diff options
Diffstat (limited to 'drivers')
819 files changed, 9189 insertions, 8015 deletions
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index 3b2525908dd8..a1a858ad4d18 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -905,8 +905,8 @@ void acpi_cppc_processor_exit(struct acpi_processor *pr) pcc_data[pcc_ss_id]->refcount--; if (!pcc_data[pcc_ss_id]->refcount) { pcc_mbox_free_channel(pcc_data[pcc_ss_id]->pcc_channel); - pcc_data[pcc_ss_id]->pcc_channel_acquired = 0; kfree(pcc_data[pcc_ss_id]); + pcc_data[pcc_ss_id] = NULL; } } } diff --git a/drivers/acpi/hmat/hmat.c b/drivers/acpi/hmat/hmat.c index 8f9a28a870b0..8b0de8a3c647 100644 --- a/drivers/acpi/hmat/hmat.c +++ b/drivers/acpi/hmat/hmat.c @@ -403,7 +403,7 @@ static int __init hmat_parse_proximity_domain(union acpi_subtable_headers *heade pr_info("HMAT: Memory Flags:%04x Processor Domain:%d Memory Domain:%d\n", p->flags, p->processor_PD, p->memory_PD); - if (p->flags & ACPI_HMAT_MEMORY_PD_VALID) { + if (p->flags & ACPI_HMAT_MEMORY_PD_VALID && hmat_revision == 1) { target = find_mem_target(p->memory_PD); if (!target) { pr_debug("HMAT: Memory Domain missing from SRAT\n"); diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 1413324982f0..14e68f202f81 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -1322,7 +1322,7 @@ static ssize_t scrub_show(struct device *dev, nfit_device_lock(dev); nd_desc = dev_get_drvdata(dev); if (!nd_desc) { - device_unlock(dev); + nfit_device_unlock(dev); return rc; } acpi_desc = to_acpi_desc(nd_desc); diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index 08da9c29f1e9..62114a03a51a 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -290,14 +290,13 @@ static int acpi_processor_notifier(struct notifier_block *nb, unsigned long event, void *data) { struct cpufreq_policy *policy = data; - int cpu = policy->cpu; if (event == CPUFREQ_CREATE_POLICY) { - acpi_thermal_cpufreq_init(cpu); - acpi_processor_ppc_init(cpu); + acpi_thermal_cpufreq_init(policy); + acpi_processor_ppc_init(policy); } else if (event == CPUFREQ_REMOVE_POLICY) { - acpi_processor_ppc_exit(cpu); - acpi_thermal_cpufreq_exit(cpu); + acpi_processor_ppc_exit(policy); + acpi_thermal_cpufreq_exit(policy); } return 0; diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index 2261713d1aec..5909e8fa4013 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -81,10 +81,10 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr) pr->performance_platform_limit = (int)ppc; if (ppc >= pr->performance->state_count || - unlikely(!dev_pm_qos_request_active(&pr->perflib_req))) + unlikely(!freq_qos_request_active(&pr->perflib_req))) return 0; - ret = dev_pm_qos_update_request(&pr->perflib_req, + ret = freq_qos_update_request(&pr->perflib_req, pr->performance->states[ppc].core_frequency * 1000); if (ret < 0) { pr_warn("Failed to update perflib freq constraint: CPU%d (%d)\n", @@ -157,26 +157,36 @@ void acpi_processor_ignore_ppc_init(void) ignore_ppc = 0; } -void acpi_processor_ppc_init(int cpu) +void acpi_processor_ppc_init(struct cpufreq_policy *policy) { - struct acpi_processor *pr = per_cpu(processors, cpu); - int ret; + unsigned int cpu; - ret = dev_pm_qos_add_request(get_cpu_device(cpu), - &pr->perflib_req, DEV_PM_QOS_MAX_FREQUENCY, - INT_MAX); - if (ret < 0) { - pr_err("Failed to add freq constraint for CPU%d (%d)\n", cpu, - ret); - return; + for_each_cpu(cpu, policy->related_cpus) { + struct acpi_processor *pr = per_cpu(processors, cpu); + int ret; + + if (!pr) + continue; + + ret = freq_qos_add_request(&policy->constraints, + &pr->perflib_req, + FREQ_QOS_MAX, INT_MAX); + if (ret < 0) + pr_err("Failed to add freq constraint for CPU%d (%d)\n", + cpu, ret); } } -void acpi_processor_ppc_exit(int cpu) +void acpi_processor_ppc_exit(struct cpufreq_policy *policy) { - struct acpi_processor *pr = per_cpu(processors, cpu); + unsigned int cpu; - dev_pm_qos_remove_request(&pr->perflib_req); + for_each_cpu(cpu, policy->related_cpus) { + struct acpi_processor *pr = per_cpu(processors, cpu); + + if (pr) + freq_qos_remove_request(&pr->perflib_req); + } } static int acpi_processor_get_performance_control(struct acpi_processor *pr) diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c index ec2638f1df4f..41feb88ee92d 100644 --- a/drivers/acpi/processor_thermal.c +++ b/drivers/acpi/processor_thermal.c @@ -105,7 +105,7 @@ static int cpufreq_set_cur_state(unsigned int cpu, int state) pr = per_cpu(processors, i); - if (unlikely(!dev_pm_qos_request_active(&pr->thermal_req))) + if (unlikely(!freq_qos_request_active(&pr->thermal_req))) continue; policy = cpufreq_cpu_get(i); @@ -116,7 +116,7 @@ static int cpufreq_set_cur_state(unsigned int cpu, int state) cpufreq_cpu_put(policy); - ret = dev_pm_qos_update_request(&pr->thermal_req, max_freq); + ret = freq_qos_update_request(&pr->thermal_req, max_freq); if (ret < 0) { pr_warn("Failed to update thermal freq constraint: CPU%d (%d)\n", pr->id, ret); @@ -125,26 +125,36 @@ static int cpufreq_set_cur_state(unsigned int cpu, int state) return 0; } -void acpi_thermal_cpufreq_init(int cpu) +void acpi_thermal_cpufreq_init(struct cpufreq_policy *policy) { - struct acpi_processor *pr = per_cpu(processors, cpu); - int ret; - - ret = dev_pm_qos_add_request(get_cpu_device(cpu), - &pr->thermal_req, DEV_PM_QOS_MAX_FREQUENCY, - INT_MAX); - if (ret < 0) { - pr_err("Failed to add freq constraint for CPU%d (%d)\n", cpu, - ret); - return; + unsigned int cpu; + + for_each_cpu(cpu, policy->related_cpus) { + struct acpi_processor *pr = per_cpu(processors, cpu); + int ret; + + if (!pr) + continue; + + ret = freq_qos_add_request(&policy->constraints, + &pr->thermal_req, + FREQ_QOS_MAX, INT_MAX); + if (ret < 0) + pr_err("Failed to add freq constraint for CPU%d (%d)\n", + cpu, ret); } } -void acpi_thermal_cpufreq_exit(int cpu) +void acpi_thermal_cpufreq_exit(struct cpufreq_policy *policy) { - struct acpi_processor *pr = per_cpu(processors, cpu); + unsigned int cpu; + + for_each_cpu(cpu, policy->related_cpus) { + struct acpi_processor *pr = per_cpu(processors, policy->cpu); - dev_pm_qos_remove_request(&pr->thermal_req); + if (pr) + freq_qos_remove_request(&pr->thermal_req); + } } #else /* ! CONFIG_CPU_FREQ */ static int cpufreq_get_max_state(unsigned int cpu) diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 9fa77d72ef27..2af937a8b1c5 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -362,19 +362,6 @@ static const struct dmi_system_id acpisleep_dmi_table[] __initconst = { }, }, /* - * https://bugzilla.kernel.org/show_bug.cgi?id=196907 - * Some Dell XPS13 9360 cannot do suspend-to-idle using the Low Power - * S0 Idle firmware interface. - */ - { - .callback = init_default_s3, - .ident = "Dell XPS13 9360", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"), - }, - }, - /* * ThinkPad X1 Tablet(2016) cannot do suspend-to-idle using * the Low Power S0 Idle firmware interface (see * https://bugzilla.kernel.org/show_bug.cgi?id=199057). diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index f39f075abff9..fe1523664816 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -409,9 +409,11 @@ static int amba_device_try_add(struct amba_device *dev, struct resource *parent) */ rstc = of_reset_control_array_get_optional_shared(dev->dev.of_node); if (IS_ERR(rstc)) { - if (PTR_ERR(rstc) != -EPROBE_DEFER) - dev_err(&dev->dev, "Can't get amba reset!\n"); - return PTR_ERR(rstc); + ret = PTR_ERR(rstc); + if (ret != -EPROBE_DEFER) + dev_err(&dev->dev, "can't get reset: %d\n", + ret); + goto err_reset; } reset_control_deassert(rstc); reset_control_put(rstc); @@ -472,6 +474,12 @@ static int amba_device_try_add(struct amba_device *dev, struct resource *parent) release_resource(&dev->res); err_out: return ret; + + err_reset: + amba_put_disable_pclk(dev); + iounmap(tmp); + dev_pm_domain_detach(&dev->dev, true); + goto err_release; } /* diff --git a/drivers/android/binder.c b/drivers/android/binder.c index c0a491277aca..265d9dd46a5e 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -57,6 +57,7 @@ #include <linux/sched/signal.h> #include <linux/sched/mm.h> #include <linux/seq_file.h> +#include <linux/string.h> #include <linux/uaccess.h> #include <linux/pid_namespace.h> #include <linux/security.h> @@ -66,6 +67,7 @@ #include <linux/task_work.h> #include <uapi/linux/android/binder.h> +#include <uapi/linux/android/binderfs.h> #include <asm/cacheflush.h> @@ -95,10 +97,6 @@ DEFINE_SHOW_ATTRIBUTE(proc); #define SZ_1K 0x400 #endif -#ifndef SZ_4M -#define SZ_4M 0x400000 -#endif - #define FORBIDDEN_MMAP_FLAGS (VM_WRITE) enum { @@ -2876,7 +2874,7 @@ static void binder_transaction(struct binder_proc *proc, e->target_handle = tr->target.handle; e->data_size = tr->data_size; e->offsets_size = tr->offsets_size; - e->context_name = proc->context->name; + strscpy(e->context_name, proc->context->name, BINDERFS_MAX_NAME); if (reply) { binder_inner_proc_lock(proc); @@ -5175,9 +5173,6 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma) if (proc->tsk != current->group_leader) return -EINVAL; - if ((vma->vm_end - vma->vm_start) > SZ_4M) - vma->vm_end = vma->vm_start + SZ_4M; - binder_debug(BINDER_DEBUG_OPEN_CLOSE, "%s: %d %lx-%lx (%ld K) vma %lx pagep %lx\n", __func__, proc->pid, vma->vm_start, vma->vm_end, diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index 6d79a1b0d446..eb76a823fbb2 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -22,6 +22,7 @@ #include <asm/cacheflush.h> #include <linux/uaccess.h> #include <linux/highmem.h> +#include <linux/sizes.h> #include "binder_alloc.h" #include "binder_trace.h" @@ -156,7 +157,7 @@ static struct binder_buffer *binder_alloc_prepare_to_free_locked( } /** - * binder_alloc_buffer_lookup() - get buffer given user ptr + * binder_alloc_prepare_to_free() - get buffer given user ptr * @alloc: binder_alloc for this proc * @user_ptr: User pointer to buffer data * @@ -689,7 +690,9 @@ int binder_alloc_mmap_handler(struct binder_alloc *alloc, alloc->buffer = (void __user *)vma->vm_start; mutex_unlock(&binder_alloc_mmap_lock); - alloc->pages = kcalloc((vma->vm_end - vma->vm_start) / PAGE_SIZE, + alloc->buffer_size = min_t(unsigned long, vma->vm_end - vma->vm_start, + SZ_4M); + alloc->pages = kcalloc(alloc->buffer_size / PAGE_SIZE, sizeof(alloc->pages[0]), GFP_KERNEL); if (alloc->pages == NULL) { @@ -697,7 +700,6 @@ int binder_alloc_mmap_handler(struct binder_alloc *alloc, failure_string = "alloc page array"; goto err_alloc_pages_failed; } - alloc->buffer_size = vma->vm_end - vma->vm_start; buffer = kzalloc(sizeof(*buffer), GFP_KERNEL); if (!buffer) { diff --git a/drivers/android/binder_internal.h b/drivers/android/binder_internal.h index bd47f7f72075..ae991097d14d 100644 --- a/drivers/android/binder_internal.h +++ b/drivers/android/binder_internal.h @@ -130,7 +130,7 @@ struct binder_transaction_log_entry { int return_error_line; uint32_t return_error; uint32_t return_error_param; - const char *context_name; + char context_name[BINDERFS_MAX_NAME + 1]; }; struct binder_transaction_log { diff --git a/drivers/ata/acard-ahci.c b/drivers/ata/acard-ahci.c index 753985c01517..46dc54d18f0b 100644 --- a/drivers/ata/acard-ahci.c +++ b/drivers/ata/acard-ahci.c @@ -56,7 +56,7 @@ struct acard_sg { __le32 size; /* bit 31 (EOT) max==0x10000 (64k) */ }; -static void acard_ahci_qc_prep(struct ata_queued_cmd *qc); +static enum ata_completion_errors acard_ahci_qc_prep(struct ata_queued_cmd *qc); static bool acard_ahci_qc_fill_rtf(struct ata_queued_cmd *qc); static int acard_ahci_port_start(struct ata_port *ap); static int acard_ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); @@ -210,7 +210,7 @@ static unsigned int acard_ahci_fill_sg(struct ata_queued_cmd *qc, void *cmd_tbl) return si; } -static void acard_ahci_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors acard_ahci_qc_prep(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct ahci_port_priv *pp = ap->private_data; @@ -248,6 +248,8 @@ static void acard_ahci_qc_prep(struct ata_queued_cmd *qc) opts |= AHCI_CMD_ATAPI | AHCI_CMD_PREFETCH; ahci_fill_cmd_slot(pp, qc->hw_tag, opts); + + return AC_ERR_OK; } static bool acard_ahci_qc_fill_rtf(struct ata_queued_cmd *qc) diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index dd92faf197d5..ec6c64fce74a 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -56,6 +56,7 @@ enum board_ids { board_ahci_yes_fbs, /* board IDs for specific chipsets in alphabetical order */ + board_ahci_al, board_ahci_avn, board_ahci_mcp65, board_ahci_mcp77, @@ -167,6 +168,13 @@ static const struct ata_port_info ahci_port_info[] = { .port_ops = &ahci_ops, }, /* by chipsets */ + [board_ahci_al] = { + AHCI_HFLAGS (AHCI_HFLAG_NO_PMP | AHCI_HFLAG_NO_MSI), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, [board_ahci_avn] = { .flags = AHCI_FLAG_COMMON, .pio_mask = ATA_PIO4, @@ -415,6 +423,11 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */ { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */ + /* Amazon's Annapurna Labs support */ + { PCI_DEVICE(PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS, 0x0031), + .class = PCI_CLASS_STORAGE_SATA_AHCI, + .class_mask = 0xffffff, + board_ahci_al }, /* AMD */ { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */ { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */ @@ -1600,7 +1613,9 @@ static void ahci_intel_pcs_quirk(struct pci_dev *pdev, struct ahci_host_priv *hp */ if (!id || id->vendor != PCI_VENDOR_ID_INTEL) return; - if (((enum board_ids) id->driver_data) < board_ahci_pcs7) + + /* Skip applying the quirk on Denverton and beyond */ + if (((enum board_ids) id->driver_data) >= board_ahci_pcs7) return; /* diff --git a/drivers/ata/ahci_tegra.c b/drivers/ata/ahci_tegra.c index e3163dae5e85..cb55ebc1725b 100644 --- a/drivers/ata/ahci_tegra.c +++ b/drivers/ata/ahci_tegra.c @@ -483,7 +483,6 @@ static int tegra_ahci_probe(struct platform_device *pdev) struct tegra_ahci_priv *tegra; struct resource *res; int ret; - unsigned int i; hpriv = ahci_platform_get_resources(pdev, 0); if (IS_ERR(hpriv)) @@ -543,8 +542,9 @@ static int tegra_ahci_probe(struct platform_device *pdev) if (!tegra->supplies) return -ENOMEM; - for (i = 0; i < tegra->soc->num_supplies; i++) - tegra->supplies[i].supply = tegra->soc->supply_names[i]; + regulator_bulk_set_supply_names(tegra->supplies, + tegra->soc->supply_names, + tegra->soc->num_supplies); ret = devm_regulator_bulk_get(&pdev->dev, tegra->soc->num_supplies, diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index e4da725381d3..3ca7720e7d8f 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -841,6 +841,12 @@ static int piix_broken_suspend(void) }, }, { + .ident = "TECRA M3", + .matches = { + DMI_MATCH(DMI_OEM_STRING, "Tecra M3,"), + }, + }, + { .ident = "TECRA M4", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), @@ -955,18 +961,10 @@ static int piix_broken_suspend(void) { } /* terminate list */ }; - static const char *oemstrs[] = { - "Tecra M3,", - }; - int i; if (dmi_check_system(sysids)) return 1; - for (i = 0; i < ARRAY_SIZE(oemstrs); i++) - if (dmi_find_device(DMI_DEV_TYPE_OEM_STRING, oemstrs[i], NULL)) - return 1; - /* TECRA M4 sometimes forgets its identify and reports bogus * DMI information. As the bogus information is a bit * generic, match as many entries as possible. This manual diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index bff369d9a1a7..ea5bf5f4cbed 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -57,7 +57,7 @@ static int ahci_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val); static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc); static int ahci_port_start(struct ata_port *ap); static void ahci_port_stop(struct ata_port *ap); -static void ahci_qc_prep(struct ata_queued_cmd *qc); +static enum ata_completion_errors ahci_qc_prep(struct ata_queued_cmd *qc); static int ahci_pmp_qc_defer(struct ata_queued_cmd *qc); static void ahci_freeze(struct ata_port *ap); static void ahci_thaw(struct ata_port *ap); @@ -1624,7 +1624,7 @@ static int ahci_pmp_qc_defer(struct ata_queued_cmd *qc) return sata_pmp_qc_defer_cmd_switch(qc); } -static void ahci_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors ahci_qc_prep(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct ahci_port_priv *pp = ap->private_data; @@ -1660,6 +1660,8 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc) opts |= AHCI_CMD_ATAPI | AHCI_CMD_PREFETCH; ahci_fill_cmd_slot(pp, qc->hw_tag, opts); + + return AC_ERR_OK; } static void ahci_fbs_dec_intr(struct ata_port *ap) diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c index e742780950de..8befce036af8 100644 --- a/drivers/ata/libahci_platform.c +++ b/drivers/ata/libahci_platform.c @@ -153,17 +153,13 @@ int ahci_platform_enable_regulators(struct ahci_host_priv *hpriv) { int rc, i; - if (hpriv->ahci_regulator) { - rc = regulator_enable(hpriv->ahci_regulator); - if (rc) - return rc; - } + rc = regulator_enable(hpriv->ahci_regulator); + if (rc) + return rc; - if (hpriv->phy_regulator) { - rc = regulator_enable(hpriv->phy_regulator); - if (rc) - goto disable_ahci_pwrs; - } + rc = regulator_enable(hpriv->phy_regulator); + if (rc) + goto disable_ahci_pwrs; for (i = 0; i < hpriv->nports; i++) { if (!hpriv->target_pwrs[i]) @@ -181,11 +177,9 @@ disable_target_pwrs: if (hpriv->target_pwrs[i]) regulator_disable(hpriv->target_pwrs[i]); - if (hpriv->phy_regulator) - regulator_disable(hpriv->phy_regulator); + regulator_disable(hpriv->phy_regulator); disable_ahci_pwrs: - if (hpriv->ahci_regulator) - regulator_disable(hpriv->ahci_regulator); + regulator_disable(hpriv->ahci_regulator); return rc; } EXPORT_SYMBOL_GPL(ahci_platform_enable_regulators); @@ -207,10 +201,8 @@ void ahci_platform_disable_regulators(struct ahci_host_priv *hpriv) regulator_disable(hpriv->target_pwrs[i]); } - if (hpriv->ahci_regulator) - regulator_disable(hpriv->ahci_regulator); - if (hpriv->phy_regulator) - regulator_disable(hpriv->phy_regulator); + regulator_disable(hpriv->ahci_regulator); + regulator_disable(hpriv->phy_regulator); } EXPORT_SYMBOL_GPL(ahci_platform_disable_regulators); /** @@ -359,7 +351,7 @@ static int ahci_platform_get_regulator(struct ahci_host_priv *hpriv, u32 port, struct regulator *target_pwr; int rc = 0; - target_pwr = regulator_get_optional(dev, "target"); + target_pwr = regulator_get(dev, "target"); if (!IS_ERR(target_pwr)) hpriv->target_pwrs[port] = target_pwr; @@ -436,16 +428,14 @@ struct ahci_host_priv *ahci_platform_get_resources(struct platform_device *pdev, hpriv->clks[i] = clk; } - hpriv->ahci_regulator = devm_regulator_get_optional(dev, "ahci"); + hpriv->ahci_regulator = devm_regulator_get(dev, "ahci"); if (IS_ERR(hpriv->ahci_regulator)) { rc = PTR_ERR(hpriv->ahci_regulator); - if (rc == -EPROBE_DEFER) + if (rc != 0) goto err_out; - rc = 0; - hpriv->ahci_regulator = NULL; } - hpriv->phy_regulator = devm_regulator_get_optional(dev, "phy"); + hpriv->phy_regulator = devm_regulator_get(dev, "phy"); if (IS_ERR(hpriv->phy_regulator)) { rc = PTR_ERR(hpriv->phy_regulator); if (rc == -EPROBE_DEFER) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 28c492be0a57..e9017c570bc5 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4980,7 +4980,10 @@ int ata_std_qc_defer(struct ata_queued_cmd *qc) return ATA_DEFER_LINK; } -void ata_noop_qc_prep(struct ata_queued_cmd *qc) { } +enum ata_completion_errors ata_noop_qc_prep(struct ata_queued_cmd *qc) +{ + return AC_ERR_OK; +} /** * ata_sg_init - Associate command with scatter-gather table. @@ -5443,7 +5446,9 @@ void ata_qc_issue(struct ata_queued_cmd *qc) return; } - ap->ops->qc_prep(qc); + qc->err_mask |= ap->ops->qc_prep(qc); + if (unlikely(qc->err_mask)) + goto err; trace_ata_qc_issue(qc); qc->err_mask |= ap->ops->qc_issue(qc); if (unlikely(qc->err_mask)) @@ -6708,6 +6713,9 @@ void ata_host_detach(struct ata_host *host) { int i; + /* Ensure ata_port probe has completed */ + async_synchronize_full(); + for (i = 0; i < host->n_ports; i++) ata_port_detach(host->ports[i]); diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 76d0f9de767b..58e09ffe8b9c 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -4791,27 +4791,6 @@ void ata_scsi_hotplug(struct work_struct *work) return; } - /* - * XXX - UGLY HACK - * - * The block layer suspend/resume path is fundamentally broken due - * to freezable kthreads and workqueue and may deadlock if a block - * device gets removed while resume is in progress. I don't know - * what the solution is short of removing freezable kthreads and - * workqueues altogether. - * - * The following is an ugly hack to avoid kicking off device - * removal while freezer is active. This is a joke but does avoid - * this particular deadlock scenario. - * - * https://bugzilla.kernel.org/show_bug.cgi?id=62801 - * http://marc.info/?l=linux-kernel&m=138695698516487 - */ -#ifdef CONFIG_FREEZER - while (pm_freezing) - msleep(10); -#endif - DPRINTK("ENTER\n"); mutex_lock(&ap->scsi_scan_mutex); diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 4ed682da52ae..038db94216a9 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -2679,12 +2679,14 @@ static void ata_bmdma_fill_sg_dumb(struct ata_queued_cmd *qc) * LOCKING: * spin_lock_irqsave(host lock) */ -void ata_bmdma_qc_prep(struct ata_queued_cmd *qc) +enum ata_completion_errors ata_bmdma_qc_prep(struct ata_queued_cmd *qc) { if (!(qc->flags & ATA_QCFLAG_DMAMAP)) - return; + return AC_ERR_OK; ata_bmdma_fill_sg(qc); + + return AC_ERR_OK; } EXPORT_SYMBOL_GPL(ata_bmdma_qc_prep); @@ -2697,12 +2699,14 @@ EXPORT_SYMBOL_GPL(ata_bmdma_qc_prep); * LOCKING: * spin_lock_irqsave(host lock) */ -void ata_bmdma_dumb_qc_prep(struct ata_queued_cmd *qc) +enum ata_completion_errors ata_bmdma_dumb_qc_prep(struct ata_queued_cmd *qc) { if (!(qc->flags & ATA_QCFLAG_DMAMAP)) - return; + return AC_ERR_OK; ata_bmdma_fill_sg_dumb(qc); + + return AC_ERR_OK; } EXPORT_SYMBOL_GPL(ata_bmdma_dumb_qc_prep); diff --git a/drivers/ata/pata_artop.c b/drivers/ata/pata_artop.c index 3aa006c5ed0c..6bd2228bb6ff 100644 --- a/drivers/ata/pata_artop.c +++ b/drivers/ata/pata_artop.c @@ -100,7 +100,7 @@ static void artop6210_load_piomode(struct ata_port *ap, struct ata_device *adev, { struct pci_dev *pdev = to_pci_dev(ap->host->dev); int dn = adev->devno + 2 * ap->port_no; - const u16 timing[2][5] = { + static const u16 timing[2][5] = { { 0x0000, 0x000A, 0x0008, 0x0303, 0x0301 }, { 0x0700, 0x070A, 0x0708, 0x0403, 0x0401 } @@ -154,7 +154,7 @@ static void artop6260_load_piomode (struct ata_port *ap, struct ata_device *adev { struct pci_dev *pdev = to_pci_dev(ap->host->dev); int dn = adev->devno + 2 * ap->port_no; - const u8 timing[2][5] = { + static const u8 timing[2][5] = { { 0x00, 0x0A, 0x08, 0x33, 0x31 }, { 0x70, 0x7A, 0x78, 0x43, 0x41 } diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c index 57f2ec71cfc3..1bfd0154dad5 100644 --- a/drivers/ata/pata_macio.c +++ b/drivers/ata/pata_macio.c @@ -510,7 +510,7 @@ static int pata_macio_cable_detect(struct ata_port *ap) return ATA_CBL_PATA40; } -static void pata_macio_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors pata_macio_qc_prep(struct ata_queued_cmd *qc) { unsigned int write = (qc->tf.flags & ATA_TFLAG_WRITE); struct ata_port *ap = qc->ap; @@ -523,7 +523,7 @@ static void pata_macio_qc_prep(struct ata_queued_cmd *qc) __func__, qc, qc->flags, write, qc->dev->devno); if (!(qc->flags & ATA_QCFLAG_DMAMAP)) - return; + return AC_ERR_OK; table = (struct dbdma_cmd *) priv->dma_table_cpu; @@ -568,6 +568,8 @@ static void pata_macio_qc_prep(struct ata_queued_cmd *qc) table->command = cpu_to_le16(DBDMA_STOP); dev_dbgdma(priv->dev, "%s: %d DMA list entries\n", __func__, pi); + + return AC_ERR_OK; } diff --git a/drivers/ata/pata_pxa.c b/drivers/ata/pata_pxa.c index 4afcb8e63e21..41430f79663c 100644 --- a/drivers/ata/pata_pxa.c +++ b/drivers/ata/pata_pxa.c @@ -44,25 +44,27 @@ static void pxa_ata_dma_irq(void *d) /* * Prepare taskfile for submission. */ -static void pxa_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors pxa_qc_prep(struct ata_queued_cmd *qc) { struct pata_pxa_data *pd = qc->ap->private_data; struct dma_async_tx_descriptor *tx; enum dma_transfer_direction dir; if (!(qc->flags & ATA_QCFLAG_DMAMAP)) - return; + return AC_ERR_OK; dir = (qc->dma_dir == DMA_TO_DEVICE ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM); tx = dmaengine_prep_slave_sg(pd->dma_chan, qc->sg, qc->n_elem, dir, DMA_PREP_INTERRUPT); if (!tx) { ata_dev_err(qc->dev, "prep_slave_sg() failed\n"); - return; + return AC_ERR_OK; } tx->callback = pxa_ata_dma_irq; tx->callback_param = pd; pd->dma_cookie = dmaengine_submit(tx); + + return AC_ERR_OK; } /* diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c index cb490531b62e..5db55e1e2a61 100644 --- a/drivers/ata/pdc_adma.c +++ b/drivers/ata/pdc_adma.c @@ -116,7 +116,7 @@ static int adma_ata_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); static int adma_port_start(struct ata_port *ap); static void adma_port_stop(struct ata_port *ap); -static void adma_qc_prep(struct ata_queued_cmd *qc); +static enum ata_completion_errors adma_qc_prep(struct ata_queued_cmd *qc); static unsigned int adma_qc_issue(struct ata_queued_cmd *qc); static int adma_check_atapi_dma(struct ata_queued_cmd *qc); static void adma_freeze(struct ata_port *ap); @@ -295,7 +295,7 @@ static int adma_fill_sg(struct ata_queued_cmd *qc) return i; } -static void adma_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors adma_qc_prep(struct ata_queued_cmd *qc) { struct adma_port_priv *pp = qc->ap->private_data; u8 *buf = pp->pkt; @@ -306,7 +306,7 @@ static void adma_qc_prep(struct ata_queued_cmd *qc) adma_enter_reg_mode(qc->ap); if (qc->tf.protocol != ATA_PROT_DMA) - return; + return AC_ERR_OK; buf[i++] = 0; /* Response flags */ buf[i++] = 0; /* reserved */ @@ -371,6 +371,7 @@ static void adma_qc_prep(struct ata_queued_cmd *qc) printk("%s\n", obuf); } #endif + return AC_ERR_OK; } static inline void adma_packet_start(struct ata_queued_cmd *qc) diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index 8e9cb198fcd1..9239615d8a04 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -502,7 +502,7 @@ static unsigned int sata_fsl_fill_sg(struct ata_queued_cmd *qc, void *cmd_desc, return num_prde; } -static void sata_fsl_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors sata_fsl_qc_prep(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct sata_fsl_port_priv *pp = ap->private_data; @@ -548,6 +548,8 @@ static void sata_fsl_qc_prep(struct ata_queued_cmd *qc) VPRINTK("SATA FSL : xx_qc_prep, di = 0x%x, ttl = %d, num_prde = %d\n", desc_info, ttl_dwords, num_prde); + + return AC_ERR_OK; } static unsigned int sata_fsl_qc_issue(struct ata_queued_cmd *qc) diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c index 7f99e23bff88..a6b76cc12a66 100644 --- a/drivers/ata/sata_inic162x.c +++ b/drivers/ata/sata_inic162x.c @@ -478,7 +478,7 @@ static void inic_fill_sg(struct inic_prd *prd, struct ata_queued_cmd *qc) prd[-1].flags |= PRD_END; } -static void inic_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors inic_qc_prep(struct ata_queued_cmd *qc) { struct inic_port_priv *pp = qc->ap->private_data; struct inic_pkt *pkt = pp->pkt; @@ -538,6 +538,8 @@ static void inic_qc_prep(struct ata_queued_cmd *qc) inic_fill_sg(prd, qc); pp->cpb_tbl[0] = pp->pkt_dma; + + return AC_ERR_OK; } static unsigned int inic_qc_issue(struct ata_queued_cmd *qc) diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index ad385a113391..277f11909fc1 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -592,8 +592,8 @@ static int mv5_scr_write(struct ata_link *link, unsigned int sc_reg_in, u32 val) static int mv_port_start(struct ata_port *ap); static void mv_port_stop(struct ata_port *ap); static int mv_qc_defer(struct ata_queued_cmd *qc); -static void mv_qc_prep(struct ata_queued_cmd *qc); -static void mv_qc_prep_iie(struct ata_queued_cmd *qc); +static enum ata_completion_errors mv_qc_prep(struct ata_queued_cmd *qc); +static enum ata_completion_errors mv_qc_prep_iie(struct ata_queued_cmd *qc); static unsigned int mv_qc_issue(struct ata_queued_cmd *qc); static int mv_hardreset(struct ata_link *link, unsigned int *class, unsigned long deadline); @@ -2031,7 +2031,7 @@ static void mv_rw_multi_errata_sata24(struct ata_queued_cmd *qc) * LOCKING: * Inherited from caller. */ -static void mv_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors mv_qc_prep(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct mv_port_priv *pp = ap->private_data; @@ -2043,15 +2043,15 @@ static void mv_qc_prep(struct ata_queued_cmd *qc) switch (tf->protocol) { case ATA_PROT_DMA: if (tf->command == ATA_CMD_DSM) - return; + return AC_ERR_OK; /* fall-thru */ case ATA_PROT_NCQ: break; /* continue below */ case ATA_PROT_PIO: mv_rw_multi_errata_sata24(qc); - return; + return AC_ERR_OK; default: - return; + return AC_ERR_OK; } /* Fill in command request block @@ -2098,12 +2098,10 @@ static void mv_qc_prep(struct ata_queued_cmd *qc) * non-NCQ mode are: [RW] STREAM DMA and W DMA FUA EXT, none * of which are defined/used by Linux. If we get here, this * driver needs work. - * - * FIXME: modify libata to give qc_prep a return value and - * return error here. */ - BUG_ON(tf->command); - break; + ata_port_err(ap, "%s: unsupported command: %.2x\n", __func__, + tf->command); + return AC_ERR_INVALID; } mv_crqb_pack_cmd(cw++, tf->nsect, ATA_REG_NSECT, 0); mv_crqb_pack_cmd(cw++, tf->hob_lbal, ATA_REG_LBAL, 0); @@ -2116,8 +2114,10 @@ static void mv_qc_prep(struct ata_queued_cmd *qc) mv_crqb_pack_cmd(cw++, tf->command, ATA_REG_CMD, 1); /* last */ if (!(qc->flags & ATA_QCFLAG_DMAMAP)) - return; + return AC_ERR_OK; mv_fill_sg(qc); + + return AC_ERR_OK; } /** @@ -2132,7 +2132,7 @@ static void mv_qc_prep(struct ata_queued_cmd *qc) * LOCKING: * Inherited from caller. */ -static void mv_qc_prep_iie(struct ata_queued_cmd *qc) +static enum ata_completion_errors mv_qc_prep_iie(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct mv_port_priv *pp = ap->private_data; @@ -2143,9 +2143,9 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc) if ((tf->protocol != ATA_PROT_DMA) && (tf->protocol != ATA_PROT_NCQ)) - return; + return AC_ERR_OK; if (tf->command == ATA_CMD_DSM) - return; /* use bmdma for this */ + return AC_ERR_OK; /* use bmdma for this */ /* Fill in Gen IIE command request block */ if (!(tf->flags & ATA_TFLAG_WRITE)) @@ -2186,8 +2186,10 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc) ); if (!(qc->flags & ATA_QCFLAG_DMAMAP)) - return; + return AC_ERR_OK; mv_fill_sg(qc); + + return AC_ERR_OK; } /** diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index 56946012d113..65ec8dff1c51 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -297,7 +297,7 @@ static void nv_ck804_freeze(struct ata_port *ap); static void nv_ck804_thaw(struct ata_port *ap); static int nv_adma_slave_config(struct scsi_device *sdev); static int nv_adma_check_atapi_dma(struct ata_queued_cmd *qc); -static void nv_adma_qc_prep(struct ata_queued_cmd *qc); +static enum ata_completion_errors nv_adma_qc_prep(struct ata_queued_cmd *qc); static unsigned int nv_adma_qc_issue(struct ata_queued_cmd *qc); static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance); static void nv_adma_irq_clear(struct ata_port *ap); @@ -319,7 +319,7 @@ static void nv_mcp55_freeze(struct ata_port *ap); static void nv_swncq_error_handler(struct ata_port *ap); static int nv_swncq_slave_config(struct scsi_device *sdev); static int nv_swncq_port_start(struct ata_port *ap); -static void nv_swncq_qc_prep(struct ata_queued_cmd *qc); +static enum ata_completion_errors nv_swncq_qc_prep(struct ata_queued_cmd *qc); static void nv_swncq_fill_sg(struct ata_queued_cmd *qc); static unsigned int nv_swncq_qc_issue(struct ata_queued_cmd *qc); static void nv_swncq_irq_clear(struct ata_port *ap, u16 fis); @@ -1344,7 +1344,7 @@ static int nv_adma_use_reg_mode(struct ata_queued_cmd *qc) return 1; } -static void nv_adma_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors nv_adma_qc_prep(struct ata_queued_cmd *qc) { struct nv_adma_port_priv *pp = qc->ap->private_data; struct nv_adma_cpb *cpb = &pp->cpb[qc->hw_tag]; @@ -1356,7 +1356,7 @@ static void nv_adma_qc_prep(struct ata_queued_cmd *qc) (qc->flags & ATA_QCFLAG_DMAMAP)); nv_adma_register_mode(qc->ap); ata_bmdma_qc_prep(qc); - return; + return AC_ERR_OK; } cpb->resp_flags = NV_CPB_RESP_DONE; @@ -1388,6 +1388,8 @@ static void nv_adma_qc_prep(struct ata_queued_cmd *qc) cpb->ctl_flags = ctl_flags; wmb(); cpb->resp_flags = 0; + + return AC_ERR_OK; } static unsigned int nv_adma_qc_issue(struct ata_queued_cmd *qc) @@ -1950,17 +1952,19 @@ static int nv_swncq_port_start(struct ata_port *ap) return 0; } -static void nv_swncq_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors nv_swncq_qc_prep(struct ata_queued_cmd *qc) { if (qc->tf.protocol != ATA_PROT_NCQ) { ata_bmdma_qc_prep(qc); - return; + return AC_ERR_OK; } if (!(qc->flags & ATA_QCFLAG_DMAMAP)) - return; + return AC_ERR_OK; nv_swncq_fill_sg(qc); + + return AC_ERR_OK; } static void nv_swncq_fill_sg(struct ata_queued_cmd *qc) diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index 5fd464765ddc..c451d7d1c817 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -139,7 +139,7 @@ static int pdc_sata_scr_write(struct ata_link *link, unsigned int sc_reg, u32 va static int pdc_ata_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); static int pdc_common_port_start(struct ata_port *ap); static int pdc_sata_port_start(struct ata_port *ap); -static void pdc_qc_prep(struct ata_queued_cmd *qc); +static enum ata_completion_errors pdc_qc_prep(struct ata_queued_cmd *qc); static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf); static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf); static int pdc_check_atapi_dma(struct ata_queued_cmd *qc); @@ -633,7 +633,7 @@ static void pdc_fill_sg(struct ata_queued_cmd *qc) prd[idx - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT); } -static void pdc_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors pdc_qc_prep(struct ata_queued_cmd *qc) { struct pdc_port_priv *pp = qc->ap->private_data; unsigned int i; @@ -665,6 +665,8 @@ static void pdc_qc_prep(struct ata_queued_cmd *qc) default: break; } + + return AC_ERR_OK; } static int pdc_is_sataii_tx4(unsigned long flags) diff --git a/drivers/ata/sata_qstor.c b/drivers/ata/sata_qstor.c index c53c5a47204d..ef00ab644afb 100644 --- a/drivers/ata/sata_qstor.c +++ b/drivers/ata/sata_qstor.c @@ -100,7 +100,7 @@ static int qs_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val); static int qs_ata_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); static int qs_port_start(struct ata_port *ap); static void qs_host_stop(struct ata_host *host); -static void qs_qc_prep(struct ata_queued_cmd *qc); +static enum ata_completion_errors qs_qc_prep(struct ata_queued_cmd *qc); static unsigned int qs_qc_issue(struct ata_queued_cmd *qc); static int qs_check_atapi_dma(struct ata_queued_cmd *qc); static void qs_freeze(struct ata_port *ap); @@ -260,7 +260,7 @@ static unsigned int qs_fill_sg(struct ata_queued_cmd *qc) return si; } -static void qs_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors qs_qc_prep(struct ata_queued_cmd *qc) { struct qs_port_priv *pp = qc->ap->private_data; u8 dflags = QS_DF_PORD, *buf = pp->pkt; @@ -272,7 +272,7 @@ static void qs_qc_prep(struct ata_queued_cmd *qc) qs_enter_reg_mode(qc->ap); if (qc->tf.protocol != ATA_PROT_DMA) - return; + return AC_ERR_OK; nelem = qs_fill_sg(qc); @@ -295,6 +295,8 @@ static void qs_qc_prep(struct ata_queued_cmd *qc) /* frame information structure (FIS) */ ata_tf_to_fis(&qc->tf, 0, 1, &buf[32]); + + return AC_ERR_OK; } static inline void qs_packet_start(struct ata_queued_cmd *qc) diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c index 3495e1733a8e..980aacdbcf3b 100644 --- a/drivers/ata/sata_rcar.c +++ b/drivers/ata/sata_rcar.c @@ -550,12 +550,14 @@ static void sata_rcar_bmdma_fill_sg(struct ata_queued_cmd *qc) prd[si - 1].addr |= cpu_to_le32(SATA_RCAR_DTEND); } -static void sata_rcar_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors sata_rcar_qc_prep(struct ata_queued_cmd *qc) { if (!(qc->flags & ATA_QCFLAG_DMAMAP)) - return; + return AC_ERR_OK; sata_rcar_bmdma_fill_sg(qc); + + return AC_ERR_OK; } static void sata_rcar_bmdma_setup(struct ata_queued_cmd *qc) diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index e6fbae2f645a..75321f1ceba5 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -103,7 +103,7 @@ static void sil_dev_config(struct ata_device *dev); static int sil_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val); static int sil_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val); static int sil_set_mode(struct ata_link *link, struct ata_device **r_failed); -static void sil_qc_prep(struct ata_queued_cmd *qc); +static enum ata_completion_errors sil_qc_prep(struct ata_queued_cmd *qc); static void sil_bmdma_setup(struct ata_queued_cmd *qc); static void sil_bmdma_start(struct ata_queued_cmd *qc); static void sil_bmdma_stop(struct ata_queued_cmd *qc); @@ -317,12 +317,14 @@ static void sil_fill_sg(struct ata_queued_cmd *qc) last_prd->flags_len |= cpu_to_le32(ATA_PRD_EOT); } -static void sil_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors sil_qc_prep(struct ata_queued_cmd *qc) { if (!(qc->flags & ATA_QCFLAG_DMAMAP)) - return; + return AC_ERR_OK; sil_fill_sg(qc); + + return AC_ERR_OK; } static unsigned char sil_get_device_cache_line(struct pci_dev *pdev) diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index 7bef82de53ca..560070d4f1d0 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -326,7 +326,7 @@ static void sil24_dev_config(struct ata_device *dev); static int sil24_scr_read(struct ata_link *link, unsigned sc_reg, u32 *val); static int sil24_scr_write(struct ata_link *link, unsigned sc_reg, u32 val); static int sil24_qc_defer(struct ata_queued_cmd *qc); -static void sil24_qc_prep(struct ata_queued_cmd *qc); +static enum ata_completion_errors sil24_qc_prep(struct ata_queued_cmd *qc); static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc); static bool sil24_qc_fill_rtf(struct ata_queued_cmd *qc); static void sil24_pmp_attach(struct ata_port *ap); @@ -830,7 +830,7 @@ static int sil24_qc_defer(struct ata_queued_cmd *qc) return ata_std_qc_defer(qc); } -static void sil24_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors sil24_qc_prep(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct sil24_port_priv *pp = ap->private_data; @@ -874,6 +874,8 @@ static void sil24_qc_prep(struct ata_queued_cmd *qc) if (qc->flags & ATA_QCFLAG_DMAMAP) sil24_fill_sg(qc, sge); + + return AC_ERR_OK; } static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc) diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c index 2277ba0c9c7f..2c7b30c5ea3d 100644 --- a/drivers/ata/sata_sx4.c +++ b/drivers/ata/sata_sx4.c @@ -202,7 +202,7 @@ static void pdc_error_handler(struct ata_port *ap); static void pdc_freeze(struct ata_port *ap); static void pdc_thaw(struct ata_port *ap); static int pdc_port_start(struct ata_port *ap); -static void pdc20621_qc_prep(struct ata_queued_cmd *qc); +static enum ata_completion_errors pdc20621_qc_prep(struct ata_queued_cmd *qc); static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf); static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf); static unsigned int pdc20621_dimm_init(struct ata_host *host); @@ -530,7 +530,7 @@ static void pdc20621_nodata_prep(struct ata_queued_cmd *qc) VPRINTK("ata pkt buf ofs %u, mmio copied\n", i); } -static void pdc20621_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors pdc20621_qc_prep(struct ata_queued_cmd *qc) { switch (qc->tf.protocol) { case ATA_PROT_DMA: @@ -542,6 +542,8 @@ static void pdc20621_qc_prep(struct ata_queued_cmd *qc) default: break; } + + return AC_ERR_OK; } static void __pdc20621_push_hdma(struct ata_queued_cmd *qc, diff --git a/drivers/base/core.c b/drivers/base/core.c index 2db62d98e395..7bd9cd366d41 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -9,6 +9,7 @@ */ #include <linux/acpi.h> +#include <linux/cpufreq.h> #include <linux/device.h> #include <linux/err.h> #include <linux/fwnode.h> @@ -3179,6 +3180,8 @@ void device_shutdown(void) wait_for_device_probe(); device_block_probing(); + cpufreq_suspend(); + spin_lock(&devices_kset->list_lock); /* * Walk the devices list backward, shutting down each in turn. diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index cc37511de866..6265871a4af2 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -554,12 +554,27 @@ ssize_t __weak cpu_show_mds(struct device *dev, return sprintf(buf, "Not affected\n"); } +ssize_t __weak cpu_show_tsx_async_abort(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "Not affected\n"); +} + +ssize_t __weak cpu_show_itlb_multihit(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "Not affected\n"); +} + static DEVICE_ATTR(meltdown, 0444, cpu_show_meltdown, NULL); static DEVICE_ATTR(spectre_v1, 0444, cpu_show_spectre_v1, NULL); static DEVICE_ATTR(spectre_v2, 0444, cpu_show_spectre_v2, NULL); static DEVICE_ATTR(spec_store_bypass, 0444, cpu_show_spec_store_bypass, NULL); static DEVICE_ATTR(l1tf, 0444, cpu_show_l1tf, NULL); static DEVICE_ATTR(mds, 0444, cpu_show_mds, NULL); +static DEVICE_ATTR(tsx_async_abort, 0444, cpu_show_tsx_async_abort, NULL); +static DEVICE_ATTR(itlb_multihit, 0444, cpu_show_itlb_multihit, NULL); static struct attribute *cpu_root_vulnerabilities_attrs[] = { &dev_attr_meltdown.attr, @@ -568,6 +583,8 @@ static struct attribute *cpu_root_vulnerabilities_attrs[] = { &dev_attr_spec_store_bypass.attr, &dev_attr_l1tf.attr, &dev_attr_mds.attr, + &dev_attr_tsx_async_abort.attr, + &dev_attr_itlb_multihit.attr, NULL }; diff --git a/drivers/base/memory.c b/drivers/base/memory.c index 6bea4f3f8040..84c4e1f72cbd 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -540,6 +540,9 @@ static ssize_t soft_offline_page_store(struct device *dev, pfn >>= PAGE_SHIFT; if (!pfn_valid(pfn)) return -ENXIO; + /* Only online pages can be soft-offlined (esp., not ZONE_DEVICE). */ + if (!pfn_to_online_page(pfn)) + return -EIO; ret = soft_offline_page(pfn_to_page(pfn), 0); return ret == 0 ? count : ret; } @@ -869,3 +872,39 @@ int walk_memory_blocks(unsigned long start, unsigned long size, } return ret; } + +struct for_each_memory_block_cb_data { + walk_memory_blocks_func_t func; + void *arg; +}; + +static int for_each_memory_block_cb(struct device *dev, void *data) +{ + struct memory_block *mem = to_memory_block(dev); + struct for_each_memory_block_cb_data *cb_data = data; + + return cb_data->func(mem, cb_data->arg); +} + +/** + * for_each_memory_block - walk through all present memory blocks + * + * @arg: argument passed to func + * @func: callback for each memory block walked + * + * This function walks through all present memory blocks, calling func on + * each memory block. + * + * In case func() returns an error, walking is aborted and the error is + * returned. + */ +int for_each_memory_block(void *arg, walk_memory_blocks_func_t func) +{ + struct for_each_memory_block_cb_data cb_data = { + .func = func, + .arg = arg, + }; + + return bus_for_each_dev(&memory_subsys, NULL, &cb_data, + for_each_memory_block_cb); +} diff --git a/drivers/base/platform.c b/drivers/base/platform.c index b6c6c7d97d5b..b230beb6ccb4 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -241,12 +241,8 @@ struct resource *platform_get_resource_byname(struct platform_device *dev, } EXPORT_SYMBOL_GPL(platform_get_resource_byname); -/** - * platform_get_irq_byname - get an IRQ for a device by name - * @dev: platform device - * @name: IRQ name - */ -int platform_get_irq_byname(struct platform_device *dev, const char *name) +static int __platform_get_irq_byname(struct platform_device *dev, + const char *name) { struct resource *r; @@ -262,12 +258,48 @@ int platform_get_irq_byname(struct platform_device *dev, const char *name) if (r) return r->start; - dev_err(&dev->dev, "IRQ %s not found\n", name); return -ENXIO; } + +/** + * platform_get_irq_byname - get an IRQ for a device by name + * @dev: platform device + * @name: IRQ name + * + * Get an IRQ like platform_get_irq(), but then by name rather then by index. + * + * Return: IRQ number on success, negative error number on failure. + */ +int platform_get_irq_byname(struct platform_device *dev, const char *name) +{ + int ret; + + ret = __platform_get_irq_byname(dev, name); + if (ret < 0 && ret != -EPROBE_DEFER) + dev_err(&dev->dev, "IRQ %s not found\n", name); + + return ret; +} EXPORT_SYMBOL_GPL(platform_get_irq_byname); /** + * platform_get_irq_byname_optional - get an optional IRQ for a device by name + * @dev: platform device + * @name: IRQ name + * + * Get an optional IRQ by name like platform_get_irq_byname(). Except that it + * does not print an error message if an IRQ can not be obtained. + * + * Return: IRQ number on success, negative error number on failure. + */ +int platform_get_irq_byname_optional(struct platform_device *dev, + const char *name) +{ + return __platform_get_irq_byname(dev, name); +} +EXPORT_SYMBOL_GPL(platform_get_irq_byname_optional); + +/** * platform_add_devices - add a numbers of platform devices * @devs: array of platform devices to add * @num: number of platform devices in array diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c index 6c90fd7e2ff8..350dcafd751f 100644 --- a/drivers/base/power/qos.c +++ b/drivers/base/power/qos.c @@ -115,20 +115,10 @@ s32 dev_pm_qos_read_value(struct device *dev, enum dev_pm_qos_req_type type) spin_lock_irqsave(&dev->power.lock, flags); - switch (type) { - case DEV_PM_QOS_RESUME_LATENCY: + if (type == DEV_PM_QOS_RESUME_LATENCY) { ret = IS_ERR_OR_NULL(qos) ? PM_QOS_RESUME_LATENCY_NO_CONSTRAINT : pm_qos_read_value(&qos->resume_latency); - break; - case DEV_PM_QOS_MIN_FREQUENCY: - ret = IS_ERR_OR_NULL(qos) ? PM_QOS_MIN_FREQUENCY_DEFAULT_VALUE - : pm_qos_read_value(&qos->min_frequency); - break; - case DEV_PM_QOS_MAX_FREQUENCY: - ret = IS_ERR_OR_NULL(qos) ? PM_QOS_MAX_FREQUENCY_DEFAULT_VALUE - : pm_qos_read_value(&qos->max_frequency); - break; - default: + } else { WARN_ON(1); ret = 0; } @@ -169,14 +159,6 @@ static int apply_constraint(struct dev_pm_qos_request *req, req->dev->power.set_latency_tolerance(req->dev, value); } break; - case DEV_PM_QOS_MIN_FREQUENCY: - ret = pm_qos_update_target(&qos->min_frequency, - &req->data.pnode, action, value); - break; - case DEV_PM_QOS_MAX_FREQUENCY: - ret = pm_qos_update_target(&qos->max_frequency, - &req->data.pnode, action, value); - break; case DEV_PM_QOS_FLAGS: ret = pm_qos_update_flags(&qos->flags, &req->data.flr, action, value); @@ -227,24 +209,6 @@ static int dev_pm_qos_constraints_allocate(struct device *dev) c->no_constraint_value = PM_QOS_LATENCY_TOLERANCE_NO_CONSTRAINT; c->type = PM_QOS_MIN; - c = &qos->min_frequency; - plist_head_init(&c->list); - c->target_value = PM_QOS_MIN_FREQUENCY_DEFAULT_VALUE; - c->default_value = PM_QOS_MIN_FREQUENCY_DEFAULT_VALUE; - c->no_constraint_value = PM_QOS_MIN_FREQUENCY_DEFAULT_VALUE; - c->type = PM_QOS_MAX; - c->notifiers = ++n; - BLOCKING_INIT_NOTIFIER_HEAD(n); - - c = &qos->max_frequency; - plist_head_init(&c->list); - c->target_value = PM_QOS_MAX_FREQUENCY_DEFAULT_VALUE; - c->default_value = PM_QOS_MAX_FREQUENCY_DEFAULT_VALUE; - c->no_constraint_value = PM_QOS_MAX_FREQUENCY_DEFAULT_VALUE; - c->type = PM_QOS_MIN; - c->notifiers = ++n; - BLOCKING_INIT_NOTIFIER_HEAD(n); - INIT_LIST_HEAD(&qos->flags.list); spin_lock_irq(&dev->power.lock); @@ -305,18 +269,6 @@ void dev_pm_qos_constraints_destroy(struct device *dev) memset(req, 0, sizeof(*req)); } - c = &qos->min_frequency; - plist_for_each_entry_safe(req, tmp, &c->list, data.pnode) { - apply_constraint(req, PM_QOS_REMOVE_REQ, PM_QOS_MIN_FREQUENCY_DEFAULT_VALUE); - memset(req, 0, sizeof(*req)); - } - - c = &qos->max_frequency; - plist_for_each_entry_safe(req, tmp, &c->list, data.pnode) { - apply_constraint(req, PM_QOS_REMOVE_REQ, PM_QOS_MAX_FREQUENCY_DEFAULT_VALUE); - memset(req, 0, sizeof(*req)); - } - f = &qos->flags; list_for_each_entry_safe(req, tmp, &f->list, data.flr.node) { apply_constraint(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE); @@ -428,8 +380,6 @@ static int __dev_pm_qos_update_request(struct dev_pm_qos_request *req, switch(req->type) { case DEV_PM_QOS_RESUME_LATENCY: case DEV_PM_QOS_LATENCY_TOLERANCE: - case DEV_PM_QOS_MIN_FREQUENCY: - case DEV_PM_QOS_MAX_FREQUENCY: curr_value = req->data.pnode.prio; break; case DEV_PM_QOS_FLAGS: @@ -557,14 +507,6 @@ int dev_pm_qos_add_notifier(struct device *dev, struct notifier_block *notifier, ret = blocking_notifier_chain_register(dev->power.qos->resume_latency.notifiers, notifier); break; - case DEV_PM_QOS_MIN_FREQUENCY: - ret = blocking_notifier_chain_register(dev->power.qos->min_frequency.notifiers, - notifier); - break; - case DEV_PM_QOS_MAX_FREQUENCY: - ret = blocking_notifier_chain_register(dev->power.qos->max_frequency.notifiers, - notifier); - break; default: WARN_ON(1); ret = -EINVAL; @@ -604,14 +546,6 @@ int dev_pm_qos_remove_notifier(struct device *dev, ret = blocking_notifier_chain_unregister(dev->power.qos->resume_latency.notifiers, notifier); break; - case DEV_PM_QOS_MIN_FREQUENCY: - ret = blocking_notifier_chain_unregister(dev->power.qos->min_frequency.notifiers, - notifier); - break; - case DEV_PM_QOS_MAX_FREQUENCY: - ret = blocking_notifier_chain_unregister(dev->power.qos->max_frequency.notifiers, - notifier); - break; default: WARN_ON(1); ret = -EINVAL; diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 5b248763a672..a18155cdce41 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -786,7 +786,6 @@ int __drbd_send_protocol(struct drbd_connection *connection, enum drbd_packet cm if (nc->tentative && connection->agreed_pro_version < 92) { rcu_read_unlock(); - mutex_unlock(&sock->mutex); drbd_err(connection, "--dry-run is not supported by peer"); return -EOPNOTSUPP; } diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index f471142d264d..57532465fb83 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -248,8 +248,8 @@ static void nbd_put(struct nbd_device *nbd) if (refcount_dec_and_mutex_lock(&nbd->refs, &nbd_index_mutex)) { idr_remove(&nbd_index_idr, nbd->index); - mutex_unlock(&nbd_index_mutex); nbd_dev_remove(nbd); + mutex_unlock(&nbd_index_mutex); } } @@ -385,17 +385,16 @@ static enum blk_eh_timer_return nbd_xmit_timeout(struct request *req, struct nbd_device *nbd = cmd->nbd; struct nbd_config *config; + if (!mutex_trylock(&cmd->lock)) + return BLK_EH_RESET_TIMER; + if (!refcount_inc_not_zero(&nbd->config_refs)) { cmd->status = BLK_STS_TIMEOUT; + mutex_unlock(&cmd->lock); goto done; } config = nbd->config; - if (!mutex_trylock(&cmd->lock)) { - nbd_config_put(nbd); - return BLK_EH_RESET_TIMER; - } - if (config->num_connections > 1) { dev_err_ratelimited(nbd_to_dev(nbd), "Connection timed out, retrying (%d/%d alive)\n", @@ -711,6 +710,12 @@ static struct nbd_cmd *nbd_read_stat(struct nbd_device *nbd, int index) ret = -ENOENT; goto out; } + if (cmd->status != BLK_STS_OK) { + dev_err(disk_to_dev(nbd->disk), "Command already handled %p\n", + req); + ret = -ENOENT; + goto out; + } if (test_bit(NBD_CMD_REQUEUED, &cmd->flags)) { dev_err(disk_to_dev(nbd->disk), "Raced with timeout on req %p\n", req); @@ -792,7 +797,10 @@ static bool nbd_clear_req(struct request *req, void *data, bool reserved) { struct nbd_cmd *cmd = blk_mq_rq_to_pdu(req); + mutex_lock(&cmd->lock); cmd->status = BLK_STS_IOERR; + mutex_unlock(&cmd->lock); + blk_mq_complete_request(req); return true; } @@ -972,6 +980,26 @@ static blk_status_t nbd_queue_rq(struct blk_mq_hw_ctx *hctx, return ret; } +static struct socket *nbd_get_socket(struct nbd_device *nbd, unsigned long fd, + int *err) +{ + struct socket *sock; + + *err = 0; + sock = sockfd_lookup(fd, err); + if (!sock) + return NULL; + + if (sock->ops->shutdown == sock_no_shutdown) { + dev_err(disk_to_dev(nbd->disk), "Unsupported socket: shutdown callout must be supported.\n"); + *err = -EINVAL; + sockfd_put(sock); + return NULL; + } + + return sock; +} + static int nbd_add_socket(struct nbd_device *nbd, unsigned long arg, bool netlink) { @@ -981,7 +1009,7 @@ static int nbd_add_socket(struct nbd_device *nbd, unsigned long arg, struct nbd_sock *nsock; int err; - sock = sockfd_lookup(arg, &err); + sock = nbd_get_socket(nbd, arg, &err); if (!sock) return err; @@ -1034,7 +1062,7 @@ static int nbd_reconnect_socket(struct nbd_device *nbd, unsigned long arg) int i; int err; - sock = sockfd_lookup(arg, &err); + sock = nbd_get_socket(nbd, arg, &err); if (!sock) return err; diff --git a/drivers/block/null_blk_zoned.c b/drivers/block/null_blk_zoned.c index be7646205b8c..02f41a3bc4cb 100644 --- a/drivers/block/null_blk_zoned.c +++ b/drivers/block/null_blk_zoned.c @@ -183,8 +183,7 @@ static blk_status_t null_zone_mgmt(struct nullb_cmd *cmd, enum req_opf op, zone->wp = zone->start + zone->len; break; default: - cmd->error = BLK_STS_NOTSUPP; - break; + return BLK_STS_NOTSUPP; } return BLK_STS_OK; } diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 7c4350c0fb77..13527a0b4e44 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -2087,7 +2087,7 @@ static int rbd_object_map_update_finish(struct rbd_obj_request *obj_req, struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev; struct ceph_osd_data *osd_data; u64 objno; - u8 state, new_state, current_state; + u8 state, new_state, uninitialized_var(current_state); bool has_current_state; void *p; @@ -6639,10 +6639,13 @@ static int rbd_add_acquire_lock(struct rbd_device *rbd_dev) queue_delayed_work(rbd_dev->task_wq, &rbd_dev->lock_dwork, 0); ret = wait_for_completion_killable_timeout(&rbd_dev->acquire_wait, ceph_timeout_jiffies(rbd_dev->opts->lock_timeout)); - if (ret > 0) + if (ret > 0) { ret = rbd_dev->acquire_err; - else if (!ret) - ret = -ETIMEDOUT; + } else { + cancel_delayed_work_sync(&rbd_dev->lock_dwork); + if (!ret) + ret = -ETIMEDOUT; + } if (ret) { rbd_warn(rbd_dev, "failed to acquire exclusive lock: %ld", ret); diff --git a/drivers/block/rsxx/core.c b/drivers/block/rsxx/core.c index 76b73ddf8fd7..10f6368117d8 100644 --- a/drivers/block/rsxx/core.c +++ b/drivers/block/rsxx/core.c @@ -1000,8 +1000,10 @@ static void rsxx_pci_remove(struct pci_dev *dev) cancel_work_sync(&card->event_work); + destroy_workqueue(card->event_wq); rsxx_destroy_dev(card); rsxx_dma_destroy(card); + destroy_workqueue(card->creg_ctrl.creg_wq); spin_lock_irqsave(&card->irq_lock, flags); rsxx_disable_ier_and_isr(card, CR_INTR_ALL); diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index d58a359a6622..4285e75e52c3 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -413,13 +413,14 @@ static void reset_bdev(struct zram *zram) static ssize_t backing_dev_show(struct device *dev, struct device_attribute *attr, char *buf) { + struct file *file; struct zram *zram = dev_to_zram(dev); - struct file *file = zram->backing_dev; char *p; ssize_t ret; down_read(&zram->init_lock); - if (!zram->backing_dev) { + file = zram->backing_dev; + if (!file) { memcpy(buf, "none\n", 5); up_read(&zram->init_lock); return 5; diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index ad50efb470aa..2b6670daf7fc 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -74,6 +74,7 @@ static const char * const clock_names[SYSC_MAX_CLOCKS] = { * @clk_disable_quirk: module specific clock disable quirk * @reset_done_quirk: module specific reset done quirk * @module_enable_quirk: module specific enable quirk + * @module_disable_quirk: module specific disable quirk */ struct sysc { struct device *dev; @@ -100,6 +101,7 @@ struct sysc { void (*clk_disable_quirk)(struct sysc *sysc); void (*reset_done_quirk)(struct sysc *sysc); void (*module_enable_quirk)(struct sysc *sysc); + void (*module_disable_quirk)(struct sysc *sysc); }; static void sysc_parse_dts_quirks(struct sysc *ddata, struct device_node *np, @@ -959,6 +961,9 @@ static int sysc_disable_module(struct device *dev) if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) return 0; + if (ddata->module_disable_quirk) + ddata->module_disable_quirk(ddata); + regbits = ddata->cap->regbits; reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); @@ -1248,6 +1253,9 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = { SYSC_MODULE_QUIRK_SGX), SYSC_QUIRK("wdt", 0, 0, 0x10, 0x14, 0x502a0500, 0xfffff0f0, SYSC_MODULE_QUIRK_WDT), + /* Watchdog on am3 and am4 */ + SYSC_QUIRK("wdt", 0x44e35000, 0, 0x10, 0x14, 0x502a0500, 0xfffff0f0, + SYSC_MODULE_QUIRK_WDT | SYSC_QUIRK_SWSUP_SIDLE), #ifdef DEBUG SYSC_QUIRK("adc", 0, 0, 0x10, -1, 0x47300001, 0xffffffff, 0), @@ -1440,14 +1448,14 @@ static void sysc_reset_done_quirk_wdt(struct sysc *ddata) !(val & 0x10), 100, MAX_MODULE_SOFTRESET_WAIT); if (error) - dev_warn(ddata->dev, "wdt disable spr failed\n"); + dev_warn(ddata->dev, "wdt disable step1 failed\n"); - sysc_write(ddata, wps, 0x5555); + sysc_write(ddata, spr, 0x5555); error = readl_poll_timeout(ddata->module_va + wps, val, !(val & 0x10), 100, MAX_MODULE_SOFTRESET_WAIT); if (error) - dev_warn(ddata->dev, "wdt disable wps failed\n"); + dev_warn(ddata->dev, "wdt disable step2 failed\n"); } static void sysc_init_module_quirks(struct sysc *ddata) @@ -1471,8 +1479,10 @@ static void sysc_init_module_quirks(struct sysc *ddata) if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_SGX) ddata->module_enable_quirk = sysc_module_enable_quirk_sgx; - if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_WDT) + if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_WDT) { ddata->reset_done_quirk = sysc_reset_done_quirk_wdt; + ddata->module_disable_quirk = sysc_reset_done_quirk_wdt; + } } static int sysc_clockdomain_init(struct sysc *ddata) diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index 80b850ef1bf6..8d53b8ef545c 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -13,7 +13,6 @@ #include <linux/delay.h> #include <linux/device.h> #include <linux/err.h> -#include <linux/freezer.h> #include <linux/fs.h> #include <linux/hw_random.h> #include <linux/kernel.h> @@ -422,9 +421,7 @@ static int hwrng_fillfn(void *unused) { long rc; - set_freezable(); - - while (!kthread_freezable_should_stop(NULL)) { + while (!kthread_should_stop()) { struct hwrng *rng; rng = get_current_rng(); diff --git a/drivers/char/random.c b/drivers/char/random.c index de434feb873a..01b8868b9bed 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -327,7 +327,6 @@ #include <linux/percpu.h> #include <linux/cryptohash.h> #include <linux/fips.h> -#include <linux/freezer.h> #include <linux/ptrace.h> #include <linux/workqueue.h> #include <linux/irq.h> @@ -2500,8 +2499,7 @@ void add_hwgenerator_randomness(const char *buffer, size_t count, * We'll be woken up again once below random_write_wakeup_thresh, * or when the calling thread is about to terminate. */ - wait_event_freezable(random_write_wait, - kthread_should_stop() || + wait_event_interruptible(random_write_wait, kthread_should_stop() || ENTROPY_BITS(&input_pool) <= random_write_wakeup_bits); mix_pool_bytes(poolp, buffer, count); credit_entropy_bits(poolp, entropy); diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig index 9c37047f4b56..aacdeed93320 100644 --- a/drivers/char/tpm/Kconfig +++ b/drivers/char/tpm/Kconfig @@ -67,6 +67,13 @@ config TCG_TIS_SPI within Linux. To compile this driver as a module, choose M here; the module will be called tpm_tis_spi. +config TCG_TIS_SPI_CR50 + bool "Cr50 SPI Interface" + depends on TCG_TIS_SPI + help + If you have a H1 secure module running Cr50 firmware on SPI bus, + say Yes and it will be accessible from within Linux. + config TCG_TIS_I2C_ATMEL tristate "TPM Interface Specification 1.2 Interface (I2C - Atmel)" depends on I2C diff --git a/drivers/char/tpm/Makefile b/drivers/char/tpm/Makefile index c354cdff9c62..5a0d99d4fec0 100644 --- a/drivers/char/tpm/Makefile +++ b/drivers/char/tpm/Makefile @@ -21,7 +21,9 @@ tpm-$(CONFIG_EFI) += eventlog/efi.o tpm-$(CONFIG_OF) += eventlog/of.o obj-$(CONFIG_TCG_TIS_CORE) += tpm_tis_core.o obj-$(CONFIG_TCG_TIS) += tpm_tis.o -obj-$(CONFIG_TCG_TIS_SPI) += tpm_tis_spi.o +obj-$(CONFIG_TCG_TIS_SPI) += tpm_tis_spi_mod.o +tpm_tis_spi_mod-y := tpm_tis_spi.o +tpm_tis_spi_mod-$(CONFIG_TCG_TIS_SPI_CR50) += tpm_tis_spi_cr50.o obj-$(CONFIG_TCG_TIS_I2C_ATMEL) += tpm_i2c_atmel.o obj-$(CONFIG_TCG_TIS_I2C_INFINEON) += tpm_i2c_infineon.o obj-$(CONFIG_TCG_TIS_I2C_NUVOTON) += tpm_i2c_nuvoton.o diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index d7a3888ad80f..a438b1206fcb 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -23,6 +23,7 @@ #include <linux/slab.h> #include <linux/mutex.h> #include <linux/spinlock.h> +#include <linux/suspend.h> #include <linux/freezer.h> #include <linux/tpm_eventlog.h> @@ -394,7 +395,11 @@ int tpm_pm_suspend(struct device *dev) return -ENODEV; if (chip->flags & TPM_CHIP_FLAG_ALWAYS_POWERED) - return 0; + goto suspended; + + if ((chip->flags & TPM_CHIP_FLAG_FIRMWARE_POWER_MANAGED) && + !pm_suspend_via_firmware()) + goto suspended; if (!tpm_chip_start(chip)) { if (chip->flags & TPM_CHIP_FLAG_TPM2) @@ -405,6 +410,7 @@ int tpm_pm_suspend(struct device *dev) tpm_chip_stop(chip); } +suspended: return rc; } EXPORT_SYMBOL_GPL(tpm_pm_suspend); @@ -453,62 +459,6 @@ int tpm_get_random(struct tpm_chip *chip, u8 *out, size_t max) } EXPORT_SYMBOL_GPL(tpm_get_random); -/** - * tpm_seal_trusted() - seal a trusted key payload - * @chip: a &struct tpm_chip instance, %NULL for the default chip - * @options: authentication values and other options - * @payload: the key data in clear and encrypted form - * - * Note: only TPM 2.0 chip are supported. TPM 1.x implementation is located in - * the keyring subsystem. - * - * Return: same as with tpm_transmit_cmd() - */ -int tpm_seal_trusted(struct tpm_chip *chip, struct trusted_key_payload *payload, - struct trusted_key_options *options) -{ - int rc; - - chip = tpm_find_get_ops(chip); - if (!chip || !(chip->flags & TPM_CHIP_FLAG_TPM2)) - return -ENODEV; - - rc = tpm2_seal_trusted(chip, payload, options); - - tpm_put_ops(chip); - return rc; -} -EXPORT_SYMBOL_GPL(tpm_seal_trusted); - -/** - * tpm_unseal_trusted() - unseal a trusted key - * @chip: a &struct tpm_chip instance, %NULL for the default chip - * @options: authentication values and other options - * @payload: the key data in clear and encrypted form - * - * Note: only TPM 2.0 chip are supported. TPM 1.x implementation is located in - * the keyring subsystem. - * - * Return: same as with tpm_transmit_cmd() - */ -int tpm_unseal_trusted(struct tpm_chip *chip, - struct trusted_key_payload *payload, - struct trusted_key_options *options) -{ - int rc; - - chip = tpm_find_get_ops(chip); - if (!chip || !(chip->flags & TPM_CHIP_FLAG_TPM2)) - return -ENODEV; - - rc = tpm2_unseal_trusted(chip, payload, options); - - tpm_put_ops(chip); - - return rc; -} -EXPORT_SYMBOL_GPL(tpm_unseal_trusted); - static int __init tpm_init(void) { int rc; diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c index edfa89160010..3b53b3e5ec3e 100644 --- a/drivers/char/tpm/tpm-sysfs.c +++ b/drivers/char/tpm/tpm-sysfs.c @@ -217,6 +217,7 @@ static ssize_t caps_show(struct device *dev, struct device_attribute *attr, char *buf) { struct tpm_chip *chip = to_tpm_chip(dev); + struct tpm1_version *version; ssize_t rc = 0; char *str = buf; cap_t cap; @@ -232,31 +233,31 @@ static ssize_t caps_show(struct device *dev, struct device_attribute *attr, str += sprintf(str, "Manufacturer: 0x%x\n", be32_to_cpu(cap.manufacturer_id)); - /* Try to get a TPM version 1.2 TPM_CAP_VERSION_INFO */ - rc = tpm1_getcap(chip, TPM_CAP_VERSION_1_2, &cap, + /* TPM 1.2 */ + if (!tpm1_getcap(chip, TPM_CAP_VERSION_1_2, &cap, "attempting to determine the 1.2 version", - sizeof(cap.tpm_version_1_2)); - if (!rc) { - str += sprintf(str, - "TCG version: %d.%d\nFirmware version: %d.%d\n", - cap.tpm_version_1_2.Major, - cap.tpm_version_1_2.Minor, - cap.tpm_version_1_2.revMajor, - cap.tpm_version_1_2.revMinor); - } else { - /* Otherwise just use TPM_STRUCT_VER */ - if (tpm1_getcap(chip, TPM_CAP_VERSION_1_1, &cap, - "attempting to determine the 1.1 version", - sizeof(cap.tpm_version))) - goto out_ops; - str += sprintf(str, - "TCG version: %d.%d\nFirmware version: %d.%d\n", - cap.tpm_version.Major, - cap.tpm_version.Minor, - cap.tpm_version.revMajor, - cap.tpm_version.revMinor); + sizeof(cap.version2))) { + version = &cap.version2.version; + goto out_print; } + + /* TPM 1.1 */ + if (tpm1_getcap(chip, TPM_CAP_VERSION_1_1, &cap, + "attempting to determine the 1.1 version", + sizeof(cap.version1))) { + goto out_ops; + } + + version = &cap.version1; + +out_print: + str += sprintf(str, + "TCG version: %d.%d\nFirmware version: %d.%d\n", + version->major, version->minor, + version->rev_major, version->rev_minor); + rc = str - buf; + out_ops: tpm_put_ops(chip); return rc; diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index a7fea3e0ca86..b9e1547be6b5 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -25,7 +25,6 @@ #include <linux/platform_device.h> #include <linux/io.h> #include <linux/tpm.h> -#include <linux/highmem.h> #include <linux/tpm_eventlog.h> #ifdef CONFIG_X86 @@ -58,123 +57,6 @@ enum tpm_addr { #define TPM_ERR_DISABLED 0x7 #define TPM_ERR_INVALID_POSTINIT 38 -#define TPM_HEADER_SIZE 10 - -enum tpm2_const { - TPM2_PLATFORM_PCR = 24, - TPM2_PCR_SELECT_MIN = ((TPM2_PLATFORM_PCR + 7) / 8), -}; - -enum tpm2_timeouts { - TPM2_TIMEOUT_A = 750, - TPM2_TIMEOUT_B = 2000, - TPM2_TIMEOUT_C = 200, - TPM2_TIMEOUT_D = 30, - TPM2_DURATION_SHORT = 20, - TPM2_DURATION_MEDIUM = 750, - TPM2_DURATION_LONG = 2000, - TPM2_DURATION_LONG_LONG = 300000, - TPM2_DURATION_DEFAULT = 120000, -}; - -enum tpm2_structures { - TPM2_ST_NO_SESSIONS = 0x8001, - TPM2_ST_SESSIONS = 0x8002, -}; - -/* Indicates from what layer of the software stack the error comes from */ -#define TSS2_RC_LAYER_SHIFT 16 -#define TSS2_RESMGR_TPM_RC_LAYER (11 << TSS2_RC_LAYER_SHIFT) - -enum tpm2_return_codes { - TPM2_RC_SUCCESS = 0x0000, - TPM2_RC_HASH = 0x0083, /* RC_FMT1 */ - TPM2_RC_HANDLE = 0x008B, - TPM2_RC_INITIALIZE = 0x0100, /* RC_VER1 */ - TPM2_RC_FAILURE = 0x0101, - TPM2_RC_DISABLED = 0x0120, - TPM2_RC_COMMAND_CODE = 0x0143, - TPM2_RC_TESTING = 0x090A, /* RC_WARN */ - TPM2_RC_REFERENCE_H0 = 0x0910, - TPM2_RC_RETRY = 0x0922, -}; - -enum tpm2_command_codes { - TPM2_CC_FIRST = 0x011F, - TPM2_CC_HIERARCHY_CONTROL = 0x0121, - TPM2_CC_HIERARCHY_CHANGE_AUTH = 0x0129, - TPM2_CC_CREATE_PRIMARY = 0x0131, - TPM2_CC_SEQUENCE_COMPLETE = 0x013E, - TPM2_CC_SELF_TEST = 0x0143, - TPM2_CC_STARTUP = 0x0144, - TPM2_CC_SHUTDOWN = 0x0145, - TPM2_CC_NV_READ = 0x014E, - TPM2_CC_CREATE = 0x0153, - TPM2_CC_LOAD = 0x0157, - TPM2_CC_SEQUENCE_UPDATE = 0x015C, - TPM2_CC_UNSEAL = 0x015E, - TPM2_CC_CONTEXT_LOAD = 0x0161, - TPM2_CC_CONTEXT_SAVE = 0x0162, - TPM2_CC_FLUSH_CONTEXT = 0x0165, - TPM2_CC_VERIFY_SIGNATURE = 0x0177, - TPM2_CC_GET_CAPABILITY = 0x017A, - TPM2_CC_GET_RANDOM = 0x017B, - TPM2_CC_PCR_READ = 0x017E, - TPM2_CC_PCR_EXTEND = 0x0182, - TPM2_CC_EVENT_SEQUENCE_COMPLETE = 0x0185, - TPM2_CC_HASH_SEQUENCE_START = 0x0186, - TPM2_CC_CREATE_LOADED = 0x0191, - TPM2_CC_LAST = 0x0193, /* Spec 1.36 */ -}; - -enum tpm2_permanent_handles { - TPM2_RS_PW = 0x40000009, -}; - -enum tpm2_capabilities { - TPM2_CAP_HANDLES = 1, - TPM2_CAP_COMMANDS = 2, - TPM2_CAP_PCRS = 5, - TPM2_CAP_TPM_PROPERTIES = 6, -}; - -enum tpm2_properties { - TPM_PT_TOTAL_COMMANDS = 0x0129, -}; - -enum tpm2_startup_types { - TPM2_SU_CLEAR = 0x0000, - TPM2_SU_STATE = 0x0001, -}; - -enum tpm2_cc_attrs { - TPM2_CC_ATTR_CHANDLES = 25, - TPM2_CC_ATTR_RHANDLE = 28, -}; - -#define TPM_VID_INTEL 0x8086 -#define TPM_VID_WINBOND 0x1050 -#define TPM_VID_STM 0x104A - -enum tpm_chip_flags { - TPM_CHIP_FLAG_TPM2 = BIT(1), - TPM_CHIP_FLAG_IRQ = BIT(2), - TPM_CHIP_FLAG_VIRTUAL = BIT(3), - TPM_CHIP_FLAG_HAVE_TIMEOUTS = BIT(4), - TPM_CHIP_FLAG_ALWAYS_POWERED = BIT(5), -}; - -#define to_tpm_chip(d) container_of(d, struct tpm_chip, dev) - -struct tpm_header { - __be16 tag; - __be32 length; - union { - __be32 ordinal; - __be32 return_code; - }; -} __packed; - #define TPM_TAG_RQU_COMMAND 193 struct stclear_flags_t { @@ -186,19 +68,16 @@ struct stclear_flags_t { u8 bGlobalLock; } __packed; -struct tpm_version_t { - u8 Major; - u8 Minor; - u8 revMajor; - u8 revMinor; +struct tpm1_version { + u8 major; + u8 minor; + u8 rev_major; + u8 rev_minor; } __packed; -struct tpm_version_1_2_t { - __be16 tag; - u8 Major; - u8 Minor; - u8 revMajor; - u8 revMinor; +struct tpm1_version2 { + __be16 tag; + struct tpm1_version version; } __packed; struct timeout_t { @@ -243,8 +122,8 @@ typedef union { struct stclear_flags_t stclear_flags; __u8 owned; __be32 num_pcrs; - struct tpm_version_t tpm_version; - struct tpm_version_1_2_t tpm_version_1_2; + struct tpm1_version version1; + struct tpm1_version2 version2; __be32 manufacturer_id; struct timeout_t timeout; struct duration_t duration; @@ -274,102 +153,6 @@ enum tpm_sub_capabilities { * compiler warnings about stack frame size. */ #define TPM_MAX_RNG_DATA 128 -/* A string buffer type for constructing TPM commands. This is based on the - * ideas of string buffer code in security/keys/trusted.h but is heap based - * in order to keep the stack usage minimal. - */ - -enum tpm_buf_flags { - TPM_BUF_OVERFLOW = BIT(0), -}; - -struct tpm_buf { - struct page *data_page; - unsigned int flags; - u8 *data; -}; - -static inline void tpm_buf_reset(struct tpm_buf *buf, u16 tag, u32 ordinal) -{ - struct tpm_header *head = (struct tpm_header *)buf->data; - - head->tag = cpu_to_be16(tag); - head->length = cpu_to_be32(sizeof(*head)); - head->ordinal = cpu_to_be32(ordinal); -} - -static inline int tpm_buf_init(struct tpm_buf *buf, u16 tag, u32 ordinal) -{ - buf->data_page = alloc_page(GFP_HIGHUSER); - if (!buf->data_page) - return -ENOMEM; - - buf->flags = 0; - buf->data = kmap(buf->data_page); - tpm_buf_reset(buf, tag, ordinal); - return 0; -} - -static inline void tpm_buf_destroy(struct tpm_buf *buf) -{ - kunmap(buf->data_page); - __free_page(buf->data_page); -} - -static inline u32 tpm_buf_length(struct tpm_buf *buf) -{ - struct tpm_header *head = (struct tpm_header *)buf->data; - - return be32_to_cpu(head->length); -} - -static inline u16 tpm_buf_tag(struct tpm_buf *buf) -{ - struct tpm_header *head = (struct tpm_header *)buf->data; - - return be16_to_cpu(head->tag); -} - -static inline void tpm_buf_append(struct tpm_buf *buf, - const unsigned char *new_data, - unsigned int new_len) -{ - struct tpm_header *head = (struct tpm_header *)buf->data; - u32 len = tpm_buf_length(buf); - - /* Return silently if overflow has already happened. */ - if (buf->flags & TPM_BUF_OVERFLOW) - return; - - if ((len + new_len) > PAGE_SIZE) { - WARN(1, "tpm_buf: overflow\n"); - buf->flags |= TPM_BUF_OVERFLOW; - return; - } - - memcpy(&buf->data[len], new_data, new_len); - head->length = cpu_to_be32(len + new_len); -} - -static inline void tpm_buf_append_u8(struct tpm_buf *buf, const u8 value) -{ - tpm_buf_append(buf, &value, 1); -} - -static inline void tpm_buf_append_u16(struct tpm_buf *buf, const u16 value) -{ - __be16 value2 = cpu_to_be16(value); - - tpm_buf_append(buf, (u8 *) &value2, 2); -} - -static inline void tpm_buf_append_u32(struct tpm_buf *buf, const u32 value) -{ - __be32 value2 = cpu_to_be32(value); - - tpm_buf_append(buf, (u8 *) &value2, 4); -} - extern struct class *tpm_class; extern struct class *tpmrm_class; extern dev_t tpm_devt; @@ -429,11 +212,6 @@ static inline void tpm_add_ppi(struct tpm_chip *chip) } #endif -static inline u32 tpm2_rc_value(u32 rc) -{ - return (rc & BIT(7)) ? rc & 0xff : rc; -} - int tpm2_get_timeouts(struct tpm_chip *chip); int tpm2_pcr_read(struct tpm_chip *chip, u32 pcr_idx, struct tpm_digest *digest, u16 *digest_size_ptr); @@ -441,12 +219,6 @@ int tpm2_pcr_extend(struct tpm_chip *chip, u32 pcr_idx, struct tpm_digest *digests); int tpm2_get_random(struct tpm_chip *chip, u8 *dest, size_t max); void tpm2_flush_context(struct tpm_chip *chip, u32 handle); -int tpm2_seal_trusted(struct tpm_chip *chip, - struct trusted_key_payload *payload, - struct trusted_key_options *options); -int tpm2_unseal_trusted(struct tpm_chip *chip, - struct trusted_key_payload *payload, - struct trusted_key_options *options); ssize_t tpm2_get_tpm_pt(struct tpm_chip *chip, u32 property_id, u32 *value, const char *desc); diff --git a/drivers/char/tpm/tpm1-cmd.c b/drivers/char/tpm/tpm1-cmd.c index 149e953ca369..ca7158fa6e6c 100644 --- a/drivers/char/tpm/tpm1-cmd.c +++ b/drivers/char/tpm/tpm1-cmd.c @@ -343,6 +343,7 @@ int tpm1_get_timeouts(struct tpm_chip *chip) { cap_t cap; unsigned long timeout_old[4], timeout_chip[4], timeout_eff[4]; + unsigned long durations[3]; ssize_t rc; rc = tpm1_getcap(chip, TPM_CAP_PROP_TIS_TIMEOUT, &cap, NULL, @@ -427,6 +428,20 @@ int tpm1_get_timeouts(struct tpm_chip *chip) usecs_to_jiffies(be32_to_cpu(cap.duration.tpm_long)); chip->duration[TPM_LONG_LONG] = 0; /* not used under 1.2 */ + /* + * Provide the ability for vendor overrides of duration values in case + * of misreporting. + */ + if (chip->ops->update_durations) + chip->ops->update_durations(chip, durations); + + if (chip->duration_adjusted) { + dev_info(&chip->dev, HW_ERR "Adjusting reported durations."); + chip->duration[TPM_SHORT] = durations[0]; + chip->duration[TPM_MEDIUM] = durations[1]; + chip->duration[TPM_LONG] = durations[2]; + } + /* The Broadcom BCM0102 chipset in a Dell Latitude D820 gets the above * value wrong and apparently reports msecs rather than usecs. So we * fix up the resulting too-small TPM_SHORT value to make things work. diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index ba9acae83bff..fdb457704aa7 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -13,20 +13,6 @@ #include "tpm.h" #include <crypto/hash_info.h> -#include <keys/trusted-type.h> - -enum tpm2_object_attributes { - TPM2_OA_USER_WITH_AUTH = BIT(6), -}; - -enum tpm2_session_attributes { - TPM2_SA_CONTINUE_SESSION = BIT(0), -}; - -struct tpm2_hash { - unsigned int crypto_id; - unsigned int tpm_id; -}; static struct tpm2_hash tpm2_hash_map[] = { {HASH_ALGO_SHA1, TPM_ALG_SHA1}, @@ -377,299 +363,6 @@ void tpm2_flush_context(struct tpm_chip *chip, u32 handle) tpm_buf_destroy(&buf); } -/** - * tpm_buf_append_auth() - append TPMS_AUTH_COMMAND to the buffer. - * - * @buf: an allocated tpm_buf instance - * @session_handle: session handle - * @nonce: the session nonce, may be NULL if not used - * @nonce_len: the session nonce length, may be 0 if not used - * @attributes: the session attributes - * @hmac: the session HMAC or password, may be NULL if not used - * @hmac_len: the session HMAC or password length, maybe 0 if not used - */ -static void tpm2_buf_append_auth(struct tpm_buf *buf, u32 session_handle, - const u8 *nonce, u16 nonce_len, - u8 attributes, - const u8 *hmac, u16 hmac_len) -{ - tpm_buf_append_u32(buf, 9 + nonce_len + hmac_len); - tpm_buf_append_u32(buf, session_handle); - tpm_buf_append_u16(buf, nonce_len); - - if (nonce && nonce_len) - tpm_buf_append(buf, nonce, nonce_len); - - tpm_buf_append_u8(buf, attributes); - tpm_buf_append_u16(buf, hmac_len); - - if (hmac && hmac_len) - tpm_buf_append(buf, hmac, hmac_len); -} - -/** - * tpm2_seal_trusted() - seal the payload of a trusted key - * - * @chip: TPM chip to use - * @payload: the key data in clear and encrypted form - * @options: authentication values and other options - * - * Return: < 0 on error and 0 on success. - */ -int tpm2_seal_trusted(struct tpm_chip *chip, - struct trusted_key_payload *payload, - struct trusted_key_options *options) -{ - unsigned int blob_len; - struct tpm_buf buf; - u32 hash; - int i; - int rc; - - for (i = 0; i < ARRAY_SIZE(tpm2_hash_map); i++) { - if (options->hash == tpm2_hash_map[i].crypto_id) { - hash = tpm2_hash_map[i].tpm_id; - break; - } - } - - if (i == ARRAY_SIZE(tpm2_hash_map)) - return -EINVAL; - - rc = tpm_buf_init(&buf, TPM2_ST_SESSIONS, TPM2_CC_CREATE); - if (rc) - return rc; - - tpm_buf_append_u32(&buf, options->keyhandle); - tpm2_buf_append_auth(&buf, TPM2_RS_PW, - NULL /* nonce */, 0, - 0 /* session_attributes */, - options->keyauth /* hmac */, - TPM_DIGEST_SIZE); - - /* sensitive */ - tpm_buf_append_u16(&buf, 4 + TPM_DIGEST_SIZE + payload->key_len + 1); - - tpm_buf_append_u16(&buf, TPM_DIGEST_SIZE); - tpm_buf_append(&buf, options->blobauth, TPM_DIGEST_SIZE); - tpm_buf_append_u16(&buf, payload->key_len + 1); - tpm_buf_append(&buf, payload->key, payload->key_len); - tpm_buf_append_u8(&buf, payload->migratable); - - /* public */ - tpm_buf_append_u16(&buf, 14 + options->policydigest_len); - tpm_buf_append_u16(&buf, TPM_ALG_KEYEDHASH); - tpm_buf_append_u16(&buf, hash); - - /* policy */ - if (options->policydigest_len) { - tpm_buf_append_u32(&buf, 0); - tpm_buf_append_u16(&buf, options->policydigest_len); - tpm_buf_append(&buf, options->policydigest, - options->policydigest_len); - } else { - tpm_buf_append_u32(&buf, TPM2_OA_USER_WITH_AUTH); - tpm_buf_append_u16(&buf, 0); - } - - /* public parameters */ - tpm_buf_append_u16(&buf, TPM_ALG_NULL); - tpm_buf_append_u16(&buf, 0); - - /* outside info */ - tpm_buf_append_u16(&buf, 0); - - /* creation PCR */ - tpm_buf_append_u32(&buf, 0); - - if (buf.flags & TPM_BUF_OVERFLOW) { - rc = -E2BIG; - goto out; - } - - rc = tpm_transmit_cmd(chip, &buf, 4, "sealing data"); - if (rc) - goto out; - - blob_len = be32_to_cpup((__be32 *) &buf.data[TPM_HEADER_SIZE]); - if (blob_len > MAX_BLOB_SIZE) { - rc = -E2BIG; - goto out; - } - if (tpm_buf_length(&buf) < TPM_HEADER_SIZE + 4 + blob_len) { - rc = -EFAULT; - goto out; - } - - memcpy(payload->blob, &buf.data[TPM_HEADER_SIZE + 4], blob_len); - payload->blob_len = blob_len; - -out: - tpm_buf_destroy(&buf); - - if (rc > 0) { - if (tpm2_rc_value(rc) == TPM2_RC_HASH) - rc = -EINVAL; - else - rc = -EPERM; - } - - return rc; -} - -/** - * tpm2_load_cmd() - execute a TPM2_Load command - * - * @chip: TPM chip to use - * @payload: the key data in clear and encrypted form - * @options: authentication values and other options - * @blob_handle: returned blob handle - * - * Return: 0 on success. - * -E2BIG on wrong payload size. - * -EPERM on tpm error status. - * < 0 error from tpm_transmit_cmd. - */ -static int tpm2_load_cmd(struct tpm_chip *chip, - struct trusted_key_payload *payload, - struct trusted_key_options *options, - u32 *blob_handle) -{ - struct tpm_buf buf; - unsigned int private_len; - unsigned int public_len; - unsigned int blob_len; - int rc; - - private_len = be16_to_cpup((__be16 *) &payload->blob[0]); - if (private_len > (payload->blob_len - 2)) - return -E2BIG; - - public_len = be16_to_cpup((__be16 *) &payload->blob[2 + private_len]); - blob_len = private_len + public_len + 4; - if (blob_len > payload->blob_len) - return -E2BIG; - - rc = tpm_buf_init(&buf, TPM2_ST_SESSIONS, TPM2_CC_LOAD); - if (rc) - return rc; - - tpm_buf_append_u32(&buf, options->keyhandle); - tpm2_buf_append_auth(&buf, TPM2_RS_PW, - NULL /* nonce */, 0, - 0 /* session_attributes */, - options->keyauth /* hmac */, - TPM_DIGEST_SIZE); - - tpm_buf_append(&buf, payload->blob, blob_len); - - if (buf.flags & TPM_BUF_OVERFLOW) { - rc = -E2BIG; - goto out; - } - - rc = tpm_transmit_cmd(chip, &buf, 4, "loading blob"); - if (!rc) - *blob_handle = be32_to_cpup( - (__be32 *) &buf.data[TPM_HEADER_SIZE]); - -out: - tpm_buf_destroy(&buf); - - if (rc > 0) - rc = -EPERM; - - return rc; -} - -/** - * tpm2_unseal_cmd() - execute a TPM2_Unload command - * - * @chip: TPM chip to use - * @payload: the key data in clear and encrypted form - * @options: authentication values and other options - * @blob_handle: blob handle - * - * Return: 0 on success - * -EPERM on tpm error status - * < 0 error from tpm_transmit_cmd - */ -static int tpm2_unseal_cmd(struct tpm_chip *chip, - struct trusted_key_payload *payload, - struct trusted_key_options *options, - u32 blob_handle) -{ - struct tpm_buf buf; - u16 data_len; - u8 *data; - int rc; - - rc = tpm_buf_init(&buf, TPM2_ST_SESSIONS, TPM2_CC_UNSEAL); - if (rc) - return rc; - - tpm_buf_append_u32(&buf, blob_handle); - tpm2_buf_append_auth(&buf, - options->policyhandle ? - options->policyhandle : TPM2_RS_PW, - NULL /* nonce */, 0, - TPM2_SA_CONTINUE_SESSION, - options->blobauth /* hmac */, - TPM_DIGEST_SIZE); - - rc = tpm_transmit_cmd(chip, &buf, 6, "unsealing"); - if (rc > 0) - rc = -EPERM; - - if (!rc) { - data_len = be16_to_cpup( - (__be16 *) &buf.data[TPM_HEADER_SIZE + 4]); - if (data_len < MIN_KEY_SIZE || data_len > MAX_KEY_SIZE + 1) { - rc = -EFAULT; - goto out; - } - - if (tpm_buf_length(&buf) < TPM_HEADER_SIZE + 6 + data_len) { - rc = -EFAULT; - goto out; - } - data = &buf.data[TPM_HEADER_SIZE + 6]; - - memcpy(payload->key, data, data_len - 1); - payload->key_len = data_len - 1; - payload->migratable = data[data_len - 1]; - } - -out: - tpm_buf_destroy(&buf); - return rc; -} - -/** - * tpm2_unseal_trusted() - unseal the payload of a trusted key - * - * @chip: TPM chip to use - * @payload: the key data in clear and encrypted form - * @options: authentication values and other options - * - * Return: Same as with tpm_transmit_cmd. - */ -int tpm2_unseal_trusted(struct tpm_chip *chip, - struct trusted_key_payload *payload, - struct trusted_key_options *options) -{ - u32 blob_handle; - int rc; - - rc = tpm2_load_cmd(chip, payload, options, &blob_handle); - if (rc) - return rc; - - rc = tpm2_unseal_cmd(chip, payload, options, blob_handle); - tpm2_flush_context(chip, blob_handle); - return rc; -} - struct tpm2_get_cap_out { u8 more_data; __be32 subcap_id; @@ -939,6 +632,10 @@ static int tpm2_get_cc_attrs_tbl(struct tpm_chip *chip) chip->cc_attrs_tbl = devm_kcalloc(&chip->dev, 4, nr_commands, GFP_KERNEL); + if (!chip->cc_attrs_tbl) { + rc = -ENOMEM; + goto out; + } rc = tpm_buf_init(&buf, TPM2_ST_NO_SESSIONS, TPM2_CC_GET_CAPABILITY); if (rc) diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index e59f1f91d7f3..a9dcf31eadd2 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -22,6 +22,7 @@ #include "tpm.h" #define ACPI_SIG_TPM2 "TPM2" +#define TPM_CRB_MAX_RESOURCES 3 static const guid_t crb_acpi_start_guid = GUID_INIT(0x6BBF6CAB, 0x5463, 0x4714, @@ -91,7 +92,6 @@ enum crb_status { struct crb_priv { u32 sm; const char *hid; - void __iomem *iobase; struct crb_regs_head __iomem *regs_h; struct crb_regs_tail __iomem *regs_t; u8 __iomem *cmd; @@ -434,21 +434,27 @@ static const struct tpm_class_ops tpm_crb = { static int crb_check_resource(struct acpi_resource *ares, void *data) { - struct resource *io_res = data; + struct resource *iores_array = data; struct resource_win win; struct resource *res = &(win.res); + int i; if (acpi_dev_resource_memory(ares, res) || acpi_dev_resource_address_space(ares, &win)) { - *io_res = *res; - io_res->name = NULL; + for (i = 0; i < TPM_CRB_MAX_RESOURCES + 1; ++i) { + if (resource_type(iores_array + i) != IORESOURCE_MEM) { + iores_array[i] = *res; + iores_array[i].name = NULL; + break; + } + } } return 1; } -static void __iomem *crb_map_res(struct device *dev, struct crb_priv *priv, - struct resource *io_res, u64 start, u32 size) +static void __iomem *crb_map_res(struct device *dev, struct resource *iores, + void __iomem **iobase_ptr, u64 start, u32 size) { struct resource new_res = { .start = start, @@ -460,10 +466,16 @@ static void __iomem *crb_map_res(struct device *dev, struct crb_priv *priv, if (start != new_res.start) return (void __iomem *) ERR_PTR(-EINVAL); - if (!resource_contains(io_res, &new_res)) + if (!iores) return devm_ioremap_resource(dev, &new_res); - return priv->iobase + (new_res.start - io_res->start); + if (!*iobase_ptr) { + *iobase_ptr = devm_ioremap_resource(dev, iores); + if (IS_ERR(*iobase_ptr)) + return *iobase_ptr; + } + + return *iobase_ptr + (new_res.start - iores->start); } /* @@ -490,9 +502,13 @@ static u64 crb_fixup_cmd_size(struct device *dev, struct resource *io_res, static int crb_map_io(struct acpi_device *device, struct crb_priv *priv, struct acpi_table_tpm2 *buf) { - struct list_head resources; - struct resource io_res; + struct list_head acpi_resource_list; + struct resource iores_array[TPM_CRB_MAX_RESOURCES + 1] = { {0} }; + void __iomem *iobase_array[TPM_CRB_MAX_RESOURCES] = {NULL}; struct device *dev = &device->dev; + struct resource *iores; + void __iomem **iobase_ptr; + int i; u32 pa_high, pa_low; u64 cmd_pa; u32 cmd_size; @@ -501,21 +517,41 @@ static int crb_map_io(struct acpi_device *device, struct crb_priv *priv, u32 rsp_size; int ret; - INIT_LIST_HEAD(&resources); - ret = acpi_dev_get_resources(device, &resources, crb_check_resource, - &io_res); + INIT_LIST_HEAD(&acpi_resource_list); + ret = acpi_dev_get_resources(device, &acpi_resource_list, + crb_check_resource, iores_array); if (ret < 0) return ret; - acpi_dev_free_resource_list(&resources); + acpi_dev_free_resource_list(&acpi_resource_list); - if (resource_type(&io_res) != IORESOURCE_MEM) { + if (resource_type(iores_array) != IORESOURCE_MEM) { dev_err(dev, FW_BUG "TPM2 ACPI table does not define a memory resource\n"); return -EINVAL; + } else if (resource_type(iores_array + TPM_CRB_MAX_RESOURCES) == + IORESOURCE_MEM) { + dev_warn(dev, "TPM2 ACPI table defines too many memory resources\n"); + memset(iores_array + TPM_CRB_MAX_RESOURCES, + 0, sizeof(*iores_array)); + iores_array[TPM_CRB_MAX_RESOURCES].flags = 0; } - priv->iobase = devm_ioremap_resource(dev, &io_res); - if (IS_ERR(priv->iobase)) - return PTR_ERR(priv->iobase); + iores = NULL; + iobase_ptr = NULL; + for (i = 0; resource_type(iores_array + i) == IORESOURCE_MEM; ++i) { + if (buf->control_address >= iores_array[i].start && + buf->control_address + sizeof(struct crb_regs_tail) - 1 <= + iores_array[i].end) { + iores = iores_array + i; + iobase_ptr = iobase_array + i; + break; + } + } + + priv->regs_t = crb_map_res(dev, iores, iobase_ptr, buf->control_address, + sizeof(struct crb_regs_tail)); + + if (IS_ERR(priv->regs_t)) + return PTR_ERR(priv->regs_t); /* The ACPI IO region starts at the head area and continues to include * the control area, as one nice sane region except for some older @@ -523,9 +559,10 @@ static int crb_map_io(struct acpi_device *device, struct crb_priv *priv, */ if ((priv->sm == ACPI_TPM2_COMMAND_BUFFER) || (priv->sm == ACPI_TPM2_MEMORY_MAPPED)) { - if (buf->control_address == io_res.start + + if (iores && + buf->control_address == iores->start + sizeof(*priv->regs_h)) - priv->regs_h = priv->iobase; + priv->regs_h = *iobase_ptr; else dev_warn(dev, FW_BUG "Bad ACPI memory layout"); } @@ -534,13 +571,6 @@ static int crb_map_io(struct acpi_device *device, struct crb_priv *priv, if (ret) return ret; - priv->regs_t = crb_map_res(dev, priv, &io_res, buf->control_address, - sizeof(struct crb_regs_tail)); - if (IS_ERR(priv->regs_t)) { - ret = PTR_ERR(priv->regs_t); - goto out_relinquish_locality; - } - /* * PTT HW bug w/a: wake up the device to access * possibly not retained registers. @@ -552,13 +582,26 @@ static int crb_map_io(struct acpi_device *device, struct crb_priv *priv, pa_high = ioread32(&priv->regs_t->ctrl_cmd_pa_high); pa_low = ioread32(&priv->regs_t->ctrl_cmd_pa_low); cmd_pa = ((u64)pa_high << 32) | pa_low; - cmd_size = crb_fixup_cmd_size(dev, &io_res, cmd_pa, - ioread32(&priv->regs_t->ctrl_cmd_size)); + cmd_size = ioread32(&priv->regs_t->ctrl_cmd_size); + + iores = NULL; + iobase_ptr = NULL; + for (i = 0; iores_array[i].end; ++i) { + if (cmd_pa >= iores_array[i].start && + cmd_pa <= iores_array[i].end) { + iores = iores_array + i; + iobase_ptr = iobase_array + i; + break; + } + } + + if (iores) + cmd_size = crb_fixup_cmd_size(dev, iores, cmd_pa, cmd_size); dev_dbg(dev, "cmd_hi = %X cmd_low = %X cmd_size %X\n", pa_high, pa_low, cmd_size); - priv->cmd = crb_map_res(dev, priv, &io_res, cmd_pa, cmd_size); + priv->cmd = crb_map_res(dev, iores, iobase_ptr, cmd_pa, cmd_size); if (IS_ERR(priv->cmd)) { ret = PTR_ERR(priv->cmd); goto out; @@ -566,11 +609,25 @@ static int crb_map_io(struct acpi_device *device, struct crb_priv *priv, memcpy_fromio(&__rsp_pa, &priv->regs_t->ctrl_rsp_pa, 8); rsp_pa = le64_to_cpu(__rsp_pa); - rsp_size = crb_fixup_cmd_size(dev, &io_res, rsp_pa, - ioread32(&priv->regs_t->ctrl_rsp_size)); + rsp_size = ioread32(&priv->regs_t->ctrl_rsp_size); + + iores = NULL; + iobase_ptr = NULL; + for (i = 0; resource_type(iores_array + i) == IORESOURCE_MEM; ++i) { + if (rsp_pa >= iores_array[i].start && + rsp_pa <= iores_array[i].end) { + iores = iores_array + i; + iobase_ptr = iobase_array + i; + break; + } + } + + if (iores) + rsp_size = crb_fixup_cmd_size(dev, iores, rsp_pa, rsp_size); if (cmd_pa != rsp_pa) { - priv->rsp = crb_map_res(dev, priv, &io_res, rsp_pa, rsp_size); + priv->rsp = crb_map_res(dev, iores, iobase_ptr, + rsp_pa, rsp_size); ret = PTR_ERR_OR_ZERO(priv->rsp); goto out; } diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index e4fdde93ed4c..e7df342a317d 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -286,7 +286,7 @@ static int tpm_tis_plat_probe(struct platform_device *pdev) } tpm_info.res = *res; - tpm_info.irq = platform_get_irq(pdev, 0); + tpm_info.irq = platform_get_irq_optional(pdev, 0); if (tpm_info.irq <= 0) { if (pdev != force_pdev) tpm_info.irq = -1; diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c index 270f43acbb77..8af2cee1a762 100644 --- a/drivers/char/tpm/tpm_tis_core.c +++ b/drivers/char/tpm/tpm_tis_core.c @@ -506,6 +506,84 @@ static int tpm_tis_send(struct tpm_chip *chip, u8 *buf, size_t len) return rc; } +struct tis_vendor_durations_override { + u32 did_vid; + struct tpm1_version version; + unsigned long durations[3]; +}; + +static const struct tis_vendor_durations_override vendor_dur_overrides[] = { + /* STMicroelectronics 0x104a */ + { 0x0000104a, + { 1, 2, 8, 28 }, + { (2 * 60 * HZ), (2 * 60 * HZ), (2 * 60 * HZ) } }, +}; + +static void tpm_tis_update_durations(struct tpm_chip *chip, + unsigned long *duration_cap) +{ + struct tpm_tis_data *priv = dev_get_drvdata(&chip->dev); + struct tpm1_version *version; + u32 did_vid; + int i, rc; + cap_t cap; + + chip->duration_adjusted = false; + + if (chip->ops->clk_enable != NULL) + chip->ops->clk_enable(chip, true); + + rc = tpm_tis_read32(priv, TPM_DID_VID(0), &did_vid); + if (rc < 0) { + dev_warn(&chip->dev, "%s: failed to read did_vid. %d\n", + __func__, rc); + goto out; + } + + /* Try to get a TPM version 1.2 or 1.1 TPM_CAP_VERSION_INFO */ + rc = tpm1_getcap(chip, TPM_CAP_VERSION_1_2, &cap, + "attempting to determine the 1.2 version", + sizeof(cap.version2)); + if (!rc) { + version = &cap.version2.version; + } else { + rc = tpm1_getcap(chip, TPM_CAP_VERSION_1_1, &cap, + "attempting to determine the 1.1 version", + sizeof(cap.version1)); + + if (rc) + goto out; + + version = &cap.version1; + } + + for (i = 0; i != ARRAY_SIZE(vendor_dur_overrides); i++) { + if (vendor_dur_overrides[i].did_vid != did_vid) + continue; + + if ((version->major == + vendor_dur_overrides[i].version.major) && + (version->minor == + vendor_dur_overrides[i].version.minor) && + (version->rev_major == + vendor_dur_overrides[i].version.rev_major) && + (version->rev_minor == + vendor_dur_overrides[i].version.rev_minor)) { + + memcpy(duration_cap, + vendor_dur_overrides[i].durations, + sizeof(vendor_dur_overrides[i].durations)); + + chip->duration_adjusted = true; + goto out; + } + } + +out: + if (chip->ops->clk_enable != NULL) + chip->ops->clk_enable(chip, false); +} + struct tis_vendor_timeout_override { u32 did_vid; unsigned long timeout_us[4]; @@ -842,6 +920,7 @@ static const struct tpm_class_ops tpm_tis = { .send = tpm_tis_send, .cancel = tpm_tis_ready, .update_timeouts = tpm_tis_update_timeouts, + .update_durations = tpm_tis_update_durations, .req_complete_mask = TPM_STS_DATA_AVAIL | TPM_STS_VALID, .req_complete_val = TPM_STS_DATA_AVAIL | TPM_STS_VALID, .req_canceled = tpm_tis_req_canceled, diff --git a/drivers/char/tpm/tpm_tis_spi.c b/drivers/char/tpm/tpm_tis_spi.c index 19513e622053..d1754fd6c573 100644 --- a/drivers/char/tpm/tpm_tis_spi.c +++ b/drivers/char/tpm/tpm_tis_spi.c @@ -20,42 +20,64 @@ * Dorn and Kyleen Hall and Jarko Sakkinnen. */ +#include <linux/acpi.h> +#include <linux/completion.h> #include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> #include <linux/module.h> -#include <linux/moduleparam.h> #include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/wait.h> -#include <linux/acpi.h> -#include <linux/freezer.h> +#include <linux/of_device.h> #include <linux/spi/spi.h> -#include <linux/gpio.h> -#include <linux/of_irq.h> -#include <linux/of_gpio.h> #include <linux/tpm.h> + #include "tpm.h" #include "tpm_tis_core.h" +#include "tpm_tis_spi.h" #define MAX_SPI_FRAMESIZE 64 -struct tpm_tis_spi_phy { - struct tpm_tis_data priv; - struct spi_device *spi_device; - u8 *iobuf; -}; - -static inline struct tpm_tis_spi_phy *to_tpm_tis_spi_phy(struct tpm_tis_data *data) +/* + * TCG SPI flow control is documented in section 6.4 of the spec[1]. In short, + * keep trying to read from the device until MISO goes high indicating the + * wait state has ended. + * + * [1] https://trustedcomputinggroup.org/resource/pc-client-platform-tpm-profile-ptp-specification/ + */ +static int tpm_tis_spi_flow_control(struct tpm_tis_spi_phy *phy, + struct spi_transfer *spi_xfer) { - return container_of(data, struct tpm_tis_spi_phy, priv); + struct spi_message m; + int ret, i; + + if ((phy->iobuf[3] & 0x01) == 0) { + // handle SPI wait states + phy->iobuf[0] = 0; + + for (i = 0; i < TPM_RETRY; i++) { + spi_xfer->len = 1; + spi_message_init(&m); + spi_message_add_tail(spi_xfer, &m); + ret = spi_sync_locked(phy->spi_device, &m); + if (ret < 0) + return ret; + if (phy->iobuf[0] & 0x01) + break; + } + + if (i == TPM_RETRY) + return -ETIMEDOUT; + } + + return 0; } -static int tpm_tis_spi_transfer(struct tpm_tis_data *data, u32 addr, u16 len, - u8 *in, const u8 *out) +int tpm_tis_spi_transfer(struct tpm_tis_data *data, u32 addr, u16 len, + u8 *in, const u8 *out) { struct tpm_tis_spi_phy *phy = to_tpm_tis_spi_phy(data); int ret = 0; - int i; struct spi_message m; struct spi_transfer spi_xfer; u8 transfer_len; @@ -82,26 +104,9 @@ static int tpm_tis_spi_transfer(struct tpm_tis_data *data, u32 addr, u16 len, if (ret < 0) goto exit; - if ((phy->iobuf[3] & 0x01) == 0) { - // handle SPI wait states - phy->iobuf[0] = 0; - - for (i = 0; i < TPM_RETRY; i++) { - spi_xfer.len = 1; - spi_message_init(&m); - spi_message_add_tail(&spi_xfer, &m); - ret = spi_sync_locked(phy->spi_device, &m); - if (ret < 0) - goto exit; - if (phy->iobuf[0] & 0x01) - break; - } - - if (i == TPM_RETRY) { - ret = -ETIMEDOUT; - goto exit; - } - } + ret = phy->flow_control(phy, &spi_xfer); + if (ret < 0) + goto exit; spi_xfer.cs_change = 0; spi_xfer.len = transfer_len; @@ -117,6 +122,7 @@ static int tpm_tis_spi_transfer(struct tpm_tis_data *data, u32 addr, u16 len, spi_message_init(&m); spi_message_add_tail(&spi_xfer, &m); + reinit_completion(&phy->ready); ret = spi_sync_locked(phy->spi_device, &m); if (ret < 0) goto exit; @@ -146,7 +152,7 @@ static int tpm_tis_spi_write_bytes(struct tpm_tis_data *data, u32 addr, return tpm_tis_spi_transfer(data, addr, len, NULL, value); } -static int tpm_tis_spi_read16(struct tpm_tis_data *data, u32 addr, u16 *result) +int tpm_tis_spi_read16(struct tpm_tis_data *data, u32 addr, u16 *result) { __le16 result_le; int rc; @@ -159,7 +165,7 @@ static int tpm_tis_spi_read16(struct tpm_tis_data *data, u32 addr, u16 *result) return rc; } -static int tpm_tis_spi_read32(struct tpm_tis_data *data, u32 addr, u32 *result) +int tpm_tis_spi_read32(struct tpm_tis_data *data, u32 addr, u32 *result) { __le32 result_le; int rc; @@ -172,7 +178,7 @@ static int tpm_tis_spi_read32(struct tpm_tis_data *data, u32 addr, u32 *result) return rc; } -static int tpm_tis_spi_write32(struct tpm_tis_data *data, u32 addr, u32 value) +int tpm_tis_spi_write32(struct tpm_tis_data *data, u32 addr, u32 value) { __le32 value_le; int rc; @@ -184,6 +190,18 @@ static int tpm_tis_spi_write32(struct tpm_tis_data *data, u32 addr, u32 value) return rc; } +int tpm_tis_spi_init(struct spi_device *spi, struct tpm_tis_spi_phy *phy, + int irq, const struct tpm_tis_phy_ops *phy_ops) +{ + phy->iobuf = devm_kmalloc(&spi->dev, MAX_SPI_FRAMESIZE, GFP_KERNEL); + if (!phy->iobuf) + return -ENOMEM; + + phy->spi_device = spi; + + return tpm_tis_core_init(&spi->dev, &phy->priv, irq, phy_ops, NULL); +} + static const struct tpm_tis_phy_ops tpm_spi_phy_ops = { .read_bytes = tpm_tis_spi_read_bytes, .write_bytes = tpm_tis_spi_write_bytes, @@ -202,11 +220,7 @@ static int tpm_tis_spi_probe(struct spi_device *dev) if (!phy) return -ENOMEM; - phy->spi_device = dev; - - phy->iobuf = devm_kmalloc(&dev->dev, MAX_SPI_FRAMESIZE, GFP_KERNEL); - if (!phy->iobuf) - return -ENOMEM; + phy->flow_control = tpm_tis_spi_flow_control; /* If the SPI device has an IRQ then use that */ if (dev->irq > 0) @@ -214,11 +228,27 @@ static int tpm_tis_spi_probe(struct spi_device *dev) else irq = -1; - return tpm_tis_core_init(&dev->dev, &phy->priv, irq, &tpm_spi_phy_ops, - NULL); + init_completion(&phy->ready); + return tpm_tis_spi_init(dev, phy, irq, &tpm_spi_phy_ops); +} + +typedef int (*tpm_tis_spi_probe_func)(struct spi_device *); + +static int tpm_tis_spi_driver_probe(struct spi_device *spi) +{ + const struct spi_device_id *spi_dev_id = spi_get_device_id(spi); + tpm_tis_spi_probe_func probe_func; + + probe_func = of_device_get_match_data(&spi->dev); + if (!probe_func && spi_dev_id) + probe_func = (tpm_tis_spi_probe_func)spi_dev_id->driver_data; + if (!probe_func) + return -ENODEV; + + return probe_func(spi); } -static SIMPLE_DEV_PM_OPS(tpm_tis_pm, tpm_pm_suspend, tpm_tis_resume); +static SIMPLE_DEV_PM_OPS(tpm_tis_pm, tpm_pm_suspend, tpm_tis_spi_resume); static int tpm_tis_spi_remove(struct spi_device *dev) { @@ -230,15 +260,17 @@ static int tpm_tis_spi_remove(struct spi_device *dev) } static const struct spi_device_id tpm_tis_spi_id[] = { - {"tpm_tis_spi", 0}, + { "tpm_tis_spi", (unsigned long)tpm_tis_spi_probe }, + { "cr50", (unsigned long)cr50_spi_probe }, {} }; MODULE_DEVICE_TABLE(spi, tpm_tis_spi_id); static const struct of_device_id of_tis_spi_match[] = { - { .compatible = "st,st33htpm-spi", }, - { .compatible = "infineon,slb9670", }, - { .compatible = "tcg,tpm_tis-spi", }, + { .compatible = "st,st33htpm-spi", .data = tpm_tis_spi_probe }, + { .compatible = "infineon,slb9670", .data = tpm_tis_spi_probe }, + { .compatible = "tcg,tpm_tis-spi", .data = tpm_tis_spi_probe }, + { .compatible = "google,cr50", .data = cr50_spi_probe }, {} }; MODULE_DEVICE_TABLE(of, of_tis_spi_match); @@ -251,13 +283,12 @@ MODULE_DEVICE_TABLE(acpi, acpi_tis_spi_match); static struct spi_driver tpm_tis_spi_driver = { .driver = { - .owner = THIS_MODULE, .name = "tpm_tis_spi", .pm = &tpm_tis_pm, .of_match_table = of_match_ptr(of_tis_spi_match), .acpi_match_table = ACPI_PTR(acpi_tis_spi_match), }, - .probe = tpm_tis_spi_probe, + .probe = tpm_tis_spi_driver_probe, .remove = tpm_tis_spi_remove, .id_table = tpm_tis_spi_id, }; diff --git a/drivers/char/tpm/tpm_tis_spi.h b/drivers/char/tpm/tpm_tis_spi.h new file mode 100644 index 000000000000..bba73979c368 --- /dev/null +++ b/drivers/char/tpm/tpm_tis_spi.h @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2015 Infineon Technologies AG + * Copyright (C) 2016 STMicroelectronics SAS + */ + +#ifndef TPM_TIS_SPI_H +#define TPM_TIS_SPI_H + +#include "tpm_tis_core.h" + +struct tpm_tis_spi_phy { + struct tpm_tis_data priv; + struct spi_device *spi_device; + int (*flow_control)(struct tpm_tis_spi_phy *phy, + struct spi_transfer *xfer); + struct completion ready; + unsigned long wake_after; + + u8 *iobuf; +}; + +static inline struct tpm_tis_spi_phy *to_tpm_tis_spi_phy(struct tpm_tis_data *data) +{ + return container_of(data, struct tpm_tis_spi_phy, priv); +} + +extern int tpm_tis_spi_init(struct spi_device *spi, struct tpm_tis_spi_phy *phy, + int irq, const struct tpm_tis_phy_ops *phy_ops); + +extern int tpm_tis_spi_transfer(struct tpm_tis_data *data, u32 addr, u16 len, + u8 *in, const u8 *out); + +extern int tpm_tis_spi_read16(struct tpm_tis_data *data, u32 addr, u16 *result); +extern int tpm_tis_spi_read32(struct tpm_tis_data *data, u32 addr, u32 *result); +extern int tpm_tis_spi_write32(struct tpm_tis_data *data, u32 addr, u32 value); + +#ifdef CONFIG_TCG_TIS_SPI_CR50 +extern int cr50_spi_probe(struct spi_device *spi); +#else +static inline int cr50_spi_probe(struct spi_device *spi) +{ + return -ENODEV; +} +#endif + +#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_TCG_TIS_SPI_CR50) +extern int tpm_tis_spi_resume(struct device *dev); +#else +#define tpm_tis_spi_resume NULL +#endif + +#endif diff --git a/drivers/char/tpm/tpm_tis_spi_cr50.c b/drivers/char/tpm/tpm_tis_spi_cr50.c new file mode 100644 index 000000000000..37d72e818335 --- /dev/null +++ b/drivers/char/tpm/tpm_tis_spi_cr50.c @@ -0,0 +1,322 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2016 Google, Inc + * + * This device driver implements a TCG PTP FIFO interface over SPI for chips + * with Cr50 firmware. + * It is based on tpm_tis_spi driver by Peter Huewe and Christophe Ricard. + */ + +#include <linux/completion.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/pm.h> +#include <linux/spi/spi.h> +#include <linux/wait.h> + +#include "tpm_tis_core.h" +#include "tpm_tis_spi.h" + +/* + * Cr50 timing constants: + * - can go to sleep not earlier than after CR50_SLEEP_DELAY_MSEC. + * - needs up to CR50_WAKE_START_DELAY_USEC to wake after sleep. + * - requires waiting for "ready" IRQ, if supported; or waiting for at least + * CR50_NOIRQ_ACCESS_DELAY_MSEC between transactions, if IRQ is not supported. + * - waits for up to CR50_FLOW_CONTROL for flow control 'ready' indication. + */ +#define CR50_SLEEP_DELAY_MSEC 1000 +#define CR50_WAKE_START_DELAY_USEC 1000 +#define CR50_NOIRQ_ACCESS_DELAY msecs_to_jiffies(2) +#define CR50_READY_IRQ_TIMEOUT msecs_to_jiffies(TPM2_TIMEOUT_A) +#define CR50_FLOW_CONTROL msecs_to_jiffies(TPM2_TIMEOUT_A) +#define MAX_IRQ_CONFIRMATION_ATTEMPTS 3 + +#define TPM_CR50_FW_VER(l) (0x0f90 | ((l) << 12)) +#define TPM_CR50_MAX_FW_VER_LEN 64 + +struct cr50_spi_phy { + struct tpm_tis_spi_phy spi_phy; + + struct mutex time_track_mutex; + unsigned long last_access; + + unsigned long access_delay; + + unsigned int irq_confirmation_attempt; + bool irq_needs_confirmation; + bool irq_confirmed; +}; + +static inline struct cr50_spi_phy *to_cr50_spi_phy(struct tpm_tis_spi_phy *phy) +{ + return container_of(phy, struct cr50_spi_phy, spi_phy); +} + +/* + * The cr50 interrupt handler just signals waiting threads that the + * interrupt was asserted. It does not do any processing triggered + * by interrupts but is instead used to avoid fixed delays. + */ +static irqreturn_t cr50_spi_irq_handler(int dummy, void *dev_id) +{ + struct cr50_spi_phy *cr50_phy = dev_id; + + cr50_phy->irq_confirmed = true; + complete(&cr50_phy->spi_phy.ready); + + return IRQ_HANDLED; +} + +/* + * Cr50 needs to have at least some delay between consecutive + * transactions. Make sure we wait. + */ +static void cr50_ensure_access_delay(struct cr50_spi_phy *phy) +{ + unsigned long allowed_access = phy->last_access + phy->access_delay; + unsigned long time_now = jiffies; + struct device *dev = &phy->spi_phy.spi_device->dev; + + /* + * Note: There is a small chance, if Cr50 is not accessed in a few days, + * that time_in_range will not provide the correct result after the wrap + * around for jiffies. In this case, we'll have an unneeded short delay, + * which is fine. + */ + if (time_in_range_open(time_now, phy->last_access, allowed_access)) { + unsigned long remaining, timeout = allowed_access - time_now; + + remaining = wait_for_completion_timeout(&phy->spi_phy.ready, + timeout); + if (!remaining && phy->irq_confirmed) + dev_warn(dev, "Timeout waiting for TPM ready IRQ\n"); + } + + if (phy->irq_needs_confirmation) { + unsigned int attempt = ++phy->irq_confirmation_attempt; + + if (phy->irq_confirmed) { + phy->irq_needs_confirmation = false; + phy->access_delay = CR50_READY_IRQ_TIMEOUT; + dev_info(dev, "TPM ready IRQ confirmed on attempt %u\n", + attempt); + } else if (attempt > MAX_IRQ_CONFIRMATION_ATTEMPTS) { + phy->irq_needs_confirmation = false; + dev_warn(dev, "IRQ not confirmed - will use delays\n"); + } + } +} + +/* + * Cr50 might go to sleep if there is no SPI activity for some time and + * miss the first few bits/bytes on the bus. In such case, wake it up + * by asserting CS and give it time to start up. + */ +static bool cr50_needs_waking(struct cr50_spi_phy *phy) +{ + /* + * Note: There is a small chance, if Cr50 is not accessed in a few days, + * that time_in_range will not provide the correct result after the wrap + * around for jiffies. In this case, we'll probably timeout or read + * incorrect value from TPM_STS and just retry the operation. + */ + return !time_in_range_open(jiffies, phy->last_access, + phy->spi_phy.wake_after); +} + +static void cr50_wake_if_needed(struct cr50_spi_phy *cr50_phy) +{ + struct tpm_tis_spi_phy *phy = &cr50_phy->spi_phy; + + if (cr50_needs_waking(cr50_phy)) { + /* Assert CS, wait 1 msec, deassert CS */ + struct spi_transfer spi_cs_wake = { .delay_usecs = 1000 }; + + spi_sync_transfer(phy->spi_device, &spi_cs_wake, 1); + /* Wait for it to fully wake */ + usleep_range(CR50_WAKE_START_DELAY_USEC, + CR50_WAKE_START_DELAY_USEC * 2); + } + + /* Reset the time when we need to wake Cr50 again */ + phy->wake_after = jiffies + msecs_to_jiffies(CR50_SLEEP_DELAY_MSEC); +} + +/* + * Flow control: clock the bus and wait for cr50 to set LSB before + * sending/receiving data. TCG PTP spec allows it to happen during + * the last byte of header, but cr50 never does that in practice, + * and earlier versions had a bug when it was set too early, so don't + * check for it during header transfer. + */ +static int cr50_spi_flow_control(struct tpm_tis_spi_phy *phy, + struct spi_transfer *spi_xfer) +{ + struct device *dev = &phy->spi_device->dev; + unsigned long timeout = jiffies + CR50_FLOW_CONTROL; + struct spi_message m; + int ret; + + spi_xfer->len = 1; + + do { + spi_message_init(&m); + spi_message_add_tail(spi_xfer, &m); + ret = spi_sync_locked(phy->spi_device, &m); + if (ret < 0) + return ret; + + if (time_after(jiffies, timeout)) { + dev_warn(dev, "Timeout during flow control\n"); + return -EBUSY; + } + } while (!(phy->iobuf[0] & 0x01)); + + return 0; +} + +static int tpm_tis_spi_cr50_transfer(struct tpm_tis_data *data, u32 addr, u16 len, + u8 *in, const u8 *out) +{ + struct tpm_tis_spi_phy *phy = to_tpm_tis_spi_phy(data); + struct cr50_spi_phy *cr50_phy = to_cr50_spi_phy(phy); + int ret; + + mutex_lock(&cr50_phy->time_track_mutex); + /* + * Do this outside of spi_bus_lock in case cr50 is not the + * only device on that spi bus. + */ + cr50_ensure_access_delay(cr50_phy); + cr50_wake_if_needed(cr50_phy); + + ret = tpm_tis_spi_transfer(data, addr, len, in, out); + + cr50_phy->last_access = jiffies; + mutex_unlock(&cr50_phy->time_track_mutex); + + return ret; +} + +static int tpm_tis_spi_cr50_read_bytes(struct tpm_tis_data *data, u32 addr, + u16 len, u8 *result) +{ + return tpm_tis_spi_cr50_transfer(data, addr, len, result, NULL); +} + +static int tpm_tis_spi_cr50_write_bytes(struct tpm_tis_data *data, u32 addr, + u16 len, const u8 *value) +{ + return tpm_tis_spi_cr50_transfer(data, addr, len, NULL, value); +} + +static const struct tpm_tis_phy_ops tpm_spi_cr50_phy_ops = { + .read_bytes = tpm_tis_spi_cr50_read_bytes, + .write_bytes = tpm_tis_spi_cr50_write_bytes, + .read16 = tpm_tis_spi_read16, + .read32 = tpm_tis_spi_read32, + .write32 = tpm_tis_spi_write32, +}; + +static void cr50_print_fw_version(struct tpm_tis_data *data) +{ + struct tpm_tis_spi_phy *phy = to_tpm_tis_spi_phy(data); + int i, len = 0; + char fw_ver[TPM_CR50_MAX_FW_VER_LEN + 1]; + char fw_ver_block[4]; + + /* + * Write anything to TPM_CR50_FW_VER to start from the beginning + * of the version string + */ + tpm_tis_write8(data, TPM_CR50_FW_VER(data->locality), 0); + + /* Read the string, 4 bytes at a time, until we get '\0' */ + do { + tpm_tis_read_bytes(data, TPM_CR50_FW_VER(data->locality), 4, + fw_ver_block); + for (i = 0; i < 4 && fw_ver_block[i]; ++len, ++i) + fw_ver[len] = fw_ver_block[i]; + } while (i == 4 && len < TPM_CR50_MAX_FW_VER_LEN); + fw_ver[len] = '\0'; + + dev_info(&phy->spi_device->dev, "Cr50 firmware version: %s\n", fw_ver); +} + +int cr50_spi_probe(struct spi_device *spi) +{ + struct tpm_tis_spi_phy *phy; + struct cr50_spi_phy *cr50_phy; + int ret; + struct tpm_chip *chip; + + cr50_phy = devm_kzalloc(&spi->dev, sizeof(*cr50_phy), GFP_KERNEL); + if (!cr50_phy) + return -ENOMEM; + + phy = &cr50_phy->spi_phy; + phy->flow_control = cr50_spi_flow_control; + phy->wake_after = jiffies; + init_completion(&phy->ready); + + cr50_phy->access_delay = CR50_NOIRQ_ACCESS_DELAY; + cr50_phy->last_access = jiffies; + mutex_init(&cr50_phy->time_track_mutex); + + if (spi->irq > 0) { + ret = devm_request_irq(&spi->dev, spi->irq, + cr50_spi_irq_handler, + IRQF_TRIGGER_RISING | IRQF_ONESHOT, + "cr50_spi", cr50_phy); + if (ret < 0) { + if (ret == -EPROBE_DEFER) + return ret; + dev_warn(&spi->dev, "Requesting IRQ %d failed: %d\n", + spi->irq, ret); + /* + * This is not fatal, the driver will fall back to + * delays automatically, since ready will never + * be completed without a registered irq handler. + * So, just fall through. + */ + } else { + /* + * IRQ requested, let's verify that it is actually + * triggered, before relying on it. + */ + cr50_phy->irq_needs_confirmation = true; + } + } else { + dev_warn(&spi->dev, + "No IRQ - will use delays between transactions.\n"); + } + + ret = tpm_tis_spi_init(spi, phy, -1, &tpm_spi_cr50_phy_ops); + if (ret) + return ret; + + cr50_print_fw_version(&phy->priv); + + chip = dev_get_drvdata(&spi->dev); + chip->flags |= TPM_CHIP_FLAG_FIRMWARE_POWER_MANAGED; + + return 0; +} + +#ifdef CONFIG_PM_SLEEP +int tpm_tis_spi_resume(struct device *dev) +{ + struct tpm_chip *chip = dev_get_drvdata(dev); + struct tpm_tis_data *data = dev_get_drvdata(&chip->dev); + struct tpm_tis_spi_phy *phy = to_tpm_tis_spi_phy(data); + /* + * Jiffies not increased during suspend, so we need to reset + * the time to wake Cr50 after resume. + */ + phy->wake_after = jiffies; + + return tpm_tis_resume(dev); +} +#endif diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 7270e7b69262..3259426f01dc 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1325,24 +1325,24 @@ static void set_console_size(struct port *port, u16 rows, u16 cols) port->cons.ws.ws_col = cols; } -static unsigned int fill_queue(struct virtqueue *vq, spinlock_t *lock) +static int fill_queue(struct virtqueue *vq, spinlock_t *lock) { struct port_buffer *buf; - unsigned int nr_added_bufs; + int nr_added_bufs; int ret; nr_added_bufs = 0; do { buf = alloc_buf(vq->vdev, PAGE_SIZE, 0); if (!buf) - break; + return -ENOMEM; spin_lock_irq(lock); ret = add_inbuf(vq, buf); if (ret < 0) { spin_unlock_irq(lock); free_buf(buf, true); - break; + return ret; } nr_added_bufs++; spin_unlock_irq(lock); @@ -1362,7 +1362,6 @@ static int add_port(struct ports_device *portdev, u32 id) char debugfs_name[16]; struct port *port; dev_t devt; - unsigned int nr_added_bufs; int err; port = kmalloc(sizeof(*port), GFP_KERNEL); @@ -1421,11 +1420,13 @@ static int add_port(struct ports_device *portdev, u32 id) spin_lock_init(&port->outvq_lock); init_waitqueue_head(&port->waitqueue); - /* Fill the in_vq with buffers so the host can send us data. */ - nr_added_bufs = fill_queue(port->in_vq, &port->inbuf_lock); - if (!nr_added_bufs) { + /* We can safely ignore ENOSPC because it means + * the queue already has buffers. Buffers are removed + * only by virtcons_remove(), not by unplug_port() + */ + err = fill_queue(port->in_vq, &port->inbuf_lock); + if (err < 0 && err != -ENOSPC) { dev_err(port->dev, "Error allocating inbufs\n"); - err = -ENOMEM; goto free_device; } @@ -2059,14 +2060,11 @@ static int virtcons_probe(struct virtio_device *vdev) INIT_WORK(&portdev->control_work, &control_work_handler); if (multiport) { - unsigned int nr_added_bufs; - spin_lock_init(&portdev->c_ivq_lock); spin_lock_init(&portdev->c_ovq_lock); - nr_added_bufs = fill_queue(portdev->c_ivq, - &portdev->c_ivq_lock); - if (!nr_added_bufs) { + err = fill_queue(portdev->c_ivq, &portdev->c_ivq_lock); + if (err < 0) { dev_err(&vdev->dev, "Error allocating buffers for control queue\n"); /* @@ -2077,7 +2075,7 @@ static int virtcons_probe(struct virtio_device *vdev) VIRTIO_CONSOLE_DEVICE_READY, 0); /* Device was functional: we need full cleanup. */ virtcons_remove(vdev); - return -ENOMEM; + return err; } } else { /* diff --git a/drivers/clk/at91/clk-main.c b/drivers/clk/at91/clk-main.c index 87083b3a2769..37c22667e831 100644 --- a/drivers/clk/at91/clk-main.c +++ b/drivers/clk/at91/clk-main.c @@ -297,7 +297,10 @@ static int clk_main_probe_frequency(struct regmap *regmap) regmap_read(regmap, AT91_CKGR_MCFR, &mcfr); if (mcfr & AT91_PMC_MAINRDY) return 0; - usleep_range(MAINF_LOOP_MIN_WAIT, MAINF_LOOP_MAX_WAIT); + if (system_state < SYSTEM_RUNNING) + udelay(MAINF_LOOP_MIN_WAIT); + else + usleep_range(MAINF_LOOP_MIN_WAIT, MAINF_LOOP_MAX_WAIT); } while (time_before(prep_time, timeout)); return -ETIMEDOUT; diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c index 9790ddfa5b3c..86238d5ecb4d 100644 --- a/drivers/clk/at91/sam9x60.c +++ b/drivers/clk/at91/sam9x60.c @@ -43,6 +43,7 @@ static const struct clk_pll_characteristics upll_characteristics = { }; static const struct clk_programmable_layout sam9x60_programmable_layout = { + .pres_mask = 0xff, .pres_shift = 8, .css_mask = 0x1f, .have_slck_mck = 0, diff --git a/drivers/clk/at91/sckc.c b/drivers/clk/at91/sckc.c index 9bfe9a28294a..fac0ca56d42d 100644 --- a/drivers/clk/at91/sckc.c +++ b/drivers/clk/at91/sckc.c @@ -76,7 +76,10 @@ static int clk_slow_osc_prepare(struct clk_hw *hw) writel(tmp | osc->bits->cr_osc32en, sckcr); - usleep_range(osc->startup_usec, osc->startup_usec + 1); + if (system_state < SYSTEM_RUNNING) + udelay(osc->startup_usec); + else + usleep_range(osc->startup_usec, osc->startup_usec + 1); return 0; } @@ -187,7 +190,10 @@ static int clk_slow_rc_osc_prepare(struct clk_hw *hw) writel(readl(sckcr) | osc->bits->cr_rcen, sckcr); - usleep_range(osc->startup_usec, osc->startup_usec + 1); + if (system_state < SYSTEM_RUNNING) + udelay(osc->startup_usec); + else + usleep_range(osc->startup_usec, osc->startup_usec + 1); return 0; } @@ -288,7 +294,10 @@ static int clk_sam9x5_slow_set_parent(struct clk_hw *hw, u8 index) writel(tmp, sckcr); - usleep_range(SLOWCK_SW_TIME_USEC, SLOWCK_SW_TIME_USEC + 1); + if (system_state < SYSTEM_RUNNING) + udelay(SLOWCK_SW_TIME_USEC); + else + usleep_range(SLOWCK_SW_TIME_USEC, SLOWCK_SW_TIME_USEC + 1); return 0; } @@ -533,7 +542,10 @@ static int clk_sama5d4_slow_osc_prepare(struct clk_hw *hw) return 0; } - usleep_range(osc->startup_usec, osc->startup_usec + 1); + if (system_state < SYSTEM_RUNNING) + udelay(osc->startup_usec); + else + usleep_range(osc->startup_usec, osc->startup_usec + 1); osc->prepared = true; return 0; diff --git a/drivers/clk/clk-ast2600.c b/drivers/clk/clk-ast2600.c index 1c1bb39bb04e..b1318e6b655b 100644 --- a/drivers/clk/clk-ast2600.c +++ b/drivers/clk/clk-ast2600.c @@ -266,10 +266,11 @@ static int aspeed_g6_clk_enable(struct clk_hw *hw) /* Enable clock */ if (gate->flags & CLK_GATE_SET_TO_DISABLE) { - regmap_write(gate->map, get_clock_reg(gate), clk); - } else { - /* Use set to clear register */ + /* Clock is clear to enable, so use set to clear register */ regmap_write(gate->map, get_clock_reg(gate) + 0x04, clk); + } else { + /* Clock is set to enable, so use write to set register */ + regmap_write(gate->map, get_clock_reg(gate), clk); } if (gate->reset_idx >= 0) { diff --git a/drivers/clk/imx/clk-imx8mm.c b/drivers/clk/imx/clk-imx8mm.c index 067ab876911d..172589e94f60 100644 --- a/drivers/clk/imx/clk-imx8mm.c +++ b/drivers/clk/imx/clk-imx8mm.c @@ -638,7 +638,7 @@ static int imx8mm_clocks_probe(struct platform_device *pdev) clks[IMX8MM_CLK_A53_DIV], clks[IMX8MM_CLK_A53_SRC], clks[IMX8MM_ARM_PLL_OUT], - clks[IMX8MM_CLK_24M]); + clks[IMX8MM_SYS_PLL1_800M]); imx_check_clocks(clks, ARRAY_SIZE(clks)); diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c index 47a4b44ba3cb..58b5acee3830 100644 --- a/drivers/clk/imx/clk-imx8mn.c +++ b/drivers/clk/imx/clk-imx8mn.c @@ -610,7 +610,7 @@ static int imx8mn_clocks_probe(struct platform_device *pdev) clks[IMX8MN_CLK_A53_DIV], clks[IMX8MN_CLK_A53_SRC], clks[IMX8MN_ARM_PLL_OUT], - clks[IMX8MN_CLK_24M]); + clks[IMX8MN_SYS_PLL1_800M]); imx_check_clocks(clks, ARRAY_SIZE(clks)); diff --git a/drivers/clk/meson/g12a.c b/drivers/clk/meson/g12a.c index ea4c791f106d..b3af61cc6fb9 100644 --- a/drivers/clk/meson/g12a.c +++ b/drivers/clk/meson/g12a.c @@ -343,6 +343,7 @@ static struct clk_regmap g12a_cpu_clk_premux0 = { .offset = HHI_SYS_CPU_CLK_CNTL0, .mask = 0x3, .shift = 0, + .flags = CLK_MUX_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ .name = "cpu_clk_dyn0_sel", @@ -353,8 +354,7 @@ static struct clk_regmap g12a_cpu_clk_premux0 = { { .hw = &g12a_fclk_div3.hw }, }, .num_parents = 3, - /* This sub-tree is used a parking clock */ - .flags = CLK_SET_RATE_NO_REPARENT, + .flags = CLK_SET_RATE_PARENT, }, }; @@ -410,6 +410,7 @@ static struct clk_regmap g12a_cpu_clk_postmux0 = { .offset = HHI_SYS_CPU_CLK_CNTL0, .mask = 0x1, .shift = 2, + .flags = CLK_MUX_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ .name = "cpu_clk_dyn0", @@ -466,6 +467,7 @@ static struct clk_regmap g12a_cpu_clk_dyn = { .offset = HHI_SYS_CPU_CLK_CNTL0, .mask = 0x1, .shift = 10, + .flags = CLK_MUX_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ .name = "cpu_clk_dyn", @@ -485,6 +487,7 @@ static struct clk_regmap g12a_cpu_clk = { .offset = HHI_SYS_CPU_CLK_CNTL0, .mask = 0x1, .shift = 11, + .flags = CLK_MUX_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ .name = "cpu_clk", @@ -504,6 +507,7 @@ static struct clk_regmap g12b_cpu_clk = { .offset = HHI_SYS_CPU_CLK_CNTL0, .mask = 0x1, .shift = 11, + .flags = CLK_MUX_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ .name = "cpu_clk", @@ -523,6 +527,7 @@ static struct clk_regmap g12b_cpub_clk_premux0 = { .offset = HHI_SYS_CPUB_CLK_CNTL, .mask = 0x3, .shift = 0, + .flags = CLK_MUX_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ .name = "cpub_clk_dyn0_sel", @@ -533,6 +538,7 @@ static struct clk_regmap g12b_cpub_clk_premux0 = { { .hw = &g12a_fclk_div3.hw }, }, .num_parents = 3, + .flags = CLK_SET_RATE_PARENT, }, }; @@ -567,6 +573,7 @@ static struct clk_regmap g12b_cpub_clk_postmux0 = { .offset = HHI_SYS_CPUB_CLK_CNTL, .mask = 0x1, .shift = 2, + .flags = CLK_MUX_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ .name = "cpub_clk_dyn0", @@ -644,6 +651,7 @@ static struct clk_regmap g12b_cpub_clk_dyn = { .offset = HHI_SYS_CPUB_CLK_CNTL, .mask = 0x1, .shift = 10, + .flags = CLK_MUX_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ .name = "cpub_clk_dyn", @@ -663,6 +671,7 @@ static struct clk_regmap g12b_cpub_clk = { .offset = HHI_SYS_CPUB_CLK_CNTL, .mask = 0x1, .shift = 11, + .flags = CLK_MUX_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ .name = "cpub_clk", diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c index 7cfb998eeb3e..1f9c056e684c 100644 --- a/drivers/clk/meson/gxbb.c +++ b/drivers/clk/meson/gxbb.c @@ -935,6 +935,7 @@ static struct clk_regmap gxbb_sar_adc_clk_div = { &gxbb_sar_adc_clk_sel.hw }, .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, }, }; diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 7670cc596c74..31466cd1842f 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -165,12 +165,18 @@ static const unsigned long exynos5x_clk_regs[] __initconst = { GATE_BUS_CPU, GATE_SCLK_CPU, CLKOUT_CMU_CPU, + CPLL_CON0, + DPLL_CON0, EPLL_CON0, EPLL_CON1, EPLL_CON2, RPLL_CON0, RPLL_CON1, RPLL_CON2, + IPLL_CON0, + SPLL_CON0, + VPLL_CON0, + MPLL_CON0, SRC_TOP0, SRC_TOP1, SRC_TOP2, @@ -1172,8 +1178,6 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = { GATE(CLK_SCLK_ISP_SENSOR2, "sclk_isp_sensor2", "dout_isp_sensor2", GATE_TOP_SCLK_ISP, 12, CLK_SET_RATE_PARENT, 0), - GATE(CLK_G3D, "g3d", "mout_user_aclk_g3d", GATE_IP_G3D, 9, 0, 0), - /* CDREX */ GATE(CLK_CLKM_PHY0, "clkm_phy0", "dout_sclk_cdrex", GATE_BUS_CDREX0, 0, 0, 0), @@ -1248,6 +1252,15 @@ static struct exynos5_subcmu_reg_dump exynos5x_gsc_suspend_regs[] = { { DIV2_RATIO0, 0, 0x30 }, /* DIV dout_gscl_blk_300 */ }; +static const struct samsung_gate_clock exynos5x_g3d_gate_clks[] __initconst = { + GATE(CLK_G3D, "g3d", "mout_user_aclk_g3d", GATE_IP_G3D, 9, 0, 0), +}; + +static struct exynos5_subcmu_reg_dump exynos5x_g3d_suspend_regs[] = { + { GATE_IP_G3D, 0x3ff, 0x3ff }, /* G3D gates */ + { SRC_TOP5, 0, BIT(16) }, /* MUX mout_user_aclk_g3d */ +}; + static const struct samsung_div_clock exynos5x_mfc_div_clks[] __initconst = { DIV(0, "dout_mfc_blk", "mout_user_aclk333", DIV4_RATIO, 0, 2), }; @@ -1320,6 +1333,14 @@ static const struct exynos5_subcmu_info exynos5x_gsc_subcmu = { .pd_name = "GSC", }; +static const struct exynos5_subcmu_info exynos5x_g3d_subcmu = { + .gate_clks = exynos5x_g3d_gate_clks, + .nr_gate_clks = ARRAY_SIZE(exynos5x_g3d_gate_clks), + .suspend_regs = exynos5x_g3d_suspend_regs, + .nr_suspend_regs = ARRAY_SIZE(exynos5x_g3d_suspend_regs), + .pd_name = "G3D", +}; + static const struct exynos5_subcmu_info exynos5x_mfc_subcmu = { .div_clks = exynos5x_mfc_div_clks, .nr_div_clks = ARRAY_SIZE(exynos5x_mfc_div_clks), @@ -1351,6 +1372,7 @@ static const struct exynos5_subcmu_info exynos5800_mau_subcmu = { static const struct exynos5_subcmu_info *exynos5x_subcmus[] = { &exynos5x_disp_subcmu, &exynos5x_gsc_subcmu, + &exynos5x_g3d_subcmu, &exynos5x_mfc_subcmu, &exynos5x_mscl_subcmu, }; @@ -1358,6 +1380,7 @@ static const struct exynos5_subcmu_info *exynos5x_subcmus[] = { static const struct exynos5_subcmu_info *exynos5800_subcmus[] = { &exynos5x_disp_subcmu, &exynos5x_gsc_subcmu, + &exynos5x_g3d_subcmu, &exynos5x_mfc_subcmu, &exynos5x_mscl_subcmu, &exynos5800_mau_subcmu, diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c index 7824c2ba3d8e..4b1aa9382ad2 100644 --- a/drivers/clk/samsung/clk-exynos5433.c +++ b/drivers/clk/samsung/clk-exynos5433.c @@ -13,6 +13,7 @@ #include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> +#include <linux/slab.h> #include <dt-bindings/clock/exynos5433.h> @@ -5584,6 +5585,8 @@ static int __init exynos5433_cmu_probe(struct platform_device *pdev) data->clk_save = samsung_clk_alloc_reg_dump(info->clk_regs, info->nr_clk_regs); + if (!data->clk_save) + return -ENOMEM; data->nr_clk_save = info->nr_clk_regs; data->clk_suspend = info->suspend_regs; data->nr_clk_suspend = info->nr_suspend_regs; @@ -5592,12 +5595,19 @@ static int __init exynos5433_cmu_probe(struct platform_device *pdev) if (data->nr_pclks > 0) { data->pclks = devm_kcalloc(dev, sizeof(struct clk *), data->nr_pclks, GFP_KERNEL); - + if (!data->pclks) { + kfree(data->clk_save); + return -ENOMEM; + } for (i = 0; i < data->nr_pclks; i++) { struct clk *clk = of_clk_get(dev->of_node, i); - if (IS_ERR(clk)) + if (IS_ERR(clk)) { + kfree(data->clk_save); + while (--i >= 0) + clk_put(data->pclks[i]); return PTR_ERR(clk); + } data->pclks[i] = clk; } } diff --git a/drivers/clk/sunxi-ng/ccu-sun9i-a80.c b/drivers/clk/sunxi-ng/ccu-sun9i-a80.c index dcac1391767f..ef29582676f6 100644 --- a/drivers/clk/sunxi-ng/ccu-sun9i-a80.c +++ b/drivers/clk/sunxi-ng/ccu-sun9i-a80.c @@ -1224,7 +1224,7 @@ static int sun9i_a80_ccu_probe(struct platform_device *pdev) /* Enforce d1 = 0, d2 = 0 for Audio PLL */ val = readl(reg + SUN9I_A80_PLL_AUDIO_REG); - val &= (BIT(16) & BIT(18)); + val &= ~(BIT(16) | BIT(18)); writel(val, reg + SUN9I_A80_PLL_AUDIO_REG); /* Enforce P = 1 for both CPU cluster PLLs */ diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c index d3a43381a792..27201fd26e44 100644 --- a/drivers/clk/sunxi/clk-sunxi.c +++ b/drivers/clk/sunxi/clk-sunxi.c @@ -1080,8 +1080,8 @@ static struct clk ** __init sunxi_divs_clk_setup(struct device_node *node, rate_hw, rate_ops, gate_hw, &clk_gate_ops, clkflags | - data->div[i].critical ? - CLK_IS_CRITICAL : 0); + (data->div[i].critical ? + CLK_IS_CRITICAL : 0)); WARN_ON(IS_ERR(clk_data->clks[i])); } diff --git a/drivers/clk/ti/clk-dra7-atl.c b/drivers/clk/ti/clk-dra7-atl.c index a01ca9395179..f65e16c4f3c4 100644 --- a/drivers/clk/ti/clk-dra7-atl.c +++ b/drivers/clk/ti/clk-dra7-atl.c @@ -174,7 +174,6 @@ static void __init of_dra7_atl_clock_setup(struct device_node *node) struct clk_init_data init = { NULL }; const char **parent_names = NULL; struct clk *clk; - int ret; clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL); if (!clk_hw) { @@ -207,11 +206,6 @@ static void __init of_dra7_atl_clock_setup(struct device_node *node) clk = ti_clk_register(NULL, &clk_hw->hw, node->name); if (!IS_ERR(clk)) { - ret = ti_clk_add_alias(NULL, clk, node->name); - if (ret) { - clk_unregister(clk); - goto cleanup; - } of_clk_add_provider(node, of_clk_src_simple_get, clk); kfree(parent_names); return; diff --git a/drivers/clk/ti/clkctrl.c b/drivers/clk/ti/clkctrl.c index 975995eea15c..b0c0690a5a12 100644 --- a/drivers/clk/ti/clkctrl.c +++ b/drivers/clk/ti/clkctrl.c @@ -100,11 +100,12 @@ static bool _omap4_is_timeout(union omap4_timeout *time, u32 timeout) * can be from a timer that requires pm_runtime access, which * will eventually bring us here with timekeeping_suspended, * during both suspend entry and resume paths. This happens - * at least on am43xx platform. + * at least on am43xx platform. Account for flakeyness + * with udelay() by multiplying the timeout value by 2. */ if (unlikely(_early_timeout || timekeeping_suspended)) { if (time->cycles++ < timeout) { - udelay(1); + udelay(1 * 2); return false; } } else { diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c index 354b27d14a19..62812f80b5cc 100644 --- a/drivers/clocksource/sh_mtu2.c +++ b/drivers/clocksource/sh_mtu2.c @@ -328,12 +328,13 @@ static int sh_mtu2_register(struct sh_mtu2_channel *ch, const char *name) return 0; } +static const unsigned int sh_mtu2_channel_offsets[] = { + 0x300, 0x380, 0x000, +}; + static int sh_mtu2_setup_channel(struct sh_mtu2_channel *ch, unsigned int index, struct sh_mtu2_device *mtu) { - static const unsigned int channel_offsets[] = { - 0x300, 0x380, 0x000, - }; char name[6]; int irq; int ret; @@ -356,7 +357,7 @@ static int sh_mtu2_setup_channel(struct sh_mtu2_channel *ch, unsigned int index, return ret; } - ch->base = mtu->mapbase + channel_offsets[index]; + ch->base = mtu->mapbase + sh_mtu2_channel_offsets[index]; ch->index = index; return sh_mtu2_register(ch, dev_name(&mtu->pdev->dev)); @@ -408,7 +409,12 @@ static int sh_mtu2_setup(struct sh_mtu2_device *mtu, } /* Allocate and setup the channels. */ - mtu->num_channels = 3; + ret = platform_irq_count(pdev); + if (ret < 0) + goto err_unmap; + + mtu->num_channels = min_t(unsigned int, ret, + ARRAY_SIZE(sh_mtu2_channel_offsets)); mtu->channels = kcalloc(mtu->num_channels, sizeof(*mtu->channels), GFP_KERNEL); diff --git a/drivers/clocksource/timer-mediatek.c b/drivers/clocksource/timer-mediatek.c index a562f491b0f8..9318edcd8963 100644 --- a/drivers/clocksource/timer-mediatek.c +++ b/drivers/clocksource/timer-mediatek.c @@ -268,15 +268,12 @@ static int __init mtk_syst_init(struct device_node *node) ret = timer_of_init(node, &to); if (ret) - goto err; + return ret; clockevents_config_and_register(&to.clkevt, timer_of_rate(&to), TIMER_SYNC_TICKS, 0xffffffff); return 0; -err: - timer_of_cleanup(&to); - return ret; } static int __init mtk_gpt_init(struct device_node *node) @@ -293,7 +290,7 @@ static int __init mtk_gpt_init(struct device_node *node) ret = timer_of_init(node, &to); if (ret) - goto err; + return ret; /* Configure clock source */ mtk_gpt_setup(&to, TIMER_CLK_SRC, GPT_CTRL_OP_FREERUN); @@ -311,9 +308,6 @@ static int __init mtk_gpt_init(struct device_node *node) mtk_gpt_enable_irq(&to, TIMER_CLK_EVT); return 0; -err: - timer_of_cleanup(&to); - return ret; } TIMER_OF_DECLARE(mtk_mt6577, "mediatek,mt6577-timer", mtk_gpt_init); TIMER_OF_DECLARE(mtk_mt6765, "mediatek,mt6765-timer", mtk_syst_init); diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index c52d6fa32aac..48a224a6b178 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -720,7 +720,7 @@ static ssize_t store_##file_name \ if (ret != 1) \ return -EINVAL; \ \ - ret = dev_pm_qos_update_request(policy->object##_freq_req, val);\ + ret = freq_qos_update_request(policy->object##_freq_req, val);\ return ret >= 0 ? count : ret; \ } @@ -1202,19 +1202,21 @@ static struct cpufreq_policy *cpufreq_policy_alloc(unsigned int cpu) goto err_free_real_cpus; } + freq_constraints_init(&policy->constraints); + policy->nb_min.notifier_call = cpufreq_notifier_min; policy->nb_max.notifier_call = cpufreq_notifier_max; - ret = dev_pm_qos_add_notifier(dev, &policy->nb_min, - DEV_PM_QOS_MIN_FREQUENCY); + ret = freq_qos_add_notifier(&policy->constraints, FREQ_QOS_MIN, + &policy->nb_min); if (ret) { dev_err(dev, "Failed to register MIN QoS notifier: %d (%*pbl)\n", ret, cpumask_pr_args(policy->cpus)); goto err_kobj_remove; } - ret = dev_pm_qos_add_notifier(dev, &policy->nb_max, - DEV_PM_QOS_MAX_FREQUENCY); + ret = freq_qos_add_notifier(&policy->constraints, FREQ_QOS_MAX, + &policy->nb_max); if (ret) { dev_err(dev, "Failed to register MAX QoS notifier: %d (%*pbl)\n", ret, cpumask_pr_args(policy->cpus)); @@ -1232,8 +1234,8 @@ static struct cpufreq_policy *cpufreq_policy_alloc(unsigned int cpu) return policy; err_min_qos_notifier: - dev_pm_qos_remove_notifier(dev, &policy->nb_min, - DEV_PM_QOS_MIN_FREQUENCY); + freq_qos_remove_notifier(&policy->constraints, FREQ_QOS_MIN, + &policy->nb_min); err_kobj_remove: cpufreq_policy_put_kobj(policy); err_free_real_cpus: @@ -1250,7 +1252,6 @@ err_free_policy: static void cpufreq_policy_free(struct cpufreq_policy *policy) { - struct device *dev = get_cpu_device(policy->cpu); unsigned long flags; int cpu; @@ -1262,10 +1263,13 @@ static void cpufreq_policy_free(struct cpufreq_policy *policy) per_cpu(cpufreq_cpu_data, cpu) = NULL; write_unlock_irqrestore(&cpufreq_driver_lock, flags); - dev_pm_qos_remove_notifier(dev, &policy->nb_max, - DEV_PM_QOS_MAX_FREQUENCY); - dev_pm_qos_remove_notifier(dev, &policy->nb_min, - DEV_PM_QOS_MIN_FREQUENCY); + freq_qos_remove_notifier(&policy->constraints, FREQ_QOS_MAX, + &policy->nb_max); + freq_qos_remove_notifier(&policy->constraints, FREQ_QOS_MIN, + &policy->nb_min); + + /* Cancel any pending policy->update work before freeing the policy. */ + cancel_work_sync(&policy->update); if (policy->max_freq_req) { /* @@ -1274,10 +1278,10 @@ static void cpufreq_policy_free(struct cpufreq_policy *policy) */ blocking_notifier_call_chain(&cpufreq_policy_notifier_list, CPUFREQ_REMOVE_POLICY, policy); - dev_pm_qos_remove_request(policy->max_freq_req); + freq_qos_remove_request(policy->max_freq_req); } - dev_pm_qos_remove_request(policy->min_freq_req); + freq_qos_remove_request(policy->min_freq_req); kfree(policy->min_freq_req); cpufreq_policy_put_kobj(policy); @@ -1357,8 +1361,6 @@ static int cpufreq_online(unsigned int cpu) cpumask_and(policy->cpus, policy->cpus, cpu_online_mask); if (new_policy) { - struct device *dev = get_cpu_device(cpu); - for_each_cpu(j, policy->related_cpus) { per_cpu(cpufreq_cpu_data, j) = policy; add_cpu_dev_symlink(policy, j); @@ -1369,36 +1371,31 @@ static int cpufreq_online(unsigned int cpu) if (!policy->min_freq_req) goto out_destroy_policy; - ret = dev_pm_qos_add_request(dev, policy->min_freq_req, - DEV_PM_QOS_MIN_FREQUENCY, - policy->min); + ret = freq_qos_add_request(&policy->constraints, + policy->min_freq_req, FREQ_QOS_MIN, + policy->min); if (ret < 0) { /* - * So we don't call dev_pm_qos_remove_request() for an + * So we don't call freq_qos_remove_request() for an * uninitialized request. */ kfree(policy->min_freq_req); policy->min_freq_req = NULL; - - dev_err(dev, "Failed to add min-freq constraint (%d)\n", - ret); goto out_destroy_policy; } /* * This must be initialized right here to avoid calling - * dev_pm_qos_remove_request() on uninitialized request in case + * freq_qos_remove_request() on uninitialized request in case * of errors. */ policy->max_freq_req = policy->min_freq_req + 1; - ret = dev_pm_qos_add_request(dev, policy->max_freq_req, - DEV_PM_QOS_MAX_FREQUENCY, - policy->max); + ret = freq_qos_add_request(&policy->constraints, + policy->max_freq_req, FREQ_QOS_MAX, + policy->max); if (ret < 0) { policy->max_freq_req = NULL; - dev_err(dev, "Failed to add max-freq constraint (%d)\n", - ret); goto out_destroy_policy; } @@ -2374,7 +2371,6 @@ int cpufreq_set_policy(struct cpufreq_policy *policy, struct cpufreq_policy *new_policy) { struct cpufreq_governor *old_gov; - struct device *cpu_dev = get_cpu_device(policy->cpu); int ret; pr_debug("setting new policy for CPU %u: %u - %u kHz\n", @@ -2386,8 +2382,8 @@ int cpufreq_set_policy(struct cpufreq_policy *policy, * PM QoS framework collects all the requests from users and provide us * the final aggregated value here. */ - new_policy->min = dev_pm_qos_read_value(cpu_dev, DEV_PM_QOS_MIN_FREQUENCY); - new_policy->max = dev_pm_qos_read_value(cpu_dev, DEV_PM_QOS_MAX_FREQUENCY); + new_policy->min = freq_qos_read_value(&policy->constraints, FREQ_QOS_MIN); + new_policy->max = freq_qos_read_value(&policy->constraints, FREQ_QOS_MAX); /* verify the cpu speed can be set within this limit */ ret = cpufreq_driver->verify(new_policy); @@ -2518,7 +2514,7 @@ static int cpufreq_boost_set_sw(int state) break; } - ret = dev_pm_qos_update_request(policy->max_freq_req, policy->max); + ret = freq_qos_update_request(policy->max_freq_req, policy->max); if (ret < 0) break; } @@ -2737,14 +2733,6 @@ int cpufreq_unregister_driver(struct cpufreq_driver *driver) } EXPORT_SYMBOL_GPL(cpufreq_unregister_driver); -/* - * Stop cpufreq at shutdown to make sure it isn't holding any locks - * or mutexes when secondary CPUs are halted. - */ -static struct syscore_ops cpufreq_syscore_ops = { - .shutdown = cpufreq_suspend, -}; - struct kobject *cpufreq_global_kobject; EXPORT_SYMBOL(cpufreq_global_kobject); @@ -2756,8 +2744,6 @@ static int __init cpufreq_core_init(void) cpufreq_global_kobject = kobject_create_and_add("cpufreq", &cpu_subsys.dev_root->kobj); BUG_ON(!cpufreq_global_kobject); - register_syscore_ops(&cpufreq_syscore_ops); - return 0; } module_param(off, int, 0444); diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 9f02de9a1b47..8ab31702cf6a 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -847,11 +847,9 @@ static void intel_pstate_hwp_force_min_perf(int cpu) value |= HWP_MAX_PERF(min_perf); value |= HWP_MIN_PERF(min_perf); - /* Set EPP/EPB to min */ + /* Set EPP to min */ if (boot_cpu_has(X86_FEATURE_HWP_EPP)) value |= HWP_ENERGY_PERF_PREFERENCE(HWP_EPP_POWERSAVE); - else - intel_pstate_set_epb(cpu, HWP_EPP_BALANCE_POWERSAVE); wrmsrl_on_cpu(cpu, MSR_HWP_REQUEST, value); } @@ -1088,10 +1086,10 @@ static ssize_t store_no_turbo(struct kobject *a, struct kobj_attribute *b, static struct cpufreq_driver intel_pstate; -static void update_qos_request(enum dev_pm_qos_req_type type) +static void update_qos_request(enum freq_qos_req_type type) { int max_state, turbo_max, freq, i, perf_pct; - struct dev_pm_qos_request *req; + struct freq_qos_request *req; struct cpufreq_policy *policy; for_each_possible_cpu(i) { @@ -1112,7 +1110,7 @@ static void update_qos_request(enum dev_pm_qos_req_type type) else turbo_max = cpu->pstate.turbo_pstate; - if (type == DEV_PM_QOS_MIN_FREQUENCY) { + if (type == FREQ_QOS_MIN) { perf_pct = global.min_perf_pct; } else { req++; @@ -1122,7 +1120,7 @@ static void update_qos_request(enum dev_pm_qos_req_type type) freq = DIV_ROUND_UP(turbo_max * perf_pct, 100); freq *= cpu->pstate.scaling; - if (dev_pm_qos_update_request(req, freq) < 0) + if (freq_qos_update_request(req, freq) < 0) pr_warn("Failed to update freq constraint: CPU%d\n", i); } } @@ -1153,7 +1151,7 @@ static ssize_t store_max_perf_pct(struct kobject *a, struct kobj_attribute *b, if (intel_pstate_driver == &intel_pstate) intel_pstate_update_policies(); else - update_qos_request(DEV_PM_QOS_MAX_FREQUENCY); + update_qos_request(FREQ_QOS_MAX); mutex_unlock(&intel_pstate_driver_lock); @@ -1187,7 +1185,7 @@ static ssize_t store_min_perf_pct(struct kobject *a, struct kobj_attribute *b, if (intel_pstate_driver == &intel_pstate) intel_pstate_update_policies(); else - update_qos_request(DEV_PM_QOS_MIN_FREQUENCY); + update_qos_request(FREQ_QOS_MIN); mutex_unlock(&intel_pstate_driver_lock); @@ -2381,7 +2379,7 @@ static unsigned int intel_cpufreq_fast_switch(struct cpufreq_policy *policy, static int intel_cpufreq_cpu_init(struct cpufreq_policy *policy) { int max_state, turbo_max, min_freq, max_freq, ret; - struct dev_pm_qos_request *req; + struct freq_qos_request *req; struct cpudata *cpu; struct device *dev; @@ -2416,15 +2414,15 @@ static int intel_cpufreq_cpu_init(struct cpufreq_policy *policy) max_freq = DIV_ROUND_UP(turbo_max * global.max_perf_pct, 100); max_freq *= cpu->pstate.scaling; - ret = dev_pm_qos_add_request(dev, req, DEV_PM_QOS_MIN_FREQUENCY, - min_freq); + ret = freq_qos_add_request(&policy->constraints, req, FREQ_QOS_MIN, + min_freq); if (ret < 0) { dev_err(dev, "Failed to add min-freq constraint (%d)\n", ret); goto free_req; } - ret = dev_pm_qos_add_request(dev, req + 1, DEV_PM_QOS_MAX_FREQUENCY, - max_freq); + ret = freq_qos_add_request(&policy->constraints, req + 1, FREQ_QOS_MAX, + max_freq); if (ret < 0) { dev_err(dev, "Failed to add max-freq constraint (%d)\n", ret); goto remove_min_req; @@ -2435,7 +2433,7 @@ static int intel_cpufreq_cpu_init(struct cpufreq_policy *policy) return 0; remove_min_req: - dev_pm_qos_remove_request(req); + freq_qos_remove_request(req); free_req: kfree(req); pstate_exit: @@ -2446,12 +2444,12 @@ pstate_exit: static int intel_cpufreq_cpu_exit(struct cpufreq_policy *policy) { - struct dev_pm_qos_request *req; + struct freq_qos_request *req; req = policy->driver_data; - dev_pm_qos_remove_request(req + 1); - dev_pm_qos_remove_request(req); + freq_qos_remove_request(req + 1); + freq_qos_remove_request(req); kfree(req); return intel_pstate_cpu_exit(policy); diff --git a/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c b/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c index bc9dd30395c4..037fe23bc6ed 100644 --- a/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c +++ b/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c @@ -65,7 +65,7 @@ EXPORT_SYMBOL_GPL(cbe_cpufreq_set_pmode_pmi); static void cbe_cpufreq_handle_pmi(pmi_message_t pmi_msg) { struct cpufreq_policy *policy; - struct dev_pm_qos_request *req; + struct freq_qos_request *req; u8 node, slow_mode; int cpu, ret; @@ -86,7 +86,7 @@ static void cbe_cpufreq_handle_pmi(pmi_message_t pmi_msg) req = policy->driver_data; - ret = dev_pm_qos_update_request(req, + ret = freq_qos_update_request(req, policy->freq_table[slow_mode].frequency); if (ret < 0) pr_warn("Failed to update freq constraint: %d\n", ret); @@ -103,7 +103,7 @@ static struct pmi_handler cbe_pmi_handler = { void cbe_cpufreq_pmi_policy_init(struct cpufreq_policy *policy) { - struct dev_pm_qos_request *req; + struct freq_qos_request *req; int ret; if (!cbe_cpufreq_has_pmi) @@ -113,9 +113,8 @@ void cbe_cpufreq_pmi_policy_init(struct cpufreq_policy *policy) if (!req) return; - ret = dev_pm_qos_add_request(get_cpu_device(policy->cpu), req, - DEV_PM_QOS_MAX_FREQUENCY, - policy->freq_table[0].frequency); + ret = freq_qos_add_request(&policy->constraints, req, FREQ_QOS_MAX, + policy->freq_table[0].frequency); if (ret < 0) { pr_err("Failed to add freq constraint (%d)\n", ret); kfree(req); @@ -128,10 +127,10 @@ EXPORT_SYMBOL_GPL(cbe_cpufreq_pmi_policy_init); void cbe_cpufreq_pmi_policy_exit(struct cpufreq_policy *policy) { - struct dev_pm_qos_request *req = policy->driver_data; + struct freq_qos_request *req = policy->driver_data; if (cbe_cpufreq_has_pmi) { - dev_pm_qos_remove_request(req); + freq_qos_remove_request(req); kfree(req); } } diff --git a/drivers/cpuidle/cpuidle-haltpoll.c b/drivers/cpuidle/cpuidle-haltpoll.c index 932390b028f1..b0ce9bc78113 100644 --- a/drivers/cpuidle/cpuidle-haltpoll.c +++ b/drivers/cpuidle/cpuidle-haltpoll.c @@ -95,6 +95,10 @@ static int __init haltpoll_init(void) int ret; struct cpuidle_driver *drv = &haltpoll_driver; + /* Do not load haltpoll if idle= is passed */ + if (boot_option_idle_override != IDLE_NO_OVERRIDE) + return -ENODEV; + cpuidle_poll_state_init(drv); if (!kvm_para_available() || diff --git a/drivers/crypto/chelsio/chtls/chtls_cm.c b/drivers/crypto/chelsio/chtls/chtls_cm.c index 774d991d7cca..aca75237bbcf 100644 --- a/drivers/crypto/chelsio/chtls/chtls_cm.c +++ b/drivers/crypto/chelsio/chtls/chtls_cm.c @@ -1297,7 +1297,7 @@ static void make_established(struct sock *sk, u32 snd_isn, unsigned int opt) tp->write_seq = snd_isn; tp->snd_nxt = snd_isn; tp->snd_una = snd_isn; - inet_sk(sk)->inet_id = tp->write_seq ^ jiffies; + inet_sk(sk)->inet_id = prandom_u32(); assign_rxopt(sk, opt); if (tp->rcv_wnd > (RCV_BUFSIZ_M << 10)) diff --git a/drivers/crypto/chelsio/chtls/chtls_io.c b/drivers/crypto/chelsio/chtls/chtls_io.c index 0891ab829b1b..98bc5a4cd5e7 100644 --- a/drivers/crypto/chelsio/chtls/chtls_io.c +++ b/drivers/crypto/chelsio/chtls/chtls_io.c @@ -1702,7 +1702,7 @@ int chtls_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, return peekmsg(sk, msg, len, nonblock, flags); if (sk_can_busy_loop(sk) && - skb_queue_empty(&sk->sk_receive_queue) && + skb_queue_empty_lockless(&sk->sk_receive_queue) && sk->sk_state == TCP_ESTABLISHED) sk_busy_loop(sk, nonblock); diff --git a/drivers/dma-buf/dma-resv.c b/drivers/dma-buf/dma-resv.c index 42a8f3f11681..709002515550 100644 --- a/drivers/dma-buf/dma-resv.c +++ b/drivers/dma-buf/dma-resv.c @@ -471,7 +471,7 @@ unlock: if (pfence_excl) *pfence_excl = fence_excl; else if (fence_excl) - shared[++shared_count] = fence_excl; + shared[shared_count++] = fence_excl; if (!shared_count) { kfree(shared); diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 9ba74ab7e912..c27e206a764c 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1707,6 +1707,14 @@ static void sdma_add_scripts(struct sdma_engine *sdma, if (!sdma->script_number) sdma->script_number = SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1; + if (sdma->script_number > sizeof(struct sdma_script_start_addrs) + / sizeof(s32)) { + dev_err(sdma->dev, + "SDMA script number %d not match with firmware.\n", + sdma->script_number); + return; + } + for (i = 0; i < sdma->script_number; i++) if (addr_arr[i] > 0) saddr_arr[i] = addr_arr[i]; diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c index 8e90a405939d..ef73f65224b1 100644 --- a/drivers/dma/qcom/bam_dma.c +++ b/drivers/dma/qcom/bam_dma.c @@ -694,6 +694,25 @@ static int bam_dma_terminate_all(struct dma_chan *chan) /* remove all transactions, including active transaction */ spin_lock_irqsave(&bchan->vc.lock, flag); + /* + * If we have transactions queued, then some might be committed to the + * hardware in the desc fifo. The only way to reset the desc fifo is + * to do a hardware reset (either by pipe or the entire block). + * bam_chan_init_hw() will trigger a pipe reset, and also reinit the + * pipe. If the pipe is left disabled (default state after pipe reset) + * and is accessed by a connected hardware engine, a fatal error in + * the BAM will occur. There is a small window where this could happen + * with bam_chan_init_hw(), but it is assumed that the caller has + * stopped activity on any attached hardware engine. Make sure to do + * this first so that the BAM hardware doesn't cause memory corruption + * by accessing freed resources. + */ + if (!list_empty(&bchan->desc_list)) { + async_desc = list_first_entry(&bchan->desc_list, + struct bam_async_desc, desc_node); + bam_chan_init_hw(bchan, async_desc->dir); + } + list_for_each_entry_safe(async_desc, tmp, &bchan->desc_list, desc_node) { list_add(&async_desc->vd.node, &bchan->vc.desc_issued); diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c index 525dc7338fe3..8546ad034720 100644 --- a/drivers/dma/sprd-dma.c +++ b/drivers/dma/sprd-dma.c @@ -134,6 +134,10 @@ #define SPRD_DMA_SRC_TRSF_STEP_OFFSET 0 #define SPRD_DMA_TRSF_STEP_MASK GENMASK(15, 0) +/* SPRD DMA_SRC_BLK_STEP register definition */ +#define SPRD_DMA_LLIST_HIGH_MASK GENMASK(31, 28) +#define SPRD_DMA_LLIST_HIGH_SHIFT 28 + /* define DMA channel mode & trigger mode mask */ #define SPRD_DMA_CHN_MODE_MASK GENMASK(7, 0) #define SPRD_DMA_TRG_MODE_MASK GENMASK(7, 0) @@ -208,6 +212,7 @@ struct sprd_dma_dev { struct sprd_dma_chn channels[0]; }; +static void sprd_dma_free_desc(struct virt_dma_desc *vd); static bool sprd_dma_filter_fn(struct dma_chan *chan, void *param); static struct of_dma_filter_info sprd_dma_info = { .filter_fn = sprd_dma_filter_fn, @@ -609,12 +614,19 @@ static int sprd_dma_alloc_chan_resources(struct dma_chan *chan) static void sprd_dma_free_chan_resources(struct dma_chan *chan) { struct sprd_dma_chn *schan = to_sprd_dma_chan(chan); + struct virt_dma_desc *cur_vd = NULL; unsigned long flags; spin_lock_irqsave(&schan->vc.lock, flags); + if (schan->cur_desc) + cur_vd = &schan->cur_desc->vd; + sprd_dma_stop(schan); spin_unlock_irqrestore(&schan->vc.lock, flags); + if (cur_vd) + sprd_dma_free_desc(cur_vd); + vchan_free_chan_resources(&schan->vc); pm_runtime_put(chan->device->dev); } @@ -717,6 +729,7 @@ static int sprd_dma_fill_desc(struct dma_chan *chan, u32 int_mode = flags & SPRD_DMA_INT_MASK; int src_datawidth, dst_datawidth, src_step, dst_step; u32 temp, fix_mode = 0, fix_en = 0; + phys_addr_t llist_ptr; if (dir == DMA_MEM_TO_DEV) { src_step = sprd_dma_get_step(slave_cfg->src_addr_width); @@ -814,13 +827,16 @@ static int sprd_dma_fill_desc(struct dma_chan *chan, * Set the link-list pointer point to next link-list * configuration's physical address. */ - hw->llist_ptr = schan->linklist.phy_addr + temp; + llist_ptr = schan->linklist.phy_addr + temp; + hw->llist_ptr = lower_32_bits(llist_ptr); + hw->src_blk_step = (upper_32_bits(llist_ptr) << SPRD_DMA_LLIST_HIGH_SHIFT) & + SPRD_DMA_LLIST_HIGH_MASK; } else { hw->llist_ptr = 0; + hw->src_blk_step = 0; } hw->frg_step = 0; - hw->src_blk_step = 0; hw->des_blk_step = 0; return 0; } @@ -1023,15 +1039,22 @@ static int sprd_dma_resume(struct dma_chan *chan) static int sprd_dma_terminate_all(struct dma_chan *chan) { struct sprd_dma_chn *schan = to_sprd_dma_chan(chan); + struct virt_dma_desc *cur_vd = NULL; unsigned long flags; LIST_HEAD(head); spin_lock_irqsave(&schan->vc.lock, flags); + if (schan->cur_desc) + cur_vd = &schan->cur_desc->vd; + sprd_dma_stop(schan); vchan_get_all_descriptors(&schan->vc, &head); spin_unlock_irqrestore(&schan->vc.lock, flags); + if (cur_vd) + sprd_dma_free_desc(cur_vd); + vchan_dma_desc_free_list(&schan->vc, &head); return 0; } diff --git a/drivers/dma/tegra210-adma.c b/drivers/dma/tegra210-adma.c index 5f8adf5c1f20..6e1268552f74 100644 --- a/drivers/dma/tegra210-adma.c +++ b/drivers/dma/tegra210-adma.c @@ -40,6 +40,7 @@ #define ADMA_CH_CONFIG_MAX_BURST_SIZE 16 #define ADMA_CH_CONFIG_WEIGHT_FOR_WRR(val) ((val) & 0xf) #define ADMA_CH_CONFIG_MAX_BUFS 8 +#define TEGRA186_ADMA_CH_CONFIG_OUTSTANDING_REQS(reqs) (reqs << 4) #define ADMA_CH_FIFO_CTRL 0x2c #define TEGRA210_ADMA_CH_FIFO_CTRL_TXSIZE(val) (((val) & 0xf) << 8) @@ -77,6 +78,7 @@ struct tegra_adma; * @ch_req_tx_shift: Register offset for AHUB transmit channel select. * @ch_req_rx_shift: Register offset for AHUB receive channel select. * @ch_base_offset: Register offset of DMA channel registers. + * @has_outstanding_reqs: If DMA channel can have outstanding requests. * @ch_fifo_ctrl: Default value for channel FIFO CTRL register. * @ch_req_mask: Mask for Tx or Rx channel select. * @ch_req_max: Maximum number of Tx or Rx channels available. @@ -95,6 +97,7 @@ struct tegra_adma_chip_data { unsigned int ch_req_max; unsigned int ch_reg_size; unsigned int nr_channels; + bool has_outstanding_reqs; }; /* @@ -594,6 +597,8 @@ static int tegra_adma_set_xfer_params(struct tegra_adma_chan *tdc, ADMA_CH_CTRL_FLOWCTRL_EN; ch_regs->config |= cdata->adma_get_burst_config(burst_size); ch_regs->config |= ADMA_CH_CONFIG_WEIGHT_FOR_WRR(1); + if (cdata->has_outstanding_reqs) + ch_regs->config |= TEGRA186_ADMA_CH_CONFIG_OUTSTANDING_REQS(8); ch_regs->fifo_ctrl = cdata->ch_fifo_ctrl; ch_regs->tc = desc->period_len & ADMA_CH_TC_COUNT_MASK; @@ -778,6 +783,7 @@ static const struct tegra_adma_chip_data tegra210_chip_data = { .ch_req_tx_shift = 28, .ch_req_rx_shift = 24, .ch_base_offset = 0, + .has_outstanding_reqs = false, .ch_fifo_ctrl = TEGRA210_FIFO_CTRL_DEFAULT, .ch_req_mask = 0xf, .ch_req_max = 10, @@ -792,6 +798,7 @@ static const struct tegra_adma_chip_data tegra186_chip_data = { .ch_req_tx_shift = 27, .ch_req_rx_shift = 22, .ch_base_offset = 0x10000, + .has_outstanding_reqs = true, .ch_fifo_ctrl = TEGRA186_FIFO_CTRL_DEFAULT, .ch_req_mask = 0x1f, .ch_req_max = 20, diff --git a/drivers/dma/ti/cppi41.c b/drivers/dma/ti/cppi41.c index 2f946f55076c..8c2f7ebe998c 100644 --- a/drivers/dma/ti/cppi41.c +++ b/drivers/dma/ti/cppi41.c @@ -586,9 +586,22 @@ static struct dma_async_tx_descriptor *cppi41_dma_prep_slave_sg( enum dma_transfer_direction dir, unsigned long tx_flags, void *context) { struct cppi41_channel *c = to_cpp41_chan(chan); + struct dma_async_tx_descriptor *txd = NULL; + struct cppi41_dd *cdd = c->cdd; struct cppi41_desc *d; struct scatterlist *sg; unsigned int i; + int error; + + error = pm_runtime_get(cdd->ddev.dev); + if (error < 0) { + pm_runtime_put_noidle(cdd->ddev.dev); + + return NULL; + } + + if (cdd->is_suspended) + goto err_out_not_ready; d = c->desc; for_each_sg(sgl, sg, sg_len, i) { @@ -611,7 +624,13 @@ static struct dma_async_tx_descriptor *cppi41_dma_prep_slave_sg( d++; } - return &c->txd; + txd = &c->txd; + +err_out_not_ready: + pm_runtime_mark_last_busy(cdd->ddev.dev); + pm_runtime_put_autosuspend(cdd->ddev.dev); + + return txd; } static void cppi41_compute_td_desc(struct cppi41_desc *d) diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index e7dc3c4dc8e0..5d56f1e4d332 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -68,6 +68,9 @@ #define XILINX_DMA_DMACR_CIRC_EN BIT(1) #define XILINX_DMA_DMACR_RUNSTOP BIT(0) #define XILINX_DMA_DMACR_FSYNCSRC_MASK GENMASK(6, 5) +#define XILINX_DMA_DMACR_DELAY_MASK GENMASK(31, 24) +#define XILINX_DMA_DMACR_FRAME_COUNT_MASK GENMASK(23, 16) +#define XILINX_DMA_DMACR_MASTER_MASK GENMASK(11, 8) #define XILINX_DMA_REG_DMASR 0x0004 #define XILINX_DMA_DMASR_EOL_LATE_ERR BIT(15) @@ -1354,7 +1357,8 @@ static void xilinx_dma_start_transfer(struct xilinx_dma_chan *chan) node); hw = &segment->hw; - xilinx_write(chan, XILINX_DMA_REG_SRCDSTADDR, hw->buf_addr); + xilinx_write(chan, XILINX_DMA_REG_SRCDSTADDR, + xilinx_prep_dma_addr_t(hw->buf_addr)); /* Start the transfer */ dma_ctrl_write(chan, XILINX_DMA_REG_BTT, @@ -2117,8 +2121,10 @@ int xilinx_vdma_channel_set_config(struct dma_chan *dchan, chan->config.gen_lock = cfg->gen_lock; chan->config.master = cfg->master; + dmacr &= ~XILINX_DMA_DMACR_GENLOCK_EN; if (cfg->gen_lock && chan->genlock) { dmacr |= XILINX_DMA_DMACR_GENLOCK_EN; + dmacr &= ~XILINX_DMA_DMACR_MASTER_MASK; dmacr |= cfg->master << XILINX_DMA_DMACR_MASTER_SHIFT; } @@ -2134,11 +2140,13 @@ int xilinx_vdma_channel_set_config(struct dma_chan *dchan, chan->config.delay = cfg->delay; if (cfg->coalesc <= XILINX_DMA_DMACR_FRAME_COUNT_MAX) { + dmacr &= ~XILINX_DMA_DMACR_FRAME_COUNT_MASK; dmacr |= cfg->coalesc << XILINX_DMA_DMACR_FRAME_COUNT_SHIFT; chan->config.coalesc = cfg->coalesc; } if (cfg->delay <= XILINX_DMA_DMACR_DELAY_MAX) { + dmacr &= ~XILINX_DMA_DMACR_DELAY_MASK; dmacr |= cfg->delay << XILINX_DMA_DMACR_DELAY_SHIFT; chan->config.delay = cfg->delay; } diff --git a/drivers/edac/ghes_edac.c b/drivers/edac/ghes_edac.c index d413a0bdc9ad..0bb62857ffb2 100644 --- a/drivers/edac/ghes_edac.c +++ b/drivers/edac/ghes_edac.c @@ -553,7 +553,11 @@ void ghes_edac_unregister(struct ghes *ghes) if (!ghes_pvt) return; + if (atomic_dec_return(&ghes_init)) + return; + mci = ghes_pvt->mci; + ghes_pvt = NULL; edac_mc_del_mc(mci->pdev); edac_mc_free(mci); } diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 35ed56b9c34f..1e21fc3e9851 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -408,7 +408,7 @@ static void __init save_mem_devices(const struct dmi_header *dm, void *v) bytes = ~0ull; else if (size & 0x8000) bytes = (u64)(size & 0x7fff) << 10; - else if (size != 0x7fff) + else if (size != 0x7fff || dm->length < 0x20) bytes = (u64)size << 20; else bytes = (u64)get_unaligned((u32 *)&d[0x1C]) << 20; diff --git a/drivers/firmware/efi/Kconfig b/drivers/firmware/efi/Kconfig index 178ee8106828..b248870a9806 100644 --- a/drivers/firmware/efi/Kconfig +++ b/drivers/firmware/efi/Kconfig @@ -182,6 +182,7 @@ config RESET_ATTACK_MITIGATION config EFI_RCI2_TABLE bool "EFI Runtime Configuration Interface Table Version 2 Support" + depends on X86 || COMPILE_TEST help Displays the content of the Runtime Configuration Interface Table version 2 on Dell EMC PowerEdge systems as a binary diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c index addf0749dd8b..b1af0de2e100 100644 --- a/drivers/firmware/efi/cper.c +++ b/drivers/firmware/efi/cper.c @@ -381,7 +381,7 @@ static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie, printk("%s""vendor_id: 0x%04x, device_id: 0x%04x\n", pfx, pcie->device_id.vendor_id, pcie->device_id.device_id); p = pcie->device_id.class_code; - printk("%s""class_code: %02x%02x%02x\n", pfx, p[0], p[1], p[2]); + printk("%s""class_code: %02x%02x%02x\n", pfx, p[2], p[1], p[0]); } if (pcie->validation_bits & CPER_PCIE_VALID_SERIAL_NUMBER) printk("%s""serial number: 0x%04x, 0x%04x\n", pfx, diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index 8d3e778e988b..e98bbf8e56d9 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -267,6 +267,9 @@ static __init int efivar_ssdt_load(void) void *data; int ret; + if (!efivar_ssdt[0]) + return 0; + ret = efivar_init(efivar_ssdt_iter, &entries, true, &entries); list_for_each_entry_safe(entry, aux, &entries, list) { @@ -551,7 +554,7 @@ int __init efi_config_parse_tables(void *config_tables, int count, int sz, sizeof(*seed) + size); if (seed != NULL) { pr_notice("seeding entropy pool\n"); - add_device_randomness(seed->bits, seed->size); + add_bootloader_randomness(seed->bits, seed->size); early_memunmap(seed, sizeof(*seed) + size); } else { pr_err("Could not map UEFI random seed!\n"); diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile index 0460c7581220..ee0661ddb25b 100644 --- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile @@ -52,6 +52,7 @@ lib-$(CONFIG_EFI_ARMSTUB) += arm-stub.o fdt.o string.o random.o \ lib-$(CONFIG_ARM) += arm32-stub.o lib-$(CONFIG_ARM64) += arm64-stub.o +CFLAGS_arm32-stub.o := -DTEXT_OFFSET=$(TEXT_OFFSET) CFLAGS_arm64-stub.o := -DTEXT_OFFSET=$(TEXT_OFFSET) # diff --git a/drivers/firmware/efi/libstub/arm32-stub.c b/drivers/firmware/efi/libstub/arm32-stub.c index e8f7aefb6813..41213bf5fcf5 100644 --- a/drivers/firmware/efi/libstub/arm32-stub.c +++ b/drivers/firmware/efi/libstub/arm32-stub.c @@ -195,6 +195,7 @@ efi_status_t handle_kernel_image(efi_system_table_t *sys_table, unsigned long dram_base, efi_loaded_image_t *image) { + unsigned long kernel_base; efi_status_t status; /* @@ -204,9 +205,18 @@ efi_status_t handle_kernel_image(efi_system_table_t *sys_table, * loaded. These assumptions are made by the decompressor, * before any memory map is available. */ - dram_base = round_up(dram_base, SZ_128M); + kernel_base = round_up(dram_base, SZ_128M); - status = reserve_kernel_base(sys_table, dram_base, reserve_addr, + /* + * Note that some platforms (notably, the Raspberry Pi 2) put + * spin-tables and other pieces of firmware at the base of RAM, + * abusing the fact that the window of TEXT_OFFSET bytes at the + * base of the kernel image is only partially used at the moment. + * (Up to 5 pages are used for the swapper page tables) + */ + kernel_base += TEXT_OFFSET - 5 * PAGE_SIZE; + + status = reserve_kernel_base(sys_table, kernel_base, reserve_addr, reserve_size); if (status != EFI_SUCCESS) { pr_efi_err(sys_table, "Unable to allocate memory for uncompressed kernel.\n"); @@ -220,7 +230,7 @@ efi_status_t handle_kernel_image(efi_system_table_t *sys_table, *image_size = image->image_size; status = efi_relocate_kernel(sys_table, image_addr, *image_size, *image_size, - dram_base + MAX_UNCOMP_KERNEL_SIZE, 0); + kernel_base + MAX_UNCOMP_KERNEL_SIZE, 0, 0); if (status != EFI_SUCCESS) { pr_efi_err(sys_table, "Failed to relocate kernel.\n"); efi_free(sys_table, *reserve_size, *reserve_addr); diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c index 3caae7f2cf56..35dbc2791c97 100644 --- a/drivers/firmware/efi/libstub/efi-stub-helper.c +++ b/drivers/firmware/efi/libstub/efi-stub-helper.c @@ -260,11 +260,11 @@ fail: } /* - * Allocate at the lowest possible address. + * Allocate at the lowest possible address that is not below 'min'. */ -efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg, - unsigned long size, unsigned long align, - unsigned long *addr) +efi_status_t efi_low_alloc_above(efi_system_table_t *sys_table_arg, + unsigned long size, unsigned long align, + unsigned long *addr, unsigned long min) { unsigned long map_size, desc_size, buff_size; efi_memory_desc_t *map; @@ -311,13 +311,8 @@ efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg, start = desc->phys_addr; end = start + desc->num_pages * EFI_PAGE_SIZE; - /* - * Don't allocate at 0x0. It will confuse code that - * checks pointers against NULL. Skip the first 8 - * bytes so we start at a nice even number. - */ - if (start == 0x0) - start += 8; + if (start < min) + start = min; start = round_up(start, align); if ((start + size) > end) @@ -698,7 +693,8 @@ efi_status_t efi_relocate_kernel(efi_system_table_t *sys_table_arg, unsigned long image_size, unsigned long alloc_size, unsigned long preferred_addr, - unsigned long alignment) + unsigned long alignment, + unsigned long min_addr) { unsigned long cur_image_addr; unsigned long new_addr = 0; @@ -731,8 +727,8 @@ efi_status_t efi_relocate_kernel(efi_system_table_t *sys_table_arg, * possible. */ if (status != EFI_SUCCESS) { - status = efi_low_alloc(sys_table_arg, alloc_size, alignment, - &new_addr); + status = efi_low_alloc_above(sys_table_arg, alloc_size, + alignment, &new_addr, min_addr); } if (status != EFI_SUCCESS) { pr_efi_err(sys_table_arg, "Failed to allocate usable memory for kernel.\n"); diff --git a/drivers/firmware/efi/rci2-table.c b/drivers/firmware/efi/rci2-table.c index 3e290f96620a..76b0c354a027 100644 --- a/drivers/firmware/efi/rci2-table.c +++ b/drivers/firmware/efi/rci2-table.c @@ -76,7 +76,7 @@ static u16 checksum(void) return chksum; } -int __init efi_rci2_sysfs_init(void) +static int __init efi_rci2_sysfs_init(void) { struct kobject *tables_kobj; int ret = -ENOMEM; diff --git a/drivers/firmware/efi/test/efi_test.c b/drivers/firmware/efi/test/efi_test.c index 877745c3aaf2..7baf48c01e72 100644 --- a/drivers/firmware/efi/test/efi_test.c +++ b/drivers/firmware/efi/test/efi_test.c @@ -14,6 +14,7 @@ #include <linux/init.h> #include <linux/proc_fs.h> #include <linux/efi.h> +#include <linux/security.h> #include <linux/slab.h> #include <linux/uaccess.h> @@ -717,6 +718,13 @@ static long efi_test_ioctl(struct file *file, unsigned int cmd, static int efi_test_open(struct inode *inode, struct file *file) { + int ret = security_locked_down(LOCKDOWN_EFI_TEST); + + if (ret) + return ret; + + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; /* * nothing special to do here * We do accept multiple open files at the same time as we diff --git a/drivers/firmware/efi/tpm.c b/drivers/firmware/efi/tpm.c index 1d3f5ca3eaaf..31f9f0e369b9 100644 --- a/drivers/firmware/efi/tpm.c +++ b/drivers/firmware/efi/tpm.c @@ -40,7 +40,7 @@ int __init efi_tpm_eventlog_init(void) { struct linux_efi_tpm_eventlog *log_tbl; struct efi_tcg2_final_events_table *final_tbl; - unsigned int tbl_size; + int tbl_size; int ret = 0; if (efi.tpm_log == EFI_INVALID_TABLE_ADDR) { @@ -75,16 +75,29 @@ int __init efi_tpm_eventlog_init(void) goto out; } - tbl_size = tpm2_calc_event_log_size((void *)efi.tpm_final_log - + sizeof(final_tbl->version) - + sizeof(final_tbl->nr_events), - final_tbl->nr_events, - log_tbl->log); + tbl_size = 0; + if (final_tbl->nr_events != 0) { + void *events = (void *)efi.tpm_final_log + + sizeof(final_tbl->version) + + sizeof(final_tbl->nr_events); + + tbl_size = tpm2_calc_event_log_size(events, + final_tbl->nr_events, + log_tbl->log); + } + + if (tbl_size < 0) { + pr_err(FW_BUG "Failed to parse event in TPM Final Events Log\n"); + ret = -EINVAL; + goto out_calc; + } + memblock_reserve((unsigned long)final_tbl, tbl_size + sizeof(*final_tbl)); - early_memunmap(final_tbl, sizeof(*final_tbl)); efi_tpm_final_log_size = tbl_size; +out_calc: + early_memunmap(final_tbl, sizeof(*final_tbl)); out: early_memunmap(log_tbl, sizeof(*log_tbl)); return ret; diff --git a/drivers/firmware/google/vpd_decode.c b/drivers/firmware/google/vpd_decode.c index dda525c0f968..5c6f2a74f104 100644 --- a/drivers/firmware/google/vpd_decode.c +++ b/drivers/firmware/google/vpd_decode.c @@ -52,7 +52,7 @@ static int vpd_decode_entry(const u32 max_len, const u8 *input_buf, if (max_len - consumed < *entry_len) return VPD_FAIL; - consumed += decoded_len; + consumed += *entry_len; *_consumed = consumed; return VPD_OK; } diff --git a/drivers/gpio/gpio-bd70528.c b/drivers/gpio/gpio-bd70528.c index 0c1ead12d883..4ba4d4a67881 100644 --- a/drivers/gpio/gpio-bd70528.c +++ b/drivers/gpio/gpio-bd70528.c @@ -25,13 +25,13 @@ static int bd70528_set_debounce(struct bd70528_gpio *bdgpio, case 0: val = BD70528_DEBOUNCE_DISABLE; break; - case 1 ... 15: + case 1 ... 15000: val = BD70528_DEBOUNCE_15MS; break; - case 16 ... 30: + case 15001 ... 30000: val = BD70528_DEBOUNCE_30MS; break; - case 31 ... 50: + case 30001 ... 50000: val = BD70528_DEBOUNCE_50MS; break; default: diff --git a/drivers/gpio/gpio-eic-sprd.c b/drivers/gpio/gpio-eic-sprd.c index fe7a73f52329..bb287f35cf40 100644 --- a/drivers/gpio/gpio-eic-sprd.c +++ b/drivers/gpio/gpio-eic-sprd.c @@ -530,11 +530,12 @@ static void sprd_eic_handle_one_type(struct gpio_chip *chip) } for_each_set_bit(n, ®, SPRD_EIC_PER_BANK_NR) { - girq = irq_find_mapping(chip->irq.domain, - bank * SPRD_EIC_PER_BANK_NR + n); + u32 offset = bank * SPRD_EIC_PER_BANK_NR + n; + + girq = irq_find_mapping(chip->irq.domain, offset); generic_handle_irq(girq); - sprd_eic_toggle_trigger(chip, girq, n); + sprd_eic_toggle_trigger(chip, girq, offset); } } } diff --git a/drivers/gpio/gpio-intel-mid.c b/drivers/gpio/gpio-intel-mid.c index 4d835f9089df..86a10c808ef6 100644 --- a/drivers/gpio/gpio-intel-mid.c +++ b/drivers/gpio/gpio-intel-mid.c @@ -293,8 +293,9 @@ static void intel_mid_irq_handler(struct irq_desc *desc) chip->irq_eoi(data); } -static void intel_mid_irq_init_hw(struct intel_mid_gpio *priv) +static int intel_mid_irq_init_hw(struct gpio_chip *chip) { + struct intel_mid_gpio *priv = gpiochip_get_data(chip); void __iomem *reg; unsigned base; @@ -309,6 +310,8 @@ static void intel_mid_irq_init_hw(struct intel_mid_gpio *priv) reg = gpio_reg(&priv->chip, base, GEDR); writel(~0, reg); } + + return 0; } static int __maybe_unused intel_gpio_runtime_idle(struct device *dev) @@ -372,6 +375,7 @@ static int intel_gpio_probe(struct pci_dev *pdev, girq = &priv->chip.irq; girq->chip = &intel_mid_irqchip; + girq->init_hw = intel_mid_irq_init_hw; girq->parent_handler = intel_mid_irq_handler; girq->num_parents = 1; girq->parents = devm_kcalloc(&pdev->dev, girq->num_parents, @@ -384,9 +388,8 @@ static int intel_gpio_probe(struct pci_dev *pdev, girq->default_type = IRQ_TYPE_NONE; girq->handler = handle_simple_irq; - intel_mid_irq_init_hw(priv); - pci_set_drvdata(pdev, priv); + retval = devm_gpiochip_add_data(&pdev->dev, &priv->chip, priv); if (retval) { dev_err(&pdev->dev, "gpiochip_add error %d\n", retval); diff --git a/drivers/gpio/gpio-lynxpoint.c b/drivers/gpio/gpio-lynxpoint.c index 6bb9741ad036..e9e47c0d5be7 100644 --- a/drivers/gpio/gpio-lynxpoint.c +++ b/drivers/gpio/gpio-lynxpoint.c @@ -294,8 +294,9 @@ static struct irq_chip lp_irqchip = { .flags = IRQCHIP_SKIP_SET_WAKE, }; -static void lp_gpio_irq_init_hw(struct lp_gpio *lg) +static int lp_gpio_irq_init_hw(struct gpio_chip *chip) { + struct lp_gpio *lg = gpiochip_get_data(chip); unsigned long reg; unsigned base; @@ -307,6 +308,8 @@ static void lp_gpio_irq_init_hw(struct lp_gpio *lg) reg = lp_gpio_reg(&lg->chip, base, LP_INT_STAT); outl(0xffffffff, reg); } + + return 0; } static int lp_gpio_probe(struct platform_device *pdev) @@ -364,6 +367,7 @@ static int lp_gpio_probe(struct platform_device *pdev) girq = &gc->irq; girq->chip = &lp_irqchip; + girq->init_hw = lp_gpio_irq_init_hw; girq->parent_handler = lp_gpio_irq_handler; girq->num_parents = 1; girq->parents = devm_kcalloc(&pdev->dev, girq->num_parents, @@ -373,9 +377,7 @@ static int lp_gpio_probe(struct platform_device *pdev) return -ENOMEM; girq->parents[0] = (unsigned)irq_rc->start; girq->default_type = IRQ_TYPE_NONE; - girq->handler = handle_simple_irq; - - lp_gpio_irq_init_hw(lg); + girq->handler = handle_bad_irq; } ret = devm_gpiochip_add_data(dev, gc, lg); diff --git a/drivers/gpio/gpio-max77620.c b/drivers/gpio/gpio-max77620.c index 47d05e357e61..642c6321c22a 100644 --- a/drivers/gpio/gpio-max77620.c +++ b/drivers/gpio/gpio-max77620.c @@ -192,13 +192,13 @@ static int max77620_gpio_set_debounce(struct max77620_gpio *mgpio, case 0: val = MAX77620_CNFG_GPIO_DBNC_None; break; - case 1 ... 8: + case 1 ... 8000: val = MAX77620_CNFG_GPIO_DBNC_8ms; break; - case 9 ... 16: + case 8001 ... 16000: val = MAX77620_CNFG_GPIO_DBNC_16ms; break; - case 17 ... 32: + case 16001 ... 32000: val = MAX77620_CNFG_GPIO_DBNC_32ms; break; default: diff --git a/drivers/gpio/gpio-merrifield.c b/drivers/gpio/gpio-merrifield.c index 4f27ddfe1e2f..3302125e5265 100644 --- a/drivers/gpio/gpio-merrifield.c +++ b/drivers/gpio/gpio-merrifield.c @@ -397,7 +397,6 @@ static int mrfld_gpio_probe(struct pci_dev *pdev, const struct pci_device_id *id { const struct mrfld_gpio_pinrange *range; const char *pinctrl_dev_name; - struct gpio_irq_chip *girq; struct mrfld_gpio *priv; u32 gpio_base, irq_base; void __iomem *base; @@ -445,21 +444,6 @@ static int mrfld_gpio_probe(struct pci_dev *pdev, const struct pci_device_id *id raw_spin_lock_init(&priv->lock); - girq = &priv->chip.irq; - girq->chip = &mrfld_irqchip; - girq->parent_handler = mrfld_irq_handler; - girq->num_parents = 1; - girq->parents = devm_kcalloc(&pdev->dev, girq->num_parents, - sizeof(*girq->parents), - GFP_KERNEL); - if (!girq->parents) - return -ENOMEM; - girq->parents[0] = pdev->irq; - girq->default_type = IRQ_TYPE_NONE; - girq->handler = handle_bad_irq; - - mrfld_irq_init_hw(priv); - pci_set_drvdata(pdev, priv); retval = devm_gpiochip_add_data(&pdev->dev, &priv->chip, priv); if (retval) { @@ -481,6 +465,18 @@ static int mrfld_gpio_probe(struct pci_dev *pdev, const struct pci_device_id *id } } + retval = gpiochip_irqchip_add(&priv->chip, &mrfld_irqchip, irq_base, + handle_bad_irq, IRQ_TYPE_NONE); + if (retval) { + dev_err(&pdev->dev, "could not connect irqchip to gpiochip\n"); + return retval; + } + + mrfld_irq_init_hw(priv); + + gpiochip_set_chained_irqchip(&priv->chip, &mrfld_irqchip, pdev->irq, + mrfld_irq_handler); + return 0; } diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 609ed16ae933..59ccfd24627d 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -1304,11 +1304,28 @@ late_initcall_sync(acpi_gpio_handle_deferred_request_irqs); static const struct dmi_system_id run_edge_events_on_boot_blacklist[] = { { + /* + * The Minix Neo Z83-4 has a micro-USB-B id-pin handler for + * a non existing micro-USB-B connector which puts the HDMI + * DDC pins in GPIO mode, breaking HDMI support. + */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "MINIX"), DMI_MATCH(DMI_PRODUCT_NAME, "Z83-4"), } }, + { + /* + * The Terra Pad 1061 has a micro-USB-B id-pin handler, which + * instead of controlling the actual micro-USB-B turns the 5V + * boost for its USB-A connector off. The actual micro-USB-B + * connector is wired for charging only. + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Wortmann_AG"), + DMI_MATCH(DMI_PRODUCT_NAME, "TERRA_PAD_1061"), + } + }, {} /* Terminating entry */ }; diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 1eea2c6c2e1d..80ea49f570f4 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -317,7 +317,7 @@ struct gpio_desc *gpiod_get_from_of_node(struct device_node *node, transitory = flags & OF_GPIO_TRANSITORY; ret = gpiod_request(desc, label); - if (ret == -EBUSY && (flags & GPIOD_FLAGS_BIT_NONEXCLUSIVE)) + if (ret == -EBUSY && (dflags & GPIOD_FLAGS_BIT_NONEXCLUSIVE)) return desc; if (ret) return ERR_PTR(ret); diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index bdbc1649eafa..104ed299d5ea 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -86,6 +86,7 @@ static int gpiochip_add_irqchip(struct gpio_chip *gpiochip, struct lock_class_key *lock_key, struct lock_class_key *request_key); static void gpiochip_irqchip_remove(struct gpio_chip *gpiochip); +static int gpiochip_irqchip_init_hw(struct gpio_chip *gpiochip); static int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gpiochip); static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gpiochip); @@ -1406,6 +1407,10 @@ int gpiochip_add_data_with_key(struct gpio_chip *chip, void *data, machine_gpiochip_add(chip); + ret = gpiochip_irqchip_init_hw(chip); + if (ret) + goto err_remove_acpi_chip; + ret = gpiochip_irqchip_init_valid_mask(chip); if (ret) goto err_remove_acpi_chip; @@ -1622,6 +1627,16 @@ static struct gpio_chip *find_chip_by_name(const char *name) * The following is irqchip helper code for gpiochips. */ +static int gpiochip_irqchip_init_hw(struct gpio_chip *gc) +{ + struct gpio_irq_chip *girq = &gc->irq; + + if (!girq->init_hw) + return 0; + + return girq->init_hw(gc); +} + static int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gc) { struct gpio_irq_chip *girq = &gc->irq; @@ -2446,8 +2461,13 @@ static inline int gpiochip_add_irqchip(struct gpio_chip *gpiochip, { return 0; } - static void gpiochip_irqchip_remove(struct gpio_chip *gpiochip) {} + +static inline int gpiochip_irqchip_init_hw(struct gpio_chip *gpiochip) +{ + return 0; +} + static inline int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gpiochip) { return 0; @@ -3070,8 +3090,10 @@ int gpiod_direction_output(struct gpio_desc *desc, int value) if (!ret) goto set_output_value; /* Emulate open drain by not actively driving the line high */ - if (value) - return gpiod_direction_input(desc); + if (value) { + ret = gpiod_direction_input(desc); + goto set_output_flag; + } } else if (test_bit(FLAG_OPEN_SOURCE, &desc->flags)) { ret = gpio_set_config(gc, gpio_chip_hwgpio(desc), @@ -3079,8 +3101,10 @@ int gpiod_direction_output(struct gpio_desc *desc, int value) if (!ret) goto set_output_value; /* Emulate open source by not actively driving the line low */ - if (!value) - return gpiod_direction_input(desc); + if (!value) { + ret = gpiod_direction_input(desc); + goto set_output_flag; + } } else { gpio_set_config(gc, gpio_chip_hwgpio(desc), PIN_CONFIG_DRIVE_PUSH_PULL); @@ -3088,6 +3112,17 @@ int gpiod_direction_output(struct gpio_desc *desc, int value) set_output_value: return gpiod_direction_output_raw_commit(desc, value); + +set_output_flag: + /* + * When emulating open-source or open-drain functionalities by not + * actively driving the line (setting mode to input) we still need to + * set the IS_OUT flag or otherwise we won't be able to set the line + * value anymore. + */ + if (ret == 0) + set_bit(FLAG_IS_OUT, &desc->flags); + return ret; } EXPORT_SYMBOL_GPL(gpiod_direction_output); @@ -3448,8 +3483,6 @@ static void gpio_set_open_drain_value_commit(struct gpio_desc *desc, bool value) if (value) { ret = chip->direction_input(chip, offset); - if (!ret) - clear_bit(FLAG_IS_OUT, &desc->flags); } else { ret = chip->direction_output(chip, offset, 0); if (!ret) @@ -3479,8 +3512,6 @@ static void gpio_set_open_source_value_commit(struct gpio_desc *desc, bool value set_bit(FLAG_IS_OUT, &desc->flags); } else { ret = chip->direction_input(chip, offset); - if (!ret) - clear_bit(FLAG_IS_OUT, &desc->flags); } trace_gpio_direction(desc_to_gpio(desc), !value, ret); if (ret < 0) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c index 7bcf86c61999..85b0515c0fdc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c @@ -140,7 +140,12 @@ int amdgpu_bo_list_create(struct amdgpu_device *adev, struct drm_file *filp, return 0; error_free: - while (i--) { + for (i = 0; i < last_entry; ++i) { + struct amdgpu_bo *bo = ttm_to_amdgpu_bo(array[i].tv.bo); + + amdgpu_bo_unref(&bo); + } + for (i = first_userptr; i < num_entries; ++i) { struct amdgpu_bo *bo = ttm_to_amdgpu_bo(array[i].tv.bo); amdgpu_bo_unref(&bo); @@ -270,7 +275,7 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data, r = amdgpu_bo_create_list_entry_array(&args->in, &info); if (r) - goto error_free; + return r; switch (args->in.operation) { case AMDGPU_BO_LIST_OP_CREATE: @@ -283,8 +288,7 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data, r = idr_alloc(&fpriv->bo_list_handles, list, 1, 0, GFP_KERNEL); mutex_unlock(&fpriv->bo_list_lock); if (r < 0) { - amdgpu_bo_list_put(list); - return r; + goto error_put_list; } handle = r; @@ -306,9 +310,8 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data, mutex_unlock(&fpriv->bo_list_lock); if (IS_ERR(old)) { - amdgpu_bo_list_put(list); r = PTR_ERR(old); - goto error_free; + goto error_put_list; } amdgpu_bo_list_put(old); @@ -325,8 +328,10 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data, return 0; +error_put_list: + amdgpu_bo_list_put(list); + error_free: - if (info) - kvfree(info); + kvfree(info); return r; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 2e53feed40e2..82823d9a8ba8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -536,7 +536,6 @@ static int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p, list_for_each_entry(lobj, validated, tv.head) { struct amdgpu_bo *bo = ttm_to_amdgpu_bo(lobj->tv.bo); - bool binding_userptr = false; struct mm_struct *usermm; usermm = amdgpu_ttm_tt_get_usermm(bo->tbo.ttm); @@ -553,7 +552,6 @@ static int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p, amdgpu_ttm_tt_set_user_pages(bo->tbo.ttm, lobj->user_pages); - binding_userptr = true; } if (p->evictable == lobj) @@ -563,10 +561,8 @@ static int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p, if (r) return r; - if (binding_userptr) { - kvfree(lobj->user_pages); - lobj->user_pages = NULL; - } + kvfree(lobj->user_pages); + lobj->user_pages = NULL; } return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c index 6614d8a6f4c8..2cdaf3b2a721 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c @@ -604,8 +604,11 @@ void amdgpu_ctx_mgr_entity_fini(struct amdgpu_ctx_mgr *mgr) continue; } - for (i = 0; i < num_entities; i++) + for (i = 0; i < num_entities; i++) { + mutex_lock(&ctx->adev->lock_reset); drm_sched_entity_fini(&ctx->entities[0][i].entity); + mutex_unlock(&ctx->adev->lock_reset); + } } } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 5a1939dbd4e3..7a6c837c0a85 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2885,6 +2885,13 @@ fence_driver_init: DRM_INFO("amdgpu: acceleration disabled, skipping benchmarks\n"); } + /* + * Register gpu instance before amdgpu_device_enable_mgpu_fan_boost. + * Otherwise the mgpu fan boost feature will be skipped due to the + * gpu instance is counted less. + */ + amdgpu_register_gpu_instance(adev); + /* enable clockgating, etc. after ib tests, etc. since some blocks require * explicit gating rather than handling it automatically. */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index 1d4aaa9580f4..82efc1e22e61 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -511,7 +511,7 @@ uint32_t amdgpu_display_supported_domains(struct amdgpu_device *adev, * Also, don't allow GTT domain if the BO doens't have USWC falg set. */ if (adev->asic_type >= CHIP_CARRIZO && - adev->asic_type <= CHIP_RAVEN && + adev->asic_type < CHIP_RAVEN && (adev->flags & AMD_IS_APU) && (bo_flags & AMDGPU_GEM_CREATE_CPU_GTT_USWC) && amdgpu_bo_support_uswc(bo_flags) && diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 6f8aaf655a9f..b19157b19fa0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -1013,9 +1013,10 @@ static const struct pci_device_id pciidlist[] = { {0x1002, 0x731B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI10}, {0x1002, 0x731F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI10}, /* Navi14 */ - {0x1002, 0x7340, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14|AMD_EXP_HW_SUPPORT}, - {0x1002, 0x7341, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14|AMD_EXP_HW_SUPPORT}, - {0x1002, 0x7347, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14|AMD_EXP_HW_SUPPORT}, + {0x1002, 0x7340, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14}, + {0x1002, 0x7341, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14}, + {0x1002, 0x7347, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14}, + {0x1002, 0x734F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14}, /* Renoir */ {0x1002, 0x1636, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RENOIR|AMD_IS_APU|AMD_EXP_HW_SUPPORT}, @@ -1048,6 +1049,41 @@ static int amdgpu_pci_probe(struct pci_dev *pdev, return -ENODEV; } +#ifdef CONFIG_DRM_AMDGPU_SI + if (!amdgpu_si_support) { + switch (flags & AMD_ASIC_MASK) { + case CHIP_TAHITI: + case CHIP_PITCAIRN: + case CHIP_VERDE: + case CHIP_OLAND: + case CHIP_HAINAN: + dev_info(&pdev->dev, + "SI support provided by radeon.\n"); + dev_info(&pdev->dev, + "Use radeon.si_support=0 amdgpu.si_support=1 to override.\n" + ); + return -ENODEV; + } + } +#endif +#ifdef CONFIG_DRM_AMDGPU_CIK + if (!amdgpu_cik_support) { + switch (flags & AMD_ASIC_MASK) { + case CHIP_KAVERI: + case CHIP_BONAIRE: + case CHIP_HAWAII: + case CHIP_KABINI: + case CHIP_MULLINS: + dev_info(&pdev->dev, + "CIK support provided by radeon.\n"); + dev_info(&pdev->dev, + "Use radeon.cik_support=0 amdgpu.cik_support=1 to override.\n" + ); + return -ENODEV; + } + } +#endif + /* Get rid of things like offb */ ret = drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, 0, "amdgpudrmfb"); if (ret) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h index 6ee4021910e2..6d19183b478b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h @@ -289,6 +289,7 @@ struct amdgpu_gfx { uint32_t mec2_feature_version; bool mec_fw_write_wait; bool me_fw_write_wait; + bool cp_fw_write_wait; struct amdgpu_ring gfx_ring[AMDGPU_MAX_GFX_RINGS]; unsigned num_gfx_rings; struct amdgpu_ring compute_ring[AMDGPU_MAX_COMPUTE_RINGS]; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c index 9d76e0923a5a..96b2a31ccfed 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c @@ -218,7 +218,7 @@ static struct dma_fence *amdgpu_job_run(struct drm_sched_job *sched_job) struct amdgpu_ring *ring = to_amdgpu_ring(sched_job->sched); struct dma_fence *fence = NULL, *finished; struct amdgpu_job *job; - int r; + int r = 0; job = to_amdgpu_job(sched_job); finished = &job->base.s_fence->finished; @@ -243,6 +243,8 @@ static struct dma_fence *amdgpu_job_run(struct drm_sched_job *sched_job) job->fence = dma_fence_get(fence); amdgpu_job_free_resources(job); + + fence = r ? ERR_PTR(r) : fence; return fence; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index f2c097983f48..a73206784cba 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -144,41 +144,6 @@ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags) struct amdgpu_device *adev; int r, acpi_status; -#ifdef CONFIG_DRM_AMDGPU_SI - if (!amdgpu_si_support) { - switch (flags & AMD_ASIC_MASK) { - case CHIP_TAHITI: - case CHIP_PITCAIRN: - case CHIP_VERDE: - case CHIP_OLAND: - case CHIP_HAINAN: - dev_info(dev->dev, - "SI support provided by radeon.\n"); - dev_info(dev->dev, - "Use radeon.si_support=0 amdgpu.si_support=1 to override.\n" - ); - return -ENODEV; - } - } -#endif -#ifdef CONFIG_DRM_AMDGPU_CIK - if (!amdgpu_cik_support) { - switch (flags & AMD_ASIC_MASK) { - case CHIP_KAVERI: - case CHIP_BONAIRE: - case CHIP_HAWAII: - case CHIP_KABINI: - case CHIP_MULLINS: - dev_info(dev->dev, - "CIK support provided by radeon.\n"); - dev_info(dev->dev, - "Use radeon.cik_support=0 amdgpu.cik_support=1 to override.\n" - ); - return -ENODEV; - } - } -#endif - adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL); if (adev == NULL) { return -ENOMEM; @@ -225,7 +190,6 @@ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags) pm_runtime_put_autosuspend(dev->dev); } - amdgpu_register_gpu_instance(adev); out: if (r) { /* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */ @@ -685,15 +649,19 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file return -ENOMEM; alloc_size = info->read_mmr_reg.count * sizeof(*regs); - for (i = 0; i < info->read_mmr_reg.count; i++) + amdgpu_gfx_off_ctrl(adev, false); + for (i = 0; i < info->read_mmr_reg.count; i++) { if (amdgpu_asic_read_register(adev, se_num, sh_num, info->read_mmr_reg.dword_offset + i, ®s[i])) { DRM_DEBUG_KMS("unallowed offset %#x\n", info->read_mmr_reg.dword_offset + i); kfree(regs); + amdgpu_gfx_off_ctrl(adev, true); return -EFAULT; } + } + amdgpu_gfx_off_ctrl(adev, true); n = copy_to_user(out, regs, min(size, alloc_size)); kfree(regs); return n ? -EFAULT : 0; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 1fead0e8b890..7289e1b4fb60 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -453,7 +453,8 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev, .interruptible = (bp->type != ttm_bo_type_kernel), .no_wait_gpu = false, .resv = bp->resv, - .flags = TTM_OPT_FLAG_ALLOW_RES_EVICT + .flags = bp->type != ttm_bo_type_kernel ? + TTM_OPT_FLAG_ALLOW_RES_EVICT : 0 }; struct amdgpu_bo *bo; unsigned long page_align, size = bp->size; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 4d71537a960d..a46090071034 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -950,21 +950,7 @@ static void psp_print_fw_hdr(struct psp_context *psp, struct amdgpu_firmware_info *ucode) { struct amdgpu_device *adev = psp->adev; - const struct sdma_firmware_header_v1_0 *sdma_hdr = - (const struct sdma_firmware_header_v1_0 *) - adev->sdma.instance[ucode->ucode_id - AMDGPU_UCODE_ID_SDMA0].fw->data; - const struct gfx_firmware_header_v1_0 *ce_hdr = - (const struct gfx_firmware_header_v1_0 *)adev->gfx.ce_fw->data; - const struct gfx_firmware_header_v1_0 *pfp_hdr = - (const struct gfx_firmware_header_v1_0 *)adev->gfx.pfp_fw->data; - const struct gfx_firmware_header_v1_0 *me_hdr = - (const struct gfx_firmware_header_v1_0 *)adev->gfx.me_fw->data; - const struct gfx_firmware_header_v1_0 *mec_hdr = - (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec_fw->data; - const struct rlc_firmware_header_v2_0 *rlc_hdr = - (const struct rlc_firmware_header_v2_0 *)adev->gfx.rlc_fw->data; - const struct smc_firmware_header_v1_0 *smc_hdr = - (const struct smc_firmware_header_v1_0 *)adev->pm.fw->data; + struct common_firmware_header *hdr; switch (ucode->ucode_id) { case AMDGPU_UCODE_ID_SDMA0: @@ -975,25 +961,33 @@ static void psp_print_fw_hdr(struct psp_context *psp, case AMDGPU_UCODE_ID_SDMA5: case AMDGPU_UCODE_ID_SDMA6: case AMDGPU_UCODE_ID_SDMA7: - amdgpu_ucode_print_sdma_hdr(&sdma_hdr->header); + hdr = (struct common_firmware_header *) + adev->sdma.instance[ucode->ucode_id - AMDGPU_UCODE_ID_SDMA0].fw->data; + amdgpu_ucode_print_sdma_hdr(hdr); break; case AMDGPU_UCODE_ID_CP_CE: - amdgpu_ucode_print_gfx_hdr(&ce_hdr->header); + hdr = (struct common_firmware_header *)adev->gfx.ce_fw->data; + amdgpu_ucode_print_gfx_hdr(hdr); break; case AMDGPU_UCODE_ID_CP_PFP: - amdgpu_ucode_print_gfx_hdr(&pfp_hdr->header); + hdr = (struct common_firmware_header *)adev->gfx.pfp_fw->data; + amdgpu_ucode_print_gfx_hdr(hdr); break; case AMDGPU_UCODE_ID_CP_ME: - amdgpu_ucode_print_gfx_hdr(&me_hdr->header); + hdr = (struct common_firmware_header *)adev->gfx.me_fw->data; + amdgpu_ucode_print_gfx_hdr(hdr); break; case AMDGPU_UCODE_ID_CP_MEC1: - amdgpu_ucode_print_gfx_hdr(&mec_hdr->header); + hdr = (struct common_firmware_header *)adev->gfx.mec_fw->data; + amdgpu_ucode_print_gfx_hdr(hdr); break; case AMDGPU_UCODE_ID_RLC_G: - amdgpu_ucode_print_rlc_hdr(&rlc_hdr->header); + hdr = (struct common_firmware_header *)adev->gfx.rlc_fw->data; + amdgpu_ucode_print_rlc_hdr(hdr); break; case AMDGPU_UCODE_ID_SMC: - amdgpu_ucode_print_smc_hdr(&smc_hdr->header); + hdr = (struct common_firmware_header *)adev->pm.fw->data; + amdgpu_ucode_print_smc_hdr(hdr); break; default: break; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c index b70b3c45bb29..65044b1b3d4c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c @@ -429,13 +429,14 @@ void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp) * Open up a stream for HW test */ int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, + struct amdgpu_bo *bo, struct dma_fence **fence) { const unsigned ib_size_dw = 1024; struct amdgpu_job *job; struct amdgpu_ib *ib; struct dma_fence *f = NULL; - uint64_t dummy; + uint64_t addr; int i, r; r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); @@ -444,7 +445,7 @@ int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, ib = &job->ibs[0]; - dummy = ib->gpu_addr + 1024; + addr = amdgpu_bo_gpu_offset(bo); /* stitch together an VCE create msg */ ib->length_dw = 0; @@ -476,8 +477,8 @@ int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, ib->ptr[ib->length_dw++] = 0x00000014; /* len */ ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */ - ib->ptr[ib->length_dw++] = upper_32_bits(dummy); - ib->ptr[ib->length_dw++] = dummy; + ib->ptr[ib->length_dw++] = upper_32_bits(addr); + ib->ptr[ib->length_dw++] = addr; ib->ptr[ib->length_dw++] = 0x00000001; for (i = ib->length_dw; i < ib_size_dw; ++i) @@ -1110,13 +1111,20 @@ int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring) int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout) { struct dma_fence *fence = NULL; + struct amdgpu_bo *bo = NULL; long r; /* skip vce ring1/2 ib test for now, since it's not reliable */ if (ring != &ring->adev->vce.ring[0]) return 0; - r = amdgpu_vce_get_create_msg(ring, 1, NULL); + r = amdgpu_bo_create_reserved(ring->adev, 512, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM, + &bo, NULL, NULL); + if (r) + return r; + + r = amdgpu_vce_get_create_msg(ring, 1, bo, NULL); if (r) goto error; @@ -1132,5 +1140,7 @@ int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout) error: dma_fence_put(fence); + amdgpu_bo_unreserve(bo); + amdgpu_bo_unref(&bo); return r; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h index 30ea54dd9117..e802f7d9db0a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h @@ -59,6 +59,7 @@ int amdgpu_vce_entity_init(struct amdgpu_device *adev); int amdgpu_vce_suspend(struct amdgpu_device *adev); int amdgpu_vce_resume(struct amdgpu_device *adev); int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, + struct amdgpu_bo *bo, struct dma_fence **fence); int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, bool direct, struct dma_fence **fence); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c index 7a6beb2e7c4e..3199e4a5ff12 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c @@ -569,13 +569,14 @@ int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring) } static int amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, - struct dma_fence **fence) + struct amdgpu_bo *bo, + struct dma_fence **fence) { const unsigned ib_size_dw = 16; struct amdgpu_job *job; struct amdgpu_ib *ib; struct dma_fence *f = NULL; - uint64_t dummy; + uint64_t addr; int i, r; r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); @@ -583,14 +584,14 @@ static int amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t hand return r; ib = &job->ibs[0]; - dummy = ib->gpu_addr + 1024; + addr = amdgpu_bo_gpu_offset(bo); ib->length_dw = 0; ib->ptr[ib->length_dw++] = 0x00000018; ib->ptr[ib->length_dw++] = 0x00000001; /* session info */ ib->ptr[ib->length_dw++] = handle; - ib->ptr[ib->length_dw++] = upper_32_bits(dummy); - ib->ptr[ib->length_dw++] = dummy; + ib->ptr[ib->length_dw++] = upper_32_bits(addr); + ib->ptr[ib->length_dw++] = addr; ib->ptr[ib->length_dw++] = 0x0000000b; ib->ptr[ib->length_dw++] = 0x00000014; @@ -621,13 +622,14 @@ err: } static int amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, - struct dma_fence **fence) + struct amdgpu_bo *bo, + struct dma_fence **fence) { const unsigned ib_size_dw = 16; struct amdgpu_job *job; struct amdgpu_ib *ib; struct dma_fence *f = NULL; - uint64_t dummy; + uint64_t addr; int i, r; r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); @@ -635,14 +637,14 @@ static int amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t han return r; ib = &job->ibs[0]; - dummy = ib->gpu_addr + 1024; + addr = amdgpu_bo_gpu_offset(bo); ib->length_dw = 0; ib->ptr[ib->length_dw++] = 0x00000018; ib->ptr[ib->length_dw++] = 0x00000001; ib->ptr[ib->length_dw++] = handle; - ib->ptr[ib->length_dw++] = upper_32_bits(dummy); - ib->ptr[ib->length_dw++] = dummy; + ib->ptr[ib->length_dw++] = upper_32_bits(addr); + ib->ptr[ib->length_dw++] = addr; ib->ptr[ib->length_dw++] = 0x0000000b; ib->ptr[ib->length_dw++] = 0x00000014; @@ -675,13 +677,20 @@ err: int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout) { struct dma_fence *fence = NULL; + struct amdgpu_bo *bo = NULL; long r; - r = amdgpu_vcn_enc_get_create_msg(ring, 1, NULL); + r = amdgpu_bo_create_reserved(ring->adev, 128 * 1024, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM, + &bo, NULL, NULL); + if (r) + return r; + + r = amdgpu_vcn_enc_get_create_msg(ring, 1, bo, NULL); if (r) goto error; - r = amdgpu_vcn_enc_get_destroy_msg(ring, 1, &fence); + r = amdgpu_vcn_enc_get_destroy_msg(ring, 1, bo, &fence); if (r) goto error; @@ -693,6 +702,8 @@ int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout) error: dma_fence_put(fence); + amdgpu_bo_unreserve(bo); + amdgpu_bo_unref(&bo); return r; } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 957811b73672..53090eae0082 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -93,7 +93,7 @@ static const struct soc15_reg_golden golden_settings_gc_10_1[] = { SOC15_REG_GOLDEN_VALUE(GC, 0, mmCB_HW_CONTROL_4, 0xffffffff, 0x00400014), SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_CPF_CLK_CTRL, 0xfcff8fff, 0xf8000100), - SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_SPI_CLK_CTRL, 0xc0000000, 0xc0000100), + SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_SPI_CLK_CTRL, 0xcd000000, 0x0d000100), SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_SQ_CLK_CTRL, 0x60000ff0, 0x60000100), SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_SQG_CLK_CTRL, 0x40000000, 0x40000100), SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_VGT_CLK_CTRL, 0xffff8fff, 0xffff8100), @@ -140,7 +140,7 @@ static const struct soc15_reg_golden golden_settings_gc_10_1_1[] = SOC15_REG_GOLDEN_VALUE(GC, 0, mmCB_HW_CONTROL_4, 0xffffffff, 0x003c0014), SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_GS_NGG_CLK_CTRL, 0xffff8fff, 0xffff8100), SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_IA_CLK_CTRL, 0xffff0fff, 0xffff0100), - SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_SPI_CLK_CTRL, 0xc0000000, 0xc0000100), + SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_SPI_CLK_CTRL, 0xcd000000, 0x0d000100), SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_SQ_CLK_CTRL, 0xf8ff0fff, 0x60000100), SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_SQG_CLK_CTRL, 0x40000ff0, 0x40000100), SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_VGT_CLK_CTRL, 0xffff8fff, 0xffff8100), @@ -179,7 +179,7 @@ static const struct soc15_reg_golden golden_settings_gc_10_1_2[] = SOC15_REG_GOLDEN_VALUE(GC, 0, mmCB_HW_CONTROL_4, 0x003e001f, 0x003c0014), SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_GS_NGG_CLK_CTRL, 0xffff8fff, 0xffff8100), SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_IA_CLK_CTRL, 0xffff0fff, 0xffff0100), - SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_SPI_CLK_CTRL, 0xff7f0fff, 0xc0000100), + SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_SPI_CLK_CTRL, 0xff7f0fff, 0x0d000100), SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_SQ_CLK_CTRL, 0xffffcfff, 0x60000100), SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_SQG_CLK_CTRL, 0xffff0fff, 0x40000100), SOC15_REG_GOLDEN_VALUE(GC, 0, mmCGTT_VGT_CLK_CTRL, 0xffff8fff, 0xffff8100), @@ -564,6 +564,32 @@ static void gfx_v10_0_free_microcode(struct amdgpu_device *adev) kfree(adev->gfx.rlc.register_list_format); } +static void gfx_v10_0_check_fw_write_wait(struct amdgpu_device *adev) +{ + adev->gfx.cp_fw_write_wait = false; + + switch (adev->asic_type) { + case CHIP_NAVI10: + case CHIP_NAVI12: + case CHIP_NAVI14: + if ((adev->gfx.me_fw_version >= 0x00000046) && + (adev->gfx.me_feature_version >= 27) && + (adev->gfx.pfp_fw_version >= 0x00000068) && + (adev->gfx.pfp_feature_version >= 27) && + (adev->gfx.mec_fw_version >= 0x0000005b) && + (adev->gfx.mec_feature_version >= 27)) + adev->gfx.cp_fw_write_wait = true; + break; + default: + break; + } + + if (adev->gfx.cp_fw_write_wait == false) + DRM_WARN_ONCE("Warning: check cp_fw_version and update it to realize \ + GRBM requires 1-cycle delay in cp firmware\n"); +} + + static void gfx_v10_0_init_rlc_ext_microcode(struct amdgpu_device *adev) { const struct rlc_firmware_header_v2_1 *rlc_hdr; @@ -832,6 +858,7 @@ static int gfx_v10_0_init_microcode(struct amdgpu_device *adev) } } + gfx_v10_0_check_fw_write_wait(adev); out: if (err) { dev_err(adev->dev, @@ -4765,6 +4792,24 @@ static void gfx_v10_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, gfx_v10_0_wait_reg_mem(ring, 0, 0, 0, reg, 0, val, mask, 0x20); } +static void gfx_v10_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring, + uint32_t reg0, uint32_t reg1, + uint32_t ref, uint32_t mask) +{ + int usepfp = (ring->funcs->type == AMDGPU_RING_TYPE_GFX); + struct amdgpu_device *adev = ring->adev; + bool fw_version_ok = false; + + fw_version_ok = adev->gfx.cp_fw_write_wait; + + if (fw_version_ok) + gfx_v10_0_wait_reg_mem(ring, usepfp, 0, 1, reg0, reg1, + ref, mask, 0x20); + else + amdgpu_ring_emit_reg_write_reg_wait_helper(ring, reg0, reg1, + ref, mask); +} + static void gfx_v10_0_set_gfx_eop_interrupt_state(struct amdgpu_device *adev, uint32_t me, uint32_t pipe, @@ -5155,6 +5200,7 @@ static const struct amdgpu_ring_funcs gfx_v10_0_ring_funcs_gfx = { .emit_tmz = gfx_v10_0_ring_emit_tmz, .emit_wreg = gfx_v10_0_ring_emit_wreg, .emit_reg_wait = gfx_v10_0_ring_emit_reg_wait, + .emit_reg_write_reg_wait = gfx_v10_0_ring_emit_reg_write_reg_wait, }; static const struct amdgpu_ring_funcs gfx_v10_0_ring_funcs_compute = { @@ -5188,6 +5234,7 @@ static const struct amdgpu_ring_funcs gfx_v10_0_ring_funcs_compute = { .pad_ib = amdgpu_ring_generic_pad_ib, .emit_wreg = gfx_v10_0_ring_emit_wreg, .emit_reg_wait = gfx_v10_0_ring_emit_reg_wait, + .emit_reg_write_reg_wait = gfx_v10_0_ring_emit_reg_write_reg_wait, }; static const struct amdgpu_ring_funcs gfx_v10_0_ring_funcs_kiq = { @@ -5218,6 +5265,7 @@ static const struct amdgpu_ring_funcs gfx_v10_0_ring_funcs_kiq = { .emit_rreg = gfx_v10_0_ring_emit_rreg, .emit_wreg = gfx_v10_0_ring_emit_wreg, .emit_reg_wait = gfx_v10_0_ring_emit_reg_wait, + .emit_reg_write_reg_wait = gfx_v10_0_ring_emit_reg_write_reg_wait, }; static void gfx_v10_0_set_ring_funcs(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index dcadc73bffd2..97cf0b536873 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -973,6 +973,13 @@ static void gfx_v9_0_check_fw_write_wait(struct amdgpu_device *adev) adev->gfx.me_fw_write_wait = false; adev->gfx.mec_fw_write_wait = false; + if ((adev->gfx.mec_fw_version < 0x000001a5) || + (adev->gfx.mec_feature_version < 46) || + (adev->gfx.pfp_fw_version < 0x000000b7) || + (adev->gfx.pfp_feature_version < 46)) + DRM_WARN_ONCE("Warning: check cp_fw_version and update it to realize \ + GRBM requires 1-cycle delay in cp firmware\n"); + switch (adev->asic_type) { case CHIP_VEGA10: if ((adev->gfx.me_fw_version >= 0x0000009c) && @@ -1031,8 +1038,13 @@ static void gfx_v9_0_check_if_need_gfxoff(struct amdgpu_device *adev) case CHIP_VEGA20: break; case CHIP_RAVEN: - if (!(adev->rev_id >= 0x8 || adev->pdev->device == 0x15d8) - &&((adev->gfx.rlc_fw_version != 106 && + /* Disable GFXOFF on original raven. There are combinations + * of sbios and platforms that are not stable. + */ + if (!(adev->rev_id >= 0x8 || adev->pdev->device == 0x15d8)) + adev->pm.pp_feature &= ~PP_GFXOFF_MASK; + else if (!(adev->rev_id >= 0x8 || adev->pdev->device == 0x15d8) + &&((adev->gfx.rlc_fw_version != 106 && adev->gfx.rlc_fw_version < 531) || (adev->gfx.rlc_fw_version == 53815) || (adev->gfx.rlc_feature_version < 1) || @@ -1044,6 +1056,12 @@ static void gfx_v9_0_check_if_need_gfxoff(struct amdgpu_device *adev) AMD_PG_SUPPORT_CP | AMD_PG_SUPPORT_RLC_SMU_HS; break; + case CHIP_RENOIR: + if (adev->pm.pp_feature & PP_GFXOFF_MASK) + adev->pg_flags |= AMD_PG_SUPPORT_GFX_PG | + AMD_PG_SUPPORT_CP | + AMD_PG_SUPPORT_RLC_SMU_HS; + break; default: break; } diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c index 8b789f750b72..db10640a3b2f 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c @@ -151,6 +151,15 @@ static void gfxhub_v2_0_init_cache_regs(struct amdgpu_device *adev) WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL2, tmp); tmp = mmGCVM_L2_CNTL3_DEFAULT; + if (adev->gmc.translate_further) { + tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 12); + tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, + L2_CACHE_BIGK_FRAGMENT_SIZE, 9); + } else { + tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 9); + tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, + L2_CACHE_BIGK_FRAGMENT_SIZE, 6); + } WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, tmp); tmp = mmGCVM_L2_CNTL4_DEFAULT; diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c index 241a4e57cf4a..5c7d5f73f54f 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c @@ -309,6 +309,7 @@ static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, job->vm_pd_addr = amdgpu_gmc_pd_addr(adev->gart.bo); job->vm_needs_flush = true; + job->ibs->ptr[job->ibs->length_dw++] = ring->funcs->nop; amdgpu_ring_pad_ib(ring, &job->ibs[0]); r = amdgpu_job_submit(job, &adev->mman.entity, AMDGPU_FENCE_OWNER_UNDEFINED, &fence); @@ -343,11 +344,9 @@ static uint64_t gmc_v10_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 + (2 * vmid), upper_32_bits(pd_addr)); - amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_req + eng, req); - - /* wait for the invalidate to complete */ - amdgpu_ring_emit_reg_wait(ring, hub->vm_inv_eng0_ack + eng, - 1 << vmid, 1 << vmid); + amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req + eng, + hub->vm_inv_eng0_ack + eng, + req, 1 << vmid); return pd_addr; } diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c index 3542c203c3c8..b39bea6f54e9 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c @@ -137,6 +137,15 @@ static void mmhub_v2_0_init_cache_regs(struct amdgpu_device *adev) WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL2, tmp); tmp = mmMMVM_L2_CNTL3_DEFAULT; + if (adev->gmc.translate_further) { + tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 12); + tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, + L2_CACHE_BIGK_FRAGMENT_SIZE, 9); + } else { + tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 9); + tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, + L2_CACHE_BIGK_FRAGMENT_SIZE, 6); + } WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL3, tmp); tmp = mmMMVM_L2_CNTL4_DEFAULT; diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c index 0cf7ef44b4b5..9ed178fa241c 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c @@ -219,6 +219,15 @@ static void mmhub_v9_4_init_cache_regs(struct amdgpu_device *adev, int hubid) hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp); tmp = mmVML2PF0_VM_L2_CNTL3_DEFAULT; + if (adev->gmc.translate_further) { + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL3, BANK_SELECT, 12); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL3, + L2_CACHE_BIGK_FRAGMENT_SIZE, 9); + } else { + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL3, BANK_SELECT, 9); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL3, + L2_CACHE_BIGK_FRAGMENT_SIZE, 6); + } WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL3, hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp); diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index 78452cf0115d..4554e72c8378 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -254,6 +254,7 @@ static const struct soc15_reg_golden golden_settings_sdma_4_3[] = { SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0), + SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_WATERMK, 0xfc000000, 0x00000000) }; static u32 sdma_v4_0_get_reg_offset(struct amdgpu_device *adev, diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c index fa2f70ce2e2b..8493bfbbc148 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c @@ -1129,7 +1129,7 @@ static void sdma_v5_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring) amdgpu_ring_write(ring, addr & 0xfffffffc); amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff); amdgpu_ring_write(ring, seq); /* reference */ - amdgpu_ring_write(ring, 0xfffffff); /* mask */ + amdgpu_ring_write(ring, 0xffffffff); /* mask */ amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */ } @@ -1173,6 +1173,16 @@ static void sdma_v5_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); } +static void sdma_v5_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring, + uint32_t reg0, uint32_t reg1, + uint32_t ref, uint32_t mask) +{ + amdgpu_ring_emit_wreg(ring, reg0, ref); + /* wait for a cycle to reset vm_inv_eng*_ack */ + amdgpu_ring_emit_reg_wait(ring, reg0, 0, 0); + amdgpu_ring_emit_reg_wait(ring, reg1, mask, mask); +} + static int sdma_v5_0_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; @@ -1588,7 +1598,7 @@ static const struct amdgpu_ring_funcs sdma_v5_0_ring_funcs = { 6 + /* sdma_v5_0_ring_emit_pipeline_sync */ /* sdma_v5_0_ring_emit_vm_flush */ SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + - SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 + + SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 * 2 + 10 + 10 + 10, /* sdma_v5_0_ring_emit_fence x3 for user fence, vm fence */ .emit_ib_size = 7 + 6, /* sdma_v5_0_ring_emit_ib */ .emit_ib = sdma_v5_0_ring_emit_ib, @@ -1602,6 +1612,7 @@ static const struct amdgpu_ring_funcs sdma_v5_0_ring_funcs = { .pad_ib = sdma_v5_0_ring_pad_ib, .emit_wreg = sdma_v5_0_ring_emit_wreg, .emit_reg_wait = sdma_v5_0_ring_emit_reg_wait, + .emit_reg_write_reg_wait = sdma_v5_0_ring_emit_reg_write_reg_wait, .init_cond_exec = sdma_v5_0_ring_init_cond_exec, .patch_cond_exec = sdma_v5_0_ring_patch_cond_exec, .preempt_ib = sdma_v5_0_ring_preempt_ib, diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index f8ab80c8801b..4ccfcdf8f16a 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -1186,11 +1186,6 @@ static int soc15_common_early_init(void *handle) AMD_PG_SUPPORT_VCN | AMD_PG_SUPPORT_VCN_DPG; adev->external_rev_id = adev->rev_id + 0x91; - - if (adev->pm.pp_feature & PP_GFXOFF_MASK) - adev->pg_flags |= AMD_PG_SUPPORT_GFX_PG | - AMD_PG_SUPPORT_CP | - AMD_PG_SUPPORT_RLC_SMU_HS; break; default: /* FIXME: not supported yet */ diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c index 670784a78512..217084d56ab8 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c @@ -206,13 +206,14 @@ static int uvd_v6_0_enc_ring_test_ring(struct amdgpu_ring *ring) * Open up a stream for HW test */ static int uvd_v6_0_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, + struct amdgpu_bo *bo, struct dma_fence **fence) { const unsigned ib_size_dw = 16; struct amdgpu_job *job; struct amdgpu_ib *ib; struct dma_fence *f = NULL; - uint64_t dummy; + uint64_t addr; int i, r; r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); @@ -220,15 +221,15 @@ static int uvd_v6_0_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle return r; ib = &job->ibs[0]; - dummy = ib->gpu_addr + 1024; + addr = amdgpu_bo_gpu_offset(bo); ib->length_dw = 0; ib->ptr[ib->length_dw++] = 0x00000018; ib->ptr[ib->length_dw++] = 0x00000001; /* session info */ ib->ptr[ib->length_dw++] = handle; ib->ptr[ib->length_dw++] = 0x00010000; - ib->ptr[ib->length_dw++] = upper_32_bits(dummy); - ib->ptr[ib->length_dw++] = dummy; + ib->ptr[ib->length_dw++] = upper_32_bits(addr); + ib->ptr[ib->length_dw++] = addr; ib->ptr[ib->length_dw++] = 0x00000014; ib->ptr[ib->length_dw++] = 0x00000002; /* task info */ @@ -268,13 +269,14 @@ err: */ static int uvd_v6_0_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, + struct amdgpu_bo *bo, struct dma_fence **fence) { const unsigned ib_size_dw = 16; struct amdgpu_job *job; struct amdgpu_ib *ib; struct dma_fence *f = NULL; - uint64_t dummy; + uint64_t addr; int i, r; r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); @@ -282,15 +284,15 @@ static int uvd_v6_0_enc_get_destroy_msg(struct amdgpu_ring *ring, return r; ib = &job->ibs[0]; - dummy = ib->gpu_addr + 1024; + addr = amdgpu_bo_gpu_offset(bo); ib->length_dw = 0; ib->ptr[ib->length_dw++] = 0x00000018; ib->ptr[ib->length_dw++] = 0x00000001; /* session info */ ib->ptr[ib->length_dw++] = handle; ib->ptr[ib->length_dw++] = 0x00010000; - ib->ptr[ib->length_dw++] = upper_32_bits(dummy); - ib->ptr[ib->length_dw++] = dummy; + ib->ptr[ib->length_dw++] = upper_32_bits(addr); + ib->ptr[ib->length_dw++] = addr; ib->ptr[ib->length_dw++] = 0x00000014; ib->ptr[ib->length_dw++] = 0x00000002; /* task info */ @@ -327,13 +329,20 @@ err: static int uvd_v6_0_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout) { struct dma_fence *fence = NULL; + struct amdgpu_bo *bo = NULL; long r; - r = uvd_v6_0_enc_get_create_msg(ring, 1, NULL); + r = amdgpu_bo_create_reserved(ring->adev, 128 * 1024, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM, + &bo, NULL, NULL); + if (r) + return r; + + r = uvd_v6_0_enc_get_create_msg(ring, 1, bo, NULL); if (r) goto error; - r = uvd_v6_0_enc_get_destroy_msg(ring, 1, &fence); + r = uvd_v6_0_enc_get_destroy_msg(ring, 1, bo, &fence); if (r) goto error; @@ -345,6 +354,8 @@ static int uvd_v6_0_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout) error: dma_fence_put(fence); + amdgpu_bo_unreserve(bo); + amdgpu_bo_unref(&bo); return r; } diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c index 01f658fa72c6..0995378d8263 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c @@ -214,13 +214,14 @@ static int uvd_v7_0_enc_ring_test_ring(struct amdgpu_ring *ring) * Open up a stream for HW test */ static int uvd_v7_0_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, + struct amdgpu_bo *bo, struct dma_fence **fence) { const unsigned ib_size_dw = 16; struct amdgpu_job *job; struct amdgpu_ib *ib; struct dma_fence *f = NULL; - uint64_t dummy; + uint64_t addr; int i, r; r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); @@ -228,15 +229,15 @@ static int uvd_v7_0_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle return r; ib = &job->ibs[0]; - dummy = ib->gpu_addr + 1024; + addr = amdgpu_bo_gpu_offset(bo); ib->length_dw = 0; ib->ptr[ib->length_dw++] = 0x00000018; ib->ptr[ib->length_dw++] = 0x00000001; /* session info */ ib->ptr[ib->length_dw++] = handle; ib->ptr[ib->length_dw++] = 0x00000000; - ib->ptr[ib->length_dw++] = upper_32_bits(dummy); - ib->ptr[ib->length_dw++] = dummy; + ib->ptr[ib->length_dw++] = upper_32_bits(addr); + ib->ptr[ib->length_dw++] = addr; ib->ptr[ib->length_dw++] = 0x00000014; ib->ptr[ib->length_dw++] = 0x00000002; /* task info */ @@ -275,13 +276,14 @@ err: * Close up a stream for HW test or if userspace failed to do so */ static int uvd_v7_0_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, - struct dma_fence **fence) + struct amdgpu_bo *bo, + struct dma_fence **fence) { const unsigned ib_size_dw = 16; struct amdgpu_job *job; struct amdgpu_ib *ib; struct dma_fence *f = NULL; - uint64_t dummy; + uint64_t addr; int i, r; r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); @@ -289,15 +291,15 @@ static int uvd_v7_0_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handl return r; ib = &job->ibs[0]; - dummy = ib->gpu_addr + 1024; + addr = amdgpu_bo_gpu_offset(bo); ib->length_dw = 0; ib->ptr[ib->length_dw++] = 0x00000018; ib->ptr[ib->length_dw++] = 0x00000001; ib->ptr[ib->length_dw++] = handle; ib->ptr[ib->length_dw++] = 0x00000000; - ib->ptr[ib->length_dw++] = upper_32_bits(dummy); - ib->ptr[ib->length_dw++] = dummy; + ib->ptr[ib->length_dw++] = upper_32_bits(addr); + ib->ptr[ib->length_dw++] = addr; ib->ptr[ib->length_dw++] = 0x00000014; ib->ptr[ib->length_dw++] = 0x00000002; @@ -334,13 +336,20 @@ err: static int uvd_v7_0_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout) { struct dma_fence *fence = NULL; + struct amdgpu_bo *bo = NULL; long r; - r = uvd_v7_0_enc_get_create_msg(ring, 1, NULL); + r = amdgpu_bo_create_reserved(ring->adev, 128 * 1024, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM, + &bo, NULL, NULL); + if (r) + return r; + + r = uvd_v7_0_enc_get_create_msg(ring, 1, bo, NULL); if (r) goto error; - r = uvd_v7_0_enc_get_destroy_msg(ring, 1, &fence); + r = uvd_v7_0_enc_get_destroy_msg(ring, 1, bo, &fence); if (r) goto error; @@ -352,6 +361,8 @@ static int uvd_v7_0_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout) error: dma_fence_put(fence); + amdgpu_bo_unreserve(bo); + amdgpu_bo_unref(&bo); return r; } diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index a52f0b13a2c8..4139f129eafb 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -688,7 +688,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) */ if (adev->flags & AMD_IS_APU && adev->asic_type >= CHIP_CARRIZO && - adev->asic_type <= CHIP_RAVEN) + adev->asic_type < CHIP_RAVEN) init_data.flags.gpu_vm_support = true; if (amdgpu_dc_feature_mask & DC_FBC_MASK) diff --git a/drivers/gpu/drm/amd/display/dc/calcs/Makefile b/drivers/gpu/drm/amd/display/dc/calcs/Makefile index 985633c08a26..26c6d735cdc7 100644 --- a/drivers/gpu/drm/amd/display/dc/calcs/Makefile +++ b/drivers/gpu/drm/amd/display/dc/calcs/Makefile @@ -24,15 +24,20 @@ # It calculates Bandwidth and Watermarks values for HW programming # -ifneq ($(call cc-option, -mpreferred-stack-boundary=4),) - cc_stack_align := -mpreferred-stack-boundary=4 -else ifneq ($(call cc-option, -mstack-alignment=16),) - cc_stack_align := -mstack-alignment=16 -endif +calcs_ccflags := -mhard-float -msse -calcs_ccflags := -mhard-float -msse $(cc_stack_align) +ifdef CONFIG_CC_IS_GCC +ifeq ($(call cc-ifversion, -lt, 0701, y), y) +IS_OLD_GCC = 1 +endif +endif -ifdef CONFIG_CC_IS_CLANG +ifdef IS_OLD_GCC +# Stack alignment mismatch, proceed with caution. +# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3 +# (8B stack alignment). +calcs_ccflags += -mpreferred-stack-boundary=4 +else calcs_ccflags += -msse2 endif diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 5d1adeda4d90..4b8819c27fcd 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -580,6 +580,10 @@ static bool construct(struct dc *dc, #ifdef CONFIG_DRM_AMD_DC_DCN2_0 // Allocate memory for the vm_helper dc->vm_helper = kzalloc(sizeof(struct vm_helper), GFP_KERNEL); + if (!dc->vm_helper) { + dm_error("%s: failed to create dc->vm_helper\n", __func__); + goto fail; + } #endif memcpy(&dc->bb_overrides, &init_params->bb_overrides, sizeof(dc->bb_overrides)); diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c index 505967b48e14..51991bf26a93 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c @@ -374,6 +374,7 @@ void dal_ddc_service_i2c_query_dp_dual_mode_adaptor( enum display_dongle_type *dongle = &sink_cap->dongle_type; uint8_t type2_dongle_buf[DP_ADAPTOR_TYPE2_SIZE]; bool is_type2_dongle = false; + int retry_count = 2; struct dp_hdmi_dongle_signature_data *dongle_signature; /* Assume we have no valid DP passive dongle connected */ @@ -386,13 +387,24 @@ void dal_ddc_service_i2c_query_dp_dual_mode_adaptor( DP_HDMI_DONGLE_ADDRESS, type2_dongle_buf, sizeof(type2_dongle_buf))) { - *dongle = DISPLAY_DONGLE_DP_DVI_DONGLE; - sink_cap->max_hdmi_pixel_clock = DP_ADAPTOR_DVI_MAX_TMDS_CLK; + /* Passive HDMI dongles can sometimes fail here without retrying*/ + while (retry_count > 0) { + if (i2c_read(ddc, + DP_HDMI_DONGLE_ADDRESS, + type2_dongle_buf, + sizeof(type2_dongle_buf))) + break; + retry_count--; + } + if (retry_count == 0) { + *dongle = DISPLAY_DONGLE_DP_DVI_DONGLE; + sink_cap->max_hdmi_pixel_clock = DP_ADAPTOR_DVI_MAX_TMDS_CLK; - CONN_DATA_DETECT(ddc->link, type2_dongle_buf, sizeof(type2_dongle_buf), - "DP-DVI passive dongle %dMhz: ", - DP_ADAPTOR_DVI_MAX_TMDS_CLK / 1000); - return; + CONN_DATA_DETECT(ddc->link, type2_dongle_buf, sizeof(type2_dongle_buf), + "DP-DVI passive dongle %dMhz: ", + DP_ADAPTOR_DVI_MAX_TMDS_CLK / 1000); + return; + } } /* Check if Type 2 dongle.*/ diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index 8f70295179ff..f25ac17f47fa 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -404,6 +404,9 @@ bool resource_are_streams_timing_synchronizable( if (stream1->view_format != stream2->view_format) return false; + if (stream1->ignore_msa_timing_param || stream2->ignore_msa_timing_param) + return false; + return true; } static bool is_dp_and_hdmi_sharable( @@ -1540,6 +1543,9 @@ bool dc_is_stream_unchanged( if (!are_stream_backends_same(old_stream, stream)) return false; + if (old_stream->ignore_msa_timing_param != stream->ignore_msa_timing_param) + return false; + return true; } diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c index 01c7e30b9ce1..bbd6e01b3eca 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c @@ -393,6 +393,10 @@ bool cm_helper_translate_curve_to_hw_format( rgb_resulted[hw_points - 1].green = output_tf->tf_pts.green[start_index]; rgb_resulted[hw_points - 1].blue = output_tf->tf_pts.blue[start_index]; + rgb_resulted[hw_points].red = rgb_resulted[hw_points - 1].red; + rgb_resulted[hw_points].green = rgb_resulted[hw_points - 1].green; + rgb_resulted[hw_points].blue = rgb_resulted[hw_points - 1].blue; + // All 3 color channels have same x corner_points[0].red.x = dc_fixpt_pow(dc_fixpt_from_int(2), dc_fixpt_from_int(region_start)); @@ -464,13 +468,6 @@ bool cm_helper_translate_curve_to_hw_format( i = 1; while (i != hw_points + 1) { - if (dc_fixpt_lt(rgb_plus_1->red, rgb->red)) - rgb_plus_1->red = rgb->red; - if (dc_fixpt_lt(rgb_plus_1->green, rgb->green)) - rgb_plus_1->green = rgb->green; - if (dc_fixpt_lt(rgb_plus_1->blue, rgb->blue)) - rgb_plus_1->blue = rgb->blue; - rgb->delta_red = dc_fixpt_sub(rgb_plus_1->red, rgb->red); rgb->delta_green = dc_fixpt_sub(rgb_plus_1->green, rgb->green); rgb->delta_blue = dc_fixpt_sub(rgb_plus_1->blue, rgb->blue); @@ -562,6 +559,10 @@ bool cm_helper_translate_curve_to_degamma_hw_format( rgb_resulted[hw_points - 1].green = output_tf->tf_pts.green[start_index]; rgb_resulted[hw_points - 1].blue = output_tf->tf_pts.blue[start_index]; + rgb_resulted[hw_points].red = rgb_resulted[hw_points - 1].red; + rgb_resulted[hw_points].green = rgb_resulted[hw_points - 1].green; + rgb_resulted[hw_points].blue = rgb_resulted[hw_points - 1].blue; + corner_points[0].red.x = dc_fixpt_pow(dc_fixpt_from_int(2), dc_fixpt_from_int(region_start)); corner_points[0].green.x = corner_points[0].red.x; @@ -624,13 +625,6 @@ bool cm_helper_translate_curve_to_degamma_hw_format( i = 1; while (i != hw_points + 1) { - if (dc_fixpt_lt(rgb_plus_1->red, rgb->red)) - rgb_plus_1->red = rgb->red; - if (dc_fixpt_lt(rgb_plus_1->green, rgb->green)) - rgb_plus_1->green = rgb->green; - if (dc_fixpt_lt(rgb_plus_1->blue, rgb->blue)) - rgb_plus_1->blue = rgb->blue; - rgb->delta_red = dc_fixpt_sub(rgb_plus_1->red, rgb->red); rgb->delta_green = dc_fixpt_sub(rgb_plus_1->green, rgb->green); rgb->delta_blue = dc_fixpt_sub(rgb_plus_1->blue, rgb->blue); diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/Makefile b/drivers/gpu/drm/amd/display/dc/dcn20/Makefile index ddb8d5649e79..63f3bddba7da 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dcn20/Makefile @@ -10,15 +10,20 @@ ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT DCN20 += dcn20_dsc.o endif -ifneq ($(call cc-option, -mpreferred-stack-boundary=4),) - cc_stack_align := -mpreferred-stack-boundary=4 -else ifneq ($(call cc-option, -mstack-alignment=16),) - cc_stack_align := -mstack-alignment=16 -endif +CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o := -mhard-float -msse -CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o := -mhard-float -msse $(cc_stack_align) +ifdef CONFIG_CC_IS_GCC +ifeq ($(call cc-ifversion, -lt, 0701, y), y) +IS_OLD_GCC = 1 +endif +endif -ifdef CONFIG_CC_IS_CLANG +ifdef IS_OLD_GCC +# Stack alignment mismatch, proceed with caution. +# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3 +# (8B stack alignment). +CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o += -mpreferred-stack-boundary=4 +else CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o += -msse2 endif diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c index 5a2763daff4d..6b2f2f1a1c9c 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -814,7 +814,7 @@ static const struct resource_caps res_cap_nv14 = { .num_audio = 6, .num_stream_encoder = 5, .num_pll = 5, - .num_dwb = 0, + .num_dwb = 1, .num_ddc = 5, }; @@ -1107,6 +1107,11 @@ struct stream_encoder *dcn20_stream_encoder_create( if (!enc1) return NULL; + if (ASICREV_IS_NAVI14_M(ctx->asic_id.hw_internal_rev)) { + if (eng_id >= ENGINE_ID_DIGD) + eng_id++; + } + dcn20_stream_encoder_construct(enc1, ctx, ctx->dc_bios, eng_id, &stream_enc_regs[eng_id], &se_shift, &se_mask); diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/Makefile b/drivers/gpu/drm/amd/display/dc/dcn21/Makefile index ef673bffc241..ff50ae71fe27 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn21/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dcn21/Makefile @@ -3,15 +3,20 @@ DCN21 = dcn21_hubp.o dcn21_hubbub.o dcn21_resource.o -ifneq ($(call cc-option, -mpreferred-stack-boundary=4),) - cc_stack_align := -mpreferred-stack-boundary=4 -else ifneq ($(call cc-option, -mstack-alignment=16),) - cc_stack_align := -mstack-alignment=16 -endif +CFLAGS_$(AMDDALPATH)/dc/dcn21/dcn21_resource.o := -mhard-float -msse -CFLAGS_$(AMDDALPATH)/dc/dcn21/dcn21_resource.o := -mhard-float -msse $(cc_stack_align) +ifdef CONFIG_CC_IS_GCC +ifeq ($(call cc-ifversion, -lt, 0701, y), y) +IS_OLD_GCC = 1 +endif +endif -ifdef CONFIG_CC_IS_CLANG +ifdef IS_OLD_GCC +# Stack alignment mismatch, proceed with caution. +# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3 +# (8B stack alignment). +CFLAGS_$(AMDDALPATH)/dc/dcn21/dcn21_resource.o += -mpreferred-stack-boundary=4 +else CFLAGS_$(AMDDALPATH)/dc/dcn21/dcn21_resource.o += -msse2 endif diff --git a/drivers/gpu/drm/amd/display/dc/dml/Makefile b/drivers/gpu/drm/amd/display/dc/dml/Makefile index 5b2a65b42403..8df251626e22 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dml/Makefile @@ -24,15 +24,20 @@ # It provides the general basic services required by other DAL # subcomponents. -ifneq ($(call cc-option, -mpreferred-stack-boundary=4),) - cc_stack_align := -mpreferred-stack-boundary=4 -else ifneq ($(call cc-option, -mstack-alignment=16),) - cc_stack_align := -mstack-alignment=16 -endif +dml_ccflags := -mhard-float -msse -dml_ccflags := -mhard-float -msse $(cc_stack_align) +ifdef CONFIG_CC_IS_GCC +ifeq ($(call cc-ifversion, -lt, 0701, y), y) +IS_OLD_GCC = 1 +endif +endif -ifdef CONFIG_CC_IS_CLANG +ifdef IS_OLD_GCC +# Stack alignment mismatch, proceed with caution. +# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3 +# (8B stack alignment). +dml_ccflags += -mpreferred-stack-boundary=4 +else dml_ccflags += -msse2 endif diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c index 649883777f62..6c6c486b774a 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c @@ -2577,7 +2577,8 @@ static void dml20_DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPer mode_lib->vba.MinActiveDRAMClockChangeMargin + mode_lib->vba.DRAMClockChangeLatency; - if (mode_lib->vba.MinActiveDRAMClockChangeMargin > 0) { + if (mode_lib->vba.MinActiveDRAMClockChangeMargin > 50) { + mode_lib->vba.DRAMClockChangeWatermark += 25; mode_lib->vba.DRAMClockChangeSupport[0][0] = dm_dram_clock_change_vactive; } else { if (mode_lib->vba.SynchronizedVBlank || mode_lib->vba.NumberOfActivePlanes == 1) { diff --git a/drivers/gpu/drm/amd/display/dc/dsc/Makefile b/drivers/gpu/drm/amd/display/dc/dsc/Makefile index b456cd23c6fa..970737217e53 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dsc/Makefile @@ -1,15 +1,20 @@ # # Makefile for the 'dsc' sub-component of DAL. -ifneq ($(call cc-option, -mpreferred-stack-boundary=4),) - cc_stack_align := -mpreferred-stack-boundary=4 -else ifneq ($(call cc-option, -mstack-alignment=16),) - cc_stack_align := -mstack-alignment=16 -endif +dsc_ccflags := -mhard-float -msse -dsc_ccflags := -mhard-float -msse $(cc_stack_align) +ifdef CONFIG_CC_IS_GCC +ifeq ($(call cc-ifversion, -lt, 0701, y), y) +IS_OLD_GCC = 1 +endif +endif -ifdef CONFIG_CC_IS_CLANG +ifdef IS_OLD_GCC +# Stack alignment mismatch, proceed with caution. +# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3 +# (8B stack alignment). +dsc_ccflags += -mpreferred-stack-boundary=4 +else dsc_ccflags += -msse2 endif diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index 34f95e0e3ea4..203ce4b1028f 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -3478,18 +3478,31 @@ static int smu7_get_pp_table_entry(struct pp_hwmgr *hwmgr, static int smu7_get_gpu_power(struct pp_hwmgr *hwmgr, u32 *query) { + struct amdgpu_device *adev = hwmgr->adev; int i; u32 tmp = 0; if (!query) return -EINVAL; - smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetCurrPkgPwr, 0); - tmp = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0); - *query = tmp; + /* + * PPSMC_MSG_GetCurrPkgPwr is not supported on: + * - Hawaii + * - Bonaire + * - Fiji + * - Tonga + */ + if ((adev->asic_type != CHIP_HAWAII) && + (adev->asic_type != CHIP_BONAIRE) && + (adev->asic_type != CHIP_FIJI) && + (adev->asic_type != CHIP_TONGA)) { + smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetCurrPkgPwr, 0); + tmp = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0); + *query = tmp; - if (tmp != 0) - return 0; + if (tmp != 0) + return 0; + } smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PmStatusLogStart); cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c index d08493b67b67..beacfffbdc3e 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c @@ -5098,9 +5098,7 @@ static void vega10_odn_update_soc_table(struct pp_hwmgr *hwmgr, if (type == PP_OD_EDIT_SCLK_VDDC_TABLE) { podn_vdd_dep = &data->odn_dpm_table.vdd_dep_on_sclk; - for (i = 0; i < podn_vdd_dep->count - 1; i++) - od_vddc_lookup_table->entries[i].us_vdd = podn_vdd_dep->entries[i].vddc; - if (od_vddc_lookup_table->entries[i].us_vdd < podn_vdd_dep->entries[i].vddc) + for (i = 0; i < podn_vdd_dep->count; i++) od_vddc_lookup_table->entries[i].us_vdd = podn_vdd_dep->entries[i].vddc; } else if (type == PP_OD_EDIT_MCLK_VDDC_TABLE) { podn_vdd_dep = &data->odn_dpm_table.vdd_dep_on_mclk; diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index 0b461404af6b..328e258a6895 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -205,7 +205,7 @@ static struct smu_11_0_cmn2aisc_mapping navi10_workload_map[PP_SMC_POWER_PROFILE WORKLOAD_MAP(PP_SMC_POWER_PROFILE_POWERSAVING, WORKLOAD_PPLIB_POWER_SAVING_BIT), WORKLOAD_MAP(PP_SMC_POWER_PROFILE_VIDEO, WORKLOAD_PPLIB_VIDEO_BIT), WORKLOAD_MAP(PP_SMC_POWER_PROFILE_VR, WORKLOAD_PPLIB_VR_BIT), - WORKLOAD_MAP(PP_SMC_POWER_PROFILE_COMPUTE, WORKLOAD_PPLIB_CUSTOM_BIT), + WORKLOAD_MAP(PP_SMC_POWER_PROFILE_COMPUTE, WORKLOAD_PPLIB_COMPUTE_BIT), WORKLOAD_MAP(PP_SMC_POWER_PROFILE_CUSTOM, WORKLOAD_PPLIB_CUSTOM_BIT), }; @@ -759,6 +759,12 @@ static int navi10_force_clk_levels(struct smu_context *smu, case SMU_UCLK: case SMU_DCEFCLK: case SMU_FCLK: + /* There is only 2 levels for fine grained DPM */ + if (navi10_is_support_fine_grained_dpm(smu, clk_type)) { + soft_max_level = (soft_max_level >= 1 ? 1 : 0); + soft_min_level = (soft_min_level >= 1 ? 1 : 0); + } + ret = smu_get_dpm_freq_by_index(smu, clk_type, soft_min_level, &min_freq); if (ret) return size; diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c index dc754447f0dd..23c12018dbc1 100644 --- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c +++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c @@ -655,7 +655,7 @@ static int polaris10_populate_smc_mvdd_table(struct pp_hwmgr *hwmgr, count = SMU_MAX_SMIO_LEVELS; for (level = 0; level < count; level++) { table->SmioTable2.Pattern[level].Voltage = - PP_HOST_TO_SMC_US(data->mvdd_voltage_table.entries[count].value * VOLTAGE_SCALE); + PP_HOST_TO_SMC_US(data->mvdd_voltage_table.entries[level].value * VOLTAGE_SCALE); /* Index into DpmTable.Smio. Drive bits from Smio entry to get this voltage level.*/ table->SmioTable2.Pattern[level].Smio = (uint8_t) level; diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c index 7c960b07746f..ae18fbcb26fb 100644 --- a/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c +++ b/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c @@ -456,7 +456,7 @@ static int vegam_populate_smc_mvdd_table(struct pp_hwmgr *hwmgr, count = SMU_MAX_SMIO_LEVELS; for (level = 0; level < count; level++) { table->SmioTable2.Pattern[level].Voltage = PP_HOST_TO_SMC_US( - data->mvdd_voltage_table.entries[count].value * VOLTAGE_SCALE); + data->mvdd_voltage_table.entries[level].value * VOLTAGE_SCALE); /* Index into DpmTable.Smio. Drive bits from Smio entry to get this voltage level.*/ table->SmioTable2.Pattern[level].Smio = (uint8_t) level; diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c index bbd8ebd58434..92c393f613d3 100644 --- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c @@ -219,7 +219,7 @@ static struct smu_11_0_cmn2aisc_mapping vega20_workload_map[PP_SMC_POWER_PROFILE WORKLOAD_MAP(PP_SMC_POWER_PROFILE_POWERSAVING, WORKLOAD_PPLIB_POWER_SAVING_BIT), WORKLOAD_MAP(PP_SMC_POWER_PROFILE_VIDEO, WORKLOAD_PPLIB_VIDEO_BIT), WORKLOAD_MAP(PP_SMC_POWER_PROFILE_VR, WORKLOAD_PPLIB_VR_BIT), - WORKLOAD_MAP(PP_SMC_POWER_PROFILE_COMPUTE, WORKLOAD_PPLIB_CUSTOM_BIT), + WORKLOAD_MAP(PP_SMC_POWER_PROFILE_COMPUTE, WORKLOAD_PPLIB_COMPUTE_BIT), WORKLOAD_MAP(PP_SMC_POWER_PROFILE_CUSTOM, WORKLOAD_PPLIB_CUSTOM_BIT), }; diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c index 8820ce15ce37..ae274902ff92 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c @@ -82,7 +82,8 @@ static void komeda_kms_commit_tail(struct drm_atomic_state *old_state) drm_atomic_helper_commit_modeset_disables(dev, old_state); - drm_atomic_helper_commit_planes(dev, old_state, 0); + drm_atomic_helper_commit_planes(dev, old_state, + DRM_PLANE_COMMIT_ACTIVE_ONLY); drm_atomic_helper_commit_modeset_enables(dev, old_state); diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c index ea26bc9c2d00..b848270e0a1f 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c @@ -564,8 +564,8 @@ komeda_splitter_validate(struct komeda_splitter *splitter, } if (!in_range(&splitter->vsize, dflow->in_h)) { - DRM_DEBUG_ATOMIC("split in_in: %d exceed the acceptable range.\n", - dflow->in_w); + DRM_DEBUG_ATOMIC("split in_h: %d exceeds the acceptable range.\n", + dflow->in_h); return -EINVAL; } diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index cebc8e620820..8a8d605021f0 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -728,6 +728,8 @@ static int tc_set_video_mode(struct tc_data *tc, int lower_margin = mode->vsync_start - mode->vdisplay; int vsync_len = mode->vsync_end - mode->vsync_start; u32 dp0_syncval; + u32 bits_per_pixel = 24; + u32 in_bw, out_bw; /* * Recommended maximum number of symbols transferred in a transfer unit: @@ -735,7 +737,10 @@ static int tc_set_video_mode(struct tc_data *tc, * (output active video bandwidth in bytes)) * Must be less than tu_size. */ - max_tu_symbol = TU_SIZE_RECOMMENDED - 1; + + in_bw = mode->clock * bits_per_pixel / 8; + out_bw = tc->link.base.num_lanes * tc->link.base.rate; + max_tu_symbol = DIV_ROUND_UP(in_bw * TU_SIZE_RECOMMENDED, out_bw); dev_dbg(tc->dev, "set mode %dx%d\n", mode->hdisplay, mode->vdisplay); diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 3ef2ac52ce94..2dd2cd87cdbb 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1581,8 +1581,11 @@ static void commit_tail(struct drm_atomic_state *old_state) { struct drm_device *dev = old_state->dev; const struct drm_mode_config_helper_funcs *funcs; + struct drm_crtc_state *new_crtc_state; + struct drm_crtc *crtc; ktime_t start; s64 commit_time_ms; + unsigned int i, new_self_refresh_mask = 0; funcs = dev->mode_config.helper_private; @@ -1602,6 +1605,15 @@ static void commit_tail(struct drm_atomic_state *old_state) drm_atomic_helper_wait_for_dependencies(old_state); + /* + * We cannot safely access new_crtc_state after + * drm_atomic_helper_commit_hw_done() so figure out which crtc's have + * self-refresh active beforehand: + */ + for_each_new_crtc_in_state(old_state, crtc, new_crtc_state, i) + if (new_crtc_state->self_refresh_active) + new_self_refresh_mask |= BIT(i); + if (funcs && funcs->atomic_commit_tail) funcs->atomic_commit_tail(old_state); else @@ -1610,7 +1622,8 @@ static void commit_tail(struct drm_atomic_state *old_state) commit_time_ms = ktime_ms_delta(ktime_get(), start); if (commit_time_ms > 0) drm_self_refresh_helper_update_avg_times(old_state, - (unsigned long)commit_time_ms); + (unsigned long)commit_time_ms, + new_self_refresh_mask); drm_atomic_helper_commit_cleanup_done(old_state); diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 82a4ceed3fcf..6b0177112e18 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -159,6 +159,9 @@ static const struct edid_quirk { /* Medion MD 30217 PG */ { "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 }, + /* Lenovo G50 */ + { "SDC", 18514, EDID_QUIRK_FORCE_6BPC }, + /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */ { "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC }, diff --git a/drivers/gpu/drm/drm_self_refresh_helper.c b/drivers/gpu/drm/drm_self_refresh_helper.c index 68f4765a5896..dd33fec5aabd 100644 --- a/drivers/gpu/drm/drm_self_refresh_helper.c +++ b/drivers/gpu/drm/drm_self_refresh_helper.c @@ -133,29 +133,33 @@ out_drop_locks: * drm_self_refresh_helper_update_avg_times - Updates a crtc's SR time averages * @state: the state which has just been applied to hardware * @commit_time_ms: the amount of time in ms that this commit took to complete + * @new_self_refresh_mask: bitmask of crtc's that have self_refresh_active in + * new state * * Called after &drm_mode_config_funcs.atomic_commit_tail, this function will * update the average entry/exit self refresh times on self refresh transitions. * These averages will be used when calculating how long to delay before * entering self refresh mode after activity. */ -void drm_self_refresh_helper_update_avg_times(struct drm_atomic_state *state, - unsigned int commit_time_ms) +void +drm_self_refresh_helper_update_avg_times(struct drm_atomic_state *state, + unsigned int commit_time_ms, + unsigned int new_self_refresh_mask) { struct drm_crtc *crtc; - struct drm_crtc_state *old_crtc_state, *new_crtc_state; + struct drm_crtc_state *old_crtc_state; int i; - for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, - new_crtc_state, i) { + for_each_old_crtc_in_state(state, crtc, old_crtc_state, i) { + bool new_self_refresh_active = new_self_refresh_mask & BIT(i); struct drm_self_refresh_data *sr_data = crtc->self_refresh_data; struct ewma_psr_time *time; if (old_crtc_state->self_refresh_active == - new_crtc_state->self_refresh_active) + new_self_refresh_active) continue; - if (new_crtc_state->self_refresh_active) + if (new_self_refresh_active) time = &sr_data->entry_avg_ms; else time = &sr_data->exit_avg_ms; diff --git a/drivers/gpu/drm/etnaviv/etnaviv_dump.c b/drivers/gpu/drm/etnaviv/etnaviv_dump.c index 698db540972c..648cf0207309 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_dump.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_dump.c @@ -180,6 +180,8 @@ void etnaviv_core_dump(struct etnaviv_gem_submit *submit) etnaviv_cmdbuf_get_va(&submit->cmdbuf, &gpu->mmu_context->cmdbuf_mapping)); + mutex_unlock(&gpu->mmu_context->lock); + /* Reserve space for the bomap */ if (n_bomap_pages) { bomap_start = bomap = iter.data; @@ -221,8 +223,6 @@ void etnaviv_core_dump(struct etnaviv_gem_submit *submit) obj->base.size); } - mutex_unlock(&gpu->mmu_context->lock); - etnaviv_core_dump_header(&iter, ETDUMP_BUF_END, iter.data); dev_coredumpv(gpu->dev, iter.start, iter.data - iter.start, GFP_KERNEL); diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c index 043111a1d60c..f8bf488e9d71 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c @@ -155,9 +155,11 @@ static void etnaviv_iommuv2_dump(struct etnaviv_iommu_context *context, void *bu memcpy(buf, v2_context->mtlb_cpu, SZ_4K); buf += SZ_4K; - for (i = 0; i < MMUv2_MAX_STLB_ENTRIES; i++, buf += SZ_4K) - if (v2_context->mtlb_cpu[i] & MMUv2_PTE_PRESENT) + for (i = 0; i < MMUv2_MAX_STLB_ENTRIES; i++) + if (v2_context->mtlb_cpu[i] & MMUv2_PTE_PRESENT) { memcpy(buf, v2_context->stlb_cpu[i], SZ_4K); + buf += SZ_4K; + } } static void etnaviv_iommuv2_restore_nonsec(struct etnaviv_gpu *gpu, diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c index 35ebae6a1be7..3607d348c298 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c @@ -328,12 +328,23 @@ etnaviv_iommu_context_init(struct etnaviv_iommu_global *global, ret = etnaviv_cmdbuf_suballoc_map(suballoc, ctx, &ctx->cmdbuf_mapping, global->memory_base); - if (ret) { - global->ops->free(ctx); - return NULL; + if (ret) + goto out_free; + + if (global->version == ETNAVIV_IOMMU_V1 && + ctx->cmdbuf_mapping.iova > 0x80000000) { + dev_err(global->dev, + "command buffer outside valid memory window\n"); + goto out_unmap; } return ctx; + +out_unmap: + etnaviv_cmdbuf_suballoc_unmap(ctx, &ctx->cmdbuf_mapping); +out_free: + global->ops->free(ctx); + return NULL; } void etnaviv_iommu_restore(struct etnaviv_gpu *gpu, diff --git a/drivers/gpu/drm/i915/display/intel_atomic.c b/drivers/gpu/drm/i915/display/intel_atomic.c index d3fb75bb9eb1..7cb2257bbb93 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic.c +++ b/drivers/gpu/drm/i915/display/intel_atomic.c @@ -201,6 +201,7 @@ intel_crtc_duplicate_state(struct drm_crtc *crtc) crtc_state->update_wm_post = false; crtc_state->fb_changed = false; crtc_state->fifo_changed = false; + crtc_state->preload_luts = false; crtc_state->wm.need_postvbl_update = false; crtc_state->fb_bits = 0; crtc_state->update_planes = 0; diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index efb39f350b19..3250c1b8dcca 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -1270,7 +1270,7 @@ static void sanitize_ddc_pin(struct drm_i915_private *dev_priv, DRM_DEBUG_KMS("port %c trying to use the same DDC pin (0x%x) as port %c, " "disabling port %c DVI/HDMI support\n", port_name(port), info->alternate_ddc_pin, - port_name(p), port_name(port)); + port_name(p), port_name(p)); /* * If we have multiple ports supposedly sharing the @@ -1278,9 +1278,14 @@ static void sanitize_ddc_pin(struct drm_i915_private *dev_priv, * port. Otherwise they share the same ddc bin and * system couldn't communicate with them separately. * - * Give child device order the priority, first come first - * served. + * Give inverse child device order the priority, + * last one wins. Yes, there are real machines + * (eg. Asrock B250M-HDV) where VBT has both + * port A and port E with the same AUX ch and + * we must pick port E :( */ + info = &dev_priv->vbt.ddi_port_info[p]; + info->supports_dvi = false; info->supports_hdmi = false; info->alternate_ddc_pin = 0; @@ -1316,7 +1321,7 @@ static void sanitize_aux_ch(struct drm_i915_private *dev_priv, DRM_DEBUG_KMS("port %c trying to use the same AUX CH (0x%x) as port %c, " "disabling port %c DP support\n", port_name(port), info->alternate_aux_channel, - port_name(p), port_name(port)); + port_name(p), port_name(p)); /* * If we have multiple ports supposedlt sharing the @@ -1324,9 +1329,14 @@ static void sanitize_aux_ch(struct drm_i915_private *dev_priv, * port. Otherwise they share the same aux channel * and system couldn't communicate with them separately. * - * Give child device order the priority, first come first - * served. + * Give inverse child device order the priority, + * last one wins. Yes, there are real machines + * (eg. Asrock B250M-HDV) where VBT has both + * port A and port E with the same AUX ch and + * we must pick port E :( */ + info = &dev_priv->vbt.ddi_port_info[p]; + info->supports_dp = false; info->alternate_aux_channel = 0; } diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c index 71a0201437a9..aa1e2c670bc4 100644 --- a/drivers/gpu/drm/i915/display/intel_color.c +++ b/drivers/gpu/drm/i915/display/intel_color.c @@ -990,6 +990,55 @@ void intel_color_commit(const struct intel_crtc_state *crtc_state) dev_priv->display.color_commit(crtc_state); } +static bool intel_can_preload_luts(const struct intel_crtc_state *new_crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->base.crtc); + struct intel_atomic_state *state = + to_intel_atomic_state(new_crtc_state->base.state); + const struct intel_crtc_state *old_crtc_state = + intel_atomic_get_old_crtc_state(state, crtc); + + return !old_crtc_state->base.gamma_lut && + !old_crtc_state->base.degamma_lut; +} + +static bool chv_can_preload_luts(const struct intel_crtc_state *new_crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->base.crtc); + struct intel_atomic_state *state = + to_intel_atomic_state(new_crtc_state->base.state); + const struct intel_crtc_state *old_crtc_state = + intel_atomic_get_old_crtc_state(state, crtc); + + /* + * CGM_PIPE_MODE is itself single buffered. We'd have to + * somehow split it out from chv_load_luts() if we wanted + * the ability to preload the CGM LUTs/CSC without tearing. + */ + if (old_crtc_state->cgm_mode || new_crtc_state->cgm_mode) + return false; + + return !old_crtc_state->base.gamma_lut; +} + +static bool glk_can_preload_luts(const struct intel_crtc_state *new_crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->base.crtc); + struct intel_atomic_state *state = + to_intel_atomic_state(new_crtc_state->base.state); + const struct intel_crtc_state *old_crtc_state = + intel_atomic_get_old_crtc_state(state, crtc); + + /* + * The hardware degamma is active whenever the pipe + * CSC is active. Thus even if the old state has no + * software degamma we need to avoid clobbering the + * linear hardware degamma mid scanout. + */ + return !old_crtc_state->csc_enable && + !old_crtc_state->base.gamma_lut; +} + int intel_color_check(struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); @@ -1133,6 +1182,8 @@ static int i9xx_color_check(struct intel_crtc_state *crtc_state) if (ret) return ret; + crtc_state->preload_luts = intel_can_preload_luts(crtc_state); + return 0; } @@ -1185,6 +1236,8 @@ static int chv_color_check(struct intel_crtc_state *crtc_state) if (ret) return ret; + crtc_state->preload_luts = chv_can_preload_luts(crtc_state); + return 0; } @@ -1224,6 +1277,8 @@ static int ilk_color_check(struct intel_crtc_state *crtc_state) if (ret) return ret; + crtc_state->preload_luts = intel_can_preload_luts(crtc_state); + return 0; } @@ -1281,6 +1336,8 @@ static int ivb_color_check(struct intel_crtc_state *crtc_state) if (ret) return ret; + crtc_state->preload_luts = intel_can_preload_luts(crtc_state); + return 0; } @@ -1319,6 +1376,8 @@ static int glk_color_check(struct intel_crtc_state *crtc_state) if (ret) return ret; + crtc_state->preload_luts = glk_can_preload_luts(crtc_state); + return 0; } @@ -1368,6 +1427,8 @@ static int icl_color_check(struct intel_crtc_state *crtc_state) crtc_state->csc_mode = icl_csc_mode(crtc_state); + crtc_state->preload_luts = intel_can_preload_luts(crtc_state); + return 0; } diff --git a/drivers/gpu/drm/i915/display/intel_crt.c b/drivers/gpu/drm/i915/display/intel_crt.c index e6e8d4a82044..0a08354a6183 100644 --- a/drivers/gpu/drm/i915/display/intel_crt.c +++ b/drivers/gpu/drm/i915/display/intel_crt.c @@ -864,6 +864,13 @@ load_detect: out: intel_display_power_put(dev_priv, intel_encoder->power_domain, wakeref); + + /* + * Make sure the refs for power wells enabled during detect are + * dropped to avoid a new detect cycle triggered by HPD polling. + */ + intel_display_power_flush_work(dev_priv); + return status; } diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index ce05e805b08f..af50f05f4e9d 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -2504,6 +2504,9 @@ u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv, * the highest stride limits of them all. */ crtc = intel_get_crtc_for_pipe(dev_priv, PIPE_A); + if (!crtc) + return 0; + plane = to_intel_plane(crtc->base.primary); return plane->max_stride(plane, pixel_format, modifier, @@ -3280,7 +3283,20 @@ static int skl_max_plane_width(const struct drm_framebuffer *fb, switch (fb->modifier) { case DRM_FORMAT_MOD_LINEAR: case I915_FORMAT_MOD_X_TILED: - return 4096; + /* + * Validated limit is 4k, but has 5k should + * work apart from the following features: + * - Ytile (already limited to 4k) + * - FP16 (already limited to 4k) + * - render compression (already limited to 4k) + * - KVMR sprite and cursor (don't care) + * - horizontal panning (TODO verify this) + * - pipe and plane scaling (TODO verify this) + */ + if (cpp == 8) + return 4096; + else + return 5120; case I915_FORMAT_MOD_Y_TILED_CCS: case I915_FORMAT_MOD_Yf_TILED_CCS: /* FIXME AUX plane? */ @@ -9302,7 +9318,6 @@ static bool wrpll_uses_pch_ssc(struct drm_i915_private *dev_priv, static void lpt_init_pch_refclk(struct drm_i915_private *dev_priv) { struct intel_encoder *encoder; - bool pch_ssc_in_use = false; bool has_fdi = false; for_each_intel_encoder(&dev_priv->drm, encoder) { @@ -9330,22 +9345,24 @@ static void lpt_init_pch_refclk(struct drm_i915_private *dev_priv) * clock hierarchy. That would also allow us to do * clock bending finally. */ + dev_priv->pch_ssc_use = 0; + if (spll_uses_pch_ssc(dev_priv)) { DRM_DEBUG_KMS("SPLL using PCH SSC\n"); - pch_ssc_in_use = true; + dev_priv->pch_ssc_use |= BIT(DPLL_ID_SPLL); } if (wrpll_uses_pch_ssc(dev_priv, DPLL_ID_WRPLL1)) { DRM_DEBUG_KMS("WRPLL1 using PCH SSC\n"); - pch_ssc_in_use = true; + dev_priv->pch_ssc_use |= BIT(DPLL_ID_WRPLL1); } if (wrpll_uses_pch_ssc(dev_priv, DPLL_ID_WRPLL2)) { DRM_DEBUG_KMS("WRPLL2 using PCH SSC\n"); - pch_ssc_in_use = true; + dev_priv->pch_ssc_use |= BIT(DPLL_ID_WRPLL2); } - if (pch_ssc_in_use) + if (dev_priv->pch_ssc_use) return; if (has_fdi) { @@ -13726,6 +13743,11 @@ static void intel_update_crtc(struct intel_crtc *crtc, /* vblanks work again, re-enable pipe CRC. */ intel_crtc_enable_pipe_crc(crtc); } else { + if (new_crtc_state->preload_luts && + (new_crtc_state->base.color_mgmt_changed || + new_crtc_state->update_pipe)) + intel_color_load_luts(new_crtc_state); + intel_pre_plane_update(old_crtc_state, new_crtc_state); if (new_crtc_state->update_pipe) @@ -14020,6 +14042,7 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state) for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) { if (new_crtc_state->base.active && !needs_modeset(new_crtc_state) && + !new_crtc_state->preload_luts && (new_crtc_state->base.color_mgmt_changed || new_crtc_state->update_pipe)) intel_color_load_luts(new_crtc_state); diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index 12099760d99e..c002f234ff31 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -4896,6 +4896,9 @@ void intel_power_domains_init_hw(struct drm_i915_private *i915, bool resume) power_domains->initializing = true; + /* Must happen before power domain init on VLV/CHV */ + intel_update_rawclk(i915); + if (INTEL_GEN(i915) >= 11) { icl_display_core_init(i915, resume); } else if (IS_CANNONLAKE(i915)) { diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 449abaea619f..4075b0387c87 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -761,6 +761,7 @@ struct intel_crtc_state { bool update_wm_pre, update_wm_post; /* watermarks are updated */ bool fb_changed; /* fb on any of the planes is changed */ bool fifo_changed; /* FIFO split is changed */ + bool preload_luts; /* Pipe source size (ie. panel fitter input size) * All planes will be positioned inside this space, diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 57e9f0ba331b..9b15ac4f2fb6 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1256,6 +1256,9 @@ static u32 skl_get_aux_send_ctl(struct intel_dp *intel_dp, u32 unused) { struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); + struct drm_i915_private *i915 = + to_i915(intel_dig_port->base.base.dev); + enum phy phy = intel_port_to_phy(i915, intel_dig_port->base.port); u32 ret; ret = DP_AUX_CH_CTL_SEND_BUSY | @@ -1268,7 +1271,8 @@ static u32 skl_get_aux_send_ctl(struct intel_dp *intel_dp, DP_AUX_CH_CTL_FW_SYNC_PULSE_SKL(32) | DP_AUX_CH_CTL_SYNC_PULSE_SKL(32); - if (intel_dig_port->tc_mode == TC_PORT_TBT_ALT) + if (intel_phy_is_tc(i915, phy) && + intel_dig_port->tc_mode == TC_PORT_TBT_ALT) ret |= DP_AUX_CH_CTL_TBT_IO; return ret; @@ -5436,6 +5440,12 @@ out: if (status != connector_status_connected && !intel_dp->is_mst) intel_dp_unset_edid(intel_dp); + /* + * Make sure the refs for power wells enabled during detect are + * dropped to avoid a new detect cycle triggered by HPD polling. + */ + intel_display_power_flush_work(dev_priv); + return status; } diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c index b8148f838354..d5a298c3c83b 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c @@ -525,16 +525,31 @@ static void hsw_ddi_wrpll_disable(struct drm_i915_private *dev_priv, val = I915_READ(WRPLL_CTL(id)); I915_WRITE(WRPLL_CTL(id), val & ~WRPLL_PLL_ENABLE); POSTING_READ(WRPLL_CTL(id)); + + /* + * Try to set up the PCH reference clock once all DPLLs + * that depend on it have been shut down. + */ + if (dev_priv->pch_ssc_use & BIT(id)) + intel_init_pch_refclk(dev_priv); } static void hsw_ddi_spll_disable(struct drm_i915_private *dev_priv, struct intel_shared_dpll *pll) { + enum intel_dpll_id id = pll->info->id; u32 val; val = I915_READ(SPLL_CTL); I915_WRITE(SPLL_CTL, val & ~SPLL_PLL_ENABLE); POSTING_READ(SPLL_CTL); + + /* + * Try to set up the PCH reference clock once all DPLLs + * that depend on it have been shut down. + */ + if (dev_priv->pch_ssc_use & BIT(id)) + intel_init_pch_refclk(dev_priv); } static bool hsw_ddi_wrpll_get_hw_state(struct drm_i915_private *dev_priv, diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h index e7588799fce5..104cf6d42333 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h @@ -147,11 +147,11 @@ enum intel_dpll_id { */ DPLL_ID_ICL_MGPLL4 = 6, /** - * @DPLL_ID_TGL_TCPLL5: TGL TC PLL port 5 (TC5) + * @DPLL_ID_TGL_MGPLL5: TGL TC PLL port 5 (TC5) */ DPLL_ID_TGL_MGPLL5 = 7, /** - * @DPLL_ID_TGL_TCPLL6: TGL TC PLL port 6 (TC6) + * @DPLL_ID_TGL_MGPLL6: TGL TC PLL port 6 (TC6) */ DPLL_ID_TGL_MGPLL6 = 8, }; diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c index d59eee5c5d9c..b5c588e511dd 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev.c +++ b/drivers/gpu/drm/i915/display/intel_fbdev.c @@ -235,6 +235,11 @@ static int intelfb_create(struct drm_fb_helper *helper, info->apertures->ranges[0].base = ggtt->gmadr.start; info->apertures->ranges[0].size = ggtt->mappable_end; + /* Our framebuffer is the entirety of fbdev's system memory */ + info->fix.smem_start = + (unsigned long)(ggtt->gmadr.start + vma->node.start); + info->fix.smem_len = vma->node.size; + vaddr = i915_vma_pin_iomap(vma); if (IS_ERR(vaddr)) { DRM_ERROR("Failed to remap framebuffer into virtual memory\n"); @@ -244,10 +249,6 @@ static int intelfb_create(struct drm_fb_helper *helper, info->screen_base = vaddr; info->screen_size = vma->node.size; - /* Our framebuffer is the entirety of fbdev's system memory */ - info->fix.smem_start = (unsigned long)info->screen_base; - info->fix.smem_len = info->screen_size; - drm_fb_helper_fill_info(info, &ifbdev->helper, sizes); /* If the object is shmemfs backed, it will have given us zeroed pages. diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index e02f0faecf02..b030f7ae3302 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -2565,6 +2565,12 @@ out: if (status != connector_status_connected) cec_notifier_phys_addr_invalidate(intel_hdmi->cec_notifier); + /* + * Make sure the refs for power wells enabled during detect are + * dropped to avoid a new detect cycle triggered by HPD polling. + */ + intel_display_power_flush_work(dev_priv); + return status; } diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index 1cdfe05514c3..e41fd94ae5a9 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -319,6 +319,8 @@ static void i915_gem_context_free(struct i915_gem_context *ctx) free_engines(rcu_access_pointer(ctx->engines)); mutex_destroy(&ctx->engines_mutex); + kfree(ctx->jump_whitelist); + if (ctx->timeline) intel_timeline_put(ctx->timeline); @@ -441,6 +443,9 @@ __create_context(struct drm_i915_private *i915) for (i = 0; i < ARRAY_SIZE(ctx->hang_timestamp); i++) ctx->hang_timestamp[i] = jiffies - CONTEXT_FAST_HANG_JIFFIES; + ctx->jump_whitelist = NULL; + ctx->jump_whitelist_cmds = 0; + return ctx; err_free: diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h index 260d59cc3de8..00537b9d7006 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h @@ -192,6 +192,13 @@ struct i915_gem_context { * per vm, which may be one per context or shared with the global GTT) */ struct radix_tree_root handles_vma; + + /** jump_whitelist: Bit array for tracking cmds during cmdparsing + * Guarded by struct_mutex + */ + unsigned long *jump_whitelist; + /** jump_whitelist_cmds: No of cmd slots available */ + u32 jump_whitelist_cmds; }; #endif /* __I915_GEM_CONTEXT_TYPES_H__ */ diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index b5f6937369ea..e635e1e5f4d3 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -296,7 +296,9 @@ static inline u64 gen8_noncanonical_addr(u64 address) static inline bool eb_use_cmdparser(const struct i915_execbuffer *eb) { - return intel_engine_needs_cmd_parser(eb->engine) && eb->batch_len; + return intel_engine_requires_cmd_parser(eb->engine) || + (intel_engine_using_cmd_parser(eb->engine) && + eb->args->batch_len); } static int eb_create(struct i915_execbuffer *eb) @@ -1955,40 +1957,94 @@ static int i915_reset_gen7_sol_offsets(struct i915_request *rq) return 0; } -static struct i915_vma *eb_parse(struct i915_execbuffer *eb, bool is_master) +static struct i915_vma * +shadow_batch_pin(struct i915_execbuffer *eb, struct drm_i915_gem_object *obj) +{ + struct drm_i915_private *dev_priv = eb->i915; + struct i915_vma * const vma = *eb->vma; + struct i915_address_space *vm; + u64 flags; + + /* + * PPGTT backed shadow buffers must be mapped RO, to prevent + * post-scan tampering + */ + if (CMDPARSER_USES_GGTT(dev_priv)) { + flags = PIN_GLOBAL; + vm = &dev_priv->ggtt.vm; + } else if (vma->vm->has_read_only) { + flags = PIN_USER; + vm = vma->vm; + i915_gem_object_set_readonly(obj); + } else { + DRM_DEBUG("Cannot prevent post-scan tampering without RO capable vm\n"); + return ERR_PTR(-EINVAL); + } + + return i915_gem_object_pin(obj, vm, NULL, 0, 0, flags); +} + +static struct i915_vma *eb_parse(struct i915_execbuffer *eb) { struct intel_engine_pool_node *pool; struct i915_vma *vma; + u64 batch_start; + u64 shadow_batch_start; int err; pool = intel_engine_pool_get(&eb->engine->pool, eb->batch_len); if (IS_ERR(pool)) return ERR_CAST(pool); - err = intel_engine_cmd_parser(eb->engine, + vma = shadow_batch_pin(eb, pool->obj); + if (IS_ERR(vma)) + goto err; + + batch_start = gen8_canonical_addr(eb->batch->node.start) + + eb->batch_start_offset; + + shadow_batch_start = gen8_canonical_addr(vma->node.start); + + err = intel_engine_cmd_parser(eb->gem_context, + eb->engine, eb->batch->obj, - pool->obj, + batch_start, eb->batch_start_offset, eb->batch_len, - is_master); + pool->obj, + shadow_batch_start); + if (err) { - if (err == -EACCES) /* unhandled chained batch */ + i915_vma_unpin(vma); + + /* + * Unsafe GGTT-backed buffers can still be submitted safely + * as non-secure. + * For PPGTT backing however, we have no choice but to forcibly + * reject unsafe buffers + */ + if (CMDPARSER_USES_GGTT(eb->i915) && (err == -EACCES)) + /* Execute original buffer non-secure */ vma = NULL; else vma = ERR_PTR(err); goto err; } - vma = i915_gem_object_ggtt_pin(pool->obj, NULL, 0, 0, 0); - if (IS_ERR(vma)) - goto err; - eb->vma[eb->buffer_count] = i915_vma_get(vma); eb->flags[eb->buffer_count] = __EXEC_OBJECT_HAS_PIN | __EXEC_OBJECT_HAS_REF; vma->exec_flags = &eb->flags[eb->buffer_count]; eb->buffer_count++; + eb->batch_start_offset = 0; + eb->batch = vma; + + if (CMDPARSER_USES_GGTT(eb->i915)) + eb->batch_flags |= I915_DISPATCH_SECURE; + + /* eb->batch_len unchanged */ + vma->private = pool; return vma; @@ -2421,6 +2477,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, struct drm_i915_gem_exec_object2 *exec, struct drm_syncobj **fences) { + struct drm_i915_private *i915 = to_i915(dev); struct i915_execbuffer eb; struct dma_fence *in_fence = NULL; struct dma_fence *exec_fence = NULL; @@ -2432,7 +2489,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, BUILD_BUG_ON(__EXEC_OBJECT_INTERNAL_FLAGS & ~__EXEC_OBJECT_UNKNOWN_FLAGS); - eb.i915 = to_i915(dev); + eb.i915 = i915; eb.file = file; eb.args = args; if (DBG_FORCE_RELOC || !(args->flags & I915_EXEC_NO_RELOC)) @@ -2452,8 +2509,15 @@ i915_gem_do_execbuffer(struct drm_device *dev, eb.batch_flags = 0; if (args->flags & I915_EXEC_SECURE) { + if (INTEL_GEN(i915) >= 11) + return -ENODEV; + + /* Return -EPERM to trigger fallback code on old binaries. */ + if (!HAS_SECURE_BATCHES(i915)) + return -EPERM; + if (!drm_is_current_master(file) || !capable(CAP_SYS_ADMIN)) - return -EPERM; + return -EPERM; eb.batch_flags |= I915_DISPATCH_SECURE; } @@ -2530,34 +2594,19 @@ i915_gem_do_execbuffer(struct drm_device *dev, goto err_vma; } + if (eb.batch_len == 0) + eb.batch_len = eb.batch->size - eb.batch_start_offset; + if (eb_use_cmdparser(&eb)) { struct i915_vma *vma; - vma = eb_parse(&eb, drm_is_current_master(file)); + vma = eb_parse(&eb); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto err_vma; } - - if (vma) { - /* - * Batch parsed and accepted: - * - * Set the DISPATCH_SECURE bit to remove the NON_SECURE - * bit from MI_BATCH_BUFFER_START commands issued in - * the dispatch_execbuffer implementations. We - * specifically don't want that set on batches the - * command parser has accepted. - */ - eb.batch_flags |= I915_DISPATCH_SECURE; - eb.batch_start_offset = 0; - eb.batch = vma; - } } - if (eb.batch_len == 0) - eb.batch_len = eb.batch->size - eb.batch_start_offset; - /* * snb/ivb/vlv conflate the "batch in ppgtt" bit with the "non-secure * batch" bit. Hence we need to pin secure batches into the global gtt. diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index 261c9bd83f51..05289edbafe3 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -245,11 +245,9 @@ vm_fault_t i915_gem_fault(struct vm_fault *vmf) wakeref = intel_runtime_pm_get(rpm); - srcu = intel_gt_reset_trylock(ggtt->vm.gt); - if (srcu < 0) { - ret = srcu; + ret = intel_gt_reset_trylock(ggtt->vm.gt, &srcu); + if (ret) goto err_rpm; - } ret = i915_mutex_lock_interruptible(dev); if (ret) @@ -318,7 +316,11 @@ vm_fault_t i915_gem_fault(struct vm_fault *vmf) intel_wakeref_auto(&i915->ggtt.userfault_wakeref, msecs_to_jiffies_timeout(CONFIG_DRM_I915_USERFAULT_AUTOSUSPEND)); - i915_vma_set_ggtt_write(vma); + if (write) { + GEM_BUG_ON(!i915_gem_object_has_pinned_pages(obj)); + i915_vma_set_ggtt_write(vma); + obj->mm.dirty = true; + } err_fence: i915_vma_unpin_fence(vma); @@ -362,6 +364,7 @@ err: return VM_FAULT_OOM; case -ENOSPC: case -EFAULT: + case -ENODEV: /* bad object, how did you get here! */ return VM_FAULT_SIGBUS; default: WARN_ONCE(ret, "unhandled error in %s: %i\n", __func__, ret); @@ -473,10 +476,16 @@ i915_gem_mmap_gtt(struct drm_file *file, if (!obj) return -ENOENT; + if (i915_gem_object_never_bind_ggtt(obj)) { + ret = -ENODEV; + goto out; + } + ret = create_mmap_offset(obj); if (ret == 0) *offset = drm_vma_node_offset_addr(&obj->base.vma_node); +out: i915_gem_object_put(obj); return ret; } diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h index 5efb9936e05b..ddf3605bea8e 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h @@ -153,6 +153,12 @@ i915_gem_object_is_proxy(const struct drm_i915_gem_object *obj) } static inline bool +i915_gem_object_never_bind_ggtt(const struct drm_i915_gem_object *obj) +{ + return obj->ops->flags & I915_GEM_OBJECT_NO_GGTT; +} + +static inline bool i915_gem_object_needs_async_cancel(const struct drm_i915_gem_object *obj) { return obj->ops->flags & I915_GEM_OBJECT_ASYNC_CANCEL; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h index ede0eb4218a8..646859fea224 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h @@ -32,7 +32,8 @@ struct drm_i915_gem_object_ops { #define I915_GEM_OBJECT_HAS_STRUCT_PAGE BIT(0) #define I915_GEM_OBJECT_IS_SHRINKABLE BIT(1) #define I915_GEM_OBJECT_IS_PROXY BIT(2) -#define I915_GEM_OBJECT_ASYNC_CANCEL BIT(3) +#define I915_GEM_OBJECT_NO_GGTT BIT(3) +#define I915_GEM_OBJECT_ASYNC_CANCEL BIT(4) /* Interface between the GEM object and its backing storage. * get_pages() is called once prior to the use of the associated set diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pm.c b/drivers/gpu/drm/i915/gem/i915_gem_pm.c index 92e53c25424c..ad2a63dbcac2 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_pm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_pm.c @@ -241,9 +241,6 @@ void i915_gem_resume(struct drm_i915_private *i915) mutex_lock(&i915->drm.struct_mutex); intel_uncore_forcewake_get(&i915->uncore, FORCEWAKE_ALL); - i915_gem_restore_gtt_mappings(i915); - i915_gem_restore_fences(i915); - if (i915_gem_init_hw(i915)) goto err_wedged; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c index 11b231c187c5..abfbac49b8e8 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c @@ -671,8 +671,28 @@ i915_gem_userptr_put_pages(struct drm_i915_gem_object *obj, obj->mm.dirty = false; for_each_sgt_page(page, sgt_iter, pages) { - if (obj->mm.dirty) + if (obj->mm.dirty && trylock_page(page)) { + /* + * As this may not be anonymous memory (e.g. shmem) + * but exist on a real mapping, we have to lock + * the page in order to dirty it -- holding + * the page reference is not sufficient to + * prevent the inode from being truncated. + * Play safe and take the lock. + * + * However...! + * + * The mmu-notifier can be invalidated for a + * migrate_page, that is alreadying holding the lock + * on the page. Such a try_to_unmap() will result + * in us calling put_pages() and so recursively try + * to lock the page. We avoid that deadlock with + * a trylock_page() and in exchange we risk missing + * some page dirtying. + */ set_page_dirty(page); + unlock_page(page); + } mark_page_accessed(page); put_page(page); @@ -702,6 +722,7 @@ i915_gem_userptr_dmabuf_export(struct drm_i915_gem_object *obj) static const struct drm_i915_gem_object_ops i915_gem_userptr_ops = { .flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE | I915_GEM_OBJECT_IS_SHRINKABLE | + I915_GEM_OBJECT_NO_GGTT | I915_GEM_OBJECT_ASYNC_CANCEL, .get_pages = i915_gem_userptr_get_pages, .put_pages = i915_gem_userptr_put_pages, diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h index d3c6993f4f46..22aab8593abf 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine.h +++ b/drivers/gpu/drm/i915/gt/intel_engine.h @@ -136,6 +136,20 @@ execlists_active(const struct intel_engine_execlists *execlists) return READ_ONCE(*execlists->active); } +static inline void +execlists_active_lock_bh(struct intel_engine_execlists *execlists) +{ + local_bh_disable(); /* prevent local softirq and lock recursion */ + tasklet_lock(&execlists->tasklet); +} + +static inline void +execlists_active_unlock_bh(struct intel_engine_execlists *execlists) +{ + tasklet_unlock(&execlists->tasklet); + local_bh_enable(); /* restore softirq, and kick ksoftirqd! */ +} + struct i915_request * execlists_unwind_incomplete_requests(struct intel_engine_execlists *execlists); diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index 82630db0394b..4ce8626b140e 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -1197,9 +1197,7 @@ static void intel_engine_print_registers(struct intel_engine_cs *engine, struct drm_printer *m) { struct drm_i915_private *dev_priv = engine->i915; - const struct intel_engine_execlists * const execlists = - &engine->execlists; - unsigned long flags; + struct intel_engine_execlists * const execlists = &engine->execlists; u64 addr; if (engine->id == RENDER_CLASS && IS_GEN_RANGE(dev_priv, 4, 7)) @@ -1281,7 +1279,7 @@ static void intel_engine_print_registers(struct intel_engine_cs *engine, idx, hws[idx * 2], hws[idx * 2 + 1]); } - spin_lock_irqsave(&engine->active.lock, flags); + execlists_active_lock_bh(execlists); for (port = execlists->active; (rq = *port); port++) { char hdr[80]; int len; @@ -1309,7 +1307,7 @@ static void intel_engine_print_registers(struct intel_engine_cs *engine, hwsp_seqno(rq)); print_request(m, rq, hdr); } - spin_unlock_irqrestore(&engine->active.lock, flags); + execlists_active_unlock_bh(execlists); } else if (INTEL_GEN(dev_priv) > 6) { drm_printf(m, "\tPP_DIR_BASE: 0x%08x\n", ENGINE_READ(engine, RING_PP_DIR_BASE)); @@ -1440,8 +1438,8 @@ int intel_enable_engine_stats(struct intel_engine_cs *engine) if (!intel_engine_supports_stats(engine)) return -ENODEV; - spin_lock_irqsave(&engine->active.lock, flags); - write_seqlock(&engine->stats.lock); + execlists_active_lock_bh(execlists); + write_seqlock_irqsave(&engine->stats.lock, flags); if (unlikely(engine->stats.enabled == ~0)) { err = -EBUSY; @@ -1469,8 +1467,8 @@ int intel_enable_engine_stats(struct intel_engine_cs *engine) } unlock: - write_sequnlock(&engine->stats.lock); - spin_unlock_irqrestore(&engine->active.lock, flags); + write_sequnlock_irqrestore(&engine->stats.lock, flags); + execlists_active_unlock_bh(execlists); return err; } diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pool.c b/drivers/gpu/drm/i915/gt/intel_engine_pool.c index 4cd54c569911..379a91780bd4 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_pool.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_pool.c @@ -103,6 +103,8 @@ node_create(struct intel_engine_pool *pool, size_t sz) return ERR_CAST(obj); } + i915_gem_object_set_readonly(obj); + node->obj = obj; return node; } diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h index a82cea95c2f2..9dd8c299cb2d 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_types.h +++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h @@ -475,12 +475,13 @@ struct intel_engine_cs { struct intel_engine_hangcheck hangcheck; -#define I915_ENGINE_NEEDS_CMD_PARSER BIT(0) +#define I915_ENGINE_USING_CMD_PARSER BIT(0) #define I915_ENGINE_SUPPORTS_STATS BIT(1) #define I915_ENGINE_HAS_PREEMPTION BIT(2) #define I915_ENGINE_HAS_SEMAPHORES BIT(3) #define I915_ENGINE_NEEDS_BREADCRUMB_TASKLET BIT(4) #define I915_ENGINE_IS_VIRTUAL BIT(5) +#define I915_ENGINE_REQUIRES_CMD_PARSER BIT(7) unsigned int flags; /* @@ -541,9 +542,15 @@ struct intel_engine_cs { }; static inline bool -intel_engine_needs_cmd_parser(const struct intel_engine_cs *engine) +intel_engine_using_cmd_parser(const struct intel_engine_cs *engine) { - return engine->flags & I915_ENGINE_NEEDS_CMD_PARSER; + return engine->flags & I915_ENGINE_USING_CMD_PARSER; +} + +static inline bool +intel_engine_requires_cmd_parser(const struct intel_engine_cs *engine) +{ + return engine->flags & I915_ENGINE_REQUIRES_CMD_PARSER; } static inline bool diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c index 1363e069ec83..fac75afed35b 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c @@ -38,6 +38,9 @@ static int __gt_unpark(struct intel_wakeref *wf) gt->awake = intel_display_power_get(i915, POWER_DOMAIN_GT_IRQ); GEM_BUG_ON(!gt->awake); + if (NEEDS_RC6_CTX_CORRUPTION_WA(i915)) + intel_uncore_forcewake_get(&i915->uncore, FORCEWAKE_ALL); + intel_enable_gt_powersave(i915); i915_update_gfx_val(i915); @@ -67,6 +70,11 @@ static int __gt_park(struct intel_wakeref *wf) if (INTEL_GEN(i915) >= 6) gen6_rps_idle(i915); + if (NEEDS_RC6_CTX_CORRUPTION_WA(i915)) { + i915_rc6_ctx_wa_check(i915); + intel_uncore_forcewake_put(&i915->uncore, FORCEWAKE_ALL); + } + /* Everything switched off, flush any residual interrupt just in case */ intel_synchronize_irq(i915); diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index d42584439f51..06a506c29463 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -234,6 +234,13 @@ static void execlists_init_reg_state(u32 *reg_state, struct intel_engine_cs *engine, struct intel_ring *ring); +static void mark_eio(struct i915_request *rq) +{ + if (!i915_request_signaled(rq)) + dma_fence_set_error(&rq->fence, -EIO); + i915_request_mark_complete(rq); +} + static inline u32 intel_hws_preempt_address(struct intel_engine_cs *engine) { return (i915_ggtt_offset(engine->status_page.vma) + @@ -631,7 +638,6 @@ execlists_schedule_out(struct i915_request *rq) struct intel_engine_cs *cur, *old; trace_i915_request_out(rq); - GEM_BUG_ON(intel_context_inflight(ce) != rq->engine); old = READ_ONCE(ce->inflight); do @@ -797,6 +803,17 @@ static bool can_merge_rq(const struct i915_request *prev, GEM_BUG_ON(prev == next); GEM_BUG_ON(!assert_priority_queue(prev, next)); + /* + * We do not submit known completed requests. Therefore if the next + * request is already completed, we can pretend to merge it in + * with the previous context (and we will skip updating the ELSP + * and tracking). Thus hopefully keeping the ELSP full with active + * contexts, despite the best efforts of preempt-to-busy to confuse + * us. + */ + if (i915_request_completed(next)) + return true; + if (!can_merge_ctx(prev->hw_context, next->hw_context)) return false; @@ -893,7 +910,7 @@ static void virtual_xfer_breadcrumbs(struct virtual_engine *ve, static struct i915_request * last_active(const struct intel_engine_execlists *execlists) { - struct i915_request * const *last = execlists->active; + struct i915_request * const *last = READ_ONCE(execlists->active); while (*last && i915_request_completed(*last)) last++; @@ -1172,21 +1189,6 @@ static void execlists_dequeue(struct intel_engine_cs *engine) continue; } - if (i915_request_completed(rq)) { - ve->request = NULL; - ve->base.execlists.queue_priority_hint = INT_MIN; - rb_erase_cached(rb, &execlists->virtual); - RB_CLEAR_NODE(rb); - - rq->engine = engine; - __i915_request_submit(rq); - - spin_unlock(&ve->base.active.lock); - - rb = rb_first_cached(&execlists->virtual); - continue; - } - if (last && !can_merge_rq(last, rq)) { spin_unlock(&ve->base.active.lock); return; /* leave this for another */ @@ -1237,11 +1239,24 @@ static void execlists_dequeue(struct intel_engine_cs *engine) GEM_BUG_ON(ve->siblings[0] != engine); } - __i915_request_submit(rq); - if (!i915_request_completed(rq)) { + if (__i915_request_submit(rq)) { submit = true; last = rq; } + i915_request_put(rq); + + /* + * Hmm, we have a bunch of virtual engine requests, + * but the first one was already completed (thanks + * preempt-to-busy!). Keep looking at the veng queue + * until we have no more relevant requests (i.e. + * the normal submit queue has higher priority). + */ + if (!submit) { + spin_unlock(&ve->base.active.lock); + rb = rb_first_cached(&execlists->virtual); + continue; + } } spin_unlock(&ve->base.active.lock); @@ -1254,8 +1269,7 @@ static void execlists_dequeue(struct intel_engine_cs *engine) int i; priolist_for_each_request_consume(rq, rn, p, i) { - if (i915_request_completed(rq)) - goto skip; + bool merge = true; /* * Can we combine this request with the current port? @@ -1296,14 +1310,23 @@ static void execlists_dequeue(struct intel_engine_cs *engine) ctx_single_port_submission(rq->hw_context)) goto done; - *port = execlists_schedule_in(last, port - execlists->pending); - port++; + merge = false; } - last = rq; - submit = true; -skip: - __i915_request_submit(rq); + if (__i915_request_submit(rq)) { + if (!merge) { + *port = execlists_schedule_in(last, port - execlists->pending); + port++; + last = NULL; + } + + GEM_BUG_ON(last && + !can_merge_ctx(last->hw_context, + rq->hw_context)); + + submit = true; + last = rq; + } } rb_erase_cached(&p->node, &execlists->queue); @@ -1593,8 +1616,11 @@ static void process_csb(struct intel_engine_cs *engine) static void __execlists_submission_tasklet(struct intel_engine_cs *const engine) { lockdep_assert_held(&engine->active.lock); - if (!engine->execlists.pending[0]) + if (!engine->execlists.pending[0]) { + rcu_read_lock(); /* protect peeking at execlists->active */ execlists_dequeue(engine); + rcu_read_unlock(); + } } /* @@ -2399,10 +2425,14 @@ static void reset_csb_pointers(struct intel_engine_cs *engine) static struct i915_request *active_request(struct i915_request *rq) { - const struct list_head * const list = &rq->timeline->requests; const struct intel_context * const ce = rq->hw_context; struct i915_request *active = NULL; + struct list_head *list; + if (!i915_request_is_active(rq)) /* unwound, but incomplete! */ + return rq; + + list = &rq->timeline->requests; list_for_each_entry_from_reverse(rq, list, link) { if (i915_request_completed(rq)) break; @@ -2552,12 +2582,8 @@ static void execlists_cancel_requests(struct intel_engine_cs *engine) __execlists_reset(engine, true); /* Mark all executing requests as skipped. */ - list_for_each_entry(rq, &engine->active.requests, sched.link) { - if (!i915_request_signaled(rq)) - dma_fence_set_error(&rq->fence, -EIO); - - i915_request_mark_complete(rq); - } + list_for_each_entry(rq, &engine->active.requests, sched.link) + mark_eio(rq); /* Flush the queued requests to the timeline list (for retiring). */ while ((rb = rb_first_cached(&execlists->queue))) { @@ -2565,10 +2591,8 @@ static void execlists_cancel_requests(struct intel_engine_cs *engine) int i; priolist_for_each_request_consume(rq, rn, p, i) { - list_del_init(&rq->sched.link); + mark_eio(rq); __i915_request_submit(rq); - dma_fence_set_error(&rq->fence, -EIO); - i915_request_mark_complete(rq); } rb_erase_cached(&p->node, &execlists->queue); @@ -2584,13 +2608,15 @@ static void execlists_cancel_requests(struct intel_engine_cs *engine) RB_CLEAR_NODE(rb); spin_lock(&ve->base.active.lock); - if (ve->request) { - ve->request->engine = engine; - __i915_request_submit(ve->request); - dma_fence_set_error(&ve->request->fence, -EIO); - i915_request_mark_complete(ve->request); + rq = fetch_and_zero(&ve->request); + if (rq) { + mark_eio(rq); + + rq->engine = engine; + __i915_request_submit(rq); + i915_request_put(rq); + ve->base.execlists.queue_priority_hint = INT_MIN; - ve->request = NULL; } spin_unlock(&ve->base.active.lock); } @@ -3594,6 +3620,8 @@ submit_engine: static void virtual_submit_request(struct i915_request *rq) { struct virtual_engine *ve = to_virtual_engine(rq->engine); + struct i915_request *old; + unsigned long flags; GEM_TRACE("%s: rq=%llx:%lld\n", ve->base.name, @@ -3602,15 +3630,31 @@ static void virtual_submit_request(struct i915_request *rq) GEM_BUG_ON(ve->base.submit_request != virtual_submit_request); - GEM_BUG_ON(ve->request); - GEM_BUG_ON(!list_empty(virtual_queue(ve))); + spin_lock_irqsave(&ve->base.active.lock, flags); + + old = ve->request; + if (old) { /* background completion event from preempt-to-busy */ + GEM_BUG_ON(!i915_request_completed(old)); + __i915_request_submit(old); + i915_request_put(old); + } + + if (i915_request_completed(rq)) { + __i915_request_submit(rq); + + ve->base.execlists.queue_priority_hint = INT_MIN; + ve->request = NULL; + } else { + ve->base.execlists.queue_priority_hint = rq_prio(rq); + ve->request = i915_request_get(rq); - ve->base.execlists.queue_priority_hint = rq_prio(rq); - WRITE_ONCE(ve->request, rq); + GEM_BUG_ON(!list_empty(virtual_queue(ve))); + list_move_tail(&rq->sched.link, virtual_queue(ve)); - list_move_tail(&rq->sched.link, virtual_queue(ve)); + tasklet_schedule(&ve->base.execlists.tasklet); + } - tasklet_schedule(&ve->base.execlists.tasklet); + spin_unlock_irqrestore(&ve->base.active.lock, flags); } static struct ve_bond * @@ -3631,18 +3675,22 @@ static void virtual_bond_execute(struct i915_request *rq, struct dma_fence *signal) { struct virtual_engine *ve = to_virtual_engine(rq->engine); + intel_engine_mask_t allowed, exec; struct ve_bond *bond; + allowed = ~to_request(signal)->engine->mask; + bond = virtual_find_bond(ve, to_request(signal)->engine); - if (bond) { - intel_engine_mask_t old, new, cmp; + if (bond) + allowed &= bond->sibling_mask; - cmp = READ_ONCE(rq->execution_mask); - do { - old = cmp; - new = cmp & bond->sibling_mask; - } while ((cmp = cmpxchg(&rq->execution_mask, old, new)) != old); - } + /* Restrict the bonded request to run on only the available engines */ + exec = READ_ONCE(rq->execution_mask); + while (!try_cmpxchg(&rq->execution_mask, &exec, exec & allowed)) + ; + + /* Prevent the master from being re-run on the bonded engines */ + to_request(signal)->execution_mask &= ~allowed; } struct intel_context * diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c index 728704bbbe18..cea184a7dde9 100644 --- a/drivers/gpu/drm/i915/gt/intel_mocs.c +++ b/drivers/gpu/drm/i915/gt/intel_mocs.c @@ -199,14 +199,6 @@ static const struct drm_i915_mocs_entry broxton_mocs_table[] = { MOCS_ENTRY(15, \ LE_3_WB | LE_TC_1_LLC | LE_LRUM(2) | LE_AOM(1), \ L3_3_WB), \ - /* Bypass LLC - Uncached (EHL+) */ \ - MOCS_ENTRY(16, \ - LE_1_UC | LE_TC_1_LLC | LE_SCF(1), \ - L3_1_UC), \ - /* Bypass LLC - L3 (Read-Only) (EHL+) */ \ - MOCS_ENTRY(17, \ - LE_1_UC | LE_TC_1_LLC | LE_SCF(1), \ - L3_3_WB), \ /* Self-Snoop - L3 + LLC */ \ MOCS_ENTRY(18, \ LE_3_WB | LE_TC_1_LLC | LE_LRUM(3) | LE_SSE(3), \ @@ -270,7 +262,7 @@ static const struct drm_i915_mocs_entry tigerlake_mocs_table[] = { L3_1_UC), /* HW Special Case (Displayable) */ MOCS_ENTRY(61, - LE_1_UC | LE_TC_1_LLC | LE_SCF(1), + LE_1_UC | LE_TC_1_LLC, L3_3_WB), }; diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c index b9d84d52e986..8cea42379dd7 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -42,11 +42,10 @@ static void engine_skip_context(struct i915_request *rq) struct intel_engine_cs *engine = rq->engine; struct i915_gem_context *hung_ctx = rq->gem_context; - lockdep_assert_held(&engine->active.lock); - if (!i915_request_is_active(rq)) return; + lockdep_assert_held(&engine->active.lock); list_for_each_entry_continue(rq, &engine->active.requests, sched.link) if (rq->gem_context == hung_ctx) i915_request_skip(rq, -EIO); @@ -123,7 +122,6 @@ void __i915_request_reset(struct i915_request *rq, bool guilty) rq->fence.seqno, yesno(guilty)); - lockdep_assert_held(&rq->engine->active.lock); GEM_BUG_ON(i915_request_completed(rq)); if (guilty) { @@ -1214,10 +1212,8 @@ out: intel_runtime_pm_put(>->i915->runtime_pm, wakeref); } -int intel_gt_reset_trylock(struct intel_gt *gt) +int intel_gt_reset_trylock(struct intel_gt *gt, int *srcu) { - int srcu; - might_lock(>->reset.backoff_srcu); might_sleep(); @@ -1232,10 +1228,10 @@ int intel_gt_reset_trylock(struct intel_gt *gt) rcu_read_lock(); } - srcu = srcu_read_lock(>->reset.backoff_srcu); + *srcu = srcu_read_lock(>->reset.backoff_srcu); rcu_read_unlock(); - return srcu; + return 0; } void intel_gt_reset_unlock(struct intel_gt *gt, int tag) diff --git a/drivers/gpu/drm/i915/gt/intel_reset.h b/drivers/gpu/drm/i915/gt/intel_reset.h index 37a987b17108..52c00199e069 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.h +++ b/drivers/gpu/drm/i915/gt/intel_reset.h @@ -38,7 +38,7 @@ int intel_engine_reset(struct intel_engine_cs *engine, void __i915_request_reset(struct i915_request *rq, bool guilty); -int __must_check intel_gt_reset_trylock(struct intel_gt *gt); +int __must_check intel_gt_reset_trylock(struct intel_gt *gt, int *srcu); void intel_gt_reset_unlock(struct intel_gt *gt, int tag); void intel_gt_set_wedged(struct intel_gt *gt); diff --git a/drivers/gpu/drm/i915/gt/intel_ringbuffer.c b/drivers/gpu/drm/i915/gt/intel_ringbuffer.c index 601c16239fdf..bacaa7bb8c9a 100644 --- a/drivers/gpu/drm/i915/gt/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/gt/intel_ringbuffer.c @@ -1573,7 +1573,7 @@ static inline int mi_set_context(struct i915_request *rq, u32 flags) struct intel_engine_cs *engine = rq->engine; enum intel_engine_id id; const int num_engines = - IS_HSW_GT1(i915) ? RUNTIME_INFO(i915)->num_engines - 1 : 0; + IS_HASWELL(i915) ? RUNTIME_INFO(i915)->num_engines - 1 : 0; bool force_restore = false; int len; u32 *cs; diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 45481eb1fa3c..5f6ec2fd29a0 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -1063,6 +1063,9 @@ static void gen9_whitelist_build(struct i915_wa_list *w) /* WaAllowUMDToModifyHDCChicken1:skl,bxt,kbl,glk,cfl */ whitelist_reg(w, GEN8_HDC_CHICKEN1); + + /* WaSendPushConstantsFromMMIO:skl,bxt */ + whitelist_reg(w, COMMON_SLICE_CHICKEN2); } static void skl_whitelist_build(struct intel_engine_cs *engine) diff --git a/drivers/gpu/drm/i915/gvt/dmabuf.c b/drivers/gpu/drm/i915/gvt/dmabuf.c index 13044c027f27..4bfaefdf548d 100644 --- a/drivers/gpu/drm/i915/gvt/dmabuf.c +++ b/drivers/gpu/drm/i915/gvt/dmabuf.c @@ -498,8 +498,6 @@ int intel_vgpu_get_dmabuf(struct intel_vgpu *vgpu, unsigned int dmabuf_id) goto out_free_gem; } - i915_gem_object_put(obj); - ret = dma_buf_fd(dmabuf, DRM_CLOEXEC | DRM_RDWR); if (ret < 0) { gvt_vgpu_err("create dma-buf fd failed ret:%d\n", ret); @@ -524,6 +522,8 @@ int intel_vgpu_get_dmabuf(struct intel_vgpu *vgpu, unsigned int dmabuf_id) file_count(dmabuf->file), kref_read(&obj->base.refcount)); + i915_gem_object_put(obj); + return dmabuf_fd; out_free_dmabuf: diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c index 24555102e198..f24096e27bef 100644 --- a/drivers/gpu/drm/i915/i915_cmd_parser.c +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c @@ -53,13 +53,11 @@ * granting userspace undue privileges. There are three categories of privilege. * * First, commands which are explicitly defined as privileged or which should - * only be used by the kernel driver. The parser generally rejects such - * commands, though it may allow some from the drm master process. + * only be used by the kernel driver. The parser rejects such commands * * Second, commands which access registers. To support correct/enhanced * userspace functionality, particularly certain OpenGL extensions, the parser - * provides a whitelist of registers which userspace may safely access (for both - * normal and drm master processes). + * provides a whitelist of registers which userspace may safely access * * Third, commands which access privileged memory (i.e. GGTT, HWS page, etc). * The parser always rejects such commands. @@ -84,9 +82,9 @@ * in the per-engine command tables. * * Other command table entries map fairly directly to high level categories - * mentioned above: rejected, master-only, register whitelist. The parser - * implements a number of checks, including the privileged memory checks, via a - * general bitmasking mechanism. + * mentioned above: rejected, register whitelist. The parser implements a number + * of checks, including the privileged memory checks, via a general bitmasking + * mechanism. */ /* @@ -104,8 +102,6 @@ struct drm_i915_cmd_descriptor { * CMD_DESC_REJECT: The command is never allowed * CMD_DESC_REGISTER: The command should be checked against the * register whitelist for the appropriate ring - * CMD_DESC_MASTER: The command is allowed if the submitting process - * is the DRM master */ u32 flags; #define CMD_DESC_FIXED (1<<0) @@ -113,7 +109,6 @@ struct drm_i915_cmd_descriptor { #define CMD_DESC_REJECT (1<<2) #define CMD_DESC_REGISTER (1<<3) #define CMD_DESC_BITMASK (1<<4) -#define CMD_DESC_MASTER (1<<5) /* * The command's unique identification bits and the bitmask to get them. @@ -194,7 +189,7 @@ struct drm_i915_cmd_table { #define CMD(op, opm, f, lm, fl, ...) \ { \ .flags = (fl) | ((f) ? CMD_DESC_FIXED : 0), \ - .cmd = { (op), ~0u << (opm) }, \ + .cmd = { (op & ~0u << (opm)), ~0u << (opm) }, \ .length = { (lm) }, \ __VA_ARGS__ \ } @@ -209,14 +204,13 @@ struct drm_i915_cmd_table { #define R CMD_DESC_REJECT #define W CMD_DESC_REGISTER #define B CMD_DESC_BITMASK -#define M CMD_DESC_MASTER /* Command Mask Fixed Len Action ---------------------------------------------------------- */ -static const struct drm_i915_cmd_descriptor common_cmds[] = { +static const struct drm_i915_cmd_descriptor gen7_common_cmds[] = { CMD( MI_NOOP, SMI, F, 1, S ), CMD( MI_USER_INTERRUPT, SMI, F, 1, R ), - CMD( MI_WAIT_FOR_EVENT, SMI, F, 1, M ), + CMD( MI_WAIT_FOR_EVENT, SMI, F, 1, R ), CMD( MI_ARB_CHECK, SMI, F, 1, S ), CMD( MI_REPORT_HEAD, SMI, F, 1, S ), CMD( MI_SUSPEND_FLUSH, SMI, F, 1, S ), @@ -246,7 +240,7 @@ static const struct drm_i915_cmd_descriptor common_cmds[] = { CMD( MI_BATCH_BUFFER_START, SMI, !F, 0xFF, S ), }; -static const struct drm_i915_cmd_descriptor render_cmds[] = { +static const struct drm_i915_cmd_descriptor gen7_render_cmds[] = { CMD( MI_FLUSH, SMI, F, 1, S ), CMD( MI_ARB_ON_OFF, SMI, F, 1, R ), CMD( MI_PREDICATE, SMI, F, 1, S ), @@ -313,7 +307,7 @@ static const struct drm_i915_cmd_descriptor hsw_render_cmds[] = { CMD( MI_URB_ATOMIC_ALLOC, SMI, F, 1, S ), CMD( MI_SET_APPID, SMI, F, 1, S ), CMD( MI_RS_CONTEXT, SMI, F, 1, S ), - CMD( MI_LOAD_SCAN_LINES_INCL, SMI, !F, 0x3F, M ), + CMD( MI_LOAD_SCAN_LINES_INCL, SMI, !F, 0x3F, R ), CMD( MI_LOAD_SCAN_LINES_EXCL, SMI, !F, 0x3F, R ), CMD( MI_LOAD_REGISTER_REG, SMI, !F, 0xFF, W, .reg = { .offset = 1, .mask = 0x007FFFFC, .step = 1 } ), @@ -330,7 +324,7 @@ static const struct drm_i915_cmd_descriptor hsw_render_cmds[] = { CMD( GFX_OP_3DSTATE_BINDING_TABLE_EDIT_PS, S3D, !F, 0x1FF, S ), }; -static const struct drm_i915_cmd_descriptor video_cmds[] = { +static const struct drm_i915_cmd_descriptor gen7_video_cmds[] = { CMD( MI_ARB_ON_OFF, SMI, F, 1, R ), CMD( MI_SET_APPID, SMI, F, 1, S ), CMD( MI_STORE_DWORD_IMM, SMI, !F, 0xFF, B, @@ -374,7 +368,7 @@ static const struct drm_i915_cmd_descriptor video_cmds[] = { CMD( MFX_WAIT, SMFX, F, 1, S ), }; -static const struct drm_i915_cmd_descriptor vecs_cmds[] = { +static const struct drm_i915_cmd_descriptor gen7_vecs_cmds[] = { CMD( MI_ARB_ON_OFF, SMI, F, 1, R ), CMD( MI_SET_APPID, SMI, F, 1, S ), CMD( MI_STORE_DWORD_IMM, SMI, !F, 0xFF, B, @@ -412,7 +406,7 @@ static const struct drm_i915_cmd_descriptor vecs_cmds[] = { }}, ), }; -static const struct drm_i915_cmd_descriptor blt_cmds[] = { +static const struct drm_i915_cmd_descriptor gen7_blt_cmds[] = { CMD( MI_DISPLAY_FLIP, SMI, !F, 0xFF, R ), CMD( MI_STORE_DWORD_IMM, SMI, !F, 0x3FF, B, .bits = {{ @@ -446,10 +440,64 @@ static const struct drm_i915_cmd_descriptor blt_cmds[] = { }; static const struct drm_i915_cmd_descriptor hsw_blt_cmds[] = { - CMD( MI_LOAD_SCAN_LINES_INCL, SMI, !F, 0x3F, M ), + CMD( MI_LOAD_SCAN_LINES_INCL, SMI, !F, 0x3F, R ), CMD( MI_LOAD_SCAN_LINES_EXCL, SMI, !F, 0x3F, R ), }; +/* + * For Gen9 we can still rely on the h/w to enforce cmd security, and only + * need to re-enforce the register access checks. We therefore only need to + * teach the cmdparser how to find the end of each command, and identify + * register accesses. The table doesn't need to reject any commands, and so + * the only commands listed here are: + * 1) Those that touch registers + * 2) Those that do not have the default 8-bit length + * + * Note that the default MI length mask chosen for this table is 0xFF, not + * the 0x3F used on older devices. This is because the vast majority of MI + * cmds on Gen9 use a standard 8-bit Length field. + * All the Gen9 blitter instructions are standard 0xFF length mask, and + * none allow access to non-general registers, so in fact no BLT cmds are + * included in the table at all. + * + */ +static const struct drm_i915_cmd_descriptor gen9_blt_cmds[] = { + CMD( MI_NOOP, SMI, F, 1, S ), + CMD( MI_USER_INTERRUPT, SMI, F, 1, S ), + CMD( MI_WAIT_FOR_EVENT, SMI, F, 1, S ), + CMD( MI_FLUSH, SMI, F, 1, S ), + CMD( MI_ARB_CHECK, SMI, F, 1, S ), + CMD( MI_REPORT_HEAD, SMI, F, 1, S ), + CMD( MI_ARB_ON_OFF, SMI, F, 1, S ), + CMD( MI_SUSPEND_FLUSH, SMI, F, 1, S ), + CMD( MI_LOAD_SCAN_LINES_INCL, SMI, !F, 0x3F, S ), + CMD( MI_LOAD_SCAN_LINES_EXCL, SMI, !F, 0x3F, S ), + CMD( MI_STORE_DWORD_IMM, SMI, !F, 0x3FF, S ), + CMD( MI_LOAD_REGISTER_IMM(1), SMI, !F, 0xFF, W, + .reg = { .offset = 1, .mask = 0x007FFFFC, .step = 2 } ), + CMD( MI_UPDATE_GTT, SMI, !F, 0x3FF, S ), + CMD( MI_STORE_REGISTER_MEM_GEN8, SMI, F, 4, W, + .reg = { .offset = 1, .mask = 0x007FFFFC } ), + CMD( MI_FLUSH_DW, SMI, !F, 0x3F, S ), + CMD( MI_LOAD_REGISTER_MEM_GEN8, SMI, F, 4, W, + .reg = { .offset = 1, .mask = 0x007FFFFC } ), + CMD( MI_LOAD_REGISTER_REG, SMI, !F, 0xFF, W, + .reg = { .offset = 1, .mask = 0x007FFFFC, .step = 1 } ), + + /* + * We allow BB_START but apply further checks. We just sanitize the + * basic fields here. + */ +#define MI_BB_START_OPERAND_MASK GENMASK(SMI-1, 0) +#define MI_BB_START_OPERAND_EXPECT (MI_BATCH_PPGTT_HSW | 1) + CMD( MI_BATCH_BUFFER_START_GEN8, SMI, !F, 0xFF, B, + .bits = {{ + .offset = 0, + .mask = MI_BB_START_OPERAND_MASK, + .expected = MI_BB_START_OPERAND_EXPECT, + }}, ), +}; + static const struct drm_i915_cmd_descriptor noop_desc = CMD(MI_NOOP, SMI, F, 1, S); @@ -463,40 +511,44 @@ static const struct drm_i915_cmd_descriptor noop_desc = #undef R #undef W #undef B -#undef M -static const struct drm_i915_cmd_table gen7_render_cmds[] = { - { common_cmds, ARRAY_SIZE(common_cmds) }, - { render_cmds, ARRAY_SIZE(render_cmds) }, +static const struct drm_i915_cmd_table gen7_render_cmd_table[] = { + { gen7_common_cmds, ARRAY_SIZE(gen7_common_cmds) }, + { gen7_render_cmds, ARRAY_SIZE(gen7_render_cmds) }, }; -static const struct drm_i915_cmd_table hsw_render_ring_cmds[] = { - { common_cmds, ARRAY_SIZE(common_cmds) }, - { render_cmds, ARRAY_SIZE(render_cmds) }, +static const struct drm_i915_cmd_table hsw_render_ring_cmd_table[] = { + { gen7_common_cmds, ARRAY_SIZE(gen7_common_cmds) }, + { gen7_render_cmds, ARRAY_SIZE(gen7_render_cmds) }, { hsw_render_cmds, ARRAY_SIZE(hsw_render_cmds) }, }; -static const struct drm_i915_cmd_table gen7_video_cmds[] = { - { common_cmds, ARRAY_SIZE(common_cmds) }, - { video_cmds, ARRAY_SIZE(video_cmds) }, +static const struct drm_i915_cmd_table gen7_video_cmd_table[] = { + { gen7_common_cmds, ARRAY_SIZE(gen7_common_cmds) }, + { gen7_video_cmds, ARRAY_SIZE(gen7_video_cmds) }, }; -static const struct drm_i915_cmd_table hsw_vebox_cmds[] = { - { common_cmds, ARRAY_SIZE(common_cmds) }, - { vecs_cmds, ARRAY_SIZE(vecs_cmds) }, +static const struct drm_i915_cmd_table hsw_vebox_cmd_table[] = { + { gen7_common_cmds, ARRAY_SIZE(gen7_common_cmds) }, + { gen7_vecs_cmds, ARRAY_SIZE(gen7_vecs_cmds) }, }; -static const struct drm_i915_cmd_table gen7_blt_cmds[] = { - { common_cmds, ARRAY_SIZE(common_cmds) }, - { blt_cmds, ARRAY_SIZE(blt_cmds) }, +static const struct drm_i915_cmd_table gen7_blt_cmd_table[] = { + { gen7_common_cmds, ARRAY_SIZE(gen7_common_cmds) }, + { gen7_blt_cmds, ARRAY_SIZE(gen7_blt_cmds) }, }; -static const struct drm_i915_cmd_table hsw_blt_ring_cmds[] = { - { common_cmds, ARRAY_SIZE(common_cmds) }, - { blt_cmds, ARRAY_SIZE(blt_cmds) }, +static const struct drm_i915_cmd_table hsw_blt_ring_cmd_table[] = { + { gen7_common_cmds, ARRAY_SIZE(gen7_common_cmds) }, + { gen7_blt_cmds, ARRAY_SIZE(gen7_blt_cmds) }, { hsw_blt_cmds, ARRAY_SIZE(hsw_blt_cmds) }, }; +static const struct drm_i915_cmd_table gen9_blt_cmd_table[] = { + { gen9_blt_cmds, ARRAY_SIZE(gen9_blt_cmds) }, +}; + + /* * Register whitelists, sorted by increasing register offset. */ @@ -612,17 +664,27 @@ static const struct drm_i915_reg_descriptor gen7_blt_regs[] = { REG64_IDX(RING_TIMESTAMP, BLT_RING_BASE), }; -static const struct drm_i915_reg_descriptor ivb_master_regs[] = { - REG32(FORCEWAKE_MT), - REG32(DERRMR), - REG32(GEN7_PIPE_DE_LOAD_SL(PIPE_A)), - REG32(GEN7_PIPE_DE_LOAD_SL(PIPE_B)), - REG32(GEN7_PIPE_DE_LOAD_SL(PIPE_C)), -}; - -static const struct drm_i915_reg_descriptor hsw_master_regs[] = { - REG32(FORCEWAKE_MT), - REG32(DERRMR), +static const struct drm_i915_reg_descriptor gen9_blt_regs[] = { + REG64_IDX(RING_TIMESTAMP, RENDER_RING_BASE), + REG64_IDX(RING_TIMESTAMP, BSD_RING_BASE), + REG32(BCS_SWCTRL), + REG64_IDX(RING_TIMESTAMP, BLT_RING_BASE), + REG64_IDX(BCS_GPR, 0), + REG64_IDX(BCS_GPR, 1), + REG64_IDX(BCS_GPR, 2), + REG64_IDX(BCS_GPR, 3), + REG64_IDX(BCS_GPR, 4), + REG64_IDX(BCS_GPR, 5), + REG64_IDX(BCS_GPR, 6), + REG64_IDX(BCS_GPR, 7), + REG64_IDX(BCS_GPR, 8), + REG64_IDX(BCS_GPR, 9), + REG64_IDX(BCS_GPR, 10), + REG64_IDX(BCS_GPR, 11), + REG64_IDX(BCS_GPR, 12), + REG64_IDX(BCS_GPR, 13), + REG64_IDX(BCS_GPR, 14), + REG64_IDX(BCS_GPR, 15), }; #undef REG64 @@ -631,28 +693,27 @@ static const struct drm_i915_reg_descriptor hsw_master_regs[] = { struct drm_i915_reg_table { const struct drm_i915_reg_descriptor *regs; int num_regs; - bool master; }; static const struct drm_i915_reg_table ivb_render_reg_tables[] = { - { gen7_render_regs, ARRAY_SIZE(gen7_render_regs), false }, - { ivb_master_regs, ARRAY_SIZE(ivb_master_regs), true }, + { gen7_render_regs, ARRAY_SIZE(gen7_render_regs) }, }; static const struct drm_i915_reg_table ivb_blt_reg_tables[] = { - { gen7_blt_regs, ARRAY_SIZE(gen7_blt_regs), false }, - { ivb_master_regs, ARRAY_SIZE(ivb_master_regs), true }, + { gen7_blt_regs, ARRAY_SIZE(gen7_blt_regs) }, }; static const struct drm_i915_reg_table hsw_render_reg_tables[] = { - { gen7_render_regs, ARRAY_SIZE(gen7_render_regs), false }, - { hsw_render_regs, ARRAY_SIZE(hsw_render_regs), false }, - { hsw_master_regs, ARRAY_SIZE(hsw_master_regs), true }, + { gen7_render_regs, ARRAY_SIZE(gen7_render_regs) }, + { hsw_render_regs, ARRAY_SIZE(hsw_render_regs) }, }; static const struct drm_i915_reg_table hsw_blt_reg_tables[] = { - { gen7_blt_regs, ARRAY_SIZE(gen7_blt_regs), false }, - { hsw_master_regs, ARRAY_SIZE(hsw_master_regs), true }, + { gen7_blt_regs, ARRAY_SIZE(gen7_blt_regs) }, +}; + +static const struct drm_i915_reg_table gen9_blt_reg_tables[] = { + { gen9_blt_regs, ARRAY_SIZE(gen9_blt_regs) }, }; static u32 gen7_render_get_cmd_length_mask(u32 cmd_header) @@ -710,6 +771,17 @@ static u32 gen7_blt_get_cmd_length_mask(u32 cmd_header) return 0; } +static u32 gen9_blt_get_cmd_length_mask(u32 cmd_header) +{ + u32 client = cmd_header >> INSTR_CLIENT_SHIFT; + + if (client == INSTR_MI_CLIENT || client == INSTR_BC_CLIENT) + return 0xFF; + + DRM_DEBUG_DRIVER("CMD: Abnormal blt cmd length! 0x%08X\n", cmd_header); + return 0; +} + static bool validate_cmds_sorted(const struct intel_engine_cs *engine, const struct drm_i915_cmd_table *cmd_tables, int cmd_table_count) @@ -867,18 +939,19 @@ void intel_engine_init_cmd_parser(struct intel_engine_cs *engine) int cmd_table_count; int ret; - if (!IS_GEN(engine->i915, 7)) + if (!IS_GEN(engine->i915, 7) && !(IS_GEN(engine->i915, 9) && + engine->class == COPY_ENGINE_CLASS)) return; switch (engine->class) { case RENDER_CLASS: if (IS_HASWELL(engine->i915)) { - cmd_tables = hsw_render_ring_cmds; + cmd_tables = hsw_render_ring_cmd_table; cmd_table_count = - ARRAY_SIZE(hsw_render_ring_cmds); + ARRAY_SIZE(hsw_render_ring_cmd_table); } else { - cmd_tables = gen7_render_cmds; - cmd_table_count = ARRAY_SIZE(gen7_render_cmds); + cmd_tables = gen7_render_cmd_table; + cmd_table_count = ARRAY_SIZE(gen7_render_cmd_table); } if (IS_HASWELL(engine->i915)) { @@ -888,36 +961,46 @@ void intel_engine_init_cmd_parser(struct intel_engine_cs *engine) engine->reg_tables = ivb_render_reg_tables; engine->reg_table_count = ARRAY_SIZE(ivb_render_reg_tables); } - engine->get_cmd_length_mask = gen7_render_get_cmd_length_mask; break; case VIDEO_DECODE_CLASS: - cmd_tables = gen7_video_cmds; - cmd_table_count = ARRAY_SIZE(gen7_video_cmds); + cmd_tables = gen7_video_cmd_table; + cmd_table_count = ARRAY_SIZE(gen7_video_cmd_table); engine->get_cmd_length_mask = gen7_bsd_get_cmd_length_mask; break; case COPY_ENGINE_CLASS: - if (IS_HASWELL(engine->i915)) { - cmd_tables = hsw_blt_ring_cmds; - cmd_table_count = ARRAY_SIZE(hsw_blt_ring_cmds); + engine->get_cmd_length_mask = gen7_blt_get_cmd_length_mask; + if (IS_GEN(engine->i915, 9)) { + cmd_tables = gen9_blt_cmd_table; + cmd_table_count = ARRAY_SIZE(gen9_blt_cmd_table); + engine->get_cmd_length_mask = + gen9_blt_get_cmd_length_mask; + + /* BCS Engine unsafe without parser */ + engine->flags |= I915_ENGINE_REQUIRES_CMD_PARSER; + } else if (IS_HASWELL(engine->i915)) { + cmd_tables = hsw_blt_ring_cmd_table; + cmd_table_count = ARRAY_SIZE(hsw_blt_ring_cmd_table); } else { - cmd_tables = gen7_blt_cmds; - cmd_table_count = ARRAY_SIZE(gen7_blt_cmds); + cmd_tables = gen7_blt_cmd_table; + cmd_table_count = ARRAY_SIZE(gen7_blt_cmd_table); } - if (IS_HASWELL(engine->i915)) { + if (IS_GEN(engine->i915, 9)) { + engine->reg_tables = gen9_blt_reg_tables; + engine->reg_table_count = + ARRAY_SIZE(gen9_blt_reg_tables); + } else if (IS_HASWELL(engine->i915)) { engine->reg_tables = hsw_blt_reg_tables; engine->reg_table_count = ARRAY_SIZE(hsw_blt_reg_tables); } else { engine->reg_tables = ivb_blt_reg_tables; engine->reg_table_count = ARRAY_SIZE(ivb_blt_reg_tables); } - - engine->get_cmd_length_mask = gen7_blt_get_cmd_length_mask; break; case VIDEO_ENHANCEMENT_CLASS: - cmd_tables = hsw_vebox_cmds; - cmd_table_count = ARRAY_SIZE(hsw_vebox_cmds); + cmd_tables = hsw_vebox_cmd_table; + cmd_table_count = ARRAY_SIZE(hsw_vebox_cmd_table); /* VECS can use the same length_mask function as VCS */ engine->get_cmd_length_mask = gen7_bsd_get_cmd_length_mask; break; @@ -943,7 +1026,7 @@ void intel_engine_init_cmd_parser(struct intel_engine_cs *engine) return; } - engine->flags |= I915_ENGINE_NEEDS_CMD_PARSER; + engine->flags |= I915_ENGINE_USING_CMD_PARSER; } /** @@ -955,7 +1038,7 @@ void intel_engine_init_cmd_parser(struct intel_engine_cs *engine) */ void intel_engine_cleanup_cmd_parser(struct intel_engine_cs *engine) { - if (!intel_engine_needs_cmd_parser(engine)) + if (!intel_engine_using_cmd_parser(engine)) return; fini_hash_table(engine); @@ -1029,22 +1112,16 @@ __find_reg(const struct drm_i915_reg_descriptor *table, int count, u32 addr) } static const struct drm_i915_reg_descriptor * -find_reg(const struct intel_engine_cs *engine, bool is_master, u32 addr) +find_reg(const struct intel_engine_cs *engine, u32 addr) { const struct drm_i915_reg_table *table = engine->reg_tables; + const struct drm_i915_reg_descriptor *reg = NULL; int count = engine->reg_table_count; - for (; count > 0; ++table, --count) { - if (!table->master || is_master) { - const struct drm_i915_reg_descriptor *reg; + for (; !reg && (count > 0); ++table, --count) + reg = __find_reg(table->regs, table->num_regs, addr); - reg = __find_reg(table->regs, table->num_regs, addr); - if (reg != NULL) - return reg; - } - } - - return NULL; + return reg; } /* Returns a vmap'd pointer to dst_obj, which the caller must unmap */ @@ -1128,8 +1205,7 @@ static u32 *copy_batch(struct drm_i915_gem_object *dst_obj, static bool check_cmd(const struct intel_engine_cs *engine, const struct drm_i915_cmd_descriptor *desc, - const u32 *cmd, u32 length, - const bool is_master) + const u32 *cmd, u32 length) { if (desc->flags & CMD_DESC_SKIP) return true; @@ -1139,12 +1215,6 @@ static bool check_cmd(const struct intel_engine_cs *engine, return false; } - if ((desc->flags & CMD_DESC_MASTER) && !is_master) { - DRM_DEBUG_DRIVER("CMD: Rejected master-only command: 0x%08X\n", - *cmd); - return false; - } - if (desc->flags & CMD_DESC_REGISTER) { /* * Get the distance between individual register offset @@ -1158,7 +1228,7 @@ static bool check_cmd(const struct intel_engine_cs *engine, offset += step) { const u32 reg_addr = cmd[offset] & desc->reg.mask; const struct drm_i915_reg_descriptor *reg = - find_reg(engine, is_master, reg_addr); + find_reg(engine, reg_addr); if (!reg) { DRM_DEBUG_DRIVER("CMD: Rejected register 0x%08X in command: 0x%08X (%s)\n", @@ -1236,16 +1306,112 @@ static bool check_cmd(const struct intel_engine_cs *engine, return true; } +static int check_bbstart(const struct i915_gem_context *ctx, + u32 *cmd, u32 offset, u32 length, + u32 batch_len, + u64 batch_start, + u64 shadow_batch_start) +{ + u64 jump_offset, jump_target; + u32 target_cmd_offset, target_cmd_index; + + /* For igt compatibility on older platforms */ + if (CMDPARSER_USES_GGTT(ctx->i915)) { + DRM_DEBUG("CMD: Rejecting BB_START for ggtt based submission\n"); + return -EACCES; + } + + if (length != 3) { + DRM_DEBUG("CMD: Recursive BB_START with bad length(%u)\n", + length); + return -EINVAL; + } + + jump_target = *(u64*)(cmd+1); + jump_offset = jump_target - batch_start; + + /* + * Any underflow of jump_target is guaranteed to be outside the range + * of a u32, so >= test catches both too large and too small + */ + if (jump_offset >= batch_len) { + DRM_DEBUG("CMD: BB_START to 0x%llx jumps out of BB\n", + jump_target); + return -EINVAL; + } + + /* + * This cannot overflow a u32 because we already checked jump_offset + * is within the BB, and the batch_len is a u32 + */ + target_cmd_offset = lower_32_bits(jump_offset); + target_cmd_index = target_cmd_offset / sizeof(u32); + + *(u64*)(cmd + 1) = shadow_batch_start + target_cmd_offset; + + if (target_cmd_index == offset) + return 0; + + if (ctx->jump_whitelist_cmds <= target_cmd_index) { + DRM_DEBUG("CMD: Rejecting BB_START - truncated whitelist array\n"); + return -EINVAL; + } else if (!test_bit(target_cmd_index, ctx->jump_whitelist)) { + DRM_DEBUG("CMD: BB_START to 0x%llx not a previously executed cmd\n", + jump_target); + return -EINVAL; + } + + return 0; +} + +static void init_whitelist(struct i915_gem_context *ctx, u32 batch_len) +{ + const u32 batch_cmds = DIV_ROUND_UP(batch_len, sizeof(u32)); + const u32 exact_size = BITS_TO_LONGS(batch_cmds); + u32 next_size = BITS_TO_LONGS(roundup_pow_of_two(batch_cmds)); + unsigned long *next_whitelist; + + if (CMDPARSER_USES_GGTT(ctx->i915)) + return; + + if (batch_cmds <= ctx->jump_whitelist_cmds) { + bitmap_zero(ctx->jump_whitelist, batch_cmds); + return; + } + +again: + next_whitelist = kcalloc(next_size, sizeof(long), GFP_KERNEL); + if (next_whitelist) { + kfree(ctx->jump_whitelist); + ctx->jump_whitelist = next_whitelist; + ctx->jump_whitelist_cmds = + next_size * BITS_PER_BYTE * sizeof(long); + return; + } + + if (next_size > exact_size) { + next_size = exact_size; + goto again; + } + + DRM_DEBUG("CMD: Failed to extend whitelist. BB_START may be disallowed\n"); + bitmap_zero(ctx->jump_whitelist, ctx->jump_whitelist_cmds); + + return; +} + #define LENGTH_BIAS 2 /** * i915_parse_cmds() - parse a submitted batch buffer for privilege violations + * @ctx: the context in which the batch is to execute * @engine: the engine on which the batch is to execute * @batch_obj: the batch buffer in question - * @shadow_batch_obj: copy of the batch buffer in question + * @batch_start: Canonical base address of batch * @batch_start_offset: byte offset in the batch at which execution starts * @batch_len: length of the commands in batch_obj - * @is_master: is the submitting process the drm master? + * @shadow_batch_obj: copy of the batch buffer in question + * @shadow_batch_start: Canonical base address of shadow_batch_obj * * Parses the specified batch buffer looking for privilege violations as * described in the overview. @@ -1253,14 +1419,17 @@ static bool check_cmd(const struct intel_engine_cs *engine, * Return: non-zero if the parser finds violations or otherwise fails; -EACCES * if the batch appears legal but should use hardware parsing */ -int intel_engine_cmd_parser(struct intel_engine_cs *engine, + +int intel_engine_cmd_parser(struct i915_gem_context *ctx, + struct intel_engine_cs *engine, struct drm_i915_gem_object *batch_obj, - struct drm_i915_gem_object *shadow_batch_obj, + u64 batch_start, u32 batch_start_offset, u32 batch_len, - bool is_master) + struct drm_i915_gem_object *shadow_batch_obj, + u64 shadow_batch_start) { - u32 *cmd, *batch_end; + u32 *cmd, *batch_end, offset = 0; struct drm_i915_cmd_descriptor default_desc = noop_desc; const struct drm_i915_cmd_descriptor *desc = &default_desc; bool needs_clflush_after = false; @@ -1274,6 +1443,8 @@ int intel_engine_cmd_parser(struct intel_engine_cs *engine, return PTR_ERR(cmd); } + init_whitelist(ctx, batch_len); + /* * We use the batch length as size because the shadow object is as * large or larger and copy_batch() will write MI_NOPs to the extra @@ -1283,31 +1454,15 @@ int intel_engine_cmd_parser(struct intel_engine_cs *engine, do { u32 length; - if (*cmd == MI_BATCH_BUFFER_END) { - if (needs_clflush_after) { - void *ptr = page_mask_bits(shadow_batch_obj->mm.mapping); - drm_clflush_virt_range(ptr, - (void *)(cmd + 1) - ptr); - } + if (*cmd == MI_BATCH_BUFFER_END) break; - } desc = find_cmd(engine, *cmd, desc, &default_desc); if (!desc) { DRM_DEBUG_DRIVER("CMD: Unrecognized command: 0x%08X\n", *cmd); ret = -EINVAL; - break; - } - - /* - * If the batch buffer contains a chained batch, return an - * error that tells the caller to abort and dispatch the - * workload as a non-secure batch. - */ - if (desc->cmd.value == MI_BATCH_BUFFER_START) { - ret = -EACCES; - break; + goto err; } if (desc->flags & CMD_DESC_FIXED) @@ -1321,22 +1476,43 @@ int intel_engine_cmd_parser(struct intel_engine_cs *engine, length, batch_end - cmd); ret = -EINVAL; - break; + goto err; } - if (!check_cmd(engine, desc, cmd, length, is_master)) { + if (!check_cmd(engine, desc, cmd, length)) { ret = -EACCES; + goto err; + } + + if (desc->cmd.value == MI_BATCH_BUFFER_START) { + ret = check_bbstart(ctx, cmd, offset, length, + batch_len, batch_start, + shadow_batch_start); + + if (ret) + goto err; break; } + if (ctx->jump_whitelist_cmds > offset) + set_bit(offset, ctx->jump_whitelist); + cmd += length; + offset += length; if (cmd >= batch_end) { DRM_DEBUG_DRIVER("CMD: Got to the end of the buffer w/o a BBE cmd!\n"); ret = -EINVAL; - break; + goto err; } } while (1); + if (needs_clflush_after) { + void *ptr = page_mask_bits(shadow_batch_obj->mm.mapping); + + drm_clflush_virt_range(ptr, (void *)(cmd + 1) - ptr); + } + +err: i915_gem_object_unpin_map(shadow_batch_obj); return ret; } @@ -1357,7 +1533,7 @@ int i915_cmd_parser_get_version(struct drm_i915_private *dev_priv) /* If the command parser is not enabled, report 0 - unsupported */ for_each_uabi_engine(engine, dev_priv) { - if (intel_engine_needs_cmd_parser(engine)) { + if (intel_engine_using_cmd_parser(engine)) { active = true; break; } @@ -1382,6 +1558,7 @@ int i915_cmd_parser_get_version(struct drm_i915_private *dev_priv) * the parser enabled. * 9. Don't whitelist or handle oacontrol specially, as ownership * for oacontrol state is moving to i915-perf. + * 10. Support for Gen9 BCS Parsing */ - return 9; + return 10; } diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 020696726f9e..3d717e282908 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -364,9 +364,6 @@ static int i915_driver_modeset_probe(struct drm_device *dev) if (ret) goto cleanup_vga_client; - /* must happen before intel_power_domains_init_hw() on VLV/CHV */ - intel_update_rawclk(dev_priv); - intel_power_domains_init_hw(dev_priv, false); intel_csr_ucode_init(dev_priv); @@ -1850,6 +1847,8 @@ static int i915_drm_suspend_late(struct drm_device *dev, bool hibernation) i915_gem_suspend_late(dev_priv); + i915_rc6_ctx_wa_suspend(dev_priv); + intel_uncore_suspend(&dev_priv->uncore); intel_power_domains_suspend(dev_priv, @@ -1924,6 +1923,11 @@ static int i915_drm_resume(struct drm_device *dev) if (ret) DRM_ERROR("failed to re-enable GGTT\n"); + mutex_lock(&dev_priv->drm.struct_mutex); + i915_gem_restore_gtt_mappings(dev_priv); + i915_gem_restore_fences(dev_priv); + mutex_unlock(&dev_priv->drm.struct_mutex); + intel_csr_ucode_resume(dev_priv); i915_restore_state(dev_priv); @@ -2048,6 +2052,8 @@ static int i915_drm_resume_early(struct drm_device *dev) intel_power_domains_resume(dev_priv); + i915_rc6_ctx_wa_resume(dev_priv); + intel_gt_sanitize(&dev_priv->gt, true); enable_rpm_wakeref_asserts(&dev_priv->runtime_pm); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 772154e4073e..89b6112bd66b 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -593,6 +593,8 @@ struct intel_rps { struct intel_rc6 { bool enabled; + bool ctx_corrupted; + intel_wakeref_t ctx_corrupted_wakeref; u64 prev_hw_residency[4]; u64 cur_residency[4]; }; @@ -1723,6 +1725,8 @@ struct drm_i915_private { struct work_struct idle_work; } gem; + u8 pch_ssc_use; + /* For i945gm vblank irq vs. C3 workaround */ struct { struct work_struct work; @@ -2073,9 +2077,16 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define VEBOX_MASK(dev_priv) \ ENGINE_INSTANCES_MASK(dev_priv, VECS0, I915_MAX_VECS) +/* + * The Gen7 cmdparser copies the scanned buffer to the ggtt for execution + * All later gens can run the final buffer from the ppgtt + */ +#define CMDPARSER_USES_GGTT(dev_priv) IS_GEN(dev_priv, 7) + #define HAS_LLC(dev_priv) (INTEL_INFO(dev_priv)->has_llc) #define HAS_SNOOP(dev_priv) (INTEL_INFO(dev_priv)->has_snoop) #define HAS_EDRAM(dev_priv) ((dev_priv)->edram_size_mb) +#define HAS_SECURE_BATCHES(dev_priv) (INTEL_GEN(dev_priv) < 6) #define HAS_WT(dev_priv) ((IS_HASWELL(dev_priv) || \ IS_BROADWELL(dev_priv)) && HAS_EDRAM(dev_priv)) @@ -2108,10 +2119,12 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, /* Early gen2 have a totally busted CS tlb and require pinned batches. */ #define HAS_BROKEN_CS_TLB(dev_priv) (IS_I830(dev_priv) || IS_I845G(dev_priv)) +#define NEEDS_RC6_CTX_CORRUPTION_WA(dev_priv) \ + (IS_BROADWELL(dev_priv) || IS_GEN(dev_priv, 9)) + /* WaRsDisableCoarsePowerGating:skl,cnl */ #define NEEDS_WaRsDisableCoarsePowerGating(dev_priv) \ - (IS_CANNONLAKE(dev_priv) || \ - IS_SKL_GT3(dev_priv) || IS_SKL_GT4(dev_priv)) + (IS_CANNONLAKE(dev_priv) || IS_GEN(dev_priv, 9)) #define HAS_GMBUS_IRQ(dev_priv) (INTEL_GEN(dev_priv) >= 4) #define HAS_GMBUS_BURST_READ(dev_priv) (INTEL_GEN(dev_priv) >= 10 || \ @@ -2282,6 +2295,14 @@ int i915_gem_object_unbind(struct drm_i915_gem_object *obj, unsigned long flags); #define I915_GEM_OBJECT_UNBIND_ACTIVE BIT(0) +struct i915_vma * __must_check +i915_gem_object_pin(struct drm_i915_gem_object *obj, + struct i915_address_space *vm, + const struct i915_ggtt_view *view, + u64 size, + u64 alignment, + u64 flags); + void i915_gem_runtime_suspend(struct drm_i915_private *dev_priv); static inline int __must_check @@ -2391,12 +2412,14 @@ const char *i915_cache_level_str(struct drm_i915_private *i915, int type); int i915_cmd_parser_get_version(struct drm_i915_private *dev_priv); void intel_engine_init_cmd_parser(struct intel_engine_cs *engine); void intel_engine_cleanup_cmd_parser(struct intel_engine_cs *engine); -int intel_engine_cmd_parser(struct intel_engine_cs *engine, +int intel_engine_cmd_parser(struct i915_gem_context *cxt, + struct intel_engine_cs *engine, struct drm_i915_gem_object *batch_obj, - struct drm_i915_gem_object *shadow_batch_obj, + u64 user_batch_start, u32 batch_start_offset, u32 batch_len, - bool is_master); + struct drm_i915_gem_object *shadow_batch_obj, + u64 shadow_batch_start); /* intel_device_info.c */ static inline struct intel_device_info * diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 95e7c52cf8ed..98305d987ac1 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -964,11 +964,28 @@ i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj, { struct drm_i915_private *dev_priv = to_i915(obj->base.dev); struct i915_address_space *vm = &dev_priv->ggtt.vm; + + return i915_gem_object_pin(obj, vm, view, size, alignment, + flags | PIN_GLOBAL); +} + +struct i915_vma * +i915_gem_object_pin(struct drm_i915_gem_object *obj, + struct i915_address_space *vm, + const struct i915_ggtt_view *view, + u64 size, + u64 alignment, + u64 flags) +{ + struct drm_i915_private *dev_priv = to_i915(obj->base.dev); struct i915_vma *vma; int ret; lockdep_assert_held(&obj->base.dev->struct_mutex); + if (i915_gem_object_never_bind_ggtt(obj)) + return ERR_PTR(-ENODEV); + if (flags & PIN_MAPPABLE && (!view || view->type == I915_GGTT_VIEW_NORMAL)) { /* If the required space is larger than the available @@ -1035,7 +1052,7 @@ i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj, return ERR_PTR(ret); } - ret = i915_vma_pin(vma, size, alignment, flags | PIN_GLOBAL); + ret = i915_vma_pin(vma, size, alignment, flags); if (ret) return ERR_PTR(ret); diff --git a/drivers/gpu/drm/i915/i915_gem.h b/drivers/gpu/drm/i915/i915_gem.h index 167a7b56ed5b..6795f1daa3d5 100644 --- a/drivers/gpu/drm/i915/i915_gem.h +++ b/drivers/gpu/drm/i915/i915_gem.h @@ -77,6 +77,12 @@ struct drm_i915_private; #define I915_GEM_IDLE_TIMEOUT (HZ / 5) +static inline void tasklet_lock(struct tasklet_struct *t) +{ + while (!tasklet_trylock(t)) + cpu_relax(); +} + static inline void __tasklet_disable_sync_once(struct tasklet_struct *t) { if (!atomic_fetch_inc(&t->count)) diff --git a/drivers/gpu/drm/i915/i915_getparam.c b/drivers/gpu/drm/i915/i915_getparam.c index 5d9101376a3d..9f1517af5b7f 100644 --- a/drivers/gpu/drm/i915/i915_getparam.c +++ b/drivers/gpu/drm/i915/i915_getparam.c @@ -62,7 +62,7 @@ int i915_getparam_ioctl(struct drm_device *dev, void *data, value = !!(i915->caps.scheduler & I915_SCHEDULER_CAP_SEMAPHORES); break; case I915_PARAM_HAS_SECURE_BATCHES: - value = capable(CAP_SYS_ADMIN); + value = HAS_SECURE_BATCHES(i915) && capable(CAP_SYS_ADMIN); break; case I915_PARAM_CMD_PARSER_VERSION: value = i915_cmd_parser_get_version(i915); diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index 8e251e719390..212acaef581e 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -843,8 +843,8 @@ create_event_attributes(struct i915_pmu *pmu) const char *name; const char *unit; } events[] = { - __event(I915_PMU_ACTUAL_FREQUENCY, "actual-frequency", "MHz"), - __event(I915_PMU_REQUESTED_FREQUENCY, "requested-frequency", "MHz"), + __event(I915_PMU_ACTUAL_FREQUENCY, "actual-frequency", "M"), + __event(I915_PMU_REQUESTED_FREQUENCY, "requested-frequency", "M"), __event(I915_PMU_INTERRUPTS, "interrupts", NULL), __event(I915_PMU_RC6_RESIDENCY, "rc6-residency", "ns"), }; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 2abd199093c5..f8ee9aba3955 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -471,6 +471,8 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg) #define ECOCHK_PPGTT_WT_HSW (0x2 << 3) #define ECOCHK_PPGTT_WB_HSW (0x3 << 3) +#define GEN8_RC6_CTX_INFO _MMIO(0x8504) + #define GAC_ECO_BITS _MMIO(0x14090) #define ECOBITS_SNB_BIT (1 << 13) #define ECOBITS_PPGTT_CACHE64B (3 << 8) @@ -555,6 +557,10 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg) */ #define BCS_SWCTRL _MMIO(0x22200) +/* There are 16 GPR registers */ +#define BCS_GPR(n) _MMIO(0x22600 + (n) * 8) +#define BCS_GPR_UDW(n) _MMIO(0x22600 + (n) * 8 + 4) + #define GPGPU_THREADS_DISPATCHED _MMIO(0x2290) #define GPGPU_THREADS_DISPATCHED_UDW _MMIO(0x2290 + 4) #define HS_INVOCATION_COUNT _MMIO(0x2300) @@ -7211,6 +7217,10 @@ enum { #define TGL_DMC_DEBUG_DC5_COUNT _MMIO(0x101084) #define TGL_DMC_DEBUG_DC6_COUNT _MMIO(0x101088) +/* Display Internal Timeout Register */ +#define RM_TIMEOUT _MMIO(0x42060) +#define MMIO_TIMEOUT_US(us) ((us) << 0) + /* interrupts */ #define DE_MASTER_IRQ_CONTROL (1 << 31) #define DE_SPRITEB_FLIP_DONE (1 << 29) diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c index a53777dd371c..1c5506822dc7 100644 --- a/drivers/gpu/drm/i915/i915_request.c +++ b/drivers/gpu/drm/i915/i915_request.c @@ -194,6 +194,27 @@ static void free_capture_list(struct i915_request *request) } } +static void remove_from_engine(struct i915_request *rq) +{ + struct intel_engine_cs *engine, *locked; + + /* + * Virtual engines complicate acquiring the engine timeline lock, + * as their rq->engine pointer is not stable until under that + * engine lock. The simple ploy we use is to take the lock then + * check that the rq still belongs to the newly locked engine. + */ + locked = READ_ONCE(rq->engine); + spin_lock(&locked->active.lock); + while (unlikely(locked != (engine = READ_ONCE(rq->engine)))) { + spin_unlock(&locked->active.lock); + spin_lock(&engine->active.lock); + locked = engine; + } + list_del(&rq->sched.link); + spin_unlock(&locked->active.lock); +} + static bool i915_request_retire(struct i915_request *rq) { struct i915_active_request *active, *next; @@ -259,9 +280,7 @@ static bool i915_request_retire(struct i915_request *rq) * request that we have removed from the HW and put back on a run * queue. */ - spin_lock(&rq->engine->active.lock); - list_del(&rq->sched.link); - spin_unlock(&rq->engine->active.lock); + remove_from_engine(rq); spin_lock(&rq->lock); i915_request_mark_complete(rq); @@ -358,9 +377,10 @@ __i915_request_await_execution(struct i915_request *rq, return 0; } -void __i915_request_submit(struct i915_request *request) +bool __i915_request_submit(struct i915_request *request) { struct intel_engine_cs *engine = request->engine; + bool result = false; GEM_TRACE("%s fence %llx:%lld, current %d\n", engine->name, @@ -370,6 +390,25 @@ void __i915_request_submit(struct i915_request *request) GEM_BUG_ON(!irqs_disabled()); lockdep_assert_held(&engine->active.lock); + /* + * With the advent of preempt-to-busy, we frequently encounter + * requests that we have unsubmitted from HW, but left running + * until the next ack and so have completed in the meantime. On + * resubmission of that completed request, we can skip + * updating the payload, and execlists can even skip submitting + * the request. + * + * We must remove the request from the caller's priority queue, + * and the caller must only call us when the request is in their + * priority queue, under the active.lock. This ensures that the + * request has *not* yet been retired and we can safely move + * the request into the engine->active.list where it will be + * dropped upon retiring. (Otherwise if resubmit a *retired* + * request, this would be a horrible use-after-free.) + */ + if (i915_request_completed(request)) + goto xfer; + if (i915_gem_context_is_banned(request->gem_context)) i915_request_skip(request, -EIO); @@ -393,13 +432,18 @@ void __i915_request_submit(struct i915_request *request) i915_sw_fence_signaled(&request->semaphore)) engine->saturated |= request->sched.semaphores; - /* We may be recursing from the signal callback of another i915 fence */ - spin_lock_nested(&request->lock, SINGLE_DEPTH_NESTING); + engine->emit_fini_breadcrumb(request, + request->ring->vaddr + request->postfix); - list_move_tail(&request->sched.link, &engine->active.requests); + trace_i915_request_execute(request); + engine->serial++; + result = true; + +xfer: /* We may be recursing from the signal callback of another i915 fence */ + spin_lock_nested(&request->lock, SINGLE_DEPTH_NESTING); - GEM_BUG_ON(test_bit(I915_FENCE_FLAG_ACTIVE, &request->fence.flags)); - set_bit(I915_FENCE_FLAG_ACTIVE, &request->fence.flags); + if (!test_and_set_bit(I915_FENCE_FLAG_ACTIVE, &request->fence.flags)) + list_move_tail(&request->sched.link, &engine->active.requests); if (test_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT, &request->fence.flags) && !test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &request->fence.flags) && @@ -410,12 +454,7 @@ void __i915_request_submit(struct i915_request *request) spin_unlock(&request->lock); - engine->emit_fini_breadcrumb(request, - request->ring->vaddr + request->postfix); - - engine->serial++; - - trace_i915_request_execute(request); + return result; } void i915_request_submit(struct i915_request *request) diff --git a/drivers/gpu/drm/i915/i915_request.h b/drivers/gpu/drm/i915/i915_request.h index 8ac6e1226a56..e4dd013761e8 100644 --- a/drivers/gpu/drm/i915/i915_request.h +++ b/drivers/gpu/drm/i915/i915_request.h @@ -292,7 +292,7 @@ int i915_request_await_execution(struct i915_request *rq, void i915_request_add(struct i915_request *rq); -void __i915_request_submit(struct i915_request *request); +bool __i915_request_submit(struct i915_request *request); void i915_request_submit(struct i915_request *request); void i915_request_skip(struct i915_request *request, int error); diff --git a/drivers/gpu/drm/i915/i915_scheduler.c b/drivers/gpu/drm/i915/i915_scheduler.c index 7b84ebca2901..3eba8a2b39c2 100644 --- a/drivers/gpu/drm/i915/i915_scheduler.c +++ b/drivers/gpu/drm/i915/i915_scheduler.c @@ -177,9 +177,37 @@ static inline int rq_prio(const struct i915_request *rq) return rq->sched.attr.priority | __NO_PREEMPTION; } -static void kick_submission(struct intel_engine_cs *engine, int prio) +static inline bool need_preempt(int prio, int active) { - const struct i915_request *inflight = *engine->execlists.active; + /* + * Allow preemption of low -> normal -> high, but we do + * not allow low priority tasks to preempt other low priority + * tasks under the impression that latency for low priority + * tasks does not matter (as much as background throughput), + * so kiss. + */ + return prio >= max(I915_PRIORITY_NORMAL, active); +} + +static void kick_submission(struct intel_engine_cs *engine, + const struct i915_request *rq, + int prio) +{ + const struct i915_request *inflight; + + /* + * We only need to kick the tasklet once for the high priority + * new context we add into the queue. + */ + if (prio <= engine->execlists.queue_priority_hint) + return; + + rcu_read_lock(); + + /* Nothing currently active? We're overdue for a submission! */ + inflight = execlists_active(&engine->execlists); + if (!inflight) + goto unlock; /* * If we are already the currently executing context, don't @@ -188,10 +216,15 @@ static void kick_submission(struct intel_engine_cs *engine, int prio) * tasklet, i.e. we have not change the priority queue * sufficiently to oust the running context. */ - if (!inflight || !i915_scheduler_need_preempt(prio, rq_prio(inflight))) - return; + if (inflight->hw_context == rq->hw_context) + goto unlock; - tasklet_hi_schedule(&engine->execlists.tasklet); + engine->execlists.queue_priority_hint = prio; + if (need_preempt(prio, rq_prio(inflight))) + tasklet_hi_schedule(&engine->execlists.tasklet); + +unlock: + rcu_read_unlock(); } static void __i915_schedule(struct i915_sched_node *node, @@ -317,13 +350,8 @@ static void __i915_schedule(struct i915_sched_node *node, list_move_tail(&node->link, cache.priolist); } - if (prio <= engine->execlists.queue_priority_hint) - continue; - - engine->execlists.queue_priority_hint = prio; - /* Defer (tasklet) submission until after all of our updates. */ - kick_submission(engine, prio); + kick_submission(engine, node_to_request(node), prio); } spin_unlock(&engine->active.lock); diff --git a/drivers/gpu/drm/i915/intel_pch.c b/drivers/gpu/drm/i915/intel_pch.c index fa864d8f2b73..15f8bff141f9 100644 --- a/drivers/gpu/drm/i915/intel_pch.c +++ b/drivers/gpu/drm/i915/intel_pch.c @@ -69,6 +69,7 @@ intel_pch_type(const struct drm_i915_private *dev_priv, unsigned short id) WARN_ON(!IS_CANNONLAKE(dev_priv) && !IS_COFFEELAKE(dev_priv)); return PCH_CNP; case INTEL_PCH_CMP_DEVICE_ID_TYPE: + case INTEL_PCH_CMP2_DEVICE_ID_TYPE: DRM_DEBUG_KMS("Found Comet Lake PCH (CMP)\n"); WARN_ON(!IS_COFFEELAKE(dev_priv)); /* CometPoint is CNP Compatible */ diff --git a/drivers/gpu/drm/i915/intel_pch.h b/drivers/gpu/drm/i915/intel_pch.h index e6a2d65f19c6..c29c81ec7971 100644 --- a/drivers/gpu/drm/i915/intel_pch.h +++ b/drivers/gpu/drm/i915/intel_pch.h @@ -41,6 +41,7 @@ enum intel_pch { #define INTEL_PCH_CNP_DEVICE_ID_TYPE 0xA300 #define INTEL_PCH_CNP_LP_DEVICE_ID_TYPE 0x9D80 #define INTEL_PCH_CMP_DEVICE_ID_TYPE 0x0280 +#define INTEL_PCH_CMP2_DEVICE_ID_TYPE 0x0680 #define INTEL_PCH_ICP_DEVICE_ID_TYPE 0x3480 #define INTEL_PCH_MCC_DEVICE_ID_TYPE 0x4B00 #define INTEL_PCH_MCC2_DEVICE_ID_TYPE 0x3880 diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 75ee027abb80..2efe1d12d5a9 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -126,6 +126,14 @@ static void bxt_init_clock_gating(struct drm_i915_private *dev_priv) */ I915_WRITE(GEN9_CLKGATE_DIS_0, I915_READ(GEN9_CLKGATE_DIS_0) | PWM1_GATING_DIS | PWM2_GATING_DIS); + + /* + * Lower the display internal timeout. + * This is needed to avoid any hard hangs when DSI port PLL + * is off and a MMIO access is attempted by any privilege + * application, using batch buffers or any other means. + */ + I915_WRITE(RM_TIMEOUT, MMIO_TIMEOUT_US(950)); } static void glk_init_clock_gating(struct drm_i915_private *dev_priv) @@ -8544,6 +8552,100 @@ static void intel_init_emon(struct drm_i915_private *dev_priv) dev_priv->ips.corr = (lcfuse & LCFUSE_HIV_MASK); } +static bool i915_rc6_ctx_corrupted(struct drm_i915_private *dev_priv) +{ + return !I915_READ(GEN8_RC6_CTX_INFO); +} + +static void i915_rc6_ctx_wa_init(struct drm_i915_private *i915) +{ + if (!NEEDS_RC6_CTX_CORRUPTION_WA(i915)) + return; + + if (i915_rc6_ctx_corrupted(i915)) { + DRM_INFO("RC6 context corrupted, disabling runtime power management\n"); + i915->gt_pm.rc6.ctx_corrupted = true; + i915->gt_pm.rc6.ctx_corrupted_wakeref = + intel_runtime_pm_get(&i915->runtime_pm); + } +} + +static void i915_rc6_ctx_wa_cleanup(struct drm_i915_private *i915) +{ + if (i915->gt_pm.rc6.ctx_corrupted) { + intel_runtime_pm_put(&i915->runtime_pm, + i915->gt_pm.rc6.ctx_corrupted_wakeref); + i915->gt_pm.rc6.ctx_corrupted = false; + } +} + +/** + * i915_rc6_ctx_wa_suspend - system suspend sequence for the RC6 CTX WA + * @i915: i915 device + * + * Perform any steps needed to clean up the RC6 CTX WA before system suspend. + */ +void i915_rc6_ctx_wa_suspend(struct drm_i915_private *i915) +{ + if (i915->gt_pm.rc6.ctx_corrupted) + intel_runtime_pm_put(&i915->runtime_pm, + i915->gt_pm.rc6.ctx_corrupted_wakeref); +} + +/** + * i915_rc6_ctx_wa_resume - system resume sequence for the RC6 CTX WA + * @i915: i915 device + * + * Perform any steps needed to re-init the RC6 CTX WA after system resume. + */ +void i915_rc6_ctx_wa_resume(struct drm_i915_private *i915) +{ + if (!i915->gt_pm.rc6.ctx_corrupted) + return; + + if (i915_rc6_ctx_corrupted(i915)) { + i915->gt_pm.rc6.ctx_corrupted_wakeref = + intel_runtime_pm_get(&i915->runtime_pm); + return; + } + + DRM_INFO("RC6 context restored, re-enabling runtime power management\n"); + i915->gt_pm.rc6.ctx_corrupted = false; +} + +static void intel_disable_rc6(struct drm_i915_private *dev_priv); + +/** + * i915_rc6_ctx_wa_check - check for a new RC6 CTX corruption + * @i915: i915 device + * + * Check if an RC6 CTX corruption has happened since the last check and if so + * disable RC6 and runtime power management. + * + * Return false if no context corruption has happened since the last call of + * this function, true otherwise. +*/ +bool i915_rc6_ctx_wa_check(struct drm_i915_private *i915) +{ + if (!NEEDS_RC6_CTX_CORRUPTION_WA(i915)) + return false; + + if (i915->gt_pm.rc6.ctx_corrupted) + return false; + + if (!i915_rc6_ctx_corrupted(i915)) + return false; + + DRM_NOTE("RC6 context corruption, disabling runtime power management\n"); + + intel_disable_rc6(i915); + i915->gt_pm.rc6.ctx_corrupted = true; + i915->gt_pm.rc6.ctx_corrupted_wakeref = + intel_runtime_pm_get_noresume(&i915->runtime_pm); + + return true; +} + void intel_init_gt_powersave(struct drm_i915_private *dev_priv) { struct intel_rps *rps = &dev_priv->gt_pm.rps; @@ -8557,6 +8659,8 @@ void intel_init_gt_powersave(struct drm_i915_private *dev_priv) pm_runtime_get(&dev_priv->drm.pdev->dev); } + i915_rc6_ctx_wa_init(dev_priv); + /* Initialize RPS limits (for userspace) */ if (IS_CHERRYVIEW(dev_priv)) cherryview_init_gt_powersave(dev_priv); @@ -8595,6 +8699,8 @@ void intel_cleanup_gt_powersave(struct drm_i915_private *dev_priv) if (IS_VALLEYVIEW(dev_priv)) valleyview_cleanup_gt_powersave(dev_priv); + i915_rc6_ctx_wa_cleanup(dev_priv); + if (!HAS_RC6(dev_priv)) pm_runtime_put(&dev_priv->drm.pdev->dev); } @@ -8623,7 +8729,7 @@ static inline void intel_disable_llc_pstate(struct drm_i915_private *i915) i915->gt_pm.llc_pstate.enabled = false; } -static void intel_disable_rc6(struct drm_i915_private *dev_priv) +static void __intel_disable_rc6(struct drm_i915_private *dev_priv) { lockdep_assert_held(&dev_priv->gt_pm.rps.lock); @@ -8642,6 +8748,15 @@ static void intel_disable_rc6(struct drm_i915_private *dev_priv) dev_priv->gt_pm.rc6.enabled = false; } +static void intel_disable_rc6(struct drm_i915_private *dev_priv) +{ + struct intel_rps *rps = &dev_priv->gt_pm.rps; + + mutex_lock(&rps->lock); + __intel_disable_rc6(dev_priv); + mutex_unlock(&rps->lock); +} + static void intel_disable_rps(struct drm_i915_private *dev_priv) { lockdep_assert_held(&dev_priv->gt_pm.rps.lock); @@ -8667,7 +8782,7 @@ void intel_disable_gt_powersave(struct drm_i915_private *dev_priv) { mutex_lock(&dev_priv->gt_pm.rps.lock); - intel_disable_rc6(dev_priv); + __intel_disable_rc6(dev_priv); intel_disable_rps(dev_priv); if (HAS_LLC(dev_priv)) intel_disable_llc_pstate(dev_priv); @@ -8694,6 +8809,9 @@ static void intel_enable_rc6(struct drm_i915_private *dev_priv) if (dev_priv->gt_pm.rc6.enabled) return; + if (dev_priv->gt_pm.rc6.ctx_corrupted) + return; + if (IS_CHERRYVIEW(dev_priv)) cherryview_enable_rc6(dev_priv); else if (IS_VALLEYVIEW(dev_priv)) diff --git a/drivers/gpu/drm/i915/intel_pm.h b/drivers/gpu/drm/i915/intel_pm.h index e3573e1e16e3..0f7390c850ec 100644 --- a/drivers/gpu/drm/i915/intel_pm.h +++ b/drivers/gpu/drm/i915/intel_pm.h @@ -36,6 +36,9 @@ void intel_cleanup_gt_powersave(struct drm_i915_private *dev_priv); void intel_sanitize_gt_powersave(struct drm_i915_private *dev_priv); void intel_enable_gt_powersave(struct drm_i915_private *dev_priv); void intel_disable_gt_powersave(struct drm_i915_private *dev_priv); +bool i915_rc6_ctx_wa_check(struct drm_i915_private *i915); +void i915_rc6_ctx_wa_suspend(struct drm_i915_private *i915); +void i915_rc6_ctx_wa_resume(struct drm_i915_private *i915); void gen6_rps_busy(struct drm_i915_private *dev_priv); void gen6_rps_idle(struct drm_i915_private *dev_priv); void gen6_rps_boost(struct i915_request *rq); diff --git a/drivers/gpu/drm/i915/selftests/i915_gem.c b/drivers/gpu/drm/i915/selftests/i915_gem.c index bb6dd54a6ff3..37593831b539 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem.c @@ -118,6 +118,12 @@ static void pm_resume(struct drm_i915_private *i915) with_intel_runtime_pm(&i915->runtime_pm, wakeref) { intel_gt_sanitize(&i915->gt, false); i915_gem_sanitize(i915); + + mutex_lock(&i915->drm.struct_mutex); + i915_gem_restore_gtt_mappings(i915); + i915_gem_restore_fences(i915); + mutex_unlock(&i915->drm.struct_mutex); + i915_gem_resume(i915); } } diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 663ff9f4fac9..1e7b1be25bb0 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -26,6 +26,8 @@ #include "dsi_cfg.h" #include "msm_kms.h" +#define DSI_RESET_TOGGLE_DELAY_MS 20 + static int dsi_get_version(const void __iomem *base, u32 *major, u32 *minor) { u32 ver; @@ -986,7 +988,7 @@ static void dsi_sw_reset(struct msm_dsi_host *msm_host) wmb(); /* clocks need to be enabled before reset */ dsi_write(msm_host, REG_DSI_RESET, 1); - wmb(); /* make sure reset happen */ + msleep(DSI_RESET_TOGGLE_DELAY_MS); /* make sure reset happen */ dsi_write(msm_host, REG_DSI_RESET, 0); } @@ -1396,7 +1398,7 @@ static void dsi_sw_reset_restore(struct msm_dsi_host *msm_host) /* dsi controller can only be reset while clocks are running */ dsi_write(msm_host, REG_DSI_RESET, 1); - wmb(); /* make sure reset happen */ + msleep(DSI_RESET_TOGGLE_DELAY_MS); /* make sure reset happen */ dsi_write(msm_host, REG_DSI_RESET, 0); wmb(); /* controller out of reset */ dsi_write(msm_host, REG_DSI_CTRL, data0); diff --git a/drivers/gpu/drm/panel/panel-lg-lb035q02.c b/drivers/gpu/drm/panel/panel-lg-lb035q02.c index fc82a525b071..ee4379729a5b 100644 --- a/drivers/gpu/drm/panel/panel-lg-lb035q02.c +++ b/drivers/gpu/drm/panel/panel-lg-lb035q02.c @@ -220,9 +220,17 @@ static const struct of_device_id lb035q02_of_match[] = { MODULE_DEVICE_TABLE(of, lb035q02_of_match); +static const struct spi_device_id lb035q02_ids[] = { + { "lb035q02", 0 }, + { /* sentinel */ } +}; + +MODULE_DEVICE_TABLE(spi, lb035q02_ids); + static struct spi_driver lb035q02_driver = { .probe = lb035q02_probe, .remove = lb035q02_remove, + .id_table = lb035q02_ids, .driver = { .name = "panel-lg-lb035q02", .of_match_table = lb035q02_of_match, @@ -231,7 +239,6 @@ static struct spi_driver lb035q02_driver = { module_spi_driver(lb035q02_driver); -MODULE_ALIAS("spi:lgphilips,lb035q02"); MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>"); MODULE_DESCRIPTION("LG.Philips LB035Q02 LCD Panel driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/gpu/drm/panel/panel-nec-nl8048hl11.c b/drivers/gpu/drm/panel/panel-nec-nl8048hl11.c index 299b217c83e1..20f17e46e65d 100644 --- a/drivers/gpu/drm/panel/panel-nec-nl8048hl11.c +++ b/drivers/gpu/drm/panel/panel-nec-nl8048hl11.c @@ -230,9 +230,17 @@ static const struct of_device_id nl8048_of_match[] = { MODULE_DEVICE_TABLE(of, nl8048_of_match); +static const struct spi_device_id nl8048_ids[] = { + { "nl8048hl11", 0 }, + { /* sentinel */ } +}; + +MODULE_DEVICE_TABLE(spi, nl8048_ids); + static struct spi_driver nl8048_driver = { .probe = nl8048_probe, .remove = nl8048_remove, + .id_table = nl8048_ids, .driver = { .name = "panel-nec-nl8048hl11", .pm = &nl8048_pm_ops, @@ -242,7 +250,6 @@ static struct spi_driver nl8048_driver = { module_spi_driver(nl8048_driver); -MODULE_ALIAS("spi:nec,nl8048hl11"); MODULE_AUTHOR("Erik Gilling <konkers@android.com>"); MODULE_DESCRIPTION("NEC-NL8048HL11 Driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/gpu/drm/panel/panel-sony-acx565akm.c b/drivers/gpu/drm/panel/panel-sony-acx565akm.c index 305259b58767..3d5b9c4f68d9 100644 --- a/drivers/gpu/drm/panel/panel-sony-acx565akm.c +++ b/drivers/gpu/drm/panel/panel-sony-acx565akm.c @@ -684,9 +684,17 @@ static const struct of_device_id acx565akm_of_match[] = { MODULE_DEVICE_TABLE(of, acx565akm_of_match); +static const struct spi_device_id acx565akm_ids[] = { + { "acx565akm", 0 }, + { /* sentinel */ } +}; + +MODULE_DEVICE_TABLE(spi, acx565akm_ids); + static struct spi_driver acx565akm_driver = { .probe = acx565akm_probe, .remove = acx565akm_remove, + .id_table = acx565akm_ids, .driver = { .name = "panel-sony-acx565akm", .of_match_table = acx565akm_of_match, @@ -695,7 +703,6 @@ static struct spi_driver acx565akm_driver = { module_spi_driver(acx565akm_driver); -MODULE_ALIAS("spi:sony,acx565akm"); MODULE_AUTHOR("Nokia Corporation"); MODULE_DESCRIPTION("Sony ACX565AKM LCD Panel Driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/gpu/drm/panel/panel-tpo-td028ttec1.c b/drivers/gpu/drm/panel/panel-tpo-td028ttec1.c index d7b2e34626ef..f2baff827f50 100644 --- a/drivers/gpu/drm/panel/panel-tpo-td028ttec1.c +++ b/drivers/gpu/drm/panel/panel-tpo-td028ttec1.c @@ -375,8 +375,7 @@ static const struct of_device_id td028ttec1_of_match[] = { MODULE_DEVICE_TABLE(of, td028ttec1_of_match); static const struct spi_device_id td028ttec1_ids[] = { - { "tpo,td028ttec1", 0}, - { "toppoly,td028ttec1", 0 }, + { "td028ttec1", 0 }, { /* sentinel */ } }; diff --git a/drivers/gpu/drm/panel/panel-tpo-td043mtea1.c b/drivers/gpu/drm/panel/panel-tpo-td043mtea1.c index 84370562910f..ba163c779084 100644 --- a/drivers/gpu/drm/panel/panel-tpo-td043mtea1.c +++ b/drivers/gpu/drm/panel/panel-tpo-td043mtea1.c @@ -491,9 +491,17 @@ static const struct of_device_id td043mtea1_of_match[] = { MODULE_DEVICE_TABLE(of, td043mtea1_of_match); +static const struct spi_device_id td043mtea1_ids[] = { + { "td043mtea1", 0 }, + { /* sentinel */ } +}; + +MODULE_DEVICE_TABLE(spi, td043mtea1_ids); + static struct spi_driver td043mtea1_driver = { .probe = td043mtea1_probe, .remove = td043mtea1_remove, + .id_table = td043mtea1_ids, .driver = { .name = "panel-tpo-td043mtea1", .pm = &td043mtea1_pm_ops, @@ -503,7 +511,6 @@ static struct spi_driver td043mtea1_driver = { module_spi_driver(td043mtea1_driver); -MODULE_ALIAS("spi:tpo,td043mtea1"); MODULE_AUTHOR("Gražvydas Ignotas <notasas@gmail.com>"); MODULE_DESCRIPTION("TPO TD043MTEA1 Panel Driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c index bc2ddeb55f5d..f21bc8a7ee3a 100644 --- a/drivers/gpu/drm/panfrost/panfrost_drv.c +++ b/drivers/gpu/drm/panfrost/panfrost_drv.c @@ -556,11 +556,11 @@ static int panfrost_probe(struct platform_device *pdev) return 0; err_out2: + pm_runtime_disable(pfdev->dev); panfrost_devfreq_fini(pfdev); err_out1: panfrost_device_fini(pfdev); err_out0: - pm_runtime_disable(pfdev->dev); drm_dev_put(ddev); return err; } diff --git a/drivers/gpu/drm/panfrost/panfrost_gpu.c b/drivers/gpu/drm/panfrost/panfrost_gpu.c index f67ed925c0ef..8822ec13a0d6 100644 --- a/drivers/gpu/drm/panfrost/panfrost_gpu.c +++ b/drivers/gpu/drm/panfrost/panfrost_gpu.c @@ -208,6 +208,9 @@ static void panfrost_gpu_init_features(struct panfrost_device *pfdev) pfdev->features.mem_features = gpu_read(pfdev, GPU_MEM_FEATURES); pfdev->features.mmu_features = gpu_read(pfdev, GPU_MMU_FEATURES); pfdev->features.thread_features = gpu_read(pfdev, GPU_THREAD_FEATURES); + pfdev->features.max_threads = gpu_read(pfdev, GPU_THREAD_MAX_THREADS); + pfdev->features.thread_max_workgroup_sz = gpu_read(pfdev, GPU_THREAD_MAX_WORKGROUP_SIZE); + pfdev->features.thread_max_barrier_sz = gpu_read(pfdev, GPU_THREAD_MAX_BARRIER_SIZE); pfdev->features.coherency_features = gpu_read(pfdev, GPU_COHERENCY_FEATURES); for (i = 0; i < 4; i++) pfdev->features.texture_features[i] = gpu_read(pfdev, GPU_TEXTURE_FEATURES(i)); diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c index a58551668d9a..21f34d44aac2 100644 --- a/drivers/gpu/drm/panfrost/panfrost_job.c +++ b/drivers/gpu/drm/panfrost/panfrost_job.c @@ -381,13 +381,19 @@ static void panfrost_job_timedout(struct drm_sched_job *sched_job) job_read(pfdev, JS_TAIL_LO(js)), sched_job); - mutex_lock(&pfdev->reset_lock); + if (!mutex_trylock(&pfdev->reset_lock)) + return; - for (i = 0; i < NUM_JOB_SLOTS; i++) - drm_sched_stop(&pfdev->js->queue[i].sched, sched_job); + for (i = 0; i < NUM_JOB_SLOTS; i++) { + struct drm_gpu_scheduler *sched = &pfdev->js->queue[i].sched; + + drm_sched_stop(sched, sched_job); + if (js != i) + /* Ensure any timeouts on other slots have finished */ + cancel_delayed_work_sync(&sched->work_tdr); + } - if (sched_job) - drm_sched_increase_karma(sched_job); + drm_sched_increase_karma(sched_job); spin_lock_irqsave(&pfdev->js->job_lock, flags); for (i = 0; i < NUM_JOB_SLOTS; i++) { diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c index bdd990568476..a3ed64a1f15e 100644 --- a/drivers/gpu/drm/panfrost/panfrost_mmu.c +++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c @@ -224,9 +224,9 @@ static size_t get_pgsize(u64 addr, size_t size) return SZ_2M; } -void panfrost_mmu_flush_range(struct panfrost_device *pfdev, - struct panfrost_mmu *mmu, - u64 iova, size_t size) +static void panfrost_mmu_flush_range(struct panfrost_device *pfdev, + struct panfrost_mmu *mmu, + u64 iova, size_t size) { if (mmu->as < 0) return; @@ -406,11 +406,11 @@ addr_to_drm_mm_node(struct panfrost_device *pfdev, int as, u64 addr) spin_lock(&pfdev->as_lock); list_for_each_entry(mmu, &pfdev->as_lru_list, list) { if (as == mmu->as) - break; + goto found_mmu; } - if (as != mmu->as) - goto out; + goto out; +found_mmu: priv = container_of(mmu, struct panfrost_file_priv, mmu); spin_lock(&priv->mm_lock); @@ -432,7 +432,8 @@ out: #define NUM_FAULT_PAGES (SZ_2M / PAGE_SIZE) -int panfrost_mmu_map_fault_addr(struct panfrost_device *pfdev, int as, u64 addr) +static int panfrost_mmu_map_fault_addr(struct panfrost_device *pfdev, int as, + u64 addr) { int ret, i; struct panfrost_gem_object *bo; diff --git a/drivers/gpu/drm/panfrost/panfrost_perfcnt.c b/drivers/gpu/drm/panfrost/panfrost_perfcnt.c index 83c57d325ca8..2dba192bf198 100644 --- a/drivers/gpu/drm/panfrost/panfrost_perfcnt.c +++ b/drivers/gpu/drm/panfrost/panfrost_perfcnt.c @@ -16,6 +16,7 @@ #include "panfrost_issues.h" #include "panfrost_job.h" #include "panfrost_mmu.h" +#include "panfrost_perfcnt.h" #include "panfrost_regs.h" #define COUNTERS_PER_BLOCK 64 diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index d0bc91ed7c90..4528f4dc0b2d 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -379,7 +379,9 @@ radeon_pci_remove(struct pci_dev *pdev) static void radeon_pci_shutdown(struct pci_dev *pdev) { +#ifdef CONFIG_PPC64 struct drm_device *ddev = pci_get_drvdata(pdev); +#endif /* if we are running in a VM, make sure the device * torn down properly on reboot/shutdown @@ -387,11 +389,15 @@ radeon_pci_shutdown(struct pci_dev *pdev) if (radeon_device_is_virtual()) radeon_pci_remove(pdev); +#ifdef CONFIG_PPC64 /* Some adapters need to be suspended before a - * shutdown occurs in order to prevent an error - * during kexec. - */ + * shutdown occurs in order to prevent an error + * during kexec. + * Make this power specific becauase it breaks + * some non-power boards. + */ radeon_suspend_kms(ddev, true, true, false); +#endif } static int radeon_pmops_suspend(struct device *dev) diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 460fd98e40a7..a0b382a637a6 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -1958,6 +1958,7 @@ static void si_initialize_powertune_defaults(struct radeon_device *rdev) case 0x682C: si_pi->cac_weights = cac_weights_cape_verde_pro; si_pi->dte_data = dte_data_sun_xt; + update_dte_from_pl2 = true; break; case 0x6825: case 0x6827: diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index 9a0ee74d82dc..f39b97ed4ade 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -479,6 +479,7 @@ void drm_sched_resubmit_jobs(struct drm_gpu_scheduler *sched) struct drm_sched_job *s_job, *tmp; uint64_t guilty_context; bool found_guilty = false; + struct dma_fence *fence; list_for_each_entry_safe(s_job, tmp, &sched->ring_mirror_list, node) { struct drm_sched_fence *s_fence = s_job->s_fence; @@ -492,7 +493,16 @@ void drm_sched_resubmit_jobs(struct drm_gpu_scheduler *sched) dma_fence_set_error(&s_fence->finished, -ECANCELED); dma_fence_put(s_job->s_fence->parent); - s_job->s_fence->parent = sched->ops->run_job(s_job); + fence = sched->ops->run_job(s_job); + + if (IS_ERR_OR_NULL(fence)) { + s_job->s_fence->parent = NULL; + dma_fence_set_error(&s_fence->finished, PTR_ERR(fence)); + } else { + s_job->s_fence->parent = fence; + } + + } } EXPORT_SYMBOL(drm_sched_resubmit_jobs); @@ -720,7 +730,7 @@ static int drm_sched_main(void *param) fence = sched->ops->run_job(sched_job); drm_sched_fence_scheduled(s_fence); - if (fence) { + if (!IS_ERR_OR_NULL(fence)) { s_fence->parent = dma_fence_get(fence); r = dma_fence_add_callback(fence, &sched_job->cb, drm_sched_process_job); @@ -730,8 +740,11 @@ static int drm_sched_main(void *param) DRM_ERROR("fence add callback failed (%d)\n", r); dma_fence_put(fence); - } else + } else { + + dma_fence_set_error(&s_fence->finished, PTR_ERR(fence)); drm_sched_process_job(NULL, &sched_job->cb); + } wake_up(&sched->job_scheduled); } diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index 04c721d0d3b9..b89439ed210d 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -488,7 +488,7 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon, WARN_ON(!tcon->quirks->has_channel_0); - tcon->dclk_min_div = 6; + tcon->dclk_min_div = 1; tcon->dclk_max_div = 127; sun4i_tcon0_mode_set_common(tcon, mode); diff --git a/drivers/gpu/drm/tiny/Kconfig b/drivers/gpu/drm/tiny/Kconfig index 504763423d46..a46ac284dd5e 100644 --- a/drivers/gpu/drm/tiny/Kconfig +++ b/drivers/gpu/drm/tiny/Kconfig @@ -63,7 +63,6 @@ config TINYDRM_REPAPER depends on DRM && SPI select DRM_KMS_HELPER select DRM_KMS_CMA_HELPER - depends on THERMAL || !THERMAL help DRM driver for the following Pervasive Displays panels: 1.44" TFT EPD Panel (E1144CS021) diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 20ff56f27aa4..98819462f025 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -185,8 +185,9 @@ static void ttm_bo_add_mem_to_lru(struct ttm_buffer_object *bo, list_add_tail(&bo->lru, &man->lru[bo->priority]); kref_get(&bo->list_kref); - if (bo->ttm && !(bo->ttm->page_flags & - (TTM_PAGE_FLAG_SG | TTM_PAGE_FLAG_SWAPPED))) { + if (!(man->flags & TTM_MEMTYPE_FLAG_FIXED) && bo->ttm && + !(bo->ttm->page_flags & (TTM_PAGE_FLAG_SG | + TTM_PAGE_FLAG_SWAPPED))) { list_add_tail(&bo->swap, &bdev->glob->swap_lru[bo->priority]); kref_get(&bo->list_kref); } @@ -878,11 +879,11 @@ static int ttm_mem_evict_first(struct ttm_bo_device *bdev, if (!bo) { if (busy_bo) - ttm_bo_get(busy_bo); + kref_get(&busy_bo->list_kref); spin_unlock(&glob->lru_lock); ret = ttm_mem_evict_wait_busy(busy_bo, ctx, ticket); if (busy_bo) - ttm_bo_put(busy_bo); + kref_put(&busy_bo->list_kref, ttm_bo_release_list); return ret; } diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c index 76eedb963693..46dc3de7e81b 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c @@ -278,15 +278,13 @@ static vm_fault_t ttm_bo_vm_fault(struct vm_fault *vmf) else ret = vmf_insert_pfn(&cvma, address, pfn); - /* - * Somebody beat us to this PTE or prefaulting to - * an already populated PTE, or prefaulting error. - */ - - if (unlikely((ret == VM_FAULT_NOPAGE && i > 0))) - break; - else if (unlikely(ret & VM_FAULT_ERROR)) - goto out_io_unlock; + /* Never error on prefaulted PTEs */ + if (unlikely((ret & VM_FAULT_ERROR))) { + if (i == 0) + goto out_io_unlock; + else + break; + } address += PAGE_SIZE; if (unlikely(++page_offset >= page_last)) diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c index 5d80507b539b..19c092d75266 100644 --- a/drivers/gpu/drm/v3d/v3d_gem.c +++ b/drivers/gpu/drm/v3d/v3d_gem.c @@ -557,13 +557,16 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data, if (args->bcl_start != args->bcl_end) { bin = kcalloc(1, sizeof(*bin), GFP_KERNEL); - if (!bin) + if (!bin) { + v3d_job_put(&render->base); return -ENOMEM; + } ret = v3d_job_init(v3d, file_priv, &bin->base, v3d_job_free, args->in_sync_bcl); if (ret) { v3d_job_put(&render->base); + kfree(bin); return ret; } diff --git a/drivers/gpu/drm/xen/xen_drm_front.c b/drivers/gpu/drm/xen/xen_drm_front.c index ba1828acd8c9..4be49c1aef51 100644 --- a/drivers/gpu/drm/xen/xen_drm_front.c +++ b/drivers/gpu/drm/xen/xen_drm_front.c @@ -718,17 +718,9 @@ static int xen_drv_probe(struct xenbus_device *xb_dev, struct device *dev = &xb_dev->dev; int ret; - /* - * The device is not spawn from a device tree, so arch_setup_dma_ops - * is not called, thus leaving the device with dummy DMA ops. - * This makes the device return error on PRIME buffer import, which - * is not correct: to fix this call of_dma_configure() with a NULL - * node to set default DMA ops. - */ - dev->coherent_dma_mask = DMA_BIT_MASK(32); - ret = of_dma_configure(dev, NULL, true); + ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(64)); if (ret < 0) { - DRM_ERROR("Cannot setup DMA ops, ret %d", ret); + DRM_ERROR("Cannot setup DMA mask, ret %d", ret); return ret; } diff --git a/drivers/hid/hid-axff.c b/drivers/hid/hid-axff.c index 6654c1550e2e..fbe4e16ab029 100644 --- a/drivers/hid/hid-axff.c +++ b/drivers/hid/hid-axff.c @@ -63,13 +63,20 @@ static int axff_init(struct hid_device *hid) { struct axff_device *axff; struct hid_report *report; - struct hid_input *hidinput = list_first_entry(&hid->inputs, struct hid_input, list); + struct hid_input *hidinput; struct list_head *report_list =&hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; + struct input_dev *dev; int field_count = 0; int i, j; int error; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_first_entry(&hid->inputs, struct hid_input, list); + dev = hidinput->input; + if (list_empty(report_list)) { hid_err(hid, "no output reports found\n"); return -ENODEV; diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 3eaee2c37931..63fdbf09b044 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1139,6 +1139,7 @@ int hid_open_report(struct hid_device *device) __u8 *start; __u8 *buf; __u8 *end; + __u8 *next; int ret; static int (*dispatch_type[])(struct hid_parser *parser, struct hid_item *item) = { @@ -1192,7 +1193,8 @@ int hid_open_report(struct hid_device *device) device->collection_size = HID_DEFAULT_NUM_COLLECTIONS; ret = -EINVAL; - while ((start = fetch_item(start, end, &item)) != NULL) { + while ((next = fetch_item(start, end, &item)) != NULL) { + start = next; if (item.format != HID_ITEM_FORMAT_SHORT) { hid_err(device, "unexpected long global item\n"); @@ -1230,7 +1232,8 @@ int hid_open_report(struct hid_device *device) } } - hid_err(device, "item fetching failed at offset %d\n", (int)(end - start)); + hid_err(device, "item fetching failed at offset %u/%u\n", + size - (unsigned int)(end - start), size); err: kfree(parser->collection_stack); alloc_err: diff --git a/drivers/hid/hid-dr.c b/drivers/hid/hid-dr.c index 17e17f9a597b..947f19f8685f 100644 --- a/drivers/hid/hid-dr.c +++ b/drivers/hid/hid-dr.c @@ -75,13 +75,19 @@ static int drff_init(struct hid_device *hid) { struct drff_device *drff; struct hid_report *report; - struct hid_input *hidinput = list_first_entry(&hid->inputs, - struct hid_input, list); + struct hid_input *hidinput; struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; + struct input_dev *dev; int error; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_first_entry(&hid->inputs, struct hid_input, list); + dev = hidinput->input; + if (list_empty(report_list)) { hid_err(hid, "no output reports found\n"); return -ENODEV; diff --git a/drivers/hid/hid-emsff.c b/drivers/hid/hid-emsff.c index 7cd5651872d3..c34f2e5a049f 100644 --- a/drivers/hid/hid-emsff.c +++ b/drivers/hid/hid-emsff.c @@ -47,13 +47,19 @@ static int emsff_init(struct hid_device *hid) { struct emsff_device *emsff; struct hid_report *report; - struct hid_input *hidinput = list_first_entry(&hid->inputs, - struct hid_input, list); + struct hid_input *hidinput; struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; + struct input_dev *dev; int error; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_first_entry(&hid->inputs, struct hid_input, list); + dev = hidinput->input; + if (list_empty(report_list)) { hid_err(hid, "no output reports found\n"); return -ENODEV; diff --git a/drivers/hid/hid-gaff.c b/drivers/hid/hid-gaff.c index 0f95c96b70f8..ecbd3995a4eb 100644 --- a/drivers/hid/hid-gaff.c +++ b/drivers/hid/hid-gaff.c @@ -64,14 +64,20 @@ static int gaff_init(struct hid_device *hid) { struct gaff_device *gaff; struct hid_report *report; - struct hid_input *hidinput = list_entry(hid->inputs.next, - struct hid_input, list); + struct hid_input *hidinput; struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct list_head *report_ptr = report_list; - struct input_dev *dev = hidinput->input; + struct input_dev *dev; int error; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + if (list_empty(report_list)) { hid_err(hid, "no output reports found\n"); return -ENODEV; diff --git a/drivers/hid/hid-google-hammer.c b/drivers/hid/hid-google-hammer.c index 84f8c127ebdc..d86a9189e88f 100644 --- a/drivers/hid/hid-google-hammer.c +++ b/drivers/hid/hid-google-hammer.c @@ -470,6 +470,10 @@ static const struct hid_device_id hammer_devices[] = { { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_HAMMER) }, { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, + USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_MAGNEMITE) }, + { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, + USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_MASTERBALL) }, + { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_STAFF) }, { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_WAND) }, diff --git a/drivers/hid/hid-holtekff.c b/drivers/hid/hid-holtekff.c index 10a720558830..8619b80c834c 100644 --- a/drivers/hid/hid-holtekff.c +++ b/drivers/hid/hid-holtekff.c @@ -124,13 +124,19 @@ static int holtekff_init(struct hid_device *hid) { struct holtekff_device *holtekff; struct hid_report *report; - struct hid_input *hidinput = list_entry(hid->inputs.next, - struct hid_input, list); + struct hid_input *hidinput; struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; + struct input_dev *dev; int error; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + if (list_empty(report_list)) { hid_err(hid, "no output report found\n"); return -ENODEV; diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c index cc5b09b87ab0..79a28fc91521 100644 --- a/drivers/hid/hid-hyperv.c +++ b/drivers/hid/hid-hyperv.c @@ -314,60 +314,24 @@ static void mousevsc_on_receive(struct hv_device *device, static void mousevsc_on_channel_callback(void *context) { - const int packet_size = 0x100; - int ret; struct hv_device *device = context; - u32 bytes_recvd; - u64 req_id; struct vmpacket_descriptor *desc; - unsigned char *buffer; - int bufferlen = packet_size; - - buffer = kmalloc(bufferlen, GFP_ATOMIC); - if (!buffer) - return; - - do { - ret = vmbus_recvpacket_raw(device->channel, buffer, - bufferlen, &bytes_recvd, &req_id); - - switch (ret) { - case 0: - if (bytes_recvd <= 0) { - kfree(buffer); - return; - } - desc = (struct vmpacket_descriptor *)buffer; - - switch (desc->type) { - case VM_PKT_COMP: - break; - - case VM_PKT_DATA_INBAND: - mousevsc_on_receive(device, desc); - break; - - default: - pr_err("unhandled packet type %d, tid %llx len %d\n", - desc->type, req_id, bytes_recvd); - break; - } + foreach_vmbus_pkt(desc, device->channel) { + switch (desc->type) { + case VM_PKT_COMP: break; - case -ENOBUFS: - kfree(buffer); - /* Handle large packet */ - bufferlen = bytes_recvd; - buffer = kmalloc(bytes_recvd, GFP_ATOMIC); - - if (!buffer) - return; + case VM_PKT_DATA_INBAND: + mousevsc_on_receive(device, desc); + break; + default: + pr_err("Unhandled packet type %d, tid %llx len %d\n", + desc->type, desc->trans_id, desc->len8 * 8); break; } - } while (1); - + } } static int mousevsc_connect_to_vsp(struct hv_device *device) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 76969a22b0f2..447e8db21174 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -476,6 +476,8 @@ #define USB_DEVICE_ID_GOOGLE_STAFF 0x502b #define USB_DEVICE_ID_GOOGLE_WAND 0x502d #define USB_DEVICE_ID_GOOGLE_WHISKERS 0x5030 +#define USB_DEVICE_ID_GOOGLE_MASTERBALL 0x503c +#define USB_DEVICE_ID_GOOGLE_MAGNEMITE 0x503d #define USB_VENDOR_ID_GOTOP 0x08f2 #define USB_DEVICE_ID_SUPER_Q2 0x007f diff --git a/drivers/hid/hid-lg2ff.c b/drivers/hid/hid-lg2ff.c index dd1a6c3a7de6..73d07e35f12a 100644 --- a/drivers/hid/hid-lg2ff.c +++ b/drivers/hid/hid-lg2ff.c @@ -50,11 +50,17 @@ int lg2ff_init(struct hid_device *hid) { struct lg2ff_device *lg2ff; struct hid_report *report; - struct hid_input *hidinput = list_entry(hid->inputs.next, - struct hid_input, list); - struct input_dev *dev = hidinput->input; + struct hid_input *hidinput; + struct input_dev *dev; int error; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + /* Check that the report looks ok */ report = hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7); if (!report) diff --git a/drivers/hid/hid-lg3ff.c b/drivers/hid/hid-lg3ff.c index 9ecb6fd06203..b7e1949f3cf7 100644 --- a/drivers/hid/hid-lg3ff.c +++ b/drivers/hid/hid-lg3ff.c @@ -117,12 +117,19 @@ static const signed short ff3_joystick_ac[] = { int lg3ff_init(struct hid_device *hid) { - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct input_dev *dev = hidinput->input; + struct hid_input *hidinput; + struct input_dev *dev; const signed short *ff_bits = ff3_joystick_ac; int error; int i; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + /* Check that the report looks ok */ if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 35)) return -ENODEV; diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c index 03f0220062ca..5e6a0cef2a06 100644 --- a/drivers/hid/hid-lg4ff.c +++ b/drivers/hid/hid-lg4ff.c @@ -1253,8 +1253,8 @@ static int lg4ff_handle_multimode_wheel(struct hid_device *hid, u16 *real_produc int lg4ff_init(struct hid_device *hid) { - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct input_dev *dev = hidinput->input; + struct hid_input *hidinput; + struct input_dev *dev; struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct hid_report *report = list_entry(report_list->next, struct hid_report, list); const struct usb_device_descriptor *udesc = &(hid_to_usb_dev(hid)->descriptor); @@ -1266,6 +1266,13 @@ int lg4ff_init(struct hid_device *hid) int mmode_ret, mmode_idx = -1; u16 real_product_id; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + /* Check that the report looks ok */ if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7)) return -1; diff --git a/drivers/hid/hid-lgff.c b/drivers/hid/hid-lgff.c index c79a6ec43745..aed4ddc397a9 100644 --- a/drivers/hid/hid-lgff.c +++ b/drivers/hid/hid-lgff.c @@ -115,12 +115,19 @@ static void hid_lgff_set_autocenter(struct input_dev *dev, u16 magnitude) int lgff_init(struct hid_device* hid) { - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct input_dev *dev = hidinput->input; + struct hid_input *hidinput; + struct input_dev *dev; const signed short *ff_bits = ff_joystick; int error; int i; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + /* Check that the report looks ok */ if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7)) return -ENODEV; diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c index 0179f7ed77e5..8e91e2f06cb4 100644 --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -1669,6 +1669,7 @@ static void hidpp_touchpad_raw_xy_event(struct hidpp_device *hidpp_dev, #define HIDPP_FF_EFFECTID_NONE -1 #define HIDPP_FF_EFFECTID_AUTOCENTER -2 +#define HIDPP_AUTOCENTER_PARAMS_LENGTH 18 #define HIDPP_FF_MAX_PARAMS 20 #define HIDPP_FF_RESERVED_SLOTS 1 @@ -2009,7 +2010,7 @@ static int hidpp_ff_erase_effect(struct input_dev *dev, int effect_id) static void hidpp_ff_set_autocenter(struct input_dev *dev, u16 magnitude) { struct hidpp_ff_private_data *data = dev->ff->private; - u8 params[18]; + u8 params[HIDPP_AUTOCENTER_PARAMS_LENGTH]; dbg_hid("Setting autocenter to %d.\n", magnitude); @@ -2077,23 +2078,34 @@ static DEVICE_ATTR(range, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH, hidpp static void hidpp_ff_destroy(struct ff_device *ff) { struct hidpp_ff_private_data *data = ff->private; + struct hid_device *hid = data->hidpp->hid_dev; + hid_info(hid, "Unloading HID++ force feedback.\n"); + + device_remove_file(&hid->dev, &dev_attr_range); + destroy_workqueue(data->wq); kfree(data->effect_ids); } -static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index) +static int hidpp_ff_init(struct hidpp_device *hidpp, + struct hidpp_ff_private_data *data) { struct hid_device *hid = hidpp->hid_dev; - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct input_dev *dev = hidinput->input; + struct hid_input *hidinput; + struct input_dev *dev; const struct usb_device_descriptor *udesc = &(hid_to_usb_dev(hid)->descriptor); const u16 bcdDevice = le16_to_cpu(udesc->bcdDevice); struct ff_device *ff; - struct hidpp_report response; - struct hidpp_ff_private_data *data; - int error, j, num_slots; + int error, j, num_slots = data->num_effects; u8 version; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + if (!dev) { hid_err(hid, "Struct input_dev not set!\n"); return -EINVAL; @@ -2109,27 +2121,17 @@ static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index) for (j = 0; hidpp_ff_effects_v2[j] >= 0; j++) set_bit(hidpp_ff_effects_v2[j], dev->ffbit); - /* Read number of slots available in device */ - error = hidpp_send_fap_command_sync(hidpp, feature_index, - HIDPP_FF_GET_INFO, NULL, 0, &response); - if (error) { - if (error < 0) - return error; - hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n", - __func__, error); - return -EPROTO; - } - - num_slots = response.fap.params[0] - HIDPP_FF_RESERVED_SLOTS; - error = input_ff_create(dev, num_slots); if (error) { hid_err(dev, "Failed to create FF device!\n"); return error; } - - data = kzalloc(sizeof(*data), GFP_KERNEL); + /* + * Create a copy of passed data, so we can transfer memory + * ownership to FF core + */ + data = kmemdup(data, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; data->effect_ids = kcalloc(num_slots, sizeof(int), GFP_KERNEL); @@ -2145,10 +2147,7 @@ static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index) } data->hidpp = hidpp; - data->feature_index = feature_index; data->version = version; - data->slot_autocenter = 0; - data->num_effects = num_slots; for (j = 0; j < num_slots; j++) data->effect_ids[j] = -1; @@ -2162,68 +2161,20 @@ static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index) ff->set_autocenter = hidpp_ff_set_autocenter; ff->destroy = hidpp_ff_destroy; - - /* reset all forces */ - error = hidpp_send_fap_command_sync(hidpp, feature_index, - HIDPP_FF_RESET_ALL, NULL, 0, &response); - - /* Read current Range */ - error = hidpp_send_fap_command_sync(hidpp, feature_index, - HIDPP_FF_GET_APERTURE, NULL, 0, &response); - if (error) - hid_warn(hidpp->hid_dev, "Failed to read range from device!\n"); - data->range = error ? 900 : get_unaligned_be16(&response.fap.params[0]); - /* Create sysfs interface */ error = device_create_file(&(hidpp->hid_dev->dev), &dev_attr_range); if (error) hid_warn(hidpp->hid_dev, "Unable to create sysfs interface for \"range\", errno %d!\n", error); - /* Read the current gain values */ - error = hidpp_send_fap_command_sync(hidpp, feature_index, - HIDPP_FF_GET_GLOBAL_GAINS, NULL, 0, &response); - if (error) - hid_warn(hidpp->hid_dev, "Failed to read gain values from device!\n"); - data->gain = error ? 0xffff : get_unaligned_be16(&response.fap.params[0]); - /* ignore boost value at response.fap.params[2] */ - /* init the hardware command queue */ atomic_set(&data->workqueue_size, 0); - /* initialize with zero autocenter to get wheel in usable state */ - hidpp_ff_set_autocenter(dev, 0); - hid_info(hid, "Force feedback support loaded (firmware release %d).\n", version); return 0; } -static int hidpp_ff_deinit(struct hid_device *hid) -{ - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct input_dev *dev = hidinput->input; - struct hidpp_ff_private_data *data; - - if (!dev) { - hid_err(hid, "Struct input_dev not found!\n"); - return -EINVAL; - } - - hid_info(hid, "Unloading HID++ force feedback.\n"); - data = dev->ff->private; - if (!data) { - hid_err(hid, "Private data not found!\n"); - return -EINVAL; - } - - destroy_workqueue(data->wq); - device_remove_file(&hid->dev, &dev_attr_range); - - return 0; -} - - /* ************************************************************************** */ /* */ /* Device Support */ @@ -2725,24 +2676,93 @@ static int k400_connect(struct hid_device *hdev, bool connected) #define HIDPP_PAGE_G920_FORCE_FEEDBACK 0x8123 -static int g920_get_config(struct hidpp_device *hidpp) +static int g920_ff_set_autocenter(struct hidpp_device *hidpp, + struct hidpp_ff_private_data *data) { + struct hidpp_report response; + u8 params[HIDPP_AUTOCENTER_PARAMS_LENGTH] = { + [1] = HIDPP_FF_EFFECT_SPRING | HIDPP_FF_EFFECT_AUTOSTART, + }; + int ret; + + /* initialize with zero autocenter to get wheel in usable state */ + + dbg_hid("Setting autocenter to 0.\n"); + ret = hidpp_send_fap_command_sync(hidpp, data->feature_index, + HIDPP_FF_DOWNLOAD_EFFECT, + params, ARRAY_SIZE(params), + &response); + if (ret) + hid_warn(hidpp->hid_dev, "Failed to autocenter device!\n"); + else + data->slot_autocenter = response.fap.params[0]; + + return ret; +} + +static int g920_get_config(struct hidpp_device *hidpp, + struct hidpp_ff_private_data *data) +{ + struct hidpp_report response; u8 feature_type; - u8 feature_index; int ret; + memset(data, 0, sizeof(*data)); + /* Find feature and store for later use */ ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_G920_FORCE_FEEDBACK, - &feature_index, &feature_type); + &data->feature_index, &feature_type); if (ret) return ret; - ret = hidpp_ff_init(hidpp, feature_index); + /* Read number of slots available in device */ + ret = hidpp_send_fap_command_sync(hidpp, data->feature_index, + HIDPP_FF_GET_INFO, + NULL, 0, + &response); + if (ret) { + if (ret < 0) + return ret; + hid_err(hidpp->hid_dev, + "%s: received protocol error 0x%02x\n", __func__, ret); + return -EPROTO; + } + + data->num_effects = response.fap.params[0] - HIDPP_FF_RESERVED_SLOTS; + + /* reset all forces */ + ret = hidpp_send_fap_command_sync(hidpp, data->feature_index, + HIDPP_FF_RESET_ALL, + NULL, 0, + &response); if (ret) - hid_warn(hidpp->hid_dev, "Unable to initialize force feedback support, errno %d\n", - ret); + hid_warn(hidpp->hid_dev, "Failed to reset all forces!\n"); - return 0; + ret = hidpp_send_fap_command_sync(hidpp, data->feature_index, + HIDPP_FF_GET_APERTURE, + NULL, 0, + &response); + if (ret) { + hid_warn(hidpp->hid_dev, + "Failed to read range from device!\n"); + } + data->range = ret ? + 900 : get_unaligned_be16(&response.fap.params[0]); + + /* Read the current gain values */ + ret = hidpp_send_fap_command_sync(hidpp, data->feature_index, + HIDPP_FF_GET_GLOBAL_GAINS, + NULL, 0, + &response); + if (ret) + hid_warn(hidpp->hid_dev, + "Failed to read gain values from device!\n"); + data->gain = ret ? + 0xffff : get_unaligned_be16(&response.fap.params[0]); + + /* ignore boost value at response.fap.params[2] */ + + return g920_ff_set_autocenter(hidpp, data); } /* -------------------------------------------------------------------------- */ @@ -3458,34 +3478,45 @@ static int hidpp_get_report_length(struct hid_device *hdev, int id) return report->field[0]->report_count + 1; } -static bool hidpp_validate_report(struct hid_device *hdev, int id, - int expected_length, bool optional) +static bool hidpp_validate_device(struct hid_device *hdev) { - int report_length; + struct hidpp_device *hidpp = hid_get_drvdata(hdev); + int id, report_length, supported_reports = 0; - if (id >= HID_MAX_IDS || id < 0) { - hid_err(hdev, "invalid HID report id %u\n", id); - return false; + id = REPORT_ID_HIDPP_SHORT; + report_length = hidpp_get_report_length(hdev, id); + if (report_length) { + if (report_length < HIDPP_REPORT_SHORT_LENGTH) + goto bad_device; + + supported_reports++; } + id = REPORT_ID_HIDPP_LONG; report_length = hidpp_get_report_length(hdev, id); - if (!report_length) - return optional; + if (report_length) { + if (report_length < HIDPP_REPORT_LONG_LENGTH) + goto bad_device; - if (report_length < expected_length) { - hid_warn(hdev, "not enough values in hidpp report %d\n", id); - return false; + supported_reports++; } - return true; -} + id = REPORT_ID_HIDPP_VERY_LONG; + report_length = hidpp_get_report_length(hdev, id); + if (report_length) { + if (report_length < HIDPP_REPORT_LONG_LENGTH || + report_length > HIDPP_REPORT_VERY_LONG_MAX_LENGTH) + goto bad_device; -static bool hidpp_validate_device(struct hid_device *hdev) -{ - return hidpp_validate_report(hdev, REPORT_ID_HIDPP_SHORT, - HIDPP_REPORT_SHORT_LENGTH, false) && - hidpp_validate_report(hdev, REPORT_ID_HIDPP_LONG, - HIDPP_REPORT_LONG_LENGTH, true); + supported_reports++; + hidpp->very_long_report_length = report_length; + } + + return supported_reports; + +bad_device: + hid_warn(hdev, "not enough values in hidpp report %d\n", id); + return false; } static bool hidpp_application_equals(struct hid_device *hdev, @@ -3505,6 +3536,7 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id) int ret; bool connected; unsigned int connect_mask = HID_CONNECT_DEFAULT; + struct hidpp_ff_private_data data; /* report_fixup needs drvdata to be set before we call hid_parse */ hidpp = devm_kzalloc(&hdev->dev, sizeof(*hidpp), GFP_KERNEL); @@ -3531,11 +3563,6 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id) return hid_hw_start(hdev, HID_CONNECT_DEFAULT); } - hidpp->very_long_report_length = - hidpp_get_report_length(hdev, REPORT_ID_HIDPP_VERY_LONG); - if (hidpp->very_long_report_length > HIDPP_REPORT_VERY_LONG_MAX_LENGTH) - hidpp->very_long_report_length = HIDPP_REPORT_VERY_LONG_MAX_LENGTH; - if (id->group == HID_GROUP_LOGITECH_DJ_DEVICE) hidpp->quirks |= HIDPP_QUIRK_UNIFYING; @@ -3614,7 +3641,7 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id) if (ret) goto hid_hw_init_fail; } else if (connected && (hidpp->quirks & HIDPP_QUIRK_CLASS_G920)) { - ret = g920_get_config(hidpp); + ret = g920_get_config(hidpp, &data); if (ret) goto hid_hw_init_fail; } @@ -3636,6 +3663,14 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id) goto hid_hw_start_fail; } + if (hidpp->quirks & HIDPP_QUIRK_CLASS_G920) { + ret = hidpp_ff_init(hidpp, &data); + if (ret) + hid_warn(hidpp->hid_dev, + "Unable to initialize force feedback support, errno %d\n", + ret); + } + return ret; hid_hw_init_fail: @@ -3658,9 +3693,6 @@ static void hidpp_remove(struct hid_device *hdev) sysfs_remove_group(&hdev->dev.kobj, &ps_attribute_group); - if (hidpp->quirks & HIDPP_QUIRK_CLASS_G920) - hidpp_ff_deinit(hdev); - hid_hw_stop(hdev); cancel_work_sync(&hidpp->work); mutex_destroy(&hidpp->send_mutex); diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c index 2cf83856f2e4..2d8b589201a4 100644 --- a/drivers/hid/hid-microsoft.c +++ b/drivers/hid/hid-microsoft.c @@ -328,11 +328,17 @@ static int ms_play_effect(struct input_dev *dev, void *data, static int ms_init_ff(struct hid_device *hdev) { - struct hid_input *hidinput = list_entry(hdev->inputs.next, - struct hid_input, list); - struct input_dev *input_dev = hidinput->input; + struct hid_input *hidinput; + struct input_dev *input_dev; struct ms_data *ms = hid_get_drvdata(hdev); + if (list_empty(&hdev->inputs)) { + hid_err(hdev, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hdev->inputs.next, struct hid_input, list); + input_dev = hidinput->input; + if (!(ms->quirks & MS_QUIRK_FF)) return 0; diff --git a/drivers/hid/hid-prodikeys.c b/drivers/hid/hid-prodikeys.c index 5a3b3d974d84..2666af02d5c1 100644 --- a/drivers/hid/hid-prodikeys.c +++ b/drivers/hid/hid-prodikeys.c @@ -516,7 +516,7 @@ static void pcmidi_setup_extra_keys( MY PICTURES => KEY_WORDPROCESSOR MY MUSIC=> KEY_SPREADSHEET */ - unsigned int keys[] = { + static const unsigned int keys[] = { KEY_FN, KEY_MESSENGER, KEY_CALENDAR, KEY_ADDRESSBOOK, KEY_DOCUMENTS, @@ -532,7 +532,7 @@ static void pcmidi_setup_extra_keys( 0 }; - unsigned int *pkeys = &keys[0]; + const unsigned int *pkeys = &keys[0]; unsigned short i; if (pm->ifnum != 1) /* only set up ONCE for interace 1 */ diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index 73c0f7a95e2d..4c6ed6ef31f1 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -2254,9 +2254,15 @@ static int sony_play_effect(struct input_dev *dev, void *data, static int sony_init_ff(struct sony_sc *sc) { - struct hid_input *hidinput = list_entry(sc->hdev->inputs.next, - struct hid_input, list); - struct input_dev *input_dev = hidinput->input; + struct hid_input *hidinput; + struct input_dev *input_dev; + + if (list_empty(&sc->hdev->inputs)) { + hid_err(sc->hdev, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(sc->hdev->inputs.next, struct hid_input, list); + input_dev = hidinput->input; input_set_capability(input_dev, EV_FF, FF_RUMBLE); return input_ff_create_memless(input_dev, NULL, sony_play_effect); diff --git a/drivers/hid/hid-tmff.c b/drivers/hid/hid-tmff.c index bdfc5ff3b2c5..90acef304536 100644 --- a/drivers/hid/hid-tmff.c +++ b/drivers/hid/hid-tmff.c @@ -124,12 +124,18 @@ static int tmff_init(struct hid_device *hid, const signed short *ff_bits) struct tmff_device *tmff; struct hid_report *report; struct list_head *report_list; - struct hid_input *hidinput = list_entry(hid->inputs.next, - struct hid_input, list); - struct input_dev *input_dev = hidinput->input; + struct hid_input *hidinput; + struct input_dev *input_dev; int error; int i; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + input_dev = hidinput->input; + tmff = kzalloc(sizeof(struct tmff_device), GFP_KERNEL); if (!tmff) return -ENOMEM; diff --git a/drivers/hid/hid-zpff.c b/drivers/hid/hid-zpff.c index f90959e94028..3abaca045869 100644 --- a/drivers/hid/hid-zpff.c +++ b/drivers/hid/hid-zpff.c @@ -54,11 +54,17 @@ static int zpff_init(struct hid_device *hid) { struct zpff_device *zpff; struct hid_report *report; - struct hid_input *hidinput = list_entry(hid->inputs.next, - struct hid_input, list); - struct input_dev *dev = hidinput->input; + struct hid_input *hidinput; + struct input_dev *dev; int i, error; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + for (i = 0; i < 4; i++) { report = hid_validate_values(hid, HID_OUTPUT_REPORT, 0, i, 1); if (!report) diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c index 2a7c6e33bb1c..04c088131e04 100644 --- a/drivers/hid/i2c-hid/i2c-hid-core.c +++ b/drivers/hid/i2c-hid/i2c-hid-core.c @@ -26,7 +26,6 @@ #include <linux/delay.h> #include <linux/slab.h> #include <linux/pm.h> -#include <linux/pm_runtime.h> #include <linux/device.h> #include <linux/wait.h> #include <linux/err.h> @@ -48,8 +47,6 @@ /* quirks to control the device */ #define I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV BIT(0) #define I2C_HID_QUIRK_NO_IRQ_AFTER_RESET BIT(1) -#define I2C_HID_QUIRK_NO_RUNTIME_PM BIT(2) -#define I2C_HID_QUIRK_DELAY_AFTER_SLEEP BIT(3) #define I2C_HID_QUIRK_BOGUS_IRQ BIT(4) /* flags */ @@ -172,14 +169,7 @@ static const struct i2c_hid_quirks { { USB_VENDOR_ID_WEIDA, HID_ANY_ID, I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV }, { I2C_VENDOR_ID_HANTICK, I2C_PRODUCT_ID_HANTICK_5288, - I2C_HID_QUIRK_NO_IRQ_AFTER_RESET | - I2C_HID_QUIRK_NO_RUNTIME_PM }, - { I2C_VENDOR_ID_RAYDIUM, I2C_PRODUCT_ID_RAYDIUM_4B33, - I2C_HID_QUIRK_DELAY_AFTER_SLEEP }, - { USB_VENDOR_ID_LG, I2C_DEVICE_ID_LG_8001, - I2C_HID_QUIRK_NO_RUNTIME_PM }, - { I2C_VENDOR_ID_GOODIX, I2C_DEVICE_ID_GOODIX_01F0, - I2C_HID_QUIRK_NO_RUNTIME_PM }, + I2C_HID_QUIRK_NO_IRQ_AFTER_RESET }, { USB_VENDOR_ID_ELAN, HID_ANY_ID, I2C_HID_QUIRK_BOGUS_IRQ }, { 0, 0 } @@ -397,7 +387,6 @@ static int i2c_hid_set_power(struct i2c_client *client, int power_state) { struct i2c_hid *ihid = i2c_get_clientdata(client); int ret; - unsigned long now, delay; i2c_hid_dbg(ihid, "%s\n", __func__); @@ -415,22 +404,9 @@ static int i2c_hid_set_power(struct i2c_client *client, int power_state) goto set_pwr_exit; } - if (ihid->quirks & I2C_HID_QUIRK_DELAY_AFTER_SLEEP && - power_state == I2C_HID_PWR_ON) { - now = jiffies; - if (time_after(ihid->sleep_delay, now)) { - delay = jiffies_to_usecs(ihid->sleep_delay - now); - usleep_range(delay, delay + 1); - } - } - ret = __i2c_hid_command(client, &hid_set_power_cmd, power_state, 0, NULL, 0, NULL, 0); - if (ihid->quirks & I2C_HID_QUIRK_DELAY_AFTER_SLEEP && - power_state == I2C_HID_PWR_SLEEP) - ihid->sleep_delay = jiffies + msecs_to_jiffies(20); - if (ret) dev_err(&client->dev, "failed to change power setting.\n"); @@ -471,8 +447,12 @@ static int i2c_hid_hwreset(struct i2c_client *client) if (ret) { dev_err(&client->dev, "failed to reset device.\n"); i2c_hid_set_power(client, I2C_HID_PWR_SLEEP); + goto out_unlock; } + /* At least some SIS devices need this after reset */ + ret = i2c_hid_set_power(client, I2C_HID_PWR_ON); + out_unlock: mutex_unlock(&ihid->reset_lock); return ret; @@ -791,11 +771,6 @@ static int i2c_hid_open(struct hid_device *hid) { struct i2c_client *client = hid->driver_data; struct i2c_hid *ihid = i2c_get_clientdata(client); - int ret = 0; - - ret = pm_runtime_get_sync(&client->dev); - if (ret < 0) - return ret; set_bit(I2C_HID_STARTED, &ihid->flags); return 0; @@ -807,27 +782,6 @@ static void i2c_hid_close(struct hid_device *hid) struct i2c_hid *ihid = i2c_get_clientdata(client); clear_bit(I2C_HID_STARTED, &ihid->flags); - - /* Save some power */ - pm_runtime_put(&client->dev); -} - -static int i2c_hid_power(struct hid_device *hid, int lvl) -{ - struct i2c_client *client = hid->driver_data; - struct i2c_hid *ihid = i2c_get_clientdata(client); - - i2c_hid_dbg(ihid, "%s lvl:%d\n", __func__, lvl); - - switch (lvl) { - case PM_HINT_FULLON: - pm_runtime_get_sync(&client->dev); - break; - case PM_HINT_NORMAL: - pm_runtime_put(&client->dev); - break; - } - return 0; } struct hid_ll_driver i2c_hid_ll_driver = { @@ -836,7 +790,6 @@ struct hid_ll_driver i2c_hid_ll_driver = { .stop = i2c_hid_stop, .open = i2c_hid_open, .close = i2c_hid_close, - .power = i2c_hid_power, .output_report = i2c_hid_output_report, .raw_request = i2c_hid_raw_request, }; @@ -1104,9 +1057,6 @@ static int i2c_hid_probe(struct i2c_client *client, i2c_hid_acpi_fix_up_power(&client->dev); - pm_runtime_get_noresume(&client->dev); - pm_runtime_set_active(&client->dev); - pm_runtime_enable(&client->dev); device_enable_async_suspend(&client->dev); /* Make sure there is something at this address */ @@ -1114,16 +1064,16 @@ static int i2c_hid_probe(struct i2c_client *client, if (ret < 0) { dev_dbg(&client->dev, "nothing at this address: %d\n", ret); ret = -ENXIO; - goto err_pm; + goto err_regulator; } ret = i2c_hid_fetch_hid_descriptor(ihid); if (ret < 0) - goto err_pm; + goto err_regulator; ret = i2c_hid_init_irq(client); if (ret < 0) - goto err_pm; + goto err_regulator; hid = hid_allocate_device(); if (IS_ERR(hid)) { @@ -1154,9 +1104,6 @@ static int i2c_hid_probe(struct i2c_client *client, goto err_mem_free; } - if (!(ihid->quirks & I2C_HID_QUIRK_NO_RUNTIME_PM)) - pm_runtime_put(&client->dev); - return 0; err_mem_free: @@ -1165,10 +1112,6 @@ err_mem_free: err_irq: free_irq(client->irq, ihid); -err_pm: - pm_runtime_put_noidle(&client->dev); - pm_runtime_disable(&client->dev); - err_regulator: regulator_bulk_disable(ARRAY_SIZE(ihid->pdata.supplies), ihid->pdata.supplies); @@ -1181,12 +1124,6 @@ static int i2c_hid_remove(struct i2c_client *client) struct i2c_hid *ihid = i2c_get_clientdata(client); struct hid_device *hid; - if (!(ihid->quirks & I2C_HID_QUIRK_NO_RUNTIME_PM)) - pm_runtime_get_sync(&client->dev); - pm_runtime_disable(&client->dev); - pm_runtime_set_suspended(&client->dev); - pm_runtime_put_noidle(&client->dev); - hid = ihid->hid; hid_destroy_device(hid); @@ -1219,25 +1156,15 @@ static int i2c_hid_suspend(struct device *dev) int wake_status; if (hid->driver && hid->driver->suspend) { - /* - * Wake up the device so that IO issues in - * HID driver's suspend code can succeed. - */ - ret = pm_runtime_resume(dev); - if (ret < 0) - return ret; - ret = hid->driver->suspend(hid, PMSG_SUSPEND); if (ret < 0) return ret; } - if (!pm_runtime_suspended(dev)) { - /* Save some power */ - i2c_hid_set_power(client, I2C_HID_PWR_SLEEP); + /* Save some power */ + i2c_hid_set_power(client, I2C_HID_PWR_SLEEP); - disable_irq(client->irq); - } + disable_irq(client->irq); if (device_may_wakeup(&client->dev)) { wake_status = enable_irq_wake(client->irq); @@ -1279,11 +1206,6 @@ static int i2c_hid_resume(struct device *dev) wake_status); } - /* We'll resume to full power */ - pm_runtime_disable(dev); - pm_runtime_set_active(dev); - pm_runtime_enable(dev); - enable_irq(client->irq); /* Instead of resetting device, simply powers the device on. This @@ -1304,30 +1226,8 @@ static int i2c_hid_resume(struct device *dev) } #endif -#ifdef CONFIG_PM -static int i2c_hid_runtime_suspend(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - - i2c_hid_set_power(client, I2C_HID_PWR_SLEEP); - disable_irq(client->irq); - return 0; -} - -static int i2c_hid_runtime_resume(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - - enable_irq(client->irq); - i2c_hid_set_power(client, I2C_HID_PWR_ON); - return 0; -} -#endif - static const struct dev_pm_ops i2c_hid_pm = { SET_SYSTEM_SLEEP_PM_OPS(i2c_hid_suspend, i2c_hid_resume) - SET_RUNTIME_PM_OPS(i2c_hid_runtime_suspend, i2c_hid_runtime_resume, - NULL) }; static const struct i2c_device_id i2c_hid_id_table[] = { diff --git a/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c b/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c index 75078c83be1a..d31ea82b84c1 100644 --- a/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c +++ b/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c @@ -323,6 +323,25 @@ static const struct dmi_system_id i2c_hid_dmi_desc_override_table[] = { .driver_data = (void *)&sipodev_desc }, { + /* + * There are at least 2 Primebook C11B versions, the older + * version has a product-name of "Primebook C11B", and a + * bios version / release / firmware revision of: + * V2.1.2 / 05/03/2018 / 18.2 + * The new version has "PRIMEBOOK C11B" as product-name and a + * bios version / release / firmware revision of: + * CFALKSW05_BIOS_V1.1.2 / 11/19/2018 / 19.2 + * Only the older version needs this quirk, note the newer + * version will not match as it has a different product-name. + */ + .ident = "Trekstor Primebook C11B", + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TREKSTOR"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Primebook C11B"), + }, + .driver_data = (void *)&sipodev_desc + }, + { .ident = "Direkt-Tek DTLAPY116-2", .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Direkt-Tek"), diff --git a/drivers/hid/intel-ish-hid/ishtp/client-buffers.c b/drivers/hid/intel-ish-hid/ishtp/client-buffers.c index 1b0a0cc605e7..513d7a4a1b8a 100644 --- a/drivers/hid/intel-ish-hid/ishtp/client-buffers.c +++ b/drivers/hid/intel-ish-hid/ishtp/client-buffers.c @@ -84,7 +84,7 @@ int ishtp_cl_alloc_tx_ring(struct ishtp_cl *cl) return 0; out: dev_err(&cl->device->dev, "error in allocating Tx pool\n"); - ishtp_cl_free_rx_ring(cl); + ishtp_cl_free_tx_ring(cl); return -ENOMEM; } diff --git a/drivers/hid/wacom.h b/drivers/hid/wacom.h index 4a7f8d363220..203d27d198b8 100644 --- a/drivers/hid/wacom.h +++ b/drivers/hid/wacom.h @@ -202,6 +202,21 @@ static inline void wacom_schedule_work(struct wacom_wac *wacom_wac, } } +/* + * Convert a signed 32-bit integer to an unsigned n-bit integer. Undoes + * the normally-helpful work of 'hid_snto32' for fields that use signed + * ranges for questionable reasons. + */ +static inline __u32 wacom_s32tou(s32 value, __u8 n) +{ + switch (n) { + case 8: return ((__u8)value); + case 16: return ((__u16)value); + case 32: return ((__u32)value); + } + return value & (1 << (n - 1)) ? value & (~(~0U << n)) : value; +} + extern const struct hid_device_id wacom_ids[]; void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len); diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 2b0a5b8ca6e6..ccb74529bc78 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -2303,7 +2303,7 @@ static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field case HID_DG_TOOLSERIALNUMBER: if (value) { wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL); - wacom_wac->serial[0] |= (__u32)value; + wacom_wac->serial[0] |= wacom_s32tou(value, field->report_size); } return; case HID_DG_TWIST: @@ -2319,15 +2319,17 @@ static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field return; case WACOM_HID_WD_SERIALHI: if (value) { + __u32 raw_value = wacom_s32tou(value, field->report_size); + wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF); - wacom_wac->serial[0] |= ((__u64)value) << 32; + wacom_wac->serial[0] |= ((__u64)raw_value) << 32; /* * Non-USI EMR devices may contain additional tool type * information here. See WACOM_HID_WD_TOOLTYPE case for * more details. */ if (value >> 20 == 1) { - wacom_wac->id[0] |= value & 0xFFFFF; + wacom_wac->id[0] |= raw_value & 0xFFFFF; } } return; @@ -2339,7 +2341,7 @@ static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field * bitwise OR so the complete value can be built * up over time :( */ - wacom_wac->id[0] |= value; + wacom_wac->id[0] |= wacom_s32tou(value, field->report_size); return; case WACOM_HID_WD_OFFSETLEFT: if (features->offset_left && value != features->offset_left) diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 391f0b225c9a..53a60c81e220 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -912,6 +912,7 @@ static void vmbus_shutdown(struct device *child_device) drv->shutdown(dev); } +#ifdef CONFIG_PM_SLEEP /* * vmbus_suspend - Suspend a vmbus device */ @@ -949,6 +950,7 @@ static int vmbus_resume(struct device *child_device) return drv->resume(dev); } +#endif /* CONFIG_PM_SLEEP */ /* * vmbus_device_release - Final callback release of the vmbus child device @@ -1070,6 +1072,7 @@ msg_handled: vmbus_signal_eom(msg, message_type); } +#ifdef CONFIG_PM_SLEEP /* * Fake RESCIND_CHANNEL messages to clean up hv_sock channels by force for * hibernation, because hv_sock connections can not persist across hibernation. @@ -1105,6 +1108,7 @@ static void vmbus_force_channel_rescinded(struct vmbus_channel *channel) vmbus_connection.work_queue, &ctx->work); } +#endif /* CONFIG_PM_SLEEP */ /* * Direct callback for channels using other deferred processing @@ -2125,6 +2129,7 @@ acpi_walk_err: return ret_val; } +#ifdef CONFIG_PM_SLEEP static int vmbus_bus_suspend(struct device *dev) { struct vmbus_channel *channel, *sc; @@ -2247,6 +2252,7 @@ static int vmbus_bus_resume(struct device *dev) return 0; } +#endif /* CONFIG_PM_SLEEP */ static const struct acpi_device_id vmbus_acpi_device_ids[] = { {"VMBUS", 0}, diff --git a/drivers/hwmon/ina3221.c b/drivers/hwmon/ina3221.c index 0037e2bdacd6..8a51dcf055ea 100644 --- a/drivers/hwmon/ina3221.c +++ b/drivers/hwmon/ina3221.c @@ -170,7 +170,7 @@ static inline int ina3221_wait_for_data(struct ina3221_data *ina) /* Polling the CVRF bit to make sure read data is ready */ return regmap_field_read_poll_timeout(ina->fields[F_CVRF], - cvrf, cvrf, wait, 100000); + cvrf, cvrf, wait, wait * 2); } static int ina3221_read_value(struct ina3221_data *ina, unsigned int reg, diff --git a/drivers/hwmon/nct7904.c b/drivers/hwmon/nct7904.c index 95b447cfa24c..281c81edabc6 100644 --- a/drivers/hwmon/nct7904.c +++ b/drivers/hwmon/nct7904.c @@ -82,6 +82,10 @@ #define FANCTL1_FMR_REG 0x00 /* Bank 3; 1 reg per channel */ #define FANCTL1_OUT_REG 0x10 /* Bank 3; 1 reg per channel */ +#define VOLT_MONITOR_MODE 0x0 +#define THERMAL_DIODE_MODE 0x1 +#define THERMISTOR_MODE 0x3 + #define ENABLE_TSI BIT(1) static const unsigned short normal_i2c[] = { @@ -99,6 +103,8 @@ struct nct7904_data { u8 enable_dts; u8 has_dts; u8 temp_mode; /* 0: TR mode, 1: TD mode */ + u8 fan_alarm[2]; + u8 vsen_alarm[3]; }; /* Access functions */ @@ -214,7 +220,15 @@ static int nct7904_read_fan(struct device *dev, u32 attr, int channel, SMI_STS5_REG + (channel >> 3)); if (ret < 0) return ret; - *val = (ret >> (channel & 0x07)) & 1; + if (!data->fan_alarm[channel >> 3]) + data->fan_alarm[channel >> 3] = ret & 0xff; + else + /* If there is new alarm showing up */ + data->fan_alarm[channel >> 3] |= (ret & 0xff); + *val = (data->fan_alarm[channel >> 3] >> (channel & 0x07)) & 1; + /* Needs to clean the alarm if alarm existing */ + if (*val) + data->fan_alarm[channel >> 3] ^= 1 << (channel & 0x07); return 0; default: return -EOPNOTSUPP; @@ -298,7 +312,15 @@ static int nct7904_read_in(struct device *dev, u32 attr, int channel, SMI_STS1_REG + (index >> 3)); if (ret < 0) return ret; - *val = (ret >> (index & 0x07)) & 1; + if (!data->vsen_alarm[index >> 3]) + data->vsen_alarm[index >> 3] = ret & 0xff; + else + /* If there is new alarm showing up */ + data->vsen_alarm[index >> 3] |= (ret & 0xff); + *val = (data->vsen_alarm[index >> 3] >> (index & 0x07)) & 1; + /* Needs to clean the alarm if alarm existing */ + if (*val) + data->vsen_alarm[index >> 3] ^= 1 << (index & 0x07); return 0; default: return -EOPNOTSUPP; @@ -915,12 +937,20 @@ static int nct7904_probe(struct i2c_client *client, data->temp_mode = 0; for (i = 0; i < 4; i++) { - val = (ret & (0x03 << i)) >> (i * 2); + val = (ret >> (i * 2)) & 0x03; bit = (1 << i); - if (val == 0) + if (val == VOLT_MONITOR_MODE) { data->tcpu_mask &= ~bit; - else if (val == 0x1 || val == 0x2) + } else if (val == THERMAL_DIODE_MODE && i < 2) { data->temp_mode |= bit; + data->vsen_mask &= ~(0x06 << (i * 2)); + } else if (val == THERMISTOR_MODE) { + data->vsen_mask &= ~(0x02 << (i * 2)); + } else { + /* Reserved */ + data->tcpu_mask &= ~bit; + data->vsen_mask &= ~(0x06 << (i * 2)); + } } /* PECI */ diff --git a/drivers/hwtracing/intel_th/gth.c b/drivers/hwtracing/intel_th/gth.c index fa9d34af87ac..f72803a02391 100644 --- a/drivers/hwtracing/intel_th/gth.c +++ b/drivers/hwtracing/intel_th/gth.c @@ -626,6 +626,9 @@ static void intel_th_gth_switch(struct intel_th_device *thdev, if (!count) dev_dbg(&thdev->dev, "timeout waiting for CTS Trigger\n"); + /* De-assert the trigger */ + iowrite32(0, gth->base + REG_CTS_CTL); + intel_th_gth_stop(gth, output, false); intel_th_gth_start(gth, output); } diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c index fc9f15f36ad4..6d240dfae9d9 100644 --- a/drivers/hwtracing/intel_th/msu.c +++ b/drivers/hwtracing/intel_th/msu.c @@ -164,7 +164,7 @@ struct msc { }; static LIST_HEAD(msu_buffer_list); -static struct mutex msu_buffer_mutex; +static DEFINE_MUTEX(msu_buffer_mutex); /** * struct msu_buffer_entry - internal MSU buffer bookkeeping @@ -327,7 +327,7 @@ static size_t msc_win_total_sz(struct msc_window *win) struct msc_block_desc *bdesc = sg_virt(sg); if (msc_block_wrapped(bdesc)) - return win->nr_blocks << PAGE_SHIFT; + return (size_t)win->nr_blocks << PAGE_SHIFT; size += msc_total_sz(bdesc); if (msc_block_last_written(bdesc)) @@ -1848,9 +1848,14 @@ mode_store(struct device *dev, struct device_attribute *attr, const char *buf, len = cp - buf; mode = kstrndup(buf, len, GFP_KERNEL); + if (!mode) + return -ENOMEM; + i = match_string(msc_mode, ARRAY_SIZE(msc_mode), mode); - if (i >= 0) + if (i >= 0) { + kfree(mode); goto found; + } /* Buffer sinks only work with a usable IRQ */ if (!msc->do_irq) { diff --git a/drivers/hwtracing/intel_th/pci.c b/drivers/hwtracing/intel_th/pci.c index 91dfeba62485..03ca5b1bef9f 100644 --- a/drivers/hwtracing/intel_th/pci.c +++ b/drivers/hwtracing/intel_th/pci.c @@ -200,6 +200,11 @@ static const struct pci_device_id intel_th_pci_id_table[] = { .driver_data = (kernel_ulong_t)&intel_th_2x, }, { + /* Comet Lake PCH */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x06a6), + .driver_data = (kernel_ulong_t)&intel_th_2x, + }, + { /* Ice Lake NNPI */ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x45c5), .driver_data = (kernel_ulong_t)&intel_th_2x, @@ -209,6 +214,11 @@ static const struct pci_device_id intel_th_pci_id_table[] = { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xa0a6), .driver_data = (kernel_ulong_t)&intel_th_2x, }, + { + /* Jasper Lake PCH */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x4da6), + .driver_data = (kernel_ulong_t)&intel_th_2x, + }, { 0 }, }; diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c index fa66951b05d0..7b098ff5f5dd 100644 --- a/drivers/i2c/busses/i2c-aspeed.c +++ b/drivers/i2c/busses/i2c-aspeed.c @@ -108,6 +108,12 @@ #define ASPEED_I2CD_S_TX_CMD BIT(2) #define ASPEED_I2CD_M_TX_CMD BIT(1) #define ASPEED_I2CD_M_START_CMD BIT(0) +#define ASPEED_I2CD_MASTER_CMDS_MASK \ + (ASPEED_I2CD_M_STOP_CMD | \ + ASPEED_I2CD_M_S_RX_CMD_LAST | \ + ASPEED_I2CD_M_RX_CMD | \ + ASPEED_I2CD_M_TX_CMD | \ + ASPEED_I2CD_M_START_CMD) /* 0x18 : I2CD Slave Device Address Register */ #define ASPEED_I2CD_DEV_ADDR_MASK GENMASK(6, 0) @@ -336,18 +342,19 @@ static void aspeed_i2c_do_start(struct aspeed_i2c_bus *bus) struct i2c_msg *msg = &bus->msgs[bus->msgs_index]; u8 slave_addr = i2c_8bit_addr_from_msg(msg); - bus->master_state = ASPEED_I2C_MASTER_START; - #if IS_ENABLED(CONFIG_I2C_SLAVE) /* * If it's requested in the middle of a slave session, set the master * state to 'pending' then H/W will continue handling this master * command when the bus comes back to the idle state. */ - if (bus->slave_state != ASPEED_I2C_SLAVE_INACTIVE) + if (bus->slave_state != ASPEED_I2C_SLAVE_INACTIVE) { bus->master_state = ASPEED_I2C_MASTER_PENDING; + return; + } #endif /* CONFIG_I2C_SLAVE */ + bus->master_state = ASPEED_I2C_MASTER_START; bus->buf_index = 0; if (msg->flags & I2C_M_RD) { @@ -422,20 +429,6 @@ static u32 aspeed_i2c_master_irq(struct aspeed_i2c_bus *bus, u32 irq_status) } } -#if IS_ENABLED(CONFIG_I2C_SLAVE) - /* - * A pending master command will be started by H/W when the bus comes - * back to idle state after completing a slave operation so change the - * master state from 'pending' to 'start' at here if slave is inactive. - */ - if (bus->master_state == ASPEED_I2C_MASTER_PENDING) { - if (bus->slave_state != ASPEED_I2C_SLAVE_INACTIVE) - goto out_no_complete; - - bus->master_state = ASPEED_I2C_MASTER_START; - } -#endif /* CONFIG_I2C_SLAVE */ - /* Master is not currently active, irq was for someone else. */ if (bus->master_state == ASPEED_I2C_MASTER_INACTIVE || bus->master_state == ASPEED_I2C_MASTER_PENDING) @@ -462,11 +455,15 @@ static u32 aspeed_i2c_master_irq(struct aspeed_i2c_bus *bus, u32 irq_status) #if IS_ENABLED(CONFIG_I2C_SLAVE) /* * If a peer master starts a xfer immediately after it queues a - * master command, change its state to 'pending' then H/W will - * continue the queued master xfer just after completing the - * slave mode session. + * master command, clear the queued master command and change + * its state to 'pending'. To simplify handling of pending + * cases, it uses S/W solution instead of H/W command queue + * handling. */ if (unlikely(irq_status & ASPEED_I2CD_INTR_SLAVE_MATCH)) { + writel(readl(bus->base + ASPEED_I2C_CMD_REG) & + ~ASPEED_I2CD_MASTER_CMDS_MASK, + bus->base + ASPEED_I2C_CMD_REG); bus->master_state = ASPEED_I2C_MASTER_PENDING; dev_dbg(bus->dev, "master goes pending due to a slave start\n"); @@ -629,6 +626,14 @@ static irqreturn_t aspeed_i2c_bus_irq(int irq, void *dev_id) irq_handled |= aspeed_i2c_master_irq(bus, irq_remaining); } + + /* + * Start a pending master command at here if a slave operation is + * completed. + */ + if (bus->master_state == ASPEED_I2C_MASTER_PENDING && + bus->slave_state == ASPEED_I2C_SLAVE_INACTIVE) + aspeed_i2c_do_start(bus); #else irq_handled = aspeed_i2c_master_irq(bus, irq_remaining); #endif /* CONFIG_I2C_SLAVE */ @@ -691,6 +696,15 @@ static int aspeed_i2c_master_xfer(struct i2c_adapter *adap, ASPEED_I2CD_BUS_BUSY_STS)) aspeed_i2c_recover_bus(bus); + /* + * If timed out and the state is still pending, drop the pending + * master command. + */ + spin_lock_irqsave(&bus->lock, flags); + if (bus->master_state == ASPEED_I2C_MASTER_PENDING) + bus->master_state = ASPEED_I2C_MASTER_INACTIVE; + spin_unlock_irqrestore(&bus->lock, flags); + return -ETIMEDOUT; } diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c index 29eae1bf4f86..2152ec5f535c 100644 --- a/drivers/i2c/busses/i2c-mt65xx.c +++ b/drivers/i2c/busses/i2c-mt65xx.c @@ -875,7 +875,7 @@ static irqreturn_t mtk_i2c_irq(int irqno, void *dev_id) static u32 mtk_i2c_functionality(struct i2c_adapter *adap) { - if (adap->quirks->flags & I2C_AQ_NO_ZERO_LEN) + if (i2c_check_quirks(adap, I2C_AQ_NO_ZERO_LEN)) return I2C_FUNC_I2C | (I2C_FUNC_SMBUS_EMUL & ~I2C_FUNC_SMBUS_QUICK); else diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c index d36cf08461f7..b24e7b937f21 100644 --- a/drivers/i2c/busses/i2c-stm32f7.c +++ b/drivers/i2c/busses/i2c-stm32f7.c @@ -305,7 +305,7 @@ struct stm32f7_i2c_dev { struct regmap *regmap; }; -/** +/* * All these values are coming from I2C Specification, Version 6.0, 4th of * April 2014. * @@ -1192,6 +1192,8 @@ static void stm32f7_i2c_slave_start(struct stm32f7_i2c_dev *i2c_dev) STM32F7_I2C_CR1_TXIE; stm32f7_i2c_set_bits(base + STM32F7_I2C_CR1, mask); + /* Write 1st data byte */ + writel_relaxed(value, base + STM32F7_I2C_TXDR); } else { /* Notify i2c slave that new write transfer is starting */ i2c_slave_event(slave, I2C_SLAVE_WRITE_REQUESTED, &value); @@ -1501,7 +1503,7 @@ static irqreturn_t stm32f7_i2c_isr_error(int irq, void *data) void __iomem *base = i2c_dev->base; struct device *dev = i2c_dev->dev; struct stm32_i2c_dma *dma = i2c_dev->dma; - u32 mask, status; + u32 status; status = readl_relaxed(i2c_dev->base + STM32F7_I2C_ISR); @@ -1526,12 +1528,15 @@ static irqreturn_t stm32f7_i2c_isr_error(int irq, void *data) f7_msg->result = -EINVAL; } - /* Disable interrupts */ - if (stm32f7_i2c_is_slave_registered(i2c_dev)) - mask = STM32F7_I2C_XFER_IRQ_MASK; - else - mask = STM32F7_I2C_ALL_IRQ_MASK; - stm32f7_i2c_disable_irq(i2c_dev, mask); + if (!i2c_dev->slave_running) { + u32 mask; + /* Disable interrupts */ + if (stm32f7_i2c_is_slave_registered(i2c_dev)) + mask = STM32F7_I2C_XFER_IRQ_MASK; + else + mask = STM32F7_I2C_ALL_IRQ_MASK; + stm32f7_i2c_disable_irq(i2c_dev, mask); + } /* Disable dma */ if (i2c_dev->use_dma) { diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index 9cb2aa1e20ef..62a1c92ab803 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -39,6 +39,7 @@ struct i2c_acpi_lookup { int index; u32 speed; u32 min_speed; + u32 force_speed; }; /** @@ -285,6 +286,19 @@ i2c_acpi_match_device(const struct acpi_device_id *matches, return acpi_match_device(matches, &client->dev); } +static const struct acpi_device_id i2c_acpi_force_400khz_device_ids[] = { + /* + * These Silead touchscreen controllers only work at 400KHz, for + * some reason they do not work at 100KHz. On some devices the ACPI + * tables list another device at their bus as only being capable + * of 100KHz, testing has shown that these other devices work fine + * at 400KHz (as can be expected of any recent i2c hw) so we force + * the speed of the bus to 400 KHz if a Silead device is present. + */ + { "MSSL1680", 0 }, + {} +}; + static acpi_status i2c_acpi_lookup_speed(acpi_handle handle, u32 level, void *data, void **return_value) { @@ -303,6 +317,9 @@ static acpi_status i2c_acpi_lookup_speed(acpi_handle handle, u32 level, if (lookup->speed <= lookup->min_speed) lookup->min_speed = lookup->speed; + if (acpi_match_device_ids(adev, i2c_acpi_force_400khz_device_ids) == 0) + lookup->force_speed = 400000; + return AE_OK; } @@ -340,7 +357,16 @@ u32 i2c_acpi_find_bus_speed(struct device *dev) return 0; } - return lookup.min_speed != UINT_MAX ? lookup.min_speed : 0; + if (lookup.force_speed) { + if (lookup.force_speed != lookup.min_speed) + dev_warn(dev, FW_BUG "DSDT uses known not-working I2C bus speed %d, forcing it to %d\n", + lookup.min_speed, lookup.force_speed); + return lookup.force_speed; + } else if (lookup.min_speed != UINT_MAX) { + return lookup.min_speed; + } else { + return 0; + } } EXPORT_SYMBOL_GPL(i2c_acpi_find_bus_speed); diff --git a/drivers/i2c/i2c-core-of.c b/drivers/i2c/i2c-core-of.c index 6f632d543fcc..7eb41990bd6d 100644 --- a/drivers/i2c/i2c-core-of.c +++ b/drivers/i2c/i2c-core-of.c @@ -245,14 +245,14 @@ static int of_i2c_notify(struct notifier_block *nb, unsigned long action, } client = of_i2c_register_device(adap, rd->dn); - put_device(&adap->dev); - if (IS_ERR(client)) { dev_err(&adap->dev, "failed to create client for '%pOF'\n", rd->dn); + put_device(&adap->dev); of_node_clear_flag(rd->dn, OF_POPULATED); return notifier_from_errno(PTR_ERR(client)); } + put_device(&adap->dev); break; case OF_RECONFIG_CHANGE_REMOVE: /* already depopulated? */ diff --git a/drivers/iio/accel/adxl372.c b/drivers/iio/accel/adxl372.c index 055227cb3d43..67b8817995c0 100644 --- a/drivers/iio/accel/adxl372.c +++ b/drivers/iio/accel/adxl372.c @@ -474,12 +474,17 @@ static int adxl372_configure_fifo(struct adxl372_state *st) if (ret < 0) return ret; - fifo_samples = st->watermark & 0xFF; + /* + * watermark stores the number of sets; we need to write the FIFO + * registers with the number of samples + */ + fifo_samples = (st->watermark * st->fifo_set_size); fifo_ctl = ADXL372_FIFO_CTL_FORMAT_MODE(st->fifo_format) | ADXL372_FIFO_CTL_MODE_MODE(st->fifo_mode) | - ADXL372_FIFO_CTL_SAMPLES_MODE(st->watermark); + ADXL372_FIFO_CTL_SAMPLES_MODE(fifo_samples); - ret = regmap_write(st->regmap, ADXL372_FIFO_SAMPLES, fifo_samples); + ret = regmap_write(st->regmap, + ADXL372_FIFO_SAMPLES, fifo_samples & 0xFF); if (ret < 0) return ret; @@ -548,8 +553,7 @@ static irqreturn_t adxl372_trigger_handler(int irq, void *p) goto err; /* Each sample is 2 bytes */ - for (i = 0; i < fifo_entries * sizeof(u16); - i += st->fifo_set_size * sizeof(u16)) + for (i = 0; i < fifo_entries; i += st->fifo_set_size) iio_push_to_buffers(indio_dev, &st->fifo_buf[i]); } err: @@ -571,6 +575,14 @@ static int adxl372_setup(struct adxl372_state *st) return -ENODEV; } + /* + * Perform a software reset to make sure the device is in a consistent + * state after start up. + */ + ret = regmap_write(st->regmap, ADXL372_RESET, ADXL372_RESET_CODE); + if (ret < 0) + return ret; + ret = adxl372_set_op_mode(st, ADXL372_STANDBY); if (ret < 0) return ret; diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c index cf6c0e3a83d3..121b4e89f038 100644 --- a/drivers/iio/accel/bmc150-accel-core.c +++ b/drivers/iio/accel/bmc150-accel-core.c @@ -117,7 +117,7 @@ #define BMC150_ACCEL_SLEEP_1_SEC 0x0F #define BMC150_ACCEL_REG_TEMP 0x08 -#define BMC150_ACCEL_TEMP_CENTER_VAL 24 +#define BMC150_ACCEL_TEMP_CENTER_VAL 23 #define BMC150_ACCEL_AXIS_TO_REG(axis) (BMC150_ACCEL_REG_XOUT_L + (axis * 2)) #define BMC150_AUTO_SUSPEND_DELAY_MS 2000 diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c index 5a3ca5904ded..f658012baad8 100644 --- a/drivers/iio/adc/ad799x.c +++ b/drivers/iio/adc/ad799x.c @@ -810,10 +810,10 @@ static int ad799x_probe(struct i2c_client *client, ret = ad799x_write_config(st, st->chip_config->default_config); if (ret < 0) - goto error_disable_reg; + goto error_disable_vref; ret = ad799x_read_config(st); if (ret < 0) - goto error_disable_reg; + goto error_disable_vref; st->config = ret; ret = iio_triggered_buffer_setup(indio_dev, NULL, diff --git a/drivers/iio/adc/axp288_adc.c b/drivers/iio/adc/axp288_adc.c index adc9cf7a075d..8ea2aed6d6f5 100644 --- a/drivers/iio/adc/axp288_adc.c +++ b/drivers/iio/adc/axp288_adc.c @@ -7,6 +7,7 @@ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ +#include <linux/dmi.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/device.h> @@ -25,6 +26,11 @@ #define AXP288_ADC_EN_MASK 0xF0 #define AXP288_ADC_TS_ENABLE 0x01 +#define AXP288_ADC_TS_BIAS_MASK GENMASK(5, 4) +#define AXP288_ADC_TS_BIAS_20UA (0 << 4) +#define AXP288_ADC_TS_BIAS_40UA (1 << 4) +#define AXP288_ADC_TS_BIAS_60UA (2 << 4) +#define AXP288_ADC_TS_BIAS_80UA (3 << 4) #define AXP288_ADC_TS_CURRENT_ON_OFF_MASK GENMASK(1, 0) #define AXP288_ADC_TS_CURRENT_OFF (0 << 0) #define AXP288_ADC_TS_CURRENT_ON_WHEN_CHARGING (1 << 0) @@ -177,10 +183,36 @@ static int axp288_adc_read_raw(struct iio_dev *indio_dev, return ret; } +/* + * We rely on the machine's firmware to correctly setup the TS pin bias current + * at boot. This lists systems with broken fw where we need to set it ourselves. + */ +static const struct dmi_system_id axp288_adc_ts_bias_override[] = { + { + /* Lenovo Ideapad 100S (11 inch) */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad 100S-11IBY"), + }, + .driver_data = (void *)(uintptr_t)AXP288_ADC_TS_BIAS_80UA, + }, + {} +}; + static int axp288_adc_initialize(struct axp288_adc_info *info) { + const struct dmi_system_id *bias_override; int ret, adc_enable_val; + bias_override = dmi_first_match(axp288_adc_ts_bias_override); + if (bias_override) { + ret = regmap_update_bits(info->regmap, AXP288_ADC_TS_PIN_CTRL, + AXP288_ADC_TS_BIAS_MASK, + (uintptr_t)bias_override->driver_data); + if (ret) + return ret; + } + /* * Determine if the TS pin is enabled and set the TS current-source * accordingly. diff --git a/drivers/iio/adc/hx711.c b/drivers/iio/adc/hx711.c index 88c7fe15003b..62e6c8badd22 100644 --- a/drivers/iio/adc/hx711.c +++ b/drivers/iio/adc/hx711.c @@ -100,14 +100,14 @@ struct hx711_data { static int hx711_cycle(struct hx711_data *hx711_data) { - int val; + unsigned long flags; /* * if preempted for more then 60us while PD_SCK is high: * hx711 is going in reset * ==> measuring is false */ - preempt_disable(); + local_irq_save(flags); gpiod_set_value(hx711_data->gpiod_pd_sck, 1); /* @@ -117,7 +117,6 @@ static int hx711_cycle(struct hx711_data *hx711_data) */ ndelay(hx711_data->data_ready_delay_ns); - val = gpiod_get_value(hx711_data->gpiod_dout); /* * here we are not waiting for 0.2 us as suggested by the datasheet, * because the oscilloscope showed in a test scenario @@ -125,7 +124,7 @@ static int hx711_cycle(struct hx711_data *hx711_data) * and 0.56 us for PD_SCK low on TI Sitara with 800 MHz */ gpiod_set_value(hx711_data->gpiod_pd_sck, 0); - preempt_enable(); + local_irq_restore(flags); /* * make it a square wave for addressing cases with capacitance on @@ -133,7 +132,8 @@ static int hx711_cycle(struct hx711_data *hx711_data) */ ndelay(hx711_data->data_ready_delay_ns); - return val; + /* sample as late as possible */ + return gpiod_get_value(hx711_data->gpiod_dout); } static int hx711_read(struct hx711_data *hx711_data) diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c index 7b28d045d271..7b27306330a3 100644 --- a/drivers/iio/adc/meson_saradc.c +++ b/drivers/iio/adc/meson_saradc.c @@ -1219,6 +1219,11 @@ static int meson_sar_adc_probe(struct platform_device *pdev) if (IS_ERR(base)) return PTR_ERR(base); + priv->regmap = devm_regmap_init_mmio(&pdev->dev, base, + priv->param->regmap_config); + if (IS_ERR(priv->regmap)) + return PTR_ERR(priv->regmap); + irq = irq_of_parse_and_map(pdev->dev.of_node, 0); if (!irq) return -EINVAL; @@ -1228,11 +1233,6 @@ static int meson_sar_adc_probe(struct platform_device *pdev) if (ret) return ret; - priv->regmap = devm_regmap_init_mmio(&pdev->dev, base, - priv->param->regmap_config); - if (IS_ERR(priv->regmap)) - return PTR_ERR(priv->regmap); - priv->clkin = devm_clk_get(&pdev->dev, "clkin"); if (IS_ERR(priv->clkin)) { dev_err(&pdev->dev, "failed to get clkin\n"); diff --git a/drivers/iio/adc/stm32-adc-core.c b/drivers/iio/adc/stm32-adc-core.c index 9b85fefc0a96..93a096a91f8c 100644 --- a/drivers/iio/adc/stm32-adc-core.c +++ b/drivers/iio/adc/stm32-adc-core.c @@ -24,33 +24,6 @@ #include "stm32-adc-core.h" -/* STM32F4 - common registers for all ADC instances: 1, 2 & 3 */ -#define STM32F4_ADC_CSR (STM32_ADCX_COMN_OFFSET + 0x00) -#define STM32F4_ADC_CCR (STM32_ADCX_COMN_OFFSET + 0x04) - -/* STM32F4_ADC_CSR - bit fields */ -#define STM32F4_EOC3 BIT(17) -#define STM32F4_EOC2 BIT(9) -#define STM32F4_EOC1 BIT(1) - -/* STM32F4_ADC_CCR - bit fields */ -#define STM32F4_ADC_ADCPRE_SHIFT 16 -#define STM32F4_ADC_ADCPRE_MASK GENMASK(17, 16) - -/* STM32H7 - common registers for all ADC instances */ -#define STM32H7_ADC_CSR (STM32_ADCX_COMN_OFFSET + 0x00) -#define STM32H7_ADC_CCR (STM32_ADCX_COMN_OFFSET + 0x08) - -/* STM32H7_ADC_CSR - bit fields */ -#define STM32H7_EOC_SLV BIT(18) -#define STM32H7_EOC_MST BIT(2) - -/* STM32H7_ADC_CCR - bit fields */ -#define STM32H7_PRESC_SHIFT 18 -#define STM32H7_PRESC_MASK GENMASK(21, 18) -#define STM32H7_CKMODE_SHIFT 16 -#define STM32H7_CKMODE_MASK GENMASK(17, 16) - #define STM32_ADC_CORE_SLEEP_DELAY_MS 2000 /* SYSCFG registers */ @@ -71,6 +44,8 @@ * @eoc1: adc1 end of conversion flag in @csr * @eoc2: adc2 end of conversion flag in @csr * @eoc3: adc3 end of conversion flag in @csr + * @ier: interrupt enable register offset for each adc + * @eocie_msk: end of conversion interrupt enable mask in @ier */ struct stm32_adc_common_regs { u32 csr; @@ -78,6 +53,8 @@ struct stm32_adc_common_regs { u32 eoc1_msk; u32 eoc2_msk; u32 eoc3_msk; + u32 ier; + u32 eocie_msk; }; struct stm32_adc_priv; @@ -303,6 +280,8 @@ static const struct stm32_adc_common_regs stm32f4_adc_common_regs = { .eoc1_msk = STM32F4_EOC1, .eoc2_msk = STM32F4_EOC2, .eoc3_msk = STM32F4_EOC3, + .ier = STM32F4_ADC_CR1, + .eocie_msk = STM32F4_EOCIE, }; /* STM32H7 common registers definitions */ @@ -311,8 +290,24 @@ static const struct stm32_adc_common_regs stm32h7_adc_common_regs = { .ccr = STM32H7_ADC_CCR, .eoc1_msk = STM32H7_EOC_MST, .eoc2_msk = STM32H7_EOC_SLV, + .ier = STM32H7_ADC_IER, + .eocie_msk = STM32H7_EOCIE, +}; + +static const unsigned int stm32_adc_offset[STM32_ADC_MAX_ADCS] = { + 0, STM32_ADC_OFFSET, STM32_ADC_OFFSET * 2, }; +static unsigned int stm32_adc_eoc_enabled(struct stm32_adc_priv *priv, + unsigned int adc) +{ + u32 ier, offset = stm32_adc_offset[adc]; + + ier = readl_relaxed(priv->common.base + offset + priv->cfg->regs->ier); + + return ier & priv->cfg->regs->eocie_msk; +} + /* ADC common interrupt for all instances */ static void stm32_adc_irq_handler(struct irq_desc *desc) { @@ -323,13 +318,28 @@ static void stm32_adc_irq_handler(struct irq_desc *desc) chained_irq_enter(chip, desc); status = readl_relaxed(priv->common.base + priv->cfg->regs->csr); - if (status & priv->cfg->regs->eoc1_msk) + /* + * End of conversion may be handled by using IRQ or DMA. There may be a + * race here when two conversions complete at the same time on several + * ADCs. EOC may be read 'set' for several ADCs, with: + * - an ADC configured to use DMA (EOC triggers the DMA request, and + * is then automatically cleared by DR read in hardware) + * - an ADC configured to use IRQs (EOCIE bit is set. The handler must + * be called in this case) + * So both EOC status bit in CSR and EOCIE control bit must be checked + * before invoking the interrupt handler (e.g. call ISR only for + * IRQ-enabled ADCs). + */ + if (status & priv->cfg->regs->eoc1_msk && + stm32_adc_eoc_enabled(priv, 0)) generic_handle_irq(irq_find_mapping(priv->domain, 0)); - if (status & priv->cfg->regs->eoc2_msk) + if (status & priv->cfg->regs->eoc2_msk && + stm32_adc_eoc_enabled(priv, 1)) generic_handle_irq(irq_find_mapping(priv->domain, 1)); - if (status & priv->cfg->regs->eoc3_msk) + if (status & priv->cfg->regs->eoc3_msk && + stm32_adc_eoc_enabled(priv, 2)) generic_handle_irq(irq_find_mapping(priv->domain, 2)); chained_irq_exit(chip, desc); diff --git a/drivers/iio/adc/stm32-adc-core.h b/drivers/iio/adc/stm32-adc-core.h index 8af507b3f32d..2579d514c2a3 100644 --- a/drivers/iio/adc/stm32-adc-core.h +++ b/drivers/iio/adc/stm32-adc-core.h @@ -25,8 +25,145 @@ * -------------------------------------------------------- */ #define STM32_ADC_MAX_ADCS 3 +#define STM32_ADC_OFFSET 0x100 #define STM32_ADCX_COMN_OFFSET 0x300 +/* STM32F4 - Registers for each ADC instance */ +#define STM32F4_ADC_SR 0x00 +#define STM32F4_ADC_CR1 0x04 +#define STM32F4_ADC_CR2 0x08 +#define STM32F4_ADC_SMPR1 0x0C +#define STM32F4_ADC_SMPR2 0x10 +#define STM32F4_ADC_HTR 0x24 +#define STM32F4_ADC_LTR 0x28 +#define STM32F4_ADC_SQR1 0x2C +#define STM32F4_ADC_SQR2 0x30 +#define STM32F4_ADC_SQR3 0x34 +#define STM32F4_ADC_JSQR 0x38 +#define STM32F4_ADC_JDR1 0x3C +#define STM32F4_ADC_JDR2 0x40 +#define STM32F4_ADC_JDR3 0x44 +#define STM32F4_ADC_JDR4 0x48 +#define STM32F4_ADC_DR 0x4C + +/* STM32F4 - common registers for all ADC instances: 1, 2 & 3 */ +#define STM32F4_ADC_CSR (STM32_ADCX_COMN_OFFSET + 0x00) +#define STM32F4_ADC_CCR (STM32_ADCX_COMN_OFFSET + 0x04) + +/* STM32F4_ADC_SR - bit fields */ +#define STM32F4_STRT BIT(4) +#define STM32F4_EOC BIT(1) + +/* STM32F4_ADC_CR1 - bit fields */ +#define STM32F4_RES_SHIFT 24 +#define STM32F4_RES_MASK GENMASK(25, 24) +#define STM32F4_SCAN BIT(8) +#define STM32F4_EOCIE BIT(5) + +/* STM32F4_ADC_CR2 - bit fields */ +#define STM32F4_SWSTART BIT(30) +#define STM32F4_EXTEN_SHIFT 28 +#define STM32F4_EXTEN_MASK GENMASK(29, 28) +#define STM32F4_EXTSEL_SHIFT 24 +#define STM32F4_EXTSEL_MASK GENMASK(27, 24) +#define STM32F4_EOCS BIT(10) +#define STM32F4_DDS BIT(9) +#define STM32F4_DMA BIT(8) +#define STM32F4_ADON BIT(0) + +/* STM32F4_ADC_CSR - bit fields */ +#define STM32F4_EOC3 BIT(17) +#define STM32F4_EOC2 BIT(9) +#define STM32F4_EOC1 BIT(1) + +/* STM32F4_ADC_CCR - bit fields */ +#define STM32F4_ADC_ADCPRE_SHIFT 16 +#define STM32F4_ADC_ADCPRE_MASK GENMASK(17, 16) + +/* STM32H7 - Registers for each ADC instance */ +#define STM32H7_ADC_ISR 0x00 +#define STM32H7_ADC_IER 0x04 +#define STM32H7_ADC_CR 0x08 +#define STM32H7_ADC_CFGR 0x0C +#define STM32H7_ADC_SMPR1 0x14 +#define STM32H7_ADC_SMPR2 0x18 +#define STM32H7_ADC_PCSEL 0x1C +#define STM32H7_ADC_SQR1 0x30 +#define STM32H7_ADC_SQR2 0x34 +#define STM32H7_ADC_SQR3 0x38 +#define STM32H7_ADC_SQR4 0x3C +#define STM32H7_ADC_DR 0x40 +#define STM32H7_ADC_DIFSEL 0xC0 +#define STM32H7_ADC_CALFACT 0xC4 +#define STM32H7_ADC_CALFACT2 0xC8 + +/* STM32H7 - common registers for all ADC instances */ +#define STM32H7_ADC_CSR (STM32_ADCX_COMN_OFFSET + 0x00) +#define STM32H7_ADC_CCR (STM32_ADCX_COMN_OFFSET + 0x08) + +/* STM32H7_ADC_ISR - bit fields */ +#define STM32MP1_VREGREADY BIT(12) +#define STM32H7_EOC BIT(2) +#define STM32H7_ADRDY BIT(0) + +/* STM32H7_ADC_IER - bit fields */ +#define STM32H7_EOCIE STM32H7_EOC + +/* STM32H7_ADC_CR - bit fields */ +#define STM32H7_ADCAL BIT(31) +#define STM32H7_ADCALDIF BIT(30) +#define STM32H7_DEEPPWD BIT(29) +#define STM32H7_ADVREGEN BIT(28) +#define STM32H7_LINCALRDYW6 BIT(27) +#define STM32H7_LINCALRDYW5 BIT(26) +#define STM32H7_LINCALRDYW4 BIT(25) +#define STM32H7_LINCALRDYW3 BIT(24) +#define STM32H7_LINCALRDYW2 BIT(23) +#define STM32H7_LINCALRDYW1 BIT(22) +#define STM32H7_ADCALLIN BIT(16) +#define STM32H7_BOOST BIT(8) +#define STM32H7_ADSTP BIT(4) +#define STM32H7_ADSTART BIT(2) +#define STM32H7_ADDIS BIT(1) +#define STM32H7_ADEN BIT(0) + +/* STM32H7_ADC_CFGR bit fields */ +#define STM32H7_EXTEN_SHIFT 10 +#define STM32H7_EXTEN_MASK GENMASK(11, 10) +#define STM32H7_EXTSEL_SHIFT 5 +#define STM32H7_EXTSEL_MASK GENMASK(9, 5) +#define STM32H7_RES_SHIFT 2 +#define STM32H7_RES_MASK GENMASK(4, 2) +#define STM32H7_DMNGT_SHIFT 0 +#define STM32H7_DMNGT_MASK GENMASK(1, 0) + +enum stm32h7_adc_dmngt { + STM32H7_DMNGT_DR_ONLY, /* Regular data in DR only */ + STM32H7_DMNGT_DMA_ONESHOT, /* DMA one shot mode */ + STM32H7_DMNGT_DFSDM, /* DFSDM mode */ + STM32H7_DMNGT_DMA_CIRC, /* DMA circular mode */ +}; + +/* STM32H7_ADC_CALFACT - bit fields */ +#define STM32H7_CALFACT_D_SHIFT 16 +#define STM32H7_CALFACT_D_MASK GENMASK(26, 16) +#define STM32H7_CALFACT_S_SHIFT 0 +#define STM32H7_CALFACT_S_MASK GENMASK(10, 0) + +/* STM32H7_ADC_CALFACT2 - bit fields */ +#define STM32H7_LINCALFACT_SHIFT 0 +#define STM32H7_LINCALFACT_MASK GENMASK(29, 0) + +/* STM32H7_ADC_CSR - bit fields */ +#define STM32H7_EOC_SLV BIT(18) +#define STM32H7_EOC_MST BIT(2) + +/* STM32H7_ADC_CCR - bit fields */ +#define STM32H7_PRESC_SHIFT 18 +#define STM32H7_PRESC_MASK GENMASK(21, 18) +#define STM32H7_CKMODE_SHIFT 16 +#define STM32H7_CKMODE_MASK GENMASK(17, 16) + /** * struct stm32_adc_common - stm32 ADC driver common data (for all instances) * @base: control registers base cpu addr diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c index 6a7dd08b1e0b..73aee5949b6b 100644 --- a/drivers/iio/adc/stm32-adc.c +++ b/drivers/iio/adc/stm32-adc.c @@ -28,115 +28,6 @@ #include "stm32-adc-core.h" -/* STM32F4 - Registers for each ADC instance */ -#define STM32F4_ADC_SR 0x00 -#define STM32F4_ADC_CR1 0x04 -#define STM32F4_ADC_CR2 0x08 -#define STM32F4_ADC_SMPR1 0x0C -#define STM32F4_ADC_SMPR2 0x10 -#define STM32F4_ADC_HTR 0x24 -#define STM32F4_ADC_LTR 0x28 -#define STM32F4_ADC_SQR1 0x2C -#define STM32F4_ADC_SQR2 0x30 -#define STM32F4_ADC_SQR3 0x34 -#define STM32F4_ADC_JSQR 0x38 -#define STM32F4_ADC_JDR1 0x3C -#define STM32F4_ADC_JDR2 0x40 -#define STM32F4_ADC_JDR3 0x44 -#define STM32F4_ADC_JDR4 0x48 -#define STM32F4_ADC_DR 0x4C - -/* STM32F4_ADC_SR - bit fields */ -#define STM32F4_STRT BIT(4) -#define STM32F4_EOC BIT(1) - -/* STM32F4_ADC_CR1 - bit fields */ -#define STM32F4_RES_SHIFT 24 -#define STM32F4_RES_MASK GENMASK(25, 24) -#define STM32F4_SCAN BIT(8) -#define STM32F4_EOCIE BIT(5) - -/* STM32F4_ADC_CR2 - bit fields */ -#define STM32F4_SWSTART BIT(30) -#define STM32F4_EXTEN_SHIFT 28 -#define STM32F4_EXTEN_MASK GENMASK(29, 28) -#define STM32F4_EXTSEL_SHIFT 24 -#define STM32F4_EXTSEL_MASK GENMASK(27, 24) -#define STM32F4_EOCS BIT(10) -#define STM32F4_DDS BIT(9) -#define STM32F4_DMA BIT(8) -#define STM32F4_ADON BIT(0) - -/* STM32H7 - Registers for each ADC instance */ -#define STM32H7_ADC_ISR 0x00 -#define STM32H7_ADC_IER 0x04 -#define STM32H7_ADC_CR 0x08 -#define STM32H7_ADC_CFGR 0x0C -#define STM32H7_ADC_SMPR1 0x14 -#define STM32H7_ADC_SMPR2 0x18 -#define STM32H7_ADC_PCSEL 0x1C -#define STM32H7_ADC_SQR1 0x30 -#define STM32H7_ADC_SQR2 0x34 -#define STM32H7_ADC_SQR3 0x38 -#define STM32H7_ADC_SQR4 0x3C -#define STM32H7_ADC_DR 0x40 -#define STM32H7_ADC_DIFSEL 0xC0 -#define STM32H7_ADC_CALFACT 0xC4 -#define STM32H7_ADC_CALFACT2 0xC8 - -/* STM32H7_ADC_ISR - bit fields */ -#define STM32MP1_VREGREADY BIT(12) -#define STM32H7_EOC BIT(2) -#define STM32H7_ADRDY BIT(0) - -/* STM32H7_ADC_IER - bit fields */ -#define STM32H7_EOCIE STM32H7_EOC - -/* STM32H7_ADC_CR - bit fields */ -#define STM32H7_ADCAL BIT(31) -#define STM32H7_ADCALDIF BIT(30) -#define STM32H7_DEEPPWD BIT(29) -#define STM32H7_ADVREGEN BIT(28) -#define STM32H7_LINCALRDYW6 BIT(27) -#define STM32H7_LINCALRDYW5 BIT(26) -#define STM32H7_LINCALRDYW4 BIT(25) -#define STM32H7_LINCALRDYW3 BIT(24) -#define STM32H7_LINCALRDYW2 BIT(23) -#define STM32H7_LINCALRDYW1 BIT(22) -#define STM32H7_ADCALLIN BIT(16) -#define STM32H7_BOOST BIT(8) -#define STM32H7_ADSTP BIT(4) -#define STM32H7_ADSTART BIT(2) -#define STM32H7_ADDIS BIT(1) -#define STM32H7_ADEN BIT(0) - -/* STM32H7_ADC_CFGR bit fields */ -#define STM32H7_EXTEN_SHIFT 10 -#define STM32H7_EXTEN_MASK GENMASK(11, 10) -#define STM32H7_EXTSEL_SHIFT 5 -#define STM32H7_EXTSEL_MASK GENMASK(9, 5) -#define STM32H7_RES_SHIFT 2 -#define STM32H7_RES_MASK GENMASK(4, 2) -#define STM32H7_DMNGT_SHIFT 0 -#define STM32H7_DMNGT_MASK GENMASK(1, 0) - -enum stm32h7_adc_dmngt { - STM32H7_DMNGT_DR_ONLY, /* Regular data in DR only */ - STM32H7_DMNGT_DMA_ONESHOT, /* DMA one shot mode */ - STM32H7_DMNGT_DFSDM, /* DFSDM mode */ - STM32H7_DMNGT_DMA_CIRC, /* DMA circular mode */ -}; - -/* STM32H7_ADC_CALFACT - bit fields */ -#define STM32H7_CALFACT_D_SHIFT 16 -#define STM32H7_CALFACT_D_MASK GENMASK(26, 16) -#define STM32H7_CALFACT_S_SHIFT 0 -#define STM32H7_CALFACT_S_MASK GENMASK(10, 0) - -/* STM32H7_ADC_CALFACT2 - bit fields */ -#define STM32H7_LINCALFACT_SHIFT 0 -#define STM32H7_LINCALFACT_MASK GENMASK(29, 0) - /* Number of linear calibration shadow registers / LINCALRDYW control bits */ #define STM32H7_LINCALFACT_NUM 6 @@ -1508,7 +1399,7 @@ static int stm32_adc_dma_start(struct iio_dev *indio_dev) cookie = dmaengine_submit(desc); ret = dma_submit_error(cookie); if (ret) { - dmaengine_terminate_all(adc->dma_chan); + dmaengine_terminate_sync(adc->dma_chan); return ret; } @@ -1586,7 +1477,7 @@ static void __stm32_adc_buffer_predisable(struct iio_dev *indio_dev) stm32_adc_conv_irq_disable(adc); if (adc->dma_chan) - dmaengine_terminate_all(adc->dma_chan); + dmaengine_terminate_sync(adc->dma_chan); if (stm32_adc_set_trig(indio_dev, NULL)) dev_err(&indio_dev->dev, "Can't clear trigger\n"); diff --git a/drivers/iio/imu/adis16480.c b/drivers/iio/imu/adis16480.c index b99d73887c9f..8743b2f376e2 100644 --- a/drivers/iio/imu/adis16480.c +++ b/drivers/iio/imu/adis16480.c @@ -317,8 +317,11 @@ static int adis16480_set_freq(struct iio_dev *indio_dev, int val, int val2) struct adis16480 *st = iio_priv(indio_dev); unsigned int t, reg; + if (val < 0 || val2 < 0) + return -EINVAL; + t = val * 1000 + val2 / 1000; - if (t <= 0) + if (t == 0) return -EINVAL; /* diff --git a/drivers/iio/imu/adis_buffer.c b/drivers/iio/imu/adis_buffer.c index 9ac8356d9a95..4998a89d083d 100644 --- a/drivers/iio/imu/adis_buffer.c +++ b/drivers/iio/imu/adis_buffer.c @@ -35,8 +35,11 @@ static int adis_update_scan_mode_burst(struct iio_dev *indio_dev, return -ENOMEM; adis->buffer = kzalloc(burst_length + sizeof(u16), GFP_KERNEL); - if (!adis->buffer) + if (!adis->buffer) { + kfree(adis->xfer); + adis->xfer = NULL; return -ENOMEM; + } tx = adis->buffer + burst_length; tx[0] = ADIS_READ_REG(adis->burst->reg_cmd); @@ -78,8 +81,11 @@ int adis_update_scan_mode(struct iio_dev *indio_dev, return -ENOMEM; adis->buffer = kcalloc(indio_dev->scan_bytes, 2, GFP_KERNEL); - if (!adis->buffer) + if (!adis->buffer) { + kfree(adis->xfer); + adis->xfer = NULL; return -ENOMEM; + } rx = adis->buffer; tx = rx + scan_count; diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c index b17f060b52fc..868281b8adb0 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c @@ -114,54 +114,63 @@ static const struct inv_mpu6050_hw hw_info[] = { .name = "MPU6050", .reg = ®_set_6050, .config = &chip_config_6050, + .fifo_size = 1024, }, { .whoami = INV_MPU6500_WHOAMI_VALUE, .name = "MPU6500", .reg = ®_set_6500, .config = &chip_config_6050, + .fifo_size = 512, }, { .whoami = INV_MPU6515_WHOAMI_VALUE, .name = "MPU6515", .reg = ®_set_6500, .config = &chip_config_6050, + .fifo_size = 512, }, { .whoami = INV_MPU6000_WHOAMI_VALUE, .name = "MPU6000", .reg = ®_set_6050, .config = &chip_config_6050, + .fifo_size = 1024, }, { .whoami = INV_MPU9150_WHOAMI_VALUE, .name = "MPU9150", .reg = ®_set_6050, .config = &chip_config_6050, + .fifo_size = 1024, }, { .whoami = INV_MPU9250_WHOAMI_VALUE, .name = "MPU9250", .reg = ®_set_6500, .config = &chip_config_6050, + .fifo_size = 512, }, { .whoami = INV_MPU9255_WHOAMI_VALUE, .name = "MPU9255", .reg = ®_set_6500, .config = &chip_config_6050, + .fifo_size = 512, }, { .whoami = INV_ICM20608_WHOAMI_VALUE, .name = "ICM20608", .reg = ®_set_6500, .config = &chip_config_6050, + .fifo_size = 512, }, { .whoami = INV_ICM20602_WHOAMI_VALUE, .name = "ICM20602", .reg = ®_set_icm20602, .config = &chip_config_6050, + .fifo_size = 1008, }, }; diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h index db1c6904388b..51235677c534 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h @@ -100,12 +100,14 @@ struct inv_mpu6050_chip_config { * @name: name of the chip. * @reg: register map of the chip. * @config: configuration of the chip. + * @fifo_size: size of the FIFO in bytes. */ struct inv_mpu6050_hw { u8 whoami; u8 *name; const struct inv_mpu6050_reg_map *reg; const struct inv_mpu6050_chip_config *config; + size_t fifo_size; }; /* diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c index 5f9a5de0bab4..72d8c5790076 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c @@ -180,9 +180,6 @@ irqreturn_t inv_mpu6050_read_fifo(int irq, void *p) "failed to ack interrupt\n"); goto flush_fifo; } - /* handle fifo overflow by reseting fifo */ - if (int_status & INV_MPU6050_BIT_FIFO_OVERFLOW_INT) - goto flush_fifo; if (!(int_status & INV_MPU6050_BIT_RAW_DATA_RDY_INT)) { dev_warn(regmap_get_device(st->map), "spurious interrupt with status 0x%x\n", int_status); @@ -211,6 +208,18 @@ irqreturn_t inv_mpu6050_read_fifo(int irq, void *p) if (result) goto end_session; fifo_count = get_unaligned_be16(&data[0]); + + /* + * Handle fifo overflow by resetting fifo. + * Reset if there is only 3 data set free remaining to mitigate + * possible delay between reading fifo count and fifo data. + */ + nb = 3 * bytes_per_datum; + if (fifo_count >= st->hw->fifo_size - nb) { + dev_warn(regmap_get_device(st->map), "fifo overflow reset\n"); + goto flush_fifo; + } + /* compute and process all complete datum */ nb = fifo_count / bytes_per_datum; inv_mpu6050_update_period(st, pf->timestamp, nb); diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h index 80e42c7dbcbe..0fe6999b8257 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h @@ -99,7 +99,9 @@ struct st_lsm6dsx_fs { #define ST_LSM6DSX_FS_LIST_SIZE 4 struct st_lsm6dsx_fs_table_entry { struct st_lsm6dsx_reg reg; + struct st_lsm6dsx_fs fs_avl[ST_LSM6DSX_FS_LIST_SIZE]; + int fs_len; }; /** diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c index 2d3495560136..fd5ebe1e1594 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c @@ -145,6 +145,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .fs_avl[1] = { IIO_G_TO_M_S_2(122), 0x2 }, .fs_avl[2] = { IIO_G_TO_M_S_2(244), 0x3 }, .fs_avl[3] = { IIO_G_TO_M_S_2(732), 0x1 }, + .fs_len = 4, }, [ST_LSM6DSX_ID_GYRO] = { .reg = { @@ -154,6 +155,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .fs_avl[0] = { IIO_DEGREE_TO_RAD(245), 0x0 }, .fs_avl[1] = { IIO_DEGREE_TO_RAD(500), 0x1 }, .fs_avl[2] = { IIO_DEGREE_TO_RAD(2000), 0x3 }, + .fs_len = 3, }, }, }, @@ -215,6 +217,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .fs_avl[1] = { IIO_G_TO_M_S_2(122), 0x2 }, .fs_avl[2] = { IIO_G_TO_M_S_2(244), 0x3 }, .fs_avl[3] = { IIO_G_TO_M_S_2(488), 0x1 }, + .fs_len = 4, }, [ST_LSM6DSX_ID_GYRO] = { .reg = { @@ -225,6 +228,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .fs_avl[1] = { IIO_DEGREE_TO_RAD(17500), 0x1 }, .fs_avl[2] = { IIO_DEGREE_TO_RAD(35000), 0x2 }, .fs_avl[3] = { IIO_DEGREE_TO_RAD(70000), 0x3 }, + .fs_len = 4, }, }, .decimator = { @@ -327,6 +331,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .fs_avl[1] = { IIO_G_TO_M_S_2(122), 0x2 }, .fs_avl[2] = { IIO_G_TO_M_S_2(244), 0x3 }, .fs_avl[3] = { IIO_G_TO_M_S_2(488), 0x1 }, + .fs_len = 4, }, [ST_LSM6DSX_ID_GYRO] = { .reg = { @@ -337,6 +342,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .fs_avl[1] = { IIO_DEGREE_TO_RAD(17500), 0x1 }, .fs_avl[2] = { IIO_DEGREE_TO_RAD(35000), 0x2 }, .fs_avl[3] = { IIO_DEGREE_TO_RAD(70000), 0x3 }, + .fs_len = 4, }, }, .decimator = { @@ -448,6 +454,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .fs_avl[1] = { IIO_G_TO_M_S_2(122), 0x2 }, .fs_avl[2] = { IIO_G_TO_M_S_2(244), 0x3 }, .fs_avl[3] = { IIO_G_TO_M_S_2(488), 0x1 }, + .fs_len = 4, }, [ST_LSM6DSX_ID_GYRO] = { .reg = { @@ -458,6 +465,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .fs_avl[1] = { IIO_DEGREE_TO_RAD(17500), 0x1 }, .fs_avl[2] = { IIO_DEGREE_TO_RAD(35000), 0x2 }, .fs_avl[3] = { IIO_DEGREE_TO_RAD(70000), 0x3 }, + .fs_len = 4, }, }, .decimator = { @@ -563,6 +571,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .fs_avl[1] = { IIO_G_TO_M_S_2(122), 0x2 }, .fs_avl[2] = { IIO_G_TO_M_S_2(244), 0x3 }, .fs_avl[3] = { IIO_G_TO_M_S_2(488), 0x1 }, + .fs_len = 4, }, [ST_LSM6DSX_ID_GYRO] = { .reg = { @@ -573,6 +582,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .fs_avl[1] = { IIO_DEGREE_TO_RAD(17500), 0x1 }, .fs_avl[2] = { IIO_DEGREE_TO_RAD(35000), 0x2 }, .fs_avl[3] = { IIO_DEGREE_TO_RAD(70000), 0x3 }, + .fs_len = 4, }, }, .batch = { @@ -693,6 +703,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .fs_avl[1] = { IIO_G_TO_M_S_2(122), 0x2 }, .fs_avl[2] = { IIO_G_TO_M_S_2(244), 0x3 }, .fs_avl[3] = { IIO_G_TO_M_S_2(488), 0x1 }, + .fs_len = 4, }, [ST_LSM6DSX_ID_GYRO] = { .reg = { @@ -703,6 +714,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .fs_avl[1] = { IIO_DEGREE_TO_RAD(17500), 0x1 }, .fs_avl[2] = { IIO_DEGREE_TO_RAD(35000), 0x2 }, .fs_avl[3] = { IIO_DEGREE_TO_RAD(70000), 0x3 }, + .fs_len = 4, }, }, .batch = { @@ -800,6 +812,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .fs_avl[1] = { IIO_G_TO_M_S_2(122), 0x2 }, .fs_avl[2] = { IIO_G_TO_M_S_2(244), 0x3 }, .fs_avl[3] = { IIO_G_TO_M_S_2(488), 0x1 }, + .fs_len = 4, }, [ST_LSM6DSX_ID_GYRO] = { .reg = { @@ -810,6 +823,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .fs_avl[1] = { IIO_DEGREE_TO_RAD(17500), 0x1 }, .fs_avl[2] = { IIO_DEGREE_TO_RAD(35000), 0x2 }, .fs_avl[3] = { IIO_DEGREE_TO_RAD(70000), 0x3 }, + .fs_len = 4, }, }, .batch = { @@ -933,11 +947,12 @@ static int st_lsm6dsx_set_full_scale(struct st_lsm6dsx_sensor *sensor, int i, err; fs_table = &sensor->hw->settings->fs_table[sensor->id]; - for (i = 0; i < ST_LSM6DSX_FS_LIST_SIZE; i++) + for (i = 0; i < fs_table->fs_len; i++) { if (fs_table->fs_avl[i].gain == gain) break; + } - if (i == ST_LSM6DSX_FS_LIST_SIZE) + if (i == fs_table->fs_len) return -EINVAL; data = ST_LSM6DSX_SHIFT_VAL(fs_table->fs_avl[i].val, @@ -1196,18 +1211,13 @@ static ssize_t st_lsm6dsx_sysfs_scale_avail(struct device *dev, { struct st_lsm6dsx_sensor *sensor = iio_priv(dev_get_drvdata(dev)); const struct st_lsm6dsx_fs_table_entry *fs_table; - enum st_lsm6dsx_sensor_id id = sensor->id; struct st_lsm6dsx_hw *hw = sensor->hw; int i, len = 0; - fs_table = &hw->settings->fs_table[id]; - for (i = 0; i < ST_LSM6DSX_FS_LIST_SIZE; i++) { - if (!fs_table->fs_avl[i].gain) - break; - + fs_table = &hw->settings->fs_table[sensor->id]; + for (i = 0; i < fs_table->fs_len; i++) len += scnprintf(buf + len, PAGE_SIZE - len, "0.%06u ", fs_table->fs_avl[i].gain); - } buf[len - 1] = '\n'; return len; diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c index 66fbcd94642d..ea472cf6db7b 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c @@ -61,6 +61,7 @@ static const struct st_lsm6dsx_ext_dev_settings st_lsm6dsx_ext_dev_table[] = { .gain = 1500, .val = 0x0, }, /* 1500 uG/LSB */ + .fs_len = 1, }, .temp_comp = { .addr = 0x60, @@ -92,9 +93,11 @@ static const struct st_lsm6dsx_ext_dev_settings st_lsm6dsx_ext_dev_table[] = { static void st_lsm6dsx_shub_wait_complete(struct st_lsm6dsx_hw *hw) { struct st_lsm6dsx_sensor *sensor; + u16 odr; sensor = iio_priv(hw->iio_devs[ST_LSM6DSX_ID_ACC]); - msleep((2000U / sensor->odr) + 1); + odr = (hw->enable_mask & BIT(ST_LSM6DSX_ID_ACC)) ? sensor->odr : 13; + msleep((2000U / odr) + 1); } /** @@ -555,13 +558,9 @@ static ssize_t st_lsm6dsx_shub_scale_avail(struct device *dev, int i, len = 0; settings = sensor->ext_info.settings; - for (i = 0; i < ST_LSM6DSX_FS_LIST_SIZE; i++) { - u16 val = settings->fs_table.fs_avl[i].gain; - - if (val > 0) - len += scnprintf(buf + len, PAGE_SIZE - len, "0.%06u ", - val); - } + for (i = 0; i < settings->fs_table.fs_len; i++) + len += scnprintf(buf + len, PAGE_SIZE - len, "0.%06u ", + settings->fs_table.fs_avl[i].gain); buf[len - 1] = '\n'; return len; diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig index 08d7e1ef2186..4a1a883dc061 100644 --- a/drivers/iio/light/Kconfig +++ b/drivers/iio/light/Kconfig @@ -314,6 +314,7 @@ config MAX44009 config NOA1305 tristate "ON Semiconductor NOA1305 ambient light sensor" depends on I2C + select REGMAP_I2C help Say Y here if you want to build support for the ON Semiconductor NOA1305 ambient light sensor. diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c index e666879007d2..92004a2563ea 100644 --- a/drivers/iio/light/opt3001.c +++ b/drivers/iio/light/opt3001.c @@ -686,6 +686,7 @@ static irqreturn_t opt3001_irq(int irq, void *_iio) struct iio_dev *iio = _iio; struct opt3001 *opt = iio_priv(iio); int ret; + bool wake_result_ready_queue = false; if (!opt->ok_to_ignore_lock) mutex_lock(&opt->lock); @@ -720,13 +721,16 @@ static irqreturn_t opt3001_irq(int irq, void *_iio) } opt->result = ret; opt->result_ready = true; - wake_up(&opt->result_ready_queue); + wake_result_ready_queue = true; } out: if (!opt->ok_to_ignore_lock) mutex_unlock(&opt->lock); + if (wake_result_ready_queue) + wake_up(&opt->result_ready_queue); + return IRQ_HANDLED; } diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c index 51421ac32517..16dacea9eadf 100644 --- a/drivers/iio/light/vcnl4000.c +++ b/drivers/iio/light/vcnl4000.c @@ -398,19 +398,23 @@ static int vcnl4000_probe(struct i2c_client *client, static const struct of_device_id vcnl_4000_of_match[] = { { .compatible = "vishay,vcnl4000", - .data = "VCNL4000", + .data = (void *)VCNL4000, }, { .compatible = "vishay,vcnl4010", - .data = "VCNL4010", + .data = (void *)VCNL4010, }, { - .compatible = "vishay,vcnl4010", - .data = "VCNL4020", + .compatible = "vishay,vcnl4020", + .data = (void *)VCNL4010, + }, + { + .compatible = "vishay,vcnl4040", + .data = (void *)VCNL4040, }, { .compatible = "vishay,vcnl4200", - .data = "VCNL4200", + .data = (void *)VCNL4200, }, {}, }; diff --git a/drivers/iio/proximity/srf04.c b/drivers/iio/proximity/srf04.c index 8b50d56b0a03..01eb8cc63076 100644 --- a/drivers/iio/proximity/srf04.c +++ b/drivers/iio/proximity/srf04.c @@ -110,7 +110,7 @@ static int srf04_read(struct srf04_data *data) udelay(data->cfg->trigger_pulse_us); gpiod_set_value(data->gpiod_trig, 0); - /* it cannot take more than 20 ms */ + /* it should not take more than 20 ms until echo is rising */ ret = wait_for_completion_killable_timeout(&data->rising, HZ/50); if (ret < 0) { mutex_unlock(&data->lock); @@ -120,7 +120,8 @@ static int srf04_read(struct srf04_data *data) return -ETIMEDOUT; } - ret = wait_for_completion_killable_timeout(&data->falling, HZ/50); + /* it cannot take more than 50 ms until echo is falling */ + ret = wait_for_completion_killable_timeout(&data->falling, HZ/20); if (ret < 0) { mutex_unlock(&data->lock); return ret; @@ -135,19 +136,19 @@ static int srf04_read(struct srf04_data *data) dt_ns = ktime_to_ns(ktime_dt); /* - * measuring more than 3 meters is beyond the capabilities of - * the sensor + * measuring more than 6,45 meters is beyond the capabilities of + * the supported sensors * ==> filter out invalid results for not measuring echos of * another us sensor * * formula: - * distance 3 m - * time = ---------- = --------- = 9404389 ns - * speed 319 m/s + * distance 6,45 * 2 m + * time = ---------- = ------------ = 40438871 ns + * speed 319 m/s * * using a minimum speed at -20 °C of 319 m/s */ - if (dt_ns > 9404389) + if (dt_ns > 40438871) return -EIO; time_ns = dt_ns; @@ -159,20 +160,20 @@ static int srf04_read(struct srf04_data *data) * with Temp in °C * and speed in m/s * - * use 343 m/s as ultrasonic speed at 20 °C here in absence of the + * use 343,5 m/s as ultrasonic speed at 20 °C here in absence of the * temperature * * therefore: - * time 343 - * distance = ------ * ----- - * 10^6 2 + * time 343,5 time * 106 + * distance = ------ * ------- = ------------ + * 10^6 2 617176 * with time in ns * and distance in mm (one way) * - * because we limit to 3 meters the multiplication with 343 just + * because we limit to 6,45 meters the multiplication with 106 just * fits into 32 bit */ - distance_mm = time_ns * 343 / 2000000; + distance_mm = time_ns * 106 / 617176; return distance_mm; } diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index da10e6ccb43c..5920c0085d35 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -4399,6 +4399,7 @@ error2: error1: port_modify.set_port_cap_mask = 0; port_modify.clr_port_cap_mask = IB_PORT_CM_SUP; + kfree(port); while (--i) { if (!rdma_cap_ib_cm(ib_device, i)) continue; @@ -4407,6 +4408,7 @@ error1: ib_modify_port(ib_device, port->port_num, 0, &port_modify); ib_unregister_mad_agent(port->mad_agent); cm_remove_port_fs(port); + kfree(port); } free: kfree(cm_dev); @@ -4460,6 +4462,7 @@ static void cm_remove_one(struct ib_device *ib_device, void *client_data) spin_unlock_irq(&cm.state_lock); ib_unregister_mad_agent(cur_mad_agent); cm_remove_port_fs(port); + kfree(port); } kfree(cm_dev); diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 0e3cf3461999..d78f67623f24 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -2396,9 +2396,10 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id, conn_id->cm_id.iw = NULL; cma_exch(conn_id, RDMA_CM_DESTROYING); mutex_unlock(&conn_id->handler_mutex); + mutex_unlock(&listen_id->handler_mutex); cma_deref_id(conn_id); rdma_destroy_id(&conn_id->id); - goto out; + return ret; } mutex_unlock(&conn_id->handler_mutex); diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h index 3a8b0911c3bc..9d07378b5b42 100644 --- a/drivers/infiniband/core/core_priv.h +++ b/drivers/infiniband/core/core_priv.h @@ -199,6 +199,7 @@ void ib_mad_cleanup(void); int ib_sa_init(void); void ib_sa_cleanup(void); +void rdma_nl_init(void); void rdma_nl_exit(void); int ib_nl_handle_resolve_resp(struct sk_buff *skb, diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 99c4a55545cf..50a92442c4f7 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -1987,8 +1987,6 @@ static int iw_query_port(struct ib_device *device, if (!netdev) return -ENODEV; - dev_put(netdev); - port_attr->max_mtu = IB_MTU_4096; port_attr->active_mtu = ib_mtu_int_to_enum(netdev->mtu); @@ -1996,19 +1994,22 @@ static int iw_query_port(struct ib_device *device, port_attr->state = IB_PORT_DOWN; port_attr->phys_state = IB_PORT_PHYS_STATE_DISABLED; } else { - inetdev = in_dev_get(netdev); + rcu_read_lock(); + inetdev = __in_dev_get_rcu(netdev); if (inetdev && inetdev->ifa_list) { port_attr->state = IB_PORT_ACTIVE; port_attr->phys_state = IB_PORT_PHYS_STATE_LINK_UP; - in_dev_put(inetdev); } else { port_attr->state = IB_PORT_INIT; port_attr->phys_state = IB_PORT_PHYS_STATE_PORT_CONFIGURATION_TRAINING; } + + rcu_read_unlock(); } + dev_put(netdev); err = device->ops.query_port(device, port_num, port_attr); if (err) return err; @@ -2715,6 +2716,8 @@ static int __init ib_core_init(void) goto err_comp_unbound; } + rdma_nl_init(); + ret = addr_init(); if (ret) { pr_warn("Could't init IB address resolution\n"); diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index 72141c5b7c95..ade71823370f 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -372,6 +372,7 @@ EXPORT_SYMBOL(iw_cm_disconnect); static void destroy_cm_id(struct iw_cm_id *cm_id) { struct iwcm_id_private *cm_id_priv; + struct ib_qp *qp; unsigned long flags; cm_id_priv = container_of(cm_id, struct iwcm_id_private, id); @@ -389,6 +390,9 @@ static void destroy_cm_id(struct iw_cm_id *cm_id) set_bit(IWCM_F_DROP_EVENTS, &cm_id_priv->flags); spin_lock_irqsave(&cm_id_priv->lock, flags); + qp = cm_id_priv->qp; + cm_id_priv->qp = NULL; + switch (cm_id_priv->state) { case IW_CM_STATE_LISTEN: cm_id_priv->state = IW_CM_STATE_DESTROYING; @@ -401,7 +405,7 @@ static void destroy_cm_id(struct iw_cm_id *cm_id) cm_id_priv->state = IW_CM_STATE_DESTROYING; spin_unlock_irqrestore(&cm_id_priv->lock, flags); /* Abrupt close of the connection */ - (void)iwcm_modify_qp_err(cm_id_priv->qp); + (void)iwcm_modify_qp_err(qp); spin_lock_irqsave(&cm_id_priv->lock, flags); break; case IW_CM_STATE_IDLE: @@ -426,11 +430,9 @@ static void destroy_cm_id(struct iw_cm_id *cm_id) BUG(); break; } - if (cm_id_priv->qp) { - cm_id_priv->id.device->ops.iw_rem_ref(cm_id_priv->qp); - cm_id_priv->qp = NULL; - } spin_unlock_irqrestore(&cm_id_priv->lock, flags); + if (qp) + cm_id_priv->id.device->ops.iw_rem_ref(qp); if (cm_id->mapped) { iwpm_remove_mapinfo(&cm_id->local_addr, &cm_id->m_local_addr); @@ -671,11 +673,11 @@ int iw_cm_accept(struct iw_cm_id *cm_id, BUG_ON(cm_id_priv->state != IW_CM_STATE_CONN_RECV); cm_id_priv->state = IW_CM_STATE_IDLE; spin_lock_irqsave(&cm_id_priv->lock, flags); - if (cm_id_priv->qp) { - cm_id->device->ops.iw_rem_ref(qp); - cm_id_priv->qp = NULL; - } + qp = cm_id_priv->qp; + cm_id_priv->qp = NULL; spin_unlock_irqrestore(&cm_id_priv->lock, flags); + if (qp) + cm_id->device->ops.iw_rem_ref(qp); clear_bit(IWCM_F_CONNECT_WAIT, &cm_id_priv->flags); wake_up_all(&cm_id_priv->connect_wait); } @@ -696,7 +698,7 @@ int iw_cm_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *iw_param) struct iwcm_id_private *cm_id_priv; int ret; unsigned long flags; - struct ib_qp *qp; + struct ib_qp *qp = NULL; cm_id_priv = container_of(cm_id, struct iwcm_id_private, id); @@ -730,13 +732,13 @@ int iw_cm_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *iw_param) return 0; /* success */ spin_lock_irqsave(&cm_id_priv->lock, flags); - if (cm_id_priv->qp) { - cm_id->device->ops.iw_rem_ref(qp); - cm_id_priv->qp = NULL; - } + qp = cm_id_priv->qp; + cm_id_priv->qp = NULL; cm_id_priv->state = IW_CM_STATE_IDLE; err: spin_unlock_irqrestore(&cm_id_priv->lock, flags); + if (qp) + cm_id->device->ops.iw_rem_ref(qp); clear_bit(IWCM_F_CONNECT_WAIT, &cm_id_priv->flags); wake_up_all(&cm_id_priv->connect_wait); return ret; @@ -878,6 +880,7 @@ static int cm_conn_est_handler(struct iwcm_id_private *cm_id_priv, static int cm_conn_rep_handler(struct iwcm_id_private *cm_id_priv, struct iw_cm_event *iw_event) { + struct ib_qp *qp = NULL; unsigned long flags; int ret; @@ -896,11 +899,13 @@ static int cm_conn_rep_handler(struct iwcm_id_private *cm_id_priv, cm_id_priv->state = IW_CM_STATE_ESTABLISHED; } else { /* REJECTED or RESET */ - cm_id_priv->id.device->ops.iw_rem_ref(cm_id_priv->qp); + qp = cm_id_priv->qp; cm_id_priv->qp = NULL; cm_id_priv->state = IW_CM_STATE_IDLE; } spin_unlock_irqrestore(&cm_id_priv->lock, flags); + if (qp) + cm_id_priv->id.device->ops.iw_rem_ref(qp); ret = cm_id_priv->id.cm_handler(&cm_id_priv->id, iw_event); if (iw_event->private_data_len) @@ -942,21 +947,18 @@ static void cm_disconnect_handler(struct iwcm_id_private *cm_id_priv, static int cm_close_handler(struct iwcm_id_private *cm_id_priv, struct iw_cm_event *iw_event) { + struct ib_qp *qp; unsigned long flags; - int ret = 0; + int ret = 0, notify_event = 0; spin_lock_irqsave(&cm_id_priv->lock, flags); + qp = cm_id_priv->qp; + cm_id_priv->qp = NULL; - if (cm_id_priv->qp) { - cm_id_priv->id.device->ops.iw_rem_ref(cm_id_priv->qp); - cm_id_priv->qp = NULL; - } switch (cm_id_priv->state) { case IW_CM_STATE_ESTABLISHED: case IW_CM_STATE_CLOSING: cm_id_priv->state = IW_CM_STATE_IDLE; - spin_unlock_irqrestore(&cm_id_priv->lock, flags); - ret = cm_id_priv->id.cm_handler(&cm_id_priv->id, iw_event); - spin_lock_irqsave(&cm_id_priv->lock, flags); + notify_event = 1; break; case IW_CM_STATE_DESTROYING: break; @@ -965,6 +967,10 @@ static int cm_close_handler(struct iwcm_id_private *cm_id_priv, } spin_unlock_irqrestore(&cm_id_priv->lock, flags); + if (qp) + cm_id_priv->id.device->ops.iw_rem_ref(qp); + if (notify_event) + ret = cm_id_priv->id.cm_handler(&cm_id_priv->id, iw_event); return ret; } diff --git a/drivers/infiniband/core/netlink.c b/drivers/infiniband/core/netlink.c index 81dbd5f41bed..8cd31ef25eff 100644 --- a/drivers/infiniband/core/netlink.c +++ b/drivers/infiniband/core/netlink.c @@ -42,9 +42,12 @@ #include <linux/module.h> #include "core_priv.h" -static DEFINE_MUTEX(rdma_nl_mutex); static struct { - const struct rdma_nl_cbs *cb_table; + const struct rdma_nl_cbs *cb_table; + /* Synchronizes between ongoing netlink commands and netlink client + * unregistration. + */ + struct rw_semaphore sem; } rdma_nl_types[RDMA_NL_NUM_CLIENTS]; bool rdma_nl_chk_listeners(unsigned int group) @@ -75,70 +78,53 @@ static bool is_nl_msg_valid(unsigned int type, unsigned int op) return (op < max_num_ops[type]) ? true : false; } -static bool -is_nl_valid(const struct sk_buff *skb, unsigned int type, unsigned int op) +static const struct rdma_nl_cbs * +get_cb_table(const struct sk_buff *skb, unsigned int type, unsigned int op) { const struct rdma_nl_cbs *cb_table; - if (!is_nl_msg_valid(type, op)) - return false; - /* * Currently only NLDEV client is supporting netlink commands in * non init_net net namespace. */ if (sock_net(skb->sk) != &init_net && type != RDMA_NL_NLDEV) - return false; + return NULL; - if (!rdma_nl_types[type].cb_table) { - mutex_unlock(&rdma_nl_mutex); - request_module("rdma-netlink-subsys-%d", type); - mutex_lock(&rdma_nl_mutex); - } + cb_table = READ_ONCE(rdma_nl_types[type].cb_table); + if (!cb_table) { + /* + * Didn't get valid reference of the table, attempt module + * load once. + */ + up_read(&rdma_nl_types[type].sem); - cb_table = rdma_nl_types[type].cb_table; + request_module("rdma-netlink-subsys-%d", type); + down_read(&rdma_nl_types[type].sem); + cb_table = READ_ONCE(rdma_nl_types[type].cb_table); + } if (!cb_table || (!cb_table[op].dump && !cb_table[op].doit)) - return false; - return true; + return NULL; + return cb_table; } void rdma_nl_register(unsigned int index, const struct rdma_nl_cbs cb_table[]) { - mutex_lock(&rdma_nl_mutex); - if (!is_nl_msg_valid(index, 0)) { - /* - * All clients are not interesting in success/failure of - * this call. They want to see the print to error log and - * continue their initialization. Print warning for them, - * because it is programmer's error to be here. - */ - mutex_unlock(&rdma_nl_mutex); - WARN(true, - "The not-valid %u index was supplied to RDMA netlink\n", - index); + if (WARN_ON(!is_nl_msg_valid(index, 0)) || + WARN_ON(READ_ONCE(rdma_nl_types[index].cb_table))) return; - } - - if (rdma_nl_types[index].cb_table) { - mutex_unlock(&rdma_nl_mutex); - WARN(true, - "The %u index is already registered in RDMA netlink\n", - index); - return; - } - rdma_nl_types[index].cb_table = cb_table; - mutex_unlock(&rdma_nl_mutex); + /* Pairs with the READ_ONCE in is_nl_valid() */ + smp_store_release(&rdma_nl_types[index].cb_table, cb_table); } EXPORT_SYMBOL(rdma_nl_register); void rdma_nl_unregister(unsigned int index) { - mutex_lock(&rdma_nl_mutex); + down_write(&rdma_nl_types[index].sem); rdma_nl_types[index].cb_table = NULL; - mutex_unlock(&rdma_nl_mutex); + up_write(&rdma_nl_types[index].sem); } EXPORT_SYMBOL(rdma_nl_unregister); @@ -170,15 +156,21 @@ static int rdma_nl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, unsigned int index = RDMA_NL_GET_CLIENT(type); unsigned int op = RDMA_NL_GET_OP(type); const struct rdma_nl_cbs *cb_table; + int err = -EINVAL; - if (!is_nl_valid(skb, index, op)) + if (!is_nl_msg_valid(index, op)) return -EINVAL; - cb_table = rdma_nl_types[index].cb_table; + down_read(&rdma_nl_types[index].sem); + cb_table = get_cb_table(skb, index, op); + if (!cb_table) + goto done; if ((cb_table[op].flags & RDMA_NL_ADMIN_PERM) && - !netlink_capable(skb, CAP_NET_ADMIN)) - return -EPERM; + !netlink_capable(skb, CAP_NET_ADMIN)) { + err = -EPERM; + goto done; + } /* * LS responses overload the 0x100 (NLM_F_ROOT) flag. Don't @@ -186,8 +178,8 @@ static int rdma_nl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, */ if (index == RDMA_NL_LS) { if (cb_table[op].doit) - return cb_table[op].doit(skb, nlh, extack); - return -EINVAL; + err = cb_table[op].doit(skb, nlh, extack); + goto done; } /* FIXME: Convert IWCM to properly handle doit callbacks */ if ((nlh->nlmsg_flags & NLM_F_DUMP) || index == RDMA_NL_IWCM) { @@ -195,14 +187,15 @@ static int rdma_nl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, .dump = cb_table[op].dump, }; if (c.dump) - return netlink_dump_start(skb->sk, skb, nlh, &c); - return -EINVAL; + err = netlink_dump_start(skb->sk, skb, nlh, &c); + goto done; } if (cb_table[op].doit) - return cb_table[op].doit(skb, nlh, extack); - - return 0; + err = cb_table[op].doit(skb, nlh, extack); +done: + up_read(&rdma_nl_types[index].sem); + return err; } /* @@ -263,9 +256,7 @@ skip: static void rdma_nl_rcv(struct sk_buff *skb) { - mutex_lock(&rdma_nl_mutex); rdma_nl_rcv_skb(skb, &rdma_nl_rcv_msg); - mutex_unlock(&rdma_nl_mutex); } int rdma_nl_unicast(struct net *net, struct sk_buff *skb, u32 pid) @@ -297,6 +288,14 @@ int rdma_nl_multicast(struct net *net, struct sk_buff *skb, } EXPORT_SYMBOL(rdma_nl_multicast); +void rdma_nl_init(void) +{ + int idx; + + for (idx = 0; idx < RDMA_NL_NUM_CLIENTS; idx++) + init_rwsem(&rdma_nl_types[idx].sem); +} + void rdma_nl_exit(void) { int idx; diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 7a7474000100..c03af08b80e7 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -778,7 +778,7 @@ static int fill_res_counter_entry(struct sk_buff *msg, bool has_cap_net_admin, container_of(res, struct rdma_counter, res); if (port && port != counter->port) - return 0; + return -EAGAIN; /* Dump it even query failed */ rdma_counter_query_stats(counter); @@ -1230,7 +1230,7 @@ static int res_get_common_doit(struct sk_buff *skb, struct nlmsghdr *nlh, msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) { ret = -ENOMEM; - goto err; + goto err_get; } nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq, @@ -1787,10 +1787,6 @@ static int nldev_stat_del_doit(struct sk_buff *skb, struct nlmsghdr *nlh, cntn = nla_get_u32(tb[RDMA_NLDEV_ATTR_STAT_COUNTER_ID]); qpn = nla_get_u32(tb[RDMA_NLDEV_ATTR_RES_LQPN]); - ret = rdma_counter_unbind_qpn(device, port, qpn, cntn); - if (ret) - goto err_unbind; - if (fill_nldev_handle(msg, device) || nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, port) || nla_put_u32(msg, RDMA_NLDEV_ATTR_STAT_COUNTER_ID, cntn) || @@ -1799,13 +1795,15 @@ static int nldev_stat_del_doit(struct sk_buff *skb, struct nlmsghdr *nlh, goto err_fill; } + ret = rdma_counter_unbind_qpn(device, port, qpn, cntn); + if (ret) + goto err_fill; + nlmsg_end(msg, nlh); ib_device_put(device); return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid); err_fill: - rdma_counter_bind_qpn(device, port, qpn, cntn); -err_unbind: nlmsg_free(msg); err: ib_device_put(device); diff --git a/drivers/infiniband/core/security.c b/drivers/infiniband/core/security.c index 1ab423b19f77..6eb6d2717ca5 100644 --- a/drivers/infiniband/core/security.c +++ b/drivers/infiniband/core/security.c @@ -426,7 +426,7 @@ int ib_create_qp_security(struct ib_qp *qp, struct ib_device *dev) int ret; rdma_for_each_port (dev, i) { - is_ib = rdma_protocol_ib(dev, i++); + is_ib = rdma_protocol_ib(dev, i); if (is_ib) break; } diff --git a/drivers/infiniband/core/umem_odp.c b/drivers/infiniband/core/umem_odp.c index f67a30fda1ed..163ff7ba92b7 100644 --- a/drivers/infiniband/core/umem_odp.c +++ b/drivers/infiniband/core/umem_odp.c @@ -451,8 +451,10 @@ void ib_umem_odp_release(struct ib_umem_odp *umem_odp) * that the hardware will not attempt to access the MR any more. */ if (!umem_odp->is_implicit_odp) { + mutex_lock(&umem_odp->umem_mutex); ib_umem_odp_unmap_dma_pages(umem_odp, ib_umem_start(umem_odp), ib_umem_end(umem_odp)); + mutex_unlock(&umem_odp->umem_mutex); kvfree(umem_odp->dma_list); kvfree(umem_odp->page_list); } @@ -719,6 +721,8 @@ void ib_umem_odp_unmap_dma_pages(struct ib_umem_odp *umem_odp, u64 virt, u64 addr; struct ib_device *dev = umem_odp->umem.ibdev; + lockdep_assert_held(&umem_odp->umem_mutex); + virt = max_t(u64, virt, ib_umem_start(umem_odp)); bound = min_t(u64, bound, ib_umem_end(umem_odp)); /* Note that during the run of this function, the @@ -726,7 +730,6 @@ void ib_umem_odp_unmap_dma_pages(struct ib_umem_odp *umem_odp, u64 virt, * faults from completion. We might be racing with other * invalidations, so we must make sure we free each page only * once. */ - mutex_lock(&umem_odp->umem_mutex); for (addr = virt; addr < bound; addr += BIT(umem_odp->page_shift)) { idx = (addr - ib_umem_start(umem_odp)) >> umem_odp->page_shift; if (umem_odp->page_list[idx]) { @@ -757,7 +760,6 @@ void ib_umem_odp_unmap_dma_pages(struct ib_umem_odp *umem_odp, u64 virt, umem_odp->npages--; } } - mutex_unlock(&umem_odp->umem_mutex); } EXPORT_SYMBOL(ib_umem_odp_unmap_dma_pages); diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h index 1e5aeb39f774..63f7f7db5902 100644 --- a/drivers/infiniband/core/uverbs.h +++ b/drivers/infiniband/core/uverbs.h @@ -98,7 +98,7 @@ ib_uverbs_init_udata_buf_or_null(struct ib_udata *udata, struct ib_uverbs_device { atomic_t refcount; - int num_comp_vectors; + u32 num_comp_vectors; struct completion comp; struct device dev; /* First group for device attributes, NULL terminated array */ diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index f974b6854224..35c2841a569e 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -662,16 +662,17 @@ static bool find_gid_index(const union ib_gid *gid, void *context) { struct find_gid_index_context *ctx = context; + u16 vlan_id = 0xffff; + int ret; if (ctx->gid_type != gid_attr->gid_type) return false; - if ((!!(ctx->vlan_id != 0xffff) == !is_vlan_dev(gid_attr->ndev)) || - (is_vlan_dev(gid_attr->ndev) && - vlan_dev_vlan_id(gid_attr->ndev) != ctx->vlan_id)) + ret = rdma_read_gid_l2_fields(gid_attr, &vlan_id, NULL); + if (ret) return false; - return true; + return ctx->vlan_id == vlan_id; } static const struct ib_gid_attr * diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index e87fc0408470..347dc242fb88 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -495,7 +495,6 @@ static int _put_ep_safe(struct c4iw_dev *dev, struct sk_buff *skb) ep = *((struct c4iw_ep **)(skb->cb + 2 * sizeof(void *))); release_ep_resources(ep); - kfree_skb(skb); return 0; } @@ -506,7 +505,6 @@ static int _put_pass_ep_safe(struct c4iw_dev *dev, struct sk_buff *skb) ep = *((struct c4iw_ep **)(skb->cb + 2 * sizeof(void *))); c4iw_put_ep(&ep->parent_ep->com); release_ep_resources(ep); - kfree_skb(skb); return 0; } @@ -2424,20 +2422,6 @@ static int accept_cr(struct c4iw_ep *ep, struct sk_buff *skb, enum chip_type adapter_type = ep->com.dev->rdev.lldi.adapter_type; pr_debug("ep %p tid %u\n", ep, ep->hwtid); - - skb_get(skb); - rpl = cplhdr(skb); - if (!is_t4(adapter_type)) { - skb_trim(skb, roundup(sizeof(*rpl5), 16)); - rpl5 = (void *)rpl; - INIT_TP_WR(rpl5, ep->hwtid); - } else { - skb_trim(skb, sizeof(*rpl)); - INIT_TP_WR(rpl, ep->hwtid); - } - OPCODE_TID(rpl) = cpu_to_be32(MK_OPCODE_TID(CPL_PASS_ACCEPT_RPL, - ep->hwtid)); - cxgb_best_mtu(ep->com.dev->rdev.lldi.mtus, ep->mtu, &mtu_idx, enable_tcp_timestamps && req->tcpopt.tstamp, (ep->com.remote_addr.ss_family == AF_INET) ? 0 : 1); @@ -2483,6 +2467,20 @@ static int accept_cr(struct c4iw_ep *ep, struct sk_buff *skb, if (tcph->ece && tcph->cwr) opt2 |= CCTRL_ECN_V(1); } + + skb_get(skb); + rpl = cplhdr(skb); + if (!is_t4(adapter_type)) { + skb_trim(skb, roundup(sizeof(*rpl5), 16)); + rpl5 = (void *)rpl; + INIT_TP_WR(rpl5, ep->hwtid); + } else { + skb_trim(skb, sizeof(*rpl)); + INIT_TP_WR(rpl, ep->hwtid); + } + OPCODE_TID(rpl) = cpu_to_be32(MK_OPCODE_TID(CPL_PASS_ACCEPT_RPL, + ep->hwtid)); + if (CHELSIO_CHIP_VERSION(adapter_type) > CHELSIO_T4) { u32 isn = (prandom_u32() & ~7UL) - 1; opt2 |= T5_OPT_2_VALID_F; diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c index a8b9548bd1a2..599340c1f0b8 100644 --- a/drivers/infiniband/hw/cxgb4/device.c +++ b/drivers/infiniband/hw/cxgb4/device.c @@ -242,10 +242,13 @@ static void set_ep_sin6_addrs(struct c4iw_ep *ep, } } -static int dump_qp(struct c4iw_qp *qp, struct c4iw_debugfs_data *qpd) +static int dump_qp(unsigned long id, struct c4iw_qp *qp, + struct c4iw_debugfs_data *qpd) { int space; int cc; + if (id != qp->wq.sq.qid) + return 0; space = qpd->bufsize - qpd->pos - 1; if (space == 0) @@ -350,7 +353,7 @@ static int qp_open(struct inode *inode, struct file *file) xa_lock_irq(&qpd->devp->qps); xa_for_each(&qpd->devp->qps, index, qp) - dump_qp(qp, qpd); + dump_qp(index, qp, qpd); xa_unlock_irq(&qpd->devp->qps); qpd->buf[qpd->pos++] = 0; diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c index aa772ee0706f..35c284af574d 100644 --- a/drivers/infiniband/hw/cxgb4/mem.c +++ b/drivers/infiniband/hw/cxgb4/mem.c @@ -275,13 +275,17 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry, struct sk_buff *skb, struct c4iw_wr_wait *wr_waitp) { int err; - struct fw_ri_tpte tpt; + struct fw_ri_tpte *tpt; u32 stag_idx; static atomic_t key; if (c4iw_fatal_error(rdev)) return -EIO; + tpt = kmalloc(sizeof(*tpt), GFP_KERNEL); + if (!tpt) + return -ENOMEM; + stag_state = stag_state > 0; stag_idx = (*stag) >> 8; @@ -291,6 +295,7 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry, mutex_lock(&rdev->stats.lock); rdev->stats.stag.fail++; mutex_unlock(&rdev->stats.lock); + kfree(tpt); return -ENOMEM; } mutex_lock(&rdev->stats.lock); @@ -305,28 +310,28 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry, /* write TPT entry */ if (reset_tpt_entry) - memset(&tpt, 0, sizeof(tpt)); + memset(tpt, 0, sizeof(*tpt)); else { - tpt.valid_to_pdid = cpu_to_be32(FW_RI_TPTE_VALID_F | + tpt->valid_to_pdid = cpu_to_be32(FW_RI_TPTE_VALID_F | FW_RI_TPTE_STAGKEY_V((*stag & FW_RI_TPTE_STAGKEY_M)) | FW_RI_TPTE_STAGSTATE_V(stag_state) | FW_RI_TPTE_STAGTYPE_V(type) | FW_RI_TPTE_PDID_V(pdid)); - tpt.locread_to_qpid = cpu_to_be32(FW_RI_TPTE_PERM_V(perm) | + tpt->locread_to_qpid = cpu_to_be32(FW_RI_TPTE_PERM_V(perm) | (bind_enabled ? FW_RI_TPTE_MWBINDEN_F : 0) | FW_RI_TPTE_ADDRTYPE_V((zbva ? FW_RI_ZERO_BASED_TO : FW_RI_VA_BASED_TO))| FW_RI_TPTE_PS_V(page_size)); - tpt.nosnoop_pbladdr = !pbl_size ? 0 : cpu_to_be32( + tpt->nosnoop_pbladdr = !pbl_size ? 0 : cpu_to_be32( FW_RI_TPTE_PBLADDR_V(PBL_OFF(rdev, pbl_addr)>>3)); - tpt.len_lo = cpu_to_be32((u32)(len & 0xffffffffUL)); - tpt.va_hi = cpu_to_be32((u32)(to >> 32)); - tpt.va_lo_fbo = cpu_to_be32((u32)(to & 0xffffffffUL)); - tpt.dca_mwbcnt_pstag = cpu_to_be32(0); - tpt.len_hi = cpu_to_be32((u32)(len >> 32)); + tpt->len_lo = cpu_to_be32((u32)(len & 0xffffffffUL)); + tpt->va_hi = cpu_to_be32((u32)(to >> 32)); + tpt->va_lo_fbo = cpu_to_be32((u32)(to & 0xffffffffUL)); + tpt->dca_mwbcnt_pstag = cpu_to_be32(0); + tpt->len_hi = cpu_to_be32((u32)(len >> 32)); } err = write_adapter_mem(rdev, stag_idx + (rdev->lldi.vr->stag.start >> 5), - sizeof(tpt), &tpt, skb, wr_waitp); + sizeof(*tpt), tpt, skb, wr_waitp); if (reset_tpt_entry) { c4iw_put_resource(&rdev->resource.tpt_table, stag_idx); @@ -334,6 +339,7 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry, rdev->stats.stag.cur -= 32; mutex_unlock(&rdev->stats.lock); } + kfree(tpt); return err; } diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index eb9368be28c1..bbcac539777a 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -2737,15 +2737,11 @@ int c4iw_create_srq(struct ib_srq *ib_srq, struct ib_srq_init_attr *attrs, if (CHELSIO_CHIP_VERSION(rhp->rdev.lldi.adapter_type) > CHELSIO_T6) srq->flags = T4_SRQ_LIMIT_SUPPORT; - ret = xa_insert_irq(&rhp->qps, srq->wq.qid, srq, GFP_KERNEL); - if (ret) - goto err_free_queue; - if (udata) { srq_key_mm = kmalloc(sizeof(*srq_key_mm), GFP_KERNEL); if (!srq_key_mm) { ret = -ENOMEM; - goto err_remove_handle; + goto err_free_queue; } srq_db_key_mm = kmalloc(sizeof(*srq_db_key_mm), GFP_KERNEL); if (!srq_db_key_mm) { @@ -2789,8 +2785,6 @@ err_free_srq_db_key_mm: kfree(srq_db_key_mm); err_free_srq_key_mm: kfree(srq_key_mm); -err_remove_handle: - xa_erase_irq(&rhp->qps, srq->wq.qid); err_free_queue: free_srq_queue(srq, ucontext ? &ucontext->uctx : &rhp->rdev.uctx, srq->wr_waitp); @@ -2813,8 +2807,6 @@ void c4iw_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata) rhp = srq->rhp; pr_debug("%s id %d\n", __func__, srq->wq.qid); - - xa_erase_irq(&rhp->qps, srq->wq.qid); ucontext = rdma_udata_to_drv_context(udata, struct c4iw_ucontext, ibucontext); free_srq_queue(srq, ucontext ? &ucontext->uctx : &rhp->rdev.uctx, diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c index 71cb9525c074..26b792bb1027 100644 --- a/drivers/infiniband/hw/hfi1/init.c +++ b/drivers/infiniband/hw/hfi1/init.c @@ -1489,7 +1489,6 @@ static int __init hfi1_mod_init(void) goto bail_dev; } - hfi1_compute_tid_rdma_flow_wt(); /* * These must be called before the driver is registered with * the PCI subsystem. diff --git a/drivers/infiniband/hw/hfi1/pcie.c b/drivers/infiniband/hw/hfi1/pcie.c index 61aa5504d7c3..61362bd6d3ce 100644 --- a/drivers/infiniband/hw/hfi1/pcie.c +++ b/drivers/infiniband/hw/hfi1/pcie.c @@ -319,7 +319,9 @@ int pcie_speeds(struct hfi1_devdata *dd) /* * bus->max_bus_speed is set from the bridge's linkcap Max Link Speed */ - if (parent && dd->pcidev->bus->max_bus_speed != PCIE_SPEED_8_0GT) { + if (parent && + (dd->pcidev->bus->max_bus_speed == PCIE_SPEED_2_5GT || + dd->pcidev->bus->max_bus_speed == PCIE_SPEED_5_0GT)) { dd_dev_info(dd, "Parent PCIe bridge does not support Gen3\n"); dd->link_gen3_capable = 0; } diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c index 513a8aac9ccd..1a3c647675a7 100644 --- a/drivers/infiniband/hw/hfi1/rc.c +++ b/drivers/infiniband/hw/hfi1/rc.c @@ -2209,15 +2209,15 @@ int do_rc_ack(struct rvt_qp *qp, u32 aeth, u32 psn, int opcode, if (qp->s_flags & RVT_S_WAIT_RNR) goto bail_stop; rdi = ib_to_rvt(qp->ibqp.device); - if (qp->s_rnr_retry == 0 && - !((rdi->post_parms[wqe->wr.opcode].flags & - RVT_OPERATION_IGN_RNR_CNT) && - qp->s_rnr_retry_cnt == 0)) { - status = IB_WC_RNR_RETRY_EXC_ERR; - goto class_b; + if (!(rdi->post_parms[wqe->wr.opcode].flags & + RVT_OPERATION_IGN_RNR_CNT)) { + if (qp->s_rnr_retry == 0) { + status = IB_WC_RNR_RETRY_EXC_ERR; + goto class_b; + } + if (qp->s_rnr_retry_cnt < 7 && qp->s_rnr_retry_cnt > 0) + qp->s_rnr_retry--; } - if (qp->s_rnr_retry_cnt < 7 && qp->s_rnr_retry_cnt > 0) - qp->s_rnr_retry--; /* * The last valid PSN is the previous PSN. For TID RDMA WRITE diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c index 2395fd4233a7..c61b6022575e 100644 --- a/drivers/infiniband/hw/hfi1/sdma.c +++ b/drivers/infiniband/hw/hfi1/sdma.c @@ -65,6 +65,7 @@ #define SDMA_DESCQ_CNT 2048 #define SDMA_DESC_INTR 64 #define INVALID_TAIL 0xffff +#define SDMA_PAD max_t(size_t, MAX_16B_PADDING, sizeof(u32)) static uint sdma_descq_cnt = SDMA_DESCQ_CNT; module_param(sdma_descq_cnt, uint, S_IRUGO); @@ -1296,7 +1297,7 @@ void sdma_clean(struct hfi1_devdata *dd, size_t num_engines) struct sdma_engine *sde; if (dd->sdma_pad_dma) { - dma_free_coherent(&dd->pcidev->dev, 4, + dma_free_coherent(&dd->pcidev->dev, SDMA_PAD, (void *)dd->sdma_pad_dma, dd->sdma_pad_phys); dd->sdma_pad_dma = NULL; @@ -1491,7 +1492,7 @@ int sdma_init(struct hfi1_devdata *dd, u8 port) } /* Allocate memory for pad */ - dd->sdma_pad_dma = dma_alloc_coherent(&dd->pcidev->dev, sizeof(u32), + dd->sdma_pad_dma = dma_alloc_coherent(&dd->pcidev->dev, SDMA_PAD, &dd->sdma_pad_phys, GFP_KERNEL); if (!dd->sdma_pad_dma) { dd_dev_err(dd, "failed to allocate SendDMA pad memory\n"); @@ -1526,8 +1527,11 @@ int sdma_init(struct hfi1_devdata *dd, u8 port) } ret = rhashtable_init(tmp_sdma_rht, &sdma_rht_params); - if (ret < 0) + if (ret < 0) { + kfree(tmp_sdma_rht); goto bail; + } + dd->sdma_rht = tmp_sdma_rht; dd_dev_info(dd, "SDMA num_sdma: %u\n", dd->num_sdma); diff --git a/drivers/infiniband/hw/hfi1/tid_rdma.c b/drivers/infiniband/hw/hfi1/tid_rdma.c index b4dcc4d29f84..e53f542b60af 100644 --- a/drivers/infiniband/hw/hfi1/tid_rdma.c +++ b/drivers/infiniband/hw/hfi1/tid_rdma.c @@ -107,8 +107,6 @@ static u32 mask_generation(u32 a) * C - Capcode */ -static u32 tid_rdma_flow_wt; - static void tid_rdma_trigger_resume(struct work_struct *work); static void hfi1_kern_exp_rcv_free_flows(struct tid_rdma_request *req); static int hfi1_kern_exp_rcv_alloc_flows(struct tid_rdma_request *req, @@ -136,6 +134,26 @@ static void update_r_next_psn_fecn(struct hfi1_packet *packet, struct tid_rdma_flow *flow, bool fecn); +static void validate_r_tid_ack(struct hfi1_qp_priv *priv) +{ + if (priv->r_tid_ack == HFI1_QP_WQE_INVALID) + priv->r_tid_ack = priv->r_tid_tail; +} + +static void tid_rdma_schedule_ack(struct rvt_qp *qp) +{ + struct hfi1_qp_priv *priv = qp->priv; + + priv->s_flags |= RVT_S_ACK_PENDING; + hfi1_schedule_tid_send(qp); +} + +static void tid_rdma_trigger_ack(struct rvt_qp *qp) +{ + validate_r_tid_ack(qp->priv); + tid_rdma_schedule_ack(qp); +} + static u64 tid_rdma_opfn_encode(struct tid_rdma_params *p) { return @@ -2736,11 +2754,6 @@ static bool handle_read_kdeth_eflags(struct hfi1_ctxtdata *rcd, diff = cmp_psn(psn, flow->flow_state.r_next_psn); if (diff > 0) { - if (!(qp->r_flags & RVT_R_RDMAR_SEQ)) - restart_tid_rdma_read_req(rcd, - qp, - wqe); - /* Drop the packet.*/ goto s_unlock; } else if (diff < 0) { @@ -3010,10 +3023,7 @@ nak_psn: qpriv->s_nak_state = IB_NAK_PSN_ERROR; /* We are NAK'ing the next expected PSN */ qpriv->s_nak_psn = mask_psn(flow->flow_state.r_next_psn); - qpriv->s_flags |= RVT_S_ACK_PENDING; - if (qpriv->r_tid_ack == HFI1_QP_WQE_INVALID) - qpriv->r_tid_ack = qpriv->r_tid_tail; - hfi1_schedule_tid_send(qp); + tid_rdma_trigger_ack(qp); } goto unlock; } @@ -3376,18 +3386,17 @@ u32 hfi1_build_tid_rdma_write_req(struct rvt_qp *qp, struct rvt_swqe *wqe, return sizeof(ohdr->u.tid_rdma.w_req) / sizeof(u32); } -void hfi1_compute_tid_rdma_flow_wt(void) +static u32 hfi1_compute_tid_rdma_flow_wt(struct rvt_qp *qp) { /* * Heuristic for computing the RNR timeout when waiting on the flow * queue. Rather than a computationaly expensive exact estimate of when * a flow will be available, we assume that if a QP is at position N in * the flow queue it has to wait approximately (N + 1) * (number of - * segments between two sync points), assuming PMTU of 4K. The rationale - * for this is that flows are released and recycled at each sync point. + * segments between two sync points). The rationale for this is that + * flows are released and recycled at each sync point. */ - tid_rdma_flow_wt = MAX_TID_FLOW_PSN * enum_to_mtu(OPA_MTU_4096) / - TID_RDMA_MAX_SEGMENT_SIZE; + return (MAX_TID_FLOW_PSN * qp->pmtu) >> TID_RDMA_SEGMENT_SHIFT; } static u32 position_in_queue(struct hfi1_qp_priv *qpriv, @@ -3510,7 +3519,7 @@ static void hfi1_tid_write_alloc_resources(struct rvt_qp *qp, bool intr_ctx) if (qpriv->flow_state.index >= RXE_NUM_TID_FLOWS) { ret = hfi1_kern_setup_hw_flow(qpriv->rcd, qp); if (ret) { - to_seg = tid_rdma_flow_wt * + to_seg = hfi1_compute_tid_rdma_flow_wt(qp) * position_in_queue(qpriv, &rcd->flow_queue); break; @@ -3531,7 +3540,7 @@ static void hfi1_tid_write_alloc_resources(struct rvt_qp *qp, bool intr_ctx) /* * If overtaking req->acked_tail, send an RNR NAK. Because the * QP is not queued in this case, and the issue can only be - * caused due a delay in scheduling the second leg which we + * caused by a delay in scheduling the second leg which we * cannot estimate, we use a rather arbitrary RNR timeout of * (MAX_FLOWS / 2) segments */ @@ -3539,8 +3548,7 @@ static void hfi1_tid_write_alloc_resources(struct rvt_qp *qp, bool intr_ctx) MAX_FLOWS)) { ret = -EAGAIN; to_seg = MAX_FLOWS >> 1; - qpriv->s_flags |= RVT_S_ACK_PENDING; - hfi1_schedule_tid_send(qp); + tid_rdma_trigger_ack(qp); break; } @@ -4340,8 +4348,7 @@ void hfi1_rc_rcv_tid_rdma_write_data(struct hfi1_packet *packet) trace_hfi1_tid_req_rcv_write_data(qp, 0, e->opcode, e->psn, e->lpsn, req); trace_hfi1_tid_write_rsp_rcv_data(qp); - if (priv->r_tid_ack == HFI1_QP_WQE_INVALID) - priv->r_tid_ack = priv->r_tid_tail; + validate_r_tid_ack(priv); if (opcode == TID_OP(WRITE_DATA_LAST)) { release_rdma_sge_mr(e); @@ -4380,8 +4387,7 @@ void hfi1_rc_rcv_tid_rdma_write_data(struct hfi1_packet *packet) } done: - priv->s_flags |= RVT_S_ACK_PENDING; - hfi1_schedule_tid_send(qp); + tid_rdma_schedule_ack(qp); exit: priv->r_next_psn_kdeth = flow->flow_state.r_next_psn; if (fecn) @@ -4393,10 +4399,7 @@ send_nak: if (!priv->s_nak_state) { priv->s_nak_state = IB_NAK_PSN_ERROR; priv->s_nak_psn = flow->flow_state.r_next_psn; - priv->s_flags |= RVT_S_ACK_PENDING; - if (priv->r_tid_ack == HFI1_QP_WQE_INVALID) - priv->r_tid_ack = priv->r_tid_tail; - hfi1_schedule_tid_send(qp); + tid_rdma_trigger_ack(qp); } goto done; } @@ -4944,8 +4947,7 @@ void hfi1_rc_rcv_tid_rdma_resync(struct hfi1_packet *packet) qpriv->resync = true; /* RESYNC request always gets a TID RDMA ACK. */ qpriv->s_nak_state = 0; - qpriv->s_flags |= RVT_S_ACK_PENDING; - hfi1_schedule_tid_send(qp); + tid_rdma_trigger_ack(qp); bail: if (fecn) qp->s_flags |= RVT_S_ECN; diff --git a/drivers/infiniband/hw/hfi1/tid_rdma.h b/drivers/infiniband/hw/hfi1/tid_rdma.h index 1c536185261e..6e82df2190b7 100644 --- a/drivers/infiniband/hw/hfi1/tid_rdma.h +++ b/drivers/infiniband/hw/hfi1/tid_rdma.h @@ -17,6 +17,7 @@ #define TID_RDMA_MIN_SEGMENT_SIZE BIT(18) /* 256 KiB (for now) */ #define TID_RDMA_MAX_SEGMENT_SIZE BIT(18) /* 256 KiB (for now) */ #define TID_RDMA_MAX_PAGES (BIT(18) >> PAGE_SHIFT) +#define TID_RDMA_SEGMENT_SHIFT 18 /* * Bit definitions for priv->s_flags. @@ -274,8 +275,6 @@ u32 hfi1_build_tid_rdma_write_req(struct rvt_qp *qp, struct rvt_swqe *wqe, struct ib_other_headers *ohdr, u32 *bth1, u32 *bth2, u32 *len); -void hfi1_compute_tid_rdma_flow_wt(void); - void hfi1_rc_rcv_tid_rdma_write_req(struct hfi1_packet *packet); u32 hfi1_build_tid_rdma_write_resp(struct rvt_qp *qp, struct rvt_ack_entry *e, diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c index 7bff0a1e713d..089e201d7550 100644 --- a/drivers/infiniband/hw/hfi1/verbs.c +++ b/drivers/infiniband/hw/hfi1/verbs.c @@ -147,9 +147,6 @@ static int pio_wait(struct rvt_qp *qp, /* Length of buffer to create verbs txreq cache name */ #define TXREQ_NAME_LEN 24 -/* 16B trailing buffer */ -static const u8 trail_buf[MAX_16B_PADDING]; - static uint wss_threshold = 80; module_param(wss_threshold, uint, S_IRUGO); MODULE_PARM_DESC(wss_threshold, "Percentage (1-100) of LLC to use as a threshold for a cacheless copy"); @@ -820,8 +817,8 @@ static int build_verbs_tx_desc( /* add icrc, lt byte, and padding to flit */ if (extra_bytes) - ret = sdma_txadd_kvaddr(sde->dd, &tx->txreq, - (void *)trail_buf, extra_bytes); + ret = sdma_txadd_daddr(sde->dd, &tx->txreq, + sde->dd->sdma_pad_phys, extra_bytes); bail_txadd: return ret; @@ -1089,7 +1086,8 @@ int hfi1_verbs_send_pio(struct rvt_qp *qp, struct hfi1_pkt_state *ps, } /* add icrc, lt byte, and padding to flit */ if (extra_bytes) - seg_pio_copy_mid(pbuf, trail_buf, extra_bytes); + seg_pio_copy_mid(pbuf, ppd->dd->sdma_pad_dma, + extra_bytes); seg_pio_copy_end(pbuf); } diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.h b/drivers/infiniband/hw/hns/hns_roce_hem.h index 86783276fb1f..3bb8f78fb7b0 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hem.h +++ b/drivers/infiniband/hw/hns/hns_roce_hem.h @@ -59,7 +59,7 @@ enum { #define HNS_ROCE_HEM_CHUNK_LEN \ ((256 - sizeof(struct list_head) - 2 * sizeof(int)) / \ - (sizeof(struct scatterlist))) + (sizeof(struct scatterlist) + sizeof(void *))) #define check_whether_bt_num_3(type, hop_num) \ (type < HEM_TYPE_MTT && hop_num == 2) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 7a89d669f8bf..e82567fcdeb7 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -5389,9 +5389,9 @@ static void hns_roce_v2_free_eq(struct hns_roce_dev *hr_dev, return; } - if (eq->buf_list) - dma_free_coherent(hr_dev->dev, buf_chk_sz, - eq->buf_list->buf, eq->buf_list->map); + dma_free_coherent(hr_dev->dev, buf_chk_sz, eq->buf_list->buf, + eq->buf_list->map); + kfree(eq->buf_list); } static void hns_roce_config_eqc(struct hns_roce_dev *hr_dev, diff --git a/drivers/infiniband/hw/hns/hns_roce_srq.c b/drivers/infiniband/hw/hns/hns_roce_srq.c index 9591457eb768..43ea2c13b212 100644 --- a/drivers/infiniband/hw/hns/hns_roce_srq.c +++ b/drivers/infiniband/hw/hns/hns_roce_srq.c @@ -376,7 +376,7 @@ int hns_roce_create_srq(struct ib_srq *ib_srq, srq->max = roundup_pow_of_two(srq_init_attr->attr.max_wr + 1); srq->max_gs = srq_init_attr->attr.max_sge; - srq_desc_size = max(16, 16 * srq->max_gs); + srq_desc_size = roundup_pow_of_two(max(16, 16 * srq->max_gs)); srq->wqe_shift = ilog2(srq_desc_size); diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c index 8056930bbe2c..cd9ee1664a69 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c +++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c @@ -2773,6 +2773,10 @@ int i40iw_register_rdma_device(struct i40iw_device *iwdev) return -ENOMEM; iwibdev = iwdev->iwibdev; rdma_set_device_sysfs_group(&iwibdev->ibdev, &i40iw_attr_group); + ret = ib_device_set_netdev(&iwibdev->ibdev, iwdev->netdev, 1); + if (ret) + goto error; + ret = ib_register_device(&iwibdev->ibdev, "i40iw%d"); if (ret) goto error; diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c index 59022b744144..d609f4659afb 100644 --- a/drivers/infiniband/hw/mlx5/devx.c +++ b/drivers/infiniband/hw/mlx5/devx.c @@ -1298,29 +1298,6 @@ static int devx_handle_mkey_create(struct mlx5_ib_dev *dev, return 0; } -static void devx_free_indirect_mkey(struct rcu_head *rcu) -{ - kfree(container_of(rcu, struct devx_obj, devx_mr.rcu)); -} - -/* This function to delete from the radix tree needs to be called before - * destroying the underlying mkey. Otherwise a race might occur in case that - * other thread will get the same mkey before this one will be deleted, - * in that case it will fail via inserting to the tree its own data. - * - * Note: - * An error in the destroy is not expected unless there is some other indirect - * mkey which points to this one. In a kernel cleanup flow it will be just - * destroyed in the iterative destruction call. In a user flow, in case - * the application didn't close in the expected order it's its own problem, - * the mkey won't be part of the tree, in both cases the kernel is safe. - */ -static void devx_cleanup_mkey(struct devx_obj *obj) -{ - xa_erase(&obj->ib_dev->mdev->priv.mkey_table, - mlx5_base_mkey(obj->devx_mr.mmkey.key)); -} - static void devx_cleanup_subscription(struct mlx5_ib_dev *dev, struct devx_event_subscription *sub) { @@ -1362,8 +1339,16 @@ static int devx_obj_cleanup(struct ib_uobject *uobject, int ret; dev = mlx5_udata_to_mdev(&attrs->driver_udata); - if (obj->flags & DEVX_OBJ_FLAGS_INDIRECT_MKEY) - devx_cleanup_mkey(obj); + if (obj->flags & DEVX_OBJ_FLAGS_INDIRECT_MKEY) { + /* + * The pagefault_single_data_segment() does commands against + * the mmkey, we must wait for that to stop before freeing the + * mkey, as another allocation could get the same mkey #. + */ + xa_erase(&obj->ib_dev->mdev->priv.mkey_table, + mlx5_base_mkey(obj->devx_mr.mmkey.key)); + synchronize_srcu(&dev->mr_srcu); + } if (obj->flags & DEVX_OBJ_FLAGS_DCT) ret = mlx5_core_destroy_dct(obj->ib_dev->mdev, &obj->core_dct); @@ -1382,12 +1367,6 @@ static int devx_obj_cleanup(struct ib_uobject *uobject, devx_cleanup_subscription(dev, sub_entry); mutex_unlock(&devx_event_table->event_xa_lock); - if (obj->flags & DEVX_OBJ_FLAGS_INDIRECT_MKEY) { - call_srcu(&dev->mr_srcu, &obj->devx_mr.rcu, - devx_free_indirect_mkey); - return ret; - } - kfree(obj); return ret; } @@ -1491,26 +1470,21 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_CREATE)( &obj_id); WARN_ON(obj->dinlen > MLX5_MAX_DESTROY_INBOX_SIZE_DW * sizeof(u32)); - if (obj->flags & DEVX_OBJ_FLAGS_INDIRECT_MKEY) { - err = devx_handle_mkey_indirect(obj, dev, cmd_in, cmd_out); - if (err) - goto obj_destroy; - } - err = uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_OUT, cmd_out, cmd_out_len); if (err) - goto err_copy; + goto obj_destroy; if (opcode == MLX5_CMD_OP_CREATE_GENERAL_OBJECT) obj_type = MLX5_GET(general_obj_in_cmd_hdr, cmd_in, obj_type); - obj->obj_id = get_enc_obj_id(opcode | obj_type << 16, obj_id); + if (obj->flags & DEVX_OBJ_FLAGS_INDIRECT_MKEY) { + err = devx_handle_mkey_indirect(obj, dev, cmd_in, cmd_out); + if (err) + goto obj_destroy; + } return 0; -err_copy: - if (obj->flags & DEVX_OBJ_FLAGS_INDIRECT_MKEY) - devx_cleanup_mkey(obj); obj_destroy: if (obj->flags & DEVX_OBJ_FLAGS_DCT) mlx5_core_destroy_dct(obj->ib_dev->mdev, &obj->core_dct); diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 2ceaef3ea3fb..1a98ee2e01c4 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -606,7 +606,7 @@ struct mlx5_ib_mr { struct mlx5_ib_dev *dev; u32 out[MLX5_ST_SZ_DW(create_mkey_out)]; struct mlx5_core_sig_ctx *sig; - int live; + unsigned int live; void *descs_alloc; int access_flags; /* Needed for rereg MR */ @@ -639,7 +639,6 @@ struct mlx5_ib_mw { struct mlx5_ib_devx_mr { struct mlx5_core_mkey mmkey; int ndescs; - struct rcu_head rcu; }; struct mlx5_ib_umr_context { diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index 1eff031ef048..7019c12005f4 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -84,32 +84,6 @@ static bool use_umr_mtt_update(struct mlx5_ib_mr *mr, u64 start, u64 length) length + (start & (MLX5_ADAPTER_PAGE_SIZE - 1)); } -static void update_odp_mr(struct mlx5_ib_mr *mr) -{ - if (is_odp_mr(mr)) { - /* - * This barrier prevents the compiler from moving the - * setting of umem->odp_data->private to point to our - * MR, before reg_umr finished, to ensure that the MR - * initialization have finished before starting to - * handle invalidations. - */ - smp_wmb(); - to_ib_umem_odp(mr->umem)->private = mr; - /* - * Make sure we will see the new - * umem->odp_data->private value in the invalidation - * routines, before we can get page faults on the - * MR. Page faults can happen once we put the MR in - * the tree, below this line. Without the barrier, - * there can be a fault handling and an invalidation - * before umem->odp_data->private == mr is visible to - * the invalidation handler. - */ - smp_wmb(); - } -} - static void reg_mr_callback(int status, struct mlx5_async_work *context) { struct mlx5_ib_mr *mr = @@ -1346,8 +1320,6 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, mr->umem = umem; set_mr_fields(dev, mr, npages, length, access_flags); - update_odp_mr(mr); - if (use_umr) { int update_xlt_flags = MLX5_IB_UPD_XLT_ENABLE; @@ -1363,10 +1335,12 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, } } - if (IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING)) { - mr->live = 1; + if (is_odp_mr(mr)) { + to_ib_umem_odp(mr->umem)->private = mr; atomic_set(&mr->num_pending_prefetch, 0); } + if (IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING)) + smp_store_release(&mr->live, 1); return &mr->ibmr; error: @@ -1441,6 +1415,9 @@ int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start, if (!mr->umem) return -EINVAL; + if (is_odp_mr(mr)) + return -EOPNOTSUPP; + if (flags & IB_MR_REREG_TRANS) { addr = virt_addr; len = length; @@ -1486,8 +1463,6 @@ int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start, } mr->allocated_from_cache = 0; - if (IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING)) - mr->live = 1; } else { /* * Send a UMR WQE @@ -1516,7 +1491,6 @@ int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start, set_mr_fields(dev, mr, npages, len, access_flags); - update_odp_mr(mr); return 0; err: @@ -1607,15 +1581,16 @@ static void dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) /* Prevent new page faults and * prefetch requests from succeeding */ - mr->live = 0; + WRITE_ONCE(mr->live, 0); + + /* Wait for all running page-fault handlers to finish. */ + synchronize_srcu(&dev->mr_srcu); /* dequeue pending prefetch requests for the mr */ if (atomic_read(&mr->num_pending_prefetch)) flush_workqueue(system_unbound_wq); WARN_ON(atomic_read(&mr->num_pending_prefetch)); - /* Wait for all running page-fault handlers to finish. */ - synchronize_srcu(&dev->mr_srcu); /* Destroy all page mappings */ if (!umem_odp->is_implicit_odp) mlx5_ib_invalidate_range(umem_odp, @@ -1987,14 +1962,25 @@ free: int mlx5_ib_dealloc_mw(struct ib_mw *mw) { + struct mlx5_ib_dev *dev = to_mdev(mw->device); struct mlx5_ib_mw *mmw = to_mmw(mw); int err; - err = mlx5_core_destroy_mkey((to_mdev(mw->device))->mdev, - &mmw->mmkey); - if (!err) - kfree(mmw); - return err; + if (IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING)) { + xa_erase_irq(&dev->mdev->priv.mkey_table, + mlx5_base_mkey(mmw->mmkey.key)); + /* + * pagefault_single_data_segment() may be accessing mmw under + * SRCU if the user bound an ODP MR to this MW. + */ + synchronize_srcu(&dev->mr_srcu); + } + + err = mlx5_core_destroy_mkey(dev->mdev, &mmw->mmkey); + if (err) + return err; + kfree(mmw); + return 0; } int mlx5_ib_check_mr_status(struct ib_mr *ibmr, u32 check_mask, diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c index 2e9b43061797..3f9478d19376 100644 --- a/drivers/infiniband/hw/mlx5/odp.c +++ b/drivers/infiniband/hw/mlx5/odp.c @@ -178,6 +178,29 @@ void mlx5_odp_populate_klm(struct mlx5_klm *pklm, size_t offset, return; } + /* + * The locking here is pretty subtle. Ideally the implicit children + * list would be protected by the umem_mutex, however that is not + * possible. Instead this uses a weaker update-then-lock pattern: + * + * srcu_read_lock() + * <change children list> + * mutex_lock(umem_mutex) + * mlx5_ib_update_xlt() + * mutex_unlock(umem_mutex) + * destroy lkey + * + * ie any change the children list must be followed by the locked + * update_xlt before destroying. + * + * The umem_mutex provides the acquire/release semantic needed to make + * the children list visible to a racing thread. While SRCU is not + * technically required, using it gives consistent use of the SRCU + * locking around the children list. + */ + lockdep_assert_held(&to_ib_umem_odp(mr->umem)->umem_mutex); + lockdep_assert_held(&mr->dev->mr_srcu); + odp = odp_lookup(offset * MLX5_IMR_MTT_SIZE, nentries * MLX5_IMR_MTT_SIZE, mr); @@ -202,15 +225,22 @@ static void mr_leaf_free_action(struct work_struct *work) struct ib_umem_odp *odp = container_of(work, struct ib_umem_odp, work); int idx = ib_umem_start(odp) >> MLX5_IMR_MTT_SHIFT; struct mlx5_ib_mr *mr = odp->private, *imr = mr->parent; + struct ib_umem_odp *odp_imr = to_ib_umem_odp(imr->umem); + int srcu_key; mr->parent = NULL; synchronize_srcu(&mr->dev->mr_srcu); - ib_umem_odp_release(odp); - if (imr->live) + if (smp_load_acquire(&imr->live)) { + srcu_key = srcu_read_lock(&mr->dev->mr_srcu); + mutex_lock(&odp_imr->umem_mutex); mlx5_ib_update_xlt(imr, idx, 1, 0, MLX5_IB_UPD_XLT_INDIRECT | MLX5_IB_UPD_XLT_ATOMIC); + mutex_unlock(&odp_imr->umem_mutex); + srcu_read_unlock(&mr->dev->mr_srcu, srcu_key); + } + ib_umem_odp_release(odp); mlx5_mr_cache_free(mr->dev, mr); if (atomic_dec_and_test(&imr->num_leaf_free)) @@ -278,7 +308,6 @@ void mlx5_ib_invalidate_range(struct ib_umem_odp *umem_odp, unsigned long start, idx - blk_start_idx + 1, 0, MLX5_IB_UPD_XLT_ZAP | MLX5_IB_UPD_XLT_ATOMIC); - mutex_unlock(&umem_odp->umem_mutex); /* * We are now sure that the device will not access the * memory. We can safely unmap it, and mark it as dirty if @@ -289,10 +318,12 @@ void mlx5_ib_invalidate_range(struct ib_umem_odp *umem_odp, unsigned long start, if (unlikely(!umem_odp->npages && mr->parent && !umem_odp->dying)) { - WRITE_ONCE(umem_odp->dying, 1); + WRITE_ONCE(mr->live, 0); + umem_odp->dying = 1; atomic_inc(&mr->parent->num_leaf_free); schedule_work(&umem_odp->work); } + mutex_unlock(&umem_odp->umem_mutex); } void mlx5_ib_internal_fill_odp_caps(struct mlx5_ib_dev *dev) @@ -429,8 +460,6 @@ static struct mlx5_ib_mr *implicit_mr_alloc(struct ib_pd *pd, mr->ibmr.lkey = mr->mmkey.key; mr->ibmr.rkey = mr->mmkey.key; - mr->live = 1; - mlx5_ib_dbg(dev, "key %x dev %p mr %p\n", mr->mmkey.key, dev->mdev, mr); @@ -484,6 +513,8 @@ next_mr: mtt->parent = mr; INIT_WORK(&odp->work, mr_leaf_free_action); + smp_store_release(&mtt->live, 1); + if (!nentries) start_idx = addr >> MLX5_IMR_MTT_SHIFT; nentries++; @@ -536,6 +567,7 @@ struct mlx5_ib_mr *mlx5_ib_alloc_implicit_mr(struct mlx5_ib_pd *pd, init_waitqueue_head(&imr->q_leaf_free); atomic_set(&imr->num_leaf_free, 0); atomic_set(&imr->num_pending_prefetch, 0); + smp_store_release(&imr->live, 1); return imr; } @@ -555,15 +587,19 @@ void mlx5_ib_free_implicit_mr(struct mlx5_ib_mr *imr) if (mr->parent != imr) continue; + mutex_lock(&umem_odp->umem_mutex); ib_umem_odp_unmap_dma_pages(umem_odp, ib_umem_start(umem_odp), ib_umem_end(umem_odp)); - if (umem_odp->dying) + if (umem_odp->dying) { + mutex_unlock(&umem_odp->umem_mutex); continue; + } - WRITE_ONCE(umem_odp->dying, 1); + umem_odp->dying = 1; atomic_inc(&imr->num_leaf_free); schedule_work(&umem_odp->work); + mutex_unlock(&umem_odp->umem_mutex); } up_read(&per_mm->umem_rwsem); @@ -773,7 +809,7 @@ next_mr: switch (mmkey->type) { case MLX5_MKEY_MR: mr = container_of(mmkey, struct mlx5_ib_mr, mmkey); - if (!mr->live || !mr->ibmr.pd) { + if (!smp_load_acquire(&mr->live) || !mr->ibmr.pd) { mlx5_ib_dbg(dev, "got dead MR\n"); ret = -EFAULT; goto srcu_unlock; @@ -1641,12 +1677,12 @@ static bool num_pending_prefetch_inc(struct ib_pd *pd, mr = container_of(mmkey, struct mlx5_ib_mr, mmkey); - if (mr->ibmr.pd != pd) { + if (!smp_load_acquire(&mr->live)) { ret = false; break; } - if (!mr->live) { + if (mr->ibmr.pd != pd) { ret = false; break; } diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 8937d72ddcf6..5fd071c05944 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -3249,10 +3249,12 @@ static int modify_raw_packet_qp_sq( } /* Only remove the old rate after new rate was set */ - if ((old_rl.rate && - !mlx5_rl_are_equal(&old_rl, &new_rl)) || - (new_state != MLX5_SQC_STATE_RDY)) + if ((old_rl.rate && !mlx5_rl_are_equal(&old_rl, &new_rl)) || + (new_state != MLX5_SQC_STATE_RDY)) { mlx5_rl_remove_rate(dev, &old_rl); + if (new_state != MLX5_SQC_STATE_RDY) + memset(&new_rl, 0, sizeof(new_rl)); + } ibqp->rl = new_rl; sq->state = new_state; diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c index 5136b835e1ba..dc71b6e16a07 100644 --- a/drivers/infiniband/hw/qedr/main.c +++ b/drivers/infiniband/hw/qedr/main.c @@ -76,7 +76,7 @@ static void qedr_get_dev_fw_str(struct ib_device *ibdev, char *str) struct qedr_dev *qedr = get_qedr_dev(ibdev); u32 fw_ver = (u32)qedr->attr.fw_ver; - snprintf(str, IB_FW_VERSION_NAME_MAX, "%d. %d. %d. %d", + snprintf(str, IB_FW_VERSION_NAME_MAX, "%d.%d.%d.%d", (fw_ver >> 24) & 0xFF, (fw_ver >> 16) & 0xFF, (fw_ver >> 8) & 0xFF, fw_ver & 0xFF); } diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c index 6cac0c88cf39..36cdfbdbd325 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c @@ -230,8 +230,6 @@ static void pvrdma_free_srq(struct pvrdma_dev *dev, struct pvrdma_srq *srq) pvrdma_page_dir_cleanup(dev, &srq->pdir); - kfree(srq); - atomic_dec(&dev->num_srqs); } diff --git a/drivers/infiniband/sw/siw/siw_qp.c b/drivers/infiniband/sw/siw/siw_qp.c index 430314c8abd9..b4317480cee7 100644 --- a/drivers/infiniband/sw/siw/siw_qp.c +++ b/drivers/infiniband/sw/siw/siw_qp.c @@ -182,12 +182,19 @@ void siw_qp_llp_close(struct siw_qp *qp) */ void siw_qp_llp_write_space(struct sock *sk) { - struct siw_cep *cep = sk_to_cep(sk); + struct siw_cep *cep; - cep->sk_write_space(sk); + read_lock(&sk->sk_callback_lock); + + cep = sk_to_cep(sk); + if (cep) { + cep->sk_write_space(sk); - if (!test_bit(SOCK_NOSPACE, &sk->sk_socket->flags)) - (void)siw_sq_start(cep->qp); + if (!test_bit(SOCK_NOSPACE, &sk->sk_socket->flags)) + (void)siw_sq_start(cep->qp); + } + + read_unlock(&sk->sk_callback_lock); } static int siw_qp_readq_init(struct siw_qp *qp, int irq_size, int orq_size) @@ -1305,6 +1312,7 @@ int siw_qp_add(struct siw_device *sdev, struct siw_qp *qp) void siw_free_qp(struct kref *ref) { struct siw_qp *found, *qp = container_of(ref, struct siw_qp, ref); + struct siw_base_qp *siw_base_qp = to_siw_base_qp(qp->ib_qp); struct siw_device *sdev = qp->sdev; unsigned long flags; @@ -1327,4 +1335,5 @@ void siw_free_qp(struct kref *ref) atomic_dec(&sdev->num_qp); siw_dbg_qp(qp, "free QP\n"); kfree_rcu(qp, rcu); + kfree(siw_base_qp); } diff --git a/drivers/infiniband/sw/siw/siw_verbs.c b/drivers/infiniband/sw/siw/siw_verbs.c index 869e02b69a01..b18a677832e1 100644 --- a/drivers/infiniband/sw/siw/siw_verbs.c +++ b/drivers/infiniband/sw/siw/siw_verbs.c @@ -604,7 +604,6 @@ out: int siw_destroy_qp(struct ib_qp *base_qp, struct ib_udata *udata) { struct siw_qp *qp = to_siw_qp(base_qp); - struct siw_base_qp *siw_base_qp = to_siw_base_qp(base_qp); struct siw_ucontext *uctx = rdma_udata_to_drv_context(udata, struct siw_ucontext, base_ucontext); @@ -641,7 +640,6 @@ int siw_destroy_qp(struct ib_qp *base_qp, struct ib_udata *udata) qp->scq = qp->rcq = NULL; siw_qp_put(qp); - kfree(siw_base_qp); return 0; } diff --git a/drivers/input/ff-memless.c b/drivers/input/ff-memless.c index 1cb40c7475af..8229a9006917 100644 --- a/drivers/input/ff-memless.c +++ b/drivers/input/ff-memless.c @@ -489,6 +489,15 @@ static void ml_ff_destroy(struct ff_device *ff) { struct ml_device *ml = ff->private; + /* + * Even though we stop all playing effects when tearing down + * an input device (via input_device_flush() that calls into + * input_ff_flush() that stops and erases all effects), we + * do not actually stop the timer, and therefore we should + * do it here. + */ + del_timer_sync(&ml->timer); + kfree(ml->private); } diff --git a/drivers/input/misc/da9063_onkey.c b/drivers/input/misc/da9063_onkey.c index dace8577fa43..79851923ee57 100644 --- a/drivers/input/misc/da9063_onkey.c +++ b/drivers/input/misc/da9063_onkey.c @@ -232,10 +232,7 @@ static int da9063_onkey_probe(struct platform_device *pdev) onkey->input->phys = onkey->phys; onkey->input->dev.parent = &pdev->dev; - if (onkey->key_power) - input_set_capability(onkey->input, EV_KEY, KEY_POWER); - - input_set_capability(onkey->input, EV_KEY, KEY_SLEEP); + input_set_capability(onkey->input, EV_KEY, KEY_POWER); INIT_DELAYED_WORK(&onkey->work, da9063_poll_on); diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c index 97e3639e99d0..08520b3a18b8 100644 --- a/drivers/input/misc/soc_button_array.c +++ b/drivers/input/misc/soc_button_array.c @@ -92,11 +92,18 @@ soc_button_device_create(struct platform_device *pdev, continue; gpio = soc_button_lookup_gpio(&pdev->dev, info->acpi_index); - if (gpio < 0 && gpio != -ENOENT) { - error = gpio; - goto err_free_mem; - } else if (!gpio_is_valid(gpio)) { - /* Skip GPIO if not present */ + if (!gpio_is_valid(gpio)) { + /* + * Skip GPIO if not present. Note we deliberately + * ignore -EPROBE_DEFER errors here. On some devices + * Intel is using so called virtual GPIOs which are not + * GPIOs at all but some way for AML code to check some + * random status bits without need a custom opregion. + * In some cases the resources table we parse points to + * such a virtual GPIO, since these are not real GPIOs + * we do not have a driver for these so they will never + * show up, therefore we ignore -EPROBE_DEFER. + */ continue; } diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 04fe43440a3c..2d8434b7b623 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1827,31 +1827,6 @@ static int elantech_create_smbus(struct psmouse *psmouse, leave_breadcrumbs); } -static bool elantech_use_host_notify(struct psmouse *psmouse, - struct elantech_device_info *info) -{ - if (ETP_NEW_IC_SMBUS_HOST_NOTIFY(info->fw_version)) - return true; - - switch (info->bus) { - case ETP_BUS_PS2_ONLY: - /* expected case */ - break; - case ETP_BUS_SMB_HST_NTFY_ONLY: - case ETP_BUS_PS2_SMB_HST_NTFY: - /* SMbus implementation is stable since 2018 */ - if (dmi_get_bios_year() >= 2018) - return true; - /* fall through */ - default: - psmouse_dbg(psmouse, - "Ignoring SMBus bus provider %d\n", info->bus); - break; - } - - return false; -} - /** * elantech_setup_smbus - called once the PS/2 devices are enumerated * and decides to instantiate a SMBus InterTouch device. @@ -1871,7 +1846,7 @@ static int elantech_setup_smbus(struct psmouse *psmouse, * i2c_blacklist_pnp_ids. * Old ICs are up to the user to decide. */ - if (!elantech_use_host_notify(psmouse, info) || + if (!ETP_NEW_IC_SMBUS_HOST_NOTIFY(info->fw_version) || psmouse_matches_pnp_id(psmouse, i2c_blacklist_pnp_ids)) return -ENXIO; } @@ -1891,6 +1866,34 @@ static int elantech_setup_smbus(struct psmouse *psmouse, return 0; } +static bool elantech_use_host_notify(struct psmouse *psmouse, + struct elantech_device_info *info) +{ + if (ETP_NEW_IC_SMBUS_HOST_NOTIFY(info->fw_version)) + return true; + + switch (info->bus) { + case ETP_BUS_PS2_ONLY: + /* expected case */ + break; + case ETP_BUS_SMB_ALERT_ONLY: + /* fall-through */ + case ETP_BUS_PS2_SMB_ALERT: + psmouse_dbg(psmouse, "Ignoring SMBus provider through alert protocol.\n"); + break; + case ETP_BUS_SMB_HST_NTFY_ONLY: + /* fall-through */ + case ETP_BUS_PS2_SMB_HST_NTFY: + return true; + default: + psmouse_dbg(psmouse, + "Ignoring SMBus bus provider %d.\n", + info->bus); + } + + return false; +} + int elantech_init_smbus(struct psmouse *psmouse) { struct elantech_device_info info; diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c index 772493b1f665..190b9974526b 100644 --- a/drivers/input/rmi4/rmi_driver.c +++ b/drivers/input/rmi4/rmi_driver.c @@ -146,7 +146,7 @@ static int rmi_process_interrupt_requests(struct rmi_device *rmi_dev) } mutex_lock(&data->irq_mutex); - bitmap_and(data->irq_status, data->irq_status, data->current_irq_mask, + bitmap_and(data->irq_status, data->irq_status, data->fn_irq_bits, data->irq_count); /* * At this point, irq_status has all bits that are set in the @@ -385,6 +385,8 @@ static int rmi_driver_set_irq_bits(struct rmi_device *rmi_dev, bitmap_copy(data->current_irq_mask, data->new_irq_mask, data->num_of_irq_regs); + bitmap_or(data->fn_irq_bits, data->fn_irq_bits, mask, data->irq_count); + error_unlock: mutex_unlock(&data->irq_mutex); return error; @@ -398,6 +400,8 @@ static int rmi_driver_clear_irq_bits(struct rmi_device *rmi_dev, struct device *dev = &rmi_dev->dev; mutex_lock(&data->irq_mutex); + bitmap_andnot(data->fn_irq_bits, + data->fn_irq_bits, mask, data->irq_count); bitmap_andnot(data->new_irq_mask, data->current_irq_mask, mask, data->irq_count); diff --git a/drivers/input/rmi4/rmi_f11.c b/drivers/input/rmi4/rmi_f11.c index f28a7158b2ef..bbf9ae9f3f0c 100644 --- a/drivers/input/rmi4/rmi_f11.c +++ b/drivers/input/rmi4/rmi_f11.c @@ -510,7 +510,6 @@ struct f11_data { struct rmi_2d_sensor_platform_data sensor_pdata; unsigned long *abs_mask; unsigned long *rel_mask; - unsigned long *result_bits; }; enum f11_finger_state { @@ -1057,7 +1056,7 @@ static int rmi_f11_initialize(struct rmi_function *fn) /* ** init instance data, fill in values and create any sysfs files */ - f11 = devm_kzalloc(&fn->dev, sizeof(struct f11_data) + mask_size * 3, + f11 = devm_kzalloc(&fn->dev, sizeof(struct f11_data) + mask_size * 2, GFP_KERNEL); if (!f11) return -ENOMEM; @@ -1076,8 +1075,6 @@ static int rmi_f11_initialize(struct rmi_function *fn) + sizeof(struct f11_data)); f11->rel_mask = (unsigned long *)((char *)f11 + sizeof(struct f11_data) + mask_size); - f11->result_bits = (unsigned long *)((char *)f11 - + sizeof(struct f11_data) + mask_size * 2); set_bit(fn->irq_pos, f11->abs_mask); set_bit(fn->irq_pos + 1, f11->rel_mask); @@ -1284,8 +1281,8 @@ static irqreturn_t rmi_f11_attention(int irq, void *ctx) valid_bytes = f11->sensor.attn_size; memcpy(f11->sensor.data_pkt, drvdata->attn_data.data, valid_bytes); - drvdata->attn_data.data += f11->sensor.attn_size; - drvdata->attn_data.size -= f11->sensor.attn_size; + drvdata->attn_data.data += valid_bytes; + drvdata->attn_data.size -= valid_bytes; } else { error = rmi_read_block(rmi_dev, data_base_addr, f11->sensor.data_pkt, diff --git a/drivers/input/rmi4/rmi_f12.c b/drivers/input/rmi4/rmi_f12.c index d20a5d6780d1..7e97944f7616 100644 --- a/drivers/input/rmi4/rmi_f12.c +++ b/drivers/input/rmi4/rmi_f12.c @@ -55,6 +55,9 @@ struct f12_data { const struct rmi_register_desc_item *data15; u16 data15_offset; + + unsigned long *abs_mask; + unsigned long *rel_mask; }; static int rmi_f12_read_sensor_tuning(struct f12_data *f12) @@ -209,8 +212,8 @@ static irqreturn_t rmi_f12_attention(int irq, void *ctx) valid_bytes = sensor->attn_size; memcpy(sensor->data_pkt, drvdata->attn_data.data, valid_bytes); - drvdata->attn_data.data += sensor->attn_size; - drvdata->attn_data.size -= sensor->attn_size; + drvdata->attn_data.data += valid_bytes; + drvdata->attn_data.size -= valid_bytes; } else { retval = rmi_read_block(rmi_dev, f12->data_addr, sensor->data_pkt, sensor->pkt_size); @@ -291,9 +294,18 @@ static int rmi_f12_write_control_regs(struct rmi_function *fn) static int rmi_f12_config(struct rmi_function *fn) { struct rmi_driver *drv = fn->rmi_dev->driver; + struct f12_data *f12 = dev_get_drvdata(&fn->dev); + struct rmi_2d_sensor *sensor; int ret; - drv->set_irq_bits(fn->rmi_dev, fn->irq_mask); + sensor = &f12->sensor; + + if (!sensor->report_abs) + drv->clear_irq_bits(fn->rmi_dev, f12->abs_mask); + else + drv->set_irq_bits(fn->rmi_dev, f12->abs_mask); + + drv->clear_irq_bits(fn->rmi_dev, f12->rel_mask); ret = rmi_f12_write_control_regs(fn); if (ret) @@ -315,9 +327,12 @@ static int rmi_f12_probe(struct rmi_function *fn) struct rmi_device_platform_data *pdata = rmi_get_platform_data(rmi_dev); struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev); u16 data_offset = 0; + int mask_size; rmi_dbg(RMI_DEBUG_FN, &fn->dev, "%s\n", __func__); + mask_size = BITS_TO_LONGS(drvdata->irq_count) * sizeof(unsigned long); + ret = rmi_read(fn->rmi_dev, query_addr, &buf); if (ret < 0) { dev_err(&fn->dev, "Failed to read general info register: %d\n", @@ -332,10 +347,19 @@ static int rmi_f12_probe(struct rmi_function *fn) return -ENODEV; } - f12 = devm_kzalloc(&fn->dev, sizeof(struct f12_data), GFP_KERNEL); + f12 = devm_kzalloc(&fn->dev, sizeof(struct f12_data) + mask_size * 2, + GFP_KERNEL); if (!f12) return -ENOMEM; + f12->abs_mask = (unsigned long *)((char *)f12 + + sizeof(struct f12_data)); + f12->rel_mask = (unsigned long *)((char *)f12 + + sizeof(struct f12_data) + mask_size); + + set_bit(fn->irq_pos, f12->abs_mask); + set_bit(fn->irq_pos + 1, f12->rel_mask); + f12->has_dribble = !!(buf & BIT(3)); if (fn->dev.of_node) { diff --git a/drivers/input/rmi4/rmi_f54.c b/drivers/input/rmi4/rmi_f54.c index 710b02595486..897105b9a98b 100644 --- a/drivers/input/rmi4/rmi_f54.c +++ b/drivers/input/rmi4/rmi_f54.c @@ -359,7 +359,7 @@ static const struct vb2_ops rmi_f54_queue_ops = { static const struct vb2_queue rmi_f54_queue = { .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, .io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ, - .buf_struct_size = sizeof(struct vb2_buffer), + .buf_struct_size = sizeof(struct vb2_v4l2_buffer), .ops = &rmi_f54_queue_ops, .mem_ops = &vb2_vmalloc_memops, .timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC, @@ -601,7 +601,7 @@ static int rmi_f54_config(struct rmi_function *fn) { struct rmi_driver *drv = fn->rmi_dev->driver; - drv->set_irq_bits(fn->rmi_dev, fn->irq_mask); + drv->clear_irq_bits(fn->rmi_dev, fn->irq_mask); return 0; } @@ -730,6 +730,7 @@ static void rmi_f54_remove(struct rmi_function *fn) video_unregister_device(&f54->vdev); v4l2_device_unregister(&f54->v4l2); + destroy_workqueue(f54->workqueue); } struct rmi_function_handler rmi_f54_handler = { diff --git a/drivers/input/touchscreen/cyttsp4_core.c b/drivers/input/touchscreen/cyttsp4_core.c index 4b22d49a0f49..6bcffc930384 100644 --- a/drivers/input/touchscreen/cyttsp4_core.c +++ b/drivers/input/touchscreen/cyttsp4_core.c @@ -1990,11 +1990,6 @@ static int cyttsp4_mt_probe(struct cyttsp4 *cd) /* get sysinfo */ md->si = &cd->sysinfo; - if (!md->si) { - dev_err(dev, "%s: Fail get sysinfo pointer from core p=%p\n", - __func__, md->si); - goto error_get_sysinfo; - } rc = cyttsp4_setup_input_device(cd); if (rc) @@ -2004,8 +1999,6 @@ static int cyttsp4_mt_probe(struct cyttsp4 *cd) error_init_input: input_free_device(md->input); -error_get_sysinfo: - input_set_drvdata(md->input, NULL); error_alloc_failed: dev_err(dev, "%s failed.\n", __func__); return rc; diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index 5178ea8b5f30..fb43aa708660 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -53,6 +53,7 @@ struct goodix_ts_data { const char *cfg_name; struct completion firmware_loading_complete; unsigned long irq_flags; + unsigned int contact_size; }; #define GOODIX_GPIO_INT_NAME "irq" @@ -62,6 +63,7 @@ struct goodix_ts_data { #define GOODIX_MAX_WIDTH 4096 #define GOODIX_INT_TRIGGER 1 #define GOODIX_CONTACT_SIZE 8 +#define GOODIX_MAX_CONTACT_SIZE 9 #define GOODIX_MAX_CONTACTS 10 #define GOODIX_CONFIG_MAX_LENGTH 240 @@ -144,6 +146,19 @@ static const struct dmi_system_id rotated_screen[] = { {} }; +static const struct dmi_system_id nine_bytes_report[] = { +#if defined(CONFIG_DMI) && defined(CONFIG_X86) + { + .ident = "Lenovo YogaBook", + /* YB1-X91L/F and YB1-X90L/F */ + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "Lenovo YB1-X9") + } + }, +#endif + {} +}; + /** * goodix_i2c_read - read data from a register of the i2c slave device. * @@ -249,7 +264,7 @@ static int goodix_ts_read_input_report(struct goodix_ts_data *ts, u8 *data) max_timeout = jiffies + msecs_to_jiffies(GOODIX_BUFFER_STATUS_TIMEOUT); do { error = goodix_i2c_read(ts->client, GOODIX_READ_COOR_ADDR, - data, GOODIX_CONTACT_SIZE + 1); + data, ts->contact_size + 1); if (error) { dev_err(&ts->client->dev, "I2C transfer error: %d\n", error); @@ -262,12 +277,12 @@ static int goodix_ts_read_input_report(struct goodix_ts_data *ts, u8 *data) return -EPROTO; if (touch_num > 1) { - data += 1 + GOODIX_CONTACT_SIZE; + data += 1 + ts->contact_size; error = goodix_i2c_read(ts->client, GOODIX_READ_COOR_ADDR + - 1 + GOODIX_CONTACT_SIZE, + 1 + ts->contact_size, data, - GOODIX_CONTACT_SIZE * + ts->contact_size * (touch_num - 1)); if (error) return error; @@ -286,7 +301,7 @@ static int goodix_ts_read_input_report(struct goodix_ts_data *ts, u8 *data) return 0; } -static void goodix_ts_report_touch(struct goodix_ts_data *ts, u8 *coor_data) +static void goodix_ts_report_touch_8b(struct goodix_ts_data *ts, u8 *coor_data) { int id = coor_data[0] & 0x0F; int input_x = get_unaligned_le16(&coor_data[1]); @@ -301,6 +316,21 @@ static void goodix_ts_report_touch(struct goodix_ts_data *ts, u8 *coor_data) input_report_abs(ts->input_dev, ABS_MT_WIDTH_MAJOR, input_w); } +static void goodix_ts_report_touch_9b(struct goodix_ts_data *ts, u8 *coor_data) +{ + int id = coor_data[1] & 0x0F; + int input_x = get_unaligned_le16(&coor_data[3]); + int input_y = get_unaligned_le16(&coor_data[5]); + int input_w = get_unaligned_le16(&coor_data[7]); + + input_mt_slot(ts->input_dev, id); + input_mt_report_slot_state(ts->input_dev, MT_TOOL_FINGER, true); + touchscreen_report_pos(ts->input_dev, &ts->prop, + input_x, input_y, true); + input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, input_w); + input_report_abs(ts->input_dev, ABS_MT_WIDTH_MAJOR, input_w); +} + /** * goodix_process_events - Process incoming events * @@ -311,7 +341,7 @@ static void goodix_ts_report_touch(struct goodix_ts_data *ts, u8 *coor_data) */ static void goodix_process_events(struct goodix_ts_data *ts) { - u8 point_data[1 + GOODIX_CONTACT_SIZE * GOODIX_MAX_CONTACTS]; + u8 point_data[1 + GOODIX_MAX_CONTACT_SIZE * GOODIX_MAX_CONTACTS]; int touch_num; int i; @@ -326,8 +356,12 @@ static void goodix_process_events(struct goodix_ts_data *ts) input_report_key(ts->input_dev, KEY_LEFTMETA, point_data[0] & BIT(4)); for (i = 0; i < touch_num; i++) - goodix_ts_report_touch(ts, - &point_data[1 + GOODIX_CONTACT_SIZE * i]); + if (ts->contact_size == 9) + goodix_ts_report_touch_9b(ts, + &point_data[1 + ts->contact_size * i]); + else + goodix_ts_report_touch_8b(ts, + &point_data[1 + ts->contact_size * i]); input_mt_sync_frame(ts->input_dev); input_sync(ts->input_dev); @@ -730,6 +764,13 @@ static int goodix_configure_dev(struct goodix_ts_data *ts) "Applying '180 degrees rotated screen' quirk\n"); } + if (dmi_check_system(nine_bytes_report)) { + ts->contact_size = 9; + + dev_dbg(&ts->client->dev, + "Non-standard 9-bytes report format quirk\n"); + } + error = input_mt_init_slots(ts->input_dev, ts->max_touch_num, INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED); if (error) { @@ -810,6 +851,7 @@ static int goodix_ts_probe(struct i2c_client *client, ts->client = client; i2c_set_clientdata(client, ts); init_completion(&ts->firmware_loading_complete); + ts->contact_size = GOODIX_CONTACT_SIZE; error = goodix_get_gpio_config(ts); if (error) diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c index 34923399ece4..1139714e72e2 100644 --- a/drivers/input/touchscreen/st1232.c +++ b/drivers/input/touchscreen/st1232.c @@ -81,8 +81,10 @@ static int st1232_ts_read_data(struct st1232_ts_data *ts) for (i = 0, y = 0; i < ts->chip_info->max_fingers; i++, y += 3) { finger[i].is_valid = buf[i + y] >> 7; if (finger[i].is_valid) { - finger[i].x = ((buf[i + y] & 0x0070) << 4) | buf[i + 1]; - finger[i].y = ((buf[i + y] & 0x0007) << 8) | buf[i + 2]; + finger[i].x = ((buf[i + y] & 0x0070) << 4) | + buf[i + y + 1]; + finger[i].y = ((buf[i + y] & 0x0007) << 8) | + buf[i + y + 2]; /* st1232 includes a z-axis / touch strength */ if (ts->chip_info->have_z) diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c index 7b971228df38..c498796adc07 100644 --- a/drivers/interconnect/core.c +++ b/drivers/interconnect/core.c @@ -405,8 +405,12 @@ void icc_set_tag(struct icc_path *path, u32 tag) if (!path) return; + mutex_lock(&icc_lock); + for (i = 0; i < path->num_nodes; i++) path->reqs[i].tag = tag; + + mutex_unlock(&icc_lock); } EXPORT_SYMBOL_GPL(icc_set_tag); diff --git a/drivers/interconnect/qcom/qcs404.c b/drivers/interconnect/qcom/qcs404.c index 910081d6ddc0..b4966d8f3348 100644 --- a/drivers/interconnect/qcom/qcs404.c +++ b/drivers/interconnect/qcom/qcs404.c @@ -433,7 +433,8 @@ static int qnoc_probe(struct platform_device *pdev) if (!qp) return -ENOMEM; - data = devm_kcalloc(dev, num_nodes, sizeof(*node), GFP_KERNEL); + data = devm_kzalloc(dev, struct_size(data, nodes, num_nodes), + GFP_KERNEL); if (!data) return -ENOMEM; diff --git a/drivers/interconnect/qcom/sdm845.c b/drivers/interconnect/qcom/sdm845.c index 57955596bb59..502a6c22b41e 100644 --- a/drivers/interconnect/qcom/sdm845.c +++ b/drivers/interconnect/qcom/sdm845.c @@ -790,7 +790,8 @@ static int qnoc_probe(struct platform_device *pdev) if (!qp) return -ENOMEM; - data = devm_kcalloc(&pdev->dev, num_nodes, sizeof(*node), GFP_KERNEL); + data = devm_kzalloc(&pdev->dev, struct_size(data, nodes, num_nodes), + GFP_KERNEL); if (!data) return -ENOMEM; diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 2369b8af81f3..dd555078258c 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -583,7 +583,8 @@ static void iommu_print_event(struct amd_iommu *iommu, void *__evt) retry: type = (event[1] >> EVENT_TYPE_SHIFT) & EVENT_TYPE_MASK; devid = (event[0] >> EVENT_DEVID_SHIFT) & EVENT_DEVID_MASK; - pasid = PPR_PASID(*(u64 *)&event[0]); + pasid = (event[0] & EVENT_DOMID_MASK_HI) | + (event[1] & EVENT_DOMID_MASK_LO); flags = (event[1] >> EVENT_FLAGS_SHIFT) & EVENT_FLAGS_MASK; address = (u64)(((u64)event[3]) << 32) | event[2]; @@ -616,7 +617,7 @@ retry: address, flags); break; case EVENT_TYPE_PAGE_TAB_ERR: - dev_err(dev, "Event logged [PAGE_TAB_HARDWARE_ERROR device=%02x:%02x.%x domain=0x%04x address=0x%llx flags=0x%04x]\n", + dev_err(dev, "Event logged [PAGE_TAB_HARDWARE_ERROR device=%02x:%02x.%x pasid=0x%04x address=0x%llx flags=0x%04x]\n", PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid), pasid, address, flags); break; @@ -1463,6 +1464,7 @@ static void free_pagetable(struct protection_domain *domain) * to 64 bits. */ static bool increase_address_space(struct protection_domain *domain, + unsigned long address, gfp_t gfp) { unsigned long flags; @@ -1471,8 +1473,8 @@ static bool increase_address_space(struct protection_domain *domain, spin_lock_irqsave(&domain->lock, flags); - if (WARN_ON_ONCE(domain->mode == PAGE_MODE_6_LEVEL)) - /* address space already 64 bit large */ + if (address <= PM_LEVEL_SIZE(domain->mode) || + WARN_ON_ONCE(domain->mode == PAGE_MODE_6_LEVEL)) goto out; pte = (void *)get_zeroed_page(gfp); @@ -1505,7 +1507,7 @@ static u64 *alloc_pte(struct protection_domain *domain, BUG_ON(!is_power_of_2(page_size)); while (address > PM_LEVEL_SIZE(domain->mode)) - *updated = increase_address_space(domain, gfp) || *updated; + *updated = increase_address_space(domain, address, gfp) || *updated; level = domain->mode - 1; pte = &domain->pt_root[PM_LEVEL_INDEX(level, address)]; diff --git a/drivers/iommu/amd_iommu_quirks.c b/drivers/iommu/amd_iommu_quirks.c index c235f79b7a20..5120ce4fdce3 100644 --- a/drivers/iommu/amd_iommu_quirks.c +++ b/drivers/iommu/amd_iommu_quirks.c @@ -74,6 +74,19 @@ static const struct dmi_system_id ivrs_quirks[] __initconst = { .driver_data = (void *)&ivrs_ioapic_quirks[DELL_LATITUDE_5495], }, { + /* + * Acer Aspire A315-41 requires the very same workaround as + * Dell Latitude 5495 + */ + .callback = ivrs_ioapic_quirk_cb, + .ident = "Acer Aspire A315-41", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A315-41"), + }, + .driver_data = (void *)&ivrs_ioapic_quirks[DELL_LATITUDE_5495], + }, + { .callback = ivrs_ioapic_quirk_cb, .ident = "Lenovo ideapad 330S-15ARR", .matches = { diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index c9c1612d52e0..17bd5a349119 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -130,8 +130,8 @@ #define EVENT_TYPE_INV_PPR_REQ 0x9 #define EVENT_DEVID_MASK 0xffff #define EVENT_DEVID_SHIFT 0 -#define EVENT_DOMID_MASK 0xffff -#define EVENT_DOMID_SHIFT 0 +#define EVENT_DOMID_MASK_LO 0xffff +#define EVENT_DOMID_MASK_HI 0xf0000 #define EVENT_FLAGS_MASK 0xfff #define EVENT_FLAGS_SHIFT 0x10 diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index b18aac4c105e..7c503a6bc585 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -812,6 +812,7 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, return 0; out_clear_smmu: + __arm_smmu_free_bitmap(smmu->context_map, cfg->cbndx); smmu_domain->smmu = NULL; out_unlock: mutex_unlock(&smmu_domain->init_mutex); diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 3f974919d3bd..6db6d969e31c 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2794,7 +2794,7 @@ static int identity_mapping(struct device *dev) struct device_domain_info *info; info = dev->archdata.iommu; - if (info && info != DUMMY_DEVICE_DOMAIN_INFO) + if (info && info != DUMMY_DEVICE_DOMAIN_INFO && info != DEFER_DEVICE_DOMAIN_INFO) return (info->domain == si_domain); return 0; @@ -3471,7 +3471,7 @@ static bool iommu_need_mapping(struct device *dev) if (dev->coherent_dma_mask && dev->coherent_dma_mask < dma_mask) dma_mask = dev->coherent_dma_mask; - if (dma_mask >= dma_get_required_mask(dev)) + if (dma_mask >= dma_direct_get_required_mask(dev)) return false; /* @@ -3775,6 +3775,13 @@ static int intel_map_sg(struct device *dev, struct scatterlist *sglist, int nele return nelems; } +static u64 intel_get_required_mask(struct device *dev) +{ + if (!iommu_need_mapping(dev)) + return dma_direct_get_required_mask(dev); + return DMA_BIT_MASK(32); +} + static const struct dma_map_ops intel_dma_ops = { .alloc = intel_alloc_coherent, .free = intel_free_coherent, @@ -3787,6 +3794,7 @@ static const struct dma_map_ops intel_dma_ops = { .dma_supported = dma_direct_supported, .mmap = dma_common_mmap, .get_sgtable = dma_common_get_sgtable, + .get_required_mask = intel_get_required_mask, }; static void diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c index 4c91359057c5..ca51036aa53c 100644 --- a/drivers/iommu/io-pgtable-arm.c +++ b/drivers/iommu/io-pgtable-arm.c @@ -166,6 +166,9 @@ #define ARM_MALI_LPAE_TTBR_READ_INNER BIT(2) #define ARM_MALI_LPAE_TTBR_SHARE_OUTER BIT(4) +#define ARM_MALI_LPAE_MEMATTR_IMP_DEF 0x88ULL +#define ARM_MALI_LPAE_MEMATTR_WRITE_ALLOC 0x8DULL + /* IOPTE accessors */ #define iopte_deref(pte,d) __va(iopte_to_paddr(pte, d)) @@ -1015,27 +1018,56 @@ arm_32_lpae_alloc_pgtable_s2(struct io_pgtable_cfg *cfg, void *cookie) static struct io_pgtable * arm_mali_lpae_alloc_pgtable(struct io_pgtable_cfg *cfg, void *cookie) { - struct io_pgtable *iop; + struct arm_lpae_io_pgtable *data; - if (cfg->ias != 48 || cfg->oas > 40) + /* No quirks for Mali (hopefully) */ + if (cfg->quirks) + return NULL; + + if (cfg->ias > 48 || cfg->oas > 40) return NULL; cfg->pgsize_bitmap &= (SZ_4K | SZ_2M | SZ_1G); - iop = arm_64_lpae_alloc_pgtable_s1(cfg, cookie); - if (iop) { - u64 mair, ttbr; - /* Copy values as union fields overlap */ - mair = cfg->arm_lpae_s1_cfg.mair[0]; - ttbr = cfg->arm_lpae_s1_cfg.ttbr[0]; + data = arm_lpae_alloc_pgtable(cfg); + if (!data) + return NULL; - cfg->arm_mali_lpae_cfg.memattr = mair; - cfg->arm_mali_lpae_cfg.transtab = ttbr | - ARM_MALI_LPAE_TTBR_READ_INNER | - ARM_MALI_LPAE_TTBR_ADRMODE_TABLE; + /* Mali seems to need a full 4-level table regardless of IAS */ + if (data->levels < ARM_LPAE_MAX_LEVELS) { + data->levels = ARM_LPAE_MAX_LEVELS; + data->pgd_size = sizeof(arm_lpae_iopte); } + /* + * MEMATTR: Mali has no actual notion of a non-cacheable type, so the + * best we can do is mimic the out-of-tree driver and hope that the + * "implementation-defined caching policy" is good enough. Similarly, + * we'll use it for the sake of a valid attribute for our 'device' + * index, although callers should never request that in practice. + */ + cfg->arm_mali_lpae_cfg.memattr = + (ARM_MALI_LPAE_MEMATTR_IMP_DEF + << ARM_LPAE_MAIR_ATTR_SHIFT(ARM_LPAE_MAIR_ATTR_IDX_NC)) | + (ARM_MALI_LPAE_MEMATTR_WRITE_ALLOC + << ARM_LPAE_MAIR_ATTR_SHIFT(ARM_LPAE_MAIR_ATTR_IDX_CACHE)) | + (ARM_MALI_LPAE_MEMATTR_IMP_DEF + << ARM_LPAE_MAIR_ATTR_SHIFT(ARM_LPAE_MAIR_ATTR_IDX_DEV)); - return iop; + data->pgd = __arm_lpae_alloc_pages(data->pgd_size, GFP_KERNEL, cfg); + if (!data->pgd) + goto out_free_data; + + /* Ensure the empty pgd is visible before TRANSTAB can be written */ + wmb(); + + cfg->arm_mali_lpae_cfg.transtab = virt_to_phys(data->pgd) | + ARM_MALI_LPAE_TTBR_READ_INNER | + ARM_MALI_LPAE_TTBR_ADRMODE_TABLE; + return &data->iop; + +out_free_data: + kfree(data); + return NULL; } struct io_pgtable_init_fns io_pgtable_arm_64_lpae_s1_init_fns = { diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index 9da8309f7170..2639fc718117 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -1086,8 +1086,6 @@ static int ipmmu_probe(struct platform_device *pdev) mmu->num_ctx = min(IPMMU_CTX_MAX, mmu->features->number_of_contexts); - irq = platform_get_irq(pdev, 0); - /* * Determine if this IPMMU instance is a root device by checking for * the lack of has_cache_leaf_nodes flag or renesas,ipmmu-main property. @@ -1106,10 +1104,9 @@ static int ipmmu_probe(struct platform_device *pdev) /* Root devices have mandatory IRQs */ if (ipmmu_is_root(mmu)) { - if (irq < 0) { - dev_err(&pdev->dev, "no IRQ found\n"); + irq = platform_get_irq(pdev, 0); + if (irq < 0) return irq; - } ret = devm_request_irq(&pdev->dev, irq, ipmmu_irq, 0, dev_name(&pdev->dev), mmu); diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c index 26290f310f90..4dcbf68dfda4 100644 --- a/drivers/iommu/rockchip-iommu.c +++ b/drivers/iommu/rockchip-iommu.c @@ -100,6 +100,7 @@ struct rk_iommu { struct device *dev; void __iomem **bases; int num_mmu; + int num_irq; struct clk_bulk_data *clocks; int num_clocks; bool reset_disabled; @@ -1136,7 +1137,7 @@ static int rk_iommu_probe(struct platform_device *pdev) struct rk_iommu *iommu; struct resource *res; int num_res = pdev->num_resources; - int err, i, irq; + int err, i; iommu = devm_kzalloc(dev, sizeof(*iommu), GFP_KERNEL); if (!iommu) @@ -1163,6 +1164,10 @@ static int rk_iommu_probe(struct platform_device *pdev) if (iommu->num_mmu == 0) return PTR_ERR(iommu->bases[0]); + iommu->num_irq = platform_irq_count(pdev); + if (iommu->num_irq < 0) + return iommu->num_irq; + iommu->reset_disabled = device_property_read_bool(dev, "rockchip,disable-mmu-reset"); @@ -1219,8 +1224,9 @@ static int rk_iommu_probe(struct platform_device *pdev) pm_runtime_enable(dev); - i = 0; - while ((irq = platform_get_irq(pdev, i++)) != -ENXIO) { + for (i = 0; i < iommu->num_irq; i++) { + int irq = platform_get_irq(pdev, i); + if (irq < 0) return irq; @@ -1245,10 +1251,13 @@ err_unprepare_clocks: static void rk_iommu_shutdown(struct platform_device *pdev) { struct rk_iommu *iommu = platform_get_drvdata(pdev); - int i = 0, irq; + int i; + + for (i = 0; i < iommu->num_irq; i++) { + int irq = platform_get_irq(pdev, i); - while ((irq = platform_get_irq(pdev, i++)) != -ENXIO) devm_free_irq(iommu->dev, irq, iommu); + } pm_runtime_force_suspend(&pdev->dev); } diff --git a/drivers/irqchip/irq-al-fic.c b/drivers/irqchip/irq-al-fic.c index 1a57cee3efab..0b0a73739756 100644 --- a/drivers/irqchip/irq-al-fic.c +++ b/drivers/irqchip/irq-al-fic.c @@ -15,6 +15,7 @@ /* FIC Registers */ #define AL_FIC_CAUSE 0x00 +#define AL_FIC_SET_CAUSE 0x08 #define AL_FIC_MASK 0x10 #define AL_FIC_CONTROL 0x28 @@ -126,6 +127,16 @@ static void al_fic_irq_handler(struct irq_desc *desc) chained_irq_exit(irqchip, desc); } +static int al_fic_irq_retrigger(struct irq_data *data) +{ + struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data); + struct al_fic *fic = gc->private; + + writel_relaxed(BIT(data->hwirq), fic->base + AL_FIC_SET_CAUSE); + + return 1; +} + static int al_fic_register(struct device_node *node, struct al_fic *fic) { @@ -159,6 +170,7 @@ static int al_fic_register(struct device_node *node, gc->chip_types->chip.irq_unmask = irq_gc_mask_clr_bit; gc->chip_types->chip.irq_ack = irq_gc_ack_clr_bit; gc->chip_types->chip.irq_set_type = al_fic_irq_set_type; + gc->chip_types->chip.irq_retrigger = al_fic_irq_retrigger; gc->chip_types->chip.flags = IRQCHIP_SKIP_SET_WAKE; gc->private = fic; diff --git a/drivers/irqchip/irq-atmel-aic5.c b/drivers/irqchip/irq-atmel-aic5.c index 6acad2ea0fb3..29333497ba10 100644 --- a/drivers/irqchip/irq-atmel-aic5.c +++ b/drivers/irqchip/irq-atmel-aic5.c @@ -313,6 +313,7 @@ static void __init sama5d3_aic_irq_fixup(void) static const struct of_device_id aic5_irq_fixups[] __initconst = { { .compatible = "atmel,sama5d3", .data = sama5d3_aic_irq_fixup }, { .compatible = "atmel,sama5d4", .data = sama5d3_aic_irq_fixup }, + { .compatible = "microchip,sam9x60", .data = sama5d3_aic_irq_fixup }, { /* sentinel */ }, }; @@ -390,3 +391,12 @@ static int __init sama5d4_aic5_of_init(struct device_node *node, return aic5_of_init(node, parent, NR_SAMA5D4_IRQS); } IRQCHIP_DECLARE(sama5d4_aic5, "atmel,sama5d4-aic", sama5d4_aic5_of_init); + +#define NR_SAM9X60_IRQS 50 + +static int __init sam9x60_aic5_of_init(struct device_node *node, + struct device_node *parent) +{ + return aic5_of_init(node, parent, NR_SAM9X60_IRQS); +} +IRQCHIP_DECLARE(sam9x60_aic5, "microchip,sam9x60-aic", sam9x60_aic5_of_init); diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 62e54f1a248b..787e8eec9a7f 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -175,6 +175,22 @@ static DEFINE_IDA(its_vpeid_ida); #define gic_data_rdist_rd_base() (gic_data_rdist()->rd_base) #define gic_data_rdist_vlpi_base() (gic_data_rdist_rd_base() + SZ_128K) +static u16 get_its_list(struct its_vm *vm) +{ + struct its_node *its; + unsigned long its_list = 0; + + list_for_each_entry(its, &its_nodes, entry) { + if (!its->is_v4) + continue; + + if (vm->vlpi_count[its->list_nr]) + __set_bit(its->list_nr, &its_list); + } + + return (u16)its_list; +} + static struct its_collection *dev_event_to_col(struct its_device *its_dev, u32 event) { @@ -976,17 +992,15 @@ static void its_send_vmapp(struct its_node *its, static void its_send_vmovp(struct its_vpe *vpe) { - struct its_cmd_desc desc; + struct its_cmd_desc desc = {}; struct its_node *its; unsigned long flags; int col_id = vpe->col_idx; desc.its_vmovp_cmd.vpe = vpe; - desc.its_vmovp_cmd.its_list = (u16)its_list_map; if (!its_list_map) { its = list_first_entry(&its_nodes, struct its_node, entry); - desc.its_vmovp_cmd.seq_num = 0; desc.its_vmovp_cmd.col = &its->collections[col_id]; its_send_single_vcommand(its, its_build_vmovp_cmd, &desc); return; @@ -1003,6 +1017,7 @@ static void its_send_vmovp(struct its_vpe *vpe) raw_spin_lock_irqsave(&vmovp_lock, flags); desc.its_vmovp_cmd.seq_num = vmovp_seq_num++; + desc.its_vmovp_cmd.its_list = get_its_list(vpe->its_vm); /* Emit VMOVPs */ list_for_each_entry(its, &its_nodes, entry) { diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index 422664ac5f53..1edc99335a94 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -59,7 +59,7 @@ static struct gic_chip_data gic_data __read_mostly; static DEFINE_STATIC_KEY_TRUE(supports_deactivate_key); #define GIC_ID_NR (1U << GICD_TYPER_ID_BITS(gic_data.rdists.gicd_typer)) -#define GIC_LINE_NR max(GICD_TYPER_SPIS(gic_data.rdists.gicd_typer), 1020U) +#define GIC_LINE_NR min(GICD_TYPER_SPIS(gic_data.rdists.gicd_typer), 1020U) #define GIC_ESPI_NR GICD_TYPER_ESPIS(gic_data.rdists.gicd_typer) /* diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c index c72c036aea76..7d0a12fe2714 100644 --- a/drivers/irqchip/irq-sifive-plic.c +++ b/drivers/irqchip/irq-sifive-plic.c @@ -97,7 +97,7 @@ static inline void plic_irq_toggle(const struct cpumask *mask, } } -static void plic_irq_enable(struct irq_data *d) +static void plic_irq_unmask(struct irq_data *d) { unsigned int cpu = cpumask_any_and(irq_data_get_affinity_mask(d), cpu_online_mask); @@ -106,7 +106,7 @@ static void plic_irq_enable(struct irq_data *d) plic_irq_toggle(cpumask_of(cpu), d->hwirq, 1); } -static void plic_irq_disable(struct irq_data *d) +static void plic_irq_mask(struct irq_data *d) { plic_irq_toggle(cpu_possible_mask, d->hwirq, 0); } @@ -125,10 +125,8 @@ static int plic_set_affinity(struct irq_data *d, if (cpu >= nr_cpu_ids) return -EINVAL; - if (!irqd_irq_disabled(d)) { - plic_irq_toggle(cpu_possible_mask, d->hwirq, 0); - plic_irq_toggle(cpumask_of(cpu), d->hwirq, 1); - } + plic_irq_toggle(cpu_possible_mask, d->hwirq, 0); + plic_irq_toggle(cpumask_of(cpu), d->hwirq, 1); irq_data_update_effective_affinity(d, cpumask_of(cpu)); @@ -136,14 +134,18 @@ static int plic_set_affinity(struct irq_data *d, } #endif +static void plic_irq_eoi(struct irq_data *d) +{ + struct plic_handler *handler = this_cpu_ptr(&plic_handlers); + + writel(d->hwirq, handler->hart_base + CONTEXT_CLAIM); +} + static struct irq_chip plic_chip = { .name = "SiFive PLIC", - /* - * There is no need to mask/unmask PLIC interrupts. They are "masked" - * by reading claim and "unmasked" when writing it back. - */ - .irq_enable = plic_irq_enable, - .irq_disable = plic_irq_disable, + .irq_mask = plic_irq_mask, + .irq_unmask = plic_irq_unmask, + .irq_eoi = plic_irq_eoi, #ifdef CONFIG_SMP .irq_set_affinity = plic_set_affinity, #endif @@ -152,7 +154,7 @@ static struct irq_chip plic_chip = { static int plic_irqdomain_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hwirq) { - irq_set_chip_and_handler(irq, &plic_chip, handle_simple_irq); + irq_set_chip_and_handler(irq, &plic_chip, handle_fasteoi_irq); irq_set_chip_data(irq, NULL); irq_set_noprobe(irq); return 0; @@ -188,7 +190,6 @@ static void plic_handle_irq(struct pt_regs *regs) hwirq); else generic_handle_irq(irq); - writel(hwirq, claim); } csr_set(sie, SIE_SEIE); } @@ -251,8 +252,8 @@ static int __init plic_init(struct device_node *node, continue; } - /* skip context holes */ - if (parent.args[0] == -1) + /* skip contexts other than supervisor external interrupt */ + if (parent.args[0] != IRQ_S_EXT) continue; hartid = plic_find_hart_id(parent.np); diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c index c92b405b7646..ba8619524231 100644 --- a/drivers/isdn/capi/capi.c +++ b/drivers/isdn/capi/capi.c @@ -744,7 +744,7 @@ capi_poll(struct file *file, poll_table *wait) poll_wait(file, &(cdev->recvwait), wait); mask = EPOLLOUT | EPOLLWRNORM; - if (!skb_queue_empty(&cdev->recvqueue)) + if (!skb_queue_empty_lockless(&cdev->recvqueue)) mask |= EPOLLIN | EPOLLRDNORM; return mask; } diff --git a/drivers/macintosh/windfarm_cpufreq_clamp.c b/drivers/macintosh/windfarm_cpufreq_clamp.c index 705c6200814b..7b726f00f183 100644 --- a/drivers/macintosh/windfarm_cpufreq_clamp.c +++ b/drivers/macintosh/windfarm_cpufreq_clamp.c @@ -18,7 +18,7 @@ static int clamped; static struct wf_control *clamp_control; -static struct dev_pm_qos_request qos_req; +static struct freq_qos_request qos_req; static unsigned int min_freq, max_freq; static int clamp_set(struct wf_control *ct, s32 value) @@ -35,7 +35,7 @@ static int clamp_set(struct wf_control *ct, s32 value) } clamped = value; - return dev_pm_qos_update_request(&qos_req, freq); + return freq_qos_update_request(&qos_req, freq); } static int clamp_get(struct wf_control *ct, s32 *value) @@ -77,38 +77,44 @@ static int __init wf_cpufreq_clamp_init(void) min_freq = policy->cpuinfo.min_freq; max_freq = policy->cpuinfo.max_freq; + + ret = freq_qos_add_request(&policy->constraints, &qos_req, FREQ_QOS_MAX, + max_freq); + cpufreq_cpu_put(policy); + if (ret < 0) { + pr_err("%s: Failed to add freq constraint (%d)\n", __func__, + ret); + return ret; + } + dev = get_cpu_device(0); if (unlikely(!dev)) { pr_warn("%s: No cpu device for cpu0\n", __func__); - return -ENODEV; + ret = -ENODEV; + goto fail; } clamp = kmalloc(sizeof(struct wf_control), GFP_KERNEL); - if (clamp == NULL) - return -ENOMEM; - - ret = dev_pm_qos_add_request(dev, &qos_req, DEV_PM_QOS_MAX_FREQUENCY, - max_freq); - if (ret < 0) { - pr_err("%s: Failed to add freq constraint (%d)\n", __func__, - ret); - goto free; + if (clamp == NULL) { + ret = -ENOMEM; + goto fail; } clamp->ops = &clamp_ops; clamp->name = "cpufreq-clamp"; ret = wf_register_control(clamp); if (ret) - goto fail; + goto free; + clamp_control = clamp; return 0; - fail: - dev_pm_qos_remove_request(&qos_req); free: kfree(clamp); + fail: + freq_qos_remove_request(&qos_req); return ret; } @@ -116,7 +122,7 @@ static void __exit wf_cpufreq_clamp_exit(void) { if (clamp_control) { wf_unregister_control(clamp_control); - dev_pm_qos_remove_request(&qos_req); + freq_qos_remove_request(&qos_req); } } diff --git a/drivers/md/bcache/Makefile b/drivers/md/bcache/Makefile index d26b35195825..fd714628da6a 100644 --- a/drivers/md/bcache/Makefile +++ b/drivers/md/bcache/Makefile @@ -5,5 +5,3 @@ obj-$(CONFIG_BCACHE) += bcache.o bcache-y := alloc.o bset.o btree.o closure.o debug.o extents.o\ io.o journal.o movinggc.o request.o stats.o super.o sysfs.o trace.o\ util.o writeback.o - -CFLAGS_request.o += -Iblock diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c index 6f776823b9ba..a1df0d95151c 100644 --- a/drivers/md/bcache/alloc.c +++ b/drivers/md/bcache/alloc.c @@ -377,7 +377,10 @@ retry_invalidate: if (!fifo_full(&ca->free_inc)) goto retry_invalidate; - bch_prio_write(ca); + if (bch_prio_write(ca, false) < 0) { + ca->invalidate_needs_gc = 1; + wake_up_gc(ca->set); + } } } out: diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h index 013e35a9e317..9198c1b480d9 100644 --- a/drivers/md/bcache/bcache.h +++ b/drivers/md/bcache/bcache.h @@ -582,6 +582,7 @@ struct cache_set { */ wait_queue_head_t btree_cache_wait; struct task_struct *btree_cache_alloc_lock; + spinlock_t btree_cannibalize_lock; /* * When we free a btree node, we increment the gen of the bucket the @@ -723,6 +724,7 @@ struct cache_set { unsigned int gc_always_rewrite:1; unsigned int shrinker_disabled:1; unsigned int copy_gc_enabled:1; + unsigned int idle_max_writeback_rate_enabled:1; #define BUCKET_HASH_BITS 12 struct hlist_head bucket_hash[1 << BUCKET_HASH_BITS]; @@ -977,7 +979,7 @@ bool bch_cached_dev_error(struct cached_dev *dc); __printf(2, 3) bool bch_cache_set_error(struct cache_set *c, const char *fmt, ...); -void bch_prio_write(struct cache *ca); +int bch_prio_write(struct cache *ca, bool wait); void bch_write_bdev_super(struct cached_dev *dc, struct closure *parent); extern struct workqueue_struct *bcache_wq; diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c index 08768796b543..cffcdc9feefb 100644 --- a/drivers/md/bcache/bset.c +++ b/drivers/md/bcache/bset.c @@ -155,6 +155,7 @@ int __bch_keylist_realloc(struct keylist *l, unsigned int u64s) return 0; } +/* Pop the top key of keylist by pointing l->top to its previous key */ struct bkey *bch_keylist_pop(struct keylist *l) { struct bkey *k = l->keys; @@ -168,6 +169,7 @@ struct bkey *bch_keylist_pop(struct keylist *l) return l->top = k; } +/* Pop the bottom key of keylist and update l->top_p */ void bch_keylist_pop_front(struct keylist *l) { l->top_p -= bkey_u64s(l->keys); @@ -309,7 +311,6 @@ void bch_btree_keys_free(struct btree_keys *b) t->tree = NULL; t->data = NULL; } -EXPORT_SYMBOL(bch_btree_keys_free); int bch_btree_keys_alloc(struct btree_keys *b, unsigned int page_order, @@ -342,7 +343,6 @@ err: bch_btree_keys_free(b); return -ENOMEM; } -EXPORT_SYMBOL(bch_btree_keys_alloc); void bch_btree_keys_init(struct btree_keys *b, const struct btree_keys_ops *ops, bool *expensive_debug_checks) @@ -361,7 +361,6 @@ void bch_btree_keys_init(struct btree_keys *b, const struct btree_keys_ops *ops, * any more. */ } -EXPORT_SYMBOL(bch_btree_keys_init); /* Binary tree stuff for auxiliary search trees */ @@ -678,7 +677,6 @@ void bch_bset_init_next(struct btree_keys *b, struct bset *i, uint64_t magic) bch_bset_build_unwritten_tree(b); } -EXPORT_SYMBOL(bch_bset_init_next); /* * Build auxiliary binary tree 'struct bset_tree *t', this tree is used to @@ -732,7 +730,6 @@ void bch_bset_build_written_tree(struct btree_keys *b) j = inorder_next(j, t->size)) make_bfloat(t, j); } -EXPORT_SYMBOL(bch_bset_build_written_tree); /* Insert */ @@ -780,7 +777,6 @@ fix_right: do { j = j * 2 + 1; } while (j < t->size); } -EXPORT_SYMBOL(bch_bset_fix_invalidated_key); static void bch_bset_fix_lookup_table(struct btree_keys *b, struct bset_tree *t, @@ -855,7 +851,6 @@ bool bch_bkey_try_merge(struct btree_keys *b, struct bkey *l, struct bkey *r) return b->ops->key_merge(b, l, r); } -EXPORT_SYMBOL(bch_bkey_try_merge); void bch_bset_insert(struct btree_keys *b, struct bkey *where, struct bkey *insert) @@ -875,7 +870,6 @@ void bch_bset_insert(struct btree_keys *b, struct bkey *where, bkey_copy(where, insert); bch_bset_fix_lookup_table(b, t, where); } -EXPORT_SYMBOL(bch_bset_insert); unsigned int bch_btree_insert_key(struct btree_keys *b, struct bkey *k, struct bkey *replace_key) @@ -931,7 +925,6 @@ copy: bkey_copy(m, k); merged: return status; } -EXPORT_SYMBOL(bch_btree_insert_key); /* Lookup */ @@ -1077,7 +1070,6 @@ struct bkey *__bch_bset_search(struct btree_keys *b, struct bset_tree *t, return i.l; } -EXPORT_SYMBOL(__bch_bset_search); /* Btree iterator */ @@ -1132,7 +1124,6 @@ struct bkey *bch_btree_iter_init(struct btree_keys *b, { return __bch_btree_iter_init(b, iter, search, b->set); } -EXPORT_SYMBOL(bch_btree_iter_init); static inline struct bkey *__bch_btree_iter_next(struct btree_iter *iter, btree_iter_cmp_fn *cmp) @@ -1165,7 +1156,6 @@ struct bkey *bch_btree_iter_next(struct btree_iter *iter) return __bch_btree_iter_next(iter, btree_iter_cmp); } -EXPORT_SYMBOL(bch_btree_iter_next); struct bkey *bch_btree_iter_next_filter(struct btree_iter *iter, struct btree_keys *b, ptr_filter_fn fn) @@ -1196,7 +1186,6 @@ int bch_bset_sort_state_init(struct bset_sort_state *state, return mempool_init_page_pool(&state->pool, 1, page_order); } -EXPORT_SYMBOL(bch_bset_sort_state_init); static void btree_mergesort(struct btree_keys *b, struct bset *out, struct btree_iter *iter, @@ -1313,7 +1302,6 @@ void bch_btree_sort_partial(struct btree_keys *b, unsigned int start, EBUG_ON(oldsize >= 0 && bch_count_data(b) != oldsize); } -EXPORT_SYMBOL(bch_btree_sort_partial); void bch_btree_sort_and_fix_extents(struct btree_keys *b, struct btree_iter *iter, @@ -1366,7 +1354,6 @@ void bch_btree_sort_lazy(struct btree_keys *b, struct bset_sort_state *state) out: bch_bset_build_written_tree(b); } -EXPORT_SYMBOL(bch_btree_sort_lazy); void bch_btree_keys_stats(struct btree_keys *b, struct bset_stats *stats) { diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index ba434d9ac720..14d6c33b0957 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -543,6 +543,11 @@ static void bch_btree_leaf_dirty(struct btree *b, atomic_t *journal_ref) set_btree_node_dirty(b); + /* + * w->journal is always the oldest journal pin of all bkeys + * in the leaf node, to make sure the oldest jset seq won't + * be increased before this btree node is flushed. + */ if (journal_ref) { if (w->journal && journal_pin_cmp(b->c, w->journal, journal_ref)) { @@ -723,6 +728,8 @@ static unsigned long bch_mca_scan(struct shrinker *shrink, * IO can always make forward progress: */ nr /= c->btree_pages; + if (nr == 0) + nr = 1; nr = min_t(unsigned long, nr, mca_can_free(c)); i = 0; @@ -884,15 +891,17 @@ out: static int mca_cannibalize_lock(struct cache_set *c, struct btree_op *op) { - struct task_struct *old; - - old = cmpxchg(&c->btree_cache_alloc_lock, NULL, current); - if (old && old != current) { + spin_lock(&c->btree_cannibalize_lock); + if (likely(c->btree_cache_alloc_lock == NULL)) { + c->btree_cache_alloc_lock = current; + } else if (c->btree_cache_alloc_lock != current) { if (op) prepare_to_wait(&c->btree_cache_wait, &op->wait, TASK_UNINTERRUPTIBLE); + spin_unlock(&c->btree_cannibalize_lock); return -EINTR; } + spin_unlock(&c->btree_cannibalize_lock); return 0; } @@ -927,10 +936,12 @@ static struct btree *mca_cannibalize(struct cache_set *c, struct btree_op *op, */ static void bch_cannibalize_unlock(struct cache_set *c) { + spin_lock(&c->btree_cannibalize_lock); if (c->btree_cache_alloc_lock == current) { c->btree_cache_alloc_lock = NULL; wake_up(&c->btree_cache_wait); } + spin_unlock(&c->btree_cannibalize_lock); } static struct btree *mca_alloc(struct cache_set *c, struct btree_op *op, diff --git a/drivers/md/bcache/closure.c b/drivers/md/bcache/closure.c index c12cd809ab19..0164a1fe94a9 100644 --- a/drivers/md/bcache/closure.c +++ b/drivers/md/bcache/closure.c @@ -45,7 +45,6 @@ void closure_sub(struct closure *cl, int v) { closure_put_after_sub(cl, atomic_sub_return(v, &cl->remaining)); } -EXPORT_SYMBOL(closure_sub); /* * closure_put - decrement a closure's refcount @@ -54,7 +53,6 @@ void closure_put(struct closure *cl) { closure_put_after_sub(cl, atomic_dec_return(&cl->remaining)); } -EXPORT_SYMBOL(closure_put); /* * closure_wake_up - wake up all closures on a wait list, without memory barrier @@ -76,7 +74,6 @@ void __closure_wake_up(struct closure_waitlist *wait_list) closure_sub(cl, CLOSURE_WAITING + 1); } } -EXPORT_SYMBOL(__closure_wake_up); /** * closure_wait - add a closure to a waitlist @@ -96,7 +93,6 @@ bool closure_wait(struct closure_waitlist *waitlist, struct closure *cl) return true; } -EXPORT_SYMBOL(closure_wait); struct closure_syncer { struct task_struct *task; @@ -131,7 +127,6 @@ void __sched __closure_sync(struct closure *cl) __set_current_state(TASK_RUNNING); } -EXPORT_SYMBOL(__closure_sync); #ifdef CONFIG_BCACHE_CLOSURES_DEBUG @@ -149,7 +144,6 @@ void closure_debug_create(struct closure *cl) list_add(&cl->all, &closure_list); spin_unlock_irqrestore(&closure_list_lock, flags); } -EXPORT_SYMBOL(closure_debug_create); void closure_debug_destroy(struct closure *cl) { @@ -162,7 +156,6 @@ void closure_debug_destroy(struct closure *cl) list_del(&cl->all); spin_unlock_irqrestore(&closure_list_lock, flags); } -EXPORT_SYMBOL(closure_debug_destroy); static struct dentry *closure_debug; diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 41adcd1546f1..73478a91a342 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -62,18 +62,6 @@ static void bch_data_insert_keys(struct closure *cl) struct bkey *replace_key = op->replace ? &op->replace_key : NULL; int ret; - /* - * If we're looping, might already be waiting on - * another journal write - can't wait on more than one journal write at - * a time - * - * XXX: this looks wrong - */ -#if 0 - while (atomic_read(&s->cl.remaining) & CLOSURE_WAITING) - closure_sync(&s->cl); -#endif - if (!op->replace) journal_ref = bch_journal(op->c, &op->insert_keys, op->flush_journal ? cl : NULL); diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 20ed838e9413..77e9869345e7 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -92,10 +92,11 @@ static const char *read_super(struct cache_sb *sb, struct block_device *bdev, pr_debug("read sb version %llu, flags %llu, seq %llu, journal size %u", sb->version, sb->flags, sb->seq, sb->keys); - err = "Not a bcache superblock"; + err = "Not a bcache superblock (bad offset)"; if (sb->offset != SB_SECTOR) goto err; + err = "Not a bcache superblock (bad magic)"; if (memcmp(sb->magic, bcache_magic, 16)) goto err; @@ -529,12 +530,29 @@ static void prio_io(struct cache *ca, uint64_t bucket, int op, closure_sync(cl); } -void bch_prio_write(struct cache *ca) +int bch_prio_write(struct cache *ca, bool wait) { int i; struct bucket *b; struct closure cl; + pr_debug("free_prio=%zu, free_none=%zu, free_inc=%zu", + fifo_used(&ca->free[RESERVE_PRIO]), + fifo_used(&ca->free[RESERVE_NONE]), + fifo_used(&ca->free_inc)); + + /* + * Pre-check if there are enough free buckets. In the non-blocking + * scenario it's better to fail early rather than starting to allocate + * buckets and do a cleanup later in case of failure. + */ + if (!wait) { + size_t avail = fifo_used(&ca->free[RESERVE_PRIO]) + + fifo_used(&ca->free[RESERVE_NONE]); + if (prio_buckets(ca) > avail) + return -ENOMEM; + } + closure_init_stack(&cl); lockdep_assert_held(&ca->set->bucket_lock); @@ -544,9 +562,6 @@ void bch_prio_write(struct cache *ca) atomic_long_add(ca->sb.bucket_size * prio_buckets(ca), &ca->meta_sectors_written); - //pr_debug("free %zu, free_inc %zu, unused %zu", fifo_used(&ca->free), - // fifo_used(&ca->free_inc), fifo_used(&ca->unused)); - for (i = prio_buckets(ca) - 1; i >= 0; --i) { long bucket; struct prio_set *p = ca->disk_buckets; @@ -564,7 +579,7 @@ void bch_prio_write(struct cache *ca) p->magic = pset_magic(&ca->sb); p->csum = bch_crc64(&p->magic, bucket_bytes(ca) - 8); - bucket = bch_bucket_alloc(ca, RESERVE_PRIO, true); + bucket = bch_bucket_alloc(ca, RESERVE_PRIO, wait); BUG_ON(bucket == -1); mutex_unlock(&ca->set->bucket_lock); @@ -593,6 +608,7 @@ void bch_prio_write(struct cache *ca) ca->prio_last_buckets[i] = ca->prio_buckets[i]; } + return 0; } static void prio_read(struct cache *ca, uint64_t bucket) @@ -761,20 +777,28 @@ static inline int idx_to_first_minor(int idx) static void bcache_device_free(struct bcache_device *d) { + struct gendisk *disk = d->disk; + lockdep_assert_held(&bch_register_lock); - pr_info("%s stopped", d->disk->disk_name); + if (disk) + pr_info("%s stopped", disk->disk_name); + else + pr_err("bcache device (NULL gendisk) stopped"); if (d->c) bcache_device_detach(d); - if (d->disk && d->disk->flags & GENHD_FL_UP) - del_gendisk(d->disk); - if (d->disk && d->disk->queue) - blk_cleanup_queue(d->disk->queue); - if (d->disk) { + + if (disk) { + if (disk->flags & GENHD_FL_UP) + del_gendisk(disk); + + if (disk->queue) + blk_cleanup_queue(disk->queue); + ida_simple_remove(&bcache_device_idx, - first_minor_to_idx(d->disk->first_minor)); - put_disk(d->disk); + first_minor_to_idx(disk->first_minor)); + put_disk(disk); } bioset_exit(&d->bio_split); @@ -1769,6 +1793,7 @@ struct cache_set *bch_cache_set_alloc(struct cache_sb *sb) sema_init(&c->sb_write_mutex, 1); mutex_init(&c->bucket_lock); init_waitqueue_head(&c->btree_cache_wait); + spin_lock_init(&c->btree_cannibalize_lock); init_waitqueue_head(&c->bucket_wait); init_waitqueue_head(&c->gc_wait); sema_init(&c->uuid_write_mutex, 1); @@ -1809,6 +1834,7 @@ struct cache_set *bch_cache_set_alloc(struct cache_sb *sb) c->congested_read_threshold_us = 2000; c->congested_write_threshold_us = 20000; c->error_limit = DEFAULT_IO_ERROR_LIMIT; + c->idle_max_writeback_rate_enabled = 1; WARN_ON(test_and_clear_bit(CACHE_SET_IO_DISABLE, &c->flags)); return c; @@ -1954,7 +1980,7 @@ static int run_cache_set(struct cache_set *c) mutex_lock(&c->bucket_lock); for_each_cache(ca, c, i) - bch_prio_write(ca); + bch_prio_write(ca, true); mutex_unlock(&c->bucket_lock); err = "cannot allocate new UUID bucket"; diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c index 627dcea0f5b6..733e2ddf3c78 100644 --- a/drivers/md/bcache/sysfs.c +++ b/drivers/md/bcache/sysfs.c @@ -134,6 +134,7 @@ rw_attribute(expensive_debug_checks); rw_attribute(cache_replacement_policy); rw_attribute(btree_shrinker_disabled); rw_attribute(copy_gc_enabled); +rw_attribute(idle_max_writeback_rate); rw_attribute(gc_after_writeback); rw_attribute(size); @@ -747,6 +748,8 @@ SHOW(__bch_cache_set) sysfs_printf(gc_always_rewrite, "%i", c->gc_always_rewrite); sysfs_printf(btree_shrinker_disabled, "%i", c->shrinker_disabled); sysfs_printf(copy_gc_enabled, "%i", c->copy_gc_enabled); + sysfs_printf(idle_max_writeback_rate, "%i", + c->idle_max_writeback_rate_enabled); sysfs_printf(gc_after_writeback, "%i", c->gc_after_writeback); sysfs_printf(io_disable, "%i", test_bit(CACHE_SET_IO_DISABLE, &c->flags)); @@ -864,6 +867,9 @@ STORE(__bch_cache_set) sysfs_strtoul_bool(gc_always_rewrite, c->gc_always_rewrite); sysfs_strtoul_bool(btree_shrinker_disabled, c->shrinker_disabled); sysfs_strtoul_bool(copy_gc_enabled, c->copy_gc_enabled); + sysfs_strtoul_bool(idle_max_writeback_rate, + c->idle_max_writeback_rate_enabled); + /* * write gc_after_writeback here may overwrite an already set * BCH_DO_AUTO_GC, it doesn't matter because this flag will be @@ -954,6 +960,7 @@ static struct attribute *bch_cache_set_internal_files[] = { &sysfs_gc_always_rewrite, &sysfs_btree_shrinker_disabled, &sysfs_copy_gc_enabled, + &sysfs_idle_max_writeback_rate, &sysfs_gc_after_writeback, &sysfs_io_disable, &sysfs_cutoff_writeback, diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c index d60268fe49e1..4a40f9eadeaf 100644 --- a/drivers/md/bcache/writeback.c +++ b/drivers/md/bcache/writeback.c @@ -122,6 +122,10 @@ static void __update_writeback_rate(struct cached_dev *dc) static bool set_at_max_writeback_rate(struct cache_set *c, struct cached_dev *dc) { + /* Don't sst max writeback rate if it is disabled */ + if (!c->idle_max_writeback_rate_enabled) + return false; + /* Don't set max writeback rate if gc is running */ if (!c->gc_mark_valid) return false; diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index d249cf8ac277..8346e6d1816c 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -542,7 +542,7 @@ static void wake_migration_worker(struct cache *cache) static struct dm_bio_prison_cell_v2 *alloc_prison_cell(struct cache *cache) { - return dm_bio_prison_alloc_cell_v2(cache->prison, GFP_NOWAIT); + return dm_bio_prison_alloc_cell_v2(cache->prison, GFP_NOIO); } static void free_prison_cell(struct cache *cache, struct dm_bio_prison_cell_v2 *cell) @@ -554,9 +554,7 @@ static struct dm_cache_migration *alloc_migration(struct cache *cache) { struct dm_cache_migration *mg; - mg = mempool_alloc(&cache->migration_pool, GFP_NOWAIT); - if (!mg) - return NULL; + mg = mempool_alloc(&cache->migration_pool, GFP_NOIO); memset(mg, 0, sizeof(*mg)); @@ -664,10 +662,6 @@ static bool bio_detain_shared(struct cache *cache, dm_oblock_t oblock, struct bi struct dm_bio_prison_cell_v2 *cell_prealloc, *cell; cell_prealloc = alloc_prison_cell(cache); /* FIXME: allow wait if calling from worker */ - if (!cell_prealloc) { - defer_bio(cache, bio); - return false; - } build_key(oblock, end, &key); r = dm_cell_get_v2(cache->prison, &key, lock_level(bio), bio, cell_prealloc, &cell); @@ -1493,11 +1487,6 @@ static int mg_lock_writes(struct dm_cache_migration *mg) struct dm_bio_prison_cell_v2 *prealloc; prealloc = alloc_prison_cell(cache); - if (!prealloc) { - DMERR_LIMIT("%s: alloc_prison_cell failed", cache_device_name(cache)); - mg_complete(mg, false); - return -ENOMEM; - } /* * Prevent writes to the block, but allow reads to continue. @@ -1535,11 +1524,6 @@ static int mg_start(struct cache *cache, struct policy_work *op, struct bio *bio } mg = alloc_migration(cache); - if (!mg) { - policy_complete_background_work(cache->policy, op, false); - background_work_end(cache); - return -ENOMEM; - } mg->op = op; mg->overwrite_bio = bio; @@ -1628,10 +1612,6 @@ static int invalidate_lock(struct dm_cache_migration *mg) struct dm_bio_prison_cell_v2 *prealloc; prealloc = alloc_prison_cell(cache); - if (!prealloc) { - invalidate_complete(mg, false); - return -ENOMEM; - } build_key(mg->invalidate_oblock, oblock_succ(mg->invalidate_oblock), &key); r = dm_cell_lock_v2(cache->prison, &key, @@ -1669,10 +1649,6 @@ static int invalidate_start(struct cache *cache, dm_cblock_t cblock, return -EPERM; mg = alloc_migration(cache); - if (!mg) { - background_work_end(cache); - return -ENOMEM; - } mg->overwrite_bio = bio; mg->invalidate_cblock = cblock; diff --git a/drivers/md/dm-clone-target.c b/drivers/md/dm-clone-target.c index cd6f9e9fc98e..4ca8f1977222 100644 --- a/drivers/md/dm-clone-target.c +++ b/drivers/md/dm-clone-target.c @@ -591,8 +591,8 @@ static struct hash_table_bucket *get_hash_table_bucket(struct clone *clone, * * NOTE: Must be called with the bucket lock held */ -struct dm_clone_region_hydration *__hash_find(struct hash_table_bucket *bucket, - unsigned long region_nr) +static struct dm_clone_region_hydration *__hash_find(struct hash_table_bucket *bucket, + unsigned long region_nr) { struct dm_clone_region_hydration *hd; diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index f150f5c5492b..4fb1a40e68a0 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -18,7 +18,6 @@ #include <linux/vmalloc.h> #include <linux/log2.h> #include <linux/dm-kcopyd.h> -#include <linux/semaphore.h> #include "dm.h" @@ -107,8 +106,8 @@ struct dm_snapshot { /* The on disk metadata handler */ struct dm_exception_store *store; - /* Maximum number of in-flight COW jobs. */ - struct semaphore cow_count; + unsigned in_progress; + struct wait_queue_head in_progress_wait; struct dm_kcopyd_client *kcopyd_client; @@ -162,8 +161,8 @@ struct dm_snapshot { */ #define DEFAULT_COW_THRESHOLD 2048 -static int cow_threshold = DEFAULT_COW_THRESHOLD; -module_param_named(snapshot_cow_threshold, cow_threshold, int, 0644); +static unsigned cow_threshold = DEFAULT_COW_THRESHOLD; +module_param_named(snapshot_cow_threshold, cow_threshold, uint, 0644); MODULE_PARM_DESC(snapshot_cow_threshold, "Maximum number of chunks being copied on write"); DECLARE_DM_KCOPYD_THROTTLE_WITH_MODULE_PARM(snapshot_copy_throttle, @@ -1327,7 +1326,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv) goto bad_hash_tables; } - sema_init(&s->cow_count, (cow_threshold > 0) ? cow_threshold : INT_MAX); + init_waitqueue_head(&s->in_progress_wait); s->kcopyd_client = dm_kcopyd_client_create(&dm_kcopyd_throttle); if (IS_ERR(s->kcopyd_client)) { @@ -1509,9 +1508,56 @@ static void snapshot_dtr(struct dm_target *ti) dm_put_device(ti, s->origin); + WARN_ON(s->in_progress); + kfree(s); } +static void account_start_copy(struct dm_snapshot *s) +{ + spin_lock(&s->in_progress_wait.lock); + s->in_progress++; + spin_unlock(&s->in_progress_wait.lock); +} + +static void account_end_copy(struct dm_snapshot *s) +{ + spin_lock(&s->in_progress_wait.lock); + BUG_ON(!s->in_progress); + s->in_progress--; + if (likely(s->in_progress <= cow_threshold) && + unlikely(waitqueue_active(&s->in_progress_wait))) + wake_up_locked(&s->in_progress_wait); + spin_unlock(&s->in_progress_wait.lock); +} + +static bool wait_for_in_progress(struct dm_snapshot *s, bool unlock_origins) +{ + if (unlikely(s->in_progress > cow_threshold)) { + spin_lock(&s->in_progress_wait.lock); + if (likely(s->in_progress > cow_threshold)) { + /* + * NOTE: this throttle doesn't account for whether + * the caller is servicing an IO that will trigger a COW + * so excess throttling may result for chunks not required + * to be COW'd. But if cow_threshold was reached, extra + * throttling is unlikely to negatively impact performance. + */ + DECLARE_WAITQUEUE(wait, current); + __add_wait_queue(&s->in_progress_wait, &wait); + __set_current_state(TASK_UNINTERRUPTIBLE); + spin_unlock(&s->in_progress_wait.lock); + if (unlock_origins) + up_read(&_origins_lock); + io_schedule(); + remove_wait_queue(&s->in_progress_wait, &wait); + return false; + } + spin_unlock(&s->in_progress_wait.lock); + } + return true; +} + /* * Flush a list of buffers. */ @@ -1527,7 +1573,7 @@ static void flush_bios(struct bio *bio) } } -static int do_origin(struct dm_dev *origin, struct bio *bio); +static int do_origin(struct dm_dev *origin, struct bio *bio, bool limit); /* * Flush a list of buffers. @@ -1540,7 +1586,7 @@ static void retry_origin_bios(struct dm_snapshot *s, struct bio *bio) while (bio) { n = bio->bi_next; bio->bi_next = NULL; - r = do_origin(s->origin, bio); + r = do_origin(s->origin, bio, false); if (r == DM_MAPIO_REMAPPED) generic_make_request(bio); bio = n; @@ -1732,7 +1778,7 @@ static void copy_callback(int read_err, unsigned long write_err, void *context) rb_link_node(&pe->out_of_order_node, parent, p); rb_insert_color(&pe->out_of_order_node, &s->out_of_order_tree); } - up(&s->cow_count); + account_end_copy(s); } /* @@ -1756,7 +1802,7 @@ static void start_copy(struct dm_snap_pending_exception *pe) dest.count = src.count; /* Hand over to kcopyd */ - down(&s->cow_count); + account_start_copy(s); dm_kcopyd_copy(s->kcopyd_client, &src, 1, &dest, 0, copy_callback, pe); } @@ -1776,7 +1822,7 @@ static void start_full_bio(struct dm_snap_pending_exception *pe, pe->full_bio = bio; pe->full_bio_end_io = bio->bi_end_io; - down(&s->cow_count); + account_start_copy(s); callback_data = dm_kcopyd_prepare_callback(s->kcopyd_client, copy_callback, pe); @@ -1866,7 +1912,7 @@ static void zero_callback(int read_err, unsigned long write_err, void *context) struct bio *bio = context; struct dm_snapshot *s = bio->bi_private; - up(&s->cow_count); + account_end_copy(s); bio->bi_status = write_err ? BLK_STS_IOERR : 0; bio_endio(bio); } @@ -1880,7 +1926,7 @@ static void zero_exception(struct dm_snapshot *s, struct dm_exception *e, dest.sector = bio->bi_iter.bi_sector; dest.count = s->store->chunk_size; - down(&s->cow_count); + account_start_copy(s); WARN_ON_ONCE(bio->bi_private); bio->bi_private = s; dm_kcopyd_zero(s->kcopyd_client, 1, &dest, 0, zero_callback, bio); @@ -1916,6 +1962,11 @@ static int snapshot_map(struct dm_target *ti, struct bio *bio) if (!s->valid) return DM_MAPIO_KILL; + if (bio_data_dir(bio) == WRITE) { + while (unlikely(!wait_for_in_progress(s, false))) + ; /* wait_for_in_progress() has slept */ + } + down_read(&s->lock); dm_exception_table_lock(&lock); @@ -2112,7 +2163,7 @@ redirect_to_origin: if (bio_data_dir(bio) == WRITE) { up_write(&s->lock); - return do_origin(s->origin, bio); + return do_origin(s->origin, bio, false); } out_unlock: @@ -2487,15 +2538,24 @@ next_snapshot: /* * Called on a write from the origin driver. */ -static int do_origin(struct dm_dev *origin, struct bio *bio) +static int do_origin(struct dm_dev *origin, struct bio *bio, bool limit) { struct origin *o; int r = DM_MAPIO_REMAPPED; +again: down_read(&_origins_lock); o = __lookup_origin(origin->bdev); - if (o) + if (o) { + if (limit) { + struct dm_snapshot *s; + list_for_each_entry(s, &o->snapshots, list) + if (unlikely(!wait_for_in_progress(s, true))) + goto again; + } + r = __origin_write(&o->snapshots, bio->bi_iter.bi_sector, bio); + } up_read(&_origins_lock); return r; @@ -2608,7 +2668,7 @@ static int origin_map(struct dm_target *ti, struct bio *bio) dm_accept_partial_bio(bio, available_sectors); /* Only tell snapshots if this is a write */ - return do_origin(o->dev, bio); + return do_origin(o->dev, bio, true); } /* diff --git a/drivers/md/md.c b/drivers/md/md.c index 6f0ecfe8eab2..805b33e27496 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1105,6 +1105,7 @@ static int super_90_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor char b[BDEVNAME_SIZE], b2[BDEVNAME_SIZE]; mdp_super_t *sb; int ret; + bool spare_disk = true; /* * Calculate the position of the superblock (512byte sectors), @@ -1155,13 +1156,15 @@ static int super_90_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor else rdev->desc_nr = sb->this_disk.number; + /* not spare disk, or LEVEL_MULTIPATH */ + if (sb->level == LEVEL_MULTIPATH || + (rdev->desc_nr >= 0 && + sb->disks[rdev->desc_nr].state & + ((1<<MD_DISK_SYNC) | (1 << MD_DISK_ACTIVE)))) + spare_disk = false; + if (!refdev) { - /* - * Insist on good event counter while assembling, except - * for spares (which don't need an event count) - */ - if (sb->disks[rdev->desc_nr].state & ( - (1<<MD_DISK_SYNC) | (1 << MD_DISK_ACTIVE))) + if (!spare_disk) ret = 1; else ret = 0; @@ -1181,13 +1184,7 @@ static int super_90_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor ev1 = md_event(sb); ev2 = md_event(refsb); - /* - * Insist on good event counter while assembling, except - * for spares (which don't need an event count) - */ - if (sb->disks[rdev->desc_nr].state & ( - (1<<MD_DISK_SYNC) | (1 << MD_DISK_ACTIVE)) && - (ev1 > ev2)) + if (!spare_disk && ev1 > ev2) ret = 1; else ret = 0; @@ -1547,7 +1544,7 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_ sector_t sectors; char b[BDEVNAME_SIZE], b2[BDEVNAME_SIZE]; int bmask; - __u64 role; + bool spare_disk = true; /* * Calculate the position of the superblock in 512byte sectors. @@ -1681,17 +1678,16 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_ sb->level != 0) return -EINVAL; - role = le16_to_cpu(sb->dev_roles[rdev->desc_nr]); + /* not spare disk, or LEVEL_MULTIPATH */ + if (sb->level == cpu_to_le32(LEVEL_MULTIPATH) || + (rdev->desc_nr >= 0 && + rdev->desc_nr < le32_to_cpu(sb->max_dev) && + (le16_to_cpu(sb->dev_roles[rdev->desc_nr]) < MD_DISK_ROLE_MAX || + le16_to_cpu(sb->dev_roles[rdev->desc_nr]) == MD_DISK_ROLE_JOURNAL))) + spare_disk = false; if (!refdev) { - /* - * Insist of good event counter while assembling, except for - * spares (which don't need an event count) - */ - if (rdev->desc_nr >= 0 && - rdev->desc_nr < le32_to_cpu(sb->max_dev) && - (role < MD_DISK_ROLE_MAX || - role == MD_DISK_ROLE_JOURNAL)) + if (!spare_disk) ret = 1; else ret = 0; @@ -1711,14 +1707,7 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_ ev1 = le64_to_cpu(sb->events); ev2 = le64_to_cpu(refsb->events); - /* - * Insist of good event counter while assembling, except for - * spares (which don't need an event count) - */ - if (rdev->desc_nr >= 0 && - rdev->desc_nr < le32_to_cpu(sb->max_dev) && - (role < MD_DISK_ROLE_MAX || - role == MD_DISK_ROLE_JOURNAL) && ev1 > ev2) + if (!spare_disk && ev1 > ev2) ret = 1; else ret = 0; diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index f2b83bd2fee6..b7c20979bd19 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -154,7 +154,7 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf) } else { pr_err("md/raid0:%s: cannot assemble multi-zone RAID0 with default_layout setting\n", mdname(mddev)); - pr_err("md/raid0: please set raid.default_layout to 1 or 2\n"); + pr_err("md/raid0: please set raid0.default_layout to 1 or 2\n"); err = -ENOTSUPP; goto abort; } diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index bb29aeefcbd0..a409ab6f30bc 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -819,6 +819,7 @@ static void flush_bio_list(struct r1conf *conf, struct bio *bio) else generic_make_request(bio); bio = next; + cond_resched(); } } diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 2eca0a81a8c9..ec136e44aef7 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -191,7 +191,7 @@ static void * r10buf_pool_alloc(gfp_t gfp_flags, void *data) out_free_pages: while (--j >= 0) - resync_free_pages(&rps[j * 2]); + resync_free_pages(&rps[j]); j = 0; out_free_bio: diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c index 18a4064a61a8..cab5b1352892 100644 --- a/drivers/md/raid5-ppl.c +++ b/drivers/md/raid5-ppl.c @@ -1404,7 +1404,7 @@ int ppl_init_log(struct r5conf *conf) atomic64_set(&ppl_conf->seq, 0); INIT_LIST_HEAD(&ppl_conf->no_mem_stripes); spin_lock_init(&ppl_conf->no_mem_stripes_lock); - ppl_conf->write_hint = RWF_WRITE_LIFE_NOT_SET; + ppl_conf->write_hint = RWH_WRITE_LIFE_NOT_SET; if (!mddev->external) { ppl_conf->signature = ~crc32c_le(~0, mddev->uuid, sizeof(mddev->uuid)); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 12a8ce83786e..f0fc538bfe59 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -1134,7 +1134,7 @@ again: bi->bi_iter.bi_size = STRIPE_SIZE; bi->bi_write_hint = sh->dev[i].write_hint; if (!rrdev) - sh->dev[i].write_hint = RWF_WRITE_LIFE_NOT_SET; + sh->dev[i].write_hint = RWH_WRITE_LIFE_NOT_SET; /* * If this is discard request, set bi_vcnt 0. We don't * want to confuse SCSI because SCSI will replace payload @@ -1187,7 +1187,7 @@ again: rbi->bi_io_vec[0].bv_offset = 0; rbi->bi_iter.bi_size = STRIPE_SIZE; rbi->bi_write_hint = sh->dev[i].write_hint; - sh->dev[i].write_hint = RWF_WRITE_LIFE_NOT_SET; + sh->dev[i].write_hint = RWH_WRITE_LIFE_NOT_SET; /* * If this is discard request, set bi_vcnt 0. We don't * want to confuse SCSI because SCSI will replace payload diff --git a/drivers/media/usb/stkwebcam/stk-webcam.c b/drivers/media/usb/stkwebcam/stk-webcam.c index cfca3c70599b..21f90a887485 100644 --- a/drivers/media/usb/stkwebcam/stk-webcam.c +++ b/drivers/media/usb/stkwebcam/stk-webcam.c @@ -643,8 +643,7 @@ static int v4l_stk_release(struct file *fp) dev->owner = NULL; } - if (is_present(dev)) - usb_autopm_put_interface(dev->interface); + usb_autopm_put_interface(dev->interface); mutex_unlock(&dev->lock); return v4l2_fh_release(fp); } diff --git a/drivers/memstick/host/jmb38x_ms.c b/drivers/memstick/host/jmb38x_ms.c index 32747425297d..64fff6abe60e 100644 --- a/drivers/memstick/host/jmb38x_ms.c +++ b/drivers/memstick/host/jmb38x_ms.c @@ -941,7 +941,7 @@ static int jmb38x_ms_probe(struct pci_dev *pdev, if (!cnt) { rc = -ENODEV; pci_dev_busy = 1; - goto err_out; + goto err_out_int; } jm = kzalloc(sizeof(struct jmb38x_ms) diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c index 310dae26ddff..b2c325ead1c8 100644 --- a/drivers/mfd/mt6397-core.c +++ b/drivers/mfd/mt6397-core.c @@ -129,11 +129,27 @@ static int mt6397_irq_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(mt6397_pm_ops, mt6397_irq_suspend, mt6397_irq_resume); +struct chip_data { + u32 cid_addr; + u32 cid_shift; +}; + +static const struct chip_data mt6323_core = { + .cid_addr = MT6323_CID, + .cid_shift = 0, +}; + +static const struct chip_data mt6397_core = { + .cid_addr = MT6397_CID, + .cid_shift = 0, +}; + static int mt6397_probe(struct platform_device *pdev) { int ret; unsigned int id; struct mt6397_chip *pmic; + const struct chip_data *pmic_core; pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL); if (!pmic) @@ -149,28 +165,30 @@ static int mt6397_probe(struct platform_device *pdev) if (!pmic->regmap) return -ENODEV; - platform_set_drvdata(pdev, pmic); + pmic_core = of_device_get_match_data(&pdev->dev); + if (!pmic_core) + return -ENODEV; - ret = regmap_read(pmic->regmap, MT6397_CID, &id); + ret = regmap_read(pmic->regmap, pmic_core->cid_addr, &id); if (ret) { - dev_err(pmic->dev, "Failed to read chip id: %d\n", ret); + dev_err(&pdev->dev, "Failed to read chip id: %d\n", ret); return ret; } + pmic->chip_id = (id >> pmic_core->cid_shift) & 0xff; + + platform_set_drvdata(pdev, pmic); + pmic->irq = platform_get_irq(pdev, 0); if (pmic->irq <= 0) return pmic->irq; - switch (id & 0xff) { - case MT6323_CHIP_ID: - pmic->int_con[0] = MT6323_INT_CON0; - pmic->int_con[1] = MT6323_INT_CON1; - pmic->int_status[0] = MT6323_INT_STATUS0; - pmic->int_status[1] = MT6323_INT_STATUS1; - ret = mt6397_irq_init(pmic); - if (ret) - return ret; + ret = mt6397_irq_init(pmic); + if (ret) + return ret; + switch (pmic->chip_id) { + case MT6323_CHIP_ID: ret = devm_mfd_add_devices(&pdev->dev, -1, mt6323_devs, ARRAY_SIZE(mt6323_devs), NULL, 0, pmic->irq_domain); @@ -178,21 +196,13 @@ static int mt6397_probe(struct platform_device *pdev) case MT6391_CHIP_ID: case MT6397_CHIP_ID: - pmic->int_con[0] = MT6397_INT_CON0; - pmic->int_con[1] = MT6397_INT_CON1; - pmic->int_status[0] = MT6397_INT_STATUS0; - pmic->int_status[1] = MT6397_INT_STATUS1; - ret = mt6397_irq_init(pmic); - if (ret) - return ret; - ret = devm_mfd_add_devices(&pdev->dev, -1, mt6397_devs, ARRAY_SIZE(mt6397_devs), NULL, 0, pmic->irq_domain); break; default: - dev_err(&pdev->dev, "unsupported chip: %d\n", id); + dev_err(&pdev->dev, "unsupported chip: %d\n", pmic->chip_id); return -ENODEV; } @@ -205,9 +215,15 @@ static int mt6397_probe(struct platform_device *pdev) } static const struct of_device_id mt6397_of_match[] = { - { .compatible = "mediatek,mt6397" }, - { .compatible = "mediatek,mt6323" }, - { } + { + .compatible = "mediatek,mt6323", + .data = &mt6323_core, + }, { + .compatible = "mediatek,mt6397", + .data = &mt6397_core, + }, { + /* sentinel */ + } }; MODULE_DEVICE_TABLE(of, mt6397_of_match); diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index 47ae84afac2e..1b1a794d639d 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -527,6 +527,7 @@ static int fastrpc_dma_buf_attach(struct dma_buf *dmabuf, FASTRPC_PHYS(buffer->phys), buffer->size); if (ret < 0) { dev_err(buffer->dev, "failed to get scatterlist from DMA API\n"); + kfree(a); return -EINVAL; } diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c index 32e9b1aed2ca..0a2b99e1af45 100644 --- a/drivers/misc/mei/bus-fixup.c +++ b/drivers/misc/mei/bus-fixup.c @@ -218,13 +218,21 @@ static void mei_mkhi_fix(struct mei_cl_device *cldev) { int ret; + /* No need to enable the client if nothing is needed from it */ + if (!cldev->bus->fw_f_fw_ver_supported && + !cldev->bus->hbm_f_os_supported) + return; + ret = mei_cldev_enable(cldev); if (ret) return; - ret = mei_fwver(cldev); - if (ret < 0) - dev_err(&cldev->dev, "FW version command failed %d\n", ret); + if (cldev->bus->fw_f_fw_ver_supported) { + ret = mei_fwver(cldev); + if (ret < 0) + dev_err(&cldev->dev, "FW version command failed %d\n", + ret); + } if (cldev->bus->hbm_f_os_supported) { ret = mei_osver(cldev); diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h index 77f7dff7098d..c09f8bb49495 100644 --- a/drivers/misc/mei/hw-me-regs.h +++ b/drivers/misc/mei/hw-me-regs.h @@ -79,6 +79,9 @@ #define MEI_DEV_ID_CNP_H 0xA360 /* Cannon Point H */ #define MEI_DEV_ID_CNP_H_4 0xA364 /* Cannon Point H 4 (iTouch) */ +#define MEI_DEV_ID_CMP_LP 0x02e0 /* Comet Point LP */ +#define MEI_DEV_ID_CMP_LP_3 0x02e4 /* Comet Point LP 3 (iTouch) */ + #define MEI_DEV_ID_ICP_LP 0x34E0 /* Ice Lake Point LP */ #define MEI_DEV_ID_TGP_LP 0xA0E0 /* Tiger Lake Point LP */ diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index abe1b1f4362f..c4f6991d3028 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -1355,6 +1355,8 @@ static bool mei_me_fw_type_sps(struct pci_dev *pdev) #define MEI_CFG_FW_SPS \ .quirk_probe = mei_me_fw_type_sps +#define MEI_CFG_FW_VER_SUPP \ + .fw_ver_supported = 1 #define MEI_CFG_ICH_HFS \ .fw_status.count = 0 @@ -1392,31 +1394,41 @@ static const struct mei_cfg mei_me_ich10_cfg = { MEI_CFG_ICH10_HFS, }; -/* PCH devices */ -static const struct mei_cfg mei_me_pch_cfg = { +/* PCH6 devices */ +static const struct mei_cfg mei_me_pch6_cfg = { MEI_CFG_PCH_HFS, }; +/* PCH7 devices */ +static const struct mei_cfg mei_me_pch7_cfg = { + MEI_CFG_PCH_HFS, + MEI_CFG_FW_VER_SUPP, +}; + /* PCH Cougar Point and Patsburg with quirk for Node Manager exclusion */ static const struct mei_cfg mei_me_pch_cpt_pbg_cfg = { MEI_CFG_PCH_HFS, + MEI_CFG_FW_VER_SUPP, MEI_CFG_FW_NM, }; /* PCH8 Lynx Point and newer devices */ static const struct mei_cfg mei_me_pch8_cfg = { MEI_CFG_PCH8_HFS, + MEI_CFG_FW_VER_SUPP, }; /* PCH8 Lynx Point with quirk for SPS Firmware exclusion */ static const struct mei_cfg mei_me_pch8_sps_cfg = { MEI_CFG_PCH8_HFS, + MEI_CFG_FW_VER_SUPP, MEI_CFG_FW_SPS, }; /* Cannon Lake and newer devices */ static const struct mei_cfg mei_me_pch12_cfg = { MEI_CFG_PCH8_HFS, + MEI_CFG_FW_VER_SUPP, MEI_CFG_DMA_128, }; @@ -1428,7 +1440,8 @@ static const struct mei_cfg *const mei_cfg_list[] = { [MEI_ME_UNDEF_CFG] = NULL, [MEI_ME_ICH_CFG] = &mei_me_ich_cfg, [MEI_ME_ICH10_CFG] = &mei_me_ich10_cfg, - [MEI_ME_PCH_CFG] = &mei_me_pch_cfg, + [MEI_ME_PCH6_CFG] = &mei_me_pch6_cfg, + [MEI_ME_PCH7_CFG] = &mei_me_pch7_cfg, [MEI_ME_PCH_CPT_PBG_CFG] = &mei_me_pch_cpt_pbg_cfg, [MEI_ME_PCH8_CFG] = &mei_me_pch8_cfg, [MEI_ME_PCH8_SPS_CFG] = &mei_me_pch8_sps_cfg, @@ -1473,6 +1486,8 @@ struct mei_device *mei_me_dev_init(struct pci_dev *pdev, mei_device_init(dev, &pdev->dev, &mei_me_hw_ops); hw->cfg = cfg; + dev->fw_f_fw_ver_supported = cfg->fw_ver_supported; + return dev; } diff --git a/drivers/misc/mei/hw-me.h b/drivers/misc/mei/hw-me.h index 08c84a0de4a8..1d8794828cbc 100644 --- a/drivers/misc/mei/hw-me.h +++ b/drivers/misc/mei/hw-me.h @@ -20,11 +20,13 @@ * @fw_status: FW status * @quirk_probe: device exclusion quirk * @dma_size: device DMA buffers size + * @fw_ver_supported: is fw version retrievable from FW */ struct mei_cfg { const struct mei_fw_status fw_status; bool (*quirk_probe)(struct pci_dev *pdev); size_t dma_size[DMA_DSCR_NUM]; + u32 fw_ver_supported:1; }; @@ -62,7 +64,8 @@ struct mei_me_hw { * @MEI_ME_UNDEF_CFG: Lower sentinel. * @MEI_ME_ICH_CFG: I/O Controller Hub legacy devices. * @MEI_ME_ICH10_CFG: I/O Controller Hub platforms Gen10 - * @MEI_ME_PCH_CFG: Platform Controller Hub platforms (Up to Gen8). + * @MEI_ME_PCH6_CFG: Platform Controller Hub platforms (Gen6). + * @MEI_ME_PCH7_CFG: Platform Controller Hub platforms (Gen7). * @MEI_ME_PCH_CPT_PBG_CFG:Platform Controller Hub workstations * with quirk for Node Manager exclusion. * @MEI_ME_PCH8_CFG: Platform Controller Hub Gen8 and newer @@ -77,7 +80,8 @@ enum mei_cfg_idx { MEI_ME_UNDEF_CFG, MEI_ME_ICH_CFG, MEI_ME_ICH10_CFG, - MEI_ME_PCH_CFG, + MEI_ME_PCH6_CFG, + MEI_ME_PCH7_CFG, MEI_ME_PCH_CPT_PBG_CFG, MEI_ME_PCH8_CFG, MEI_ME_PCH8_SPS_CFG, diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index f71a023aed3c..0f2141178299 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -426,6 +426,8 @@ struct mei_fw_version { * * @fw_ver : FW versions * + * @fw_f_fw_ver_supported : fw feature: fw version supported + * * @me_clients_rwsem: rw lock over me_clients list * @me_clients : list of FW clients * @me_clients_map : FW clients bit map @@ -506,6 +508,8 @@ struct mei_device { struct mei_fw_version fw_ver[MEI_MAX_FW_VER_BLOCKS]; + unsigned int fw_f_fw_ver_supported:1; + struct rw_semaphore me_clients_rwsem; struct list_head me_clients; DECLARE_BITMAP(me_clients_map, MEI_CLIENTS_MAX); diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c index d5a92c6eadb3..3dca63eddaa0 100644 --- a/drivers/misc/mei/pci-me.c +++ b/drivers/misc/mei/pci-me.c @@ -61,13 +61,13 @@ static const struct pci_device_id mei_me_pci_tbl[] = { {MEI_PCI_DEVICE(MEI_DEV_ID_ICH10_3, MEI_ME_ICH10_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_ICH10_4, MEI_ME_ICH10_CFG)}, - {MEI_PCI_DEVICE(MEI_DEV_ID_IBXPK_1, MEI_ME_PCH_CFG)}, - {MEI_PCI_DEVICE(MEI_DEV_ID_IBXPK_2, MEI_ME_PCH_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_IBXPK_1, MEI_ME_PCH6_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_IBXPK_2, MEI_ME_PCH6_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_CPT_1, MEI_ME_PCH_CPT_PBG_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_PBG_1, MEI_ME_PCH_CPT_PBG_CFG)}, - {MEI_PCI_DEVICE(MEI_DEV_ID_PPT_1, MEI_ME_PCH_CFG)}, - {MEI_PCI_DEVICE(MEI_DEV_ID_PPT_2, MEI_ME_PCH_CFG)}, - {MEI_PCI_DEVICE(MEI_DEV_ID_PPT_3, MEI_ME_PCH_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_PPT_1, MEI_ME_PCH7_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_PPT_2, MEI_ME_PCH7_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_PPT_3, MEI_ME_PCH7_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_LPT_H, MEI_ME_PCH8_SPS_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_LPT_W, MEI_ME_PCH8_SPS_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_LPT_LP, MEI_ME_PCH8_CFG)}, @@ -96,6 +96,9 @@ static const struct pci_device_id mei_me_pci_tbl[] = { {MEI_PCI_DEVICE(MEI_DEV_ID_CNP_H, MEI_ME_PCH12_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_CNP_H_4, MEI_ME_PCH8_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_CMP_LP, MEI_ME_PCH12_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_CMP_LP_3, MEI_ME_PCH8_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_ICP_LP, MEI_ME_PCH12_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_TGP_LP, MEI_ME_PCH12_CFG)}, diff --git a/drivers/mmc/host/cqhci.c b/drivers/mmc/host/cqhci.c index f7bdae5354c3..5047f7343ffc 100644 --- a/drivers/mmc/host/cqhci.c +++ b/drivers/mmc/host/cqhci.c @@ -611,7 +611,8 @@ static int cqhci_request(struct mmc_host *mmc, struct mmc_request *mrq) cq_host->slot[tag].flags = 0; cq_host->qcnt += 1; - + /* Make sure descriptors are ready before ringing the doorbell */ + wmb(); cqhci_writel(cq_host, 1 << tag, CQHCI_TDBR); if (!(cqhci_readl(cq_host, CQHCI_TDBR) & (1 << tag))) pr_debug("%s: cqhci: doorbell not set for tag %d\n", diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c index 78e7e350655c..4031217d21c3 100644 --- a/drivers/mmc/host/mxs-mmc.c +++ b/drivers/mmc/host/mxs-mmc.c @@ -17,6 +17,7 @@ #include <linux/interrupt.h> #include <linux/dma-mapping.h> #include <linux/dmaengine.h> +#include <linux/dma/mxs-dma.h> #include <linux/highmem.h> #include <linux/clk.h> #include <linux/err.h> @@ -266,7 +267,7 @@ static void mxs_mmc_bc(struct mxs_mmc_host *host) ssp->ssp_pio_words[2] = cmd1; ssp->dma_dir = DMA_NONE; ssp->slave_dirn = DMA_TRANS_NONE; - desc = mxs_mmc_prep_dma(host, DMA_CTRL_ACK); + desc = mxs_mmc_prep_dma(host, MXS_DMA_CTRL_WAIT4END); if (!desc) goto out; @@ -311,7 +312,7 @@ static void mxs_mmc_ac(struct mxs_mmc_host *host) ssp->ssp_pio_words[2] = cmd1; ssp->dma_dir = DMA_NONE; ssp->slave_dirn = DMA_TRANS_NONE; - desc = mxs_mmc_prep_dma(host, DMA_CTRL_ACK); + desc = mxs_mmc_prep_dma(host, MXS_DMA_CTRL_WAIT4END); if (!desc) goto out; @@ -441,7 +442,7 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host) host->data = data; ssp->dma_dir = dma_data_dir; ssp->slave_dirn = slave_dirn; - desc = mxs_mmc_prep_dma(host, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); + desc = mxs_mmc_prep_dma(host, DMA_PREP_INTERRUPT | MXS_DMA_CTRL_WAIT4END); if (!desc) goto out; diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c index d4ada5cca2d1..234551a68739 100644 --- a/drivers/mmc/host/renesas_sdhi_core.c +++ b/drivers/mmc/host/renesas_sdhi_core.c @@ -646,8 +646,8 @@ int renesas_sdhi_probe(struct platform_device *pdev, struct tmio_mmc_dma *dma_priv; struct tmio_mmc_host *host; struct renesas_sdhi *priv; + int num_irqs, irq, ret, i; struct resource *res; - int irq, ret, i; u16 ver; of_data = of_device_get_match_data(&pdev->dev); @@ -825,24 +825,31 @@ int renesas_sdhi_probe(struct platform_device *pdev, host->hs400_complete = renesas_sdhi_hs400_complete; } - i = 0; - while (1) { + num_irqs = platform_irq_count(pdev); + if (num_irqs < 0) { + ret = num_irqs; + goto eirq; + } + + /* There must be at least one IRQ source */ + if (!num_irqs) { + ret = -ENXIO; + goto eirq; + } + + for (i = 0; i < num_irqs; i++) { irq = platform_get_irq(pdev, i); - if (irq < 0) - break; - i++; + if (irq < 0) { + ret = irq; + goto eirq; + } + ret = devm_request_irq(&pdev->dev, irq, tmio_mmc_irq, 0, dev_name(&pdev->dev), host); if (ret) goto eirq; } - /* There must be at least one IRQ source */ - if (!i) { - ret = irq; - goto eirq; - } - dev_info(&pdev->dev, "%s base at 0x%08lx max clock rate %u MHz\n", mmc_hostname(host->mmc), (unsigned long) (platform_get_resource(pdev, IORESOURCE_MEM, 0)->start), diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c index 2b9cdcd1dd9d..f4f5f0a70cda 100644 --- a/drivers/mmc/host/sdhci-iproc.c +++ b/drivers/mmc/host/sdhci-iproc.c @@ -262,6 +262,7 @@ static const struct sdhci_iproc_data bcm2835_data = { }; static const struct sdhci_pltfm_data sdhci_bcm2711_pltfm_data = { + .quirks = SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12, .ops = &sdhci_iproc_32only_ops, }; diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c index e7d1920729fb..0ae986c42bc8 100644 --- a/drivers/mmc/host/sdhci-of-at91.c +++ b/drivers/mmc/host/sdhci-of-at91.c @@ -358,7 +358,7 @@ static int sdhci_at91_probe(struct platform_device *pdev) pm_runtime_use_autosuspend(&pdev->dev); /* HS200 is broken at this moment */ - host->quirks2 = SDHCI_QUIRK2_BROKEN_HS200; + host->quirks2 |= SDHCI_QUIRK2_BROKEN_HS200; ret = sdhci_add_host(host); if (ret) diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c index 41c2677c587f..083e7e053c95 100644 --- a/drivers/mmc/host/sdhci-omap.c +++ b/drivers/mmc/host/sdhci-omap.c @@ -372,7 +372,7 @@ static int sdhci_omap_execute_tuning(struct mmc_host *mmc, u32 opcode) * on temperature */ if (temperature < -20000) - phase_delay = min(max_window + 4 * max_len - 24, + phase_delay = min(max_window + 4 * (max_len - 1) - 24, max_window + DIV_ROUND_UP(13 * max_len, 16) * 4); else if (temperature < 20000) diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index 81bd9afb0980..98c575de43c7 100644 --- a/drivers/mmc/host/sh_mmcif.c +++ b/drivers/mmc/host/sh_mmcif.c @@ -1393,11 +1393,9 @@ static int sh_mmcif_probe(struct platform_device *pdev) const char *name; irq[0] = platform_get_irq(pdev, 0); - irq[1] = platform_get_irq(pdev, 1); - if (irq[0] < 0) { - dev_err(dev, "Get irq error\n"); + irq[1] = platform_get_irq_optional(pdev, 1); + if (irq[0] < 0) return -ENXIO; - } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); reg = devm_ioremap_resource(dev, res); diff --git a/drivers/mtd/nand/raw/au1550nd.c b/drivers/mtd/nand/raw/au1550nd.c index 97a97a9ccc36..e10b76089048 100644 --- a/drivers/mtd/nand/raw/au1550nd.c +++ b/drivers/mtd/nand/raw/au1550nd.c @@ -134,16 +134,15 @@ static void au_write_buf16(struct nand_chip *this, const u_char *buf, int len) /** * au_read_buf16 - read chip data into buffer - * @mtd: MTD device structure + * @this: NAND chip object * @buf: buffer to store date * @len: number of bytes to read * * read function for 16bit buswidth */ -static void au_read_buf16(struct mtd_info *mtd, u_char *buf, int len) +static void au_read_buf16(struct nand_chip *this, u_char *buf, int len) { int i; - struct nand_chip *this = mtd_to_nand(mtd); u16 *p = (u16 *) buf; len >>= 1; diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 1d8621d43160..7acf4a93b592 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -487,7 +487,7 @@ static int write_sr(struct spi_nor *nor, u8 val) SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_WRSR, 1), SPI_MEM_OP_NO_ADDR, SPI_MEM_OP_NO_DUMMY, - SPI_MEM_OP_DATA_IN(1, nor->bouncebuf, 1)); + SPI_MEM_OP_DATA_OUT(1, nor->bouncebuf, 1)); return spi_mem_exec_op(nor->spimem, &op); } diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index 8c79bad2a9a5..4f2e6910c623 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -952,7 +952,7 @@ static int alb_upper_dev_walk(struct net_device *upper, void *_data) struct bond_vlan_tag *tags; if (is_vlan_dev(upper) && - bond->nest_level == vlan_get_encap_level(upper) - 1) { + bond->dev->lower_level == upper->lower_level - 1) { if (upper->addr_assign_type == NET_ADDR_STOLEN) { alb_send_lp_vid(slave, mac_addr, vlan_dev_vlan_proto(upper), diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 931d9d935686..62f65573eb04 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1733,8 +1733,6 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev, goto err_upper_unlink; } - bond->nest_level = dev_get_nest_level(bond_dev) + 1; - /* If the mode uses primary, then the following is handled by * bond_change_active_slave(). */ @@ -1816,7 +1814,8 @@ err_detach: slave_disable_netpoll(new_slave); err_close: - slave_dev->priv_flags &= ~IFF_BONDING; + if (!netif_is_bond_master(slave_dev)) + slave_dev->priv_flags &= ~IFF_BONDING; dev_close(slave_dev); err_restore_mac: @@ -1956,9 +1955,6 @@ static int __bond_release_one(struct net_device *bond_dev, if (!bond_has_slaves(bond)) { bond_set_carrier(bond); eth_hw_addr_random(bond_dev); - bond->nest_level = SINGLE_DEPTH_NESTING; - } else { - bond->nest_level = dev_get_nest_level(bond_dev) + 1; } unblock_netpoll_tx(); @@ -2017,7 +2013,8 @@ static int __bond_release_one(struct net_device *bond_dev, else dev_set_mtu(slave_dev, slave->original_mtu); - slave_dev->priv_flags &= ~IFF_BONDING; + if (!netif_is_bond_master(slave_dev)) + slave_dev->priv_flags &= ~IFF_BONDING; bond_free_slave(slave); @@ -2086,8 +2083,7 @@ static int bond_miimon_inspect(struct bonding *bond) ignore_updelay = !rcu_dereference(bond->curr_active_slave); bond_for_each_slave_rcu(bond, slave, iter) { - slave->new_link = BOND_LINK_NOCHANGE; - slave->link_new_state = slave->link; + bond_propose_link_state(slave, BOND_LINK_NOCHANGE); link_state = bond_check_dev_link(bond, slave->dev, 0); @@ -2121,7 +2117,7 @@ static int bond_miimon_inspect(struct bonding *bond) } if (slave->delay <= 0) { - slave->new_link = BOND_LINK_DOWN; + bond_propose_link_state(slave, BOND_LINK_DOWN); commit++; continue; } @@ -2158,7 +2154,7 @@ static int bond_miimon_inspect(struct bonding *bond) slave->delay = 0; if (slave->delay <= 0) { - slave->new_link = BOND_LINK_UP; + bond_propose_link_state(slave, BOND_LINK_UP); commit++; ignore_updelay = false; continue; @@ -2196,7 +2192,7 @@ static void bond_miimon_commit(struct bonding *bond) struct slave *slave, *primary; bond_for_each_slave(bond, slave, iter) { - switch (slave->new_link) { + switch (slave->link_new_state) { case BOND_LINK_NOCHANGE: /* For 802.3ad mode, check current slave speed and * duplex again in case its port was disabled after @@ -2268,8 +2264,8 @@ static void bond_miimon_commit(struct bonding *bond) default: slave_err(bond->dev, slave->dev, "invalid new link %d on slave\n", - slave->new_link); - slave->new_link = BOND_LINK_NOCHANGE; + slave->link_new_state); + bond_propose_link_state(slave, BOND_LINK_NOCHANGE); continue; } @@ -2677,13 +2673,13 @@ static void bond_loadbalance_arp_mon(struct bonding *bond) bond_for_each_slave_rcu(bond, slave, iter) { unsigned long trans_start = dev_trans_start(slave->dev); - slave->new_link = BOND_LINK_NOCHANGE; + bond_propose_link_state(slave, BOND_LINK_NOCHANGE); if (slave->link != BOND_LINK_UP) { if (bond_time_in_interval(bond, trans_start, 1) && bond_time_in_interval(bond, slave->last_rx, 1)) { - slave->new_link = BOND_LINK_UP; + bond_propose_link_state(slave, BOND_LINK_UP); slave_state_changed = 1; /* primary_slave has no meaning in round-robin @@ -2708,7 +2704,7 @@ static void bond_loadbalance_arp_mon(struct bonding *bond) if (!bond_time_in_interval(bond, trans_start, 2) || !bond_time_in_interval(bond, slave->last_rx, 2)) { - slave->new_link = BOND_LINK_DOWN; + bond_propose_link_state(slave, BOND_LINK_DOWN); slave_state_changed = 1; if (slave->link_failure_count < UINT_MAX) @@ -2739,8 +2735,8 @@ static void bond_loadbalance_arp_mon(struct bonding *bond) goto re_arm; bond_for_each_slave(bond, slave, iter) { - if (slave->new_link != BOND_LINK_NOCHANGE) - slave->link = slave->new_link; + if (slave->link_new_state != BOND_LINK_NOCHANGE) + slave->link = slave->link_new_state; } if (slave_state_changed) { @@ -2763,9 +2759,9 @@ re_arm: } /* Called to inspect slaves for active-backup mode ARP monitor link state - * changes. Sets new_link in slaves to specify what action should take - * place for the slave. Returns 0 if no changes are found, >0 if changes - * to link states must be committed. + * changes. Sets proposed link state in slaves to specify what action + * should take place for the slave. Returns 0 if no changes are found, >0 + * if changes to link states must be committed. * * Called with rcu_read_lock held. */ @@ -2777,12 +2773,12 @@ static int bond_ab_arp_inspect(struct bonding *bond) int commit = 0; bond_for_each_slave_rcu(bond, slave, iter) { - slave->new_link = BOND_LINK_NOCHANGE; + bond_propose_link_state(slave, BOND_LINK_NOCHANGE); last_rx = slave_last_rx(bond, slave); if (slave->link != BOND_LINK_UP) { if (bond_time_in_interval(bond, last_rx, 1)) { - slave->new_link = BOND_LINK_UP; + bond_propose_link_state(slave, BOND_LINK_UP); commit++; } continue; @@ -2810,7 +2806,7 @@ static int bond_ab_arp_inspect(struct bonding *bond) if (!bond_is_active_slave(slave) && !rcu_access_pointer(bond->current_arp_slave) && !bond_time_in_interval(bond, last_rx, 3)) { - slave->new_link = BOND_LINK_DOWN; + bond_propose_link_state(slave, BOND_LINK_DOWN); commit++; } @@ -2823,7 +2819,7 @@ static int bond_ab_arp_inspect(struct bonding *bond) if (bond_is_active_slave(slave) && (!bond_time_in_interval(bond, trans_start, 2) || !bond_time_in_interval(bond, last_rx, 2))) { - slave->new_link = BOND_LINK_DOWN; + bond_propose_link_state(slave, BOND_LINK_DOWN); commit++; } } @@ -2843,7 +2839,7 @@ static void bond_ab_arp_commit(struct bonding *bond) struct slave *slave; bond_for_each_slave(bond, slave, iter) { - switch (slave->new_link) { + switch (slave->link_new_state) { case BOND_LINK_NOCHANGE: continue; @@ -2893,8 +2889,9 @@ static void bond_ab_arp_commit(struct bonding *bond) continue; default: - slave_err(bond->dev, slave->dev, "impossible: new_link %d on slave\n", - slave->new_link); + slave_err(bond->dev, slave->dev, + "impossible: link_new_state %d on slave\n", + slave->link_new_state); continue; } @@ -3442,13 +3439,6 @@ static void bond_fold_stats(struct rtnl_link_stats64 *_res, } } -static int bond_get_nest_level(struct net_device *bond_dev) -{ - struct bonding *bond = netdev_priv(bond_dev); - - return bond->nest_level; -} - static void bond_get_stats(struct net_device *bond_dev, struct rtnl_link_stats64 *stats) { @@ -3457,7 +3447,7 @@ static void bond_get_stats(struct net_device *bond_dev, struct list_head *iter; struct slave *slave; - spin_lock_nested(&bond->stats_lock, bond_get_nest_level(bond_dev)); + spin_lock(&bond->stats_lock); memcpy(stats, &bond->bond_stats, sizeof(*stats)); rcu_read_lock(); @@ -4039,7 +4029,7 @@ out: * this to-be-skipped slave to send a packet out. */ old_arr = rtnl_dereference(bond->slave_arr); - for (idx = 0; idx < old_arr->count; idx++) { + for (idx = 0; old_arr != NULL && idx < old_arr->count; idx++) { if (skipslave == old_arr->arr[idx]) { old_arr->arr[idx] = old_arr->arr[old_arr->count-1]; @@ -4268,7 +4258,6 @@ static const struct net_device_ops bond_netdev_ops = { .ndo_neigh_setup = bond_neigh_setup, .ndo_vlan_rx_add_vid = bond_vlan_rx_add_vid, .ndo_vlan_rx_kill_vid = bond_vlan_rx_kill_vid, - .ndo_get_lock_subclass = bond_get_nest_level, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_netpoll_setup = bond_netpoll_setup, .ndo_netpoll_cleanup = bond_netpoll_cleanup, @@ -4296,7 +4285,6 @@ void bond_setup(struct net_device *bond_dev) struct bonding *bond = netdev_priv(bond_dev); spin_lock_init(&bond->mode_lock); - spin_lock_init(&bond->stats_lock); bond->params = bonding_defaults; /* Initialize pointers */ @@ -4365,6 +4353,7 @@ static void bond_uninit(struct net_device *bond_dev) list_del(&bond->bond_list); + lockdep_unregister_key(&bond->stats_lock_key); bond_debug_unregister(bond); } @@ -4768,8 +4757,9 @@ static int bond_init(struct net_device *bond_dev) if (!bond->wq) return -ENOMEM; - bond->nest_level = SINGLE_DEPTH_NESTING; - netdev_lockdep_set_classes(bond_dev); + spin_lock_init(&bond->stats_lock); + lockdep_register_key(&bond->stats_lock_key); + lockdep_set_class(&bond->stats_lock, &bond->stats_lock_key); list_add_tail(&bond->bond_list, &bn->dev_list); diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c index 606b7d8ffe13..8e9f5620c9a2 100644 --- a/drivers/net/can/c_can/c_can.c +++ b/drivers/net/can/c_can/c_can.c @@ -52,6 +52,7 @@ #define CONTROL_EX_PDR BIT(8) /* control register */ +#define CONTROL_SWR BIT(15) #define CONTROL_TEST BIT(7) #define CONTROL_CCE BIT(6) #define CONTROL_DISABLE_AR BIT(5) @@ -97,6 +98,9 @@ #define BTR_TSEG2_SHIFT 12 #define BTR_TSEG2_MASK (0x7 << BTR_TSEG2_SHIFT) +/* interrupt register */ +#define INT_STS_PENDING 0x8000 + /* brp extension register */ #define BRP_EXT_BRPE_MASK 0x0f #define BRP_EXT_BRPE_SHIFT 0 @@ -569,6 +573,26 @@ static void c_can_configure_msg_objects(struct net_device *dev) IF_MCONT_RCV_EOB); } +static int c_can_software_reset(struct net_device *dev) +{ + struct c_can_priv *priv = netdev_priv(dev); + int retry = 0; + + if (priv->type != BOSCH_D_CAN) + return 0; + + priv->write_reg(priv, C_CAN_CTRL_REG, CONTROL_SWR | CONTROL_INIT); + while (priv->read_reg(priv, C_CAN_CTRL_REG) & CONTROL_SWR) { + msleep(20); + if (retry++ > 100) { + netdev_err(dev, "CCTRL: software reset failed\n"); + return -EIO; + } + } + + return 0; +} + /* * Configure C_CAN chip: * - enable/disable auto-retransmission @@ -578,6 +602,11 @@ static void c_can_configure_msg_objects(struct net_device *dev) static int c_can_chip_config(struct net_device *dev) { struct c_can_priv *priv = netdev_priv(dev); + int err; + + err = c_can_software_reset(dev); + if (err) + return err; /* enable automatic retransmission */ priv->write_reg(priv, C_CAN_CTRL_REG, CONTROL_ENABLE_AR); @@ -886,6 +915,9 @@ static int c_can_handle_state_change(struct net_device *dev, struct can_berr_counter bec; switch (error_type) { + case C_CAN_NO_ERROR: + priv->can.state = CAN_STATE_ERROR_ACTIVE; + break; case C_CAN_ERROR_WARNING: /* error warning state */ priv->can.can_stats.error_warning++; @@ -916,6 +948,13 @@ static int c_can_handle_state_change(struct net_device *dev, ERR_CNT_RP_SHIFT; switch (error_type) { + case C_CAN_NO_ERROR: + /* error warning state */ + cf->can_id |= CAN_ERR_CRTL; + cf->data[1] = CAN_ERR_CRTL_ACTIVE; + cf->data[6] = bec.txerr; + cf->data[7] = bec.rxerr; + break; case C_CAN_ERROR_WARNING: /* error warning state */ cf->can_id |= CAN_ERR_CRTL; @@ -1029,10 +1068,16 @@ static int c_can_poll(struct napi_struct *napi, int quota) u16 curr, last = priv->last_status; int work_done = 0; - priv->last_status = curr = priv->read_reg(priv, C_CAN_STS_REG); - /* Ack status on C_CAN. D_CAN is self clearing */ - if (priv->type != BOSCH_D_CAN) - priv->write_reg(priv, C_CAN_STS_REG, LEC_UNUSED); + /* Only read the status register if a status interrupt was pending */ + if (atomic_xchg(&priv->sie_pending, 0)) { + priv->last_status = curr = priv->read_reg(priv, C_CAN_STS_REG); + /* Ack status on C_CAN. D_CAN is self clearing */ + if (priv->type != BOSCH_D_CAN) + priv->write_reg(priv, C_CAN_STS_REG, LEC_UNUSED); + } else { + /* no change detected ... */ + curr = last; + } /* handle state changes */ if ((curr & STATUS_EWARN) && (!(last & STATUS_EWARN))) { @@ -1054,11 +1099,17 @@ static int c_can_poll(struct napi_struct *napi, int quota) /* handle bus recovery events */ if ((!(curr & STATUS_BOFF)) && (last & STATUS_BOFF)) { netdev_dbg(dev, "left bus off state\n"); - priv->can.state = CAN_STATE_ERROR_ACTIVE; + work_done += c_can_handle_state_change(dev, C_CAN_ERROR_PASSIVE); } + if ((!(curr & STATUS_EPASS)) && (last & STATUS_EPASS)) { netdev_dbg(dev, "left error passive state\n"); - priv->can.state = CAN_STATE_ERROR_ACTIVE; + work_done += c_can_handle_state_change(dev, C_CAN_ERROR_WARNING); + } + + if ((!(curr & STATUS_EWARN)) && (last & STATUS_EWARN)) { + netdev_dbg(dev, "left error warning state\n"); + work_done += c_can_handle_state_change(dev, C_CAN_NO_ERROR); } /* handle lec errors on the bus */ @@ -1083,10 +1134,16 @@ static irqreturn_t c_can_isr(int irq, void *dev_id) { struct net_device *dev = (struct net_device *)dev_id; struct c_can_priv *priv = netdev_priv(dev); + int reg_int; - if (!priv->read_reg(priv, C_CAN_INT_REG)) + reg_int = priv->read_reg(priv, C_CAN_INT_REG); + if (!reg_int) return IRQ_NONE; + /* save for later use */ + if (reg_int & INT_STS_PENDING) + atomic_set(&priv->sie_pending, 1); + /* disable all interrupts and schedule the NAPI */ c_can_irq_control(priv, false); napi_schedule(&priv->napi); diff --git a/drivers/net/can/c_can/c_can.h b/drivers/net/can/c_can/c_can.h index 8acdc7fa4792..d5567a7c1c6d 100644 --- a/drivers/net/can/c_can/c_can.h +++ b/drivers/net/can/c_can/c_can.h @@ -198,6 +198,7 @@ struct c_can_priv { struct net_device *dev; struct device *device; atomic_t tx_active; + atomic_t sie_pending; unsigned long tx_dir; int last_status; u16 (*read_reg) (const struct c_can_priv *priv, enum reg index); diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index ac86be52b461..1c88c361938c 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -848,6 +848,7 @@ void of_can_transceiver(struct net_device *dev) return; ret = of_property_read_u32(dn, "max-bitrate", &priv->bitrate_max); + of_node_put(dn); if ((ret && ret != -EINVAL) || (!ret && !priv->bitrate_max)) netdev_warn(dev, "Invalid value for transceiver max bitrate. Ignoring bitrate limit.\n"); } diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index dc5695dffc2e..57f9a2f51085 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -677,6 +677,7 @@ static void flexcan_irq_bus_err(struct net_device *dev, u32 reg_esr) struct can_frame *cf; bool rx_errors = false, tx_errors = false; u32 timestamp; + int err; timestamp = priv->read(®s->timer) << 16; @@ -725,7 +726,9 @@ static void flexcan_irq_bus_err(struct net_device *dev, u32 reg_esr) if (tx_errors) dev->stats.tx_errors++; - can_rx_offload_queue_sorted(&priv->offload, skb, timestamp); + err = can_rx_offload_queue_sorted(&priv->offload, skb, timestamp); + if (err) + dev->stats.rx_fifo_errors++; } static void flexcan_irq_state(struct net_device *dev, u32 reg_esr) @@ -738,6 +741,7 @@ static void flexcan_irq_state(struct net_device *dev, u32 reg_esr) int flt; struct can_berr_counter bec; u32 timestamp; + int err; timestamp = priv->read(®s->timer) << 16; @@ -769,7 +773,9 @@ static void flexcan_irq_state(struct net_device *dev, u32 reg_esr) if (unlikely(new_state == CAN_STATE_BUS_OFF)) can_bus_off(dev); - can_rx_offload_queue_sorted(&priv->offload, skb, timestamp); + err = can_rx_offload_queue_sorted(&priv->offload, skb, timestamp); + if (err) + dev->stats.rx_fifo_errors++; } static inline struct flexcan_priv *rx_offload_to_priv(struct can_rx_offload *offload) @@ -1188,6 +1194,7 @@ static int flexcan_chip_start(struct net_device *dev) reg_mecr = priv->read(®s->mecr); reg_mecr &= ~FLEXCAN_MECR_ECRWRDIS; priv->write(reg_mecr, ®s->mecr); + reg_mecr |= FLEXCAN_MECR_ECCDIS; reg_mecr &= ~(FLEXCAN_MECR_NCEFAFRZ | FLEXCAN_MECR_HANCEI_MSK | FLEXCAN_MECR_FANCEI_MSK); priv->write(reg_mecr, ®s->mecr); diff --git a/drivers/net/can/m_can/m_can_platform.c b/drivers/net/can/m_can/m_can_platform.c index 6ac4c35f247a..38ea5e600fb8 100644 --- a/drivers/net/can/m_can/m_can_platform.c +++ b/drivers/net/can/m_can/m_can_platform.c @@ -107,7 +107,7 @@ static int m_can_plat_probe(struct platform_device *pdev) mcan_class->is_peripheral = false; - platform_set_drvdata(pdev, mcan_class->dev); + platform_set_drvdata(pdev, mcan_class->net); m_can_init_ram(mcan_class); @@ -166,8 +166,6 @@ static int __maybe_unused m_can_runtime_resume(struct device *dev) if (err) clk_disable_unprepare(mcan_class->hclk); - m_can_class_resume(dev); - return err; } diff --git a/drivers/net/can/rx-offload.c b/drivers/net/can/rx-offload.c index e6a668ee7730..84cae167e42f 100644 --- a/drivers/net/can/rx-offload.c +++ b/drivers/net/can/rx-offload.c @@ -107,37 +107,95 @@ static int can_rx_offload_compare(struct sk_buff *a, struct sk_buff *b) return cb_b->timestamp - cb_a->timestamp; } -static struct sk_buff *can_rx_offload_offload_one(struct can_rx_offload *offload, unsigned int n) +/** + * can_rx_offload_offload_one() - Read one CAN frame from HW + * @offload: pointer to rx_offload context + * @n: number of mailbox to read + * + * The task of this function is to read a CAN frame from mailbox @n + * from the device and return the mailbox's content as a struct + * sk_buff. + * + * If the struct can_rx_offload::skb_queue exceeds the maximal queue + * length (struct can_rx_offload::skb_queue_len_max) or no skb can be + * allocated, the mailbox contents is discarded by reading it into an + * overflow buffer. This way the mailbox is marked as free by the + * driver. + * + * Return: A pointer to skb containing the CAN frame on success. + * + * NULL if the mailbox @n is empty. + * + * ERR_PTR() in case of an error + */ +static struct sk_buff * +can_rx_offload_offload_one(struct can_rx_offload *offload, unsigned int n) { - struct sk_buff *skb = NULL; + struct sk_buff *skb = NULL, *skb_error = NULL; struct can_rx_offload_cb *cb; struct can_frame *cf; int ret; - /* If queue is full or skb not available, read to discard mailbox */ - if (likely(skb_queue_len(&offload->skb_queue) <= - offload->skb_queue_len_max)) + if (likely(skb_queue_len(&offload->skb_queue) < + offload->skb_queue_len_max)) { skb = alloc_can_skb(offload->dev, &cf); + if (unlikely(!skb)) + skb_error = ERR_PTR(-ENOMEM); /* skb alloc failed */ + } else { + skb_error = ERR_PTR(-ENOBUFS); /* skb_queue is full */ + } - if (!skb) { + /* If queue is full or skb not available, drop by reading into + * overflow buffer. + */ + if (unlikely(skb_error)) { struct can_frame cf_overflow; u32 timestamp; ret = offload->mailbox_read(offload, &cf_overflow, ×tamp, n); - if (ret) - offload->dev->stats.rx_dropped++; - return NULL; + /* Mailbox was empty. */ + if (unlikely(!ret)) + return NULL; + + /* Mailbox has been read and we're dropping it or + * there was a problem reading the mailbox. + * + * Increment error counters in any case. + */ + offload->dev->stats.rx_dropped++; + offload->dev->stats.rx_fifo_errors++; + + /* There was a problem reading the mailbox, propagate + * error value. + */ + if (unlikely(ret < 0)) + return ERR_PTR(ret); + + return skb_error; } cb = can_rx_offload_get_cb(skb); ret = offload->mailbox_read(offload, cf, &cb->timestamp, n); - if (!ret) { + + /* Mailbox was empty. */ + if (unlikely(!ret)) { kfree_skb(skb); return NULL; } + /* There was a problem reading the mailbox, propagate error value. */ + if (unlikely(ret < 0)) { + kfree_skb(skb); + + offload->dev->stats.rx_dropped++; + offload->dev->stats.rx_fifo_errors++; + + return ERR_PTR(ret); + } + + /* Mailbox was read. */ return skb; } @@ -157,8 +215,8 @@ int can_rx_offload_irq_offload_timestamp(struct can_rx_offload *offload, u64 pen continue; skb = can_rx_offload_offload_one(offload, i); - if (!skb) - break; + if (IS_ERR_OR_NULL(skb)) + continue; __skb_queue_add_sort(&skb_queue, skb, can_rx_offload_compare); } @@ -188,7 +246,13 @@ int can_rx_offload_irq_offload_fifo(struct can_rx_offload *offload) struct sk_buff *skb; int received = 0; - while ((skb = can_rx_offload_offload_one(offload, 0))) { + while (1) { + skb = can_rx_offload_offload_one(offload, 0); + if (IS_ERR(skb)) + continue; + if (!skb) + break; + skb_queue_tail(&offload->skb_queue, skb); received++; } @@ -207,8 +271,10 @@ int can_rx_offload_queue_sorted(struct can_rx_offload *offload, unsigned long flags; if (skb_queue_len(&offload->skb_queue) > - offload->skb_queue_len_max) - return -ENOMEM; + offload->skb_queue_len_max) { + kfree_skb(skb); + return -ENOBUFS; + } cb = can_rx_offload_get_cb(skb); cb->timestamp = timestamp; @@ -250,8 +316,10 @@ int can_rx_offload_queue_tail(struct can_rx_offload *offload, struct sk_buff *skb) { if (skb_queue_len(&offload->skb_queue) > - offload->skb_queue_len_max) - return -ENOMEM; + offload->skb_queue_len_max) { + kfree_skb(skb); + return -ENOBUFS; + } skb_queue_tail(&offload->skb_queue, skb); can_rx_offload_schedule(offload); diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c index bb6032211043..0a9f42e5fedf 100644 --- a/drivers/net/can/slcan.c +++ b/drivers/net/can/slcan.c @@ -617,6 +617,7 @@ err_free_chan: sl->tty = NULL; tty->disc_data = NULL; clear_bit(SLF_INUSE, &sl->flags); + free_netdev(sl->dev); err_exit: rtnl_unlock(); diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index bee9f7b8dad6..bb20a9b75cc6 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -717,6 +717,7 @@ static void mcp251x_restart_work_handler(struct work_struct *ws) if (priv->after_suspend) { mcp251x_hw_reset(spi); mcp251x_setup(net, spi); + priv->force_quit = 0; if (priv->after_suspend & AFTER_SUSPEND_RESTART) { mcp251x_set_normal_mode(spi); } else if (priv->after_suspend & AFTER_SUSPEND_UP) { @@ -728,7 +729,6 @@ static void mcp251x_restart_work_handler(struct work_struct *ws) mcp251x_hw_sleep(spi); } priv->after_suspend = 0; - priv->force_quit = 0; } if (priv->restart_tx) { diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index f8b19eef5d26..31ad364a89bb 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -73,6 +73,7 @@ MODULE_VERSION(HECC_MODULE_VERSION); */ #define HECC_MAX_RX_MBOX (HECC_MAX_MAILBOXES - HECC_MAX_TX_MBOX) #define HECC_RX_FIRST_MBOX (HECC_MAX_MAILBOXES - 1) +#define HECC_RX_LAST_MBOX (HECC_MAX_TX_MBOX) /* TI HECC module registers */ #define HECC_CANME 0x0 /* Mailbox enable */ @@ -82,7 +83,7 @@ MODULE_VERSION(HECC_MODULE_VERSION); #define HECC_CANTA 0x10 /* Transmission acknowledge */ #define HECC_CANAA 0x14 /* Abort acknowledge */ #define HECC_CANRMP 0x18 /* Receive message pending */ -#define HECC_CANRML 0x1C /* Remote message lost */ +#define HECC_CANRML 0x1C /* Receive message lost */ #define HECC_CANRFP 0x20 /* Remote frame pending */ #define HECC_CANGAM 0x24 /* SECC only:Global acceptance mask */ #define HECC_CANMC 0x28 /* Master control */ @@ -149,6 +150,8 @@ MODULE_VERSION(HECC_MODULE_VERSION); #define HECC_BUS_ERROR (HECC_CANES_FE | HECC_CANES_BE |\ HECC_CANES_CRCE | HECC_CANES_SE |\ HECC_CANES_ACKE) +#define HECC_CANES_FLAGS (HECC_BUS_ERROR | HECC_CANES_BO |\ + HECC_CANES_EP | HECC_CANES_EW) #define HECC_CANMCF_RTR BIT(4) /* Remote transmit request */ @@ -382,8 +385,18 @@ static void ti_hecc_start(struct net_device *ndev) hecc_set_bit(priv, HECC_CANMIM, mbx_mask); } - /* Prevent message over-write & Enable interrupts */ - hecc_write(priv, HECC_CANOPC, HECC_SET_REG); + /* Enable tx interrupts */ + hecc_set_bit(priv, HECC_CANMIM, BIT(HECC_MAX_TX_MBOX) - 1); + + /* Prevent message over-write to create a rx fifo, but not for + * the lowest priority mailbox, since that allows detecting + * overflows instead of the hardware silently dropping the + * messages. + */ + mbx_mask = ~BIT(HECC_RX_LAST_MBOX); + hecc_write(priv, HECC_CANOPC, mbx_mask); + + /* Enable interrupts */ if (priv->use_hecc1int) { hecc_write(priv, HECC_CANMIL, HECC_SET_REG); hecc_write(priv, HECC_CANGIM, HECC_CANGIM_DEF_MASK | @@ -400,6 +413,9 @@ static void ti_hecc_stop(struct net_device *ndev) { struct ti_hecc_priv *priv = netdev_priv(ndev); + /* Disable the CPK; stop sending, erroring and acking */ + hecc_set_bit(priv, HECC_CANMC, HECC_CANMC_CCR); + /* Disable interrupts and disable mailboxes */ hecc_write(priv, HECC_CANGIM, 0); hecc_write(priv, HECC_CANMIM, 0); @@ -508,8 +524,6 @@ static netdev_tx_t ti_hecc_xmit(struct sk_buff *skb, struct net_device *ndev) hecc_set_bit(priv, HECC_CANME, mbx_mask); spin_unlock_irqrestore(&priv->mbx_lock, flags); - hecc_clear_bit(priv, HECC_CANMD, mbx_mask); - hecc_set_bit(priv, HECC_CANMIM, mbx_mask); hecc_write(priv, HECC_CANTRS, mbx_mask); return NETDEV_TX_OK; @@ -526,8 +540,10 @@ static unsigned int ti_hecc_mailbox_read(struct can_rx_offload *offload, u32 *timestamp, unsigned int mbxno) { struct ti_hecc_priv *priv = rx_offload_to_priv(offload); - u32 data; + u32 data, mbx_mask; + int ret = 1; + mbx_mask = BIT(mbxno); data = hecc_read_mbx(priv, mbxno, HECC_CANMID); if (data & HECC_CANMID_IDE) cf->can_id = (data & CAN_EFF_MASK) | CAN_EFF_FLAG; @@ -548,7 +564,25 @@ static unsigned int ti_hecc_mailbox_read(struct can_rx_offload *offload, *timestamp = hecc_read_stamp(priv, mbxno); - return 1; + /* Check for FIFO overrun. + * + * All but the last RX mailbox have activated overwrite + * protection. So skip check for overrun, if we're not + * handling the last RX mailbox. + * + * As the overwrite protection for the last RX mailbox is + * disabled, the CAN core might update while we're reading + * it. This means the skb might be inconsistent. + * + * Return an error to let rx-offload discard this CAN frame. + */ + if (unlikely(mbxno == HECC_RX_LAST_MBOX && + hecc_read(priv, HECC_CANRML) & mbx_mask)) + ret = -ENOBUFS; + + hecc_write(priv, HECC_CANRMP, mbx_mask); + + return ret; } static int ti_hecc_error(struct net_device *ndev, int int_status, @@ -558,92 +592,73 @@ static int ti_hecc_error(struct net_device *ndev, int int_status, struct can_frame *cf; struct sk_buff *skb; u32 timestamp; + int err; - /* propagate the error condition to the can stack */ - skb = alloc_can_err_skb(ndev, &cf); - if (!skb) { - if (printk_ratelimit()) - netdev_err(priv->ndev, - "%s: alloc_can_err_skb() failed\n", - __func__); - return -ENOMEM; - } - - if (int_status & HECC_CANGIF_WLIF) { /* warning level int */ - if ((int_status & HECC_CANGIF_BOIF) == 0) { - priv->can.state = CAN_STATE_ERROR_WARNING; - ++priv->can.can_stats.error_warning; - cf->can_id |= CAN_ERR_CRTL; - if (hecc_read(priv, HECC_CANTEC) > 96) - cf->data[1] |= CAN_ERR_CRTL_TX_WARNING; - if (hecc_read(priv, HECC_CANREC) > 96) - cf->data[1] |= CAN_ERR_CRTL_RX_WARNING; - } - hecc_set_bit(priv, HECC_CANES, HECC_CANES_EW); - netdev_dbg(priv->ndev, "Error Warning interrupt\n"); - hecc_clear_bit(priv, HECC_CANMC, HECC_CANMC_CCR); - } - - if (int_status & HECC_CANGIF_EPIF) { /* error passive int */ - if ((int_status & HECC_CANGIF_BOIF) == 0) { - priv->can.state = CAN_STATE_ERROR_PASSIVE; - ++priv->can.can_stats.error_passive; - cf->can_id |= CAN_ERR_CRTL; - if (hecc_read(priv, HECC_CANTEC) > 127) - cf->data[1] |= CAN_ERR_CRTL_TX_PASSIVE; - if (hecc_read(priv, HECC_CANREC) > 127) - cf->data[1] |= CAN_ERR_CRTL_RX_PASSIVE; + if (err_status & HECC_BUS_ERROR) { + /* propagate the error condition to the can stack */ + skb = alloc_can_err_skb(ndev, &cf); + if (!skb) { + if (net_ratelimit()) + netdev_err(priv->ndev, + "%s: alloc_can_err_skb() failed\n", + __func__); + return -ENOMEM; } - hecc_set_bit(priv, HECC_CANES, HECC_CANES_EP); - netdev_dbg(priv->ndev, "Error passive interrupt\n"); - hecc_clear_bit(priv, HECC_CANMC, HECC_CANMC_CCR); - } - - /* Need to check busoff condition in error status register too to - * ensure warning interrupts don't hog the system - */ - if ((int_status & HECC_CANGIF_BOIF) || (err_status & HECC_CANES_BO)) { - priv->can.state = CAN_STATE_BUS_OFF; - cf->can_id |= CAN_ERR_BUSOFF; - hecc_set_bit(priv, HECC_CANES, HECC_CANES_BO); - hecc_clear_bit(priv, HECC_CANMC, HECC_CANMC_CCR); - /* Disable all interrupts in bus-off to avoid int hog */ - hecc_write(priv, HECC_CANGIM, 0); - ++priv->can.can_stats.bus_off; - can_bus_off(ndev); - } - if (err_status & HECC_BUS_ERROR) { ++priv->can.can_stats.bus_error; cf->can_id |= CAN_ERR_BUSERROR | CAN_ERR_PROT; - if (err_status & HECC_CANES_FE) { - hecc_set_bit(priv, HECC_CANES, HECC_CANES_FE); + if (err_status & HECC_CANES_FE) cf->data[2] |= CAN_ERR_PROT_FORM; - } - if (err_status & HECC_CANES_BE) { - hecc_set_bit(priv, HECC_CANES, HECC_CANES_BE); + if (err_status & HECC_CANES_BE) cf->data[2] |= CAN_ERR_PROT_BIT; - } - if (err_status & HECC_CANES_SE) { - hecc_set_bit(priv, HECC_CANES, HECC_CANES_SE); + if (err_status & HECC_CANES_SE) cf->data[2] |= CAN_ERR_PROT_STUFF; - } - if (err_status & HECC_CANES_CRCE) { - hecc_set_bit(priv, HECC_CANES, HECC_CANES_CRCE); + if (err_status & HECC_CANES_CRCE) cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ; - } - if (err_status & HECC_CANES_ACKE) { - hecc_set_bit(priv, HECC_CANES, HECC_CANES_ACKE); + if (err_status & HECC_CANES_ACKE) cf->data[3] = CAN_ERR_PROT_LOC_ACK; - } + + timestamp = hecc_read(priv, HECC_CANLNT); + err = can_rx_offload_queue_sorted(&priv->offload, skb, + timestamp); + if (err) + ndev->stats.rx_fifo_errors++; } - timestamp = hecc_read(priv, HECC_CANLNT); - can_rx_offload_queue_sorted(&priv->offload, skb, timestamp); + hecc_write(priv, HECC_CANES, HECC_CANES_FLAGS); return 0; } +static void ti_hecc_change_state(struct net_device *ndev, + enum can_state rx_state, + enum can_state tx_state) +{ + struct ti_hecc_priv *priv = netdev_priv(ndev); + struct can_frame *cf; + struct sk_buff *skb; + u32 timestamp; + int err; + + skb = alloc_can_err_skb(priv->ndev, &cf); + if (unlikely(!skb)) { + priv->can.state = max(tx_state, rx_state); + return; + } + + can_change_state(priv->ndev, cf, tx_state, rx_state); + + if (max(tx_state, rx_state) != CAN_STATE_BUS_OFF) { + cf->data[6] = hecc_read(priv, HECC_CANTEC); + cf->data[7] = hecc_read(priv, HECC_CANREC); + } + + timestamp = hecc_read(priv, HECC_CANLNT); + err = can_rx_offload_queue_sorted(&priv->offload, skb, timestamp); + if (err) + ndev->stats.rx_fifo_errors++; +} + static irqreturn_t ti_hecc_interrupt(int irq, void *dev_id) { struct net_device *ndev = (struct net_device *)dev_id; @@ -651,6 +666,7 @@ static irqreturn_t ti_hecc_interrupt(int irq, void *dev_id) struct net_device_stats *stats = &ndev->stats; u32 mbxno, mbx_mask, int_status, err_status, stamp; unsigned long flags, rx_pending; + u32 handled = 0; int_status = hecc_read(priv, priv->use_hecc1int ? @@ -660,17 +676,66 @@ static irqreturn_t ti_hecc_interrupt(int irq, void *dev_id) return IRQ_NONE; err_status = hecc_read(priv, HECC_CANES); - if (err_status & (HECC_BUS_ERROR | HECC_CANES_BO | - HECC_CANES_EP | HECC_CANES_EW)) + if (unlikely(err_status & HECC_CANES_FLAGS)) ti_hecc_error(ndev, int_status, err_status); + if (unlikely(int_status & HECC_CANGIM_DEF_MASK)) { + enum can_state rx_state, tx_state; + u32 rec = hecc_read(priv, HECC_CANREC); + u32 tec = hecc_read(priv, HECC_CANTEC); + + if (int_status & HECC_CANGIF_WLIF) { + handled |= HECC_CANGIF_WLIF; + rx_state = rec >= tec ? CAN_STATE_ERROR_WARNING : 0; + tx_state = rec <= tec ? CAN_STATE_ERROR_WARNING : 0; + netdev_dbg(priv->ndev, "Error Warning interrupt\n"); + ti_hecc_change_state(ndev, rx_state, tx_state); + } + + if (int_status & HECC_CANGIF_EPIF) { + handled |= HECC_CANGIF_EPIF; + rx_state = rec >= tec ? CAN_STATE_ERROR_PASSIVE : 0; + tx_state = rec <= tec ? CAN_STATE_ERROR_PASSIVE : 0; + netdev_dbg(priv->ndev, "Error passive interrupt\n"); + ti_hecc_change_state(ndev, rx_state, tx_state); + } + + if (int_status & HECC_CANGIF_BOIF) { + handled |= HECC_CANGIF_BOIF; + rx_state = CAN_STATE_BUS_OFF; + tx_state = CAN_STATE_BUS_OFF; + netdev_dbg(priv->ndev, "Bus off interrupt\n"); + + /* Disable all interrupts */ + hecc_write(priv, HECC_CANGIM, 0); + can_bus_off(ndev); + ti_hecc_change_state(ndev, rx_state, tx_state); + } + } else if (unlikely(priv->can.state != CAN_STATE_ERROR_ACTIVE)) { + enum can_state new_state, tx_state, rx_state; + u32 rec = hecc_read(priv, HECC_CANREC); + u32 tec = hecc_read(priv, HECC_CANTEC); + + if (rec >= 128 || tec >= 128) + new_state = CAN_STATE_ERROR_PASSIVE; + else if (rec >= 96 || tec >= 96) + new_state = CAN_STATE_ERROR_WARNING; + else + new_state = CAN_STATE_ERROR_ACTIVE; + + if (new_state < priv->can.state) { + rx_state = rec >= tec ? new_state : 0; + tx_state = rec <= tec ? new_state : 0; + ti_hecc_change_state(ndev, rx_state, tx_state); + } + } + if (int_status & HECC_CANGIF_GMIF) { while (priv->tx_tail - priv->tx_head > 0) { mbxno = get_tx_tail_mb(priv); mbx_mask = BIT(mbxno); if (!(mbx_mask & hecc_read(priv, HECC_CANTA))) break; - hecc_clear_bit(priv, HECC_CANMIM, mbx_mask); hecc_write(priv, HECC_CANTA, mbx_mask); spin_lock_irqsave(&priv->mbx_lock, flags); hecc_clear_bit(priv, HECC_CANME, mbx_mask); @@ -695,16 +760,15 @@ static irqreturn_t ti_hecc_interrupt(int irq, void *dev_id) while ((rx_pending = hecc_read(priv, HECC_CANRMP))) { can_rx_offload_irq_offload_timestamp(&priv->offload, rx_pending); - hecc_write(priv, HECC_CANRMP, rx_pending); } } /* clear all interrupt conditions - read back to avoid spurious ints */ if (priv->use_hecc1int) { - hecc_write(priv, HECC_CANGIF1, HECC_SET_REG); + hecc_write(priv, HECC_CANGIF1, handled); int_status = hecc_read(priv, HECC_CANGIF1); } else { - hecc_write(priv, HECC_CANGIF0, HECC_SET_REG); + hecc_write(priv, HECC_CANGIF0, handled); int_status = hecc_read(priv, HECC_CANGIF0); } @@ -877,7 +941,7 @@ static int ti_hecc_probe(struct platform_device *pdev) priv->offload.mailbox_read = ti_hecc_mailbox_read; priv->offload.mb_first = HECC_RX_FIRST_MBOX; - priv->offload.mb_last = HECC_MAX_TX_MBOX; + priv->offload.mb_last = HECC_RX_LAST_MBOX; err = can_rx_offload_add_timestamp(ndev, &priv->offload); if (err) { dev_err(&pdev->dev, "can_rx_offload_add_timestamp() failed\n"); diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c index bd6eb9967630..2f74f6704c12 100644 --- a/drivers/net/can/usb/gs_usb.c +++ b/drivers/net/can/usb/gs_usb.c @@ -623,6 +623,7 @@ static int gs_can_open(struct net_device *netdev) rc); usb_unanchor_urb(urb); + usb_free_urb(urb); break; } diff --git a/drivers/net/can/usb/mcba_usb.c b/drivers/net/can/usb/mcba_usb.c index 19a702ac49e4..21faa2ec4632 100644 --- a/drivers/net/can/usb/mcba_usb.c +++ b/drivers/net/can/usb/mcba_usb.c @@ -876,9 +876,8 @@ static void mcba_usb_disconnect(struct usb_interface *intf) netdev_info(priv->netdev, "device disconnected\n"); unregister_candev(priv->netdev); - free_candev(priv->netdev); - mcba_urb_unlink(priv); + free_candev(priv->netdev); } static struct usb_driver mcba_usb_driver = { diff --git a/drivers/net/can/usb/peak_usb/pcan_usb.c b/drivers/net/can/usb/peak_usb/pcan_usb.c index 617da295b6c1..d2539c95adb6 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb.c @@ -100,7 +100,7 @@ struct pcan_usb_msg_context { u8 *end; u8 rec_cnt; u8 rec_idx; - u8 rec_data_idx; + u8 rec_ts_idx; struct net_device *netdev; struct pcan_usb *pdev; }; @@ -436,8 +436,8 @@ static int pcan_usb_decode_error(struct pcan_usb_msg_context *mc, u8 n, } if ((n & PCAN_USB_ERROR_BUS_LIGHT) == 0) { /* no error (back to active state) */ - mc->pdev->dev.can.state = CAN_STATE_ERROR_ACTIVE; - return 0; + new_state = CAN_STATE_ERROR_ACTIVE; + break; } break; @@ -460,9 +460,9 @@ static int pcan_usb_decode_error(struct pcan_usb_msg_context *mc, u8 n, } if ((n & PCAN_USB_ERROR_BUS_HEAVY) == 0) { - /* no error (back to active state) */ - mc->pdev->dev.can.state = CAN_STATE_ERROR_ACTIVE; - return 0; + /* no error (back to warning state) */ + new_state = CAN_STATE_ERROR_WARNING; + break; } break; @@ -501,6 +501,11 @@ static int pcan_usb_decode_error(struct pcan_usb_msg_context *mc, u8 n, mc->pdev->dev.can.can_stats.error_warning++; break; + case CAN_STATE_ERROR_ACTIVE: + cf->can_id |= CAN_ERR_CRTL; + cf->data[1] = CAN_ERR_CRTL_ACTIVE; + break; + default: /* CAN_STATE_MAX (trick to handle other errors) */ cf->can_id |= CAN_ERR_CRTL; @@ -547,10 +552,15 @@ static int pcan_usb_decode_status(struct pcan_usb_msg_context *mc, mc->ptr += PCAN_USB_CMD_ARGS; if (status_len & PCAN_USB_STATUSLEN_TIMESTAMP) { - int err = pcan_usb_decode_ts(mc, !mc->rec_idx); + int err = pcan_usb_decode_ts(mc, !mc->rec_ts_idx); if (err) return err; + + /* Next packet in the buffer will have a timestamp on a single + * byte + */ + mc->rec_ts_idx++; } switch (f) { @@ -632,10 +642,13 @@ static int pcan_usb_decode_data(struct pcan_usb_msg_context *mc, u8 status_len) cf->can_dlc = get_can_dlc(rec_len); - /* first data packet timestamp is a word */ - if (pcan_usb_decode_ts(mc, !mc->rec_data_idx)) + /* Only first packet timestamp is a word */ + if (pcan_usb_decode_ts(mc, !mc->rec_ts_idx)) goto decode_failed; + /* Next packet in the buffer will have a timestamp on a single byte */ + mc->rec_ts_idx++; + /* read data */ memset(cf->data, 0x0, sizeof(cf->data)); if (status_len & PCAN_USB_STATUSLEN_RTR) { @@ -688,7 +701,6 @@ static int pcan_usb_decode_msg(struct peak_usb_device *dev, u8 *ibuf, u32 lbuf) /* handle normal can frames here */ } else { err = pcan_usb_decode_data(&mc, sl); - mc.rec_data_idx++; } } diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c index 65dce642b86b..0b7766b715fd 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c @@ -750,7 +750,7 @@ static int peak_usb_create_dev(const struct peak_usb_adapter *peak_usb_adapter, dev = netdev_priv(netdev); /* allocate a buffer large enough to send commands */ - dev->cmd_buf = kmalloc(PCAN_USB_MAX_CMD_LEN, GFP_KERNEL); + dev->cmd_buf = kzalloc(PCAN_USB_MAX_CMD_LEN, GFP_KERNEL); if (!dev->cmd_buf) { err = -ENOMEM; goto lbl_free_candev; diff --git a/drivers/net/can/usb/usb_8dev.c b/drivers/net/can/usb/usb_8dev.c index d596a2ad7f78..8fa224b28218 100644 --- a/drivers/net/can/usb/usb_8dev.c +++ b/drivers/net/can/usb/usb_8dev.c @@ -996,9 +996,8 @@ static void usb_8dev_disconnect(struct usb_interface *intf) netdev_info(priv->netdev, "device disconnected\n"); unregister_netdev(priv->netdev); - free_candev(priv->netdev); - unlink_all_urbs(priv); + free_candev(priv->netdev); } } diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c index 911b34316c9d..7c482b2d78d2 100644 --- a/drivers/net/can/xilinx_can.c +++ b/drivers/net/can/xilinx_can.c @@ -1599,7 +1599,6 @@ static const struct xcan_devtype_data xcan_zynq_data = { static const struct xcan_devtype_data xcan_axi_data = { .cantype = XAXI_CAN, - .flags = XCAN_FLAG_TXFEMP, .bittiming_const = &xcan_bittiming_const, .btr_ts2_shift = XCAN_BTR_TS2_SHIFT, .btr_sjw_shift = XCAN_BTR_SJW_SHIFT, diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 526ba2ab66f1..cc3536315eff 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -1845,7 +1845,6 @@ int b53_mirror_add(struct dsa_switch *ds, int port, loc = B53_EG_MIR_CTL; b53_read16(dev, B53_MGMT_PAGE, loc, ®); - reg &= ~MIRROR_MASK; reg |= BIT(port); b53_write16(dev, B53_MGMT_PAGE, loc, reg); diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 26509fa37a50..69fc13046ac7 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -37,22 +37,11 @@ static void bcm_sf2_imp_setup(struct dsa_switch *ds, int port) unsigned int i; u32 reg, offset; - if (priv->type == BCM7445_DEVICE_ID) - offset = CORE_STS_OVERRIDE_IMP; - else - offset = CORE_STS_OVERRIDE_IMP2; - /* Enable the port memories */ reg = core_readl(priv, CORE_MEM_PSM_VDD_CTRL); reg &= ~P_TXQ_PSM_VDD(port); core_writel(priv, reg, CORE_MEM_PSM_VDD_CTRL); - /* Enable Broadcast, Multicast, Unicast forwarding to IMP port */ - reg = core_readl(priv, CORE_IMP_CTL); - reg |= (RX_BCST_EN | RX_MCST_EN | RX_UCST_EN); - reg &= ~(RX_DIS | TX_DIS); - core_writel(priv, reg, CORE_IMP_CTL); - /* Enable forwarding */ core_writel(priv, SW_FWDG_EN, CORE_SWMODE); @@ -71,10 +60,27 @@ static void bcm_sf2_imp_setup(struct dsa_switch *ds, int port) b53_brcm_hdr_setup(ds, port); - /* Force link status for IMP port */ - reg = core_readl(priv, offset); - reg |= (MII_SW_OR | LINK_STS); - core_writel(priv, reg, offset); + if (port == 8) { + if (priv->type == BCM7445_DEVICE_ID) + offset = CORE_STS_OVERRIDE_IMP; + else + offset = CORE_STS_OVERRIDE_IMP2; + + /* Force link status for IMP port */ + reg = core_readl(priv, offset); + reg |= (MII_SW_OR | LINK_STS); + core_writel(priv, reg, offset); + + /* Enable Broadcast, Multicast, Unicast forwarding to IMP port */ + reg = core_readl(priv, CORE_IMP_CTL); + reg |= (RX_BCST_EN | RX_MCST_EN | RX_UCST_EN); + reg &= ~(RX_DIS | TX_DIS); + core_writel(priv, reg, CORE_IMP_CTL); + } else { + reg = core_readl(priv, CORE_G_PCTL_PORT(port)); + reg &= ~(RX_DIS | TX_DIS); + core_writel(priv, reg, CORE_G_PCTL_PORT(port)); + } } static void bcm_sf2_gphy_enable_set(struct dsa_switch *ds, bool enable) @@ -1209,10 +1215,10 @@ static int bcm_sf2_sw_remove(struct platform_device *pdev) struct bcm_sf2_priv *priv = platform_get_drvdata(pdev); priv->wol_ports_mask = 0; + /* Disable interrupts */ + bcm_sf2_intr_disable(priv); dsa_unregister_switch(priv->dev->ds); bcm_sf2_cfp_exit(priv->dev->ds); - /* Disable all ports and interrupts */ - bcm_sf2_sw_suspend(priv->dev->ds); bcm_sf2_mdio_unregister(priv); return 0; diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index a23d3ffdf0c4..24a5e99f7fd5 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -1224,10 +1224,6 @@ static int ksz8795_switch_init(struct ksz_device *dev) { int i; - mutex_init(&dev->stats_mutex); - mutex_init(&dev->alu_mutex); - mutex_init(&dev->vlan_mutex); - dev->ds->ops = &ksz8795_switch_ops; for (i = 0; i < ARRAY_SIZE(ksz8795_switch_chips); i++) { diff --git a/drivers/net/dsa/microchip/ksz8795_spi.c b/drivers/net/dsa/microchip/ksz8795_spi.c index d0f8153e86b7..8b00f8e6c02f 100644 --- a/drivers/net/dsa/microchip/ksz8795_spi.c +++ b/drivers/net/dsa/microchip/ksz8795_spi.c @@ -25,6 +25,7 @@ KSZ_REGMAP_TABLE(ksz8795, 16, SPI_ADDR_SHIFT, static int ksz8795_spi_probe(struct spi_device *spi) { + struct regmap_config rc; struct ksz_device *dev; int i, ret; @@ -33,9 +34,9 @@ static int ksz8795_spi_probe(struct spi_device *spi) return -ENOMEM; for (i = 0; i < ARRAY_SIZE(ksz8795_regmap_config); i++) { - dev->regmap[i] = devm_regmap_init_spi(spi, - &ksz8795_regmap_config - [i]); + rc = ksz8795_regmap_config[i]; + rc.lock_arg = &dev->regmap_mutex; + dev->regmap[i] = devm_regmap_init_spi(spi, &rc); if (IS_ERR(dev->regmap[i])) { ret = PTR_ERR(dev->regmap[i]); dev_err(&spi->dev, diff --git a/drivers/net/dsa/microchip/ksz9477_i2c.c b/drivers/net/dsa/microchip/ksz9477_i2c.c index 0b1e01f0873d..fdffd9e0c518 100644 --- a/drivers/net/dsa/microchip/ksz9477_i2c.c +++ b/drivers/net/dsa/microchip/ksz9477_i2c.c @@ -17,6 +17,7 @@ KSZ_REGMAP_TABLE(ksz9477, not_used, 16, 0, 0); static int ksz9477_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *i2c_id) { + struct regmap_config rc; struct ksz_device *dev; int i, ret; @@ -25,8 +26,9 @@ static int ksz9477_i2c_probe(struct i2c_client *i2c, return -ENOMEM; for (i = 0; i < ARRAY_SIZE(ksz9477_regmap_config); i++) { - dev->regmap[i] = devm_regmap_init_i2c(i2c, - &ksz9477_regmap_config[i]); + rc = ksz9477_regmap_config[i]; + rc.lock_arg = &dev->regmap_mutex; + dev->regmap[i] = devm_regmap_init_i2c(i2c, &rc); if (IS_ERR(dev->regmap[i])) { ret = PTR_ERR(dev->regmap[i]); dev_err(&i2c->dev, diff --git a/drivers/net/dsa/microchip/ksz9477_reg.h b/drivers/net/dsa/microchip/ksz9477_reg.h index 2938e892b631..16939f29faa5 100644 --- a/drivers/net/dsa/microchip/ksz9477_reg.h +++ b/drivers/net/dsa/microchip/ksz9477_reg.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: GPL-2.0 - * +/* SPDX-License-Identifier: GPL-2.0 */ +/* * Microchip KSZ9477 register definitions * * Copyright (C) 2017-2018 Microchip Technology Inc. diff --git a/drivers/net/dsa/microchip/ksz9477_spi.c b/drivers/net/dsa/microchip/ksz9477_spi.c index f4198d6f72be..c5f64959a184 100644 --- a/drivers/net/dsa/microchip/ksz9477_spi.c +++ b/drivers/net/dsa/microchip/ksz9477_spi.c @@ -24,6 +24,7 @@ KSZ_REGMAP_TABLE(ksz9477, 32, SPI_ADDR_SHIFT, static int ksz9477_spi_probe(struct spi_device *spi) { + struct regmap_config rc; struct ksz_device *dev; int i, ret; @@ -32,8 +33,9 @@ static int ksz9477_spi_probe(struct spi_device *spi) return -ENOMEM; for (i = 0; i < ARRAY_SIZE(ksz9477_regmap_config); i++) { - dev->regmap[i] = devm_regmap_init_spi(spi, - &ksz9477_regmap_config[i]); + rc = ksz9477_regmap_config[i]; + rc.lock_arg = &dev->regmap_mutex; + dev->regmap[i] = devm_regmap_init_spi(spi, &rc); if (IS_ERR(dev->regmap[i])) { ret = PTR_ERR(dev->regmap[i]); dev_err(&spi->dev, diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index b0b870f0c252..fe47180c908b 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -436,7 +436,7 @@ int ksz_switch_register(struct ksz_device *dev, } mutex_init(&dev->dev_mutex); - mutex_init(&dev->stats_mutex); + mutex_init(&dev->regmap_mutex); mutex_init(&dev->alu_mutex); mutex_init(&dev->vlan_mutex); diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index dd60d0837fc6..a20ebb749377 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: GPL-2.0 - * Microchip switch driver common header +/* SPDX-License-Identifier: GPL-2.0 */ +/* Microchip switch driver common header * * Copyright (C) 2017-2019 Microchip Technology Inc. */ @@ -47,7 +47,7 @@ struct ksz_device { const char *name; struct mutex dev_mutex; /* device access */ - struct mutex stats_mutex; /* status access */ + struct mutex regmap_mutex; /* regmap access */ struct mutex alu_mutex; /* ALU access */ struct mutex vlan_mutex; /* vlan access */ const struct ksz_dev_ops *dev_ops; @@ -290,6 +290,18 @@ static inline void ksz_pwrite32(struct ksz_device *dev, int port, int offset, ksz_write32(dev, dev->dev_ops->get_port_addr(port, offset), data); } +static inline void ksz_regmap_lock(void *__mtx) +{ + struct mutex *mtx = __mtx; + mutex_lock(mtx); +} + +static inline void ksz_regmap_unlock(void *__mtx) +{ + struct mutex *mtx = __mtx; + mutex_unlock(mtx); +} + /* Regmap tables generation */ #define KSZ_SPI_OP_RD 3 #define KSZ_SPI_OP_WR 2 @@ -314,6 +326,8 @@ static inline void ksz_pwrite32(struct ksz_device *dev, int port, int offset, .write_flag_mask = \ KSZ_SPI_OP_FLAG_MASK(KSZ_SPI_OP_WR, swp, \ regbits, regpad), \ + .lock = ksz_regmap_lock, \ + .unlock = ksz_regmap_unlock, \ .reg_format_endian = REGMAP_ENDIAN_BIG, \ .val_format_endian = REGMAP_ENDIAN_BIG \ } diff --git a/drivers/net/dsa/mv88e6xxx/ptp.c b/drivers/net/dsa/mv88e6xxx/ptp.c index 073cbd0bb91b..d838c174dc0d 100644 --- a/drivers/net/dsa/mv88e6xxx/ptp.c +++ b/drivers/net/dsa/mv88e6xxx/ptp.c @@ -273,6 +273,19 @@ static int mv88e6352_ptp_enable_extts(struct mv88e6xxx_chip *chip, int pin; int err; + /* Reject requests with unsupported flags */ + if (rq->extts.flags & ~(PTP_ENABLE_FEATURE | + PTP_RISING_EDGE | + PTP_FALLING_EDGE | + PTP_STRICT_FLAGS)) + return -EOPNOTSUPP; + + /* Reject requests to enable time stamping on both edges. */ + if ((rq->extts.flags & PTP_STRICT_FLAGS) && + (rq->extts.flags & PTP_ENABLE_FEATURE) && + (rq->extts.flags & PTP_EXTTS_EDGES) == PTP_EXTTS_EDGES) + return -EOPNOTSUPP; + pin = ptp_find_pin(chip->ptp_clock, PTP_PF_EXTTS, rq->extts.index); if (pin < 0) diff --git a/drivers/net/dsa/sja1105/Kconfig b/drivers/net/dsa/sja1105/Kconfig index f40b248f0b23..ffac0ea4e8d5 100644 --- a/drivers/net/dsa/sja1105/Kconfig +++ b/drivers/net/dsa/sja1105/Kconfig @@ -26,8 +26,8 @@ config NET_DSA_SJA1105_PTP config NET_DSA_SJA1105_TAS bool "Support for the Time-Aware Scheduler on NXP SJA1105" - depends on NET_DSA_SJA1105 - depends on NET_SCH_TAPRIO + depends on NET_DSA_SJA1105 && NET_SCH_TAPRIO + depends on NET_SCH_TAPRIO=y || NET_DSA_SJA1105=m help This enables support for the TTEthernet-based egress scheduling engine in the SJA1105 DSA driver, which is controlled using a diff --git a/drivers/net/dsa/sja1105/sja1105.h b/drivers/net/dsa/sja1105/sja1105.h index e53e494c22e0..fbb564c3beb8 100644 --- a/drivers/net/dsa/sja1105/sja1105.h +++ b/drivers/net/dsa/sja1105/sja1105.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: GPL-2.0 - * Copyright (c) 2018, Sensor-Technik Wiedemann GmbH +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2018, Sensor-Technik Wiedemann GmbH * Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com> */ #ifndef _SJA1105_H diff --git a/drivers/net/dsa/sja1105/sja1105_dynamic_config.h b/drivers/net/dsa/sja1105/sja1105_dynamic_config.h index 740dadf43f01..1fc0d13dc623 100644 --- a/drivers/net/dsa/sja1105/sja1105_dynamic_config.h +++ b/drivers/net/dsa/sja1105/sja1105_dynamic_config.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: GPL-2.0 - * Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com> +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com> */ #ifndef _SJA1105_DYNAMIC_CONFIG_H #define _SJA1105_DYNAMIC_CONFIG_H diff --git a/drivers/net/dsa/sja1105/sja1105_ptp.h b/drivers/net/dsa/sja1105/sja1105_ptp.h index af456b0a4d27..394e12a6ad59 100644 --- a/drivers/net/dsa/sja1105/sja1105_ptp.h +++ b/drivers/net/dsa/sja1105/sja1105_ptp.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: GPL-2.0 - * Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com> +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com> */ #ifndef _SJA1105_PTP_H #define _SJA1105_PTP_H diff --git a/drivers/net/dsa/sja1105/sja1105_static_config.h b/drivers/net/dsa/sja1105/sja1105_static_config.h index 7f87022a2d61..f4a5c5c04311 100644 --- a/drivers/net/dsa/sja1105/sja1105_static_config.h +++ b/drivers/net/dsa/sja1105/sja1105_static_config.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: BSD-3-Clause - * Copyright (c) 2016-2018, NXP Semiconductors +/* SPDX-License-Identifier: BSD-3-Clause */ +/* Copyright (c) 2016-2018, NXP Semiconductors * Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com> */ #ifndef _SJA1105_STATIC_CONFIG_H diff --git a/drivers/net/dsa/sja1105/sja1105_tas.h b/drivers/net/dsa/sja1105/sja1105_tas.h index 0b803c30e640..0aad212d88b2 100644 --- a/drivers/net/dsa/sja1105/sja1105_tas.h +++ b/drivers/net/dsa/sja1105/sja1105_tas.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: GPL-2.0 - * Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com> +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com> */ #ifndef _SJA1105_TAS_H #define _SJA1105_TAS_H diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_main.c b/drivers/net/ethernet/aquantia/atlantic/aq_main.c index b4a0fb281e69..bb65dd39f847 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_main.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_main.c @@ -194,9 +194,7 @@ static void aq_ndev_set_multicast_settings(struct net_device *ndev) { struct aq_nic_s *aq_nic = netdev_priv(ndev); - aq_nic_set_packet_filter(aq_nic, ndev->flags); - - aq_nic_set_multicast_list(aq_nic, ndev); + (void)aq_nic_set_multicast_list(aq_nic, ndev); } static int aq_ndo_vlan_rx_add_vid(struct net_device *ndev, __be16 proto, diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c index 8f66e7817811..137c1de4c6ec 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c @@ -631,9 +631,12 @@ err_exit: int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev) { - unsigned int packet_filter = self->packet_filter; + const struct aq_hw_ops *hw_ops = self->aq_hw_ops; + struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg; + unsigned int packet_filter = ndev->flags; struct netdev_hw_addr *ha = NULL; unsigned int i = 0U; + int err = 0; self->mc_list.count = 0; if (netdev_uc_count(ndev) > AQ_HW_MULTICAST_ADDRESS_MAX) { @@ -641,29 +644,28 @@ int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev) } else { netdev_for_each_uc_addr(ha, ndev) { ether_addr_copy(self->mc_list.ar[i++], ha->addr); - - if (i >= AQ_HW_MULTICAST_ADDRESS_MAX) - break; } } - if (i + netdev_mc_count(ndev) > AQ_HW_MULTICAST_ADDRESS_MAX) { - packet_filter |= IFF_ALLMULTI; - } else { - netdev_for_each_mc_addr(ha, ndev) { - ether_addr_copy(self->mc_list.ar[i++], ha->addr); - - if (i >= AQ_HW_MULTICAST_ADDRESS_MAX) - break; + cfg->is_mc_list_enabled = !!(packet_filter & IFF_MULTICAST); + if (cfg->is_mc_list_enabled) { + if (i + netdev_mc_count(ndev) > AQ_HW_MULTICAST_ADDRESS_MAX) { + packet_filter |= IFF_ALLMULTI; + } else { + netdev_for_each_mc_addr(ha, ndev) { + ether_addr_copy(self->mc_list.ar[i++], + ha->addr); + } } } if (i > 0 && i <= AQ_HW_MULTICAST_ADDRESS_MAX) { - packet_filter |= IFF_MULTICAST; self->mc_list.count = i; - self->aq_hw_ops->hw_multicast_list_set(self->aq_hw, - self->mc_list.ar, - self->mc_list.count); + err = hw_ops->hw_multicast_list_set(self->aq_hw, + self->mc_list.ar, + self->mc_list.count); + if (err < 0) + return err; } return aq_nic_set_packet_filter(self, packet_filter); } diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c index 3901d7994ca1..76bdbe1596d6 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c @@ -313,6 +313,7 @@ int aq_ring_rx_clean(struct aq_ring_s *self, break; buff->is_error |= buff_->is_error; + buff->is_cso_err |= buff_->is_cso_err; } while (!buff_->is_eop); @@ -320,7 +321,7 @@ int aq_ring_rx_clean(struct aq_ring_s *self, err = 0; goto err_exit; } - if (buff->is_error) { + if (buff->is_error || buff->is_cso_err) { buff_ = buff; do { next_ = buff_->next, diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c index 30f7fc4c97ff..2ad3fa6316ce 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c @@ -818,14 +818,15 @@ static int hw_atl_b0_hw_packet_filter_set(struct aq_hw_s *self, cfg->is_vlan_force_promisc); hw_atl_rpfl2multicast_flr_en_set(self, - IS_FILTER_ENABLED(IFF_ALLMULTI), 0); + IS_FILTER_ENABLED(IFF_ALLMULTI) && + IS_FILTER_ENABLED(IFF_MULTICAST), 0); hw_atl_rpfl2_accept_all_mc_packets_set(self, - IS_FILTER_ENABLED(IFF_ALLMULTI)); + IS_FILTER_ENABLED(IFF_ALLMULTI) && + IS_FILTER_ENABLED(IFF_MULTICAST)); hw_atl_rpfl2broadcast_en_set(self, IS_FILTER_ENABLED(IFF_BROADCAST)); - cfg->is_mc_list_enabled = IS_FILTER_ENABLED(IFF_MULTICAST); for (i = HW_ATL_B0_MAC_MIN; i < HW_ATL_B0_MAC_MAX; ++i) hw_atl_rpfl2_uc_flr_en_set(self, @@ -968,14 +969,26 @@ static int hw_atl_b0_hw_interrupt_moderation_set(struct aq_hw_s *self) static int hw_atl_b0_hw_stop(struct aq_hw_s *self) { + int err; + u32 val; + hw_atl_b0_hw_irq_disable(self, HW_ATL_B0_INT_MASK); /* Invalidate Descriptor Cache to prevent writing to the cached * descriptors and to the data pointer of those descriptors */ - hw_atl_rdm_rx_dma_desc_cache_init_set(self, 1); + hw_atl_rdm_rx_dma_desc_cache_init_tgl(self); - return aq_hw_err_from_flags(self); + err = aq_hw_err_from_flags(self); + + if (err) + goto err_exit; + + readx_poll_timeout_atomic(hw_atl_rdm_rx_dma_desc_cache_init_done_get, + self, val, val == 1, 1000U, 10000U); + +err_exit: + return err; } static int hw_atl_b0_hw_ring_tx_stop(struct aq_hw_s *self, diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c index 1149812ae463..6f340695e6bd 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c @@ -606,12 +606,25 @@ void hw_atl_rpb_rx_flow_ctl_mode_set(struct aq_hw_s *aq_hw, u32 rx_flow_ctl_mode HW_ATL_RPB_RX_FC_MODE_SHIFT, rx_flow_ctl_mode); } -void hw_atl_rdm_rx_dma_desc_cache_init_set(struct aq_hw_s *aq_hw, u32 init) +void hw_atl_rdm_rx_dma_desc_cache_init_tgl(struct aq_hw_s *aq_hw) { + u32 val; + + val = aq_hw_read_reg_bit(aq_hw, HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_ADR, + HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_MSK, + HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_SHIFT); + aq_hw_write_reg_bit(aq_hw, HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_ADR, HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_MSK, HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_SHIFT, - init); + val ^ 1); +} + +u32 hw_atl_rdm_rx_dma_desc_cache_init_done_get(struct aq_hw_s *aq_hw) +{ + return aq_hw_read_reg_bit(aq_hw, RDM_RX_DMA_DESC_CACHE_INIT_DONE_ADR, + RDM_RX_DMA_DESC_CACHE_INIT_DONE_MSK, + RDM_RX_DMA_DESC_CACHE_INIT_DONE_SHIFT); } void hw_atl_rpb_rx_pkt_buff_size_per_tc_set(struct aq_hw_s *aq_hw, diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h index 0c37abbabca5..c3ee278c3747 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h @@ -313,8 +313,11 @@ void hw_atl_rpb_rx_pkt_buff_size_per_tc_set(struct aq_hw_s *aq_hw, u32 rx_pkt_buff_size_per_tc, u32 buffer); -/* set rdm rx dma descriptor cache init */ -void hw_atl_rdm_rx_dma_desc_cache_init_set(struct aq_hw_s *aq_hw, u32 init); +/* toggle rdm rx dma descriptor cache init */ +void hw_atl_rdm_rx_dma_desc_cache_init_tgl(struct aq_hw_s *aq_hw); + +/* get rdm rx dma descriptor cache init done */ +u32 hw_atl_rdm_rx_dma_desc_cache_init_done_get(struct aq_hw_s *aq_hw); /* set rx xoff enable (per tc) */ void hw_atl_rpb_rx_xoff_en_per_tc_set(struct aq_hw_s *aq_hw, u32 rx_xoff_en_per_tc, diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h index c3febcdfa92e..35887ad89025 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h @@ -318,6 +318,25 @@ /* default value of bitfield rdm_desc_init_i */ #define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_DEFAULT 0x0 +/* rdm_desc_init_done_i bitfield definitions + * preprocessor definitions for the bitfield rdm_desc_init_done_i. + * port="pif_rdm_desc_init_done_i" + */ + +/* register address for bitfield rdm_desc_init_done_i */ +#define RDM_RX_DMA_DESC_CACHE_INIT_DONE_ADR 0x00005a10 +/* bitmask for bitfield rdm_desc_init_done_i */ +#define RDM_RX_DMA_DESC_CACHE_INIT_DONE_MSK 0x00000001U +/* inverted bitmask for bitfield rdm_desc_init_done_i */ +#define RDM_RX_DMA_DESC_CACHE_INIT_DONE_MSKN 0xfffffffe +/* lower bit position of bitfield rdm_desc_init_done_i */ +#define RDM_RX_DMA_DESC_CACHE_INIT_DONE_SHIFT 0U +/* width of bitfield rdm_desc_init_done_i */ +#define RDM_RX_DMA_DESC_CACHE_INIT_DONE_WIDTH 1 +/* default value of bitfield rdm_desc_init_done_i */ +#define RDM_RX_DMA_DESC_CACHE_INIT_DONE_DEFAULT 0x0 + + /* rx int_desc_wrb_en bitfield definitions * preprocessor definitions for the bitfield "int_desc_wrb_en". * port="pif_rdm_int_desc_wrb_en_i" diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c index da726489e3c8..7bc51f8d6f2f 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c @@ -337,7 +337,7 @@ static int aq_fw2x_get_phy_temp(struct aq_hw_s *self, int *temp) /* Convert PHY temperature from 1/256 degree Celsius * to 1/1000 degree Celsius. */ - *temp = temp_res * 1000 / 256; + *temp = (temp_res & 0xFFFF) * 1000 / 256; return 0; } diff --git a/drivers/net/ethernet/arc/emac_rockchip.c b/drivers/net/ethernet/arc/emac_rockchip.c index 42d2e1b02c44..664d664e0925 100644 --- a/drivers/net/ethernet/arc/emac_rockchip.c +++ b/drivers/net/ethernet/arc/emac_rockchip.c @@ -256,6 +256,9 @@ static int emac_rockchip_remove(struct platform_device *pdev) if (priv->regulator) regulator_disable(priv->regulator); + if (priv->soc_data->need_div_macclk) + clk_disable_unprepare(priv->macclk); + free_netdev(ndev); return err; } diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig index e24f5d2b6afe..53055ce5dfd6 100644 --- a/drivers/net/ethernet/broadcom/Kconfig +++ b/drivers/net/ethernet/broadcom/Kconfig @@ -8,7 +8,6 @@ config NET_VENDOR_BROADCOM default y depends on (SSB_POSSIBLE && HAS_DMA) || PCI || BCM63XX || \ SIBYTE_SB1xxx_SOC - select DIMLIB ---help--- If you have a network (Ethernet) chipset belonging to this class, say Y. @@ -69,6 +68,7 @@ config BCMGENET select FIXED_PHY select BCM7XXX_PHY select MDIO_BCM_UNIMAC + select DIMLIB help This driver supports the built-in Ethernet MACs found in the Broadcom BCM7xxx Set Top Box family chipset. @@ -188,6 +188,7 @@ config SYSTEMPORT select MII select PHYLIB select FIXED_PHY + select DIMLIB help This driver supports the built-in Ethernet MACs found in the Broadcom BCM7xxx Set Top Box family chipset using an internal @@ -200,6 +201,7 @@ config BNXT select LIBCRC32C select NET_DEVLINK select PAGE_POOL + select DIMLIB ---help--- This driver supports Broadcom NetXtreme-C/E 10/25/40/50 gigabit Ethernet cards. To compile this driver as a module, choose M here: diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index b4a8cf620a0c..04ec909e06df 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -10382,7 +10382,8 @@ static void bnxt_cleanup_pci(struct bnxt *bp) { bnxt_unmap_bars(bp, bp->pdev); pci_release_regions(bp->pdev); - pci_disable_device(bp->pdev); + if (pci_is_enabled(bp->pdev)) + pci_disable_device(bp->pdev); } static void bnxt_init_dflt_coal(struct bnxt *bp) @@ -10669,14 +10670,11 @@ static void bnxt_fw_reset_task(struct work_struct *work) bp->fw_reset_state = BNXT_FW_RESET_STATE_RESET_FW; } /* fall through */ - case BNXT_FW_RESET_STATE_RESET_FW: { - u32 wait_dsecs = bp->fw_health->post_reset_wait_dsecs; - + case BNXT_FW_RESET_STATE_RESET_FW: bnxt_reset_all(bp); bp->fw_reset_state = BNXT_FW_RESET_STATE_ENABLE_DEV; - bnxt_queue_fw_reset_work(bp, wait_dsecs * HZ / 10); + bnxt_queue_fw_reset_work(bp, bp->fw_reset_min_dsecs * HZ / 10); return; - } case BNXT_FW_RESET_STATE_ENABLE_DEV: if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state) && bp->fw_health) { diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c index e664392dccc0..7151244f8c7d 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c @@ -29,25 +29,20 @@ static int bnxt_fw_reporter_diagnose(struct devlink_health_reporter *reporter, val = bnxt_fw_health_readl(bp, BNXT_FW_HEALTH_REG); health_status = val & 0xffff; - if (health_status == BNXT_FW_STATUS_HEALTHY) { - rc = devlink_fmsg_string_pair_put(fmsg, "FW status", - "Healthy;"); - if (rc) - return rc; - } else if (health_status < BNXT_FW_STATUS_HEALTHY) { - rc = devlink_fmsg_string_pair_put(fmsg, "FW status", - "Not yet completed initialization;"); + if (health_status < BNXT_FW_STATUS_HEALTHY) { + rc = devlink_fmsg_string_pair_put(fmsg, "Description", + "Not yet completed initialization"); if (rc) return rc; } else if (health_status > BNXT_FW_STATUS_HEALTHY) { - rc = devlink_fmsg_string_pair_put(fmsg, "FW status", - "Encountered fatal error and cannot recover;"); + rc = devlink_fmsg_string_pair_put(fmsg, "Description", + "Encountered fatal error and cannot recover"); if (rc) return rc; } if (val >> 16) { - rc = devlink_fmsg_u32_pair_put(fmsg, "Error", val >> 16); + rc = devlink_fmsg_u32_pair_put(fmsg, "Error code", val >> 16); if (rc) return rc; } @@ -215,25 +210,68 @@ enum bnxt_dl_param_id { static const struct bnxt_dl_nvm_param nvm_params[] = { {DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, NVM_OFF_ENABLE_SRIOV, - BNXT_NVM_SHARED_CFG, 1}, + BNXT_NVM_SHARED_CFG, 1, 1}, {DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, NVM_OFF_IGNORE_ARI, - BNXT_NVM_SHARED_CFG, 1}, + BNXT_NVM_SHARED_CFG, 1, 1}, {DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, - NVM_OFF_MSIX_VEC_PER_PF_MAX, BNXT_NVM_SHARED_CFG, 10}, + NVM_OFF_MSIX_VEC_PER_PF_MAX, BNXT_NVM_SHARED_CFG, 10, 4}, {DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, - NVM_OFF_MSIX_VEC_PER_PF_MIN, BNXT_NVM_SHARED_CFG, 7}, + NVM_OFF_MSIX_VEC_PER_PF_MIN, BNXT_NVM_SHARED_CFG, 7, 4}, {BNXT_DEVLINK_PARAM_ID_GRE_VER_CHECK, NVM_OFF_DIS_GRE_VER_CHECK, - BNXT_NVM_SHARED_CFG, 1}, + BNXT_NVM_SHARED_CFG, 1, 1}, }; +union bnxt_nvm_data { + u8 val8; + __le32 val32; +}; + +static void bnxt_copy_to_nvm_data(union bnxt_nvm_data *dst, + union devlink_param_value *src, + int nvm_num_bits, int dl_num_bytes) +{ + u32 val32 = 0; + + if (nvm_num_bits == 1) { + dst->val8 = src->vbool; + return; + } + if (dl_num_bytes == 4) + val32 = src->vu32; + else if (dl_num_bytes == 2) + val32 = (u32)src->vu16; + else if (dl_num_bytes == 1) + val32 = (u32)src->vu8; + dst->val32 = cpu_to_le32(val32); +} + +static void bnxt_copy_from_nvm_data(union devlink_param_value *dst, + union bnxt_nvm_data *src, + int nvm_num_bits, int dl_num_bytes) +{ + u32 val32; + + if (nvm_num_bits == 1) { + dst->vbool = src->val8; + return; + } + val32 = le32_to_cpu(src->val32); + if (dl_num_bytes == 4) + dst->vu32 = val32; + else if (dl_num_bytes == 2) + dst->vu16 = (u16)val32; + else if (dl_num_bytes == 1) + dst->vu8 = (u8)val32; +} + static int bnxt_hwrm_nvm_req(struct bnxt *bp, u32 param_id, void *msg, int msg_len, union devlink_param_value *val) { struct hwrm_nvm_get_variable_input *req = msg; - void *data_addr = NULL, *buf = NULL; struct bnxt_dl_nvm_param nvm_param; - int bytesize, idx = 0, rc, i; + union bnxt_nvm_data *data; dma_addr_t data_dma_addr; + int idx = 0, rc, i; /* Get/Set NVM CFG parameter is supported only on PFs */ if (BNXT_VF(bp)) @@ -254,47 +292,31 @@ static int bnxt_hwrm_nvm_req(struct bnxt *bp, u32 param_id, void *msg, else if (nvm_param.dir_type == BNXT_NVM_FUNC_CFG) idx = bp->pf.fw_fid - BNXT_FIRST_PF_FID; - bytesize = roundup(nvm_param.num_bits, BITS_PER_BYTE) / BITS_PER_BYTE; - switch (bytesize) { - case 1: - if (nvm_param.num_bits == 1) - buf = &val->vbool; - else - buf = &val->vu8; - break; - case 2: - buf = &val->vu16; - break; - case 4: - buf = &val->vu32; - break; - default: - return -EFAULT; - } - - data_addr = dma_alloc_coherent(&bp->pdev->dev, bytesize, - &data_dma_addr, GFP_KERNEL); - if (!data_addr) + data = dma_alloc_coherent(&bp->pdev->dev, sizeof(*data), + &data_dma_addr, GFP_KERNEL); + if (!data) return -ENOMEM; req->dest_data_addr = cpu_to_le64(data_dma_addr); - req->data_len = cpu_to_le16(nvm_param.num_bits); + req->data_len = cpu_to_le16(nvm_param.nvm_num_bits); req->option_num = cpu_to_le16(nvm_param.offset); req->index_0 = cpu_to_le16(idx); if (idx) req->dimensions = cpu_to_le16(1); if (req->req_type == cpu_to_le16(HWRM_NVM_SET_VARIABLE)) { - memcpy(data_addr, buf, bytesize); + bnxt_copy_to_nvm_data(data, val, nvm_param.nvm_num_bits, + nvm_param.dl_num_bytes); rc = hwrm_send_message(bp, msg, msg_len, HWRM_CMD_TIMEOUT); } else { rc = hwrm_send_message_silent(bp, msg, msg_len, HWRM_CMD_TIMEOUT); + if (!rc) + bnxt_copy_from_nvm_data(val, data, + nvm_param.nvm_num_bits, + nvm_param.dl_num_bytes); } - if (!rc && req->req_type == cpu_to_le16(HWRM_NVM_GET_VARIABLE)) - memcpy(buf, data_addr, bytesize); - - dma_free_coherent(&bp->pdev->dev, bytesize, data_addr, data_dma_addr); + dma_free_coherent(&bp->pdev->dev, sizeof(*data), data, data_dma_addr); if (rc == -EACCES) netdev_err(bp->dev, "PF does not have admin privileges to modify NVM config\n"); return rc; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h index b97e0baeb42d..2f4fd0a7d04b 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h @@ -52,7 +52,8 @@ struct bnxt_dl_nvm_param { u16 id; u16 offset; u16 dir_type; - u16 num_bits; + u16 nvm_num_bits; + u8 dl_num_bytes; }; void bnxt_devlink_health_report(struct bnxt *bp, unsigned long event); diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 12cb77ef1081..1de51811fcb4 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -1996,8 +1996,6 @@ static void reset_umac(struct bcmgenet_priv *priv) /* issue soft reset with (rg)mii loopback to ensure a stable rxclk */ bcmgenet_umac_writel(priv, CMD_SW_RESET | CMD_LCL_LOOP_EN, UMAC_CMD); - udelay(2); - bcmgenet_umac_writel(priv, 0, UMAC_CMD); } static void bcmgenet_intr_disable(struct bcmgenet_priv *priv) @@ -2018,6 +2016,8 @@ static void bcmgenet_link_intr_enable(struct bcmgenet_priv *priv) */ if (priv->internal_phy) { int0_enable |= UMAC_IRQ_LINK_EVENT; + if (GENET_IS_V1(priv) || GENET_IS_V2(priv) || GENET_IS_V3(priv)) + int0_enable |= UMAC_IRQ_PHY_DET_R; } else if (priv->ext_phy) { int0_enable |= UMAC_IRQ_LINK_EVENT; } else if (priv->phy_interface == PHY_INTERFACE_MODE_MOCA) { @@ -2611,11 +2611,16 @@ static void bcmgenet_irq_task(struct work_struct *work) priv->irq0_stat = 0; spin_unlock_irq(&priv->lock); + if (status & UMAC_IRQ_PHY_DET_R && + priv->dev->phydev->autoneg != AUTONEG_ENABLE) { + phy_init_hw(priv->dev->phydev); + genphy_config_aneg(priv->dev->phydev); + } + /* Link UP/DOWN event */ - if (status & UMAC_IRQ_LINK_EVENT) { - priv->dev->phydev->link = !!(status & UMAC_IRQ_LINK_UP); + if (status & UMAC_IRQ_LINK_EVENT) phy_mac_interrupt(priv->dev->phydev); - } + } /* bcmgenet_isr1: handle Rx and Tx priority queues */ @@ -2710,7 +2715,7 @@ static irqreturn_t bcmgenet_isr0(int irq, void *dev_id) } /* all other interested interrupts handled in bottom half */ - status &= UMAC_IRQ_LINK_EVENT; + status &= (UMAC_IRQ_LINK_EVENT | UMAC_IRQ_PHY_DET_R); if (status) { /* Save irq status for bottom-half processing. */ spin_lock_irqsave(&priv->lock, flags); @@ -3631,6 +3636,7 @@ static int bcmgenet_resume(struct device *d) phy_init_hw(dev->phydev); /* Speed settings must be restored */ + genphy_config_aneg(dev->phydev); bcmgenet_mii_config(priv->dev, false); bcmgenet_set_hw_addr(priv, dev->dev_addr); diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h index 4a8fc03d82fd..dbc69d8fa05f 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h @@ -366,6 +366,7 @@ struct bcmgenet_mib_counters { #define EXT_PWR_DOWN_PHY_EN (1 << 20) #define EXT_RGMII_OOB_CTRL 0x0C +#define RGMII_MODE_EN_V123 (1 << 0) #define RGMII_LINK (1 << 4) #define OOB_DISABLE (1 << 5) #define RGMII_MODE_EN (1 << 6) diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index 970e478a9017..dbe18cdf6c1b 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -181,8 +181,38 @@ int bcmgenet_mii_config(struct net_device *dev, bool init) const char *phy_name = NULL; u32 id_mode_dis = 0; u32 port_ctrl; + int bmcr = -1; + int ret; u32 reg; + /* MAC clocking workaround during reset of umac state machines */ + reg = bcmgenet_umac_readl(priv, UMAC_CMD); + if (reg & CMD_SW_RESET) { + /* An MII PHY must be isolated to prevent TXC contention */ + if (priv->phy_interface == PHY_INTERFACE_MODE_MII) { + ret = phy_read(phydev, MII_BMCR); + if (ret >= 0) { + bmcr = ret; + ret = phy_write(phydev, MII_BMCR, + bmcr | BMCR_ISOLATE); + } + if (ret) { + netdev_err(dev, "failed to isolate PHY\n"); + return ret; + } + } + /* Switch MAC clocking to RGMII generated clock */ + bcmgenet_sys_writel(priv, PORT_MODE_EXT_GPHY, SYS_PORT_CTRL); + /* Ensure 5 clks with Rx disabled + * followed by 5 clks with Reset asserted + */ + udelay(4); + reg &= ~(CMD_SW_RESET | CMD_LCL_LOOP_EN); + bcmgenet_umac_writel(priv, reg, UMAC_CMD); + /* Ensure 5 more clocks before Rx is enabled */ + udelay(2); + } + priv->ext_phy = !priv->internal_phy && (priv->phy_interface != PHY_INTERFACE_MODE_MOCA); @@ -214,6 +244,9 @@ int bcmgenet_mii_config(struct net_device *dev, bool init) phy_set_max_speed(phydev, SPEED_100); bcmgenet_sys_writel(priv, PORT_MODE_EXT_EPHY, SYS_PORT_CTRL); + /* Restore the MII PHY after isolation */ + if (bmcr >= 0) + phy_write(phydev, MII_BMCR, bmcr); break; case PHY_INTERFACE_MODE_REVMII: @@ -258,7 +291,11 @@ int bcmgenet_mii_config(struct net_device *dev, bool init) */ if (priv->ext_phy) { reg = bcmgenet_ext_readl(priv, EXT_RGMII_OOB_CTRL); - reg |= RGMII_MODE_EN | id_mode_dis; + reg |= id_mode_dis; + if (GENET_IS_V1(priv) || GENET_IS_V2(priv) || GENET_IS_V3(priv)) + reg |= RGMII_MODE_EN_V123; + else + reg |= RGMII_MODE_EN; bcmgenet_ext_writel(priv, reg, EXT_RGMII_OOB_CTRL); } @@ -273,11 +310,12 @@ int bcmgenet_mii_probe(struct net_device *dev) struct bcmgenet_priv *priv = netdev_priv(dev); struct device_node *dn = priv->pdev->dev.of_node; struct phy_device *phydev; - u32 phy_flags; + u32 phy_flags = 0; int ret; /* Communicate the integrated PHY revision */ - phy_flags = priv->gphy_rev; + if (priv->internal_phy) + phy_flags = priv->gphy_rev; /* Initialize link state variables that bcmgenet_mii_setup() uses */ priv->old_link = -1; diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 77f3511b97de..ca3aa1250dd1 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -6280,6 +6280,10 @@ static int tg3_ptp_enable(struct ptp_clock_info *ptp, switch (rq->type) { case PTP_CLK_REQ_PEROUT: + /* Reject requests with unsupported flags */ + if (rq->perout.flags) + return -EOPNOTSUPP; + if (rq->perout.index != 0) return -EINVAL; diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 8e8d557901a9..1e1b774e1953 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -3405,17 +3405,17 @@ static int macb_clk_init(struct platform_device *pdev, struct clk **pclk, return err; } - *tx_clk = devm_clk_get(&pdev->dev, "tx_clk"); + *tx_clk = devm_clk_get_optional(&pdev->dev, "tx_clk"); if (IS_ERR(*tx_clk)) - *tx_clk = NULL; + return PTR_ERR(*tx_clk); - *rx_clk = devm_clk_get(&pdev->dev, "rx_clk"); + *rx_clk = devm_clk_get_optional(&pdev->dev, "rx_clk"); if (IS_ERR(*rx_clk)) - *rx_clk = NULL; + return PTR_ERR(*rx_clk); - *tsu_clk = devm_clk_get(&pdev->dev, "tsu_clk"); + *tsu_clk = devm_clk_get_optional(&pdev->dev, "tsu_clk"); if (IS_ERR(*tsu_clk)) - *tsu_clk = NULL; + return PTR_ERR(*tsu_clk); err = clk_prepare_enable(*pclk); if (err) { diff --git a/drivers/net/ethernet/cavium/common/cavium_ptp.h b/drivers/net/ethernet/cavium/common/cavium_ptp.h index be2bafc7beeb..a04eccbc78e8 100644 --- a/drivers/net/ethernet/cavium/common/cavium_ptp.h +++ b/drivers/net/ethernet/cavium/common/cavium_ptp.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +/* SPDX-License-Identifier: GPL-2.0 */ /* cavium_ptp.h - PTP 1588 clock on Cavium hardware * Copyright (c) 2003-2015, 2017 Cavium, Inc. */ diff --git a/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c b/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c index 0e5de88fd6e8..cdd7e5da4a74 100644 --- a/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c +++ b/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c @@ -1499,7 +1499,7 @@ static int octeon_mgmt_probe(struct platform_device *pdev) netdev->ethtool_ops = &octeon_mgmt_ethtool_ops; netdev->min_mtu = 64 - OCTEON_MGMT_RX_HEADROOM; - netdev->max_mtu = 16383 - OCTEON_MGMT_RX_HEADROOM; + netdev->max_mtu = 16383 - OCTEON_MGMT_RX_HEADROOM - VLAN_HLEN; mac = of_get_mac_address(pdev->dev.of_node); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c index a4dead4ab0ed..86b528d8364c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c @@ -695,10 +695,10 @@ static void uld_init(struct adapter *adap, struct cxgb4_lld_info *lld) lld->write_cmpl_support = adap->params.write_cmpl_support; } -static void uld_attach(struct adapter *adap, unsigned int uld) +static int uld_attach(struct adapter *adap, unsigned int uld) { - void *handle; struct cxgb4_lld_info lli; + void *handle; uld_init(adap, &lli); uld_queue_init(adap, uld, &lli); @@ -708,7 +708,7 @@ static void uld_attach(struct adapter *adap, unsigned int uld) dev_warn(adap->pdev_dev, "could not attach to the %s driver, error %ld\n", adap->uld[uld].name, PTR_ERR(handle)); - return; + return PTR_ERR(handle); } adap->uld[uld].handle = handle; @@ -716,22 +716,22 @@ static void uld_attach(struct adapter *adap, unsigned int uld) if (adap->flags & CXGB4_FULL_INIT_DONE) adap->uld[uld].state_change(handle, CXGB4_STATE_UP); + + return 0; } -/** - * cxgb4_register_uld - register an upper-layer driver - * @type: the ULD type - * @p: the ULD methods +/* cxgb4_register_uld - register an upper-layer driver + * @type: the ULD type + * @p: the ULD methods * - * Registers an upper-layer driver with this driver and notifies the ULD - * about any presently available devices that support its type. Returns - * %-EBUSY if a ULD of the same type is already registered. + * Registers an upper-layer driver with this driver and notifies the ULD + * about any presently available devices that support its type. */ void cxgb4_register_uld(enum cxgb4_uld type, const struct cxgb4_uld_info *p) { - int ret = 0; struct adapter *adap; + int ret = 0; if (type >= CXGB4_ULD_MAX) return; @@ -763,8 +763,12 @@ void cxgb4_register_uld(enum cxgb4_uld type, if (ret) goto free_irq; adap->uld[type] = *p; - uld_attach(adap, type); + ret = uld_attach(adap, type); + if (ret) + goto free_txq; continue; +free_txq: + release_sge_txq_uld(adap, type); free_irq: if (adap->flags & CXGB4_FULL_INIT_DONE) quiesce_rx_uld(adap, type); diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index b3da81e90132..928bfea5457b 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -3791,15 +3791,11 @@ int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq, * write the CIDX Updates into the Status Page at the end of the * TX Queue. */ - c.autoequiqe_to_viid = htonl((dbqt - ? FW_EQ_ETH_CMD_AUTOEQUIQE_F - : FW_EQ_ETH_CMD_AUTOEQUEQE_F) | + c.autoequiqe_to_viid = htonl(FW_EQ_ETH_CMD_AUTOEQUEQE_F | FW_EQ_ETH_CMD_VIID_V(pi->viid)); c.fetchszm_to_iqid = - htonl(FW_EQ_ETH_CMD_HOSTFCMODE_V(dbqt - ? HOSTFCMODE_INGRESS_QUEUE_X - : HOSTFCMODE_STATUS_PAGE_X) | + htonl(FW_EQ_ETH_CMD_HOSTFCMODE_V(HOSTFCMODE_STATUS_PAGE_X) | FW_EQ_ETH_CMD_PCIECHN_V(pi->tx_chan) | FW_EQ_ETH_CMD_FETCHRO_F | FW_EQ_ETH_CMD_IQID_V(iqid)); diff --git a/drivers/net/ethernet/cirrus/ep93xx_eth.c b/drivers/net/ethernet/cirrus/ep93xx_eth.c index f1a0c4dceda0..f37c9a08c4cf 100644 --- a/drivers/net/ethernet/cirrus/ep93xx_eth.c +++ b/drivers/net/ethernet/cirrus/ep93xx_eth.c @@ -763,6 +763,7 @@ static int ep93xx_eth_remove(struct platform_device *pdev) { struct net_device *dev; struct ep93xx_priv *ep; + struct resource *mem; dev = platform_get_drvdata(pdev); if (dev == NULL) @@ -778,8 +779,8 @@ static int ep93xx_eth_remove(struct platform_device *pdev) iounmap(ep->base_addr); if (ep->res != NULL) { - release_resource(ep->res); - kfree(ep->res); + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + release_mem_region(mem->start, resource_size(mem)); } free_netdev(dev); diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index e736ce2c58ca..a8f4c69252ff 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -2524,6 +2524,7 @@ static int gemini_ethernet_port_remove(struct platform_device *pdev) struct gemini_ethernet_port *port = platform_get_drvdata(pdev); gemini_port_remove(port); + free_netdev(port->netdev); return 0; } diff --git a/drivers/net/ethernet/cortina/gemini.h b/drivers/net/ethernet/cortina/gemini.h index 0b12f89bf89a..9fdf77d5eb37 100644 --- a/drivers/net/ethernet/cortina/gemini.h +++ b/drivers/net/ethernet/cortina/gemini.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +/* SPDX-License-Identifier: GPL-2.0 */ /* Register definitions for Gemini GMAC Ethernet device driver * * Copyright (C) 2006 Storlink, Corp. diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c index 9b7af94a40bb..96e9565f1e08 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -727,6 +727,18 @@ static netdev_tx_t ftgmac100_hard_start_xmit(struct sk_buff *skb, */ nfrags = skb_shinfo(skb)->nr_frags; + /* Setup HW checksumming */ + csum_vlan = 0; + if (skb->ip_summed == CHECKSUM_PARTIAL && + !ftgmac100_prep_tx_csum(skb, &csum_vlan)) + goto drop; + + /* Add VLAN tag */ + if (skb_vlan_tag_present(skb)) { + csum_vlan |= FTGMAC100_TXDES1_INS_VLANTAG; + csum_vlan |= skb_vlan_tag_get(skb) & 0xffff; + } + /* Get header len */ len = skb_headlen(skb); @@ -753,19 +765,6 @@ static netdev_tx_t ftgmac100_hard_start_xmit(struct sk_buff *skb, if (nfrags == 0) f_ctl_stat |= FTGMAC100_TXDES0_LTS; txdes->txdes3 = cpu_to_le32(map); - - /* Setup HW checksumming */ - csum_vlan = 0; - if (skb->ip_summed == CHECKSUM_PARTIAL && - !ftgmac100_prep_tx_csum(skb, &csum_vlan)) - goto drop; - - /* Add VLAN tag */ - if (skb_vlan_tag_present(skb)) { - csum_vlan |= FTGMAC100_TXDES1_INS_VLANTAG; - csum_vlan |= skb_vlan_tag_get(skb) & 0xffff; - } - txdes->txdes1 = cpu_to_le32(csum_vlan); /* Next descriptor */ diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index 162d7d8fb295..bf5add954181 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -1235,6 +1235,8 @@ static void dpaa2_eth_set_rx_taildrop(struct dpaa2_eth_priv *priv, bool enable) priv->rx_td_enabled = enable; } +static void update_tx_fqids(struct dpaa2_eth_priv *priv); + static int link_state_update(struct dpaa2_eth_priv *priv) { struct dpni_link_state state = {0}; @@ -1261,6 +1263,7 @@ static int link_state_update(struct dpaa2_eth_priv *priv) goto out; if (state.up) { + update_tx_fqids(priv); netif_carrier_on(priv->net_dev); netif_tx_start_all_queues(priv->net_dev); } else { @@ -2229,8 +2232,16 @@ err_set_cdan: err_service_reg: free_channel(priv, channel); err_alloc_ch: - if (err == -EPROBE_DEFER) + if (err == -EPROBE_DEFER) { + for (i = 0; i < priv->num_channels; i++) { + channel = priv->channel[i]; + nctx = &channel->nctx; + dpaa2_io_service_deregister(channel->dpio, nctx, dev); + free_channel(priv, channel); + } + priv->num_channels = 0; return err; + } if (cpumask_empty(&priv->dpio_cpumask)) { dev_err(dev, "No cpu with an affine DPIO/DPCON\n"); @@ -2533,6 +2544,47 @@ static int set_pause(struct dpaa2_eth_priv *priv) return 0; } +static void update_tx_fqids(struct dpaa2_eth_priv *priv) +{ + struct dpni_queue_id qid = {0}; + struct dpaa2_eth_fq *fq; + struct dpni_queue queue; + int i, j, err; + + /* We only use Tx FQIDs for FQID-based enqueue, so check + * if DPNI version supports it before updating FQIDs + */ + if (dpaa2_eth_cmp_dpni_ver(priv, DPNI_ENQUEUE_FQID_VER_MAJOR, + DPNI_ENQUEUE_FQID_VER_MINOR) < 0) + return; + + for (i = 0; i < priv->num_fqs; i++) { + fq = &priv->fq[i]; + if (fq->type != DPAA2_TX_CONF_FQ) + continue; + for (j = 0; j < dpaa2_eth_tc_count(priv); j++) { + err = dpni_get_queue(priv->mc_io, 0, priv->mc_token, + DPNI_QUEUE_TX, j, fq->flowid, + &queue, &qid); + if (err) + goto out_err; + + fq->tx_fqid[j] = qid.fqid; + if (fq->tx_fqid[j] == 0) + goto out_err; + } + } + + priv->enqueue = dpaa2_eth_enqueue_fq; + + return; + +out_err: + netdev_info(priv->net_dev, + "Error reading Tx FQID, fallback to QDID-based enqueue\n"); + priv->enqueue = dpaa2_eth_enqueue_qd; +} + /* Configure the DPNI object this interface is associated with */ static int setup_dpni(struct fsl_mc_device *ls_dev) { @@ -3306,6 +3358,9 @@ static irqreturn_t dpni_irq0_handler_thread(int irq_num, void *arg) if (status & DPNI_IRQ_EVENT_LINK_CHANGED) link_state_update(netdev_priv(net_dev)); + if (status & DPNI_IRQ_EVENT_ENDPOINT_CHANGED) + set_mac_addr(netdev_priv(net_dev)); + return IRQ_HANDLED; } @@ -3331,7 +3386,8 @@ static int setup_irqs(struct fsl_mc_device *ls_dev) } err = dpni_set_irq_mask(ls_dev->mc_io, 0, ls_dev->mc_handle, - DPNI_IRQ_INDEX, DPNI_IRQ_EVENT_LINK_CHANGED); + DPNI_IRQ_INDEX, DPNI_IRQ_EVENT_LINK_CHANGED | + DPNI_IRQ_EVENT_ENDPOINT_CHANGED); if (err < 0) { dev_err(&ls_dev->dev, "dpni_set_irq_mask(): %d\n", err); goto free_irq; diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.h index ff2e177395d4..df2458a5e9ef 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright 2018 NXP */ diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.h b/drivers/net/ethernet/freescale/dpaa2/dpni.h index fd583911b6c0..ee0711d06b3a 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpni.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpni.h @@ -133,9 +133,12 @@ int dpni_reset(struct fsl_mc_io *mc_io, */ #define DPNI_IRQ_INDEX 0 /** - * IRQ event - indicates a change in link state + * IRQ events: + * indicates a change in link state + * indicates a change in endpoint */ #define DPNI_IRQ_EVENT_LINK_CHANGED 0x00000001 +#define DPNI_IRQ_EVENT_ENDPOINT_CHANGED 0x00000002 int dpni_set_irq_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, diff --git a/drivers/net/ethernet/freescale/dpaa2/dprtc-cmd.h b/drivers/net/ethernet/freescale/dpaa2/dprtc-cmd.h index 720cd50f5895..4ac05bfef338 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dprtc-cmd.h +++ b/drivers/net/ethernet/freescale/dpaa2/dprtc-cmd.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright 2013-2016 Freescale Semiconductor Inc. * Copyright 2016-2018 NXP diff --git a/drivers/net/ethernet/freescale/dpaa2/dprtc.h b/drivers/net/ethernet/freescale/dpaa2/dprtc.h index be7914c1634d..311c184e1aef 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dprtc.h +++ b/drivers/net/ethernet/freescale/dpaa2/dprtc.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright 2013-2016 Freescale Semiconductor Inc. * Copyright 2016-2018 NXP diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index d4d4c72adf49..4bb30761abfc 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -3558,7 +3558,7 @@ fec_probe(struct platform_device *pdev) for (i = 0; i < irq_cnt; i++) { snprintf(irq_name, sizeof(irq_name), "int%d", i); - irq = platform_get_irq_byname(pdev, irq_name); + irq = platform_get_irq_byname_optional(pdev, irq_name); if (irq < 0) irq = platform_get_irq(pdev, i); if (irq < 0) { @@ -3636,6 +3636,11 @@ fec_drv_remove(struct platform_device *pdev) struct net_device *ndev = platform_get_drvdata(pdev); struct fec_enet_private *fep = netdev_priv(ndev); struct device_node *np = pdev->dev.of_node; + int ret; + + ret = pm_runtime_get_sync(&pdev->dev); + if (ret < 0) + return ret; cancel_work_sync(&fep->tx_timeout_work); fec_ptp_stop(pdev); @@ -3643,13 +3648,17 @@ fec_drv_remove(struct platform_device *pdev) fec_enet_mii_remove(fep); if (fep->reg_phy) regulator_disable(fep->reg_phy); - pm_runtime_put(&pdev->dev); - pm_runtime_disable(&pdev->dev); + if (of_phy_is_fixed_link(np)) of_phy_deregister_fixed_link(np); of_node_put(fep->phy_node); free_netdev(ndev); + clk_disable_unprepare(fep->clk_ahb); + clk_disable_unprepare(fep->clk_ipg); + pm_runtime_put_noidle(&pdev->dev); + pm_runtime_disable(&pdev->dev); + return 0; } diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c index 19e2365be7d8..945643c02615 100644 --- a/drivers/net/ethernet/freescale/fec_ptp.c +++ b/drivers/net/ethernet/freescale/fec_ptp.c @@ -600,9 +600,9 @@ void fec_ptp_init(struct platform_device *pdev, int irq_idx) INIT_DELAYED_WORK(&fep->time_keep, fec_time_keep); - irq = platform_get_irq_byname(pdev, "pps"); + irq = platform_get_irq_byname_optional(pdev, "pps"); if (irq < 0) - irq = platform_get_irq(pdev, irq_idx); + irq = platform_get_irq_optional(pdev, irq_idx); /* Failure to get an irq is not fatal, * only the PTP_CLOCK_PPS clock events should stop */ diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c index 59564ac99d2a..edec61dfc868 100644 --- a/drivers/net/ethernet/google/gve/gve_rx.c +++ b/drivers/net/ethernet/google/gve/gve_rx.c @@ -289,6 +289,8 @@ static bool gve_rx(struct gve_rx_ring *rx, struct gve_rx_desc *rx_desc, len = be16_to_cpu(rx_desc->len) - GVE_RX_PAD; page_info = &rx->data.page_info[idx]; + dma_sync_single_for_cpu(&priv->pdev->dev, rx->data.qpl->page_buses[idx], + PAGE_SIZE, DMA_FROM_DEVICE); /* gvnic can only receive into registered segments. If the buffer * can't be recycled, our only choice is to copy the data out of diff --git a/drivers/net/ethernet/google/gve/gve_tx.c b/drivers/net/ethernet/google/gve/gve_tx.c index 778b87b5a06c..f4889431f9b7 100644 --- a/drivers/net/ethernet/google/gve/gve_tx.c +++ b/drivers/net/ethernet/google/gve/gve_tx.c @@ -390,7 +390,22 @@ static void gve_tx_fill_seg_desc(union gve_tx_desc *seg_desc, seg_desc->seg.seg_addr = cpu_to_be64(addr); } -static int gve_tx_add_skb(struct gve_tx_ring *tx, struct sk_buff *skb) +static void gve_dma_sync_for_device(struct device *dev, dma_addr_t *page_buses, + u64 iov_offset, u64 iov_len) +{ + u64 last_page = (iov_offset + iov_len - 1) / PAGE_SIZE; + u64 first_page = iov_offset / PAGE_SIZE; + dma_addr_t dma; + u64 page; + + for (page = first_page; page <= last_page; page++) { + dma = page_buses[page]; + dma_sync_single_for_device(dev, dma, PAGE_SIZE, DMA_TO_DEVICE); + } +} + +static int gve_tx_add_skb(struct gve_tx_ring *tx, struct sk_buff *skb, + struct device *dev) { int pad_bytes, hlen, hdr_nfrags, payload_nfrags, l4_hdr_offset; union gve_tx_desc *pkt_desc, *seg_desc; @@ -432,6 +447,9 @@ static int gve_tx_add_skb(struct gve_tx_ring *tx, struct sk_buff *skb) skb_copy_bits(skb, 0, tx->tx_fifo.base + info->iov[hdr_nfrags - 1].iov_offset, hlen); + gve_dma_sync_for_device(dev, tx->tx_fifo.qpl->page_buses, + info->iov[hdr_nfrags - 1].iov_offset, + info->iov[hdr_nfrags - 1].iov_len); copy_offset = hlen; for (i = payload_iov; i < payload_nfrags + payload_iov; i++) { @@ -445,6 +463,9 @@ static int gve_tx_add_skb(struct gve_tx_ring *tx, struct sk_buff *skb) skb_copy_bits(skb, copy_offset, tx->tx_fifo.base + info->iov[i].iov_offset, info->iov[i].iov_len); + gve_dma_sync_for_device(dev, tx->tx_fifo.qpl->page_buses, + info->iov[i].iov_offset, + info->iov[i].iov_len); copy_offset += info->iov[i].iov_len; } @@ -473,7 +494,7 @@ netdev_tx_t gve_tx(struct sk_buff *skb, struct net_device *dev) gve_tx_put_doorbell(priv, tx->q_resources, tx->req); return NETDEV_TX_BUSY; } - nsegs = gve_tx_add_skb(tx, skb); + nsegs = gve_tx_add_skb(tx, skb, &priv->pdev->dev); netdev_tx_sent_queue(tx->netdev_txq, skb->len); skb_tx_timestamp(skb); diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c index c84167447abe..4606a7e4a6d1 100644 --- a/drivers/net/ethernet/hisilicon/hip04_eth.c +++ b/drivers/net/ethernet/hisilicon/hip04_eth.c @@ -237,6 +237,7 @@ struct hip04_priv { dma_addr_t rx_phys[RX_DESC_NUM]; unsigned int rx_head; unsigned int rx_buf_size; + unsigned int rx_cnt_remaining; struct device_node *phy_node; struct phy_device *phy; @@ -575,7 +576,6 @@ static int hip04_rx_poll(struct napi_struct *napi, int budget) struct hip04_priv *priv = container_of(napi, struct hip04_priv, napi); struct net_device *ndev = priv->ndev; struct net_device_stats *stats = &ndev->stats; - unsigned int cnt = hip04_recv_cnt(priv); struct rx_desc *desc; struct sk_buff *skb; unsigned char *buf; @@ -588,8 +588,8 @@ static int hip04_rx_poll(struct napi_struct *napi, int budget) /* clean up tx descriptors */ tx_remaining = hip04_tx_reclaim(ndev, false); - - while (cnt && !last) { + priv->rx_cnt_remaining += hip04_recv_cnt(priv); + while (priv->rx_cnt_remaining && !last) { buf = priv->rx_buf[priv->rx_head]; skb = build_skb(buf, priv->rx_buf_size); if (unlikely(!skb)) { @@ -635,11 +635,13 @@ refill: hip04_set_recv_desc(priv, phys); priv->rx_head = RX_NEXT(priv->rx_head); - if (rx >= budget) + if (rx >= budget) { + --priv->rx_cnt_remaining; goto done; + } - if (--cnt == 0) - cnt = hip04_recv_cnt(priv); + if (--priv->rx_cnt_remaining == 0) + priv->rx_cnt_remaining += hip04_recv_cnt(priv); } if (!(priv->reg_inten & RCV_INT)) { @@ -724,6 +726,7 @@ static int hip04_mac_open(struct net_device *ndev) int i; priv->rx_head = 0; + priv->rx_cnt_remaining = 0; priv->tx_head = 0; priv->tx_tail = 0; hip04_reset_ppe(priv); @@ -1038,7 +1041,6 @@ static int hip04_remove(struct platform_device *pdev) hip04_free_ring(ndev, d); unregister_netdev(ndev); - free_irq(ndev->irq, ndev); of_node_put(priv->phy_node); cancel_work_sync(&priv->tx_timeout_task); free_netdev(ndev); diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c b/drivers/net/ethernet/hisilicon/hns/hnae.c index 6d0457eb4faa..08339278c722 100644 --- a/drivers/net/ethernet/hisilicon/hns/hnae.c +++ b/drivers/net/ethernet/hisilicon/hns/hnae.c @@ -199,7 +199,6 @@ hnae_init_ring(struct hnae_queue *q, struct hnae_ring *ring, int flags) ring->q = q; ring->flags = flags; - spin_lock_init(&ring->lock); ring->coal_param = q->handle->coal_param; assert(!ring->desc && !ring->desc_cb && !ring->desc_dma_addr); diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.h b/drivers/net/ethernet/hisilicon/hns/hnae.h index e9c67c06bfd2..6ab9458302e1 100644 --- a/drivers/net/ethernet/hisilicon/hns/hnae.h +++ b/drivers/net/ethernet/hisilicon/hns/hnae.h @@ -274,9 +274,6 @@ struct hnae_ring { /* statistic */ struct ring_stats stats; - /* ring lock for poll one */ - spinlock_t lock; - dma_addr_t desc_dma_addr; u32 buf_size; /* size for hnae_desc->addr, preset by AE */ u16 desc_num; /* total number of desc */ diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c index a48396dd4ebb..14ab20491fd0 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c @@ -943,15 +943,6 @@ static int is_valid_clean_head(struct hnae_ring *ring, int h) return u > c ? (h > c && h <= u) : (h > c || h <= u); } -/* netif_tx_lock will turn down the performance, set only when necessary */ -#ifdef CONFIG_NET_POLL_CONTROLLER -#define NETIF_TX_LOCK(ring) spin_lock(&(ring)->lock) -#define NETIF_TX_UNLOCK(ring) spin_unlock(&(ring)->lock) -#else -#define NETIF_TX_LOCK(ring) -#define NETIF_TX_UNLOCK(ring) -#endif - /* reclaim all desc in one budget * return error or number of desc left */ @@ -965,21 +956,16 @@ static int hns_nic_tx_poll_one(struct hns_nic_ring_data *ring_data, int head; int bytes, pkts; - NETIF_TX_LOCK(ring); - head = readl_relaxed(ring->io_base + RCB_REG_HEAD); rmb(); /* make sure head is ready before touch any data */ - if (is_ring_empty(ring) || head == ring->next_to_clean) { - NETIF_TX_UNLOCK(ring); + if (is_ring_empty(ring) || head == ring->next_to_clean) return 0; /* no data to poll */ - } if (!is_valid_clean_head(ring, head)) { netdev_err(ndev, "wrong head (%d, %d-%d)\n", head, ring->next_to_use, ring->next_to_clean); ring->stats.io_err_cnt++; - NETIF_TX_UNLOCK(ring); return -EIO; } @@ -994,8 +980,6 @@ static int hns_nic_tx_poll_one(struct hns_nic_ring_data *ring_data, ring->stats.tx_pkts += pkts; ring->stats.tx_bytes += bytes; - NETIF_TX_UNLOCK(ring); - dev_queue = netdev_get_tx_queue(ndev, ring_data->queue_index); netdev_tx_completed_queue(dev_queue, pkts, bytes); @@ -1055,16 +1039,12 @@ static void hns_nic_tx_clr_all_bufs(struct hns_nic_ring_data *ring_data) int head; int bytes, pkts; - NETIF_TX_LOCK(ring); - head = ring->next_to_use; /* ntu :soft setted ring position*/ bytes = 0; pkts = 0; while (head != ring->next_to_clean) hns_nic_reclaim_one_desc(ring, &bytes, &pkts); - NETIF_TX_UNLOCK(ring); - dev_queue = netdev_get_tx_queue(ndev, ring_data->queue_index); netdev_tx_reset_queue(dev_queue); } diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index c4b7bf851a28..a0998937727d 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0+ +/* SPDX-License-Identifier: GPL-2.0+ */ // Copyright (c) 2016-2017 Hisilicon Limited. #ifndef __HNAE3_H @@ -32,6 +32,8 @@ #define HNAE3_MOD_VERSION "1.0" +#define HNAE3_MIN_VECTOR_NUM 2 /* first one for misc, another for IO */ + /* Device IDs */ #define HNAE3_DEV_ID_GE 0xA220 #define HNAE3_DEV_ID_25GE 0xA221 diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h index 2110fa3b4479..5d468ed404a6 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0+ +/* SPDX-License-Identifier: GPL-2.0+ */ // Copyright (c) 2016-2017 Hisilicon Limited. #ifndef __HNS3_ENET_H diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index 680c3508876d..52c9d204fe3d 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -70,11 +70,6 @@ static const struct hns3_stats hns3_rxq_stats[] = { #define HNS3_NIC_LB_TEST_TX_CNT_ERR 2 #define HNS3_NIC_LB_TEST_RX_CNT_ERR 3 -struct hns3_link_mode_mapping { - u32 hns3_link_mode; - u32 ethtool_link_mode; -}; - static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en) { struct hnae3_handle *h = hns3_get_handle(ndev); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h index 4821fe08b5e4..1426eb5ddf3d 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0+ +/* SPDX-License-Identifier: GPL-2.0+ */ // Copyright (c) 2016-2017 Hisilicon Limited. #ifndef __HCLGE_CMD_H diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c index c063301d6060..a1790af73096 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c @@ -124,7 +124,7 @@ static int hclge_ets_validate(struct hclge_dev *hdev, struct ieee_ets *ets, if (ret) return ret; - for (i = 0; i < HNAE3_MAX_TC; i++) { + for (i = 0; i < hdev->tc_max; i++) { switch (ets->tc_tsa[i]) { case IEEE_8021QAZ_TSA_STRICT: if (hdev->tm_info.tc_info[i].tc_sch_mode != @@ -318,6 +318,7 @@ static int hclge_ieee_setpfc(struct hnae3_handle *h, struct ieee_pfc *pfc) struct net_device *netdev = h->kinfo.netdev; struct hclge_dev *hdev = vport->back; u8 i, j, pfc_map, *prio_tc; + int ret; if (!(hdev->dcbx_cap & DCB_CAP_DCBX_VER_IEEE) || hdev->flag & HCLGE_FLAG_MQPRIO_ENABLE) @@ -347,7 +348,21 @@ static int hclge_ieee_setpfc(struct hnae3_handle *h, struct ieee_pfc *pfc) hclge_tm_pfc_info_update(hdev); - return hclge_pause_setup_hw(hdev, false); + ret = hclge_pause_setup_hw(hdev, false); + if (ret) + return ret; + + ret = hclge_notify_client(hdev, HNAE3_DOWN_CLIENT); + if (ret) + return ret; + + ret = hclge_buffer_alloc(hdev); + if (ret) { + hclge_notify_client(hdev, HNAE3_UP_CLIENT); + return ret; + } + + return hclge_notify_client(hdev, HNAE3_UP_CLIENT); } /* DCBX configuration */ diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.h index 278f21e02736..b04702e65689 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0+ +/* SPDX-License-Identifier: GPL-2.0+ */ // Copyright (c) 2016-2017 Hisilicon Limited. #ifndef __HCLGE_DCB_H__ diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index fd7f94372ff0..c052bb33b3d3 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -906,6 +906,9 @@ static int hclge_query_pf_resource(struct hclge_dev *hdev) hnae3_get_field(__le16_to_cpu(req->pf_intr_vector_number), HCLGE_PF_VEC_NUM_M, HCLGE_PF_VEC_NUM_S); + /* nic's msix numbers is always equals to the roce's. */ + hdev->num_nic_msi = hdev->num_roce_msi; + /* PF should have NIC vectors and Roce vectors, * NIC vectors are queued before Roce vectors. */ @@ -915,6 +918,15 @@ static int hclge_query_pf_resource(struct hclge_dev *hdev) hdev->num_msi = hnae3_get_field(__le16_to_cpu(req->pf_intr_vector_number), HCLGE_PF_VEC_NUM_M, HCLGE_PF_VEC_NUM_S); + + hdev->num_nic_msi = hdev->num_msi; + } + + if (hdev->num_nic_msi < HNAE3_MIN_VECTOR_NUM) { + dev_err(&hdev->pdev->dev, + "Just %u msi resources, not enough for pf(min:2).\n", + hdev->num_nic_msi); + return -EINVAL; } return 0; @@ -1507,6 +1519,10 @@ static int hclge_assign_tqp(struct hclge_vport *vport, u16 num_tqps) kinfo->rss_size = min_t(u16, hdev->rss_size_max, vport->alloc_tqps / hdev->tm_info.num_tc); + /* ensure one to one mapping between irq and queue at default */ + kinfo->rss_size = min_t(u16, kinfo->rss_size, + (hdev->num_nic_msi - 1) / hdev->tm_info.num_tc); + return 0; } @@ -2285,7 +2301,8 @@ static int hclge_init_msi(struct hclge_dev *hdev) int vectors; int i; - vectors = pci_alloc_irq_vectors(pdev, 1, hdev->num_msi, + vectors = pci_alloc_irq_vectors(pdev, HNAE3_MIN_VECTOR_NUM, + hdev->num_msi, PCI_IRQ_MSI | PCI_IRQ_MSIX); if (vectors < 0) { dev_err(&pdev->dev, @@ -2300,6 +2317,7 @@ static int hclge_init_msi(struct hclge_dev *hdev) hdev->num_msi = vectors; hdev->num_msi_left = vectors; + hdev->base_msi_vector = pdev->irq; hdev->roce_base_vector = hdev->base_msi_vector + hdev->roce_base_msix_offset; @@ -3569,12 +3587,28 @@ static int hclge_set_rst_done(struct hclge_dev *hdev) { struct hclge_pf_rst_done_cmd *req; struct hclge_desc desc; + int ret; req = (struct hclge_pf_rst_done_cmd *)desc.data; hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_PF_RST_DONE, false); req->pf_rst_done |= HCLGE_PF_RESET_DONE_BIT; - return hclge_cmd_send(&hdev->hw, &desc, 1); + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + /* To be compatible with the old firmware, which does not support + * command HCLGE_OPC_PF_RST_DONE, just print a warning and + * return success + */ + if (ret == -EOPNOTSUPP) { + dev_warn(&hdev->pdev->dev, + "current firmware does not support command(0x%x)!\n", + HCLGE_OPC_PF_RST_DONE); + return 0; + } else if (ret) { + dev_err(&hdev->pdev->dev, "assert PF reset done fail %d!\n", + ret); + } + + return ret; } static int hclge_reset_prepare_up(struct hclge_dev *hdev) @@ -3903,6 +3937,7 @@ static int hclge_get_vector(struct hnae3_handle *handle, u16 vector_num, int alloc = 0; int i, j; + vector_num = min_t(u16, hdev->num_nic_msi - 1, vector_num); vector_num = min(hdev->num_msi_left, vector_num); for (j = 0; j < vector_num; j++) { @@ -6228,11 +6263,23 @@ static int hclge_config_switch_param(struct hclge_dev *hdev, int vfid, func_id = hclge_get_port_number(HOST_PORT, 0, vfid, 0); req = (struct hclge_mac_vlan_switch_cmd *)desc.data; + + /* read current config parameter */ hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_MAC_VLAN_SWITCH_PARAM, - false); + true); req->roce_sel = HCLGE_MAC_VLAN_NIC_SEL; req->func_id = cpu_to_le32(func_id); - req->switch_param = switch_param; + + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + if (ret) { + dev_err(&hdev->pdev->dev, + "read mac vlan switch parameter fail, ret = %d\n", ret); + return ret; + } + + /* modify and write new config parameter */ + hclge_cmd_reuse_desc(&desc, false); + req->switch_param = (req->switch_param & param_mask) | switch_param; req->param_mask = param_mask; ret = hclge_cmd_send(&hdev->hw, &desc, 1); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h index 3e9574a9e22d..615cde1cbf0b 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0+ +/* SPDX-License-Identifier: GPL-2.0+ */ // Copyright (c) 2016-2017 Hisilicon Limited. #ifndef __HCLGE_MAIN_H @@ -166,7 +166,7 @@ enum HLCGE_PORT_TYPE { #define HCLGE_GLOBAL_RESET_BIT 0 #define HCLGE_CORE_RESET_BIT 1 #define HCLGE_IMP_RESET_BIT 2 -#define HCLGE_RESET_INT_M GENMASK(2, 0) +#define HCLGE_RESET_INT_M GENMASK(7, 5) #define HCLGE_FUN_RST_ING 0x20C00 #define HCLGE_FUN_RST_ING_B 0 @@ -763,6 +763,7 @@ struct hclge_dev { u32 base_msi_vector; u16 *vector_status; int *vector_irq; + u16 num_nic_msi; /* Num of nic vectors for this PF */ u16 num_roce_msi; /* Num of roce vectors for this PF */ int roce_base_vector; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.h index ef095d9c566f..dd9a1218a7b0 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0+ +/* SPDX-License-Identifier: GPL-2.0+ */ // Copyright (c) 2016-2017 Hisilicon Limited. #ifndef __HCLGE_MDIO_H diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c index 9f0e35f27789..62399cc1c5a6 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c @@ -537,9 +537,16 @@ static void hclge_tm_vport_tc_info_update(struct hclge_vport *vport) kinfo->rss_size = kinfo->req_rss_size; } else if (kinfo->rss_size > max_rss_size || (!kinfo->req_rss_size && kinfo->rss_size < max_rss_size)) { + /* if user not set rss, the rss_size should compare with the + * valid msi numbers to ensure one to one map between tqp and + * irq as default. + */ + if (!kinfo->req_rss_size) + max_rss_size = min_t(u16, max_rss_size, + (hdev->num_nic_msi - 1) / + kinfo->num_tc); + /* Set to the maximum specification value (max_rss_size). */ - dev_info(&hdev->pdev->dev, "rss changes from %d to %d\n", - kinfo->rss_size, max_rss_size); kinfo->rss_size = max_rss_size; } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h index 818610988d34..260f22d19d81 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0+ +/* SPDX-License-Identifier: GPL-2.0+ */ // Copyright (c) 2016-2017 Hisilicon Limited. #ifndef __HCLGE_TM_H diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index e3090b3dab1d..7d7e712691b9 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -411,6 +411,13 @@ static int hclgevf_knic_setup(struct hclgevf_dev *hdev) kinfo->tqp[i] = &hdev->htqp[i].q; } + /* after init the max rss_size and tqps, adjust the default tqp numbers + * and rss size with the actual vector numbers + */ + kinfo->num_tqps = min_t(u16, hdev->num_nic_msix - 1, kinfo->num_tqps); + kinfo->rss_size = min_t(u16, kinfo->num_tqps / kinfo->num_tc, + kinfo->rss_size); + return 0; } @@ -502,6 +509,7 @@ static int hclgevf_get_vector(struct hnae3_handle *handle, u16 vector_num, int alloc = 0; int i, j; + vector_num = min_t(u16, hdev->num_nic_msix - 1, vector_num); vector_num = min(hdev->num_msi_left, vector_num); for (j = 0; j < vector_num; j++) { @@ -2246,13 +2254,14 @@ static int hclgevf_init_msi(struct hclgevf_dev *hdev) int vectors; int i; - if (hnae3_get_bit(hdev->ae_dev->flag, HNAE3_DEV_SUPPORT_ROCE_B)) + if (hnae3_dev_roce_supported(hdev)) vectors = pci_alloc_irq_vectors(pdev, hdev->roce_base_msix_offset + 1, hdev->num_msi, PCI_IRQ_MSIX); else - vectors = pci_alloc_irq_vectors(pdev, 1, hdev->num_msi, + vectors = pci_alloc_irq_vectors(pdev, HNAE3_MIN_VECTOR_NUM, + hdev->num_msi, PCI_IRQ_MSI | PCI_IRQ_MSIX); if (vectors < 0) { @@ -2268,6 +2277,7 @@ static int hclgevf_init_msi(struct hclgevf_dev *hdev) hdev->num_msi = vectors; hdev->num_msi_left = vectors; + hdev->base_msi_vector = pdev->irq; hdev->roce_base_vector = pdev->irq + hdev->roce_base_msix_offset; @@ -2533,7 +2543,7 @@ static int hclgevf_query_vf_resource(struct hclgevf_dev *hdev) req = (struct hclgevf_query_res_cmd *)desc.data; - if (hnae3_get_bit(hdev->ae_dev->flag, HNAE3_DEV_SUPPORT_ROCE_B)) { + if (hnae3_dev_roce_supported(hdev)) { hdev->roce_base_msix_offset = hnae3_get_field(__le16_to_cpu(req->msixcap_localid_ba_rocee), HCLGEVF_MSIX_OFT_ROCEE_M, @@ -2542,6 +2552,9 @@ static int hclgevf_query_vf_resource(struct hclgevf_dev *hdev) hnae3_get_field(__le16_to_cpu(req->vf_intr_vector_number), HCLGEVF_VEC_NUM_M, HCLGEVF_VEC_NUM_S); + /* nic's msix numbers is always equals to the roce's. */ + hdev->num_nic_msix = hdev->num_roce_msix; + /* VF should have NIC vectors and Roce vectors, NIC vectors * are queued before Roce vectors. The offset is fixed to 64. */ @@ -2551,6 +2564,15 @@ static int hclgevf_query_vf_resource(struct hclgevf_dev *hdev) hdev->num_msi = hnae3_get_field(__le16_to_cpu(req->vf_intr_vector_number), HCLGEVF_VEC_NUM_M, HCLGEVF_VEC_NUM_S); + + hdev->num_nic_msix = hdev->num_msi; + } + + if (hdev->num_nic_msix < HNAE3_MIN_VECTOR_NUM) { + dev_err(&hdev->pdev->dev, + "Just %u msi resources, not enough for vf(min:2).\n", + hdev->num_nic_msix); + return -EINVAL; } return 0; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h index bdde3afc286b..2b8d6bc6d224 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h @@ -270,6 +270,7 @@ struct hclgevf_dev { u16 num_msi; u16 num_msi_left; u16 num_msi_used; + u16 num_nic_msix; /* Num of nic vectors for this VF */ u16 num_roce_msix; /* Num of roce vectors for this VF */ u16 roce_base_msix_offset; int roce_base_vector; diff --git a/drivers/net/ethernet/i825xx/lasi_82596.c b/drivers/net/ethernet/i825xx/lasi_82596.c index 211c5f74b4c8..aec7e98bcc85 100644 --- a/drivers/net/ethernet/i825xx/lasi_82596.c +++ b/drivers/net/ethernet/i825xx/lasi_82596.c @@ -96,6 +96,8 @@ #define OPT_SWAP_PORT 0x0001 /* Need to wordswp on the MPU port */ +#define LIB82596_DMA_ATTR DMA_ATTR_NON_CONSISTENT + #define DMA_WBACK(ndev, addr, len) \ do { dma_cache_sync((ndev)->dev.parent, (void *)addr, len, DMA_TO_DEVICE); } while (0) @@ -200,7 +202,7 @@ static int __exit lan_remove_chip(struct parisc_device *pdev) unregister_netdev (dev); dma_free_attrs(&pdev->dev, sizeof(struct i596_private), lp->dma, - lp->dma_addr, DMA_ATTR_NON_CONSISTENT); + lp->dma_addr, LIB82596_DMA_ATTR); free_netdev (dev); return 0; } diff --git a/drivers/net/ethernet/i825xx/lib82596.c b/drivers/net/ethernet/i825xx/lib82596.c index 1274ad24d6af..f9742af7f142 100644 --- a/drivers/net/ethernet/i825xx/lib82596.c +++ b/drivers/net/ethernet/i825xx/lib82596.c @@ -1065,7 +1065,7 @@ static int i82596_probe(struct net_device *dev) dma = dma_alloc_attrs(dev->dev.parent, sizeof(struct i596_dma), &lp->dma_addr, GFP_KERNEL, - DMA_ATTR_NON_CONSISTENT); + LIB82596_DMA_ATTR); if (!dma) { printk(KERN_ERR "%s: Couldn't get shared memory\n", __FILE__); return -ENOMEM; @@ -1087,7 +1087,7 @@ static int i82596_probe(struct net_device *dev) i = register_netdev(dev); if (i) { dma_free_attrs(dev->dev.parent, sizeof(struct i596_dma), - dma, lp->dma_addr, DMA_ATTR_NON_CONSISTENT); + dma, lp->dma_addr, LIB82596_DMA_ATTR); return i; } diff --git a/drivers/net/ethernet/i825xx/sni_82596.c b/drivers/net/ethernet/i825xx/sni_82596.c index 6eb6c2ff7f09..6436a98c5953 100644 --- a/drivers/net/ethernet/i825xx/sni_82596.c +++ b/drivers/net/ethernet/i825xx/sni_82596.c @@ -24,6 +24,8 @@ static const char sni_82596_string[] = "snirm_82596"; +#define LIB82596_DMA_ATTR 0 + #define DMA_WBACK(priv, addr, len) do { } while (0) #define DMA_INV(priv, addr, len) do { } while (0) #define DMA_WBACK_INV(priv, addr, len) do { } while (0) @@ -152,7 +154,7 @@ static int sni_82596_driver_remove(struct platform_device *pdev) unregister_netdev(dev); dma_free_attrs(dev->dev.parent, sizeof(struct i596_private), lp->dma, - lp->dma_addr, DMA_ATTR_NON_CONSISTENT); + lp->dma_addr, LIB82596_DMA_ATTR); iounmap(lp->ca); iounmap(lp->mpu_port); free_netdev (dev); diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 2b073a3c0b84..0686ded7ad3a 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -2881,7 +2881,10 @@ static int enable_scrq_irq(struct ibmvnic_adapter *adapter, u64 val = (0xff000000) | scrq->hw_irq; rc = plpar_hcall_norets(H_EOI, val); - if (rc) + /* H_EOI would fail with rc = H_FUNCTION when running + * in XIVE mode which is expected, but not an error. + */ + if (rc && (rc != H_FUNCTION)) dev_err(dev, "H_EOI FAILED irq 0x%llx. rc=%ld\n", val, rc); } diff --git a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c index 71d3d8854d8f..be56e631d693 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c +++ b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c @@ -607,6 +607,7 @@ static int e1000_set_ringparam(struct net_device *netdev, for (i = 0; i < adapter->num_rx_queues; i++) rxdr[i].count = rxdr->count; + err = 0; if (netif_running(adapter->netdev)) { /* Try to get new resources before deleting old */ err = e1000_setup_all_rx_resources(adapter); @@ -627,14 +628,13 @@ static int e1000_set_ringparam(struct net_device *netdev, adapter->rx_ring = rxdr; adapter->tx_ring = txdr; err = e1000_up(adapter); - if (err) - goto err_setup; } kfree(tx_old); kfree(rx_old); clear_bit(__E1000_RESETTING, &adapter->flags); - return 0; + return err; + err_setup_tx: e1000_free_all_rx_resources(adapter); err_setup_rx: @@ -646,7 +646,6 @@ err_alloc_rx: err_alloc_tx: if (netif_running(adapter->netdev)) e1000_up(adapter); -err_setup: clear_bit(__E1000_RESETTING, &adapter->flags); return err; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h index 530613f31527..69a2daaca5c5 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h @@ -20,6 +20,8 @@ /* API version 1.7 implements additional link and PHY-specific APIs */ #define I40E_MINOR_VER_GET_LINK_INFO_XL710 0x0007 +/* API version 1.9 for X722 implements additional link and PHY-specific APIs */ +#define I40E_MINOR_VER_GET_LINK_INFO_X722 0x0009 /* API version 1.6 for X722 devices adds ability to stop FW LLDP agent */ #define I40E_MINOR_VER_FW_LLDP_STOPPABLE_X722 0x0006 diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c index d37c6e0e5f08..7560f06768e0 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_common.c +++ b/drivers/net/ethernet/intel/i40e/i40e_common.c @@ -1876,7 +1876,8 @@ i40e_status i40e_aq_get_link_info(struct i40e_hw *hw, hw->aq.fw_min_ver < 40)) && hw_link_info->phy_type == 0xE) hw_link_info->phy_type = I40E_PHY_TYPE_10GBASE_SFPP_CU; - if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) { + if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE && + hw->mac.type != I40E_MAC_X722) { __le32 tmp; memcpy(&tmp, resp->link_type, sizeof(tmp)); diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c index b1c3227ae4ab..d07e1a890428 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c +++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c @@ -157,11 +157,6 @@ static int i40e_xsk_umem_disable(struct i40e_vsi *vsi, u16 qid) err = i40e_queue_pair_enable(vsi, qid); if (err) return err; - - /* Kick start the NAPI context so that receiving will start */ - err = i40e_xsk_wakeup(vsi->netdev, qid, XDP_WAKEUP_RX); - if (err) - return err; } return 0; @@ -694,8 +689,6 @@ static bool i40e_xmit_zc(struct i40e_ring *xdp_ring, unsigned int budget) i40e_xdp_ring_update_tail(xdp_ring); xsk_umem_consume_tx_done(xdp_ring->xsk_umem); - if (xsk_umem_uses_need_wakeup(xdp_ring->xsk_umem)) - xsk_clear_tx_need_wakeup(xdp_ring->xsk_umem); } return !!budget && work_done; @@ -774,12 +767,8 @@ bool i40e_clean_xdp_tx_irq(struct i40e_vsi *vsi, i40e_update_tx_stats(tx_ring, completed_frames, total_bytes); out_xmit: - if (xsk_umem_uses_need_wakeup(tx_ring->xsk_umem)) { - if (tx_ring->next_to_clean == tx_ring->next_to_use) - xsk_set_tx_need_wakeup(tx_ring->xsk_umem); - else - xsk_clear_tx_need_wakeup(tx_ring->xsk_umem); - } + if (xsk_umem_uses_need_wakeup(tx_ring->xsk_umem)) + xsk_set_tx_need_wakeup(tx_ring->xsk_umem); xmit_done = i40e_xmit_zc(tx_ring, budget); diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index 8f310e520b06..821987da5698 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -314,7 +314,7 @@ iavf_map_vector_to_rxq(struct iavf_adapter *adapter, int v_idx, int r_idx) q_vector->rx.target_itr = ITR_TO_REG(rx_ring->itr_setting); q_vector->ring_mask |= BIT(r_idx); wr32(hw, IAVF_VFINT_ITRN1(IAVF_RX_ITR, q_vector->reg_idx), - q_vector->rx.current_itr); + q_vector->rx.current_itr >> 1); q_vector->rx.current_itr = q_vector->rx.target_itr; } @@ -340,7 +340,7 @@ iavf_map_vector_to_txq(struct iavf_adapter *adapter, int v_idx, int t_idx) q_vector->tx.target_itr = ITR_TO_REG(tx_ring->itr_setting); q_vector->num_ringpairs++; wr32(hw, IAVF_VFINT_ITRN1(IAVF_TX_ITR, q_vector->reg_idx), - q_vector->tx.target_itr); + q_vector->tx.target_itr >> 1); q_vector->tx.current_itr = q_vector->tx.target_itr; } diff --git a/drivers/net/ethernet/intel/ice/ice_sched.c b/drivers/net/ethernet/intel/ice/ice_sched.c index fc624b73d05d..2fde9653a608 100644 --- a/drivers/net/ethernet/intel/ice/ice_sched.c +++ b/drivers/net/ethernet/intel/ice/ice_sched.c @@ -1036,7 +1036,7 @@ enum ice_status ice_sched_query_res_alloc(struct ice_hw *hw) struct ice_aqc_query_txsched_res_resp *buf; enum ice_status status = 0; __le16 max_sibl; - u8 i; + u16 i; if (hw->layer_info) return status; diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c index 3ec2ce0725d5..8a6ef3514129 100644 --- a/drivers/net/ethernet/intel/igb/e1000_82575.c +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c @@ -466,7 +466,7 @@ static s32 igb_init_mac_params_82575(struct e1000_hw *hw) ? igb_setup_copper_link_82575 : igb_setup_serdes_link_82575; - if (mac->type == e1000_82580) { + if (mac->type == e1000_82580 || mac->type == e1000_i350) { switch (hw->device_id) { /* feature not supported on these id's */ case E1000_DEV_ID_DH89XXCC_SGMII: diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 105b0624081a..ed7e667d7eb2 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -753,7 +753,8 @@ u32 igb_rd32(struct e1000_hw *hw, u32 reg) struct net_device *netdev = igb->netdev; hw->hw_addr = NULL; netdev_err(netdev, "PCIe link lost\n"); - WARN(1, "igb: Failed to read reg 0x%x!\n", reg); + WARN(pci_device_is_present(igb->pdev), + "igb: Failed to read reg 0x%x!\n", reg); } return value; @@ -2064,7 +2065,8 @@ static void igb_check_swap_media(struct igb_adapter *adapter) if ((hw->phy.media_type == e1000_media_type_copper) && (!(connsw & E1000_CONNSW_AUTOSENSE_EN))) { swap_now = true; - } else if (!(connsw & E1000_CONNSW_SERDESD)) { + } else if ((hw->phy.media_type != e1000_media_type_copper) && + !(connsw & E1000_CONNSW_SERDESD)) { /* copper signal takes time to appear */ if (adapter->copper_tries < 4) { adapter->copper_tries++; @@ -2370,7 +2372,7 @@ void igb_reset(struct igb_adapter *adapter) adapter->ei.get_invariants(hw); adapter->flags &= ~IGB_FLAG_MEDIA_RESET; } - if ((mac->type == e1000_82575) && + if ((mac->type == e1000_82575 || mac->type == e1000_i350) && (adapter->flags & IGB_FLAG_MAS_ENABLE)) { igb_enable_mas(adapter); } @@ -5673,8 +5675,8 @@ static void igb_tx_ctxtdesc(struct igb_ring *tx_ring, * should have been handled by the upper layers. */ if (tx_ring->launchtime_enable) { - ts = ns_to_timespec64(first->skb->tstamp); - first->skb->tstamp = 0; + ts = ktime_to_timespec64(first->skb->tstamp); + first->skb->tstamp = ktime_set(0, 0); context_desc->seqnum_seed = cpu_to_le32(ts.tv_nsec / 32); } else { context_desc->seqnum_seed = 0; diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c index fd3071f55bd3..c39e921757ba 100644 --- a/drivers/net/ethernet/intel/igb/igb_ptp.c +++ b/drivers/net/ethernet/intel/igb/igb_ptp.c @@ -521,6 +521,19 @@ static int igb_ptp_feature_enable_i210(struct ptp_clock_info *ptp, switch (rq->type) { case PTP_CLK_REQ_EXTTS: + /* Reject requests with unsupported flags */ + if (rq->extts.flags & ~(PTP_ENABLE_FEATURE | + PTP_RISING_EDGE | + PTP_FALLING_EDGE | + PTP_STRICT_FLAGS)) + return -EOPNOTSUPP; + + /* Reject requests failing to enable both edges. */ + if ((rq->extts.flags & PTP_STRICT_FLAGS) && + (rq->extts.flags & PTP_ENABLE_FEATURE) && + (rq->extts.flags & PTP_EXTTS_EDGES) != PTP_EXTTS_EDGES) + return -EOPNOTSUPP; + if (on) { pin = ptp_find_pin(igb->ptp_clock, PTP_PF_EXTTS, rq->extts.index); @@ -551,6 +564,10 @@ static int igb_ptp_feature_enable_i210(struct ptp_clock_info *ptp, return 0; case PTP_CLK_REQ_PEROUT: + /* Reject requests with unsupported flags */ + if (rq->perout.flags) + return -EOPNOTSUPP; + if (on) { pin = ptp_find_pin(igb->ptp_clock, PTP_PF_PEROUT, rq->perout.index); diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 63b62d74f961..24888676f69b 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -824,8 +824,8 @@ static void igc_tx_ctxtdesc(struct igc_ring *tx_ring, * should have been handled by the upper layers. */ if (tx_ring->launchtime_enable) { - ts = ns_to_timespec64(first->skb->tstamp); - first->skb->tstamp = 0; + ts = ktime_to_timespec64(first->skb->tstamp); + first->skb->tstamp = ktime_set(0, 0); context_desc->launch_time = cpu_to_le32(ts.tv_nsec / 32); } else { context_desc->launch_time = 0; @@ -4047,7 +4047,8 @@ u32 igc_rd32(struct igc_hw *hw, u32 reg) hw->hw_addr = NULL; netif_device_detach(netdev); netdev_err(netdev, "PCIe link lost, device now detached\n"); - WARN(1, "igc: Failed to read reg 0x%x!\n", reg); + WARN(pci_device_is_present(igc->pdev), + "igc: Failed to read reg 0x%x!\n", reg); } return value; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 1ce2397306b9..91b3780ddb04 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -4310,7 +4310,6 @@ static void ixgbe_set_rx_buffer_len(struct ixgbe_adapter *adapter) if (test_bit(__IXGBE_RX_FCOE, &rx_ring->state)) set_bit(__IXGBE_RX_3K_BUFFER, &rx_ring->state); - clear_bit(__IXGBE_RX_BUILD_SKB_ENABLED, &rx_ring->state); if (adapter->flags2 & IXGBE_FLAG2_RX_LEGACY) continue; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c index 100ac89b345d..d6feaacfbf89 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c @@ -622,8 +622,6 @@ static bool ixgbe_xmit_zc(struct ixgbe_ring *xdp_ring, unsigned int budget) if (tx_desc) { ixgbe_xdp_ring_update_tail(xdp_ring); xsk_umem_consume_tx_done(xdp_ring->xsk_umem); - if (xsk_umem_uses_need_wakeup(xdp_ring->xsk_umem)) - xsk_clear_tx_need_wakeup(xdp_ring->xsk_umem); } return !!budget && work_done; @@ -691,12 +689,8 @@ bool ixgbe_clean_xdp_tx_irq(struct ixgbe_q_vector *q_vector, if (xsk_frames) xsk_umem_complete_tx(umem, xsk_frames); - if (xsk_umem_uses_need_wakeup(tx_ring->xsk_umem)) { - if (tx_ring->next_to_clean == tx_ring->next_to_use) - xsk_set_tx_need_wakeup(tx_ring->xsk_umem); - else - xsk_clear_tx_need_wakeup(tx_ring->xsk_umem); - } + if (xsk_umem_uses_need_wakeup(tx_ring->xsk_umem)) + xsk_set_tx_need_wakeup(tx_ring->xsk_umem); return ixgbe_xmit_zc(tx_ring, q_vector->tx.work_limit); } diff --git a/drivers/net/ethernet/marvell/mvneta_bm.h b/drivers/net/ethernet/marvell/mvneta_bm.h index c8425d35c049..e47783ce77e0 100644 --- a/drivers/net/ethernet/marvell/mvneta_bm.h +++ b/drivers/net/ethernet/marvell/mvneta_bm.h @@ -160,16 +160,23 @@ static inline u32 mvneta_bm_pool_get_bp(struct mvneta_bm *priv, (bm_pool->id << MVNETA_BM_POOL_ACCESS_OFFS)); } #else -void mvneta_bm_pool_destroy(struct mvneta_bm *priv, - struct mvneta_bm_pool *bm_pool, u8 port_map) {} -void mvneta_bm_bufs_free(struct mvneta_bm *priv, struct mvneta_bm_pool *bm_pool, - u8 port_map) {} -int mvneta_bm_construct(struct hwbm_pool *hwbm_pool, void *buf) { return 0; } -int mvneta_bm_pool_refill(struct mvneta_bm *priv, - struct mvneta_bm_pool *bm_pool) {return 0; } -struct mvneta_bm_pool *mvneta_bm_pool_use(struct mvneta_bm *priv, u8 pool_id, - enum mvneta_bm_type type, u8 port_id, - int pkt_size) { return NULL; } +static inline void mvneta_bm_pool_destroy(struct mvneta_bm *priv, + struct mvneta_bm_pool *bm_pool, + u8 port_map) {} +static inline void mvneta_bm_bufs_free(struct mvneta_bm *priv, + struct mvneta_bm_pool *bm_pool, + u8 port_map) {} +static inline int mvneta_bm_construct(struct hwbm_pool *hwbm_pool, void *buf) +{ return 0; } +static inline int mvneta_bm_pool_refill(struct mvneta_bm *priv, + struct mvneta_bm_pool *bm_pool) +{ return 0; } +static inline struct mvneta_bm_pool *mvneta_bm_pool_use(struct mvneta_bm *priv, + u8 pool_id, + enum mvneta_bm_type type, + u8 port_id, + int pkt_size) +{ return NULL; } static inline void mvneta_bm_pool_put_bp(struct mvneta_bm *priv, struct mvneta_bm_pool *bm_pool, @@ -178,7 +185,8 @@ static inline void mvneta_bm_pool_put_bp(struct mvneta_bm *priv, static inline u32 mvneta_bm_pool_get_bp(struct mvneta_bm *priv, struct mvneta_bm_pool *bm_pool) { return 0; } -struct mvneta_bm *mvneta_bm_get(struct device_node *node) { return NULL; } -void mvneta_bm_put(struct mvneta_bm *priv) {} +static inline struct mvneta_bm *mvneta_bm_get(struct device_node *node) +{ return NULL; } +static inline void mvneta_bm_put(struct mvneta_bm *priv) {} #endif /* CONFIG_MVNETA_BM */ #endif diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.h b/drivers/net/ethernet/marvell/octeontx2/af/cgx.h index 206dc5dc1df8..5c1f389e3320 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: GPL-2.0 - * Marvell OcteonTx2 CGX driver +/* SPDX-License-Identifier: GPL-2.0 */ +/* Marvell OcteonTx2 CGX driver * * Copyright (C) 2018 Marvell International Ltd. * diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx_fw_if.h b/drivers/net/ethernet/marvell/octeontx2/af/cgx_fw_if.h index fb3ba4968a9b..473d9751601f 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cgx_fw_if.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx_fw_if.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: GPL-2.0 - * Marvell OcteonTx2 CGX driver +/* SPDX-License-Identifier: GPL-2.0 */ +/* Marvell OcteonTx2 CGX driver * * Copyright (C) 2018 Marvell International Ltd. * diff --git a/drivers/net/ethernet/marvell/octeontx2/af/common.h b/drivers/net/ethernet/marvell/octeontx2/af/common.h index e332e82fc066..413c3f254cf8 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/common.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/common.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: GPL-2.0 - * Marvell OcteonTx2 RVU Admin Function driver +/* SPDX-License-Identifier: GPL-2.0 */ +/* Marvell OcteonTx2 RVU Admin Function driver * * Copyright (C) 2018 Marvell International Ltd. * diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h index 76a4575d18ff..75439fce0505 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: GPL-2.0 - * Marvell OcteonTx2 RVU Admin Function driver +/* SPDX-License-Identifier: GPL-2.0 */ +/* Marvell OcteonTx2 RVU Admin Function driver * * Copyright (C) 2018 Marvell International Ltd. * diff --git a/drivers/net/ethernet/marvell/octeontx2/af/npc.h b/drivers/net/ethernet/marvell/octeontx2/af/npc.h index 8d6d90fdfb73..5d4df315a0e1 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/npc.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/npc.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: GPL-2.0 - * Marvell OcteonTx2 RVU Admin Function driver +/* SPDX-License-Identifier: GPL-2.0 */ +/* Marvell OcteonTx2 RVU Admin Function driver * * Copyright (C) 2018 Marvell International Ltd. * diff --git a/drivers/net/ethernet/marvell/octeontx2/af/npc_profile.h b/drivers/net/ethernet/marvell/octeontx2/af/npc_profile.h index b2ce957605bb..da649f6a5573 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/npc_profile.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/npc_profile.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: GPL-2.0 - * Marvell OcteonTx2 RVU Admin Function driver +/* SPDX-License-Identifier: GPL-2.0 */ +/* Marvell OcteonTx2 RVU Admin Function driver * * Copyright (C) 2018 Marvell International Ltd. * diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h index c9d60b0554c0..5222e4228905 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: GPL-2.0 - * Marvell OcteonTx2 RVU Admin Function driver +/* SPDX-License-Identifier: GPL-2.0 */ +/* Marvell OcteonTx2 RVU Admin Function driver * * Copyright (C) 2018 Marvell International Ltd. * diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h index 09a8d61f3144..1ea92a2e7cfe 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: GPL-2.0 - * Marvell OcteonTx2 RVU Admin Function driver +/* SPDX-License-Identifier: GPL-2.0 */ +/* Marvell OcteonTx2 RVU Admin Function driver * * Copyright (C) 2018 Marvell International Ltd. * diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h index f920dac74e6c..84a39063a8bb 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: GPL-2.0 - * Marvell OcteonTx2 RVU Admin Function driver +/* SPDX-License-Identifier: GPL-2.0 */ +/* Marvell OcteonTx2 RVU Admin Function driver * * Copyright (C) 2018 Marvell International Ltd. * diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index c61069340f4f..703adb96429e 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -261,6 +261,7 @@ static void mtk_mac_config(struct phylink_config *config, unsigned int mode, ge_mode = 0; switch (state->interface) { case PHY_INTERFACE_MODE_MII: + case PHY_INTERFACE_MODE_GMII: ge_mode = 1; break; case PHY_INTERFACE_MODE_REVMII: diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index d8313e2ee600..a1202e53710c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -1745,6 +1745,7 @@ static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, err = mlx4_en_get_flow(dev, cmd, cmd->fs.location); break; case ETHTOOL_GRXCLSRLALL: + cmd->data = MAX_NUM_OF_FS_RULES; while ((!err || err == -ENOENT) && priority < cmd->rule_cnt) { err = mlx4_en_get_flow(dev, cmd, i); if (!err) @@ -1811,6 +1812,7 @@ static int mlx4_en_set_channels(struct net_device *dev, struct mlx4_en_dev *mdev = priv->mdev; struct mlx4_en_port_profile new_prof; struct mlx4_en_priv *tmp; + int total_tx_count; int port_up = 0; int xdp_count; int err = 0; @@ -1825,13 +1827,12 @@ static int mlx4_en_set_channels(struct net_device *dev, mutex_lock(&mdev->state_lock); xdp_count = priv->tx_ring_num[TX_XDP] ? channel->rx_count : 0; - if (channel->tx_count * priv->prof->num_up + xdp_count > - priv->mdev->profile.max_num_tx_rings_p_up * priv->prof->num_up) { + total_tx_count = channel->tx_count * priv->prof->num_up + xdp_count; + if (total_tx_count > MAX_TX_RINGS) { err = -EINVAL; en_err(priv, "Total number of TX and XDP rings (%d) exceeds the maximum supported (%d)\n", - channel->tx_count * priv->prof->num_up + xdp_count, - MAX_TX_RINGS); + total_tx_count, MAX_TX_RINGS); goto out; } diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 40ec5acf79c0..70fd246840e2 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -91,6 +91,7 @@ int mlx4_en_alloc_tx_queue_per_tc(struct net_device *dev, u8 tc) struct mlx4_en_dev *mdev = priv->mdev; struct mlx4_en_port_profile new_prof; struct mlx4_en_priv *tmp; + int total_count; int port_up = 0; int err = 0; @@ -104,6 +105,14 @@ int mlx4_en_alloc_tx_queue_per_tc(struct net_device *dev, u8 tc) MLX4_EN_NUM_UP_HIGH; new_prof.tx_ring_num[TX] = new_prof.num_tx_rings_p_up * new_prof.num_up; + total_count = new_prof.tx_ring_num[TX] + new_prof.tx_ring_num[TX_XDP]; + if (total_count > MAX_TX_RINGS) { + err = -EINVAL; + en_err(priv, + "Total number of TX and XDP rings (%d) exceeds the maximum supported (%d)\n", + total_count, MAX_TX_RINGS); + goto out; + } err = mlx4_en_try_alloc_resources(priv, tmp, &new_prof, true); if (err) goto out; diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index fce9b3a24347..d44ac666e730 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -514,8 +514,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz; /* * Subtract 1 from the limit because we need to allocate a - * spare CQE so the HCA HW can tell the difference between an - * empty CQ and a full CQ. + * spare CQE to enable resizing the CQ. */ dev->caps.max_cqes = dev_cap->max_cq_sz - 1; dev->caps.reserved_cqs = dev_cap->reserved_cqs; @@ -4011,6 +4010,7 @@ static int mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) goto err_params_unregister; devlink_params_publish(devlink); + devlink_reload_enable(devlink); pci_save_state(pdev); return 0; @@ -4122,6 +4122,8 @@ static void mlx4_remove_one(struct pci_dev *pdev) struct devlink *devlink = priv_to_devlink(priv); int active_vfs = 0; + devlink_reload_disable(devlink); + if (mlx4_is_slave(dev)) persist->interface_state |= MLX4_INTERFACE_STATE_NOWAIT; diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index 4356f3a58002..1187ef1375e2 100644 --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -471,12 +471,31 @@ void mlx4_init_quotas(struct mlx4_dev *dev) priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[pf]; } -static int get_max_gauranteed_vfs_counter(struct mlx4_dev *dev) +static int +mlx4_calc_res_counter_guaranteed(struct mlx4_dev *dev, + struct resource_allocator *res_alloc, + int vf) { - /* reduce the sink counter */ - return (dev->caps.max_counters - 1 - - (MLX4_PF_COUNTERS_PER_PORT * MLX4_MAX_PORTS)) - / MLX4_MAX_PORTS; + struct mlx4_active_ports actv_ports; + int ports, counters_guaranteed; + + /* For master, only allocate according to the number of phys ports */ + if (vf == mlx4_master_func_num(dev)) + return MLX4_PF_COUNTERS_PER_PORT * dev->caps.num_ports; + + /* calculate real number of ports for the VF */ + actv_ports = mlx4_get_active_ports(dev, vf); + ports = bitmap_weight(actv_ports.ports, dev->caps.num_ports); + counters_guaranteed = ports * MLX4_VF_COUNTERS_PER_PORT; + + /* If we do not have enough counters for this VF, do not + * allocate any for it. '-1' to reduce the sink counter. + */ + if ((res_alloc->res_reserved + counters_guaranteed) > + (dev->caps.max_counters - 1)) + return 0; + + return counters_guaranteed; } int mlx4_init_resource_tracker(struct mlx4_dev *dev) @@ -484,7 +503,6 @@ int mlx4_init_resource_tracker(struct mlx4_dev *dev) struct mlx4_priv *priv = mlx4_priv(dev); int i, j; int t; - int max_vfs_guarantee_counter = get_max_gauranteed_vfs_counter(dev); priv->mfunc.master.res_tracker.slave_list = kcalloc(dev->num_slaves, sizeof(struct slave_list), @@ -603,16 +621,8 @@ int mlx4_init_resource_tracker(struct mlx4_dev *dev) break; case RES_COUNTER: res_alloc->quota[t] = dev->caps.max_counters; - if (t == mlx4_master_func_num(dev)) - res_alloc->guaranteed[t] = - MLX4_PF_COUNTERS_PER_PORT * - MLX4_MAX_PORTS; - else if (t <= max_vfs_guarantee_counter) - res_alloc->guaranteed[t] = - MLX4_VF_COUNTERS_PER_PORT * - MLX4_MAX_PORTS; - else - res_alloc->guaranteed[t] = 0; + res_alloc->guaranteed[t] = + mlx4_calc_res_counter_guaranteed(dev, res_alloc, t); break; default: break; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 8d76452cacdc..f1a7bc46f1c0 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -345,7 +345,7 @@ struct mlx5e_tx_wqe_info { u8 num_wqebbs; u8 num_dma; #ifdef CONFIG_MLX5_EN_TLS - skb_frag_t *resync_dump_frag; + struct page *resync_dump_frag_page; #endif }; @@ -410,6 +410,7 @@ struct mlx5e_txqsq { struct device *pdev; __be32 mkey_be; unsigned long state; + unsigned int hw_mtu; struct hwtstamp_config *tstamp; struct mlx5_clock *clock; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/hv_vhca_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en/hv_vhca_stats.c index b3a249b2a482..ac44bbe95c5c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/hv_vhca_stats.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/hv_vhca_stats.c @@ -141,7 +141,7 @@ int mlx5e_hv_vhca_stats_create(struct mlx5e_priv *priv) "Failed to create hv vhca stats agent, err = %ld\n", PTR_ERR(agent)); - kfree(priv->stats_agent.buf); + kvfree(priv->stats_agent.buf); return IS_ERR_OR_NULL(agent); } @@ -157,5 +157,5 @@ void mlx5e_hv_vhca_stats_destroy(struct mlx5e_priv *priv) return; mlx5_hv_vhca_agent_destroy(priv->stats_agent.agent); - kfree(priv->stats_agent.buf); + kvfree(priv->stats_agent.buf); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c index f8ee18b4da6f..745ab6cd7c30 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c @@ -97,15 +97,19 @@ static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv, if (ret) return ret; - if (mlx5_lag_is_multipath(mdev) && rt->rt_gw_family != AF_INET) + if (mlx5_lag_is_multipath(mdev) && rt->rt_gw_family != AF_INET) { + ip_rt_put(rt); return -ENETUNREACH; + } #else return -EOPNOTSUPP; #endif ret = get_route_and_out_devs(priv, rt->dst.dev, route_dev, out_dev); - if (ret < 0) + if (ret < 0) { + ip_rt_put(rt); return ret; + } if (!(*out_ttl)) *out_ttl = ip4_dst_hoplimit(&rt->dst); @@ -149,8 +153,10 @@ static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv, *out_ttl = ip6_dst_hoplimit(dst); ret = get_route_and_out_devs(priv, dst->dev, route_dev, out_dev); - if (ret < 0) + if (ret < 0) { + dst_release(dst); return ret; + } #else return -EOPNOTSUPP; #endif @@ -233,12 +239,15 @@ int mlx5e_tc_tun_create_header_ipv4(struct mlx5e_priv *priv, if (max_encap_size < ipv4_encap_size) { mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", ipv4_encap_size, max_encap_size); - return -EOPNOTSUPP; + err = -EOPNOTSUPP; + goto out; } encap_header = kzalloc(ipv4_encap_size, GFP_KERNEL); - if (!encap_header) - return -ENOMEM; + if (!encap_header) { + err = -ENOMEM; + goto out; + } /* used by mlx5e_detach_encap to lookup a neigh hash table * entry in the neigh hash table when a user deletes a rule @@ -349,12 +358,15 @@ int mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv, if (max_encap_size < ipv6_encap_size) { mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", ipv6_encap_size, max_encap_size); - return -EOPNOTSUPP; + err = -EOPNOTSUPP; + goto out; } encap_header = kzalloc(ipv6_encap_size, GFP_KERNEL); - if (!encap_header) - return -ENOMEM; + if (!encap_header) { + err = -ENOMEM; + goto out; + } /* used by mlx5e_detach_encap to lookup a neigh hash table * entry in the neigh hash table when a user deletes a rule diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h index 87be96747902..7c8796d9743f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h @@ -15,15 +15,14 @@ #else /* TLS offload requires additional stop_room for: * - a resync SKB. - * kTLS offload requires additional stop_room for: - * - static params WQE, - * - progress params WQE, and - * - resync DUMP per frag. + * kTLS offload requires fixed additional stop_room for: + * - a static params WQE, and a progress params WQE. + * The additional MTU-depending room for the resync DUMP WQEs + * will be calculated and added in runtime. */ #define MLX5E_SQ_TLS_ROOM \ (MLX5_SEND_WQE_MAX_WQEBBS + \ - MLX5E_KTLS_STATIC_WQEBBS + MLX5E_KTLS_PROGRESS_WQEBBS + \ - MAX_SKB_FRAGS * MLX5E_KTLS_MAX_DUMP_WQEBBS) + MLX5E_KTLS_STATIC_WQEBBS + MLX5E_KTLS_PROGRESS_WQEBBS) #endif #define INL_HDR_START_SZ (sizeof(((struct mlx5_wqe_eth_seg *)NULL)->inline_hdr.start)) @@ -92,7 +91,7 @@ mlx5e_fill_sq_frag_edge(struct mlx5e_txqsq *sq, struct mlx5_wq_cyc *wq, /* fill sq frag edge with nops to avoid wqe wrapping two pages */ for (; wi < edge_wi; wi++) { - wi->skb = NULL; + memset(wi, 0, sizeof(*wi)); wi->num_wqebbs = 1; mlx5e_post_nop(wq, sq->sqn, &sq->pc); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c index d2ff74d52720..46725cd743a3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c @@ -38,7 +38,7 @@ static int mlx5e_ktls_add(struct net_device *netdev, struct sock *sk, return -ENOMEM; tx_priv->expected_seq = start_offload_tcp_sn; - tx_priv->crypto_info = crypto_info; + tx_priv->crypto_info = *(struct tls12_crypto_info_aes_gcm_128 *)crypto_info; mlx5e_set_ktls_tx_priv_ctx(tls_ctx, tx_priv); /* tc and underlay_qpn values are not in use for tls tis */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.h index b7298f9ee3d3..a3efa29a4629 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.h @@ -21,7 +21,14 @@ MLX5_ST_SZ_BYTES(tls_progress_params)) #define MLX5E_KTLS_PROGRESS_WQEBBS \ (DIV_ROUND_UP(MLX5E_KTLS_PROGRESS_WQE_SZ, MLX5_SEND_WQE_BB)) -#define MLX5E_KTLS_MAX_DUMP_WQEBBS 2 + +struct mlx5e_dump_wqe { + struct mlx5_wqe_ctrl_seg ctrl; + struct mlx5_wqe_data_seg data; +}; + +#define MLX5E_KTLS_DUMP_WQEBBS \ + (DIV_ROUND_UP(sizeof(struct mlx5e_dump_wqe), MLX5_SEND_WQE_BB)) enum { MLX5E_TLS_PROGRESS_PARAMS_AUTH_STATE_NO_OFFLOAD = 0, @@ -37,7 +44,7 @@ enum { struct mlx5e_ktls_offload_context_tx { struct tls_offload_context_tx *tx_ctx; - struct tls_crypto_info *crypto_info; + struct tls12_crypto_info_aes_gcm_128 crypto_info; u32 expected_seq; u32 tisn; u32 key_id; @@ -86,14 +93,28 @@ struct sk_buff *mlx5e_ktls_handle_tx_skb(struct net_device *netdev, struct mlx5e_tx_wqe **wqe, u16 *pi); void mlx5e_ktls_tx_handle_resync_dump_comp(struct mlx5e_txqsq *sq, struct mlx5e_tx_wqe_info *wi, - struct mlx5e_sq_dma *dma); - + u32 *dma_fifo_cc); +static inline u8 +mlx5e_ktls_dumps_num_wqebbs(struct mlx5e_txqsq *sq, unsigned int nfrags, + unsigned int sync_len) +{ + /* Given the MTU and sync_len, calculates an upper bound for the + * number of WQEBBs needed for the TX resync DUMP WQEs of a record. + */ + return MLX5E_KTLS_DUMP_WQEBBS * + (nfrags + DIV_ROUND_UP(sync_len, sq->hw_mtu)); +} #else static inline void mlx5e_ktls_build_netdev(struct mlx5e_priv *priv) { } +static inline void +mlx5e_ktls_tx_handle_resync_dump_comp(struct mlx5e_txqsq *sq, + struct mlx5e_tx_wqe_info *wi, + u32 *dma_fifo_cc) {} + #endif #endif /* __MLX5E_TLS_H__ */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c index d195366461c9..778dab1af8fc 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c @@ -24,17 +24,12 @@ enum { static void fill_static_params_ctx(void *ctx, struct mlx5e_ktls_offload_context_tx *priv_tx) { - struct tls_crypto_info *crypto_info = priv_tx->crypto_info; - struct tls12_crypto_info_aes_gcm_128 *info; + struct tls12_crypto_info_aes_gcm_128 *info = &priv_tx->crypto_info; char *initial_rn, *gcm_iv; u16 salt_sz, rec_seq_sz; char *salt, *rec_seq; u8 tls_version; - if (WARN_ON(crypto_info->cipher_type != TLS_CIPHER_AES_GCM_128)) - return; - - info = (struct tls12_crypto_info_aes_gcm_128 *)crypto_info; EXTRACT_INFO_FIELDS; gcm_iv = MLX5_ADDR_OF(tls_static_params, ctx, gcm_iv); @@ -108,16 +103,15 @@ build_progress_params(struct mlx5e_tx_wqe *wqe, u16 pc, u32 sqn, } static void tx_fill_wi(struct mlx5e_txqsq *sq, - u16 pi, u8 num_wqebbs, - skb_frag_t *resync_dump_frag, - u32 num_bytes) + u16 pi, u8 num_wqebbs, u32 num_bytes, + struct page *page) { struct mlx5e_tx_wqe_info *wi = &sq->db.wqe_info[pi]; - wi->skb = NULL; - wi->num_wqebbs = num_wqebbs; - wi->resync_dump_frag = resync_dump_frag; - wi->num_bytes = num_bytes; + memset(wi, 0, sizeof(*wi)); + wi->num_wqebbs = num_wqebbs; + wi->num_bytes = num_bytes; + wi->resync_dump_frag_page = page; } void mlx5e_ktls_tx_offload_set_pending(struct mlx5e_ktls_offload_context_tx *priv_tx) @@ -145,7 +139,7 @@ post_static_params(struct mlx5e_txqsq *sq, umr_wqe = mlx5e_sq_fetch_wqe(sq, MLX5E_KTLS_STATIC_UMR_WQE_SZ, &pi); build_static_params(umr_wqe, sq->pc, sq->sqn, priv_tx, fence); - tx_fill_wi(sq, pi, MLX5E_KTLS_STATIC_WQEBBS, NULL, 0); + tx_fill_wi(sq, pi, MLX5E_KTLS_STATIC_WQEBBS, 0, NULL); sq->pc += MLX5E_KTLS_STATIC_WQEBBS; } @@ -159,7 +153,7 @@ post_progress_params(struct mlx5e_txqsq *sq, wqe = mlx5e_sq_fetch_wqe(sq, MLX5E_KTLS_PROGRESS_WQE_SZ, &pi); build_progress_params(wqe, sq->pc, sq->sqn, priv_tx, fence); - tx_fill_wi(sq, pi, MLX5E_KTLS_PROGRESS_WQEBBS, NULL, 0); + tx_fill_wi(sq, pi, MLX5E_KTLS_PROGRESS_WQEBBS, 0, NULL); sq->pc += MLX5E_KTLS_PROGRESS_WQEBBS; } @@ -169,6 +163,14 @@ mlx5e_ktls_tx_post_param_wqes(struct mlx5e_txqsq *sq, bool skip_static_post, bool fence_first_post) { bool progress_fence = skip_static_post || !fence_first_post; + struct mlx5_wq_cyc *wq = &sq->wq; + u16 contig_wqebbs_room, pi; + + pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc); + contig_wqebbs_room = mlx5_wq_cyc_get_contig_wqebbs(wq, pi); + if (unlikely(contig_wqebbs_room < + MLX5E_KTLS_STATIC_WQEBBS + MLX5E_KTLS_PROGRESS_WQEBBS)) + mlx5e_fill_sq_frag_edge(sq, wq, pi, contig_wqebbs_room); if (!skip_static_post) post_static_params(sq, priv_tx, fence_first_post); @@ -180,29 +182,36 @@ struct tx_sync_info { u64 rcd_sn; s32 sync_len; int nr_frags; - skb_frag_t *frags[MAX_SKB_FRAGS]; + skb_frag_t frags[MAX_SKB_FRAGS]; +}; + +enum mlx5e_ktls_sync_retval { + MLX5E_KTLS_SYNC_DONE, + MLX5E_KTLS_SYNC_FAIL, + MLX5E_KTLS_SYNC_SKIP_NO_DATA, }; -static bool tx_sync_info_get(struct mlx5e_ktls_offload_context_tx *priv_tx, - u32 tcp_seq, struct tx_sync_info *info) +static enum mlx5e_ktls_sync_retval +tx_sync_info_get(struct mlx5e_ktls_offload_context_tx *priv_tx, + u32 tcp_seq, struct tx_sync_info *info) { struct tls_offload_context_tx *tx_ctx = priv_tx->tx_ctx; + enum mlx5e_ktls_sync_retval ret = MLX5E_KTLS_SYNC_DONE; struct tls_record_info *record; int remaining, i = 0; unsigned long flags; - bool ret = true; spin_lock_irqsave(&tx_ctx->lock, flags); record = tls_get_record(tx_ctx, tcp_seq, &info->rcd_sn); if (unlikely(!record)) { - ret = false; + ret = MLX5E_KTLS_SYNC_FAIL; goto out; } if (unlikely(tcp_seq < tls_record_start_seq(record))) { - if (!tls_record_is_start_marker(record)) - ret = false; + ret = tls_record_is_start_marker(record) ? + MLX5E_KTLS_SYNC_SKIP_NO_DATA : MLX5E_KTLS_SYNC_FAIL; goto out; } @@ -211,13 +220,13 @@ static bool tx_sync_info_get(struct mlx5e_ktls_offload_context_tx *priv_tx, while (remaining > 0) { skb_frag_t *frag = &record->frags[i]; - __skb_frag_ref(frag); + get_page(skb_frag_page(frag)); remaining -= skb_frag_size(frag); - info->frags[i++] = frag; + info->frags[i++] = *frag; } /* reduce the part which will be sent with the original SKB */ if (remaining < 0) - skb_frag_size_add(info->frags[i - 1], remaining); + skb_frag_size_add(&info->frags[i - 1], remaining); info->nr_frags = i; out: spin_unlock_irqrestore(&tx_ctx->lock, flags); @@ -229,17 +238,12 @@ tx_post_resync_params(struct mlx5e_txqsq *sq, struct mlx5e_ktls_offload_context_tx *priv_tx, u64 rcd_sn) { - struct tls_crypto_info *crypto_info = priv_tx->crypto_info; - struct tls12_crypto_info_aes_gcm_128 *info; + struct tls12_crypto_info_aes_gcm_128 *info = &priv_tx->crypto_info; __be64 rn_be = cpu_to_be64(rcd_sn); bool skip_static_post; u16 rec_seq_sz; char *rec_seq; - if (WARN_ON(crypto_info->cipher_type != TLS_CIPHER_AES_GCM_128)) - return; - - info = (struct tls12_crypto_info_aes_gcm_128 *)crypto_info; rec_seq = info->rec_seq; rec_seq_sz = sizeof(info->rec_seq); @@ -250,11 +254,6 @@ tx_post_resync_params(struct mlx5e_txqsq *sq, mlx5e_ktls_tx_post_param_wqes(sq, priv_tx, skip_static_post, true); } -struct mlx5e_dump_wqe { - struct mlx5_wqe_ctrl_seg ctrl; - struct mlx5_wqe_data_seg data; -}; - static int tx_post_resync_dump(struct mlx5e_txqsq *sq, skb_frag_t *frag, u32 tisn, bool first) { @@ -262,7 +261,6 @@ tx_post_resync_dump(struct mlx5e_txqsq *sq, skb_frag_t *frag, u32 tisn, bool fir struct mlx5_wqe_data_seg *dseg; struct mlx5e_dump_wqe *wqe; dma_addr_t dma_addr = 0; - u8 num_wqebbs; u16 ds_cnt; int fsz; u16 pi; @@ -270,7 +268,6 @@ tx_post_resync_dump(struct mlx5e_txqsq *sq, skb_frag_t *frag, u32 tisn, bool fir wqe = mlx5e_sq_fetch_wqe(sq, sizeof(*wqe), &pi); ds_cnt = sizeof(*wqe) / MLX5_SEND_WQE_DS; - num_wqebbs = DIV_ROUND_UP(ds_cnt, MLX5_SEND_WQEBB_NUM_DS); cseg = &wqe->ctrl; dseg = &wqe->data; @@ -291,24 +288,27 @@ tx_post_resync_dump(struct mlx5e_txqsq *sq, skb_frag_t *frag, u32 tisn, bool fir dseg->byte_count = cpu_to_be32(fsz); mlx5e_dma_push(sq, dma_addr, fsz, MLX5E_DMA_MAP_PAGE); - tx_fill_wi(sq, pi, num_wqebbs, frag, fsz); - sq->pc += num_wqebbs; - - WARN(num_wqebbs > MLX5E_KTLS_MAX_DUMP_WQEBBS, - "unexpected DUMP num_wqebbs, %d > %d", - num_wqebbs, MLX5E_KTLS_MAX_DUMP_WQEBBS); + tx_fill_wi(sq, pi, MLX5E_KTLS_DUMP_WQEBBS, fsz, skb_frag_page(frag)); + sq->pc += MLX5E_KTLS_DUMP_WQEBBS; return 0; } void mlx5e_ktls_tx_handle_resync_dump_comp(struct mlx5e_txqsq *sq, struct mlx5e_tx_wqe_info *wi, - struct mlx5e_sq_dma *dma) + u32 *dma_fifo_cc) { - struct mlx5e_sq_stats *stats = sq->stats; + struct mlx5e_sq_stats *stats; + struct mlx5e_sq_dma *dma; + + if (!wi->resync_dump_frag_page) + return; + + dma = mlx5e_dma_get(sq, (*dma_fifo_cc)++); + stats = sq->stats; mlx5e_tx_dma_unmap(sq->pdev, dma); - __skb_frag_unref(wi->resync_dump_frag); + put_page(wi->resync_dump_frag_page); stats->tls_dump_packets++; stats->tls_dump_bytes += wi->num_bytes; } @@ -318,25 +318,31 @@ static void tx_post_fence_nop(struct mlx5e_txqsq *sq) struct mlx5_wq_cyc *wq = &sq->wq; u16 pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc); - tx_fill_wi(sq, pi, 1, NULL, 0); + tx_fill_wi(sq, pi, 1, 0, NULL); mlx5e_post_nop_fence(wq, sq->sqn, &sq->pc); } -static struct sk_buff * +static enum mlx5e_ktls_sync_retval mlx5e_ktls_tx_handle_ooo(struct mlx5e_ktls_offload_context_tx *priv_tx, struct mlx5e_txqsq *sq, - struct sk_buff *skb, + int datalen, u32 seq) { struct mlx5e_sq_stats *stats = sq->stats; struct mlx5_wq_cyc *wq = &sq->wq; + enum mlx5e_ktls_sync_retval ret; struct tx_sync_info info = {}; u16 contig_wqebbs_room, pi; u8 num_wqebbs; - int i; - - if (!tx_sync_info_get(priv_tx, seq, &info)) { + int i = 0; + + ret = tx_sync_info_get(priv_tx, seq, &info); + if (unlikely(ret != MLX5E_KTLS_SYNC_DONE)) { + if (ret == MLX5E_KTLS_SYNC_SKIP_NO_DATA) { + stats->tls_skip_no_sync_data++; + return MLX5E_KTLS_SYNC_SKIP_NO_DATA; + } /* We might get here if a retransmission reaches the driver * after the relevant record is acked. * It should be safe to drop the packet in this case @@ -346,13 +352,8 @@ mlx5e_ktls_tx_handle_ooo(struct mlx5e_ktls_offload_context_tx *priv_tx, } if (unlikely(info.sync_len < 0)) { - u32 payload; - int headln; - - headln = skb_transport_offset(skb) + tcp_hdrlen(skb); - payload = skb->len - headln; - if (likely(payload <= -info.sync_len)) - return skb; + if (likely(datalen <= -info.sync_len)) + return MLX5E_KTLS_SYNC_DONE; stats->tls_drop_bypass_req++; goto err_out; @@ -360,30 +361,62 @@ mlx5e_ktls_tx_handle_ooo(struct mlx5e_ktls_offload_context_tx *priv_tx, stats->tls_ooo++; - num_wqebbs = MLX5E_KTLS_STATIC_WQEBBS + MLX5E_KTLS_PROGRESS_WQEBBS + - (info.nr_frags ? info.nr_frags * MLX5E_KTLS_MAX_DUMP_WQEBBS : 1); + tx_post_resync_params(sq, priv_tx, info.rcd_sn); + + /* If no dump WQE was sent, we need to have a fence NOP WQE before the + * actual data xmit. + */ + if (!info.nr_frags) { + tx_post_fence_nop(sq); + return MLX5E_KTLS_SYNC_DONE; + } + + num_wqebbs = mlx5e_ktls_dumps_num_wqebbs(sq, info.nr_frags, info.sync_len); pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc); contig_wqebbs_room = mlx5_wq_cyc_get_contig_wqebbs(wq, pi); + if (unlikely(contig_wqebbs_room < num_wqebbs)) mlx5e_fill_sq_frag_edge(sq, wq, pi, contig_wqebbs_room); tx_post_resync_params(sq, priv_tx, info.rcd_sn); - for (i = 0; i < info.nr_frags; i++) - if (tx_post_resync_dump(sq, info.frags[i], priv_tx->tisn, !i)) - goto err_out; + for (; i < info.nr_frags; i++) { + unsigned int orig_fsz, frag_offset = 0, n = 0; + skb_frag_t *f = &info.frags[i]; - /* If no dump WQE was sent, we need to have a fence NOP WQE before the - * actual data xmit. - */ - if (!info.nr_frags) - tx_post_fence_nop(sq); + orig_fsz = skb_frag_size(f); - return skb; + do { + bool fence = !(i || frag_offset); + unsigned int fsz; + + n++; + fsz = min_t(unsigned int, sq->hw_mtu, orig_fsz - frag_offset); + skb_frag_size_set(f, fsz); + if (tx_post_resync_dump(sq, f, priv_tx->tisn, fence)) { + page_ref_add(skb_frag_page(f), n - 1); + goto err_out; + } + + skb_frag_off_add(f, fsz); + frag_offset += fsz; + } while (frag_offset < orig_fsz); + + page_ref_add(skb_frag_page(f), n - 1); + } + + return MLX5E_KTLS_SYNC_DONE; err_out: - dev_kfree_skb_any(skb); - return NULL; + for (; i < info.nr_frags; i++) + /* The put_page() here undoes the page ref obtained in tx_sync_info_get(). + * Page refs obtained for the DUMP WQEs above (by page_ref_add) will be + * released only upon their completions (or in mlx5e_free_txqsq_descs, + * if channel closes). + */ + put_page(skb_frag_page(&info.frags[i])); + + return MLX5E_KTLS_SYNC_FAIL; } struct sk_buff *mlx5e_ktls_handle_tx_skb(struct net_device *netdev, @@ -419,10 +452,15 @@ struct sk_buff *mlx5e_ktls_handle_tx_skb(struct net_device *netdev, seq = ntohl(tcp_hdr(skb)->seq); if (unlikely(priv_tx->expected_seq != seq)) { - skb = mlx5e_ktls_tx_handle_ooo(priv_tx, sq, skb, seq); - if (unlikely(!skb)) + enum mlx5e_ktls_sync_retval ret = + mlx5e_ktls_tx_handle_ooo(priv_tx, sq, datalen, seq); + + if (likely(ret == MLX5E_KTLS_SYNC_DONE)) + *wqe = mlx5e_sq_fetch_wqe(sq, sizeof(**wqe), pi); + else if (ret == MLX5E_KTLS_SYNC_FAIL) + goto err_out; + else /* ret == MLX5E_KTLS_SYNC_SKIP_NO_DATA */ goto out; - *wqe = mlx5e_sq_fetch_wqe(sq, sizeof(**wqe), pi); } priv_tx->expected_seq = seq + datalen; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index c5a9c20d7f00..95601269fa2e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -708,9 +708,9 @@ static int get_fec_supported_advertised(struct mlx5_core_dev *dev, static void ptys2ethtool_supported_advertised_port(struct ethtool_link_ksettings *link_ksettings, u32 eth_proto_cap, - u8 connector_type) + u8 connector_type, bool ext) { - if (!connector_type || connector_type >= MLX5E_CONNECTOR_TYPE_NUMBER) { + if ((!connector_type && !ext) || connector_type >= MLX5E_CONNECTOR_TYPE_NUMBER) { if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_10GBASE_CR) | MLX5E_PROT_MASK(MLX5E_10GBASE_SR) | MLX5E_PROT_MASK(MLX5E_40GBASE_CR4) @@ -842,9 +842,9 @@ static int ptys2connector_type[MLX5E_CONNECTOR_TYPE_NUMBER] = { [MLX5E_PORT_OTHER] = PORT_OTHER, }; -static u8 get_connector_port(u32 eth_proto, u8 connector_type) +static u8 get_connector_port(u32 eth_proto, u8 connector_type, bool ext) { - if (connector_type && connector_type < MLX5E_CONNECTOR_TYPE_NUMBER) + if ((connector_type || ext) && connector_type < MLX5E_CONNECTOR_TYPE_NUMBER) return ptys2connector_type[connector_type]; if (eth_proto & @@ -945,9 +945,9 @@ int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv, eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap; link_ksettings->base.port = get_connector_port(eth_proto_oper, - connector_type); + connector_type, ext); ptys2ethtool_supported_advertised_port(link_ksettings, eth_proto_admin, - connector_type); + connector_type, ext); get_lp_advertising(mdev, eth_proto_lp, link_ksettings); if (an_status == MLX5_AN_COMPLETE) @@ -1021,7 +1021,7 @@ static bool ext_link_mode_requested(const unsigned long *adver) { #define MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT ETHTOOL_LINK_MODE_50000baseKR_Full_BIT int size = __ETHTOOL_LINK_MODE_MASK_NBITS - MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT; - __ETHTOOL_DECLARE_LINK_MODE_MASK(modes); + __ETHTOOL_DECLARE_LINK_MODE_MASK(modes) = {0,}; bitmap_set(modes, MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT, size); return bitmap_intersects(modes, adver, __ETHTOOL_LINK_MODE_MASK_NBITS); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 7569287f8f3c..2a56e66f58d8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -1128,6 +1128,7 @@ static int mlx5e_alloc_txqsq(struct mlx5e_channel *c, sq->txq_ix = txq_ix; sq->uar_map = mdev->mlx5e_res.bfreg.map; sq->min_inline_mode = params->tx_min_inline_mode; + sq->hw_mtu = MLX5E_SW2HW_MTU(params, params->sw_mtu); sq->stats = &c->priv->channel_stats[c->ix].sq[tc]; sq->stop_room = MLX5E_SQ_STOP_ROOM; INIT_WORK(&sq->recover_work, mlx5e_tx_err_cqe_work); @@ -1135,10 +1136,14 @@ static int mlx5e_alloc_txqsq(struct mlx5e_channel *c, set_bit(MLX5E_SQ_STATE_VLAN_NEED_L2_INLINE, &sq->state); if (MLX5_IPSEC_DEV(c->priv->mdev)) set_bit(MLX5E_SQ_STATE_IPSEC, &sq->state); +#ifdef CONFIG_MLX5_EN_TLS if (mlx5_accel_is_tls_device(c->priv->mdev)) { set_bit(MLX5E_SQ_STATE_TLS, &sq->state); - sq->stop_room += MLX5E_SQ_TLS_ROOM; + sq->stop_room += MLX5E_SQ_TLS_ROOM + + mlx5e_ktls_dumps_num_wqebbs(sq, MAX_SKB_FRAGS, + TLS_MAX_PAYLOAD_SIZE); } +#endif param->wq.db_numa_node = cpu_to_node(c->cpu); err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, wq, &sq->wq_ctrl); @@ -1349,9 +1354,13 @@ static void mlx5e_deactivate_txqsq(struct mlx5e_txqsq *sq) /* last doorbell out, godspeed .. */ if (mlx5e_wqc_has_room_for(wq, sq->cc, sq->pc, 1)) { u16 pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc); + struct mlx5e_tx_wqe_info *wi; struct mlx5e_tx_wqe *nop; - sq->db.wqe_info[pi].skb = NULL; + wi = &sq->db.wqe_info[pi]; + + memset(wi, 0, sizeof(*wi)); + wi->num_wqebbs = 1; nop = mlx5e_post_nop(wq, sq->sqn, &sq->pc); mlx5e_notify_hw(wq, sq->pc, sq->uar_map, &nop->ctrl); } @@ -4243,9 +4252,12 @@ static netdev_features_t mlx5e_tunnel_features_check(struct mlx5e_priv *priv, switch (proto) { case IPPROTO_GRE: + return features; case IPPROTO_IPIP: case IPPROTO_IPV6: - return features; + if (mlx5e_tunnel_proto_supported(priv->mdev, IPPROTO_IPIP)) + return features; + break; case IPPROTO_UDP: udph = udp_hdr(skb); port = be16_to_cpu(udph->dest); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 95892a3b63a1..cd9bb7c7b341 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -611,8 +611,8 @@ static void mlx5e_rep_update_flows(struct mlx5e_priv *priv, mutex_lock(&esw->offloads.encap_tbl_lock); encap_connected = !!(e->flags & MLX5_ENCAP_ENTRY_VALID); - if (e->compl_result || (encap_connected == neigh_connected && - ether_addr_equal(e->h_dest, ha))) + if (e->compl_result < 0 || (encap_connected == neigh_connected && + ether_addr_equal(e->h_dest, ha))) goto unlock; mlx5e_take_all_encap_flows(e, &flow_list); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index d6a547238de0..82cffb3a9964 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -1386,8 +1386,11 @@ int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget) if (unlikely(!test_bit(MLX5E_RQ_STATE_ENABLED, &rq->state))) return 0; - if (rq->cqd.left) + if (rq->cqd.left) { work_done += mlx5e_decompress_cqes_cont(rq, cqwq, 0, budget); + if (rq->cqd.left || work_done >= budget) + goto out; + } cqe = mlx5_cqwq_get_cqe(cqwq); if (!cqe) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c index 840ec945ccba..bbff8d8ded76 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c @@ -35,6 +35,7 @@ #include <linux/udp.h> #include <net/udp.h> #include "en.h" +#include "en/port.h" enum { MLX5E_ST_LINK_STATE, @@ -80,22 +81,12 @@ static int mlx5e_test_link_state(struct mlx5e_priv *priv) static int mlx5e_test_link_speed(struct mlx5e_priv *priv) { - u32 out[MLX5_ST_SZ_DW(ptys_reg)]; - u32 eth_proto_oper; - int i; + u32 speed; if (!netif_carrier_ok(priv->netdev)) return 1; - if (mlx5_query_port_ptys(priv->mdev, out, sizeof(out), MLX5_PTYS_EN, 1)) - return 1; - - eth_proto_oper = MLX5_GET(ptys_reg, out, eth_proto_oper); - for (i = 0; i < MLX5E_LINK_MODES_NUMBER; i++) { - if (eth_proto_oper & MLX5E_PROT_MASK(i)) - return 0; - } - return 1; + return mlx5e_port_linkspeed(priv->mdev, &speed); } struct mlx5ehdr { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c index ac6fdcda7019..7e6ebd0505cc 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c @@ -52,11 +52,12 @@ static const struct counter_desc sw_stats_desc[] = { { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_tls_encrypted_bytes) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_tls_ctx) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_tls_ooo) }, + { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_tls_dump_packets) }, + { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_tls_dump_bytes) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_tls_resync_bytes) }, + { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_tls_skip_no_sync_data) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_tls_drop_no_sync_data) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_tls_drop_bypass_req) }, - { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_tls_dump_packets) }, - { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_tls_dump_bytes) }, #endif { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_lro_packets) }, @@ -288,11 +289,12 @@ static void mlx5e_grp_sw_update_stats(struct mlx5e_priv *priv) s->tx_tls_encrypted_bytes += sq_stats->tls_encrypted_bytes; s->tx_tls_ctx += sq_stats->tls_ctx; s->tx_tls_ooo += sq_stats->tls_ooo; + s->tx_tls_dump_bytes += sq_stats->tls_dump_bytes; + s->tx_tls_dump_packets += sq_stats->tls_dump_packets; s->tx_tls_resync_bytes += sq_stats->tls_resync_bytes; + s->tx_tls_skip_no_sync_data += sq_stats->tls_skip_no_sync_data; s->tx_tls_drop_no_sync_data += sq_stats->tls_drop_no_sync_data; s->tx_tls_drop_bypass_req += sq_stats->tls_drop_bypass_req; - s->tx_tls_dump_bytes += sq_stats->tls_dump_bytes; - s->tx_tls_dump_packets += sq_stats->tls_dump_packets; #endif s->tx_cqes += sq_stats->cqes; } @@ -1472,10 +1474,12 @@ static const struct counter_desc sq_stats_desc[] = { { MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, tls_encrypted_bytes) }, { MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, tls_ctx) }, { MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, tls_ooo) }, - { MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, tls_drop_no_sync_data) }, - { MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, tls_drop_bypass_req) }, { MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, tls_dump_packets) }, { MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, tls_dump_bytes) }, + { MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, tls_resync_bytes) }, + { MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, tls_skip_no_sync_data) }, + { MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, tls_drop_no_sync_data) }, + { MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, tls_drop_bypass_req) }, #endif { MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, csum_none) }, { MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, stopped) }, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h index 79f261bf86ac..869f3502f631 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h @@ -129,11 +129,12 @@ struct mlx5e_sw_stats { u64 tx_tls_encrypted_bytes; u64 tx_tls_ctx; u64 tx_tls_ooo; + u64 tx_tls_dump_packets; + u64 tx_tls_dump_bytes; u64 tx_tls_resync_bytes; + u64 tx_tls_skip_no_sync_data; u64 tx_tls_drop_no_sync_data; u64 tx_tls_drop_bypass_req; - u64 tx_tls_dump_packets; - u64 tx_tls_dump_bytes; #endif u64 rx_xsk_packets; @@ -273,11 +274,12 @@ struct mlx5e_sq_stats { u64 tls_encrypted_bytes; u64 tls_ctx; u64 tls_ooo; + u64 tls_dump_packets; + u64 tls_dump_bytes; u64 tls_resync_bytes; + u64 tls_skip_no_sync_data; u64 tls_drop_no_sync_data; u64 tls_drop_bypass_req; - u64 tls_dump_packets; - u64 tls_dump_bytes; #endif /* less likely accessed in data path */ u64 csum_none; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 3e78a727f3e6..f90a9f8e0fc6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -1278,8 +1278,10 @@ static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, mlx5_eswitch_del_vlan_action(esw, attr); for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) - if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) + if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { mlx5e_detach_encap(priv, flow, out_index); + kfree(attr->parse_attr->tun_info[out_index]); + } kvfree(attr->parse_attr); if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) @@ -1559,6 +1561,7 @@ static void mlx5e_encap_dealloc(struct mlx5e_priv *priv, struct mlx5e_encap_entr mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); } + kfree(e->tun_info); kfree(e->encap_header); kfree_rcu(e, rcu); } @@ -2972,6 +2975,13 @@ mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key, return NULL; } +static struct ip_tunnel_info *dup_tun_info(const struct ip_tunnel_info *tun_info) +{ + size_t tun_size = sizeof(*tun_info) + tun_info->options_len; + + return kmemdup(tun_info, tun_size, GFP_KERNEL); +} + static int mlx5e_attach_encap(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow, struct net_device *mirred_dev, @@ -3028,13 +3038,15 @@ static int mlx5e_attach_encap(struct mlx5e_priv *priv, refcount_set(&e->refcnt, 1); init_completion(&e->res_ready); + tun_info = dup_tun_info(tun_info); + if (!tun_info) { + err = -ENOMEM; + goto out_err_init; + } e->tun_info = tun_info; err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); - if (err) { - kfree(e); - e = NULL; - goto out_err; - } + if (err) + goto out_err_init; INIT_LIST_HEAD(&e->flows); hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); @@ -3075,6 +3087,12 @@ out_err: if (e) mlx5e_encap_put(priv, e); return err; + +out_err_init: + mutex_unlock(&esw->offloads.encap_tbl_lock); + kfree(tun_info); + kfree(e); + return err; } static int parse_tc_vlan_action(struct mlx5e_priv *priv, @@ -3160,7 +3178,7 @@ static int add_vlan_pop_action(struct mlx5e_priv *priv, struct mlx5_esw_flow_attr *attr, u32 *action) { - int nest_level = vlan_get_encap_level(attr->parse_attr->filter_dev); + int nest_level = attr->parse_attr->filter_dev->lower_level; struct flow_action_entry vlan_act = { .id = FLOW_ACTION_VLAN_POP, }; @@ -3250,7 +3268,20 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_COUNT; - if (netdev_port_same_parent_id(priv->netdev, out_dev)) { + if (encap) { + parse_attr->mirred_ifindex[attr->out_count] = + out_dev->ifindex; + parse_attr->tun_info[attr->out_count] = dup_tun_info(info); + if (!parse_attr->tun_info[attr->out_count]) + return -ENOMEM; + encap = false; + attr->dests[attr->out_count].flags |= + MLX5_ESW_DEST_ENCAP; + attr->out_count++; + /* attr->dests[].rep is resolved when we + * handle encap + */ + } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); struct net_device *uplink_upper; @@ -3292,17 +3323,6 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, attr->dests[attr->out_count].rep = rpriv->rep; attr->dests[attr->out_count].mdev = out_priv->mdev; attr->out_count++; - } else if (encap) { - parse_attr->mirred_ifindex[attr->out_count] = - out_dev->ifindex; - parse_attr->tun_info[attr->out_count] = info; - encap = false; - attr->dests[attr->out_count].flags |= - MLX5_ESW_DEST_ENCAP; - attr->out_count++; - /* attr->dests[].rep is resolved when we - * handle encap - */ } else if (parse_attr->filter_dev != priv->netdev) { /* All mlx5 devices are called to configure * high level device filters. Therefore, the @@ -3980,9 +4000,8 @@ int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, struct tc_cls_matchall_offload *ma) { struct netlink_ext_ack *extack = ma->common.extack; - int prio = TC_H_MAJ(ma->common.prio) >> 16; - if (prio != 1) { + if (ma->common.prio != 1) { NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); return -EINVAL; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index d3a67a9b4eba..67dc4f0921b6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -403,7 +403,10 @@ netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev) static void mlx5e_dump_error_cqe(struct mlx5e_txqsq *sq, struct mlx5_err_cqe *err_cqe) { - u32 ci = mlx5_cqwq_get_ci(&sq->cq.wq); + struct mlx5_cqwq *wq = &sq->cq.wq; + u32 ci; + + ci = mlx5_cqwq_ctr2ix(wq, wq->cc - 1); netdev_err(sq->channel->netdev, "Error cqe on cqn 0x%x, ci 0x%x, sqn 0x%x, opcode 0x%x, syndrome 0x%x, vendor syndrome 0x%x\n", @@ -479,14 +482,7 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget) skb = wi->skb; if (unlikely(!skb)) { -#ifdef CONFIG_MLX5_EN_TLS - if (wi->resync_dump_frag) { - struct mlx5e_sq_dma *dma = - mlx5e_dma_get(sq, dma_fifo_cc++); - - mlx5e_ktls_tx_handle_resync_dump_comp(sq, wi, dma); - } -#endif + mlx5e_ktls_tx_handle_resync_dump_comp(sq, wi, &dma_fifo_cc); sqcc += wi->num_wqebbs; continue; } @@ -542,29 +538,38 @@ void mlx5e_free_txqsq_descs(struct mlx5e_txqsq *sq) { struct mlx5e_tx_wqe_info *wi; struct sk_buff *skb; + u32 dma_fifo_cc; + u16 sqcc; u16 ci; int i; - while (sq->cc != sq->pc) { - ci = mlx5_wq_cyc_ctr2ix(&sq->wq, sq->cc); + sqcc = sq->cc; + dma_fifo_cc = sq->dma_fifo_cc; + + while (sqcc != sq->pc) { + ci = mlx5_wq_cyc_ctr2ix(&sq->wq, sqcc); wi = &sq->db.wqe_info[ci]; skb = wi->skb; - if (!skb) { /* nop */ - sq->cc++; + if (!skb) { + mlx5e_ktls_tx_handle_resync_dump_comp(sq, wi, &dma_fifo_cc); + sqcc += wi->num_wqebbs; continue; } for (i = 0; i < wi->num_dma; i++) { struct mlx5e_sq_dma *dma = - mlx5e_dma_get(sq, sq->dma_fifo_cc++); + mlx5e_dma_get(sq, dma_fifo_cc++); mlx5e_tx_dma_unmap(sq->pdev, dma); } dev_kfree_skb_any(skb); - sq->cc += wi->num_wqebbs; + sqcc += wi->num_wqebbs; } + + sq->dma_fifo_cc = dma_fifo_cc; + sq->cc = sqcc; } #ifdef CONFIG_MLX5_CORE_IPOIB diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index 30aae76b6a1d..60fddf8afc99 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -2117,7 +2117,7 @@ int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw, unlock: mutex_unlock(&esw->state_lock); - return 0; + return err; } int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 00d71db15f22..9004a07e457a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -285,7 +285,6 @@ mlx5_eswitch_add_fwd_rule(struct mlx5_eswitch *esw, mlx5_eswitch_set_rule_source_port(esw, spec, attr); - spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; if (attr->outer_match_level != MLX5_MATCH_NONE) spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; @@ -1080,7 +1079,7 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw, int nvports) MLX5_CAP_GEN(dev, max_flow_counter_15_0); fdb_max = 1 << MLX5_CAP_ESW_FLOWTABLE_FDB(dev, log_max_ft_size); - esw_debug(dev, "Create offloads FDB table, min (max esw size(2^%d), max counters(%d), groups(%d), max flow table size(2^%d))\n", + esw_debug(dev, "Create offloads FDB table, min (max esw size(2^%d), max counters(%d), groups(%d), max flow table size(%d))\n", MLX5_CAP_ESW_FLOWTABLE_FDB(dev, log_max_ft_size), max_flow_counter, ESW_OFFLOADS_NUM_GROUPS, fdb_max); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c index 1d55a324a17e..366bda1bb1c3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c @@ -177,22 +177,33 @@ mlx5_eswitch_termtbl_actions_move(struct mlx5_flow_act *src, memset(&src->vlan[1], 0, sizeof(src->vlan[1])); } +static bool mlx5_eswitch_offload_is_uplink_port(const struct mlx5_eswitch *esw, + const struct mlx5_flow_spec *spec) +{ + u32 port_mask, port_value; + + if (MLX5_CAP_ESW_FLOWTABLE(esw->dev, flow_source)) + return spec->flow_context.flow_source == + MLX5_FLOW_CONTEXT_FLOW_SOURCE_UPLINK; + + port_mask = MLX5_GET(fte_match_param, spec->match_criteria, + misc_parameters.source_port); + port_value = MLX5_GET(fte_match_param, spec->match_value, + misc_parameters.source_port); + return (port_mask & port_value & 0xffff) == MLX5_VPORT_UPLINK; +} + bool mlx5_eswitch_termtbl_required(struct mlx5_eswitch *esw, struct mlx5_flow_act *flow_act, struct mlx5_flow_spec *spec) { - u32 port_mask = MLX5_GET(fte_match_param, spec->match_criteria, - misc_parameters.source_port); - u32 port_value = MLX5_GET(fte_match_param, spec->match_value, - misc_parameters.source_port); - if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, termination_table)) return false; /* push vlan on RX */ return (flow_act->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH) && - ((port_mask & port_value) == MLX5_VPORT_UPLINK); + mlx5_eswitch_offload_is_uplink_port(esw, spec); } struct mlx5_flow_handle * diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c index 4c50efe4e7f1..61021133029e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c @@ -464,8 +464,10 @@ static int mlx5_fpga_conn_create_cq(struct mlx5_fpga_conn *conn, int cq_size) } err = mlx5_vector2eqn(mdev, smp_processor_id(), &eqn, &irqn); - if (err) + if (err) { + kvfree(in); goto err_cqwq; + } cqc = MLX5_ADDR_OF(create_cq_in, in, cq_context); MLX5_SET(cqc, cqc, log_cq_size, ilog2(cq_size)); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c index 579c306caa7b..3c816e81f8d9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c @@ -507,7 +507,8 @@ static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev, MLX5_SET(dest_format_struct, in_dests, destination_eswitch_owner_vhca_id, dst->dest_attr.vport.vhca_id); - if (extended_dest) { + if (extended_dest && + dst->dest_attr.vport.pkt_reformat) { MLX5_SET(dest_format_struct, in_dests, packet_reformat, !!(dst->dest_attr.vport.flags & diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 3bbb49354829..791e14ac26f4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -579,7 +579,7 @@ static void del_sw_flow_group(struct fs_node *node) rhashtable_destroy(&fg->ftes_hash); ida_destroy(&fg->fte_allocator); - if (ft->autogroup.active) + if (ft->autogroup.active && fg->max_ftes == ft->autogroup.group_size) ft->autogroup.num_groups--; err = rhltable_remove(&ft->fgs_hash, &fg->hash, @@ -1126,6 +1126,8 @@ mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns, ft->autogroup.active = true; ft->autogroup.required_groups = max_num_groups; + /* We save place for flow groups in addition to max types */ + ft->autogroup.group_size = ft->max_fte / (max_num_groups + 1); return ft; } @@ -1328,8 +1330,7 @@ static struct mlx5_flow_group *alloc_auto_flow_group(struct mlx5_flow_table *ft return ERR_PTR(-ENOENT); if (ft->autogroup.num_groups < ft->autogroup.required_groups) - /* We save place for flow groups in addition to max types */ - group_size = ft->max_fte / (ft->autogroup.required_groups + 1); + group_size = ft->autogroup.group_size; /* ft->max_fte == ft->autogroup.max_types */ if (group_size == 0) @@ -1356,7 +1357,8 @@ static struct mlx5_flow_group *alloc_auto_flow_group(struct mlx5_flow_table *ft if (IS_ERR(fg)) goto out; - ft->autogroup.num_groups++; + if (group_size == ft->autogroup.group_size) + ft->autogroup.num_groups++; out: return fg; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h index 00717eba2256..c2621b911563 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h @@ -162,6 +162,7 @@ struct mlx5_flow_table { struct { bool active; unsigned int required_groups; + unsigned int group_size; unsigned int num_groups; } autogroup; /* Protect fwd_rules */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c index d685122d9ff7..c07f3154437c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/health.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c @@ -572,7 +572,7 @@ mlx5_fw_fatal_reporter_dump(struct devlink_health_reporter *reporter, return -ENOMEM; err = mlx5_crdump_collect(dev, cr_data); if (err) - return err; + goto free_data; if (priv_ctx) { struct mlx5_fw_reporter_ctx *fw_reporter_ctx = priv_ctx; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c index 0059b290e095..43f97601b500 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c @@ -236,6 +236,19 @@ static int mlx5_extts_configure(struct ptp_clock_info *ptp, if (!MLX5_PPS_CAP(mdev)) return -EOPNOTSUPP; + /* Reject requests with unsupported flags */ + if (rq->extts.flags & ~(PTP_ENABLE_FEATURE | + PTP_RISING_EDGE | + PTP_FALLING_EDGE | + PTP_STRICT_FLAGS)) + return -EOPNOTSUPP; + + /* Reject requests to enable time stamping on both edges. */ + if ((rq->extts.flags & PTP_STRICT_FLAGS) && + (rq->extts.flags & PTP_ENABLE_FEATURE) && + (rq->extts.flags & PTP_EXTTS_EDGES) == PTP_EXTTS_EDGES) + return -EOPNOTSUPP; + if (rq->extts.index >= clock->ptp_info.n_pins) return -EINVAL; @@ -290,6 +303,10 @@ static int mlx5_perout_configure(struct ptp_clock_info *ptp, if (!MLX5_PPS_CAP(mdev)) return -EOPNOTSUPP; + /* Reject requests with unsupported flags */ + if (rq->perout.flags) + return -EOPNOTSUPP; + if (rq->perout.index >= clock->ptp_info.n_pins) return -EINVAL; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index e47dd7c1b909..50ab88d80033 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -1566,6 +1566,7 @@ static const struct pci_device_id mlx5_core_pci_table[] = { { PCI_VDEVICE(MELLANOX, 0x101c), MLX5_PCI_DEV_IS_VF}, /* ConnectX-6 VF */ { PCI_VDEVICE(MELLANOX, 0x101d) }, /* ConnectX-6 Dx */ { PCI_VDEVICE(MELLANOX, 0x101e), MLX5_PCI_DEV_IS_VF}, /* ConnectX Family mlx5Gen Virtual Function */ + { PCI_VDEVICE(MELLANOX, 0x101f) }, /* ConnectX-6 LX */ { PCI_VDEVICE(MELLANOX, 0xa2d2) }, /* BlueField integrated ConnectX-5 network controller */ { PCI_VDEVICE(MELLANOX, 0xa2d3), MLX5_PCI_DEV_IS_VF}, /* BlueField integrated ConnectX-5 network controller VF */ { PCI_VDEVICE(MELLANOX, 0xa2d6) }, /* BlueField-2 integrated ConnectX-6 Dx network controller */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mr.c b/drivers/net/ethernet/mellanox/mlx5/core/mr.c index 9231b39d18b2..c501bf2a0252 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/mr.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/mr.c @@ -112,17 +112,11 @@ int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, u32 out[MLX5_ST_SZ_DW(destroy_mkey_out)] = {0}; u32 in[MLX5_ST_SZ_DW(destroy_mkey_in)] = {0}; struct xarray *mkeys = &dev->priv.mkey_table; - struct mlx5_core_mkey *deleted_mkey; unsigned long flags; xa_lock_irqsave(mkeys, flags); - deleted_mkey = __xa_erase(mkeys, mlx5_base_mkey(mkey->key)); + __xa_erase(mkeys, mlx5_base_mkey(mkey->key)); xa_unlock_irqrestore(mkeys, flags); - if (!deleted_mkey) { - mlx5_core_dbg(dev, "failed xarray delete of mkey 0x%x\n", - mlx5_base_mkey(mkey->key)); - return -ENOENT; - } MLX5_SET(destroy_mkey_in, in, opcode, MLX5_CMD_OP_DESTROY_MKEY); MLX5_SET(destroy_mkey_in, in, mkey_index, mlx5_mkey_to_idx(mkey->key)); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c index b74b7d0f6590..004c56c2fc0c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c @@ -1577,6 +1577,7 @@ int mlx5dr_action_destroy(struct mlx5dr_action *action) break; case DR_ACTION_TYP_MODIFY_HDR: mlx5dr_icm_free_chunk(action->rewrite.chunk); + kfree(action->rewrite.data); refcount_dec(&action->rewrite.dmn->refcount); break; default: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c index 4187f2b112b8..bd1699e62142 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c @@ -595,6 +595,18 @@ static void dr_rule_clean_rule_members(struct mlx5dr_rule *rule, } } +static u16 dr_get_bits_per_mask(u16 byte_mask) +{ + u16 bits = 0; + + while (byte_mask) { + byte_mask = byte_mask & (byte_mask - 1); + bits++; + } + + return bits; +} + static bool dr_rule_need_enlarge_hash(struct mlx5dr_ste_htbl *htbl, struct mlx5dr_domain *dmn, struct mlx5dr_domain_rx_tx *nic_dmn) @@ -607,6 +619,9 @@ static bool dr_rule_need_enlarge_hash(struct mlx5dr_ste_htbl *htbl, if (!ctrl->may_grow) return false; + if (dr_get_bits_per_mask(htbl->byte_mask) * BITS_PER_BYTE <= htbl->chunk_size) + return false; + if (ctrl->num_of_collisions >= ctrl->increase_threshold && (ctrl->num_of_valid_entries - ctrl->num_of_collisions) >= ctrl->increase_threshold) return true; @@ -788,12 +803,10 @@ again: * it means that all the previous stes are the same, * if so, this rule is duplicated. */ - if (mlx5dr_ste_is_last_in_rule(nic_matcher, - matched_ste->ste_chain_location)) { - mlx5dr_info(dmn, "Duplicate rule inserted, aborting!!\n"); - return NULL; - } - return matched_ste; + if (!mlx5dr_ste_is_last_in_rule(nic_matcher, ste_location)) + return matched_ste; + + mlx5dr_dbg(dmn, "Duplicate rule inserted\n"); } if (!skip_rehash && dr_rule_need_enlarge_hash(cur_htbl, dmn, nic_dmn)) { @@ -1098,6 +1111,8 @@ dr_rule_create_rule_nic(struct mlx5dr_rule *rule, if (htbl) mlx5dr_htbl_put(htbl); + kfree(hw_ste_arr); + return 0; free_ste: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c index 5df8436b2ae3..51803eef13dd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c @@ -700,6 +700,7 @@ static struct mlx5dr_cq *dr_create_cq(struct mlx5_core_dev *mdev, unsigned int irqn; void *cqc, *in; __be64 *pas; + int vector; u32 i; cq = kzalloc(sizeof(*cq), GFP_KERNEL); @@ -728,7 +729,8 @@ static struct mlx5dr_cq *dr_create_cq(struct mlx5_core_dev *mdev, if (!in) goto err_cqwq; - err = mlx5_vector2eqn(mdev, smp_processor_id(), &eqn, &irqn); + vector = smp_processor_id() % mlx5_comp_vectors_count(mdev); + err = mlx5_vector2eqn(mdev, vector, &eqn, &irqn); if (err) { kvfree(in); goto err_cqwq; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c index 4efe1b0be4a8..3cbf74b44d1f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c @@ -560,18 +560,6 @@ bool mlx5dr_ste_not_used_ste(struct mlx5dr_ste *ste) return !refcount_read(&ste->refcount); } -static u16 get_bits_per_mask(u16 byte_mask) -{ - u16 bits = 0; - - while (byte_mask) { - byte_mask = byte_mask & (byte_mask - 1); - bits++; - } - - return bits; -} - /* Init one ste as a pattern for ste data array */ void mlx5dr_ste_set_formatted_ste(u16 gvmi, struct mlx5dr_domain_rx_tx *nic_dmn, @@ -620,20 +608,12 @@ int mlx5dr_ste_create_next_htbl(struct mlx5dr_matcher *matcher, struct mlx5dr_ste_htbl *next_htbl; if (!mlx5dr_ste_is_last_in_rule(nic_matcher, ste->ste_chain_location)) { - u32 bits_in_mask; u8 next_lu_type; u16 byte_mask; next_lu_type = MLX5_GET(ste_general, hw_ste, next_lu_type); byte_mask = MLX5_GET(ste_general, hw_ste, byte_mask); - /* Don't allocate table more than required, - * the size of the table defined via the byte_mask, so no need - * to allocate more than that. - */ - bits_in_mask = get_bits_per_mask(byte_mask) * BITS_PER_BYTE; - log_table_size = min(log_table_size, bits_in_mask); - next_htbl = mlx5dr_ste_htbl_alloc(dmn->ste_icm_pool, log_table_size, next_lu_type, @@ -671,7 +651,7 @@ static void dr_ste_set_ctrl(struct mlx5dr_ste_htbl *htbl) htbl->ctrl.may_grow = true; - if (htbl->chunk_size == DR_CHUNK_SIZE_MAX - 1) + if (htbl->chunk_size == DR_CHUNK_SIZE_MAX - 1 || !htbl->byte_mask) htbl->ctrl.may_grow = false; /* Threshold is 50%, one is added to table of size 1 */ diff --git a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c index 67990406cba2..29e95d0a6ad1 100644 --- a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c +++ b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c @@ -66,6 +66,8 @@ retry: return err; if (fsm_state_err != MLXFW_FSM_STATE_ERR_OK) { + fsm_state_err = min_t(enum mlxfw_fsm_state_err, + fsm_state_err, MLXFW_FSM_STATE_ERR_MAX); pr_err("Firmware flash failed: %s\n", mlxfw_fsm_state_err_str[fsm_state_err]); NL_SET_ERR_MSG_MOD(extack, "Firmware flash failed"); diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index 14dcc786926d..0a0884d86d44 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -1186,9 +1186,12 @@ __mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, if (err) goto err_thermal_init; - if (mlxsw_driver->params_register && !reload) + if (mlxsw_driver->params_register) devlink_params_publish(devlink); + if (!reload) + devlink_reload_enable(devlink); + return 0; err_thermal_init: @@ -1249,6 +1252,8 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, { struct devlink *devlink = priv_to_devlink(mlxsw_core); + if (!reload) + devlink_reload_disable(devlink); if (devlink_is_reload_failed(devlink)) { if (!reload) /* Only the parts that were not de-initialized in the @@ -1259,7 +1264,7 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, return; } - if (mlxsw_core->driver->params_unregister && !reload) + if (mlxsw_core->driver->params_unregister) devlink_params_unpublish(devlink); mlxsw_thermal_fini(mlxsw_core->thermal); mlxsw_hwmon_fini(mlxsw_core->hwmon); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index a330b369e899..39d600c8b92d 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -994,7 +994,7 @@ u32 mlxsw_sp_ipip_dev_ul_tb_id(const struct net_device *ol_dev) if (d) return l3mdev_fib_table(d) ? : RT_TABLE_MAIN; else - return l3mdev_fib_table(ol_dev) ? : RT_TABLE_MAIN; + return RT_TABLE_MAIN; } static struct mlxsw_sp_rif * @@ -1598,27 +1598,10 @@ static int mlxsw_sp_netdevice_ipip_ol_vrf_event(struct mlxsw_sp *mlxsw_sp, { struct mlxsw_sp_ipip_entry *ipip_entry = mlxsw_sp_ipip_entry_find_by_ol_dev(mlxsw_sp, ol_dev); - enum mlxsw_sp_l3proto ul_proto; - union mlxsw_sp_l3addr saddr; - u32 ul_tb_id; if (!ipip_entry) return 0; - /* For flat configuration cases, moving overlay to a different VRF might - * cause local address conflict, and the conflicting tunnels need to be - * demoted. - */ - ul_tb_id = mlxsw_sp_ipip_dev_ul_tb_id(ol_dev); - ul_proto = mlxsw_sp->router->ipip_ops_arr[ipip_entry->ipipt]->ul_proto; - saddr = mlxsw_sp_ipip_netdev_saddr(ul_proto, ol_dev); - if (mlxsw_sp_ipip_demote_tunnel_by_saddr(mlxsw_sp, ul_proto, - saddr, ul_tb_id, - ipip_entry)) { - mlxsw_sp_ipip_entry_demote_tunnel(mlxsw_sp, ipip_entry); - return 0; - } - return __mlxsw_sp_ipip_entry_update_tunnel(mlxsw_sp, ipip_entry, true, false, false, extack); } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c index 899450b28621..7c03b661ae7e 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c @@ -99,6 +99,7 @@ static void mlxsw_sp_rx_drop_listener(struct sk_buff *skb, u8 local_port, devlink = priv_to_devlink(mlxsw_sp->core); in_devlink_port = mlxsw_core_port_devlink_port_get(mlxsw_sp->core, local_port); + skb_push(skb, ETH_HLEN); devlink_trap_report(devlink, skb, trap_ctx, in_devlink_port); consume_skb(skb); } diff --git a/drivers/net/ethernet/microchip/lan743x_ptp.c b/drivers/net/ethernet/microchip/lan743x_ptp.c index 57b26c2acf87..e8fe9a90fe4f 100644 --- a/drivers/net/ethernet/microchip/lan743x_ptp.c +++ b/drivers/net/ethernet/microchip/lan743x_ptp.c @@ -429,6 +429,10 @@ static int lan743x_ptp_perout(struct lan743x_adapter *adapter, int on, int pulse_width = 0; int perout_bit = 0; + /* Reject requests with unsupported flags */ + if (perout->flags) + return -EOPNOTSUPP; + if (!on) { lan743x_ptp_perout_off(adapter); return 0; diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c index 4d1bce4389c7..672ea1342add 100644 --- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -261,8 +261,15 @@ static int ocelot_vlan_vid_add(struct net_device *dev, u16 vid, bool pvid, port->pvid = vid; /* Untagged egress vlan clasification */ - if (untagged) + if (untagged && port->vid != vid) { + if (port->vid) { + dev_err(ocelot->dev, + "Port already has a native VLAN: %d\n", + port->vid); + return -EBUSY; + } port->vid = vid; + } ocelot_vlan_port_apply(ocelot, port); @@ -934,7 +941,7 @@ end: static int ocelot_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid) { - return ocelot_vlan_vid_add(dev, vid, false, true); + return ocelot_vlan_vid_add(dev, vid, false, false); } static int ocelot_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, @@ -1673,9 +1680,6 @@ static int ocelot_netdevice_port_event(struct net_device *dev, struct ocelot_port *ocelot_port = netdev_priv(dev); int err = 0; - if (!ocelot_netdevice_dev_check(dev)) - return 0; - switch (event) { case NETDEV_CHANGEUPPER: if (netif_is_bridge_master(info->upper_dev)) { @@ -1712,12 +1716,16 @@ static int ocelot_netdevice_event(struct notifier_block *unused, struct net_device *dev = netdev_notifier_info_to_dev(ptr); int ret = 0; + if (!ocelot_netdevice_dev_check(dev)) + return 0; + if (event == NETDEV_PRECHANGEUPPER && netif_is_lag_master(info->upper_dev)) { struct netdev_lag_upper_info *lag_upper_info = info->upper_info; struct netlink_ext_ack *extack; - if (lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) { + if (lag_upper_info && + lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) { extack = netdev_notifier_info_to_extack(&info->info); NL_SET_ERR_MSG_MOD(extack, "LAG device using unsupported Tx type"); diff --git a/drivers/net/ethernet/mscc/ocelot.h b/drivers/net/ethernet/mscc/ocelot.h index e40773c01a44..06ac806052bc 100644 --- a/drivers/net/ethernet/mscc/ocelot.h +++ b/drivers/net/ethernet/mscc/ocelot.h @@ -523,7 +523,7 @@ void __ocelot_write_ix(struct ocelot *ocelot, u32 val, u32 reg, u32 offset); #define ocelot_write_rix(ocelot, val, reg, ri) __ocelot_write_ix(ocelot, val, reg, reg##_RSZ * (ri)) #define ocelot_write(ocelot, val, reg) __ocelot_write_ix(ocelot, val, reg, 0) -void __ocelot_rmw_ix(struct ocelot *ocelot, u32 val, u32 reg, u32 mask, +void __ocelot_rmw_ix(struct ocelot *ocelot, u32 val, u32 mask, u32 reg, u32 offset); #define ocelot_rmw_ix(ocelot, val, m, reg, gi, ri) __ocelot_rmw_ix(ocelot, val, m, reg, reg##_GSZ * (gi) + reg##_RSZ * (ri)) #define ocelot_rmw_gix(ocelot, val, m, reg, gi) __ocelot_rmw_ix(ocelot, val, m, reg, reg##_GSZ * (gi)) diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c index 1eef446036d6..79d72c88bbef 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c @@ -299,22 +299,6 @@ static void nfp_repr_clean(struct nfp_repr *repr) nfp_port_free(repr->port); } -static struct lock_class_key nfp_repr_netdev_xmit_lock_key; -static struct lock_class_key nfp_repr_netdev_addr_lock_key; - -static void nfp_repr_set_lockdep_class_one(struct net_device *dev, - struct netdev_queue *txq, - void *_unused) -{ - lockdep_set_class(&txq->_xmit_lock, &nfp_repr_netdev_xmit_lock_key); -} - -static void nfp_repr_set_lockdep_class(struct net_device *dev) -{ - lockdep_set_class(&dev->addr_list_lock, &nfp_repr_netdev_addr_lock_key); - netdev_for_each_tx_queue(dev, nfp_repr_set_lockdep_class_one, NULL); -} - int nfp_repr_init(struct nfp_app *app, struct net_device *netdev, u32 cmsg_port_id, struct nfp_port *port, struct net_device *pf_netdev) @@ -324,8 +308,6 @@ int nfp_repr_init(struct nfp_app *app, struct net_device *netdev, u32 repr_cap = nn->tlv_caps.repr_cap; int err; - nfp_repr_set_lockdep_class(netdev); - repr->port = port; repr->dst = metadata_dst_alloc(0, METADATA_HW_PORT_MUX, GFP_KERNEL); if (!repr->dst) diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c index 141571e2ec11..544012a67221 100644 --- a/drivers/net/ethernet/nxp/lpc_eth.c +++ b/drivers/net/ethernet/nxp/lpc_eth.c @@ -1356,9 +1356,6 @@ static int lpc_eth_drv_probe(struct platform_device *pdev) if (!is_valid_ether_addr(ndev->dev_addr)) eth_hw_addr_random(ndev); - /* Reset the ethernet controller */ - __lpc_eth_reset(pldat); - /* then shut everything down to save power */ __lpc_eth_shutdown(pldat); diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index 72107a0627a9..20faa8d24c9f 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -1,6 +1,8 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright(c) 2017 - 2019 Pensando Systems, Inc */ +#include <linux/printk.h> +#include <linux/dynamic_debug.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/rtnetlink.h> diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.h b/drivers/net/ethernet/pensando/ionic/ionic_lif.h index 812190e729c2..6a95b42a8d8c 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.h @@ -182,6 +182,8 @@ struct ionic_lif { #define lif_to_txqcq(lif, i) ((lif)->txqcqs[i].qcq) #define lif_to_rxqcq(lif, i) ((lif)->rxqcqs[i].qcq) +#define lif_to_txstats(lif, i) ((lif)->txqcqs[i].stats->tx) +#define lif_to_rxstats(lif, i) ((lif)->rxqcqs[i].stats->rx) #define lif_to_txq(lif, i) (&lif_to_txqcq((lif), i)->q) #define lif_to_rxq(lif, i) (&lif_to_txqcq((lif), i)->q) diff --git a/drivers/net/ethernet/pensando/ionic/ionic_main.c b/drivers/net/ethernet/pensando/ionic/ionic_main.c index 15e432386b35..aab311413412 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_main.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_main.c @@ -1,6 +1,8 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright(c) 2017 - 2019 Pensando Systems, Inc */ +#include <linux/printk.h> +#include <linux/dynamic_debug.h> #include <linux/module.h> #include <linux/netdevice.h> #include <linux/utsname.h> diff --git a/drivers/net/ethernet/pensando/ionic/ionic_stats.c b/drivers/net/ethernet/pensando/ionic/ionic_stats.c index e2907884f843..03916b6d47f2 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_stats.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_stats.c @@ -117,7 +117,8 @@ static u64 ionic_sw_stats_get_count(struct ionic_lif *lif) /* rx stats */ total += MAX_Q(lif) * IONIC_NUM_RX_STATS; - if (test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) { + if (test_bit(IONIC_LIF_UP, lif->state) && + test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) { /* tx debug stats */ total += MAX_Q(lif) * (IONIC_NUM_DBG_CQ_STATS + IONIC_NUM_TX_Q_STATS + @@ -149,7 +150,8 @@ static void ionic_sw_stats_get_strings(struct ionic_lif *lif, u8 **buf) *buf += ETH_GSTRING_LEN; } - if (test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) { + if (test_bit(IONIC_LIF_UP, lif->state) && + test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) { for (i = 0; i < IONIC_NUM_TX_Q_STATS; i++) { snprintf(*buf, ETH_GSTRING_LEN, "txq_%d_%s", @@ -187,7 +189,8 @@ static void ionic_sw_stats_get_strings(struct ionic_lif *lif, u8 **buf) *buf += ETH_GSTRING_LEN; } - if (test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) { + if (test_bit(IONIC_LIF_UP, lif->state) && + test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) { for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++) { snprintf(*buf, ETH_GSTRING_LEN, "rxq_%d_cq_%s", @@ -223,6 +226,8 @@ static void ionic_sw_stats_get_values(struct ionic_lif *lif, u64 **buf) { struct ionic_lif_sw_stats lif_stats; struct ionic_qcq *txqcq, *rxqcq; + struct ionic_tx_stats *txstats; + struct ionic_rx_stats *rxstats; int i, q_num; ionic_get_lif_stats(lif, &lif_stats); @@ -233,15 +238,17 @@ static void ionic_sw_stats_get_values(struct ionic_lif *lif, u64 **buf) } for (q_num = 0; q_num < MAX_Q(lif); q_num++) { - txqcq = lif_to_txqcq(lif, q_num); + txstats = &lif_to_txstats(lif, q_num); for (i = 0; i < IONIC_NUM_TX_STATS; i++) { - **buf = IONIC_READ_STAT64(&txqcq->stats->tx, + **buf = IONIC_READ_STAT64(txstats, &ionic_tx_stats_desc[i]); (*buf)++; } - if (test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) { + if (test_bit(IONIC_LIF_UP, lif->state) && + test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) { + txqcq = lif_to_txqcq(lif, q_num); for (i = 0; i < IONIC_NUM_TX_Q_STATS; i++) { **buf = IONIC_READ_STAT64(&txqcq->q, &ionic_txq_stats_desc[i]); @@ -258,22 +265,24 @@ static void ionic_sw_stats_get_values(struct ionic_lif *lif, u64 **buf) (*buf)++; } for (i = 0; i < IONIC_MAX_NUM_SG_CNTR; i++) { - **buf = txqcq->stats->tx.sg_cntr[i]; + **buf = txstats->sg_cntr[i]; (*buf)++; } } } for (q_num = 0; q_num < MAX_Q(lif); q_num++) { - rxqcq = lif_to_rxqcq(lif, q_num); + rxstats = &lif_to_rxstats(lif, q_num); for (i = 0; i < IONIC_NUM_RX_STATS; i++) { - **buf = IONIC_READ_STAT64(&rxqcq->stats->rx, + **buf = IONIC_READ_STAT64(rxstats, &ionic_rx_stats_desc[i]); (*buf)++; } - if (test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) { + if (test_bit(IONIC_LIF_UP, lif->state) && + test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state)) { + rxqcq = lif_to_rxqcq(lif, q_num); for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++) { **buf = IONIC_READ_STAT64(&rxqcq->cq, &ionic_dbg_cq_stats_desc[i]); diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c index 2ce70097d018..38f7f40b3a4d 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_main.c +++ b/drivers/net/ethernet/qlogic/qed/qed_main.c @@ -67,10 +67,9 @@ #define QED_ROCE_QPS (8192) #define QED_ROCE_DPIS (8) #define QED_RDMA_SRQS QED_ROCE_QPS -#define QED_NVM_CFG_SET_FLAGS 0xE -#define QED_NVM_CFG_SET_PF_FLAGS 0x1E #define QED_NVM_CFG_GET_FLAGS 0xA #define QED_NVM_CFG_GET_PF_FLAGS 0x1A +#define QED_NVM_CFG_MAX_ATTRS 50 static char version[] = "QLogic FastLinQ 4xxxx Core Module qed " DRV_MODULE_VERSION "\n"; @@ -2255,6 +2254,7 @@ static int qed_nvm_flash_cfg_write(struct qed_dev *cdev, const u8 **data) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); u8 entity_id, len, buf[32]; + bool need_nvm_init = true; struct qed_ptt *ptt; u16 cfg_id, count; int rc = 0, i; @@ -2271,8 +2271,10 @@ static int qed_nvm_flash_cfg_write(struct qed_dev *cdev, const u8 **data) DP_VERBOSE(cdev, NETIF_MSG_DRV, "Read config ids: num_attrs = %0d\n", count); - /* NVM CFG ID attributes */ - for (i = 0; i < count; i++) { + /* NVM CFG ID attributes. Start loop index from 1 to avoid additional + * arithmetic operations in the implementation. + */ + for (i = 1; i <= count; i++) { cfg_id = *((u16 *)*data); *data += 2; entity_id = **data; @@ -2282,8 +2284,21 @@ static int qed_nvm_flash_cfg_write(struct qed_dev *cdev, const u8 **data) memcpy(buf, *data, len); *data += len; - flags = entity_id ? QED_NVM_CFG_SET_PF_FLAGS : - QED_NVM_CFG_SET_FLAGS; + flags = 0; + if (need_nvm_init) { + flags |= QED_NVM_CFG_OPTION_INIT; + need_nvm_init = false; + } + + /* Commit to flash and free the resources */ + if (!(i % QED_NVM_CFG_MAX_ATTRS) || i == count) { + flags |= QED_NVM_CFG_OPTION_COMMIT | + QED_NVM_CFG_OPTION_FREE; + need_nvm_init = true; + } + + if (entity_id) + flags |= QED_NVM_CFG_OPTION_ENTITY_SEL; DP_VERBOSE(cdev, NETIF_MSG_DRV, "cfg_id = %d entity = %d len = %d\n", cfg_id, diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c index 78f77b712b10..dcb5c917f373 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c +++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c @@ -2005,7 +2005,7 @@ static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn, (qed_iov_validate_active_txq(p_hwfn, vf))) { vf->b_malicious = true; DP_NOTICE(p_hwfn, - "VF [%02x] - considered malicious; Unable to stop RX/TX queuess\n", + "VF [%02x] - considered malicious; Unable to stop RX/TX queues\n", vf->abs_vf_id); status = PFVF_STATUS_MALICIOUS; goto out; diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 8d1c208f778f..a220cc7c947a 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -1208,8 +1208,16 @@ enum qede_remove_mode { static void __qede_remove(struct pci_dev *pdev, enum qede_remove_mode mode) { struct net_device *ndev = pci_get_drvdata(pdev); - struct qede_dev *edev = netdev_priv(ndev); - struct qed_dev *cdev = edev->cdev; + struct qede_dev *edev; + struct qed_dev *cdev; + + if (!ndev) { + dev_info(&pdev->dev, "Device has already been removed\n"); + return; + } + + edev = netdev_priv(ndev); + cdev = edev->cdev; DP_INFO(edev, "Starting qede_remove\n"); diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c index 5ecf61df78bd..baac016f3ec0 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.c +++ b/drivers/net/ethernet/qualcomm/qca_spi.c @@ -363,7 +363,7 @@ qcaspi_receive(struct qcaspi *qca) netdev_dbg(net_dev, "qcaspi_receive: SPI_REG_RDBUF_BYTE_AVA: Value: %08x\n", available); - if (available > QCASPI_HW_BUF_LEN) { + if (available > QCASPI_HW_BUF_LEN + QCASPI_HW_PKT_LEN) { /* This could only happen by interferences on the SPI line. * So retry later ... */ @@ -496,7 +496,6 @@ qcaspi_qca7k_sync(struct qcaspi *qca, int event) u16 signature = 0; u16 spi_config; u16 wrbuf_space = 0; - static u16 reset_count; if (event == QCASPI_EVENT_CPUON) { /* Read signature twice, if not valid @@ -549,13 +548,13 @@ qcaspi_qca7k_sync(struct qcaspi *qca, int event) qca->sync = QCASPI_SYNC_RESET; qca->stats.trig_reset++; - reset_count = 0; + qca->reset_count = 0; break; case QCASPI_SYNC_RESET: - reset_count++; + qca->reset_count++; netdev_dbg(qca->net_dev, "sync: waiting for CPU on, count %u.\n", - reset_count); - if (reset_count >= QCASPI_RESET_TIMEOUT) { + qca->reset_count); + if (qca->reset_count >= QCASPI_RESET_TIMEOUT) { /* reset did not seem to take place, try again */ qca->sync = QCASPI_SYNC_UNKNOWN; qca->stats.reset_timeout++; diff --git a/drivers/net/ethernet/qualcomm/qca_spi.h b/drivers/net/ethernet/qualcomm/qca_spi.h index eb9af45fcc5e..d13a67e20d65 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.h +++ b/drivers/net/ethernet/qualcomm/qca_spi.h @@ -94,6 +94,7 @@ struct qcaspi { unsigned int intr_req; unsigned int intr_svc; + u16 reset_count; #ifdef CONFIG_DEBUG_FS struct dentry *device_root; diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c index 9c54b715228e..06de59521fc4 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c @@ -57,10 +57,10 @@ static int rmnet_unregister_real_device(struct net_device *real_dev, if (port->nr_rmnet_devs) return -EINVAL; - kfree(port); - netdev_rx_handler_unregister(real_dev); + kfree(port); + /* release reference on real_dev */ dev_put(real_dev); diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 74f81fe03810..c33c438850cc 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -916,6 +916,9 @@ static void r8168g_mdio_write(struct rtl8169_private *tp, int reg, int value) static int r8168g_mdio_read(struct rtl8169_private *tp, int reg) { + if (reg == 0x1f) + return tp->ocp_base == OCP_STD_PHY_BASE ? 0 : tp->ocp_base >> 4; + if (tp->ocp_base != OCP_STD_PHY_BASE) reg -= 0x10; @@ -1029,6 +1032,10 @@ static int r8168dp_2_mdio_read(struct rtl8169_private *tp, int reg) { int value; + /* Work around issue with chip reporting wrong PHY ID */ + if (reg == MII_PHYSID2) + return 0xc912; + r8168dp_2_mdio_start(tp); value = r8169_mdio_read(tp, reg); @@ -4146,6 +4153,14 @@ static void rtl_hw_jumbo_disable(struct rtl8169_private *tp) rtl_lock_config_regs(tp); } +static void rtl_jumbo_config(struct rtl8169_private *tp, int mtu) +{ + if (mtu > ETH_DATA_LEN) + rtl_hw_jumbo_enable(tp); + else + rtl_hw_jumbo_disable(tp); +} + DECLARE_RTL_COND(rtl_chipcmd_cond) { return RTL_R8(tp, ChipCmd) & CmdReset; @@ -4442,11 +4457,6 @@ static void rtl8168g_set_pause_thresholds(struct rtl8169_private *tp, static void rtl_hw_start_8168bb(struct rtl8169_private *tp) { RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); - - if (tp->dev->mtu <= ETH_DATA_LEN) { - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B | - PCI_EXP_DEVCTL_NOSNOOP_EN); - } } static void rtl_hw_start_8168bef(struct rtl8169_private *tp) @@ -4462,9 +4472,6 @@ static void __rtl_hw_start_8168cp(struct rtl8169_private *tp) RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); - if (tp->dev->mtu <= ETH_DATA_LEN) - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - rtl_disable_clock_request(tp); } @@ -4490,9 +4497,6 @@ static void rtl_hw_start_8168cp_2(struct rtl8169_private *tp) rtl_set_def_aspm_entry_latency(tp); RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); - - if (tp->dev->mtu <= ETH_DATA_LEN) - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); } static void rtl_hw_start_8168cp_3(struct rtl8169_private *tp) @@ -4503,9 +4507,6 @@ static void rtl_hw_start_8168cp_3(struct rtl8169_private *tp) /* Magic. */ RTL_W8(tp, DBG_REG, 0x20); - - if (tp->dev->mtu <= ETH_DATA_LEN) - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); } static void rtl_hw_start_8168c_1(struct rtl8169_private *tp) @@ -4611,9 +4612,6 @@ static void rtl_hw_start_8168e_1(struct rtl8169_private *tp) rtl_ephy_init(tp, e_info_8168e_1); - if (tp->dev->mtu <= ETH_DATA_LEN) - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - rtl_disable_clock_request(tp); /* Reset tx FIFO pointer */ @@ -4636,9 +4634,6 @@ static void rtl_hw_start_8168e_2(struct rtl8169_private *tp) rtl_ephy_init(tp, e_info_8168e_2); - if (tp->dev->mtu <= ETH_DATA_LEN) - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000); rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000); rtl_set_fifo_size(tp, 0x10, 0x10, 0x02, 0x06); @@ -5485,6 +5480,8 @@ static void rtl_hw_start(struct rtl8169_private *tp) rtl_set_rx_tx_desc_registers(tp); rtl_lock_config_regs(tp); + rtl_jumbo_config(tp, tp->dev->mtu); + /* Initially a 10 us delay. Turned it into a PCI commit. - FR */ RTL_R16(tp, CPlusCmd); RTL_W8(tp, ChipCmd, CmdTxEnb | CmdRxEnb); @@ -5498,10 +5495,7 @@ static int rtl8169_change_mtu(struct net_device *dev, int new_mtu) { struct rtl8169_private *tp = netdev_priv(dev); - if (new_mtu > ETH_DATA_LEN) - rtl_hw_jumbo_enable(tp); - else - rtl_hw_jumbo_disable(tp); + rtl_jumbo_config(tp, new_mtu); dev->mtu = new_mtu; netdev_update_features(dev); @@ -7185,8 +7179,11 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dev->gso_max_segs = RTL_GSO_MAX_SEGS_V1; } - /* RTL8168e-vl has a HW issue with TSO */ - if (tp->mac_version == RTL_GIGA_MAC_VER_34) { + /* RTL8168e-vl and one RTL8168c variant are known to have a + * HW issue with TSO. + */ + if (tp->mac_version == RTL_GIGA_MAC_VER_34 || + tp->mac_version == RTL_GIGA_MAC_VER_22) { dev->vlan_features &= ~(NETIF_F_ALL_TSO | NETIF_F_SG); dev->hw_features &= ~(NETIF_F_ALL_TSO | NETIF_F_SG); dev->features &= ~(NETIF_F_ALL_TSO | NETIF_F_SG); diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h index a9c89d5d8898..9f88b5db4f89 100644 --- a/drivers/net/ethernet/renesas/ravb.h +++ b/drivers/net/ethernet/renesas/ravb.h @@ -955,6 +955,8 @@ enum RAVB_QUEUE { #define NUM_RX_QUEUE 2 #define NUM_TX_QUEUE 2 +#define RX_BUF_SZ (2048 - ETH_FCS_LEN + sizeof(__sum16)) + /* TX descriptors per packet */ #define NUM_TX_DESC_GEN2 2 #define NUM_TX_DESC_GEN3 1 @@ -1018,7 +1020,6 @@ struct ravb_private { u32 dirty_rx[NUM_RX_QUEUE]; /* Producer ring indices */ u32 cur_tx[NUM_TX_QUEUE]; u32 dirty_tx[NUM_TX_QUEUE]; - u32 rx_buf_sz; /* Based on MTU+slack. */ struct napi_struct napi[NUM_RX_QUEUE]; struct work_struct work; /* MII transceiver section. */ diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index de9aa8c47f1c..3f165c137236 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -230,7 +230,7 @@ static void ravb_ring_free(struct net_device *ndev, int q) le32_to_cpu(desc->dptr))) dma_unmap_single(ndev->dev.parent, le32_to_cpu(desc->dptr), - priv->rx_buf_sz, + RX_BUF_SZ, DMA_FROM_DEVICE); } ring_size = sizeof(struct ravb_ex_rx_desc) * @@ -293,9 +293,9 @@ static void ravb_ring_format(struct net_device *ndev, int q) for (i = 0; i < priv->num_rx_ring[q]; i++) { /* RX descriptor */ rx_desc = &priv->rx_ring[q][i]; - rx_desc->ds_cc = cpu_to_le16(priv->rx_buf_sz); + rx_desc->ds_cc = cpu_to_le16(RX_BUF_SZ); dma_addr = dma_map_single(ndev->dev.parent, priv->rx_skb[q][i]->data, - priv->rx_buf_sz, + RX_BUF_SZ, DMA_FROM_DEVICE); /* We just set the data size to 0 for a failed mapping which * should prevent DMA from happening... @@ -342,9 +342,6 @@ static int ravb_ring_init(struct net_device *ndev, int q) int ring_size; int i; - priv->rx_buf_sz = (ndev->mtu <= 1492 ? PKT_BUF_SZ : ndev->mtu) + - ETH_HLEN + VLAN_HLEN + sizeof(__sum16); - /* Allocate RX and TX skb rings */ priv->rx_skb[q] = kcalloc(priv->num_rx_ring[q], sizeof(*priv->rx_skb[q]), GFP_KERNEL); @@ -354,7 +351,7 @@ static int ravb_ring_init(struct net_device *ndev, int q) goto error; for (i = 0; i < priv->num_rx_ring[q]; i++) { - skb = netdev_alloc_skb(ndev, priv->rx_buf_sz + RAVB_ALIGN - 1); + skb = netdev_alloc_skb(ndev, RX_BUF_SZ + RAVB_ALIGN - 1); if (!skb) goto error; ravb_set_buffer_align(skb); @@ -584,7 +581,7 @@ static bool ravb_rx(struct net_device *ndev, int *quota, int q) skb = priv->rx_skb[q][entry]; priv->rx_skb[q][entry] = NULL; dma_unmap_single(ndev->dev.parent, le32_to_cpu(desc->dptr), - priv->rx_buf_sz, + RX_BUF_SZ, DMA_FROM_DEVICE); get_ts &= (q == RAVB_NC) ? RAVB_RXTSTAMP_TYPE_V2_L2_EVENT : @@ -617,11 +614,11 @@ static bool ravb_rx(struct net_device *ndev, int *quota, int q) for (; priv->cur_rx[q] - priv->dirty_rx[q] > 0; priv->dirty_rx[q]++) { entry = priv->dirty_rx[q] % priv->num_rx_ring[q]; desc = &priv->rx_ring[q][entry]; - desc->ds_cc = cpu_to_le16(priv->rx_buf_sz); + desc->ds_cc = cpu_to_le16(RX_BUF_SZ); if (!priv->rx_skb[q][entry]) { skb = netdev_alloc_skb(ndev, - priv->rx_buf_sz + + RX_BUF_SZ + RAVB_ALIGN - 1); if (!skb) break; /* Better luck next round. */ @@ -1801,10 +1798,15 @@ static int ravb_do_ioctl(struct net_device *ndev, struct ifreq *req, int cmd) static int ravb_change_mtu(struct net_device *ndev, int new_mtu) { - if (netif_running(ndev)) - return -EBUSY; + struct ravb_private *priv = netdev_priv(ndev); ndev->mtu = new_mtu; + + if (netif_running(ndev)) { + synchronize_irq(priv->emac_irq); + ravb_emac_init(ndev); + } + netdev_update_features(ndev); return 0; diff --git a/drivers/net/ethernet/renesas/ravb_ptp.c b/drivers/net/ethernet/renesas/ravb_ptp.c index 9a42580693cb..6984bd5b7da9 100644 --- a/drivers/net/ethernet/renesas/ravb_ptp.c +++ b/drivers/net/ethernet/renesas/ravb_ptp.c @@ -182,6 +182,13 @@ static int ravb_ptp_extts(struct ptp_clock_info *ptp, struct net_device *ndev = priv->ndev; unsigned long flags; + /* Reject requests with unsupported flags */ + if (req->flags & ~(PTP_ENABLE_FEATURE | + PTP_RISING_EDGE | + PTP_FALLING_EDGE | + PTP_STRICT_FLAGS)) + return -EOPNOTSUPP; + if (req->index) return -EINVAL; @@ -211,6 +218,10 @@ static int ravb_ptp_perout(struct ptp_clock_info *ptp, unsigned long flags; int error = 0; + /* Reject requests with unsupported flags */ + if (req->flags) + return -EOPNOTSUPP; + if (req->index) return -EINVAL; diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c index 02ed6d1b716c..af15a737c675 100644 --- a/drivers/net/ethernet/sfc/ptp.c +++ b/drivers/net/ethernet/sfc/ptp.c @@ -1531,7 +1531,8 @@ void efx_ptp_remove(struct efx_nic *efx) (void)efx_ptp_disable(efx); cancel_work_sync(&efx->ptp_data->work); - cancel_work_sync(&efx->ptp_data->pps_work); + if (efx->ptp_data->pps_workwq) + cancel_work_sync(&efx->ptp_data->pps_work); skb_queue_purge(&efx->ptp_data->rxq); skb_queue_purge(&efx->ptp_data->txq); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c index f97a4096f8fc..6e47be63a43c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c @@ -651,7 +651,8 @@ static void sun8i_dwmac_set_filter(struct mac_device_info *hw, } } } else { - netdev_info(dev, "Too many address, switching to promiscuous\n"); + if (!(readl(ioaddr + EMAC_RX_FRM_FLT) & EMAC_FRM_FLT_RXALL)) + netdev_info(dev, "Too many address, switching to promiscuous\n"); v = EMAC_FRM_FLT_RXALL; } @@ -1225,7 +1226,7 @@ static int sun8i_dwmac_probe(struct platform_device *pdev) dwmac_mux: sun8i_dwmac_unset_syscon(gmac); dwmac_exit: - sun8i_dwmac_exit(pdev, plat_dat->bsp_priv); + stmmac_pltfr_remove(pdev); return ret; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 2cb9c53f93b8..66e60c7e9850 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -432,7 +432,7 @@ static void dwmac4_set_filter(struct mac_device_info *hw, * bits used depends on the hardware configuration * selected at core configuration time. */ - int bit_nr = bitrev32(~crc32_le(~0, ha->addr, + u32 bit_nr = bitrev32(~crc32_le(~0, ha->addr, ETH_ALEN)) >> (32 - mcbitslog2); /* The most significant bit determines the register to * use (H/L) while the other 5 bits determine the bit @@ -448,7 +448,7 @@ static void dwmac4_set_filter(struct mac_device_info *hw, value |= GMAC_PACKET_FILTER_HPF; /* Handle multiple unicast addresses */ - if (netdev_uc_count(dev) > GMAC_MAX_PERFECT_ADDRESSES) { + if (netdev_uc_count(dev) > hw->unicast_filter_entries) { /* Switch to promiscuous mode if more than 128 addrs * are required */ diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c index 3f4f3132e16b..e436fa160c7d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c @@ -515,6 +515,7 @@ int dwmac5_flex_pps_config(void __iomem *ioaddr, int index, if (!enable) { val |= PPSCMDx(index, 0x5); + val |= PPSEN0; writel(val, ioaddr + MAC_PPS_CONTROL); return 0; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.h b/drivers/net/ethernet/stmicro/stmmac/dwmac5.h index 775db776b3cc..23fecf68f781 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ // Copyright (c) 2017 Synopsys, Inc. and/or its affiliates. // stmmac Support for 5.xx Ethernet QoS cores diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h index 99037386080a..9d08a934fe4f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ /* * Copyright (c) 2018 Synopsys, Inc. and/or its affiliates. * stmmac XGMAC definitions. diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c index 5031398e612c..070bd7d1ae4c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c @@ -224,6 +224,7 @@ static void dwxgmac2_config_cbs(struct mac_device_info *hw, writel(low_credit, ioaddr + XGMAC_MTL_TCx_LOCREDIT(queue)); value = readl(ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(queue)); + value &= ~XGMAC_TSA; value |= XGMAC_CC | XGMAC_CBS; writel(value, ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(queue)); } @@ -463,7 +464,7 @@ static void dwxgmac2_set_filter(struct mac_device_info *hw, value |= XGMAC_FILTER_HMC; netdev_for_each_mc_addr(ha, dev) { - int nr = (bitrev32(~crc32_le(~0, ha->addr, 6)) >> + u32 nr = (bitrev32(~crc32_le(~0, ha->addr, 6)) >> (32 - mcbitslog2)); mc_filter[nr >> 5] |= (1 << (nr & 0x1F)); } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c index ae48154f933c..bd5838ce1e8a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c @@ -288,7 +288,8 @@ static int dwxgmac2_get_rx_hash(struct dma_desc *p, u32 *hash, static int dwxgmac2_get_rx_header_len(struct dma_desc *p, unsigned int *len) { - *len = le32_to_cpu(p->des2) & XGMAC_RDES2_HL; + if (le32_to_cpu(p->des3) & XGMAC_RDES3_L34T) + *len = le32_to_cpu(p->des2) & XGMAC_RDES2_HL; return 0; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c index 965cbe3e6f51..f70ca5300b82 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c @@ -369,7 +369,7 @@ static void dwxgmac2_get_hw_feature(void __iomem *ioaddr, dma_cap->eee = (hw_cap & XGMAC_HWFEAT_EEESEL) >> 13; dma_cap->atime_stamp = (hw_cap & XGMAC_HWFEAT_TSSEL) >> 12; dma_cap->av = (hw_cap & XGMAC_HWFEAT_AVSEL) >> 11; - dma_cap->av &= !(hw_cap & XGMAC_HWFEAT_RAVSEL) >> 10; + dma_cap->av &= !((hw_cap & XGMAC_HWFEAT_RAVSEL) >> 10); dma_cap->arpoffsel = (hw_cap & XGMAC_HWFEAT_ARPOFFSEL) >> 9; dma_cap->rmon = (hw_cap & XGMAC_HWFEAT_MMCSEL) >> 8; dma_cap->pmt_magic_frame = (hw_cap & XGMAC_HWFEAT_MGKSEL) >> 7; @@ -470,6 +470,7 @@ static void dwxgmac2_enable_tso(void __iomem *ioaddr, bool en, u32 chan) static void dwxgmac2_qmode(void __iomem *ioaddr, u32 channel, u8 qmode) { u32 value = readl(ioaddr + XGMAC_MTL_TXQ_OPMODE(channel)); + u32 flow = readl(ioaddr + XGMAC_RX_FLOW_CTRL); value &= ~XGMAC_TXQEN; if (qmode != MTL_QUEUE_AVB) { @@ -477,6 +478,7 @@ static void dwxgmac2_qmode(void __iomem *ioaddr, u32 channel, u8 qmode) writel(0, ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(channel)); } else { value |= 0x1 << XGMAC_TXQEN_SHIFT; + writel(flow & (~XGMAC_RFE), ioaddr + XGMAC_RX_FLOW_CTRL); } writel(value, ioaddr + XGMAC_MTL_TXQ_OPMODE(channel)); diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h index ddb851d99618..9010d881b12e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/hwif.h +++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ // Copyright (c) 2018 Synopsys, Inc. and/or its affiliates. // stmmac HW Interface Callbacks diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c index a223584f5f9a..252cf48c5816 100644 --- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c @@ -176,6 +176,7 @@ #define MMC_XGMAC_RX_PKT_SMD_ERR 0x22c #define MMC_XGMAC_RX_PKT_ASSEMBLY_OK 0x230 #define MMC_XGMAC_RX_FPE_FRAG 0x234 +#define MMC_XGMAC_RX_IPC_INTR_MASK 0x25c static void dwmac_mmc_ctrl(void __iomem *mmcaddr, unsigned int mode) { @@ -333,8 +334,9 @@ static void dwxgmac_mmc_ctrl(void __iomem *mmcaddr, unsigned int mode) static void dwxgmac_mmc_intr_all_mask(void __iomem *mmcaddr) { - writel(MMC_DEFAULT_MASK, mmcaddr + MMC_RX_INTR_MASK); - writel(MMC_DEFAULT_MASK, mmcaddr + MMC_TX_INTR_MASK); + writel(0x0, mmcaddr + MMC_RX_INTR_MASK); + writel(0x0, mmcaddr + MMC_TX_INTR_MASK); + writel(MMC_DEFAULT_MASK, mmcaddr + MMC_XGMAC_RX_IPC_INTR_MASK); } static void dwxgmac_read_mmc_reg(void __iomem *addr, u32 reg, u32 *dest) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index c76a1336a451..f826365c979d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2610,7 +2610,7 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp) } if (priv->hw->pcs) - stmmac_pcs_ctrl_ane(priv, priv->hw, 1, priv->hw->ps, 0); + stmmac_pcs_ctrl_ane(priv, priv->ioaddr, 1, priv->hw->ps, 0); /* set TX and RX rings length */ stmmac_set_rings_length(priv); @@ -2995,6 +2995,8 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev) } else { stmmac_set_desc_addr(priv, first, des); tmp_pay_len = pay_len; + des += proto_hdr_len; + pay_len = 0; } stmmac_tso_allocator(priv, des, tmp_pay_len, (nfrags == 0), queue); @@ -3022,6 +3024,19 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev) /* Only the last descriptor gets to point to the skb. */ tx_q->tx_skbuff[tx_q->cur_tx] = skb; + /* Manage tx mitigation */ + tx_q->tx_count_frames += nfrags + 1; + if (likely(priv->tx_coal_frames > tx_q->tx_count_frames) && + !((skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) && + priv->hwts_tx_en)) { + stmmac_tx_timer_arm(priv, queue); + } else { + desc = &tx_q->dma_tx[tx_q->cur_tx]; + tx_q->tx_count_frames = 0; + stmmac_set_tx_ic(priv, desc); + priv->xstats.tx_set_ic_bit++; + } + /* We've used all descriptors we need for this skb, however, * advance cur_tx so that it references a fresh descriptor. * ndo_start_xmit will fill this descriptor the next time it's @@ -3039,19 +3054,6 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev) priv->xstats.tx_tso_frames++; priv->xstats.tx_tso_nfrags += nfrags; - /* Manage tx mitigation */ - tx_q->tx_count_frames += nfrags + 1; - if (likely(priv->tx_coal_frames > tx_q->tx_count_frames) && - !(priv->synopsys_id >= DWMAC_CORE_4_00 && - (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) && - priv->hwts_tx_en)) { - stmmac_tx_timer_arm(priv, queue); - } else { - tx_q->tx_count_frames = 0; - stmmac_set_tx_ic(priv, desc); - priv->xstats.tx_set_ic_bit++; - } - if (priv->sarc_type) stmmac_set_desc_sarc(priv, first, priv->sarc_type); @@ -3223,6 +3225,27 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) /* Only the last descriptor gets to point to the skb. */ tx_q->tx_skbuff[entry] = skb; + /* According to the coalesce parameter the IC bit for the latest + * segment is reset and the timer re-started to clean the tx status. + * This approach takes care about the fragments: desc is the first + * element in case of no SG. + */ + tx_q->tx_count_frames += nfrags + 1; + if (likely(priv->tx_coal_frames > tx_q->tx_count_frames) && + !((skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) && + priv->hwts_tx_en)) { + stmmac_tx_timer_arm(priv, queue); + } else { + if (likely(priv->extend_desc)) + desc = &tx_q->dma_etx[entry].basic; + else + desc = &tx_q->dma_tx[entry]; + + tx_q->tx_count_frames = 0; + stmmac_set_tx_ic(priv, desc); + priv->xstats.tx_set_ic_bit++; + } + /* We've used all descriptors we need for this skb, however, * advance cur_tx so that it references a fresh descriptor. * ndo_start_xmit will fill this descriptor the next time it's @@ -3258,23 +3281,6 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) dev->stats.tx_bytes += skb->len; - /* According to the coalesce parameter the IC bit for the latest - * segment is reset and the timer re-started to clean the tx status. - * This approach takes care about the fragments: desc is the first - * element in case of no SG. - */ - tx_q->tx_count_frames += nfrags + 1; - if (likely(priv->tx_coal_frames > tx_q->tx_count_frames) && - !(priv->synopsys_id >= DWMAC_CORE_4_00 && - (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) && - priv->hwts_tx_en)) { - stmmac_tx_timer_arm(priv, queue); - } else { - tx_q->tx_count_frames = 0; - stmmac_set_tx_ic(priv, desc); - priv->xstats.tx_set_ic_bit++; - } - if (priv->sarc_type) stmmac_set_desc_sarc(priv, first, priv->sarc_type); @@ -3505,8 +3511,6 @@ read_again: if (unlikely(status & dma_own)) break; - count++; - rx_q->cur_rx = STMMAC_GET_ENTRY(rx_q->cur_rx, DMA_RX_SIZE); next_entry = rx_q->cur_rx; @@ -3533,6 +3537,7 @@ read_again: goto read_again; if (unlikely(error)) { dev_kfree_skb(skb); + count++; continue; } @@ -3572,6 +3577,7 @@ read_again: skb = napi_alloc_skb(&ch->rx_napi, len); if (!skb) { priv->dev->stats.rx_dropped++; + count++; continue; } @@ -3637,6 +3643,7 @@ read_again: priv->dev->stats.rx_packets++; priv->dev->stats.rx_bytes += len; + count++; } if (status & rx_not_ls) { @@ -4742,8 +4749,10 @@ int stmmac_suspend(struct device *dev) stmmac_mac_set(priv, priv->ioaddr, false); pinctrl_pm_select_sleep_state(priv->device); /* Disable clock in case of PWM is off */ - clk_disable(priv->plat->pclk); - clk_disable(priv->plat->stmmac_clk); + if (priv->plat->clk_ptp_ref) + clk_disable_unprepare(priv->plat->clk_ptp_ref); + clk_disable_unprepare(priv->plat->pclk); + clk_disable_unprepare(priv->plat->stmmac_clk); } mutex_unlock(&priv->lock); @@ -4806,8 +4815,10 @@ int stmmac_resume(struct device *dev) } else { pinctrl_pm_select_default_state(priv->device); /* enable the clk previously disabled */ - clk_enable(priv->plat->stmmac_clk); - clk_enable(priv->plat->pclk); + clk_prepare_enable(priv->plat->stmmac_clk); + clk_prepare_enable(priv->plat->pclk); + if (priv->plat->clk_ptp_ref) + clk_prepare_enable(priv->plat->clk_ptp_ref); /* reset the phy so that it's ready */ if (priv->mii) stmmac_mdio_reset(priv->mii); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c index 173493db038c..0989e2bb6ee3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c @@ -140,6 +140,10 @@ static int stmmac_enable(struct ptp_clock_info *ptp, switch (rq->type) { case PTP_CLK_REQ_PEROUT: + /* Reject requests with unsupported flags */ + if (rq->perout.flags) + return -EOPNOTSUPP; + cfg = &priv->pps[rq->perout.index]; cfg->start.tv_sec = rq->perout.start.sec; @@ -164,7 +168,7 @@ static int stmmac_enable(struct ptp_clock_info *ptp, /* structure describing a PTP hardware clock */ static struct ptp_clock_info stmmac_ptp_clock_ops = { .owner = THIS_MODULE, - .name = "stmmac_ptp_clock", + .name = "stmmac ptp", .max_adj = 62500000, .n_alarm = 0, .n_ext_ts = 0, diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c index cc76a42c7466..ac3f658105c0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c @@ -6,7 +6,9 @@ * Author: Jose Abreu <joabreu@synopsys.com> */ +#include <linux/bitrev.h> #include <linux/completion.h> +#include <linux/crc32.h> #include <linux/ethtool.h> #include <linux/ip.h> #include <linux/phy.h> @@ -485,17 +487,66 @@ static int stmmac_filter_check(struct stmmac_priv *priv) return -EOPNOTSUPP; } +static bool stmmac_hash_check(struct stmmac_priv *priv, unsigned char *addr) +{ + int mc_offset = 32 - priv->hw->mcast_bits_log2; + struct netdev_hw_addr *ha; + u32 hash, hash_nr; + + /* First compute the hash for desired addr */ + hash = bitrev32(~crc32_le(~0, addr, 6)) >> mc_offset; + hash_nr = hash >> 5; + hash = 1 << (hash & 0x1f); + + /* Now, check if it collides with any existing one */ + netdev_for_each_mc_addr(ha, priv->dev) { + u32 nr = bitrev32(~crc32_le(~0, ha->addr, ETH_ALEN)) >> mc_offset; + if (((nr >> 5) == hash_nr) && ((1 << (nr & 0x1f)) == hash)) + return false; + } + + /* No collisions, address is good to go */ + return true; +} + +static bool stmmac_perfect_check(struct stmmac_priv *priv, unsigned char *addr) +{ + struct netdev_hw_addr *ha; + + /* Check if it collides with any existing one */ + netdev_for_each_uc_addr(ha, priv->dev) { + if (!memcmp(ha->addr, addr, ETH_ALEN)) + return false; + } + + /* No collisions, address is good to go */ + return true; +} + static int stmmac_test_hfilt(struct stmmac_priv *priv) { - unsigned char gd_addr[ETH_ALEN] = {0x01, 0x00, 0xcc, 0xcc, 0xdd, 0xdd}; - unsigned char bd_addr[ETH_ALEN] = {0x09, 0x00, 0xaa, 0xaa, 0xbb, 0xbb}; + unsigned char gd_addr[ETH_ALEN] = {0xf1, 0xee, 0xdd, 0xcc, 0xbb, 0xaa}; + unsigned char bd_addr[ETH_ALEN] = {0xf1, 0xff, 0xff, 0xff, 0xff, 0xff}; struct stmmac_packet_attrs attr = { }; - int ret; + int ret, tries = 256; ret = stmmac_filter_check(priv); if (ret) return ret; + if (netdev_mc_count(priv->dev) >= priv->hw->multicast_filter_bins) + return -EOPNOTSUPP; + + while (--tries) { + /* We only need to check the bd_addr for collisions */ + bd_addr[ETH_ALEN - 1] = tries; + if (stmmac_hash_check(priv, bd_addr)) + break; + } + + if (!tries) + return -EOPNOTSUPP; + ret = dev_mc_add(priv->dev, gd_addr); if (ret) return ret; @@ -520,13 +571,25 @@ cleanup: static int stmmac_test_pfilt(struct stmmac_priv *priv) { - unsigned char gd_addr[ETH_ALEN] = {0x00, 0x01, 0x44, 0x55, 0x66, 0x77}; - unsigned char bd_addr[ETH_ALEN] = {0x08, 0x00, 0x22, 0x33, 0x44, 0x55}; + unsigned char gd_addr[ETH_ALEN] = {0xf0, 0x01, 0x44, 0x55, 0x66, 0x77}; + unsigned char bd_addr[ETH_ALEN] = {0xf0, 0xff, 0xff, 0xff, 0xff, 0xff}; struct stmmac_packet_attrs attr = { }; - int ret; + int ret, tries = 256; if (stmmac_filter_check(priv)) return -EOPNOTSUPP; + if (netdev_uc_count(priv->dev) >= priv->hw->unicast_filter_entries) + return -EOPNOTSUPP; + + while (--tries) { + /* We only need to check the bd_addr for collisions */ + bd_addr[ETH_ALEN - 1] = tries; + if (stmmac_perfect_check(priv, bd_addr)) + break; + } + + if (!tries) + return -EOPNOTSUPP; ret = dev_uc_add(priv->dev, gd_addr); if (ret) @@ -550,37 +613,31 @@ cleanup: return ret; } -static int stmmac_dummy_sync(struct net_device *netdev, const u8 *addr) -{ - return 0; -} - -static void stmmac_test_set_rx_mode(struct net_device *netdev) -{ - /* As we are in test mode of ethtool we already own the rtnl lock - * so no address will change from user. We can just call the - * ndo_set_rx_mode() callback directly */ - if (netdev->netdev_ops->ndo_set_rx_mode) - netdev->netdev_ops->ndo_set_rx_mode(netdev); -} - static int stmmac_test_mcfilt(struct stmmac_priv *priv) { - unsigned char uc_addr[ETH_ALEN] = {0x00, 0x01, 0x44, 0x55, 0x66, 0x77}; - unsigned char mc_addr[ETH_ALEN] = {0x01, 0x01, 0x44, 0x55, 0x66, 0x77}; + unsigned char uc_addr[ETH_ALEN] = {0xf0, 0xff, 0xff, 0xff, 0xff, 0xff}; + unsigned char mc_addr[ETH_ALEN] = {0xf1, 0xff, 0xff, 0xff, 0xff, 0xff}; struct stmmac_packet_attrs attr = { }; - int ret; + int ret, tries = 256; if (stmmac_filter_check(priv)) return -EOPNOTSUPP; + if (netdev_uc_count(priv->dev) >= priv->hw->unicast_filter_entries) + return -EOPNOTSUPP; + + while (--tries) { + /* We only need to check the mc_addr for collisions */ + mc_addr[ETH_ALEN - 1] = tries; + if (stmmac_hash_check(priv, mc_addr)) + break; + } - /* Remove all MC addresses */ - __dev_mc_unsync(priv->dev, NULL); - stmmac_test_set_rx_mode(priv->dev); + if (!tries) + return -EOPNOTSUPP; ret = dev_uc_add(priv->dev, uc_addr); if (ret) - goto cleanup; + return ret; attr.dst = uc_addr; @@ -597,28 +654,34 @@ static int stmmac_test_mcfilt(struct stmmac_priv *priv) cleanup: dev_uc_del(priv->dev, uc_addr); - __dev_mc_sync(priv->dev, stmmac_dummy_sync, NULL); - stmmac_test_set_rx_mode(priv->dev); return ret; } static int stmmac_test_ucfilt(struct stmmac_priv *priv) { - unsigned char uc_addr[ETH_ALEN] = {0x00, 0x01, 0x44, 0x55, 0x66, 0x77}; - unsigned char mc_addr[ETH_ALEN] = {0x01, 0x01, 0x44, 0x55, 0x66, 0x77}; + unsigned char uc_addr[ETH_ALEN] = {0xf0, 0xff, 0xff, 0xff, 0xff, 0xff}; + unsigned char mc_addr[ETH_ALEN] = {0xf1, 0xff, 0xff, 0xff, 0xff, 0xff}; struct stmmac_packet_attrs attr = { }; - int ret; + int ret, tries = 256; if (stmmac_filter_check(priv)) return -EOPNOTSUPP; + if (netdev_mc_count(priv->dev) >= priv->hw->multicast_filter_bins) + return -EOPNOTSUPP; - /* Remove all UC addresses */ - __dev_uc_unsync(priv->dev, NULL); - stmmac_test_set_rx_mode(priv->dev); + while (--tries) { + /* We only need to check the uc_addr for collisions */ + uc_addr[ETH_ALEN - 1] = tries; + if (stmmac_perfect_check(priv, uc_addr)) + break; + } + + if (!tries) + return -EOPNOTSUPP; ret = dev_mc_add(priv->dev, mc_addr); if (ret) - goto cleanup; + return ret; attr.dst = mc_addr; @@ -635,8 +698,6 @@ static int stmmac_test_ucfilt(struct stmmac_priv *priv) cleanup: dev_mc_del(priv->dev, mc_addr); - __dev_uc_sync(priv->dev, stmmac_dummy_sync, NULL); - stmmac_test_set_rx_mode(priv->dev); return ret; } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c index e231098061b6..f9a9a9d82233 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -510,7 +510,7 @@ static struct stmmac_flow_entry *tc_find_flow(struct stmmac_priv *priv, return NULL; } -struct { +static struct { int (*fn)(struct stmmac_priv *priv, struct flow_cls_offload *cls, struct stmmac_flow_entry *entry); } tc_flow_parsers[] = { diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c index a65edd2770e6..37ba708ac781 100644 --- a/drivers/net/ethernet/ti/davinci_cpdma.c +++ b/drivers/net/ethernet/ti/davinci_cpdma.c @@ -722,7 +722,7 @@ static void cpdma_chan_set_descs(struct cpdma_ctlr *ctlr, * cpdma_chan_split_pool - Splits ctrl pool between all channels. * Has to be called under ctlr lock */ -int cpdma_chan_split_pool(struct cpdma_ctlr *ctlr) +static int cpdma_chan_split_pool(struct cpdma_ctlr *ctlr) { int tx_per_ch_desc = 0, rx_per_ch_desc = 0; int free_rx_num = 0, free_tx_num = 0; diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c index bbbc1dcb6ab5..b517c1af9de0 100644 --- a/drivers/net/fjes/fjes_main.c +++ b/drivers/net/fjes/fjes_main.c @@ -1237,8 +1237,17 @@ static int fjes_probe(struct platform_device *plat_dev) adapter->open_guard = false; adapter->txrx_wq = alloc_workqueue(DRV_NAME "/txrx", WQ_MEM_RECLAIM, 0); + if (unlikely(!adapter->txrx_wq)) { + err = -ENOMEM; + goto err_free_netdev; + } + adapter->control_wq = alloc_workqueue(DRV_NAME "/control", WQ_MEM_RECLAIM, 0); + if (unlikely(!adapter->control_wq)) { + err = -ENOMEM; + goto err_free_txrx_wq; + } INIT_WORK(&adapter->tx_stall_task, fjes_tx_stall_task); INIT_WORK(&adapter->raise_intr_rxdata_task, @@ -1255,7 +1264,7 @@ static int fjes_probe(struct platform_device *plat_dev) hw->hw_res.irq = platform_get_irq(plat_dev, 0); err = fjes_hw_init(&adapter->hw); if (err) - goto err_free_netdev; + goto err_free_control_wq; /* setup MAC address (02:00:00:00:00:[epid])*/ netdev->dev_addr[0] = 2; @@ -1277,6 +1286,10 @@ static int fjes_probe(struct platform_device *plat_dev) err_hw_exit: fjes_hw_exit(&adapter->hw); +err_free_control_wq: + destroy_workqueue(adapter->control_wq); +err_free_txrx_wq: + destroy_workqueue(adapter->txrx_wq); err_free_netdev: free_netdev(netdev); err_out: diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c index fbec711ff514..fbea6f232819 100644 --- a/drivers/net/hamradio/bpqether.c +++ b/drivers/net/hamradio/bpqether.c @@ -107,27 +107,6 @@ struct bpqdev { static LIST_HEAD(bpq_devices); -/* - * bpqether network devices are paired with ethernet devices below them, so - * form a special "super class" of normal ethernet devices; split their locks - * off into a separate class since they always nest. - */ -static struct lock_class_key bpq_netdev_xmit_lock_key; -static struct lock_class_key bpq_netdev_addr_lock_key; - -static void bpq_set_lockdep_class_one(struct net_device *dev, - struct netdev_queue *txq, - void *_unused) -{ - lockdep_set_class(&txq->_xmit_lock, &bpq_netdev_xmit_lock_key); -} - -static void bpq_set_lockdep_class(struct net_device *dev) -{ - lockdep_set_class(&dev->addr_list_lock, &bpq_netdev_addr_lock_key); - netdev_for_each_tx_queue(dev, bpq_set_lockdep_class_one, NULL); -} - /* ------------------------------------------------------------------------ */ @@ -498,7 +477,6 @@ static int bpq_new_device(struct net_device *edev) err = register_netdevice(ndev); if (err) goto error; - bpq_set_lockdep_class(ndev); /* List protected by RTNL */ list_add_rcu(&bpq->bpq_list, &bpq_devices); diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 670ef682f268..fb547f37af1e 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -609,7 +609,8 @@ struct nvsp_5_send_indirect_table { /* The number of entries in the send indirection table */ u32 count; - /* The offset of the send indirection table from top of this struct. + /* The offset of the send indirection table from the beginning of + * struct nvsp_message. * The send indirection table tells which channel to put the send * traffic on. Each entry is a channel number. */ diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index d22a36fc7a7c..eab83e71567a 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -1178,20 +1178,39 @@ static int netvsc_receive(struct net_device *ndev, } static void netvsc_send_table(struct net_device *ndev, - const struct nvsp_message *nvmsg) + struct netvsc_device *nvscdev, + const struct nvsp_message *nvmsg, + u32 msglen) { struct net_device_context *net_device_ctx = netdev_priv(ndev); - u32 count, *tab; + u32 count, offset, *tab; int i; count = nvmsg->msg.v5_msg.send_table.count; + offset = nvmsg->msg.v5_msg.send_table.offset; + if (count != VRSS_SEND_TAB_SIZE) { netdev_err(ndev, "Received wrong send-table size:%u\n", count); return; } - tab = (u32 *)((unsigned long)&nvmsg->msg.v5_msg.send_table + - nvmsg->msg.v5_msg.send_table.offset); + /* If negotiated version <= NVSP_PROTOCOL_VERSION_6, the offset may be + * wrong due to a host bug. So fix the offset here. + */ + if (nvscdev->nvsp_version <= NVSP_PROTOCOL_VERSION_6 && + msglen >= sizeof(struct nvsp_message_header) + + sizeof(union nvsp_6_message_uber) + count * sizeof(u32)) + offset = sizeof(struct nvsp_message_header) + + sizeof(union nvsp_6_message_uber); + + /* Boundary check for all versions */ + if (offset > msglen - count * sizeof(u32)) { + netdev_err(ndev, "Received send-table offset too big:%u\n", + offset); + return; + } + + tab = (void *)nvmsg + offset; for (i = 0; i < count; i++) net_device_ctx->tx_table[i] = tab[i]; @@ -1209,12 +1228,14 @@ static void netvsc_send_vf(struct net_device *ndev, net_device_ctx->vf_alloc ? "added" : "removed"); } -static void netvsc_receive_inband(struct net_device *ndev, - const struct nvsp_message *nvmsg) +static void netvsc_receive_inband(struct net_device *ndev, + struct netvsc_device *nvscdev, + const struct nvsp_message *nvmsg, + u32 msglen) { switch (nvmsg->hdr.msg_type) { case NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE: - netvsc_send_table(ndev, nvmsg); + netvsc_send_table(ndev, nvscdev, nvmsg, msglen); break; case NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION: @@ -1232,6 +1253,7 @@ static int netvsc_process_raw_pkt(struct hv_device *device, { struct vmbus_channel *channel = nvchan->channel; const struct nvsp_message *nvmsg = hv_pkt_data(desc); + u32 msglen = hv_pkt_datalen(desc); trace_nvsp_recv(ndev, channel, nvmsg); @@ -1247,7 +1269,7 @@ static int netvsc_process_raw_pkt(struct hv_device *device, break; case VM_PKT_DATA_INBAND: - netvsc_receive_inband(ndev, nvmsg); + netvsc_receive_inband(ndev, net_device, nvmsg, msglen); break; default: diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 39dddcd8b3cb..963509add611 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -982,7 +982,7 @@ static int netvsc_attach(struct net_device *ndev, if (netif_running(ndev)) { ret = rndis_filter_open(nvdev); if (ret) - return ret; + goto err; rdev = nvdev->extension; if (!rdev->link_state) @@ -990,6 +990,13 @@ static int netvsc_attach(struct net_device *ndev, } return 0; + +err: + netif_device_detach(ndev); + + rndis_filter_device_remove(hdev, nvdev); + + return ret; } static int netvsc_set_channels(struct net_device *net, @@ -1807,8 +1814,10 @@ static int netvsc_set_features(struct net_device *ndev, ret = rndis_filter_set_offload_params(ndev, nvdev, &offloads); - if (ret) + if (ret) { features ^= NETIF_F_LRO; + ndev->features = features; + } syncvf: if (!vf_netdev) @@ -2335,8 +2344,6 @@ static int netvsc_probe(struct hv_device *dev, NETIF_F_HW_VLAN_CTAG_RX; net->vlan_features = net->features; - netdev_lockdep_set_classes(net); - /* MTU range: 68 - 1500 or 65521 */ net->min_mtu = NETVSC_MTU_MIN; if (nvdev->nvsp_version >= NVSP_PROTOCOL_VERSION_2) diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c index 887bbba4631e..ba3dfac1d904 100644 --- a/drivers/net/ipvlan/ipvlan_main.c +++ b/drivers/net/ipvlan/ipvlan_main.c @@ -131,8 +131,6 @@ static int ipvlan_init(struct net_device *dev) dev->gso_max_segs = phy_dev->gso_max_segs; dev->hard_header_len = phy_dev->hard_header_len; - netdev_lockdep_set_classes(dev); - ipvlan->pcpu_stats = netdev_alloc_pcpu_stats(struct ipvl_pcpu_stats); if (!ipvlan->pcpu_stats) return -ENOMEM; diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index cb7637364b40..afd8b2a08245 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -267,7 +267,6 @@ struct macsec_dev { struct pcpu_secy_stats __percpu *stats; struct list_head secys; struct gro_cells gro_cells; - unsigned int nest_level; }; /** @@ -2750,7 +2749,6 @@ static netdev_tx_t macsec_start_xmit(struct sk_buff *skb, #define MACSEC_FEATURES \ (NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST) -static struct lock_class_key macsec_netdev_addr_lock_key; static int macsec_dev_init(struct net_device *dev) { @@ -2958,11 +2956,6 @@ static int macsec_get_iflink(const struct net_device *dev) return macsec_priv(dev)->real_dev->ifindex; } -static int macsec_get_nest_level(struct net_device *dev) -{ - return macsec_priv(dev)->nest_level; -} - static const struct net_device_ops macsec_netdev_ops = { .ndo_init = macsec_dev_init, .ndo_uninit = macsec_dev_uninit, @@ -2976,7 +2969,6 @@ static const struct net_device_ops macsec_netdev_ops = { .ndo_start_xmit = macsec_start_xmit, .ndo_get_stats64 = macsec_get_stats64, .ndo_get_iflink = macsec_get_iflink, - .ndo_get_lock_subclass = macsec_get_nest_level, }; static const struct device_type macsec_type = { @@ -3001,12 +2993,10 @@ static const struct nla_policy macsec_rtnl_policy[IFLA_MACSEC_MAX + 1] = { static void macsec_free_netdev(struct net_device *dev) { struct macsec_dev *macsec = macsec_priv(dev); - struct net_device *real_dev = macsec->real_dev; free_percpu(macsec->stats); free_percpu(macsec->secy.tx_sc.stats); - dev_put(real_dev); } static void macsec_setup(struct net_device *dev) @@ -3261,14 +3251,6 @@ static int macsec_newlink(struct net *net, struct net_device *dev, if (err < 0) return err; - dev_hold(real_dev); - - macsec->nest_level = dev_get_nest_level(real_dev) + 1; - netdev_lockdep_set_classes(dev); - lockdep_set_class_and_subclass(&dev->addr_list_lock, - &macsec_netdev_addr_lock_key, - macsec_get_nest_level(dev)); - err = netdev_upper_dev_link(real_dev, dev, extack); if (err < 0) goto unregister; diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 940192c057b6..34fc59bd1e20 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -852,8 +852,6 @@ static int macvlan_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) * "super class" of normal network devices; split their locks off into a * separate class since they always nest. */ -static struct lock_class_key macvlan_netdev_addr_lock_key; - #define ALWAYS_ON_OFFLOADS \ (NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_GSO_SOFTWARE | \ NETIF_F_GSO_ROBUST | NETIF_F_GSO_ENCAP_ALL) @@ -869,19 +867,6 @@ static struct lock_class_key macvlan_netdev_addr_lock_key; #define MACVLAN_STATE_MASK \ ((1<<__LINK_STATE_NOCARRIER) | (1<<__LINK_STATE_DORMANT)) -static int macvlan_get_nest_level(struct net_device *dev) -{ - return ((struct macvlan_dev *)netdev_priv(dev))->nest_level; -} - -static void macvlan_set_lockdep_class(struct net_device *dev) -{ - netdev_lockdep_set_classes(dev); - lockdep_set_class_and_subclass(&dev->addr_list_lock, - &macvlan_netdev_addr_lock_key, - macvlan_get_nest_level(dev)); -} - static int macvlan_init(struct net_device *dev) { struct macvlan_dev *vlan = netdev_priv(dev); @@ -900,8 +885,6 @@ static int macvlan_init(struct net_device *dev) dev->gso_max_segs = lowerdev->gso_max_segs; dev->hard_header_len = lowerdev->hard_header_len; - macvlan_set_lockdep_class(dev); - vlan->pcpu_stats = netdev_alloc_pcpu_stats(struct vlan_pcpu_stats); if (!vlan->pcpu_stats) return -ENOMEM; @@ -1161,7 +1144,6 @@ static const struct net_device_ops macvlan_netdev_ops = { .ndo_fdb_add = macvlan_fdb_add, .ndo_fdb_del = macvlan_fdb_del, .ndo_fdb_dump = ndo_dflt_fdb_dump, - .ndo_get_lock_subclass = macvlan_get_nest_level, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = macvlan_dev_poll_controller, .ndo_netpoll_setup = macvlan_dev_netpoll_setup, @@ -1445,7 +1427,6 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, vlan->dev = dev; vlan->port = port; vlan->set_features = MACVLAN_FEATURES; - vlan->nest_level = dev_get_nest_level(lowerdev) + 1; vlan->mode = MACVLAN_MODE_VEPA; if (data && data[IFLA_MACVLAN_MODE]) diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c index 56576d4f34a5..44c2d857a7fa 100644 --- a/drivers/net/netdevsim/dev.c +++ b/drivers/net/netdevsim/dev.c @@ -708,6 +708,7 @@ nsim_dev_create(struct nsim_bus_dev *nsim_bus_dev, unsigned int port_count) goto err_debugfs_exit; devlink_params_publish(devlink); + devlink_reload_enable(devlink); return nsim_dev; err_debugfs_exit: @@ -732,6 +733,7 @@ static void nsim_dev_destroy(struct nsim_dev *nsim_dev) { struct devlink *devlink = priv_to_devlink(nsim_dev); + devlink_reload_disable(devlink); nsim_bpf_dev_exit(nsim_dev); nsim_dev_debugfs_exit(nsim_dev); nsim_dev_traps_exit(devlink); @@ -806,9 +808,11 @@ static void nsim_dev_port_del_all(struct nsim_dev *nsim_dev) { struct nsim_dev_port *nsim_dev_port, *tmp; + mutex_lock(&nsim_dev->port_list_lock); list_for_each_entry_safe(nsim_dev_port, tmp, &nsim_dev->port_list, list) __nsim_dev_port_del(nsim_dev_port); + mutex_unlock(&nsim_dev->port_list_lock); } int nsim_dev_probe(struct nsim_bus_dev *nsim_bus_dev) @@ -822,14 +826,17 @@ int nsim_dev_probe(struct nsim_bus_dev *nsim_bus_dev) return PTR_ERR(nsim_dev); dev_set_drvdata(&nsim_bus_dev->dev, nsim_dev); + mutex_lock(&nsim_dev->port_list_lock); for (i = 0; i < nsim_bus_dev->port_count; i++) { err = __nsim_dev_port_add(nsim_dev, i); if (err) goto err_port_del_all; } + mutex_unlock(&nsim_dev->port_list_lock); return 0; err_port_del_all: + mutex_unlock(&nsim_dev->port_list_lock); nsim_dev_port_del_all(nsim_dev); nsim_dev_destroy(nsim_dev); return err; diff --git a/drivers/net/netdevsim/fib.c b/drivers/net/netdevsim/fib.c index f61d094746c0..1a251f76d09b 100644 --- a/drivers/net/netdevsim/fib.c +++ b/drivers/net/netdevsim/fib.c @@ -241,8 +241,8 @@ static struct pernet_operations nsim_fib_net_ops = { void nsim_fib_exit(void) { - unregister_pernet_subsys(&nsim_fib_net_ops); unregister_fib_notifier(&nsim_fib_nb); + unregister_pernet_subsys(&nsim_fib_net_ops); } int nsim_fib_init(void) @@ -258,6 +258,7 @@ int nsim_fib_init(void) err = register_fib_notifier(&nsim_fib_nb, nsim_fib_dump_inconsistent); if (err < 0) { pr_err("Failed to register fib notifier\n"); + unregister_pernet_subsys(&nsim_fib_net_ops); goto err_out; } diff --git a/drivers/net/phy/bcm7xxx.c b/drivers/net/phy/bcm7xxx.c index 8fc33867e524..af8eabe7a6d4 100644 --- a/drivers/net/phy/bcm7xxx.c +++ b/drivers/net/phy/bcm7xxx.c @@ -572,6 +572,7 @@ static int bcm7xxx_28nm_probe(struct phy_device *phydev) .name = _name, \ /* PHY_BASIC_FEATURES */ \ .flags = PHY_IS_INTERNAL, \ + .soft_reset = genphy_soft_reset, \ .config_init = bcm7xxx_config_init, \ .suspend = bcm7xxx_suspend, \ .resume = bcm7xxx_config_init, \ diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 6580094161a9..8f241b57fcf6 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -469,6 +469,19 @@ static int ptp_dp83640_enable(struct ptp_clock_info *ptp, switch (rq->type) { case PTP_CLK_REQ_EXTTS: + /* Reject requests with unsupported flags */ + if (rq->extts.flags & ~(PTP_ENABLE_FEATURE | + PTP_RISING_EDGE | + PTP_FALLING_EDGE | + PTP_STRICT_FLAGS)) + return -EOPNOTSUPP; + + /* Reject requests to enable time stamping on both edges. */ + if ((rq->extts.flags & PTP_STRICT_FLAGS) && + (rq->extts.flags & PTP_ENABLE_FEATURE) && + (rq->extts.flags & PTP_EXTTS_EDGES) == PTP_EXTTS_EDGES) + return -EOPNOTSUPP; + index = rq->extts.index; if (index >= N_EXT_TS) return -EINVAL; @@ -491,6 +504,9 @@ static int ptp_dp83640_enable(struct ptp_clock_info *ptp, return 0; case PTP_CLK_REQ_PEROUT: + /* Reject requests with unsupported flags */ + if (rq->perout.flags) + return -EOPNOTSUPP; if (rq->perout.index >= N_PER_OUT) return -EINVAL; return periodic_output(clock, rq, on, rq->perout.index); diff --git a/drivers/net/phy/mdio-sun4i.c b/drivers/net/phy/mdio-sun4i.c index 58d6504495e0..f798de3276dc 100644 --- a/drivers/net/phy/mdio-sun4i.c +++ b/drivers/net/phy/mdio-sun4i.c @@ -145,8 +145,11 @@ err_out_free_mdiobus: static int sun4i_mdio_remove(struct platform_device *pdev) { struct mii_bus *bus = platform_get_drvdata(pdev); + struct sun4i_mdio_data *data = bus->priv; mdiobus_unregister(bus); + if (data->regulator) + regulator_disable(data->regulator); mdiobus_free(bus); return 0; diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 2e29ab841b4d..dbacb0031877 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -64,11 +64,12 @@ static int mdiobus_register_reset(struct mdio_device *mdiodev) if (mdiodev->dev.of_node) reset = devm_reset_control_get_exclusive(&mdiodev->dev, "phy"); - if (PTR_ERR(reset) == -ENOENT || - PTR_ERR(reset) == -ENOTSUPP) - reset = NULL; - else if (IS_ERR(reset)) - return PTR_ERR(reset); + if (IS_ERR(reset)) { + if (PTR_ERR(reset) == -ENOENT || PTR_ERR(reset) == -ENOTSUPP) + reset = NULL; + else + return PTR_ERR(reset); + } mdiodev->reset_ctrl = reset; diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 2fea5541c35a..63dedec0433d 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -341,6 +341,35 @@ static int ksz8041_config_aneg(struct phy_device *phydev) return genphy_config_aneg(phydev); } +static int ksz8051_ksz8795_match_phy_device(struct phy_device *phydev, + const u32 ksz_phy_id) +{ + int ret; + + if ((phydev->phy_id & MICREL_PHY_ID_MASK) != ksz_phy_id) + return 0; + + ret = phy_read(phydev, MII_BMSR); + if (ret < 0) + return ret; + + /* KSZ8051 PHY and KSZ8794/KSZ8795/KSZ8765 switch share the same + * exact PHY ID. However, they can be told apart by the extended + * capability registers presence. The KSZ8051 PHY has them while + * the switch does not. + */ + ret &= BMSR_ERCAP; + if (ksz_phy_id == PHY_ID_KSZ8051) + return ret; + else + return !ret; +} + +static int ksz8051_match_phy_device(struct phy_device *phydev) +{ + return ksz8051_ksz8795_match_phy_device(phydev, PHY_ID_KSZ8051); +} + static int ksz8081_config_init(struct phy_device *phydev) { /* KSZPHY_OMSO_FACTORY_TEST is set at de-assertion of the reset line @@ -364,6 +393,11 @@ static int ksz8061_config_init(struct phy_device *phydev) return kszphy_config_init(phydev); } +static int ksz8795_match_phy_device(struct phy_device *phydev) +{ + return ksz8051_ksz8795_match_phy_device(phydev, PHY_ID_KSZ87XX); +} + static int ksz9021_load_values_from_of(struct phy_device *phydev, const struct device_node *of_node, u16 reg, @@ -1017,8 +1051,6 @@ static struct phy_driver ksphy_driver[] = { .suspend = genphy_suspend, .resume = genphy_resume, }, { - .phy_id = PHY_ID_KSZ8051, - .phy_id_mask = MICREL_PHY_ID_MASK, .name = "Micrel KSZ8051", /* PHY_BASIC_FEATURES */ .driver_data = &ksz8051_type, @@ -1029,6 +1061,7 @@ static struct phy_driver ksphy_driver[] = { .get_sset_count = kszphy_get_sset_count, .get_strings = kszphy_get_strings, .get_stats = kszphy_get_stats, + .match_phy_device = ksz8051_match_phy_device, .suspend = genphy_suspend, .resume = genphy_resume, }, { @@ -1141,13 +1174,12 @@ static struct phy_driver ksphy_driver[] = { .suspend = genphy_suspend, .resume = genphy_resume, }, { - .phy_id = PHY_ID_KSZ8795, - .phy_id_mask = MICREL_PHY_ID_MASK, - .name = "Micrel KSZ8795", + .name = "Micrel KSZ87XX Switch", /* PHY_BASIC_FEATURES */ .config_init = kszphy_config_init, .config_aneg = ksz8873mll_config_aneg, .read_status = ksz8873mll_read_status, + .match_phy_device = ksz8795_match_phy_device, .suspend = genphy_suspend, .resume = genphy_resume, }, { diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c index 7935593debb1..a1caeee12236 100644 --- a/drivers/net/phy/phy-c45.c +++ b/drivers/net/phy/phy-c45.c @@ -323,6 +323,8 @@ int genphy_c45_read_pma(struct phy_device *phydev) { int val; + linkmode_zero(phydev->lp_advertising); + val = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_CTRL1); if (val < 0) return val; diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 119e6f466056..105d389b58e7 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -572,9 +572,6 @@ int phy_start_aneg(struct phy_device *phydev) if (AUTONEG_DISABLE == phydev->autoneg) phy_sanitize_settings(phydev); - /* Invalidate LP advertising flags */ - linkmode_zero(phydev->lp_advertising); - err = phy_config_aneg(phydev); if (err < 0) goto out_unlock; diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 9d2bbb13293e..adb66a2fae18 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1787,7 +1787,14 @@ int genphy_read_lpa(struct phy_device *phydev) { int lpa, lpagb; - if (phydev->autoneg == AUTONEG_ENABLE && phydev->autoneg_complete) { + if (phydev->autoneg == AUTONEG_ENABLE) { + if (!phydev->autoneg_complete) { + mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, + 0); + mii_lpa_mod_linkmode_lpa_t(phydev->lp_advertising, 0); + return 0; + } + if (phydev->is_gigabit_capable) { lpagb = phy_read(phydev, MII_STAT1000); if (lpagb < 0) @@ -1815,6 +1822,8 @@ int genphy_read_lpa(struct phy_device *phydev) return lpa; mii_lpa_mod_linkmode_lpa_t(phydev->lp_advertising, lpa); + } else { + linkmode_zero(phydev->lp_advertising); } return 0; diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index a5a57ca94c1a..536236fdb232 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -87,8 +87,24 @@ struct phylink { phylink_printk(KERN_WARNING, pl, fmt, ##__VA_ARGS__) #define phylink_info(pl, fmt, ...) \ phylink_printk(KERN_INFO, pl, fmt, ##__VA_ARGS__) +#if defined(CONFIG_DYNAMIC_DEBUG) #define phylink_dbg(pl, fmt, ...) \ +do { \ + if ((pl)->config->type == PHYLINK_NETDEV) \ + netdev_dbg((pl)->netdev, fmt, ##__VA_ARGS__); \ + else if ((pl)->config->type == PHYLINK_DEV) \ + dev_dbg((pl)->dev, fmt, ##__VA_ARGS__); \ +} while (0) +#elif defined(DEBUG) +#define phylink_dbg(pl, fmt, ...) \ phylink_printk(KERN_DEBUG, pl, fmt, ##__VA_ARGS__) +#else +#define phylink_dbg(pl, fmt, ...) \ +({ \ + if (0) \ + phylink_printk(KERN_DEBUG, pl, fmt, ##__VA_ARGS__); \ +}) +#endif /** * phylink_set_port_modes() - set the port type modes in the ethtool mask @@ -576,7 +592,7 @@ static int phylink_register_sfp(struct phylink *pl, /** * phylink_create() - create a phylink instance - * @ndev: a pointer to the &struct net_device + * @config: a pointer to the target &struct phylink_config * @fwnode: a pointer to a &struct fwnode_handle describing the network * interface * @iface: the desired link mode defined by &typedef phy_interface_t @@ -585,6 +601,8 @@ static int phylink_register_sfp(struct phylink *pl, * Create a new phylink instance, and parse the link parameters found in @np. * This will parse in-band modes, fixed-link or SFP configuration. * + * Note: the rtnl lock must not be held when calling this function. + * * Returns a pointer to a &struct phylink, or an error-pointer value. Users * must use IS_ERR() to check for errors from this function. */ @@ -662,6 +680,8 @@ EXPORT_SYMBOL_GPL(phylink_create); * * Destroy a phylink instance. Any PHY that has been attached must have been * cleaned up via phylink_disconnect_phy() prior to calling this function. + * + * Note: the rtnl lock must not be held when calling this function. */ void phylink_destroy(struct phylink *pl) { @@ -1238,7 +1258,13 @@ int phylink_ethtool_ksettings_set(struct phylink *pl, pl->link_config.duplex = our_kset.base.duplex; pl->link_config.an_enabled = our_kset.base.autoneg != AUTONEG_DISABLE; - if (!test_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state)) { + /* If we have a PHY, phylib will call our link state function if the + * mode has changed, which will trigger a resolve and update the MAC + * configuration. For a fixed link, this isn't able to change any + * parameters, which just leaves inband mode. + */ + if (pl->link_an_mode == MLO_AN_INBAND && + !test_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state)) { phylink_mac_config(pl, &pl->link_config); phylink_mac_an_restart(pl); } @@ -1318,15 +1344,16 @@ int phylink_ethtool_set_pauseparam(struct phylink *pl, if (pause->tx_pause) config->pause |= MLO_PAUSE_TX; - if (!test_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state)) { + /* If we have a PHY, phylib will call our link state function if the + * mode has changed, which will trigger a resolve and update the MAC + * configuration. + */ + if (pl->phydev) { + phy_set_asym_pause(pl->phydev, pause->rx_pause, + pause->tx_pause); + } else if (!test_bit(PHYLINK_DISABLE_STOPPED, + &pl->phylink_disable_state)) { switch (pl->link_an_mode) { - case MLO_AN_PHY: - /* Silently mark the carrier down, and then trigger a resolve */ - if (pl->netdev) - netif_carrier_off(pl->netdev); - phylink_run_resolve(pl); - break; - case MLO_AN_FIXED: /* Should we allow fixed links to change against the config? */ phylink_resolve_flow(pl, config); diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c index dc3d92d340c4..b73298250793 100644 --- a/drivers/net/phy/smsc.c +++ b/drivers/net/phy/smsc.c @@ -327,6 +327,7 @@ static struct phy_driver smsc_phy_driver[] = { .name = "SMSC LAN8740", /* PHY_BASIC_FEATURES */ + .flags = PHY_RST_AFTER_CLK_EN, .probe = smsc_phy_probe, diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index 9a1b006904a7..61824bbb5588 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -1324,8 +1324,6 @@ static int ppp_dev_init(struct net_device *dev) { struct ppp *ppp; - netdev_lockdep_set_classes(dev); - ppp = netdev_priv(dev); /* Let the netdevice take a reference on the ppp file. This ensures * that ppp_destroy_interface() won't run before the device gets diff --git a/drivers/net/slip/slip.c b/drivers/net/slip/slip.c index cac64b96d545..4d479e3c817d 100644 --- a/drivers/net/slip/slip.c +++ b/drivers/net/slip/slip.c @@ -855,6 +855,7 @@ err_free_chan: sl->tty = NULL; tty->disc_data = NULL; clear_bit(SLF_INUSE, &sl->flags); + free_netdev(sl->dev); err_exit: rtnl_unlock(); diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index e8089def5a46..8156b33ee3e7 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -1615,7 +1615,6 @@ static int team_init(struct net_device *dev) int err; team->dev = dev; - mutex_init(&team->lock); team_set_no_mode(team); team->pcpu_stats = netdev_alloc_pcpu_stats(struct team_pcpu_stats); @@ -1642,7 +1641,8 @@ static int team_init(struct net_device *dev) goto err_options_register; netif_carrier_off(dev); - netdev_lockdep_set_classes(dev); + lockdep_register_key(&team->team_lock_key); + __mutex_init(&team->lock, "team->team_lock_key", &team->team_lock_key); return 0; @@ -1673,6 +1673,7 @@ static void team_uninit(struct net_device *dev) team_queue_override_fini(team); mutex_unlock(&team->lock); netdev_change_features(dev); + lockdep_unregister_key(&team->team_lock_key); } static void team_destructor(struct net_device *dev) @@ -1976,8 +1977,15 @@ static int team_del_slave(struct net_device *dev, struct net_device *port_dev) err = team_port_del(team, port_dev); mutex_unlock(&team->lock); - if (!err) - netdev_change_features(dev); + if (err) + return err; + + if (netif_is_team_master(port_dev)) { + lockdep_unregister_key(&team->team_lock_key); + lockdep_register_key(&team->team_lock_key); + lockdep_set_class(&team->lock, &team->team_lock_key); + } + netdev_change_features(dev); return err; } diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 812dc3a65efb..a8d3141582a5 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -526,8 +526,8 @@ static void tun_flow_update(struct tun_struct *tun, u32 rxhash, e = tun_flow_find(head, rxhash); if (likely(e)) { /* TODO: keep queueing to old queue until it's empty? */ - if (e->queue_index != queue_index) - e->queue_index = queue_index; + if (READ_ONCE(e->queue_index) != queue_index) + WRITE_ONCE(e->queue_index, queue_index); if (e->updated != jiffies) e->updated = jiffies; sock_rps_record_flow_hash(e->rps_rxhash); diff --git a/drivers/net/usb/ax88172a.c b/drivers/net/usb/ax88172a.c index 011bd4cb546e..af3994e0853b 100644 --- a/drivers/net/usb/ax88172a.c +++ b/drivers/net/usb/ax88172a.c @@ -196,7 +196,7 @@ static int ax88172a_bind(struct usbnet *dev, struct usb_interface *intf) /* Get the MAC address */ ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf, 0); - if (ret < 0) { + if (ret < ETH_ALEN) { netdev_err(dev->net, "Failed to read MAC address: %d\n", ret); goto free; } diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 32f53de5b1fe..fe630438f67b 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -787,6 +787,13 @@ static const struct usb_device_id products[] = { .driver_info = 0, }, +/* ThinkPad USB-C Dock Gen 2 (based on Realtek RTL8153) */ +{ + USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0xa387, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), + .driver_info = 0, +}, + /* NVIDIA Tegra USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */ { USB_DEVICE_AND_INTERFACE_INFO(NVIDIA_VENDOR_ID, 0x09ff, USB_CLASS_COMM, diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 00cab3f43a4c..c2c82e6391b4 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -578,8 +578,8 @@ static void cdc_ncm_set_dgram_size(struct usbnet *dev, int new_size) /* read current mtu value from device */ err = usbnet_read_cmd(dev, USB_CDC_GET_MAX_DATAGRAM_SIZE, USB_TYPE_CLASS | USB_DIR_IN | USB_RECIP_INTERFACE, - 0, iface_no, &max_datagram_size, 2); - if (err < 0) { + 0, iface_no, &max_datagram_size, sizeof(max_datagram_size)); + if (err != sizeof(max_datagram_size)) { dev_dbg(&dev->intf->dev, "GET_MAX_DATAGRAM_SIZE failed\n"); goto out; } @@ -590,7 +590,7 @@ static void cdc_ncm_set_dgram_size(struct usbnet *dev, int new_size) max_datagram_size = cpu_to_le16(ctx->max_datagram_size); err = usbnet_write_cmd(dev, USB_CDC_SET_MAX_DATAGRAM_SIZE, USB_TYPE_CLASS | USB_DIR_OUT | USB_RECIP_INTERFACE, - 0, iface_no, &max_datagram_size, 2); + 0, iface_no, &max_datagram_size, sizeof(max_datagram_size)); if (err < 0) dev_dbg(&dev->intf->dev, "SET_MAX_DATAGRAM_SIZE failed\n"); diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index a505b2ab88b8..74849da031fa 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -186,7 +186,7 @@ struct hso_tiocmget { int intr_completed; struct usb_endpoint_descriptor *endp; struct urb *urb; - struct hso_serial_state_notification serial_state_notification; + struct hso_serial_state_notification *serial_state_notification; u16 prev_UART_state_bitmap; struct uart_icount icount; }; @@ -1432,7 +1432,7 @@ static int tiocmget_submit_urb(struct hso_serial *serial, usb_rcvintpipe(usb, tiocmget->endp-> bEndpointAddress & 0x7F), - &tiocmget->serial_state_notification, + tiocmget->serial_state_notification, sizeof(struct hso_serial_state_notification), tiocmget_intr_callback, serial, tiocmget->endp->bInterval); @@ -1479,7 +1479,7 @@ static void tiocmget_intr_callback(struct urb *urb) /* wIndex should be the USB interface number of the port to which the * notification applies, which should always be the Modem port. */ - serial_state_notification = &tiocmget->serial_state_notification; + serial_state_notification = tiocmget->serial_state_notification; if (serial_state_notification->bmRequestType != BM_REQUEST_TYPE || serial_state_notification->bNotification != B_NOTIFICATION || le16_to_cpu(serial_state_notification->wValue) != W_VALUE || @@ -2565,6 +2565,8 @@ static void hso_free_tiomget(struct hso_serial *serial) usb_free_urb(tiocmget->urb); tiocmget->urb = NULL; serial->tiocmget = NULL; + kfree(tiocmget->serial_state_notification); + tiocmget->serial_state_notification = NULL; kfree(tiocmget); } } @@ -2615,10 +2617,13 @@ static struct hso_device *hso_create_bulk_serial_device( num_urbs = 2; serial->tiocmget = kzalloc(sizeof(struct hso_tiocmget), GFP_KERNEL); + serial->tiocmget->serial_state_notification + = kzalloc(sizeof(struct hso_serial_state_notification), + GFP_KERNEL); /* it isn't going to break our heart if serial->tiocmget * allocation fails don't bother checking this. */ - if (serial->tiocmget) { + if (serial->tiocmget && serial->tiocmget->serial_state_notification) { tiocmget = serial->tiocmget; tiocmget->endp = hso_get_ep(interface, USB_ENDPOINT_XFER_INT, diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index 58f5a219fb65..f24a1b0b801f 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -1264,8 +1264,11 @@ static void lan78xx_status(struct lan78xx_net *dev, struct urb *urb) netif_dbg(dev, link, dev->net, "PHY INTR: 0x%08x\n", intdata); lan78xx_defer_kevent(dev, EVENT_LINK_RESET); - if (dev->domain_data.phyirq > 0) + if (dev->domain_data.phyirq > 0) { + local_irq_disable(); generic_handle_irq(dev->domain_data.phyirq); + local_irq_enable(); + } } else netdev_warn(dev->net, "unexpected interrupt: 0x%08x\n", intdata); @@ -3782,10 +3785,14 @@ static int lan78xx_probe(struct usb_interface *intf, /* driver requires remote-wakeup capability during autosuspend. */ intf->needs_remote_wakeup = 1; + ret = lan78xx_phy_init(dev); + if (ret < 0) + goto out4; + ret = register_netdev(netdev); if (ret != 0) { netif_err(dev, probe, netdev, "couldn't register the device\n"); - goto out4; + goto out5; } usb_set_intfdata(intf, dev); @@ -3798,14 +3805,10 @@ static int lan78xx_probe(struct usb_interface *intf, pm_runtime_set_autosuspend_delay(&udev->dev, DEFAULT_AUTOSUSPEND_DELAY); - ret = lan78xx_phy_init(dev); - if (ret < 0) - goto out5; - return 0; out5: - unregister_netdev(netdev); + phy_disconnect(netdev->phydev); out4: usb_free_urb(dev->urb_intr); out3: diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 3d77cd402ba9..4196c0e32740 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1327,6 +1327,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */ + {QMI_QUIRK_SET_DTR(0x1bc7, 0x1050, 2)}, /* Telit FN980 */ {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */ {QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */ {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ @@ -1361,6 +1362,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */ {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */ {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */ + {QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/ {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */ {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ @@ -1369,6 +1371,8 @@ static const struct usb_device_id products[] = { {QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)}, /* Quectel EG91 */ {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */ {QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)}, /* Fibocom NL678 series */ + {QMI_FIXED_INTF(0x0489, 0xe0b4, 0)}, /* Foxconn T77W968 LTE */ + {QMI_FIXED_INTF(0x0489, 0xe0b5, 0)}, /* Foxconn T77W968 LTE with eSIM support*/ /* 4. Gobi 1000 devices */ {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index cee9fef925cd..b2507c59ba8b 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -4283,10 +4283,10 @@ static int rtl8152_close(struct net_device *netdev) unregister_pm_notifier(&tp->pm_notifier); #endif tasklet_disable(&tp->tx_tl); - napi_disable(&tp->napi); clear_bit(WORK_ENABLE, &tp->flags); usb_kill_urb(tp->intr_urb); cancel_delayed_work_sync(&tp->schedule); + napi_disable(&tp->napi); netif_stop_queue(netdev); res = usb_autopm_get_interface(tp->intf); @@ -4552,10 +4552,10 @@ static int rtl8152_pre_reset(struct usb_interface *intf) netif_stop_queue(netdev); tasklet_disable(&tp->tx_tl); - napi_disable(&tp->napi); clear_bit(WORK_ENABLE, &tp->flags); usb_kill_urb(tp->intr_urb); cancel_delayed_work_sync(&tp->schedule); + napi_disable(&tp->napi); if (netif_carrier_ok(netdev)) { mutex_lock(&tp->control); tp->rtl_ops.disable(tp); @@ -4673,7 +4673,7 @@ static int rtl8152_system_resume(struct r8152 *tp) netif_device_attach(netdev); - if (netif_running(netdev) && netdev->flags & IFF_UP) { + if (netif_running(netdev) && (netdev->flags & IFF_UP)) { tp->rtl_ops.up(tp); netif_carrier_off(netdev); set_bit(WORK_ENABLE, &tp->flags); @@ -5244,9 +5244,15 @@ static int rtl8152_set_tunable(struct net_device *netdev, } if (tp->rx_copybreak != val) { - napi_disable(&tp->napi); - tp->rx_copybreak = val; - napi_enable(&tp->napi); + if (netdev->flags & IFF_UP) { + mutex_lock(&tp->control); + napi_disable(&tp->napi); + tp->rx_copybreak = val; + napi_enable(&tp->napi); + mutex_unlock(&tp->control); + } else { + tp->rx_copybreak = val; + } } break; default: @@ -5274,9 +5280,15 @@ static int rtl8152_set_ringparam(struct net_device *netdev, return -EINVAL; if (tp->rx_pending != ring->rx_pending) { - napi_disable(&tp->napi); - tp->rx_pending = ring->rx_pending; - napi_enable(&tp->napi); + if (netdev->flags & IFF_UP) { + mutex_lock(&tp->control); + napi_disable(&tp->napi); + tp->rx_pending = ring->rx_pending; + napi_enable(&tp->napi); + mutex_unlock(&tp->control); + } else { + tp->rx_pending = ring->rx_pending; + } } return 0; @@ -5755,6 +5767,7 @@ static const struct usb_device_id rtl8152_table[] = { {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x7205)}, {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x720c)}, {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x7214)}, + {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0xa387)}, {REALTEK_USB_DEVICE(VENDOR_ID_LINKSYS, 0x0041)}, {REALTEK_USB_DEVICE(VENDOR_ID_NVIDIA, 0x09ff)}, {REALTEK_USB_DEVICE(VENDOR_ID_TPLINK, 0x0601)}, diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c index c5d4a0060124..681e0def6356 100644 --- a/drivers/net/usb/sr9800.c +++ b/drivers/net/usb/sr9800.c @@ -335,7 +335,7 @@ static void sr_set_multicast(struct net_device *net) static int sr_mdio_read(struct net_device *net, int phy_id, int loc) { struct usbnet *dev = netdev_priv(net); - __le16 res; + __le16 res = 0; mutex_lock(&dev->phy_mutex); sr_set_sw_mii(dev); diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index ee52bde058df..b8228f50bc94 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -865,7 +865,6 @@ static int vrf_dev_init(struct net_device *dev) /* similarly, oper state is irrelevant; set to up to avoid confusion */ dev->operstate = IF_OPER_UP; - netdev_lockdep_set_classes(dev); return 0; out_rth: diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 3d9bcc957f7d..8869154fad88 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2487,9 +2487,11 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, vni = tunnel_id_to_key32(info->key.tun_id); ifindex = 0; dst_cache = &info->dst_cache; - if (info->options_len && - info->key.tun_flags & TUNNEL_VXLAN_OPT) + if (info->key.tun_flags & TUNNEL_VXLAN_OPT) { + if (info->options_len < sizeof(*md)) + goto drop; md = ip_tunnel_info_opts(info); + } ttl = info->key.ttl; tos = info->key.tos; label = info->key.label; @@ -3566,10 +3568,13 @@ static int __vxlan_dev_create(struct net *net, struct net_device *dev, { struct vxlan_net *vn = net_generic(net, vxlan_net_id); struct vxlan_dev *vxlan = netdev_priv(dev); + struct net_device *remote_dev = NULL; struct vxlan_fdb *f = NULL; bool unregister = false; + struct vxlan_rdst *dst; int err; + dst = &vxlan->default_dst; err = vxlan_dev_configure(net, dev, conf, false, extack); if (err) return err; @@ -3577,14 +3582,14 @@ static int __vxlan_dev_create(struct net *net, struct net_device *dev, dev->ethtool_ops = &vxlan_ethtool_ops; /* create an fdb entry for a valid default destination */ - if (!vxlan_addr_any(&vxlan->default_dst.remote_ip)) { + if (!vxlan_addr_any(&dst->remote_ip)) { err = vxlan_fdb_create(vxlan, all_zeros_mac, - &vxlan->default_dst.remote_ip, + &dst->remote_ip, NUD_REACHABLE | NUD_PERMANENT, vxlan->cfg.dst_port, - vxlan->default_dst.remote_vni, - vxlan->default_dst.remote_vni, - vxlan->default_dst.remote_ifindex, + dst->remote_vni, + dst->remote_vni, + dst->remote_ifindex, NTF_SELF, &f); if (err) return err; @@ -3595,26 +3600,41 @@ static int __vxlan_dev_create(struct net *net, struct net_device *dev, goto errout; unregister = true; + if (dst->remote_ifindex) { + remote_dev = __dev_get_by_index(net, dst->remote_ifindex); + if (!remote_dev) + goto errout; + + err = netdev_upper_dev_link(remote_dev, dev, extack); + if (err) + goto errout; + } + err = rtnl_configure_link(dev, NULL); if (err) - goto errout; + goto unlink; if (f) { - vxlan_fdb_insert(vxlan, all_zeros_mac, - vxlan->default_dst.remote_vni, f); + vxlan_fdb_insert(vxlan, all_zeros_mac, dst->remote_vni, f); /* notify default fdb entry */ err = vxlan_fdb_notify(vxlan, f, first_remote_rtnl(f), RTM_NEWNEIGH, true, extack); if (err) { vxlan_fdb_destroy(vxlan, f, false, false); + if (remote_dev) + netdev_upper_dev_unlink(remote_dev, dev); goto unregister; } } list_add(&vxlan->next, &vn->vxlan_list); + if (remote_dev) + dst->remote_dev = remote_dev; return 0; - +unlink: + if (remote_dev) + netdev_upper_dev_unlink(remote_dev, dev); errout: /* unregister_netdevice() destroys the default FDB entry with deletion * notification. But the addition notification was not sent yet, so @@ -3932,11 +3952,12 @@ static int vxlan_changelink(struct net_device *dev, struct nlattr *tb[], struct netlink_ext_ack *extack) { struct vxlan_dev *vxlan = netdev_priv(dev); - struct vxlan_rdst *dst = &vxlan->default_dst; struct net_device *lowerdev; struct vxlan_config conf; + struct vxlan_rdst *dst; int err; + dst = &vxlan->default_dst; err = vxlan_nl2conf(tb, data, dev, &conf, true, extack); if (err) return err; @@ -3946,6 +3967,14 @@ static int vxlan_changelink(struct net_device *dev, struct nlattr *tb[], if (err) return err; + if (dst->remote_dev == lowerdev) + lowerdev = NULL; + + err = netdev_adjacent_change_prepare(dst->remote_dev, lowerdev, dev, + extack); + if (err) + return err; + /* handle default dst entry */ if (!vxlan_addr_equal(&conf.remote_ip, &dst->remote_ip)) { u32 hash_index = fdb_head_index(vxlan, all_zeros_mac, conf.vni); @@ -3962,6 +3991,8 @@ static int vxlan_changelink(struct net_device *dev, struct nlattr *tb[], NTF_SELF, true, extack); if (err) { spin_unlock_bh(&vxlan->hash_lock[hash_index]); + netdev_adjacent_change_abort(dst->remote_dev, + lowerdev, dev); return err; } } @@ -3979,6 +4010,11 @@ static int vxlan_changelink(struct net_device *dev, struct nlattr *tb[], if (conf.age_interval != vxlan->cfg.age_interval) mod_timer(&vxlan->age_timer, jiffies); + netdev_adjacent_change_commit(dst->remote_dev, lowerdev, dev); + if (lowerdev && lowerdev != dst->remote_dev) { + dst->remote_dev = lowerdev; + netdev_update_lockdep_key(lowerdev); + } vxlan_config_apply(dev, &conf, lowerdev, vxlan->net, true); return 0; } @@ -3991,6 +4027,8 @@ static void vxlan_dellink(struct net_device *dev, struct list_head *head) list_del(&vxlan->next); unregister_netdevice_queue(dev, head); + if (vxlan->default_dst.remote_dev) + netdev_upper_dev_unlink(vxlan->default_dst.remote_dev, dev); } static size_t vxlan_get_size(const struct net_device *dev) diff --git a/drivers/net/wimax/i2400m/op-rfkill.c b/drivers/net/wimax/i2400m/op-rfkill.c index 8efb493ceec2..5c79f052cad2 100644 --- a/drivers/net/wimax/i2400m/op-rfkill.c +++ b/drivers/net/wimax/i2400m/op-rfkill.c @@ -127,12 +127,12 @@ int i2400m_op_rfkill_sw_toggle(struct wimax_dev *wimax_dev, "%d\n", result); result = 0; error_cmd: - kfree(cmd); kfree_skb(ack_skb); error_msg_to_dev: error_alloc: d_fnend(4, dev, "(wimax_dev %p state %d) = %d\n", wimax_dev, state, result); + kfree(cmd); return result; } diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index dc45d16e8d21..383d4fa555a8 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -2118,12 +2118,15 @@ static int ath10k_init_uart(struct ath10k *ar) return ret; } - if (!uart_print && ar->hw_params.uart_pin_workaround) { - ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, - ar->hw_params.uart_pin); - if (ret) { - ath10k_warn(ar, "failed to set UART TX pin: %d", ret); - return ret; + if (!uart_print) { + if (ar->hw_params.uart_pin_workaround) { + ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, + ar->hw_params.uart_pin); + if (ret) { + ath10k_warn(ar, "failed to set UART TX pin: %d", + ret); + return ret; + } } return 0; diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c index 7573af2d88ce..c2db758b9d54 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c @@ -162,12 +162,13 @@ int iwl_acpi_get_mcc(struct device *dev, char *mcc) wifi_pkg = iwl_acpi_get_wifi_pkg(dev, data, ACPI_WRDD_WIFI_DATA_SIZE, &tbl_rev); - if (IS_ERR(wifi_pkg) || tbl_rev != 0) { + if (IS_ERR(wifi_pkg)) { ret = PTR_ERR(wifi_pkg); goto out_free; } - if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) { + if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER || + tbl_rev != 0) { ret = -EINVAL; goto out_free; } @@ -224,12 +225,13 @@ int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk) wifi_pkg = iwl_acpi_get_wifi_pkg(dev, data, ACPI_ECKV_WIFI_DATA_SIZE, &tbl_rev); - if (IS_ERR(wifi_pkg) || tbl_rev != 0) { + if (IS_ERR(wifi_pkg)) { ret = PTR_ERR(wifi_pkg); goto out_free; } - if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) { + if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER || + tbl_rev != 0) { ret = -EINVAL; goto out_free; } diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h b/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h index 39c64850cb6f..c0750ced5ac2 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h @@ -520,7 +520,7 @@ struct iwl_scan_dwell { } __packed; /** - * struct iwl_scan_config + * struct iwl_scan_config_v1 * @flags: enum scan_config_flags * @tx_chains: valid_tx antenna - ANT_* definitions * @rx_chains: valid_rx antenna - ANT_* definitions @@ -552,7 +552,7 @@ struct iwl_scan_config_v1 { #define SCAN_LB_LMAC_IDX 0 #define SCAN_HB_LMAC_IDX 1 -struct iwl_scan_config { +struct iwl_scan_config_v2 { __le32 flags; __le32 tx_chains; __le32 rx_chains; @@ -564,6 +564,24 @@ struct iwl_scan_config { u8 bcast_sta_id; u8 channel_flags; u8 channel_array[]; +} __packed; /* SCAN_CONFIG_DB_CMD_API_S_2 */ + +/** + * struct iwl_scan_config + * @enable_cam_mode: whether to enable CAM mode. + * @enable_promiscouos_mode: whether to enable promiscouos mode + * @bcast_sta_id: the index of the station in the fw + * @reserved: reserved + * @tx_chains: valid_tx antenna - ANT_* definitions + * @rx_chains: valid_rx antenna - ANT_* definitions + */ +struct iwl_scan_config { + u8 enable_cam_mode; + u8 enable_promiscouos_mode; + u8 bcast_sta_id; + u8 reserved; + __le32 tx_chains; + __le32 rx_chains; } __packed; /* SCAN_CONFIG_DB_CMD_API_S_3 */ /** diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 5c8602de9168..87421807e040 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -646,6 +646,7 @@ static struct scatterlist *alloc_sgtable(int size) if (new_page) __free_page(new_page); } + kfree(table); return NULL; } alloc_size = min_t(int, size, PAGE_SIZE); diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h index 423cc0cf8e78..0d5bc4ce5c07 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/file.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h @@ -288,6 +288,8 @@ typedef unsigned int __bitwise iwl_ucode_tlv_api_t; * STA_CONTEXT_DOT11AX_API_S * @IWL_UCODE_TLV_CAPA_SAR_TABLE_VER: This ucode supports different sar * version tables. + * @IWL_UCODE_TLV_API_REDUCED_SCAN_CONFIG: This ucode supports v3 of + * SCAN_CONFIG_DB_CMD_API_S. * * @NUM_IWL_UCODE_TLV_API: number of bits used */ @@ -321,6 +323,7 @@ enum iwl_ucode_tlv_api { IWL_UCODE_TLV_API_WOWLAN_TCP_SYN_WAKE = (__force iwl_ucode_tlv_api_t)53, IWL_UCODE_TLV_API_FTM_RTT_ACCURACY = (__force iwl_ucode_tlv_api_t)54, IWL_UCODE_TLV_API_SAR_TABLE_VER = (__force iwl_ucode_tlv_api_t)55, + IWL_UCODE_TLV_API_REDUCED_SCAN_CONFIG = (__force iwl_ucode_tlv_api_t)56, IWL_UCODE_TLV_API_ADWELL_HB_DEF_N_AP = (__force iwl_ucode_tlv_api_t)57, IWL_UCODE_TLV_API_SCAN_EXT_CHAN_VER = (__force iwl_ucode_tlv_api_t)58, diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h index cb4c5514a556..695bbaa86273 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h @@ -279,6 +279,7 @@ * Indicates MAC is entering a power-saving sleep power-down. * Not a good time to access device-internal resources. */ +#define CSR_GP_CNTRL_REG_FLAG_INIT_DONE (0x00000004) #define CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP (0x00000010) #define CSR_GP_CNTRL_REG_FLAG_XTAL_ON (0x00000400) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-io.h b/drivers/net/wireless/intel/iwlwifi/iwl-io.h index f8e4f0f5de0c..f09e368c7040 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-io.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-io.h @@ -112,38 +112,38 @@ int iwl_dump_fh(struct iwl_trans *trans, char **buf); */ static inline u32 iwl_umac_prph(struct iwl_trans *trans, u32 ofs) { - return ofs + trans->cfg->trans.umac_prph_offset; + return ofs + trans->trans_cfg->umac_prph_offset; } static inline u32 iwl_read_umac_prph_no_grab(struct iwl_trans *trans, u32 ofs) { return iwl_read_prph_no_grab(trans, ofs + - trans->cfg->trans.umac_prph_offset); + trans->trans_cfg->umac_prph_offset); } static inline u32 iwl_read_umac_prph(struct iwl_trans *trans, u32 ofs) { - return iwl_read_prph(trans, ofs + trans->cfg->trans.umac_prph_offset); + return iwl_read_prph(trans, ofs + trans->trans_cfg->umac_prph_offset); } static inline void iwl_write_umac_prph_no_grab(struct iwl_trans *trans, u32 ofs, u32 val) { - iwl_write_prph_no_grab(trans, ofs + trans->cfg->trans.umac_prph_offset, + iwl_write_prph_no_grab(trans, ofs + trans->trans_cfg->umac_prph_offset, val); } static inline void iwl_write_umac_prph(struct iwl_trans *trans, u32 ofs, u32 val) { - iwl_write_prph(trans, ofs + trans->cfg->trans.umac_prph_offset, val); + iwl_write_prph(trans, ofs + trans->trans_cfg->umac_prph_offset, val); } static inline int iwl_poll_umac_prph_bit(struct iwl_trans *trans, u32 addr, u32 bits, u32 mask, int timeout) { return iwl_poll_prph_bit(trans, addr + - trans->cfg->trans.umac_prph_offset, + trans->trans_cfg->umac_prph_offset, bits, mask, timeout); } diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-prph.h b/drivers/net/wireless/intel/iwlwifi/iwl-prph.h index f47e0f97acf8..23c25a7665f2 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-prph.h @@ -449,6 +449,11 @@ enum { #define PERSISTENCE_BIT BIT(12) #define PREG_WFPM_ACCESS BIT(12) +#define HPM_HIPM_GEN_CFG 0xA03458 +#define HPM_HIPM_GEN_CFG_CR_PG_EN BIT(0) +#define HPM_HIPM_GEN_CFG_CR_SLP_EN BIT(1) +#define HPM_HIPM_GEN_CFG_CR_FORCE_ACTIVE BIT(10) + #define UREG_DOORBELL_TO_ISR6 0xA05C04 #define UREG_DOORBELL_TO_ISR6_NMI_BIT BIT(0) #define UREG_DOORBELL_TO_ISR6_SUSPEND BIT(18) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 32a5e4e5461f..d9eb2b286438 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -420,6 +420,9 @@ static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) }; int ret; + if (mvm->trans->cfg->tx_with_siso_diversity) + init_cfg.init_flags |= cpu_to_le32(BIT(IWL_INIT_PHY)); + lockdep_assert_held(&mvm->mutex); mvm->rfkill_safe_init_done = false; @@ -694,12 +697,13 @@ static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm) wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, ACPI_WRDS_WIFI_DATA_SIZE, &tbl_rev); - if (IS_ERR(wifi_pkg) || tbl_rev != 0) { + if (IS_ERR(wifi_pkg)) { ret = PTR_ERR(wifi_pkg); goto out_free; } - if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) { + if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER || + tbl_rev != 0) { ret = -EINVAL; goto out_free; } @@ -731,13 +735,14 @@ static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm) wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, ACPI_EWRD_WIFI_DATA_SIZE, &tbl_rev); - if (IS_ERR(wifi_pkg) || tbl_rev != 0) { + if (IS_ERR(wifi_pkg)) { ret = PTR_ERR(wifi_pkg); goto out_free; } if ((wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) || - (wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER)) { + (wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER) || + tbl_rev != 0) { ret = -EINVAL; goto out_free; } @@ -791,11 +796,16 @@ static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm) wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, ACPI_WGDS_WIFI_DATA_SIZE, &tbl_rev); - if (IS_ERR(wifi_pkg) || tbl_rev > 1) { + if (IS_ERR(wifi_pkg)) { ret = PTR_ERR(wifi_pkg); goto out_free; } + if (tbl_rev != 0) { + ret = -EINVAL; + goto out_free; + } + mvm->geo_rev = tbl_rev; for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) { for (j = 0; j < ACPI_GEO_TABLE_SIZE; j++) { @@ -889,15 +899,17 @@ static bool iwl_mvm_sar_geo_support(struct iwl_mvm *mvm) * firmware versions. Unfortunately, we don't have a TLV API * flag to rely on, so rely on the major version which is in * the first byte of ucode_ver. This was implemented - * initially on version 38 and then backported to29 and 17. - * The intention was to have it in 36 as well, but not all - * 8000 family got this feature enabled. The 8000 family is - * the only one using version 36, so skip this version - * entirely. + * initially on version 38 and then backported to 17. It was + * also backported to 29, but only for 7265D devices. The + * intention was to have it in 36 as well, but not all 8000 + * family got this feature enabled. The 8000 family is the + * only one using version 36, so skip this version entirely. */ return IWL_UCODE_SERIAL(mvm->fw->ucode_ver) >= 38 || - IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 29 || - IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 17; + IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 17 || + (IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 29 && + ((mvm->trans->hw_rev & CSR_HW_REV_TYPE_MSK) == + CSR_HW_REV_TYPE_7265D)); } int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm) @@ -1020,11 +1032,16 @@ static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm) wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, ACPI_PPAG_WIFI_DATA_SIZE, &tbl_rev); - if (IS_ERR(wifi_pkg) || tbl_rev != 0) { + if (IS_ERR(wifi_pkg)) { ret = PTR_ERR(wifi_pkg); goto out_free; } + if (tbl_rev != 0) { + ret = -EINVAL; + goto out_free; + } + enabled = &wifi_pkg->package.elements[1]; if (enabled->type != ACPI_TYPE_INTEGER || (enabled->integer.value != 0 && enabled->integer.value != 1)) { diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index cd1b10042fbf..d31f96c3f925 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -4881,11 +4881,11 @@ void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, if (!iwl_mvm_has_new_rx_api(mvm)) return; - notif->cookie = mvm->queue_sync_cookie; - - if (notif->sync) + if (notif->sync) { + notif->cookie = mvm->queue_sync_cookie; atomic_set(&mvm->queue_sync_counter, mvm->trans->num_rx_queues); + } ret = iwl_mvm_notify_rx_queue(mvm, qmask, (u8 *)notif, size, !notif->sync); @@ -4905,7 +4905,8 @@ void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, out: atomic_set(&mvm->queue_sync_counter, 0); - mvm->queue_sync_cookie++; + if (notif->sync) + mvm->queue_sync_cookie++; } static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index 843d00bf2bd5..5ca50f39a023 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -1405,6 +1405,12 @@ static inline bool iwl_mvm_is_scan_ext_chan_supported(struct iwl_mvm *mvm) IWL_UCODE_TLV_API_SCAN_EXT_CHAN_VER); } +static inline bool iwl_mvm_is_reduced_config_scan_supported(struct iwl_mvm *mvm) +{ + return fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_REDUCED_SCAN_CONFIG); +} + static inline bool iwl_mvm_has_new_rx_stats_api(struct iwl_mvm *mvm) { return fw_has_api(&mvm->fw->ucode_capa, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index f6b3045badbd..fcafa22ec6ce 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -1137,11 +1137,11 @@ static void iwl_mvm_fill_scan_config_v1(struct iwl_mvm *mvm, void *config, iwl_mvm_fill_channels(mvm, cfg->channel_array, max_channels); } -static void iwl_mvm_fill_scan_config(struct iwl_mvm *mvm, void *config, - u32 flags, u8 channel_flags, - u32 max_channels) +static void iwl_mvm_fill_scan_config_v2(struct iwl_mvm *mvm, void *config, + u32 flags, u8 channel_flags, + u32 max_channels) { - struct iwl_scan_config *cfg = config; + struct iwl_scan_config_v2 *cfg = config; cfg->flags = cpu_to_le32(flags); cfg->tx_chains = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm)); @@ -1185,7 +1185,7 @@ static void iwl_mvm_fill_scan_config(struct iwl_mvm *mvm, void *config, iwl_mvm_fill_channels(mvm, cfg->channel_array, max_channels); } -int iwl_mvm_config_scan(struct iwl_mvm *mvm) +static int iwl_mvm_legacy_config_scan(struct iwl_mvm *mvm) { void *cfg; int ret, cmd_size; @@ -1217,7 +1217,7 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm) } if (iwl_mvm_cdb_scan_api(mvm)) - cmd_size = sizeof(struct iwl_scan_config); + cmd_size = sizeof(struct iwl_scan_config_v2); else cmd_size = sizeof(struct iwl_scan_config_v1); cmd_size += num_channels; @@ -1254,8 +1254,8 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm) flags |= (iwl_mvm_is_scan_fragmented(hb_type)) ? SCAN_CONFIG_FLAG_SET_LMAC2_FRAGMENTED : SCAN_CONFIG_FLAG_CLEAR_LMAC2_FRAGMENTED; - iwl_mvm_fill_scan_config(mvm, cfg, flags, channel_flags, - num_channels); + iwl_mvm_fill_scan_config_v2(mvm, cfg, flags, channel_flags, + num_channels); } else { iwl_mvm_fill_scan_config_v1(mvm, cfg, flags, channel_flags, num_channels); @@ -1277,6 +1277,30 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm) return ret; } +int iwl_mvm_config_scan(struct iwl_mvm *mvm) +{ + struct iwl_scan_config cfg; + struct iwl_host_cmd cmd = { + .id = iwl_cmd_id(SCAN_CFG_CMD, IWL_ALWAYS_LONG_GROUP, 0), + .len[0] = sizeof(cfg), + .data[0] = &cfg, + .dataflags[0] = IWL_HCMD_DFL_NOCOPY, + }; + + if (!iwl_mvm_is_reduced_config_scan_supported(mvm)) + return iwl_mvm_legacy_config_scan(mvm); + + memset(&cfg, 0, sizeof(cfg)); + + cfg.bcast_sta_id = mvm->aux_sta.sta_id; + cfg.tx_chains = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm)); + cfg.rx_chains = cpu_to_le32(iwl_mvm_scan_rx_ant(mvm)); + + IWL_DEBUG_SCAN(mvm, "Sending UMAC scan config\n"); + + return iwl_mvm_send_cmd(mvm, &cmd); +} + static int iwl_mvm_scan_uid_by_status(struct iwl_mvm *mvm, int status) { int i; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index 0bedba4c61f2..b3768d5d852a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -1482,6 +1482,13 @@ static void iwl_mvm_realloc_queues_after_restart(struct iwl_mvm *mvm, mvm_sta->sta_id, i); txq_id = iwl_mvm_tvqm_enable_txq(mvm, mvm_sta->sta_id, i, wdg); + /* + * on failures, just set it to IWL_MVM_INVALID_QUEUE + * to try again later, we have no other good way of + * failing here + */ + if (txq_id < 0) + txq_id = IWL_MVM_INVALID_QUEUE; tid_data->txq_id = txq_id; /* @@ -1950,30 +1957,73 @@ void iwl_mvm_dealloc_int_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *sta) sta->sta_id = IWL_MVM_INVALID_STA; } -static void iwl_mvm_enable_aux_snif_queue(struct iwl_mvm *mvm, u16 *queue, +static void iwl_mvm_enable_aux_snif_queue(struct iwl_mvm *mvm, u16 queue, u8 sta_id, u8 fifo) { unsigned int wdg_timeout = iwlmvm_mod_params.tfd_q_hang_detect ? mvm->trans->trans_cfg->base_params->wd_timeout : IWL_WATCHDOG_DISABLED; + struct iwl_trans_txq_scd_cfg cfg = { + .fifo = fifo, + .sta_id = sta_id, + .tid = IWL_MAX_TID_COUNT, + .aggregate = false, + .frame_limit = IWL_FRAME_LIMIT, + }; + + WARN_ON(iwl_mvm_has_new_tx_api(mvm)); + + iwl_mvm_enable_txq(mvm, NULL, queue, 0, &cfg, wdg_timeout); +} + +static int iwl_mvm_enable_aux_snif_queue_tvqm(struct iwl_mvm *mvm, u8 sta_id) +{ + unsigned int wdg_timeout = iwlmvm_mod_params.tfd_q_hang_detect ? + mvm->trans->trans_cfg->base_params->wd_timeout : + IWL_WATCHDOG_DISABLED; + + WARN_ON(!iwl_mvm_has_new_tx_api(mvm)); + + return iwl_mvm_tvqm_enable_txq(mvm, sta_id, IWL_MAX_TID_COUNT, + wdg_timeout); +} +static int iwl_mvm_add_int_sta_with_queue(struct iwl_mvm *mvm, int macidx, + int maccolor, + struct iwl_mvm_int_sta *sta, + u16 *queue, int fifo) +{ + int ret; + + /* Map queue to fifo - needs to happen before adding station */ + if (!iwl_mvm_has_new_tx_api(mvm)) + iwl_mvm_enable_aux_snif_queue(mvm, *queue, sta->sta_id, fifo); + + ret = iwl_mvm_add_int_sta_common(mvm, sta, NULL, macidx, maccolor); + if (ret) { + if (!iwl_mvm_has_new_tx_api(mvm)) + iwl_mvm_disable_txq(mvm, NULL, *queue, + IWL_MAX_TID_COUNT, 0); + return ret; + } + + /* + * For 22000 firmware and on we cannot add queue to a station unknown + * to firmware so enable queue here - after the station was added + */ if (iwl_mvm_has_new_tx_api(mvm)) { - int tvqm_queue = - iwl_mvm_tvqm_enable_txq(mvm, sta_id, - IWL_MAX_TID_COUNT, - wdg_timeout); - *queue = tvqm_queue; - } else { - struct iwl_trans_txq_scd_cfg cfg = { - .fifo = fifo, - .sta_id = sta_id, - .tid = IWL_MAX_TID_COUNT, - .aggregate = false, - .frame_limit = IWL_FRAME_LIMIT, - }; + int txq; - iwl_mvm_enable_txq(mvm, NULL, *queue, 0, &cfg, wdg_timeout); + txq = iwl_mvm_enable_aux_snif_queue_tvqm(mvm, sta->sta_id); + if (txq < 0) { + iwl_mvm_rm_sta_common(mvm, sta->sta_id); + return txq; + } + + *queue = txq; } + + return 0; } int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm) @@ -1989,59 +2039,26 @@ int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm) if (ret) return ret; - /* Map Aux queue to fifo - needs to happen before adding Aux station */ - if (!iwl_mvm_has_new_tx_api(mvm)) - iwl_mvm_enable_aux_snif_queue(mvm, &mvm->aux_queue, - mvm->aux_sta.sta_id, - IWL_MVM_TX_FIFO_MCAST); - - ret = iwl_mvm_add_int_sta_common(mvm, &mvm->aux_sta, NULL, - MAC_INDEX_AUX, 0); + ret = iwl_mvm_add_int_sta_with_queue(mvm, MAC_INDEX_AUX, 0, + &mvm->aux_sta, &mvm->aux_queue, + IWL_MVM_TX_FIFO_MCAST); if (ret) { iwl_mvm_dealloc_int_sta(mvm, &mvm->aux_sta); return ret; } - /* - * For 22000 firmware and on we cannot add queue to a station unknown - * to firmware so enable queue here - after the station was added - */ - if (iwl_mvm_has_new_tx_api(mvm)) - iwl_mvm_enable_aux_snif_queue(mvm, &mvm->aux_queue, - mvm->aux_sta.sta_id, - IWL_MVM_TX_FIFO_MCAST); - return 0; } int iwl_mvm_add_snif_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - int ret; lockdep_assert_held(&mvm->mutex); - /* Map snif queue to fifo - must happen before adding snif station */ - if (!iwl_mvm_has_new_tx_api(mvm)) - iwl_mvm_enable_aux_snif_queue(mvm, &mvm->snif_queue, - mvm->snif_sta.sta_id, + return iwl_mvm_add_int_sta_with_queue(mvm, mvmvif->id, mvmvif->color, + &mvm->snif_sta, &mvm->snif_queue, IWL_MVM_TX_FIFO_BE); - - ret = iwl_mvm_add_int_sta_common(mvm, &mvm->snif_sta, vif->addr, - mvmvif->id, 0); - if (ret) - return ret; - - /* - * For 22000 firmware and on we cannot add queue to a station unknown - * to firmware so enable queue here - after the station was added - */ - if (iwl_mvm_has_new_tx_api(mvm)) - iwl_mvm_enable_aux_snif_queue(mvm, &mvm->snif_queue, - mvm->snif_sta.sta_id, - IWL_MVM_TX_FIFO_BE); - - return 0; } int iwl_mvm_rm_snif_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) @@ -2133,6 +2150,10 @@ int iwl_mvm_send_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) queue = iwl_mvm_tvqm_enable_txq(mvm, bsta->sta_id, IWL_MAX_TID_COUNT, wdg_timeout); + if (queue < 0) { + iwl_mvm_rm_sta_common(mvm, bsta->sta_id); + return queue; + } if (vif->type == NL80211_IFTYPE_AP || vif->type == NL80211_IFTYPE_ADHOC) @@ -2307,10 +2328,8 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) } ret = iwl_mvm_add_int_sta_common(mvm, msta, maddr, mvmvif->id, mvmvif->color); - if (ret) { - iwl_mvm_dealloc_int_sta(mvm, msta); - return ret; - } + if (ret) + goto err; /* * Enable cab queue after the ADD_STA command is sent. @@ -2323,6 +2342,10 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) int queue = iwl_mvm_tvqm_enable_txq(mvm, msta->sta_id, 0, timeout); + if (queue < 0) { + ret = queue; + goto err; + } mvmvif->cab_queue = queue; } else if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) @@ -2330,6 +2353,9 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) timeout); return 0; +err: + iwl_mvm_dealloc_int_sta(mvm, msta); + return ret; } static int __iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, u8 sta_id, diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c index 75fa8a6aafee..74980382e64c 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c @@ -107,13 +107,9 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans, /* allocate ucode sections in dram and set addresses */ ret = iwl_pcie_init_fw_sec(trans, fw, &prph_scratch->dram); - if (ret) { - dma_free_coherent(trans->dev, - sizeof(*prph_scratch), - prph_scratch, - trans_pcie->prph_scratch_dma_addr); - return ret; - } + if (ret) + goto err_free_prph_scratch; + /* Allocate prph information * currently we don't assign to the prph info anything, but it would get @@ -121,16 +117,20 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans, prph_info = dma_alloc_coherent(trans->dev, sizeof(*prph_info), &trans_pcie->prph_info_dma_addr, GFP_KERNEL); - if (!prph_info) - return -ENOMEM; + if (!prph_info) { + ret = -ENOMEM; + goto err_free_prph_scratch; + } /* Allocate context info */ ctxt_info_gen3 = dma_alloc_coherent(trans->dev, sizeof(*ctxt_info_gen3), &trans_pcie->ctxt_info_dma_addr, GFP_KERNEL); - if (!ctxt_info_gen3) - return -ENOMEM; + if (!ctxt_info_gen3) { + ret = -ENOMEM; + goto err_free_prph_info; + } ctxt_info_gen3->prph_info_base_addr = cpu_to_le64(trans_pcie->prph_info_dma_addr); @@ -186,6 +186,20 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans, iwl_set_bit(trans, CSR_GP_CNTRL, CSR_AUTO_FUNC_INIT); return 0; + +err_free_prph_info: + dma_free_coherent(trans->dev, + sizeof(*prph_info), + prph_info, + trans_pcie->prph_info_dma_addr); + +err_free_prph_scratch: + dma_free_coherent(trans->dev, + sizeof(*prph_scratch), + prph_scratch, + trans_pcie->prph_scratch_dma_addr); + return ret; + } void iwl_pcie_ctxt_info_gen3_free(struct iwl_trans *trans) diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index e29c47744ef5..040cec17d3ad 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -513,31 +513,33 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x24FD, 0x9074, iwl8265_2ac_cfg)}, /* 9000 Series */ - {IWL_PCI_DEVICE(0x02F0, 0x0030, iwl9560_2ac_160_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x0034, iwl9560_2ac_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x0038, iwl9560_2ac_160_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x003C, iwl9560_2ac_160_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x0060, iwl9461_2ac_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x0064, iwl9461_2ac_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x00A0, iwl9462_2ac_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x00A4, iwl9462_2ac_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x0230, iwl9560_2ac_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x0234, iwl9560_2ac_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x0238, iwl9560_2ac_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x023C, iwl9560_2ac_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x0260, iwl9461_2ac_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x0264, iwl9461_2ac_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x02A0, iwl9462_2ac_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x02A4, iwl9462_2ac_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x1551, iwl9560_killer_s_2ac_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x1552, iwl9560_killer_i_2ac_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x2030, iwl9560_2ac_160_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x2034, iwl9560_2ac_160_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x4030, iwl9560_2ac_160_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x4034, iwl9560_2ac_160_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x40A4, iwl9462_2ac_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x4234, iwl9560_2ac_cfg_quz_a0_jf_b0_soc)}, - {IWL_PCI_DEVICE(0x02F0, 0x42A4, iwl9462_2ac_cfg_quz_a0_jf_b0_soc)}, + {IWL_PCI_DEVICE(0x02F0, 0x0030, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x0034, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x0038, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x003C, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x0060, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x0064, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x00A0, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x00A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x0230, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x0234, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x0238, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x023C, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x0260, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x0264, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x02A0, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x02A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x1030, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x1551, killer1550s_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x1552, killer1550i_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x2030, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x2034, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x4030, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x4034, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x40A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x4234, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x02F0, 0x42A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x06F0, 0x0030, iwl9560_2ac_160_cfg_quz_a0_jf_b0_soc)}, {IWL_PCI_DEVICE(0x06F0, 0x0034, iwl9560_2ac_cfg_quz_a0_jf_b0_soc)}, {IWL_PCI_DEVICE(0x06F0, 0x0038, iwl9560_2ac_160_cfg_quz_a0_jf_b0_soc)}, @@ -571,20 +573,20 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x2526, 0x0034, iwl9560_2ac_cfg)}, {IWL_PCI_DEVICE(0x2526, 0x0038, iwl9560_2ac_160_cfg)}, {IWL_PCI_DEVICE(0x2526, 0x003C, iwl9560_2ac_160_cfg)}, - {IWL_PCI_DEVICE(0x2526, 0x0060, iwl9460_2ac_cfg)}, - {IWL_PCI_DEVICE(0x2526, 0x0064, iwl9460_2ac_cfg)}, - {IWL_PCI_DEVICE(0x2526, 0x00A0, iwl9460_2ac_cfg)}, - {IWL_PCI_DEVICE(0x2526, 0x00A4, iwl9460_2ac_cfg)}, + {IWL_PCI_DEVICE(0x2526, 0x0060, iwl9461_2ac_cfg_soc)}, + {IWL_PCI_DEVICE(0x2526, 0x0064, iwl9461_2ac_cfg_soc)}, + {IWL_PCI_DEVICE(0x2526, 0x00A0, iwl9462_2ac_cfg_soc)}, + {IWL_PCI_DEVICE(0x2526, 0x00A4, iwl9462_2ac_cfg_soc)}, {IWL_PCI_DEVICE(0x2526, 0x0210, iwl9260_2ac_cfg)}, {IWL_PCI_DEVICE(0x2526, 0x0214, iwl9260_2ac_cfg)}, {IWL_PCI_DEVICE(0x2526, 0x0230, iwl9560_2ac_cfg)}, {IWL_PCI_DEVICE(0x2526, 0x0234, iwl9560_2ac_cfg)}, {IWL_PCI_DEVICE(0x2526, 0x0238, iwl9560_2ac_cfg)}, {IWL_PCI_DEVICE(0x2526, 0x023C, iwl9560_2ac_cfg)}, - {IWL_PCI_DEVICE(0x2526, 0x0260, iwl9460_2ac_cfg)}, + {IWL_PCI_DEVICE(0x2526, 0x0260, iwl9461_2ac_cfg_soc)}, {IWL_PCI_DEVICE(0x2526, 0x0264, iwl9461_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x2526, 0x02A0, iwl9460_2ac_cfg)}, - {IWL_PCI_DEVICE(0x2526, 0x02A4, iwl9460_2ac_cfg)}, + {IWL_PCI_DEVICE(0x2526, 0x02A0, iwl9462_2ac_cfg_soc)}, + {IWL_PCI_DEVICE(0x2526, 0x02A4, iwl9462_2ac_cfg_soc)}, {IWL_PCI_DEVICE(0x2526, 0x1010, iwl9260_2ac_cfg)}, {IWL_PCI_DEVICE(0x2526, 0x1030, iwl9560_2ac_cfg)}, {IWL_PCI_DEVICE(0x2526, 0x1210, iwl9260_2ac_cfg)}, @@ -601,7 +603,7 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x2526, 0x401C, iwl9260_2ac_160_cfg)}, {IWL_PCI_DEVICE(0x2526, 0x4030, iwl9560_2ac_160_cfg)}, {IWL_PCI_DEVICE(0x2526, 0x4034, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x2526, 0x40A4, iwl9460_2ac_cfg)}, + {IWL_PCI_DEVICE(0x2526, 0x40A4, iwl9462_2ac_cfg_soc)}, {IWL_PCI_DEVICE(0x2526, 0x4234, iwl9560_2ac_cfg_soc)}, {IWL_PCI_DEVICE(0x2526, 0x42A4, iwl9462_2ac_cfg_soc)}, {IWL_PCI_DEVICE(0x2526, 0x6010, iwl9260_2ac_160_cfg)}, @@ -616,33 +618,33 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x271B, 0x0210, iwl9160_2ac_cfg)}, {IWL_PCI_DEVICE(0x271B, 0x0214, iwl9260_2ac_cfg)}, {IWL_PCI_DEVICE(0x271C, 0x0214, iwl9260_2ac_cfg)}, - {IWL_PCI_DEVICE(0x2720, 0x0034, iwl9560_2ac_160_cfg)}, - {IWL_PCI_DEVICE(0x2720, 0x0038, iwl9560_2ac_160_cfg)}, - {IWL_PCI_DEVICE(0x2720, 0x003C, iwl9560_2ac_160_cfg)}, - {IWL_PCI_DEVICE(0x2720, 0x0060, iwl9461_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x2720, 0x0064, iwl9461_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x2720, 0x00A0, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x2720, 0x00A4, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x2720, 0x0230, iwl9560_2ac_cfg)}, - {IWL_PCI_DEVICE(0x2720, 0x0234, iwl9560_2ac_cfg)}, - {IWL_PCI_DEVICE(0x2720, 0x0238, iwl9560_2ac_cfg)}, - {IWL_PCI_DEVICE(0x2720, 0x023C, iwl9560_2ac_cfg)}, - {IWL_PCI_DEVICE(0x2720, 0x0260, iwl9461_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x2720, 0x0264, iwl9461_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x2720, 0x02A0, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x2720, 0x02A4, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x2720, 0x1010, iwl9260_2ac_cfg)}, - {IWL_PCI_DEVICE(0x2720, 0x1030, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x2720, 0x1210, iwl9260_2ac_cfg)}, - {IWL_PCI_DEVICE(0x2720, 0x1551, iwl9560_killer_s_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x2720, 0x1552, iwl9560_killer_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x2720, 0x2030, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x2720, 0x2034, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x2720, 0x4030, iwl9560_2ac_160_cfg)}, - {IWL_PCI_DEVICE(0x2720, 0x4034, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x2720, 0x40A4, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x2720, 0x4234, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x2720, 0x42A4, iwl9462_2ac_cfg_soc)}, + + {IWL_PCI_DEVICE(0x2720, 0x0034, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x0038, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x003C, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x0060, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x0064, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x00A0, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x00A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x0230, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x0234, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x0238, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x023C, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x0260, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x0264, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x02A0, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x02A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x1030, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x1551, killer1550s_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x1552, killer1550i_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x2030, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x2034, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x4030, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x4034, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x40A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x4234, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x2720, 0x42A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x30DC, 0x0030, iwl9560_2ac_160_cfg_soc)}, {IWL_PCI_DEVICE(0x30DC, 0x0034, iwl9560_2ac_cfg_soc)}, {IWL_PCI_DEVICE(0x30DC, 0x0038, iwl9560_2ac_160_cfg_soc)}, @@ -671,6 +673,7 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x30DC, 0x40A4, iwl9462_2ac_cfg_soc)}, {IWL_PCI_DEVICE(0x30DC, 0x4234, iwl9560_2ac_cfg_soc)}, {IWL_PCI_DEVICE(0x30DC, 0x42A4, iwl9462_2ac_cfg_soc)}, + {IWL_PCI_DEVICE(0x31DC, 0x0030, iwl9560_2ac_160_cfg_shared_clk)}, {IWL_PCI_DEVICE(0x31DC, 0x0034, iwl9560_2ac_cfg_shared_clk)}, {IWL_PCI_DEVICE(0x31DC, 0x0038, iwl9560_2ac_160_cfg_shared_clk)}, @@ -726,62 +729,60 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x34F0, 0x4234, iwl9560_2ac_cfg_qu_b0_jf_b0)}, {IWL_PCI_DEVICE(0x34F0, 0x42A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, - {IWL_PCI_DEVICE(0x3DF0, 0x0030, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x0034, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x0038, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x003C, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x0060, iwl9461_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x0064, iwl9461_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x00A0, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x00A4, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x0230, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x0234, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x0238, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x023C, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x0260, iwl9461_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x0264, iwl9461_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x02A0, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x02A4, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x1010, iwl9260_2ac_cfg)}, - {IWL_PCI_DEVICE(0x3DF0, 0x1030, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x1210, iwl9260_2ac_cfg)}, - {IWL_PCI_DEVICE(0x3DF0, 0x1551, iwl9560_killer_s_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x1552, iwl9560_killer_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x2030, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x2034, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x4030, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x4034, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x40A4, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x4234, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x3DF0, 0x42A4, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x0030, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x0034, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x0038, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x003C, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x0060, iwl9461_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x0064, iwl9461_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x00A0, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x00A4, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x0230, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x0234, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x0238, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x023C, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x0260, iwl9461_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x0264, iwl9461_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x02A0, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x02A4, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x1010, iwl9260_2ac_cfg)}, - {IWL_PCI_DEVICE(0x43F0, 0x1030, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x1210, iwl9260_2ac_cfg)}, - {IWL_PCI_DEVICE(0x43F0, 0x1551, iwl9560_killer_s_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x1552, iwl9560_killer_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x2030, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x2034, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x4030, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x4034, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x40A4, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x4234, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0x43F0, 0x42A4, iwl9462_2ac_cfg_soc)}, + {IWL_PCI_DEVICE(0x3DF0, 0x0030, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x0034, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x0038, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x003C, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x0060, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x0064, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x00A0, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x00A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x0230, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x0234, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x0238, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x023C, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x0260, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x0264, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x02A0, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x02A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x1030, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x1551, killer1550s_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x1552, killer1550i_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x2030, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x2034, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x4030, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x4034, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x40A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x4234, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x3DF0, 0x42A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + + {IWL_PCI_DEVICE(0x43F0, 0x0030, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x0034, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x0038, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x003C, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x0060, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x0064, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x00A0, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x00A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x0230, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x0234, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x0238, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x023C, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x0260, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x0264, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x02A0, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x02A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x1030, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x1551, killer1550s_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x1552, killer1550i_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x2030, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x2034, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x4030, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x4034, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x40A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x4234, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x43F0, 0x42A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0x9DF0, 0x0000, iwl9460_2ac_cfg_soc)}, {IWL_PCI_DEVICE(0x9DF0, 0x0010, iwl9460_2ac_cfg_soc)}, {IWL_PCI_DEVICE(0x9DF0, 0x0030, iwl9560_2ac_160_cfg_soc)}, @@ -821,34 +822,34 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x9DF0, 0x40A4, iwl9462_2ac_cfg_soc)}, {IWL_PCI_DEVICE(0x9DF0, 0x4234, iwl9560_2ac_cfg_soc)}, {IWL_PCI_DEVICE(0x9DF0, 0x42A4, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x0030, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x0034, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x0038, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x003C, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x0060, iwl9461_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x0064, iwl9461_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x00A0, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x00A4, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x0230, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x0234, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x0238, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x023C, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x0260, iwl9461_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x0264, iwl9461_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x02A0, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x02A4, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x1010, iwl9260_2ac_cfg)}, - {IWL_PCI_DEVICE(0xA0F0, 0x1030, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x1210, iwl9260_2ac_cfg)}, - {IWL_PCI_DEVICE(0xA0F0, 0x1551, iwl9560_killer_s_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x1552, iwl9560_killer_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x2030, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x2034, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x4030, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x4034, iwl9560_2ac_160_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x40A4, iwl9462_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x4234, iwl9560_2ac_cfg_soc)}, - {IWL_PCI_DEVICE(0xA0F0, 0x42A4, iwl9462_2ac_cfg_soc)}, + + {IWL_PCI_DEVICE(0xA0F0, 0x0030, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x0034, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x0038, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x003C, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x0060, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x0064, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x00A0, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x00A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x0230, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x0234, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x0238, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x023C, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x0260, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x0264, iwl9461_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x02A0, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x02A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x1030, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x1551, killer1550s_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x1552, killer1550i_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x2030, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x2034, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x4030, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x4034, iwl9560_2ac_160_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x40A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x4234, iwl9560_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA0F0, 0x42A4, iwl9462_2ac_cfg_qu_b0_jf_b0)}, + {IWL_PCI_DEVICE(0xA370, 0x0030, iwl9560_2ac_160_cfg_soc)}, {IWL_PCI_DEVICE(0xA370, 0x0034, iwl9560_2ac_cfg_soc)}, {IWL_PCI_DEVICE(0xA370, 0x0038, iwl9560_2ac_160_cfg_soc)}, @@ -1067,11 +1068,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } } else if (CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id) == CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HR) && - ((cfg != &iwl_ax200_cfg_cc && - cfg != &killer1650x_2ax_cfg && - cfg != &killer1650w_2ax_cfg && - cfg != &iwl_ax201_cfg_quz_hr) || - iwl_trans->hw_rev == CSR_HW_REV_TYPE_QNJ_B0)) { + iwl_trans->hw_rev == CSR_HW_REV_TYPE_QNJ_B0) { u32 hw_status; hw_status = iwl_read_prph(iwl_trans, UMAG_GEN_HW_STATUS); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c index df8455f14e4d..ca3bb4d65b00 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c @@ -57,6 +57,24 @@ #include "internal.h" #include "fw/dbg.h" +static int iwl_pcie_gen2_force_power_gating(struct iwl_trans *trans) +{ + iwl_set_bits_prph(trans, HPM_HIPM_GEN_CFG, + HPM_HIPM_GEN_CFG_CR_FORCE_ACTIVE); + udelay(20); + iwl_set_bits_prph(trans, HPM_HIPM_GEN_CFG, + HPM_HIPM_GEN_CFG_CR_PG_EN | + HPM_HIPM_GEN_CFG_CR_SLP_EN); + udelay(20); + iwl_clear_bits_prph(trans, HPM_HIPM_GEN_CFG, + HPM_HIPM_GEN_CFG_CR_FORCE_ACTIVE); + + iwl_trans_sw_reset(trans); + iwl_clear_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); + + return 0; +} + /* * Start up NIC's basic functionality after it has been reset * (e.g. after platform boot, or shutdown via iwl_pcie_apm_stop()) @@ -92,6 +110,13 @@ int iwl_pcie_gen2_apm_init(struct iwl_trans *trans) iwl_pcie_apm_config(trans); + if (trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_22000 && + trans->cfg->integrated) { + ret = iwl_pcie_gen2_force_power_gating(trans); + if (ret) + return ret; + } + ret = iwl_finish_nic_init(trans, trans->trans_cfg); if (ret) return ret; diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index f8a1f985a1d8..6961f00ff812 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -3272,11 +3272,17 @@ static struct iwl_trans_dump_data ptr = cmdq->write_ptr; for (i = 0; i < cmdq->n_window; i++) { u8 idx = iwl_pcie_get_cmd_index(cmdq, ptr); + u8 tfdidx; u32 caplen, cmdlen; + if (trans->trans_cfg->use_tfh) + tfdidx = idx; + else + tfdidx = ptr; + cmdlen = iwl_trans_pcie_get_cmdlen(trans, - cmdq->tfds + - tfd_size * ptr); + (u8 *)cmdq->tfds + + tfd_size * tfdidx); caplen = min_t(u32, TFD_MAX_PAYLOAD_SIZE, cmdlen); if (cmdlen) { @@ -3450,6 +3456,15 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, spin_lock_init(&trans_pcie->reg_lock); mutex_init(&trans_pcie->mutex); init_waitqueue_head(&trans_pcie->ucode_write_waitq); + + trans_pcie->rba.alloc_wq = alloc_workqueue("rb_allocator", + WQ_HIGHPRI | WQ_UNBOUND, 1); + if (!trans_pcie->rba.alloc_wq) { + ret = -ENOMEM; + goto out_free_trans; + } + INIT_WORK(&trans_pcie->rba.rx_alloc, iwl_pcie_rx_allocator_work); + trans_pcie->tso_hdr_page = alloc_percpu(struct iwl_tso_hdr_page); if (!trans_pcie->tso_hdr_page) { ret = -ENOMEM; @@ -3584,10 +3599,6 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, trans_pcie->inta_mask = CSR_INI_SET_MASK; } - trans_pcie->rba.alloc_wq = alloc_workqueue("rb_allocator", - WQ_HIGHPRI | WQ_UNBOUND, 1); - INIT_WORK(&trans_pcie->rba.rx_alloc, iwl_pcie_rx_allocator_work); - #ifdef CONFIG_IWLWIFI_DEBUGFS trans_pcie->fw_mon_data.state = IWL_FW_MON_DBGFS_STATE_CLOSED; mutex_init(&trans_pcie->fw_mon_data.mutex); @@ -3599,6 +3610,8 @@ out_free_ict: iwl_pcie_free_ict(trans); out_no_pci: free_percpu(trans_pcie->tso_hdr_page); + destroy_workqueue(trans_pcie->rba.alloc_wq); +out_free_trans: iwl_trans_free(trans); return ERR_PTR(ret); } diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c index 8894027429d6..d80f71f82a6d 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c @@ -251,27 +251,23 @@ static int iwl_pcie_gen2_build_amsdu(struct iwl_trans *trans, struct ieee80211_hdr *hdr = (void *)skb->data; unsigned int snap_ip_tcp_hdrlen, ip_hdrlen, total_len, hdr_room; unsigned int mss = skb_shinfo(skb)->gso_size; - u16 length, iv_len, amsdu_pad; + u16 length, amsdu_pad; u8 *start_hdr; struct iwl_tso_hdr_page *hdr_page; struct page **page_ptr; struct tso_t tso; - /* if the packet is protected, then it must be CCMP or GCMP */ - iv_len = ieee80211_has_protected(hdr->frame_control) ? - IEEE80211_CCMP_HDR_LEN : 0; - trace_iwlwifi_dev_tx(trans->dev, skb, tfd, sizeof(*tfd), &dev_cmd->hdr, start_len, 0); ip_hdrlen = skb_transport_header(skb) - skb_network_header(skb); snap_ip_tcp_hdrlen = 8 + ip_hdrlen + tcp_hdrlen(skb); - total_len = skb->len - snap_ip_tcp_hdrlen - hdr_len - iv_len; + total_len = skb->len - snap_ip_tcp_hdrlen - hdr_len; amsdu_pad = 0; /* total amount of header we may need for this A-MSDU */ hdr_room = DIV_ROUND_UP(total_len, mss) * - (3 + snap_ip_tcp_hdrlen + sizeof(struct ethhdr)) + iv_len; + (3 + snap_ip_tcp_hdrlen + sizeof(struct ethhdr)); /* Our device supports 9 segments at most, it will fit in 1 page */ hdr_page = get_page_hdr(trans, hdr_room); @@ -282,14 +278,12 @@ static int iwl_pcie_gen2_build_amsdu(struct iwl_trans *trans, start_hdr = hdr_page->pos; page_ptr = (void *)((u8 *)skb->cb + trans_pcie->page_offs); *page_ptr = hdr_page->page; - memcpy(hdr_page->pos, skb->data + hdr_len, iv_len); - hdr_page->pos += iv_len; /* - * Pull the ieee80211 header + IV to be able to use TSO core, + * Pull the ieee80211 header to be able to use TSO core, * we will restore it for the tx_status flow. */ - skb_pull(skb, hdr_len + iv_len); + skb_pull(skb, hdr_len); /* * Remove the length of all the headers that we don't actually @@ -364,8 +358,8 @@ static int iwl_pcie_gen2_build_amsdu(struct iwl_trans *trans, } } - /* re -add the WiFi header and IV */ - skb_push(skb, hdr_len + iv_len); + /* re -add the WiFi header */ + skb_push(skb, hdr_len); return 0; diff --git a/drivers/net/wireless/intersil/hostap/hostap_hw.c b/drivers/net/wireless/intersil/hostap/hostap_hw.c index 158a3d762e55..e323e9a5999f 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_hw.c +++ b/drivers/net/wireless/intersil/hostap/hostap_hw.c @@ -3041,30 +3041,6 @@ static void prism2_clear_set_tim_queue(local_info_t *local) } } - -/* - * HostAP uses two layers of net devices, where the inner - * layer gets called all the time from the outer layer. - * This is a natural nesting, which needs a split lock type. - */ -static struct lock_class_key hostap_netdev_xmit_lock_key; -static struct lock_class_key hostap_netdev_addr_lock_key; - -static void prism2_set_lockdep_class_one(struct net_device *dev, - struct netdev_queue *txq, - void *_unused) -{ - lockdep_set_class(&txq->_xmit_lock, - &hostap_netdev_xmit_lock_key); -} - -static void prism2_set_lockdep_class(struct net_device *dev) -{ - lockdep_set_class(&dev->addr_list_lock, - &hostap_netdev_addr_lock_key); - netdev_for_each_tx_queue(dev, prism2_set_lockdep_class_one, NULL); -} - static struct net_device * prism2_init_local_data(struct prism2_helper_functions *funcs, int card_idx, struct device *sdev) @@ -3223,7 +3199,6 @@ while (0) if (ret >= 0) ret = register_netdevice(dev); - prism2_set_lockdep_class(dev); rtnl_unlock(); if (ret < 0) { printk(KERN_WARNING "%s: register netdevice failed!\n", diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 45c73a6f09a1..14f562cd715c 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -4026,7 +4026,7 @@ static int __init init_mac80211_hwsim(void) err = dev_alloc_name(hwsim_mon, hwsim_mon->name); if (err < 0) { rtnl_unlock(); - goto out_free_radios; + goto out_free_mon; } err = register_netdevice(hwsim_mon); diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile index 4d03596e891f..d7a1ddc9e407 100644 --- a/drivers/net/wireless/mediatek/mt76/Makefile +++ b/drivers/net/wireless/mediatek/mt76/Makefile @@ -8,6 +8,8 @@ mt76-y := \ mmio.o util.o trace.o dma.o mac80211.o debugfs.o eeprom.o \ tx.o agg-rx.o mcu.o +mt76-$(CONFIG_PCI) += pci.o + mt76-usb-y := usb.o usb_trace.o CFLAGS_trace.o := -I$(src) diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index c747eb24581c..8f69d00bd940 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -53,8 +53,10 @@ mt76_dma_add_buf(struct mt76_dev *dev, struct mt76_queue *q, u32 ctrl; int i, idx = -1; - if (txwi) + if (txwi) { q->entry[q->head].txwi = DMA_DUMMY_DATA; + q->entry[q->head].skip_buf0 = true; + } for (i = 0; i < nbufs; i += 2, buf += 2) { u32 buf0 = buf[0].addr, buf1 = 0; @@ -97,7 +99,7 @@ mt76_dma_tx_cleanup_idx(struct mt76_dev *dev, struct mt76_queue *q, int idx, __le32 __ctrl = READ_ONCE(q->desc[idx].ctrl); u32 ctrl = le32_to_cpu(__ctrl); - if (!e->txwi || !e->skb) { + if (!e->skip_buf0) { __le32 addr = READ_ONCE(q->desc[idx].buf0); u32 len = FIELD_GET(MT_DMA_CTL_SD_LEN0, ctrl); diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index 570c159515a0..8aec7ccf2d79 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -93,8 +93,9 @@ struct mt76_queue_entry { struct urb *urb; }; enum mt76_txq_id qid; - bool schedule; - bool done; + bool skip_buf0:1; + bool schedule:1; + bool done:1; }; struct mt76_queue_regs { @@ -578,6 +579,7 @@ bool __mt76_poll_msec(struct mt76_dev *dev, u32 offset, u32 mask, u32 val, #define mt76_poll_msec(dev, ...) __mt76_poll_msec(&((dev)->mt76), __VA_ARGS__) void mt76_mmio_init(struct mt76_dev *dev, void __iomem *regs); +void mt76_pci_disable_aspm(struct pci_dev *pdev); static inline u16 mt76_chip(struct mt76_dev *dev) { diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c index 73c3104f8858..cf611d1b817c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c @@ -81,6 +81,8 @@ mt76pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) /* RG_SSUSB_CDR_BR_PE1D = 0x3 */ mt76_rmw_field(dev, 0x15c58, 0x3 << 6, 0x3); + mt76_pci_disable_aspm(pdev); + return 0; error: diff --git a/drivers/net/wireless/mediatek/mt76/pci.c b/drivers/net/wireless/mediatek/mt76/pci.c new file mode 100644 index 000000000000..04c5a692bc85 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/pci.c @@ -0,0 +1,46 @@ +// SPDX-License-Identifier: ISC +/* + * Copyright (C) 2019 Lorenzo Bianconi <lorenzo@kernel.org> + */ + +#include <linux/pci.h> + +void mt76_pci_disable_aspm(struct pci_dev *pdev) +{ + struct pci_dev *parent = pdev->bus->self; + u16 aspm_conf, parent_aspm_conf = 0; + + pcie_capability_read_word(pdev, PCI_EXP_LNKCTL, &aspm_conf); + aspm_conf &= PCI_EXP_LNKCTL_ASPMC; + if (parent) { + pcie_capability_read_word(parent, PCI_EXP_LNKCTL, + &parent_aspm_conf); + parent_aspm_conf &= PCI_EXP_LNKCTL_ASPMC; + } + + if (!aspm_conf && (!parent || !parent_aspm_conf)) { + /* aspm already disabled */ + return; + } + + dev_info(&pdev->dev, "disabling ASPM %s %s\n", + (aspm_conf & PCI_EXP_LNKCTL_ASPM_L0S) ? "L0s" : "", + (aspm_conf & PCI_EXP_LNKCTL_ASPM_L1) ? "L1" : ""); + + if (IS_ENABLED(CONFIG_PCIEASPM)) { + int err; + + err = pci_disable_link_state(pdev, aspm_conf); + if (!err) + return; + } + + /* both device and parent should have the same ASPM setting. + * disable ASPM in downstream component first and then upstream. + */ + pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL, aspm_conf); + if (parent) + pcie_capability_clear_word(parent, PCI_EXP_LNKCTL, + aspm_conf); +} +EXPORT_SYMBOL_GPL(mt76_pci_disable_aspm); diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00.h b/drivers/net/wireless/ralink/rt2x00/rt2x00.h index 2b216edd0c7d..a90a518b40d3 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h @@ -23,7 +23,6 @@ #include <linux/leds.h> #include <linux/mutex.h> #include <linux/etherdevice.h> -#include <linux/input-polldev.h> #include <linux/kfifo.h> #include <linux/hrtimer.h> #include <linux/average.h> diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00debug.c b/drivers/net/wireless/ralink/rt2x00/rt2x00debug.c index 4d4e3888ef20..f2395309ec00 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00debug.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00debug.c @@ -555,7 +555,7 @@ static ssize_t rt2x00debug_write_restart_hw(struct file *file, { struct rt2x00debug_intf *intf = file->private_data; struct rt2x00_dev *rt2x00dev = intf->rt2x00dev; - static unsigned long last_reset; + static unsigned long last_reset = INITIAL_JIFFIES; if (!rt2x00_has_cap_restart_hw(rt2x00dev)) return -EOPNOTSUPP; diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c index 6087ec7a90a6..f88d26535978 100644 --- a/drivers/net/wireless/realtek/rtlwifi/pci.c +++ b/drivers/net/wireless/realtek/rtlwifi/pci.c @@ -822,7 +822,7 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) hdr = rtl_get_hdr(skb); fc = rtl_get_fc(skb); - if (!stats.crc && !stats.hwerror) { + if (!stats.crc && !stats.hwerror && (skb->len > FCS_LEN)) { memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status)); @@ -859,6 +859,7 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) _rtl_pci_rx_to_mac80211(hw, skb, rx_status); } } else { + /* drop packets with errors or those too short */ dev_kfree_skb_any(skb); } new_trx_end: diff --git a/drivers/net/wireless/realtek/rtlwifi/ps.c b/drivers/net/wireless/realtek/rtlwifi/ps.c index 70f04c2f5b17..fff8dda14023 100644 --- a/drivers/net/wireless/realtek/rtlwifi/ps.c +++ b/drivers/net/wireless/realtek/rtlwifi/ps.c @@ -754,6 +754,9 @@ static void rtl_p2p_noa_ie(struct ieee80211_hw *hw, void *data, return; } else { noa_num = (noa_len - 2) / 13; + if (noa_num > P2P_MAX_NOA_NUM) + noa_num = P2P_MAX_NOA_NUM; + } noa_index = ie[3]; if (rtlpriv->psc.p2p_ps_info.p2p_ps_mode == @@ -848,6 +851,9 @@ static void rtl_p2p_action_ie(struct ieee80211_hw *hw, void *data, return; } else { noa_num = (noa_len - 2) / 13; + if (noa_num > P2P_MAX_NOA_NUM) + noa_num = P2P_MAX_NOA_NUM; + } noa_index = ie[3]; if (rtlpriv->psc.p2p_ps_info.p2p_ps_mode == diff --git a/drivers/net/wireless/virt_wifi.c b/drivers/net/wireless/virt_wifi.c index be92e1220284..7997cc6de334 100644 --- a/drivers/net/wireless/virt_wifi.c +++ b/drivers/net/wireless/virt_wifi.c @@ -548,6 +548,7 @@ static int virt_wifi_newlink(struct net *src_net, struct net_device *dev, priv->is_connected = false; priv->is_up = false; INIT_DELAYED_WORK(&priv->connect, virt_wifi_connect_complete); + __module_get(THIS_MODULE); return 0; unregister_netdev: @@ -578,6 +579,7 @@ static void virt_wifi_dellink(struct net_device *dev, netdev_upper_dev_unlink(priv->lowerdev, dev); unregister_netdevice_queue(dev, head); + module_put(THIS_MODULE); /* Deleting the wiphy is handled in the module destructor. */ } @@ -590,6 +592,42 @@ static struct rtnl_link_ops virt_wifi_link_ops = { .priv_size = sizeof(struct virt_wifi_netdev_priv), }; +static bool netif_is_virt_wifi_dev(const struct net_device *dev) +{ + return rcu_access_pointer(dev->rx_handler) == virt_wifi_rx_handler; +} + +static int virt_wifi_event(struct notifier_block *this, unsigned long event, + void *ptr) +{ + struct net_device *lower_dev = netdev_notifier_info_to_dev(ptr); + struct virt_wifi_netdev_priv *priv; + struct net_device *upper_dev; + LIST_HEAD(list_kill); + + if (!netif_is_virt_wifi_dev(lower_dev)) + return NOTIFY_DONE; + + switch (event) { + case NETDEV_UNREGISTER: + priv = rtnl_dereference(lower_dev->rx_handler_data); + if (!priv) + return NOTIFY_DONE; + + upper_dev = priv->upperdev; + + upper_dev->rtnl_link_ops->dellink(upper_dev, &list_kill); + unregister_netdevice_many(&list_kill); + break; + } + + return NOTIFY_DONE; +} + +static struct notifier_block virt_wifi_notifier = { + .notifier_call = virt_wifi_event, +}; + /* Acquires and releases the rtnl lock. */ static int __init virt_wifi_init_module(void) { @@ -598,14 +636,25 @@ static int __init virt_wifi_init_module(void) /* Guaranteed to be locallly-administered and not multicast. */ eth_random_addr(fake_router_bssid); + err = register_netdevice_notifier(&virt_wifi_notifier); + if (err) + return err; + + err = -ENOMEM; common_wiphy = virt_wifi_make_wiphy(); if (!common_wiphy) - return -ENOMEM; + goto notifier; err = rtnl_link_register(&virt_wifi_link_ops); if (err) - virt_wifi_destroy_wiphy(common_wiphy); + goto destroy_wiphy; + return 0; + +destroy_wiphy: + virt_wifi_destroy_wiphy(common_wiphy); +notifier: + unregister_netdevice_notifier(&virt_wifi_notifier); return err; } @@ -615,6 +664,7 @@ static void __exit virt_wifi_cleanup_module(void) /* Will delete any devices that depend on the wiphy. */ rtnl_link_unregister(&virt_wifi_link_ops); virt_wifi_destroy_wiphy(common_wiphy); + unregister_netdevice_notifier(&virt_wifi_notifier); } module_init(virt_wifi_init_module); diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index 240f762b3749..103ed00775eb 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -719,7 +719,6 @@ err_unmap: xenvif_unmap_frontend_data_rings(queue); netif_napi_del(&queue->napi); err: - module_put(THIS_MODULE); return err; } diff --git a/drivers/nfc/fdp/i2c.c b/drivers/nfc/fdp/i2c.c index 1cd113c8d7cb..ad0abb1f0bae 100644 --- a/drivers/nfc/fdp/i2c.c +++ b/drivers/nfc/fdp/i2c.c @@ -259,7 +259,7 @@ static void fdp_nci_i2c_read_device_properties(struct device *dev, *fw_vsc_cfg, len); if (r) { - devm_kfree(dev, fw_vsc_cfg); + devm_kfree(dev, *fw_vsc_cfg); goto vsc_read_err; } } else { diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c index 307bd2afbe05..4d1909aecd6c 100644 --- a/drivers/nfc/nxp-nci/i2c.c +++ b/drivers/nfc/nxp-nci/i2c.c @@ -220,8 +220,10 @@ static irqreturn_t nxp_nci_i2c_irq_thread_fn(int irq, void *phy_id) if (r == -EREMOTEIO) { phy->hard_fault = r; - skb = NULL; - } else if (r < 0) { + if (info->mode == NXP_NCI_MODE_FW) + nxp_nci_fw_recv_frame(phy->ndev, NULL); + } + if (r < 0) { nfc_err(&client->dev, "Read failed with error %d\n", r); goto exit_irq_handled; } diff --git a/drivers/nfc/pn533/usb.c b/drivers/nfc/pn533/usb.c index c5289eaf17ee..e897e4d768ef 100644 --- a/drivers/nfc/pn533/usb.c +++ b/drivers/nfc/pn533/usb.c @@ -547,18 +547,25 @@ static int pn533_usb_probe(struct usb_interface *interface, rc = pn533_finalize_setup(priv); if (rc) - goto error; + goto err_deregister; usb_set_intfdata(interface, phy); return 0; +err_deregister: + pn533_unregister_device(phy->priv); error: + usb_kill_urb(phy->in_urb); + usb_kill_urb(phy->out_urb); + usb_kill_urb(phy->ack_urb); + usb_free_urb(phy->in_urb); usb_free_urb(phy->out_urb); usb_free_urb(phy->ack_urb); usb_put_dev(phy->udev); kfree(in_buf); + kfree(phy->ack_buffer); return rc; } diff --git a/drivers/nfc/port100.c b/drivers/nfc/port100.c index 145ddf3f0a45..604dba4f18af 100644 --- a/drivers/nfc/port100.c +++ b/drivers/nfc/port100.c @@ -783,7 +783,7 @@ static int port100_send_frame_async(struct port100 *dev, struct sk_buff *out, rc = port100_submit_urb_for_ack(dev, GFP_KERNEL); if (rc) - usb_unlink_urb(dev->out_urb); + usb_kill_urb(dev->out_urb); exit: mutex_unlock(&dev->out_urb_lock); diff --git a/drivers/nfc/st21nfca/core.c b/drivers/nfc/st21nfca/core.c index f9ac176cf257..2ce17932a073 100644 --- a/drivers/nfc/st21nfca/core.c +++ b/drivers/nfc/st21nfca/core.c @@ -708,6 +708,7 @@ static int st21nfca_hci_complete_target_discovered(struct nfc_hci_dev *hdev, NFC_PROTO_FELICA_MASK; } else { kfree_skb(nfcid_skb); + nfcid_skb = NULL; /* P2P in type A */ r = nfc_hci_get_param(hdev, ST21NFCA_RF_READER_F_GATE, ST21NFCA_RF_READER_F_NFCID1, diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 9696404a6182..8e8527408db3 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -116,10 +116,26 @@ static void nvme_queue_scan(struct nvme_ctrl *ctrl) /* * Only new queue scan work when admin and IO queues are both alive */ - if (ctrl->state == NVME_CTRL_LIVE) + if (ctrl->state == NVME_CTRL_LIVE && ctrl->tagset) queue_work(nvme_wq, &ctrl->scan_work); } +/* + * Use this function to proceed with scheduling reset_work for a controller + * that had previously been set to the resetting state. This is intended for + * code paths that can't be interrupted by other reset attempts. A hot removal + * may prevent this from succeeding. + */ +int nvme_try_sched_reset(struct nvme_ctrl *ctrl) +{ + if (ctrl->state != NVME_CTRL_RESETTING) + return -EBUSY; + if (!queue_work(nvme_reset_wq, &ctrl->reset_work)) + return -EBUSY; + return 0; +} +EXPORT_SYMBOL_GPL(nvme_try_sched_reset); + int nvme_reset_ctrl(struct nvme_ctrl *ctrl) { if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING)) @@ -137,8 +153,7 @@ int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl) ret = nvme_reset_ctrl(ctrl); if (!ret) { flush_work(&ctrl->reset_work); - if (ctrl->state != NVME_CTRL_LIVE && - ctrl->state != NVME_CTRL_ADMIN_ONLY) + if (ctrl->state != NVME_CTRL_LIVE) ret = -ENETRESET; } @@ -317,15 +332,6 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, old_state = ctrl->state; switch (new_state) { - case NVME_CTRL_ADMIN_ONLY: - switch (old_state) { - case NVME_CTRL_CONNECTING: - changed = true; - /* FALLTHRU */ - default: - break; - } - break; case NVME_CTRL_LIVE: switch (old_state) { case NVME_CTRL_NEW: @@ -341,7 +347,6 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, switch (old_state) { case NVME_CTRL_NEW: case NVME_CTRL_LIVE: - case NVME_CTRL_ADMIN_ONLY: changed = true; /* FALLTHRU */ default: @@ -361,7 +366,6 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, case NVME_CTRL_DELETING: switch (old_state) { case NVME_CTRL_LIVE: - case NVME_CTRL_ADMIN_ONLY: case NVME_CTRL_RESETTING: case NVME_CTRL_CONNECTING: changed = true; @@ -383,8 +387,10 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, break; } - if (changed) + if (changed) { ctrl->state = new_state; + wake_up_all(&ctrl->state_wq); + } spin_unlock_irqrestore(&ctrl->lock, flags); if (changed && ctrl->state == NVME_CTRL_LIVE) @@ -393,6 +399,39 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, } EXPORT_SYMBOL_GPL(nvme_change_ctrl_state); +/* + * Returns true for sink states that can't ever transition back to live. + */ +static bool nvme_state_terminal(struct nvme_ctrl *ctrl) +{ + switch (ctrl->state) { + case NVME_CTRL_NEW: + case NVME_CTRL_LIVE: + case NVME_CTRL_RESETTING: + case NVME_CTRL_CONNECTING: + return false; + case NVME_CTRL_DELETING: + case NVME_CTRL_DEAD: + return true; + default: + WARN_ONCE(1, "Unhandled ctrl state:%d", ctrl->state); + return true; + } +} + +/* + * Waits for the controller state to be resetting, or returns false if it is + * not possible to ever transition to that state. + */ +bool nvme_wait_reset(struct nvme_ctrl *ctrl) +{ + wait_event(ctrl->state_wq, + nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING) || + nvme_state_terminal(ctrl)); + return ctrl->state == NVME_CTRL_RESETTING; +} +EXPORT_SYMBOL_GPL(nvme_wait_reset); + static void nvme_free_ns_head(struct kref *ref) { struct nvme_ns_head *head = @@ -1314,8 +1353,6 @@ static void nvme_update_formats(struct nvme_ctrl *ctrl) if (ns->disk && nvme_revalidate_disk(ns->disk)) nvme_set_queue_dying(ns); up_read(&ctrl->namespaces_rwsem); - - nvme_remove_invalid_namespaces(ctrl, NVME_NSID_ALL); } static void nvme_passthru_end(struct nvme_ctrl *ctrl, u32 effects) @@ -1331,6 +1368,7 @@ static void nvme_passthru_end(struct nvme_ctrl *ctrl, u32 effects) nvme_unfreeze(ctrl); nvme_mpath_unfreeze(ctrl->subsys); mutex_unlock(&ctrl->subsys->lock); + nvme_remove_invalid_namespaces(ctrl, NVME_NSID_ALL); mutex_unlock(&ctrl->scan_lock); } if (effects & NVME_CMD_EFFECTS_CCC) @@ -2888,7 +2926,6 @@ static int nvme_dev_open(struct inode *inode, struct file *file) switch (ctrl->state) { case NVME_CTRL_LIVE: - case NVME_CTRL_ADMIN_ONLY: break; default: return -EWOULDBLOCK; @@ -3182,7 +3219,6 @@ static ssize_t nvme_sysfs_show_state(struct device *dev, static const char *const state_name[] = { [NVME_CTRL_NEW] = "new", [NVME_CTRL_LIVE] = "live", - [NVME_CTRL_ADMIN_ONLY] = "only-admin", [NVME_CTRL_RESETTING] = "resetting", [NVME_CTRL_CONNECTING] = "connecting", [NVME_CTRL_DELETING] = "deleting", @@ -3693,11 +3729,10 @@ static void nvme_scan_work(struct work_struct *work) struct nvme_id_ctrl *id; unsigned nn; - if (ctrl->state != NVME_CTRL_LIVE) + /* No tagset on a live ctrl means IO queues could not created */ + if (ctrl->state != NVME_CTRL_LIVE || !ctrl->tagset) return; - WARN_ON_ONCE(!ctrl->tagset); - if (test_and_clear_bit(NVME_AER_NOTICE_NS_CHANGED, &ctrl->events)) { dev_info(ctrl->device, "rescanning namespaces.\n"); nvme_clear_changed_ns_log(ctrl); @@ -3858,13 +3893,13 @@ static void nvme_fw_act_work(struct work_struct *work) if (time_after(jiffies, fw_act_timeout)) { dev_warn(ctrl->device, "Fw activation timeout, reset controller\n"); - nvme_reset_ctrl(ctrl); - break; + nvme_try_sched_reset(ctrl); + return; } msleep(100); } - if (ctrl->state != NVME_CTRL_LIVE) + if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_LIVE)) return; nvme_start_queues(ctrl); @@ -3884,7 +3919,13 @@ static void nvme_handle_aen_notice(struct nvme_ctrl *ctrl, u32 result) nvme_queue_scan(ctrl); break; case NVME_AER_NOTICE_FW_ACT_STARTING: - queue_work(nvme_wq, &ctrl->fw_act_work); + /* + * We are (ab)using the RESETTING state to prevent subsequent + * recovery actions from interfering with the controller's + * firmware activation. + */ + if (nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING)) + queue_work(nvme_wq, &ctrl->fw_act_work); break; #ifdef CONFIG_NVME_MULTIPATH case NVME_AER_NOTICE_ANA: @@ -4007,6 +4048,7 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev, INIT_WORK(&ctrl->async_event_work, nvme_async_event_work); INIT_WORK(&ctrl->fw_act_work, nvme_fw_act_work); INIT_WORK(&ctrl->delete_work, nvme_delete_ctrl_work); + init_waitqueue_head(&ctrl->state_wq); INIT_DELAYED_WORK(&ctrl->ka_work, nvme_keep_alive_work); memset(&ctrl->ka_cmd, 0, sizeof(ctrl->ka_cmd)); diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h index 93f08d77c896..a0ec40ab62ee 100644 --- a/drivers/nvme/host/fabrics.h +++ b/drivers/nvme/host/fabrics.h @@ -182,8 +182,7 @@ bool nvmf_ip_options_match(struct nvme_ctrl *ctrl, static inline bool nvmf_check_ready(struct nvme_ctrl *ctrl, struct request *rq, bool queue_live) { - if (likely(ctrl->state == NVME_CTRL_LIVE || - ctrl->state == NVME_CTRL_ADMIN_ONLY)) + if (likely(ctrl->state == NVME_CTRL_LIVE)) return true; return __nvmf_check_ready(ctrl, rq, queue_live); } diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 682be6195a95..797c18337d96 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -159,9 +159,11 @@ void nvme_mpath_clear_ctrl_paths(struct nvme_ctrl *ctrl) struct nvme_ns *ns; mutex_lock(&ctrl->scan_lock); + down_read(&ctrl->namespaces_rwsem); list_for_each_entry(ns, &ctrl->namespaces, list) if (nvme_mpath_clear_current_path(ns)) kblockd_schedule_work(&ns->head->requeue_work); + up_read(&ctrl->namespaces_rwsem); mutex_unlock(&ctrl->scan_lock); } @@ -527,14 +529,13 @@ static int nvme_update_ana_state(struct nvme_ctrl *ctrl, return 0; } -static int nvme_read_ana_log(struct nvme_ctrl *ctrl, bool groups_only) +static int nvme_read_ana_log(struct nvme_ctrl *ctrl) { u32 nr_change_groups = 0; int error; mutex_lock(&ctrl->ana_lock); - error = nvme_get_log(ctrl, NVME_NSID_ALL, NVME_LOG_ANA, - groups_only ? NVME_ANA_LOG_RGO : 0, + error = nvme_get_log(ctrl, NVME_NSID_ALL, NVME_LOG_ANA, 0, ctrl->ana_log_buf, ctrl->ana_log_size, 0); if (error) { dev_warn(ctrl->device, "Failed to get ANA log: %d\n", error); @@ -570,7 +571,7 @@ static void nvme_ana_work(struct work_struct *work) { struct nvme_ctrl *ctrl = container_of(work, struct nvme_ctrl, ana_work); - nvme_read_ana_log(ctrl, false); + nvme_read_ana_log(ctrl); } static void nvme_anatt_timeout(struct timer_list *t) @@ -720,7 +721,7 @@ int nvme_mpath_init(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) goto out; } - error = nvme_read_ana_log(ctrl, true); + error = nvme_read_ana_log(ctrl); if (error) goto out_free_ana_log_buf; return 0; diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 34ac79c5e309..3b9cbe0668fa 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -15,6 +15,7 @@ #include <linux/sed-opal.h> #include <linux/fault-inject.h> #include <linux/rcupdate.h> +#include <linux/wait.h> #include <trace/events/block.h> @@ -166,7 +167,6 @@ static inline u16 nvme_req_qid(struct request *req) enum nvme_ctrl_state { NVME_CTRL_NEW, NVME_CTRL_LIVE, - NVME_CTRL_ADMIN_ONLY, /* Only admin queue live */ NVME_CTRL_RESETTING, NVME_CTRL_CONNECTING, NVME_CTRL_DELETING, @@ -204,6 +204,7 @@ struct nvme_ctrl { struct cdev cdev; struct work_struct reset_work; struct work_struct delete_work; + wait_queue_head_t state_wq; struct nvme_subsystem *subsys; struct list_head subsys_entry; @@ -472,6 +473,7 @@ void nvme_complete_rq(struct request *req); bool nvme_cancel_request(struct request *req, void *data, bool reserved); bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, enum nvme_ctrl_state new_state); +bool nvme_wait_reset(struct nvme_ctrl *ctrl); int nvme_disable_ctrl(struct nvme_ctrl *ctrl); int nvme_enable_ctrl(struct nvme_ctrl *ctrl); int nvme_shutdown_ctrl(struct nvme_ctrl *ctrl); @@ -522,6 +524,7 @@ int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count); void nvme_stop_keep_alive(struct nvme_ctrl *ctrl); int nvme_reset_ctrl(struct nvme_ctrl *ctrl); int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl); +int nvme_try_sched_reset(struct nvme_ctrl *ctrl); int nvme_delete_ctrl(struct nvme_ctrl *ctrl); int nvme_get_log(struct nvme_ctrl *ctrl, u32 nsid, u8 log_page, u8 lsp, diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index c40a672e5047..dcaad5831cee 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -773,7 +773,8 @@ static blk_status_t nvme_setup_prp_simple(struct nvme_dev *dev, struct bio_vec *bv) { struct nvme_iod *iod = blk_mq_rq_to_pdu(req); - unsigned int first_prp_len = dev->ctrl.page_size - bv->bv_offset; + unsigned int offset = bv->bv_offset & (dev->ctrl.page_size - 1); + unsigned int first_prp_len = dev->ctrl.page_size - offset; iod->first_dma = dma_map_bvec(dev->dev, bv, rq_dma_dir(req), 0); if (dma_mapping_error(dev->dev, iod->first_dma)) @@ -2261,10 +2262,7 @@ static bool __nvme_disable_io_queues(struct nvme_dev *dev, u8 opcode) return true; } -/* - * return error value only when tagset allocation failed - */ -static int nvme_dev_add(struct nvme_dev *dev) +static void nvme_dev_add(struct nvme_dev *dev) { int ret; @@ -2294,7 +2292,7 @@ static int nvme_dev_add(struct nvme_dev *dev) if (ret) { dev_warn(dev->ctrl.device, "IO queues tagset allocation failed %d\n", ret); - return ret; + return; } dev->ctrl.tagset = &dev->tagset; } else { @@ -2305,7 +2303,6 @@ static int nvme_dev_add(struct nvme_dev *dev) } nvme_dbbuf_set(dev); - return 0; } static int nvme_pci_enable(struct nvme_dev *dev) @@ -2465,6 +2462,14 @@ static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown) mutex_unlock(&dev->shutdown_lock); } +static int nvme_disable_prepare_reset(struct nvme_dev *dev, bool shutdown) +{ + if (!nvme_wait_reset(&dev->ctrl)) + return -EBUSY; + nvme_dev_disable(dev, shutdown); + return 0; +} + static int nvme_setup_prp_pools(struct nvme_dev *dev) { dev->prp_page_pool = dma_pool_create("prp list page", dev->dev, @@ -2488,14 +2493,20 @@ static void nvme_release_prp_pools(struct nvme_dev *dev) dma_pool_destroy(dev->prp_small_pool); } +static void nvme_free_tagset(struct nvme_dev *dev) +{ + if (dev->tagset.tags) + blk_mq_free_tag_set(&dev->tagset); + dev->ctrl.tagset = NULL; +} + static void nvme_pci_free_ctrl(struct nvme_ctrl *ctrl) { struct nvme_dev *dev = to_nvme_dev(ctrl); nvme_dbbuf_dma_free(dev); put_device(dev->dev); - if (dev->tagset.tags) - blk_mq_free_tag_set(&dev->tagset); + nvme_free_tagset(dev); if (dev->ctrl.admin_q) blk_put_queue(dev->ctrl.admin_q); kfree(dev->queues); @@ -2506,6 +2517,11 @@ static void nvme_pci_free_ctrl(struct nvme_ctrl *ctrl) static void nvme_remove_dead_ctrl(struct nvme_dev *dev) { + /* + * Set state to deleting now to avoid blocking nvme_wait_reset(), which + * may be holding this pci_dev's device lock. + */ + nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_DELETING); nvme_get_ctrl(&dev->ctrl); nvme_dev_disable(dev, false); nvme_kill_queues(&dev->ctrl); @@ -2519,7 +2535,6 @@ static void nvme_reset_work(struct work_struct *work) container_of(work, struct nvme_dev, ctrl.reset_work); bool was_suspend = !!(dev->ctrl.ctrl_config & NVME_CC_SHN_NORMAL); int result; - enum nvme_ctrl_state new_state = NVME_CTRL_LIVE; if (WARN_ON(dev->ctrl.state != NVME_CTRL_RESETTING)) { result = -ENODEV; @@ -2613,13 +2628,11 @@ static void nvme_reset_work(struct work_struct *work) dev_warn(dev->ctrl.device, "IO queues not created\n"); nvme_kill_queues(&dev->ctrl); nvme_remove_namespaces(&dev->ctrl); - new_state = NVME_CTRL_ADMIN_ONLY; + nvme_free_tagset(dev); } else { nvme_start_queues(&dev->ctrl); nvme_wait_freeze(&dev->ctrl); - /* hit this only when allocate tagset fails */ - if (nvme_dev_add(dev)) - new_state = NVME_CTRL_ADMIN_ONLY; + nvme_dev_add(dev); nvme_unfreeze(&dev->ctrl); } @@ -2627,9 +2640,9 @@ static void nvme_reset_work(struct work_struct *work) * If only admin queue live, keep it to do further investigation or * recovery. */ - if (!nvme_change_ctrl_state(&dev->ctrl, new_state)) { + if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_LIVE)) { dev_warn(dev->ctrl.device, - "failed to mark controller state %d\n", new_state); + "failed to mark controller live state\n"); result = -ENODEV; goto out; } @@ -2670,7 +2683,7 @@ static int nvme_pci_reg_write32(struct nvme_ctrl *ctrl, u32 off, u32 val) static int nvme_pci_reg_read64(struct nvme_ctrl *ctrl, u32 off, u64 *val) { - *val = readq(to_nvme_dev(ctrl)->bar + off); + *val = lo_hi_readq(to_nvme_dev(ctrl)->bar + off); return 0; } @@ -2834,19 +2847,28 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id) static void nvme_reset_prepare(struct pci_dev *pdev) { struct nvme_dev *dev = pci_get_drvdata(pdev); - nvme_dev_disable(dev, false); + + /* + * We don't need to check the return value from waiting for the reset + * state as pci_dev device lock is held, making it impossible to race + * with ->remove(). + */ + nvme_disable_prepare_reset(dev, false); + nvme_sync_queues(&dev->ctrl); } static void nvme_reset_done(struct pci_dev *pdev) { struct nvme_dev *dev = pci_get_drvdata(pdev); - nvme_reset_ctrl_sync(&dev->ctrl); + + if (!nvme_try_sched_reset(&dev->ctrl)) + flush_work(&dev->ctrl.reset_work); } static void nvme_shutdown(struct pci_dev *pdev) { struct nvme_dev *dev = pci_get_drvdata(pdev); - nvme_dev_disable(dev, true); + nvme_disable_prepare_reset(dev, true); } /* @@ -2899,7 +2921,7 @@ static int nvme_resume(struct device *dev) if (ndev->last_ps == U32_MAX || nvme_set_power_state(ctrl, ndev->last_ps) != 0) - nvme_reset_ctrl(ctrl); + return nvme_try_sched_reset(&ndev->ctrl); return 0; } @@ -2927,17 +2949,14 @@ static int nvme_suspend(struct device *dev) */ if (pm_suspend_via_firmware() || !ctrl->npss || !pcie_aspm_enabled(pdev) || - (ndev->ctrl.quirks & NVME_QUIRK_SIMPLE_SUSPEND)) { - nvme_dev_disable(ndev, true); - return 0; - } + (ndev->ctrl.quirks & NVME_QUIRK_SIMPLE_SUSPEND)) + return nvme_disable_prepare_reset(ndev, true); nvme_start_freeze(ctrl); nvme_wait_freeze(ctrl); nvme_sync_queues(ctrl); - if (ctrl->state != NVME_CTRL_LIVE && - ctrl->state != NVME_CTRL_ADMIN_ONLY) + if (ctrl->state != NVME_CTRL_LIVE) goto unfreeze; ret = nvme_get_power_state(ctrl, &ndev->last_ps); @@ -2963,9 +2982,8 @@ static int nvme_suspend(struct device *dev) * Clearing npss forces a controller reset on resume. The * correct value will be rediscovered then. */ - nvme_dev_disable(ndev, true); + ret = nvme_disable_prepare_reset(ndev, true); ctrl->npss = 0; - ret = 0; } unfreeze: nvme_unfreeze(ctrl); @@ -2975,9 +2993,7 @@ unfreeze: static int nvme_simple_suspend(struct device *dev) { struct nvme_dev *ndev = pci_get_drvdata(to_pci_dev(dev)); - - nvme_dev_disable(ndev, true); - return 0; + return nvme_disable_prepare_reset(ndev, true); } static int nvme_simple_resume(struct device *dev) @@ -2985,8 +3001,7 @@ static int nvme_simple_resume(struct device *dev) struct pci_dev *pdev = to_pci_dev(dev); struct nvme_dev *ndev = pci_get_drvdata(pdev); - nvme_reset_ctrl(&ndev->ctrl); - return 0; + return nvme_try_sched_reset(&ndev->ctrl); } static const struct dev_pm_ops nvme_dev_pm_ops = { diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 05f2dfa3d218..dce59459ed41 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -1699,6 +1699,14 @@ nvme_rdma_timeout(struct request *rq, bool reserved) dev_warn(ctrl->ctrl.device, "I/O %d QID %d timeout\n", rq->tag, nvme_rdma_queue_idx(queue)); + /* + * Restart the timer if a controller reset is already scheduled. Any + * timed out commands would be handled before entering the connecting + * state. + */ + if (ctrl->ctrl.state == NVME_CTRL_RESETTING) + return BLK_EH_RESET_TIMER; + if (ctrl->ctrl.state != NVME_CTRL_LIVE) { /* * Teardown immediately if controller times out while starting @@ -2123,8 +2131,16 @@ err_unreg_client: static void __exit nvme_rdma_cleanup_module(void) { + struct nvme_rdma_ctrl *ctrl; + nvmf_unregister_transport(&nvme_rdma_transport); ib_unregister_client(&nvme_rdma_ib_client); + + mutex_lock(&nvme_rdma_ctrl_mutex); + list_for_each_entry(ctrl, &nvme_rdma_ctrl_list, list) + nvme_delete_ctrl(&ctrl->ctrl); + mutex_unlock(&nvme_rdma_ctrl_mutex); + flush_workqueue(nvme_delete_wq); } module_init(nvme_rdma_init_module); diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 124fda67613a..6d43b23a0fc8 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -1386,7 +1386,9 @@ static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl, queue->sock->sk->sk_data_ready = nvme_tcp_data_ready; queue->sock->sk->sk_state_change = nvme_tcp_state_change; queue->sock->sk->sk_write_space = nvme_tcp_write_space; +#ifdef CONFIG_NET_RX_BUSY_POLL queue->sock->sk->sk_ll_usec = 1; +#endif write_unlock_bh(&queue->sock->sk->sk_callback_lock); return 0; @@ -2044,6 +2046,14 @@ nvme_tcp_timeout(struct request *rq, bool reserved) struct nvme_tcp_ctrl *ctrl = req->queue->ctrl; struct nvme_tcp_cmd_pdu *pdu = req->pdu; + /* + * Restart the timer if a controller reset is already scheduled. Any + * timed out commands would be handled before entering the connecting + * state. + */ + if (ctrl->ctrl.state == NVME_CTRL_RESETTING) + return BLK_EH_RESET_TIMER; + dev_warn(ctrl->ctrl.device, "queue %d: timeout request %#x type %d\n", nvme_tcp_queue_id(req->queue), rq->tag, pdu->hdr.type); @@ -2126,6 +2136,7 @@ static blk_status_t nvme_tcp_setup_cmd_pdu(struct nvme_ns *ns, ret = nvme_tcp_map_data(queue, rq); if (unlikely(ret)) { + nvme_cleanup_cmd(rq); dev_err(queue->ctrl->ctrl.device, "Failed to map data (%d)\n", ret); return ret; @@ -2208,7 +2219,7 @@ static int nvme_tcp_poll(struct blk_mq_hw_ctx *hctx) struct nvme_tcp_queue *queue = hctx->driver_data; struct sock *sk = queue->sock->sk; - if (sk_can_busy_loop(sk) && skb_queue_empty(&sk->sk_receive_queue)) + if (sk_can_busy_loop(sk) && skb_queue_empty_lockless(&sk->sk_receive_queue)) sk_busy_loop(sk, true); nvme_tcp_try_recv(queue); return queue->nr_cqe; diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c index 856eb0652f89..a758bb3d5dd4 100644 --- a/drivers/nvme/target/loop.c +++ b/drivers/nvme/target/loop.c @@ -156,8 +156,10 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx, iod->sg_table.sgl = iod->first_sgl; if (sg_alloc_table_chained(&iod->sg_table, blk_rq_nr_phys_segments(req), - iod->sg_table.sgl, SG_CHUNK_SIZE)) + iod->sg_table.sgl, SG_CHUNK_SIZE)) { + nvme_cleanup_cmd(req); return BLK_STS_RESOURCE; + } iod->req.sg = iod->sg_table.sgl; iod->req.sg_cnt = blk_rq_map_sg(req->q, req, iod->sg_table.sgl); diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c index 7989703b883c..6bd610ee2cd7 100644 --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -324,8 +324,10 @@ int of_reserved_mem_device_init_by_idx(struct device *dev, if (!target) return -ENODEV; - if (!of_device_is_available(target)) + if (!of_device_is_available(target)) { + of_node_put(target); return 0; + } rmem = __find_rmem(target); of_node_put(target); diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index 480a21e2ed39..92e895d86458 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -1207,6 +1207,7 @@ static int __init unittest_data_add(void) of_fdt_unflatten_tree(unittest_data, NULL, &unittest_data_node); if (!unittest_data_node) { pr_warn("%s: No tree to attach; not running tests\n", __func__); + kfree(unittest_data); return -ENODATA; } diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 3b7ffd0234e9..9ff0538ee83a 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -1626,12 +1626,6 @@ struct opp_table *dev_pm_opp_set_regulators(struct device *dev, goto free_regulators; } - ret = regulator_enable(reg); - if (ret < 0) { - regulator_put(reg); - goto free_regulators; - } - opp_table->regulators[i] = reg; } @@ -1645,10 +1639,8 @@ struct opp_table *dev_pm_opp_set_regulators(struct device *dev, return opp_table; free_regulators: - while (i--) { - regulator_disable(opp_table->regulators[i]); - regulator_put(opp_table->regulators[i]); - } + while (i != 0) + regulator_put(opp_table->regulators[--i]); kfree(opp_table->regulators); opp_table->regulators = NULL; @@ -1674,10 +1666,8 @@ void dev_pm_opp_put_regulators(struct opp_table *opp_table) /* Make sure there are no concurrent readers while updating opp_table */ WARN_ON(!list_empty(&opp_table->opp_list)); - for (i = opp_table->regulator_count - 1; i >= 0; i--) { - regulator_disable(opp_table->regulators[i]); + for (i = opp_table->regulator_count - 1; i >= 0; i--) regulator_put(opp_table->regulators[i]); - } _free_set_opp_data(opp_table); diff --git a/drivers/opp/of.c b/drivers/opp/of.c index 1813f5ad5fa2..1cbb58240b80 100644 --- a/drivers/opp/of.c +++ b/drivers/opp/of.c @@ -77,8 +77,6 @@ static struct dev_pm_opp *_find_opp_of_np(struct opp_table *opp_table, { struct dev_pm_opp *opp; - lockdep_assert_held(&opp_table_lock); - mutex_lock(&opp_table->lock); list_for_each_entry(opp, &opp_table->opp_list, node) { @@ -665,6 +663,13 @@ static int _of_add_opp_table_v2(struct device *dev, struct opp_table *opp_table) return 0; } + /* + * Re-initialize list_kref every time we add static OPPs to the OPP + * table as the reference count may be 0 after the last tie static OPPs + * were removed. + */ + kref_init(&opp_table->list_kref); + /* We have opp-table node now, iterate over it and add OPPs */ for_each_available_child_of_node(opp_table->np, np) { opp = _opp_add_static_v2(opp_table, dev, np); diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c index ed50502cc65a..de8e4e347249 100644 --- a/drivers/parisc/sba_iommu.c +++ b/drivers/parisc/sba_iommu.c @@ -678,14 +678,6 @@ static int sba_dma_supported( struct device *dev, u64 mask) return(0); } - /* Documentation/DMA-API-HOWTO.txt tells drivers to try 64-bit - * first, then fall back to 32-bit if that fails. - * We are just "encouraging" 32-bit DMA masks here since we can - * never allow IOMMU bypass unless we add special support for ZX1. - */ - if (mask > ~0U) - return 0; - ioc = GET_IOC(dev); if (!ioc) return 0; diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index e7982af9a5d8..a97e2571a527 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -959,19 +959,6 @@ void pci_refresh_power_state(struct pci_dev *dev) } /** - * pci_power_up - Put the given device into D0 forcibly - * @dev: PCI device to power up - */ -void pci_power_up(struct pci_dev *dev) -{ - if (platform_pci_power_manageable(dev)) - platform_pci_set_power_state(dev, PCI_D0); - - pci_raw_set_power_state(dev, PCI_D0); - pci_update_current_state(dev, PCI_D0); -} - -/** * pci_platform_power_transition - Use platform to change device power state * @dev: PCI device to handle. * @state: State to put the device into. @@ -1154,6 +1141,17 @@ int pci_set_power_state(struct pci_dev *dev, pci_power_t state) EXPORT_SYMBOL(pci_set_power_state); /** + * pci_power_up - Put the given device into D0 forcibly + * @dev: PCI device to power up + */ +void pci_power_up(struct pci_dev *dev) +{ + __pci_start_power_transition(dev, PCI_D0); + pci_raw_set_power_state(dev, PCI_D0); + pci_update_current_state(dev, PCI_D0); +} + +/** * pci_choose_state - Choose the power state of a PCI device * @dev: PCI device to be suspended * @state: target sleep state for the whole system. This is the value diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c index 648ddb7f038a..c6800d220920 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c @@ -87,7 +87,7 @@ FUNC_GROUP_DECL(MACLINK3, L23); #define K25 7 SIG_EXPR_LIST_DECL_SESG(K25, MACLINK4, MACLINK4, SIG_DESC_SET(SCU410, 7)); -SIG_EXPR_LIST_DECL_SESG(K25, SDA14, SDA14, SIG_DESC_SET(SCU4B0, 7)); +SIG_EXPR_LIST_DECL_SESG(K25, SDA14, I2C14, SIG_DESC_SET(SCU4B0, 7)); PIN_DECL_2(K25, GPIOA7, MACLINK4, SDA14); FUNC_GROUP_DECL(MACLINK4, K25); @@ -1262,13 +1262,13 @@ GROUP_DECL(SPI1, AB11, AC11, AA11); #define AD11 206 SIG_EXPR_LIST_DECL_SEMG(AD11, SPI1DQ2, QSPI1, SPI1, SIG_DESC_SET(SCU438, 14)); SIG_EXPR_LIST_DECL_SEMG(AD11, TXD13, UART13G1, UART13, - SIG_DESC_SET(SCU438, 14)); + SIG_DESC_CLEAR(SCU4B8, 2), SIG_DESC_SET(SCU4D8, 14)); PIN_DECL_2(AD11, GPIOZ6, SPI1DQ2, TXD13); #define AF10 207 SIG_EXPR_LIST_DECL_SEMG(AF10, SPI1DQ3, QSPI1, SPI1, SIG_DESC_SET(SCU438, 15)); SIG_EXPR_LIST_DECL_SEMG(AF10, RXD13, UART13G1, UART13, - SIG_DESC_SET(SCU438, 15)); + SIG_DESC_CLEAR(SCU4B8, 3), SIG_DESC_SET(SCU4D8, 15)); PIN_DECL_2(AF10, GPIOZ7, SPI1DQ3, RXD13); GROUP_DECL(QSPI1, AB11, AC11, AA11, AD11, AF10); @@ -1440,91 +1440,85 @@ FUNC_GROUP_DECL(RGMII2, D4, C2, C1, D3, E4, F5, D2, E3, D1, F4, E2, E1); FUNC_GROUP_DECL(RMII2, D4, C2, C1, D3, D2, D1, F4, E2, E1); #define AB4 232 -SIG_EXPR_LIST_DECL_SESG(AB4, SD3CLK, SD3, SIG_DESC_SET(SCU400, 24)); -PIN_DECL_1(AB4, GPIO18D0, SD3CLK); +SIG_EXPR_LIST_DECL_SEMG(AB4, EMMCCLK, EMMCG1, EMMC, SIG_DESC_SET(SCU400, 24)); +PIN_DECL_1(AB4, GPIO18D0, EMMCCLK); #define AA4 233 -SIG_EXPR_LIST_DECL_SESG(AA4, SD3CMD, SD3, SIG_DESC_SET(SCU400, 25)); -PIN_DECL_1(AA4, GPIO18D1, SD3CMD); +SIG_EXPR_LIST_DECL_SEMG(AA4, EMMCCMD, EMMCG1, EMMC, SIG_DESC_SET(SCU400, 25)); +PIN_DECL_1(AA4, GPIO18D1, EMMCCMD); #define AC4 234 -SIG_EXPR_LIST_DECL_SESG(AC4, SD3DAT0, SD3, SIG_DESC_SET(SCU400, 26)); -PIN_DECL_1(AC4, GPIO18D2, SD3DAT0); +SIG_EXPR_LIST_DECL_SEMG(AC4, EMMCDAT0, EMMCG1, EMMC, SIG_DESC_SET(SCU400, 26)); +PIN_DECL_1(AC4, GPIO18D2, EMMCDAT0); #define AA5 235 -SIG_EXPR_LIST_DECL_SESG(AA5, SD3DAT1, SD3, SIG_DESC_SET(SCU400, 27)); -PIN_DECL_1(AA5, GPIO18D3, SD3DAT1); +SIG_EXPR_LIST_DECL_SEMG(AA5, EMMCDAT1, EMMCG4, EMMC, SIG_DESC_SET(SCU400, 27)); +PIN_DECL_1(AA5, GPIO18D3, EMMCDAT1); #define Y5 236 -SIG_EXPR_LIST_DECL_SESG(Y5, SD3DAT2, SD3, SIG_DESC_SET(SCU400, 28)); -PIN_DECL_1(Y5, GPIO18D4, SD3DAT2); +SIG_EXPR_LIST_DECL_SEMG(Y5, EMMCDAT2, EMMCG4, EMMC, SIG_DESC_SET(SCU400, 28)); +PIN_DECL_1(Y5, GPIO18D4, EMMCDAT2); #define AB5 237 -SIG_EXPR_LIST_DECL_SESG(AB5, SD3DAT3, SD3, SIG_DESC_SET(SCU400, 29)); -PIN_DECL_1(AB5, GPIO18D5, SD3DAT3); +SIG_EXPR_LIST_DECL_SEMG(AB5, EMMCDAT3, EMMCG4, EMMC, SIG_DESC_SET(SCU400, 29)); +PIN_DECL_1(AB5, GPIO18D5, EMMCDAT3); #define AB6 238 -SIG_EXPR_LIST_DECL_SESG(AB6, SD3CD, SD3, SIG_DESC_SET(SCU400, 30)); -PIN_DECL_1(AB6, GPIO18D6, SD3CD); +SIG_EXPR_LIST_DECL_SEMG(AB6, EMMCCD, EMMCG1, EMMC, SIG_DESC_SET(SCU400, 30)); +PIN_DECL_1(AB6, GPIO18D6, EMMCCD); #define AC5 239 -SIG_EXPR_LIST_DECL_SESG(AC5, SD3WP, SD3, SIG_DESC_SET(SCU400, 31)); -PIN_DECL_1(AC5, GPIO18D7, SD3WP); +SIG_EXPR_LIST_DECL_SEMG(AC5, EMMCWP, EMMCG1, EMMC, SIG_DESC_SET(SCU400, 31)); +PIN_DECL_1(AC5, GPIO18D7, EMMCWP); -FUNC_GROUP_DECL(SD3, AB4, AA4, AC4, AA5, Y5, AB5, AB6, AC5); +GROUP_DECL(EMMCG1, AB4, AA4, AC4, AB6, AC5); +GROUP_DECL(EMMCG4, AB4, AA4, AC4, AA5, Y5, AB5, AB6, AC5); #define Y1 240 SIG_EXPR_LIST_DECL_SEMG(Y1, FWSPIDCS, FWSPID, FWSPID, SIG_DESC_SET(SCU500, 3)); SIG_EXPR_LIST_DECL_SESG(Y1, VBCS, VB, SIG_DESC_SET(SCU500, 5)); -SIG_EXPR_LIST_DECL_SESG(Y1, SD3DAT4, SD3DAT4, SIG_DESC_SET(SCU404, 0)); -PIN_DECL_3(Y1, GPIO18E0, FWSPIDCS, VBCS, SD3DAT4); -FUNC_GROUP_DECL(SD3DAT4, Y1); +SIG_EXPR_LIST_DECL_SEMG(Y1, EMMCDAT4, EMMCG8, EMMC, SIG_DESC_SET(SCU404, 0)); +PIN_DECL_3(Y1, GPIO18E0, FWSPIDCS, VBCS, EMMCDAT4); #define Y2 241 SIG_EXPR_LIST_DECL_SEMG(Y2, FWSPIDCK, FWSPID, FWSPID, SIG_DESC_SET(SCU500, 3)); SIG_EXPR_LIST_DECL_SESG(Y2, VBCK, VB, SIG_DESC_SET(SCU500, 5)); -SIG_EXPR_LIST_DECL_SESG(Y2, SD3DAT5, SD3DAT5, SIG_DESC_SET(SCU404, 1)); -PIN_DECL_3(Y2, GPIO18E1, FWSPIDCK, VBCK, SD3DAT5); -FUNC_GROUP_DECL(SD3DAT5, Y2); +SIG_EXPR_LIST_DECL_SEMG(Y2, EMMCDAT5, EMMCG8, EMMC, SIG_DESC_SET(SCU404, 1)); +PIN_DECL_3(Y2, GPIO18E1, FWSPIDCK, VBCK, EMMCDAT5); #define Y3 242 SIG_EXPR_LIST_DECL_SEMG(Y3, FWSPIDMOSI, FWSPID, FWSPID, SIG_DESC_SET(SCU500, 3)); SIG_EXPR_LIST_DECL_SESG(Y3, VBMOSI, VB, SIG_DESC_SET(SCU500, 5)); -SIG_EXPR_LIST_DECL_SESG(Y3, SD3DAT6, SD3DAT6, SIG_DESC_SET(SCU404, 2)); -PIN_DECL_3(Y3, GPIO18E2, FWSPIDMOSI, VBMOSI, SD3DAT6); -FUNC_GROUP_DECL(SD3DAT6, Y3); +SIG_EXPR_LIST_DECL_SEMG(Y3, EMMCDAT6, EMMCG8, EMMC, SIG_DESC_SET(SCU404, 2)); +PIN_DECL_3(Y3, GPIO18E2, FWSPIDMOSI, VBMOSI, EMMCDAT6); #define Y4 243 SIG_EXPR_LIST_DECL_SEMG(Y4, FWSPIDMISO, FWSPID, FWSPID, SIG_DESC_SET(SCU500, 3)); SIG_EXPR_LIST_DECL_SESG(Y4, VBMISO, VB, SIG_DESC_SET(SCU500, 5)); -SIG_EXPR_LIST_DECL_SESG(Y4, SD3DAT7, SD3DAT7, SIG_DESC_SET(SCU404, 3)); -PIN_DECL_3(Y4, GPIO18E3, FWSPIDMISO, VBMISO, SD3DAT7); -FUNC_GROUP_DECL(SD3DAT7, Y4); +SIG_EXPR_LIST_DECL_SEMG(Y4, EMMCDAT7, EMMCG8, EMMC, SIG_DESC_SET(SCU404, 3)); +PIN_DECL_3(Y4, GPIO18E3, FWSPIDMISO, VBMISO, EMMCDAT7); GROUP_DECL(FWSPID, Y1, Y2, Y3, Y4); GROUP_DECL(FWQSPID, Y1, Y2, Y3, Y4, AE12, AF12); +GROUP_DECL(EMMCG8, AB4, AA4, AC4, AA5, Y5, AB5, AB6, AC5, Y1, Y2, Y3, Y4); FUNC_DECL_2(FWSPID, FWSPID, FWQSPID); FUNC_GROUP_DECL(VB, Y1, Y2, Y3, Y4); - +FUNC_DECL_3(EMMC, EMMCG1, EMMCG4, EMMCG8); /* * FIXME: Confirm bits and priorities are the right way around for the * following 4 pins */ #define AF25 244 -SIG_EXPR_LIST_DECL_SEMG(AF25, I3C3SCL, I3C3, I3C3, SIG_DESC_SET(SCU438, 20), - SIG_DESC_SET(SCU4D8, 20)); -SIG_EXPR_LIST_DECL_SESG(AF25, FSI1CLK, FSI1, SIG_DESC_CLEAR(SCU438, 20), - SIG_DESC_SET(SCU4D8, 20)); +SIG_EXPR_LIST_DECL_SEMG(AF25, I3C3SCL, I3C3, I3C3, SIG_DESC_SET(SCU438, 20)); +SIG_EXPR_LIST_DECL_SESG(AF25, FSI1CLK, FSI1, SIG_DESC_SET(SCU4D8, 20)); PIN_DECL_(AF25, SIG_EXPR_LIST_PTR(AF25, I3C3SCL), SIG_EXPR_LIST_PTR(AF25, FSI1CLK)); #define AE26 245 -SIG_EXPR_LIST_DECL_SEMG(AE26, I3C3SDA, I3C3, I3C3, SIG_DESC_SET(SCU438, 21), - SIG_DESC_SET(SCU4D8, 21)); -SIG_EXPR_LIST_DECL_SESG(AE26, FSI1DATA, FSI1, SIG_DESC_CLEAR(SCU438, 21), - SIG_DESC_SET(SCU4D8, 21)); +SIG_EXPR_LIST_DECL_SEMG(AE26, I3C3SDA, I3C3, I3C3, SIG_DESC_SET(SCU438, 21)); +SIG_EXPR_LIST_DECL_SESG(AE26, FSI1DATA, FSI1, SIG_DESC_SET(SCU4D8, 21)); PIN_DECL_(AE26, SIG_EXPR_LIST_PTR(AE26, I3C3SDA), SIG_EXPR_LIST_PTR(AE26, FSI1DATA)); @@ -1533,18 +1527,14 @@ FUNC_DECL_2(I3C3, HVI3C3, I3C3); FUNC_GROUP_DECL(FSI1, AF25, AE26); #define AE25 246 -SIG_EXPR_LIST_DECL_SEMG(AE25, I3C4SCL, I3C4, I3C4, SIG_DESC_SET(SCU438, 22), - SIG_DESC_SET(SCU4D8, 22)); -SIG_EXPR_LIST_DECL_SESG(AE25, FSI2CLK, FSI2, SIG_DESC_CLEAR(SCU438, 22), - SIG_DESC_SET(SCU4D8, 22)); +SIG_EXPR_LIST_DECL_SEMG(AE25, I3C4SCL, I3C4, I3C4, SIG_DESC_SET(SCU438, 22)); +SIG_EXPR_LIST_DECL_SESG(AE25, FSI2CLK, FSI2, SIG_DESC_SET(SCU4D8, 22)); PIN_DECL_(AE25, SIG_EXPR_LIST_PTR(AE25, I3C4SCL), SIG_EXPR_LIST_PTR(AE25, FSI2CLK)); #define AF24 247 -SIG_EXPR_LIST_DECL_SEMG(AF24, I3C4SDA, I3C4, I3C4, SIG_DESC_SET(SCU438, 23), - SIG_DESC_SET(SCU4D8, 23)); -SIG_EXPR_LIST_DECL_SESG(AF24, FSI2DATA, FSI2, SIG_DESC_CLEAR(SCU438, 23), - SIG_DESC_SET(SCU4D8, 23)); +SIG_EXPR_LIST_DECL_SEMG(AF24, I3C4SDA, I3C4, I3C4, SIG_DESC_SET(SCU438, 23)); +SIG_EXPR_LIST_DECL_SESG(AF24, FSI2DATA, FSI2, SIG_DESC_SET(SCU4D8, 23)); PIN_DECL_(AF24, SIG_EXPR_LIST_PTR(AF24, I3C4SDA), SIG_EXPR_LIST_PTR(AF24, FSI2DATA)); @@ -1574,6 +1564,8 @@ static struct pinctrl_pin_desc aspeed_g6_pins[ASPEED_G6_NR_PINS] = { ASPEED_PINCTRL_PIN(A3), ASPEED_PINCTRL_PIN(AA11), ASPEED_PINCTRL_PIN(AA12), + ASPEED_PINCTRL_PIN(AA16), + ASPEED_PINCTRL_PIN(AA17), ASPEED_PINCTRL_PIN(AA23), ASPEED_PINCTRL_PIN(AA24), ASPEED_PINCTRL_PIN(AA25), @@ -1585,6 +1577,8 @@ static struct pinctrl_pin_desc aspeed_g6_pins[ASPEED_G6_NR_PINS] = { ASPEED_PINCTRL_PIN(AB11), ASPEED_PINCTRL_PIN(AB12), ASPEED_PINCTRL_PIN(AB15), + ASPEED_PINCTRL_PIN(AB16), + ASPEED_PINCTRL_PIN(AB17), ASPEED_PINCTRL_PIN(AB18), ASPEED_PINCTRL_PIN(AB19), ASPEED_PINCTRL_PIN(AB22), @@ -1602,6 +1596,7 @@ static struct pinctrl_pin_desc aspeed_g6_pins[ASPEED_G6_NR_PINS] = { ASPEED_PINCTRL_PIN(AC11), ASPEED_PINCTRL_PIN(AC12), ASPEED_PINCTRL_PIN(AC15), + ASPEED_PINCTRL_PIN(AC16), ASPEED_PINCTRL_PIN(AC17), ASPEED_PINCTRL_PIN(AC18), ASPEED_PINCTRL_PIN(AC19), @@ -1619,6 +1614,7 @@ static struct pinctrl_pin_desc aspeed_g6_pins[ASPEED_G6_NR_PINS] = { ASPEED_PINCTRL_PIN(AD12), ASPEED_PINCTRL_PIN(AD14), ASPEED_PINCTRL_PIN(AD15), + ASPEED_PINCTRL_PIN(AD16), ASPEED_PINCTRL_PIN(AD19), ASPEED_PINCTRL_PIN(AD20), ASPEED_PINCTRL_PIN(AD22), @@ -1634,8 +1630,11 @@ static struct pinctrl_pin_desc aspeed_g6_pins[ASPEED_G6_NR_PINS] = { ASPEED_PINCTRL_PIN(AE12), ASPEED_PINCTRL_PIN(AE14), ASPEED_PINCTRL_PIN(AE15), + ASPEED_PINCTRL_PIN(AE16), ASPEED_PINCTRL_PIN(AE18), ASPEED_PINCTRL_PIN(AE19), + ASPEED_PINCTRL_PIN(AE25), + ASPEED_PINCTRL_PIN(AE26), ASPEED_PINCTRL_PIN(AE7), ASPEED_PINCTRL_PIN(AE8), ASPEED_PINCTRL_PIN(AF10), @@ -1643,6 +1642,8 @@ static struct pinctrl_pin_desc aspeed_g6_pins[ASPEED_G6_NR_PINS] = { ASPEED_PINCTRL_PIN(AF12), ASPEED_PINCTRL_PIN(AF14), ASPEED_PINCTRL_PIN(AF15), + ASPEED_PINCTRL_PIN(AF24), + ASPEED_PINCTRL_PIN(AF25), ASPEED_PINCTRL_PIN(AF7), ASPEED_PINCTRL_PIN(AF8), ASPEED_PINCTRL_PIN(AF9), @@ -1792,17 +1793,6 @@ static struct pinctrl_pin_desc aspeed_g6_pins[ASPEED_G6_NR_PINS] = { ASPEED_PINCTRL_PIN(Y3), ASPEED_PINCTRL_PIN(Y4), ASPEED_PINCTRL_PIN(Y5), - ASPEED_PINCTRL_PIN(AB16), - ASPEED_PINCTRL_PIN(AA17), - ASPEED_PINCTRL_PIN(AB17), - ASPEED_PINCTRL_PIN(AE16), - ASPEED_PINCTRL_PIN(AC16), - ASPEED_PINCTRL_PIN(AA16), - ASPEED_PINCTRL_PIN(AD16), - ASPEED_PINCTRL_PIN(AF25), - ASPEED_PINCTRL_PIN(AE26), - ASPEED_PINCTRL_PIN(AE25), - ASPEED_PINCTRL_PIN(AF24), }; static const struct aspeed_pin_group aspeed_g6_groups[] = { @@ -1976,11 +1966,9 @@ static const struct aspeed_pin_group aspeed_g6_groups[] = { ASPEED_PINCTRL_GROUP(SALT9G1), ASPEED_PINCTRL_GROUP(SD1), ASPEED_PINCTRL_GROUP(SD2), - ASPEED_PINCTRL_GROUP(SD3), - ASPEED_PINCTRL_GROUP(SD3DAT4), - ASPEED_PINCTRL_GROUP(SD3DAT5), - ASPEED_PINCTRL_GROUP(SD3DAT6), - ASPEED_PINCTRL_GROUP(SD3DAT7), + ASPEED_PINCTRL_GROUP(EMMCG1), + ASPEED_PINCTRL_GROUP(EMMCG4), + ASPEED_PINCTRL_GROUP(EMMCG8), ASPEED_PINCTRL_GROUP(SGPM1), ASPEED_PINCTRL_GROUP(SGPS1), ASPEED_PINCTRL_GROUP(SIOONCTRL), @@ -2059,6 +2047,7 @@ static const struct aspeed_pin_function aspeed_g6_functions[] = { ASPEED_PINCTRL_FUNC(ADC8), ASPEED_PINCTRL_FUNC(ADC9), ASPEED_PINCTRL_FUNC(BMCINT), + ASPEED_PINCTRL_FUNC(EMMC), ASPEED_PINCTRL_FUNC(ESPI), ASPEED_PINCTRL_FUNC(ESPIALT), ASPEED_PINCTRL_FUNC(FSI1), @@ -2191,11 +2180,6 @@ static const struct aspeed_pin_function aspeed_g6_functions[] = { ASPEED_PINCTRL_FUNC(SALT9), ASPEED_PINCTRL_FUNC(SD1), ASPEED_PINCTRL_FUNC(SD2), - ASPEED_PINCTRL_FUNC(SD3), - ASPEED_PINCTRL_FUNC(SD3DAT4), - ASPEED_PINCTRL_FUNC(SD3DAT5), - ASPEED_PINCTRL_FUNC(SD3DAT6), - ASPEED_PINCTRL_FUNC(SD3DAT7), ASPEED_PINCTRL_FUNC(SGPM1), ASPEED_PINCTRL_FUNC(SGPS1), ASPEED_PINCTRL_FUNC(SIOONCTRL), diff --git a/drivers/pinctrl/aspeed/pinmux-aspeed.h b/drivers/pinctrl/aspeed/pinmux-aspeed.h index a2c0d52e4f7b..140c5ce9fbc1 100644 --- a/drivers/pinctrl/aspeed/pinmux-aspeed.h +++ b/drivers/pinctrl/aspeed/pinmux-aspeed.h @@ -508,7 +508,7 @@ struct aspeed_pin_desc { * @idx: The bit index in the register */ #define SIG_DESC_SET(reg, idx) SIG_DESC_IP_BIT(ASPEED_IP_SCU, reg, idx, 1) -#define SIG_DESC_CLEAR(reg, idx) SIG_DESC_IP_BIT(ASPEED_IP_SCU, reg, idx, 0) +#define SIG_DESC_CLEAR(reg, idx) { ASPEED_IP_SCU, reg, BIT_MASK(idx), 0, 0 } #define SIG_DESC_LIST_SYM(sig, group) sig_descs_ ## sig ## _ ## group #define SIG_DESC_LIST_DECL(sig, group, ...) \ @@ -738,6 +738,7 @@ struct aspeed_pin_desc { static const char *FUNC_SYM(func)[] = { __VA_ARGS__ } #define FUNC_DECL_2(func, one, two) FUNC_DECL_(func, #one, #two) +#define FUNC_DECL_3(func, one, two, three) FUNC_DECL_(func, #one, #two, #three) #define FUNC_GROUP_DECL(func, ...) \ GROUP_DECL(func, __VA_ARGS__); \ diff --git a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c index 6f7d3a2f2e97..42f7ab383ad9 100644 --- a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c +++ b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c @@ -1,14 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2014-2017 Broadcom - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ /* @@ -853,7 +845,7 @@ static int iproc_gpio_probe(struct platform_device *pdev) /* optional GPIO interrupt support */ irq = platform_get_irq(pdev, 0); - if (irq) { + if (irq > 0) { struct irq_chip *irqc; struct gpio_irq_chip *girq; diff --git a/drivers/pinctrl/bcm/pinctrl-ns2-mux.c b/drivers/pinctrl/bcm/pinctrl-ns2-mux.c index 2bf6af7df7d9..9fabc451550e 100644 --- a/drivers/pinctrl/bcm/pinctrl-ns2-mux.c +++ b/drivers/pinctrl/bcm/pinctrl-ns2-mux.c @@ -640,8 +640,8 @@ static int ns2_pinmux_enable(struct pinctrl_dev *pctrl_dev, const struct ns2_pin_function *func; const struct ns2_pin_group *grp; - if (grp_select > pinctrl->num_groups || - func_select > pinctrl->num_functions) + if (grp_select >= pinctrl->num_groups || + func_select >= pinctrl->num_functions) return -EINVAL; func = &pinctrl->functions[func_select]; diff --git a/drivers/pinctrl/berlin/pinctrl-as370.c b/drivers/pinctrl/berlin/pinctrl-as370.c index 44f8ccdbeeff..9dfdc275ee33 100644 --- a/drivers/pinctrl/berlin/pinctrl-as370.c +++ b/drivers/pinctrl/berlin/pinctrl-as370.c @@ -43,7 +43,7 @@ static const struct berlin_desc_group as370_soc_pinctrl_groups[] = { BERLIN_PINCTRL_FUNCTION(0x0, "gpio"), /* GPIO5 */ BERLIN_PINCTRL_FUNCTION(0x1, "i2s1"), /* DO3 */ BERLIN_PINCTRL_FUNCTION(0x2, "pwm"), /* PWM5 */ - BERLIN_PINCTRL_FUNCTION(0x3, "spififib"), /* SPDIFIB */ + BERLIN_PINCTRL_FUNCTION(0x3, "spdifib"), /* SPDIFIB */ BERLIN_PINCTRL_FUNCTION(0x4, "spdifo"), /* SPDIFO */ BERLIN_PINCTRL_FUNCTION(0x5, "phy")), /* DBG5 */ BERLIN_PINCTRL_GROUP("I2S1_MCLK", 0x0, 0x3, 0x12, diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index aae51c507f59..2c419fa5d1c1 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -147,6 +147,7 @@ struct chv_pin_context { * @pctldesc: Pin controller description * @pctldev: Pointer to the pin controller device * @chip: GPIO chip in this pin controller + * @irqchip: IRQ chip in this pin controller * @regs: MMIO registers * @intr_lines: Stores mapping between 16 HW interrupt wires and GPIO * offset (in GPIO number space) @@ -162,6 +163,7 @@ struct chv_pinctrl { struct pinctrl_desc pctldesc; struct pinctrl_dev *pctldev; struct gpio_chip chip; + struct irq_chip irqchip; void __iomem *regs; unsigned intr_lines[16]; const struct chv_community *community; @@ -1466,16 +1468,6 @@ static int chv_gpio_irq_type(struct irq_data *d, unsigned int type) return 0; } -static struct irq_chip chv_gpio_irqchip = { - .name = "chv-gpio", - .irq_startup = chv_gpio_irq_startup, - .irq_ack = chv_gpio_irq_ack, - .irq_mask = chv_gpio_irq_mask, - .irq_unmask = chv_gpio_irq_unmask, - .irq_set_type = chv_gpio_irq_type, - .flags = IRQCHIP_SKIP_SET_WAKE, -}; - static void chv_gpio_irq_handler(struct irq_desc *desc) { struct gpio_chip *gc = irq_desc_get_handler_data(desc); @@ -1513,7 +1505,6 @@ static const struct dmi_system_id chv_no_valid_mask[] = { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), DMI_MATCH(DMI_PRODUCT_FAMILY, "Intel_Strago"), - DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"), }, }, { @@ -1521,7 +1512,6 @@ static const struct dmi_system_id chv_no_valid_mask[] = { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "HP"), DMI_MATCH(DMI_PRODUCT_NAME, "Setzer"), - DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"), }, }, { @@ -1529,7 +1519,6 @@ static const struct dmi_system_id chv_no_valid_mask[] = { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), DMI_MATCH(DMI_PRODUCT_NAME, "Cyan"), - DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"), }, }, { @@ -1537,7 +1526,6 @@ static const struct dmi_system_id chv_no_valid_mask[] = { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), DMI_MATCH(DMI_PRODUCT_NAME, "Celes"), - DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"), }, }, {} @@ -1563,7 +1551,7 @@ static void chv_init_irq_valid_mask(struct gpio_chip *chip, intsel >>= CHV_PADCTRL0_INTSEL_SHIFT; if (intsel >= community->nirqs) - clear_bit(i, valid_mask); + clear_bit(desc->number, valid_mask); } } @@ -1629,7 +1617,15 @@ static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq) } } - ret = gpiochip_irqchip_add(chip, &chv_gpio_irqchip, 0, + pctrl->irqchip.name = "chv-gpio"; + pctrl->irqchip.irq_startup = chv_gpio_irq_startup; + pctrl->irqchip.irq_ack = chv_gpio_irq_ack; + pctrl->irqchip.irq_mask = chv_gpio_irq_mask; + pctrl->irqchip.irq_unmask = chv_gpio_irq_unmask; + pctrl->irqchip.irq_set_type = chv_gpio_irq_type; + pctrl->irqchip.flags = IRQCHIP_SKIP_SET_WAKE; + + ret = gpiochip_irqchip_add(chip, &pctrl->irqchip, 0, handle_bad_irq, IRQ_TYPE_NONE); if (ret) { dev_err(pctrl->dev, "failed to add IRQ chip\n"); @@ -1646,7 +1642,7 @@ static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq) } } - gpiochip_set_chained_irqchip(chip, &chv_gpio_irqchip, irq, + gpiochip_set_chained_irqchip(chip, &pctrl->irqchip, irq, chv_gpio_irq_handler); return 0; } diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c index 1f13bcd0e4e1..83981ad66a71 100644 --- a/drivers/pinctrl/intel/pinctrl-intel.c +++ b/drivers/pinctrl/intel/pinctrl-intel.c @@ -52,6 +52,7 @@ #define PADCFG0_GPIROUTNMI BIT(17) #define PADCFG0_PMODE_SHIFT 10 #define PADCFG0_PMODE_MASK GENMASK(13, 10) +#define PADCFG0_PMODE_GPIO 0 #define PADCFG0_GPIORXDIS BIT(9) #define PADCFG0_GPIOTXDIS BIT(8) #define PADCFG0_GPIORXSTATE BIT(1) @@ -96,6 +97,7 @@ struct intel_pinctrl_context { * @pctldesc: Pin controller description * @pctldev: Pointer to the pin controller device * @chip: GPIO chip in this pin controller + * @irqchip: IRQ chip in this pin controller * @soc: SoC/PCH specific pin configuration data * @communities: All communities in this pin controller * @ncommunities: Number of communities in this pin controller @@ -108,6 +110,7 @@ struct intel_pinctrl { struct pinctrl_desc pctldesc; struct pinctrl_dev *pctldev; struct gpio_chip chip; + struct irq_chip irqchip; const struct intel_pinctrl_soc_data *soc; struct intel_community *communities; size_t ncommunities; @@ -330,7 +333,7 @@ static void intel_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s, cfg1 = readl(intel_get_padcfg(pctrl, pin, PADCFG1)); mode = (cfg0 & PADCFG0_PMODE_MASK) >> PADCFG0_PMODE_SHIFT; - if (!mode) + if (mode == PADCFG0_PMODE_GPIO) seq_puts(s, "GPIO "); else seq_printf(s, "mode %d ", mode); @@ -456,6 +459,11 @@ static void __intel_gpio_set_direction(void __iomem *padcfg0, bool input) writel(value, padcfg0); } +static int intel_gpio_get_gpio_mode(void __iomem *padcfg0) +{ + return (readl(padcfg0) & PADCFG0_PMODE_MASK) >> PADCFG0_PMODE_SHIFT; +} + static void intel_gpio_set_gpio_mode(void __iomem *padcfg0) { u32 value; @@ -489,7 +497,20 @@ static int intel_gpio_request_enable(struct pinctrl_dev *pctldev, } padcfg0 = intel_get_padcfg(pctrl, pin, PADCFG0); + + /* + * If pin is already configured in GPIO mode, we assume that + * firmware provides correct settings. In such case we avoid + * potential glitches on the pin. Otherwise, for the pin in + * alternative mode, consumer has to supply respective flags. + */ + if (intel_gpio_get_gpio_mode(padcfg0) == PADCFG0_PMODE_GPIO) { + raw_spin_unlock_irqrestore(&pctrl->lock, flags); + return 0; + } + intel_gpio_set_gpio_mode(padcfg0); + /* Disable TX buffer and enable RX (this will be input) */ __intel_gpio_set_direction(padcfg0, true); @@ -1139,16 +1160,6 @@ static irqreturn_t intel_gpio_irq(int irq, void *data) return ret; } -static struct irq_chip intel_gpio_irqchip = { - .name = "intel-gpio", - .irq_ack = intel_gpio_irq_ack, - .irq_mask = intel_gpio_irq_mask, - .irq_unmask = intel_gpio_irq_unmask, - .irq_set_type = intel_gpio_irq_type, - .irq_set_wake = intel_gpio_irq_wake, - .flags = IRQCHIP_MASK_ON_SUSPEND, -}; - static int intel_gpio_add_pin_ranges(struct intel_pinctrl *pctrl, const struct intel_community *community) { @@ -1198,12 +1209,22 @@ static int intel_gpio_probe(struct intel_pinctrl *pctrl, int irq) pctrl->chip = intel_gpio_chip; + /* Setup GPIO chip */ pctrl->chip.ngpio = intel_gpio_ngpio(pctrl); pctrl->chip.label = dev_name(pctrl->dev); pctrl->chip.parent = pctrl->dev; pctrl->chip.base = -1; pctrl->irq = irq; + /* Setup IRQ chip */ + pctrl->irqchip.name = dev_name(pctrl->dev); + pctrl->irqchip.irq_ack = intel_gpio_irq_ack; + pctrl->irqchip.irq_mask = intel_gpio_irq_mask; + pctrl->irqchip.irq_unmask = intel_gpio_irq_unmask; + pctrl->irqchip.irq_set_type = intel_gpio_irq_type; + pctrl->irqchip.irq_set_wake = intel_gpio_irq_wake; + pctrl->irqchip.flags = IRQCHIP_MASK_ON_SUSPEND; + ret = devm_gpiochip_add_data(pctrl->dev, &pctrl->chip, pctrl); if (ret) { dev_err(pctrl->dev, "failed to register gpiochip\n"); @@ -1233,15 +1254,14 @@ static int intel_gpio_probe(struct intel_pinctrl *pctrl, int irq) return ret; } - ret = gpiochip_irqchip_add(&pctrl->chip, &intel_gpio_irqchip, 0, + ret = gpiochip_irqchip_add(&pctrl->chip, &pctrl->irqchip, 0, handle_bad_irq, IRQ_TYPE_NONE); if (ret) { dev_err(pctrl->dev, "failed to add irqchip\n"); return ret; } - gpiochip_set_chained_irqchip(&pctrl->chip, &intel_gpio_irqchip, irq, - NULL); + gpiochip_set_chained_irqchip(&pctrl->chip, &pctrl->irqchip, irq, NULL); return 0; } diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c index 6462d3ca7ceb..f2f5fcd9a237 100644 --- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c +++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c @@ -183,10 +183,10 @@ static struct armada_37xx_pin_group armada_37xx_nb_groups[] = { PIN_GRP_EXTRA("uart2", 9, 2, BIT(1) | BIT(13) | BIT(14) | BIT(19), BIT(1) | BIT(13) | BIT(14), BIT(1) | BIT(19), 18, 2, "gpio", "uart"), - PIN_GRP_GPIO("led0_od", 11, 1, BIT(20), "led"), - PIN_GRP_GPIO("led1_od", 12, 1, BIT(21), "led"), - PIN_GRP_GPIO("led2_od", 13, 1, BIT(22), "led"), - PIN_GRP_GPIO("led3_od", 14, 1, BIT(23), "led"), + PIN_GRP_GPIO_2("led0_od", 11, 1, BIT(20), BIT(20), 0, "led"), + PIN_GRP_GPIO_2("led1_od", 12, 1, BIT(21), BIT(21), 0, "led"), + PIN_GRP_GPIO_2("led2_od", 13, 1, BIT(22), BIT(22), 0, "led"), + PIN_GRP_GPIO_2("led3_od", 14, 1, BIT(23), BIT(23), 0, "led"), }; @@ -221,11 +221,11 @@ static const struct armada_37xx_pin_data armada_37xx_pin_sb = { }; static inline void armada_37xx_update_reg(unsigned int *reg, - unsigned int offset) + unsigned int *offset) { /* We never have more than 2 registers */ - if (offset >= GPIO_PER_REG) { - offset -= GPIO_PER_REG; + if (*offset >= GPIO_PER_REG) { + *offset -= GPIO_PER_REG; *reg += sizeof(u32); } } @@ -376,7 +376,7 @@ static inline void armada_37xx_irq_update_reg(unsigned int *reg, { int offset = irqd_to_hwirq(d); - armada_37xx_update_reg(reg, offset); + armada_37xx_update_reg(reg, &offset); } static int armada_37xx_gpio_direction_input(struct gpio_chip *chip, @@ -386,7 +386,7 @@ static int armada_37xx_gpio_direction_input(struct gpio_chip *chip, unsigned int reg = OUTPUT_EN; unsigned int mask; - armada_37xx_update_reg(®, offset); + armada_37xx_update_reg(®, &offset); mask = BIT(offset); return regmap_update_bits(info->regmap, reg, mask, 0); @@ -399,7 +399,7 @@ static int armada_37xx_gpio_get_direction(struct gpio_chip *chip, unsigned int reg = OUTPUT_EN; unsigned int val, mask; - armada_37xx_update_reg(®, offset); + armada_37xx_update_reg(®, &offset); mask = BIT(offset); regmap_read(info->regmap, reg, &val); @@ -413,7 +413,7 @@ static int armada_37xx_gpio_direction_output(struct gpio_chip *chip, unsigned int reg = OUTPUT_EN; unsigned int mask, val, ret; - armada_37xx_update_reg(®, offset); + armada_37xx_update_reg(®, &offset); mask = BIT(offset); ret = regmap_update_bits(info->regmap, reg, mask, mask); @@ -434,7 +434,7 @@ static int armada_37xx_gpio_get(struct gpio_chip *chip, unsigned int offset) unsigned int reg = INPUT_VAL; unsigned int val, mask; - armada_37xx_update_reg(®, offset); + armada_37xx_update_reg(®, &offset); mask = BIT(offset); regmap_read(info->regmap, reg, &val); @@ -449,7 +449,7 @@ static void armada_37xx_gpio_set(struct gpio_chip *chip, unsigned int offset, unsigned int reg = OUTPUT_VAL; unsigned int mask, val; - armada_37xx_update_reg(®, offset); + armada_37xx_update_reg(®, &offset); mask = BIT(offset); val = value ? mask : 0; diff --git a/drivers/pinctrl/pinctrl-stmfx.c b/drivers/pinctrl/pinctrl-stmfx.c index 974973777395..ccdf0bb21414 100644 --- a/drivers/pinctrl/pinctrl-stmfx.c +++ b/drivers/pinctrl/pinctrl-stmfx.c @@ -585,19 +585,6 @@ static int stmfx_pinctrl_gpio_function_enable(struct stmfx_pinctrl *pctl) return stmfx_function_enable(pctl->stmfx, func); } -static int stmfx_pinctrl_gpio_init_valid_mask(struct gpio_chip *gc, - unsigned long *valid_mask, - unsigned int ngpios) -{ - struct stmfx_pinctrl *pctl = gpiochip_get_data(gc); - u32 n; - - for_each_clear_bit(n, &pctl->gpio_valid_mask, ngpios) - clear_bit(n, valid_mask); - - return 0; -} - static int stmfx_pinctrl_probe(struct platform_device *pdev) { struct stmfx *stmfx = dev_get_drvdata(pdev->dev.parent); @@ -660,7 +647,6 @@ static int stmfx_pinctrl_probe(struct platform_device *pdev) pctl->gpio_chip.ngpio = pctl->pctl_desc.npins; pctl->gpio_chip.can_sleep = true; pctl->gpio_chip.of_node = np; - pctl->gpio_chip.init_valid_mask = stmfx_pinctrl_gpio_init_valid_mask; ret = devm_gpiochip_add_data(pctl->dev, &pctl->gpio_chip, pctl); if (ret) { @@ -705,7 +691,7 @@ static int stmfx_pinctrl_probe(struct platform_device *pdev) static int stmfx_pinctrl_remove(struct platform_device *pdev) { - struct stmfx *stmfx = dev_get_platdata(&pdev->dev); + struct stmfx *stmfx = dev_get_drvdata(pdev->dev.parent); return stmfx_function_disable(stmfx, STMFX_FUNC_GPIO | diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c index 86cc2cc68fb5..af063f690846 100644 --- a/drivers/platform/x86/classmate-laptop.c +++ b/drivers/platform/x86/classmate-laptop.c @@ -420,12 +420,6 @@ failed_sensitivity: static int cmpc_accel_remove_v4(struct acpi_device *acpi) { - struct input_dev *inputdev; - struct cmpc_accel *accel; - - inputdev = dev_get_drvdata(&acpi->dev); - accel = dev_get_drvdata(&inputdev->dev); - device_remove_file(&acpi->dev, &cmpc_accel_sensitivity_attr_v4); device_remove_file(&acpi->dev, &cmpc_accel_g_select_attr_v4); return cmpc_remove_acpi_notify_device(acpi); @@ -656,12 +650,6 @@ failed_file: static int cmpc_accel_remove(struct acpi_device *acpi) { - struct input_dev *inputdev; - struct cmpc_accel *accel; - - inputdev = dev_get_drvdata(&acpi->dev); - accel = dev_get_drvdata(&inputdev->dev); - device_remove_file(&acpi->dev, &cmpc_accel_sensitivity_attr); return cmpc_remove_acpi_notify_device(acpi); } diff --git a/drivers/platform/x86/i2c-multi-instantiate.c b/drivers/platform/x86/i2c-multi-instantiate.c index ea68f6ed66ae..ffb8d5d1eb5f 100644 --- a/drivers/platform/x86/i2c-multi-instantiate.c +++ b/drivers/platform/x86/i2c-multi-instantiate.c @@ -108,6 +108,7 @@ static int i2c_multi_inst_probe(struct platform_device *pdev) if (ret < 0) { dev_dbg(dev, "Error requesting irq at index %d: %d\n", inst_data[i].irq_idx, ret); + goto error; } board_info.irq = ret; break; diff --git a/drivers/platform/x86/intel_punit_ipc.c b/drivers/platform/x86/intel_punit_ipc.c index ab7ae1950867..fa97834fdb78 100644 --- a/drivers/platform/x86/intel_punit_ipc.c +++ b/drivers/platform/x86/intel_punit_ipc.c @@ -293,9 +293,8 @@ static int intel_punit_ipc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, punit_ipcdev); - irq = platform_get_irq(pdev, 0); + irq = platform_get_irq_optional(pdev, 0); if (irq < 0) { - punit_ipcdev->irq = 0; dev_warn(&pdev->dev, "Invalid IRQ, using polling mode\n"); } else { ret = devm_request_irq(&pdev->dev, irq, intel_punit_ioc, diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig index 960961fb0d7c..0517272a268e 100644 --- a/drivers/ptp/Kconfig +++ b/drivers/ptp/Kconfig @@ -97,8 +97,8 @@ config PTP_1588_CLOCK_PCH help This driver adds support for using the PCH EG20T as a PTP clock. The hardware supports time stamping of PTP packets - when using the end-to-end delay (E2E) mechansim. The peer - delay mechansim (P2P) is not supported. + when using the end-to-end delay (E2E) mechanism. The peer + delay mechanism (P2P) is not supported. This clock is only useful if your PTP programs are getting hardware time stamps on the PTP Ethernet packets using the diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c index 67d0199840fd..9d72ab593f13 100644 --- a/drivers/ptp/ptp_chardev.c +++ b/drivers/ptp/ptp_chardev.c @@ -149,11 +149,21 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg) err = -EFAULT; break; } - if (((req.extts.flags & ~PTP_EXTTS_VALID_FLAGS) || - req.extts.rsv[0] || req.extts.rsv[1]) && - cmd == PTP_EXTTS_REQUEST2) { - err = -EINVAL; - break; + if (cmd == PTP_EXTTS_REQUEST2) { + /* Tell the drivers to check the flags carefully. */ + req.extts.flags |= PTP_STRICT_FLAGS; + /* Make sure no reserved bit is set. */ + if ((req.extts.flags & ~PTP_EXTTS_VALID_FLAGS) || + req.extts.rsv[0] || req.extts.rsv[1]) { + err = -EINVAL; + break; + } + /* Ensure one of the rising/falling edge bits is set. */ + if ((req.extts.flags & PTP_ENABLE_FEATURE) && + (req.extts.flags & PTP_EXTTS_EDGES) == 0) { + err = -EINVAL; + break; + } } else if (cmd == PTP_EXTTS_REQUEST) { req.extts.flags &= PTP_EXTTS_V1_VALID_FLAGS; req.extts.rsv[0] = 0; diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index 6ad51aa60c03..f877e77d9184 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -472,14 +472,7 @@ int pwm_apply_state(struct pwm_device *pwm, const struct pwm_state *state) if (err) return err; - /* - * .apply might have to round some values in *state, if possible - * read the actually implemented value back. - */ - if (chip->ops->get_state) - chip->ops->get_state(chip, pwm, &pwm->state); - else - pwm->state = *state; + pwm->state = *state; } else { /* * FIXME: restore the initial state in case of error. diff --git a/drivers/pwm/pwm-bcm-iproc.c b/drivers/pwm/pwm-bcm-iproc.c index 56c38cfae92c..1f829edd8ee7 100644 --- a/drivers/pwm/pwm-bcm-iproc.c +++ b/drivers/pwm/pwm-bcm-iproc.c @@ -187,6 +187,7 @@ static int iproc_pwmc_apply(struct pwm_chip *chip, struct pwm_device *pwm, static const struct pwm_ops iproc_pwm_ops = { .apply = iproc_pwmc_apply, .get_state = iproc_pwmc_get_state, + .owner = THIS_MODULE, }; static int iproc_pwmc_probe(struct platform_device *pdev) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index afe94470b67f..a46be221dbdc 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -5053,6 +5053,19 @@ regulator_register(const struct regulator_desc *regulator_desc, init_data = regulator_of_get_init_data(dev, regulator_desc, config, &rdev->dev.of_node); + + /* + * Sometimes not all resources are probed already so we need to take + * that into account. This happens most the time if the ena_gpiod comes + * from a gpio extender or something else. + */ + if (PTR_ERR(init_data) == -EPROBE_DEFER) { + kfree(config); + kfree(rdev); + ret = -EPROBE_DEFER; + goto rinse; + } + /* * We need to keep track of any GPIO descriptor coming from the * device tree until we have handled it over to the core. If the diff --git a/drivers/regulator/da9062-regulator.c b/drivers/regulator/da9062-regulator.c index 56f3f72d7707..710e67081d53 100644 --- a/drivers/regulator/da9062-regulator.c +++ b/drivers/regulator/da9062-regulator.c @@ -136,7 +136,6 @@ static int da9062_buck_set_mode(struct regulator_dev *rdev, unsigned mode) static unsigned da9062_buck_get_mode(struct regulator_dev *rdev) { struct da9062_regulator *regl = rdev_get_drvdata(rdev); - struct regmap_field *field; unsigned int val, mode = 0; int ret; @@ -158,18 +157,7 @@ static unsigned da9062_buck_get_mode(struct regulator_dev *rdev) return REGULATOR_MODE_NORMAL; } - /* Detect current regulator state */ - ret = regmap_field_read(regl->suspend, &val); - if (ret < 0) - return 0; - - /* Read regulator mode from proper register, depending on state */ - if (val) - field = regl->suspend_sleep; - else - field = regl->sleep; - - ret = regmap_field_read(field, &val); + ret = regmap_field_read(regl->sleep, &val); if (ret < 0) return 0; @@ -208,21 +196,9 @@ static int da9062_ldo_set_mode(struct regulator_dev *rdev, unsigned mode) static unsigned da9062_ldo_get_mode(struct regulator_dev *rdev) { struct da9062_regulator *regl = rdev_get_drvdata(rdev); - struct regmap_field *field; int ret, val; - /* Detect current regulator state */ - ret = regmap_field_read(regl->suspend, &val); - if (ret < 0) - return 0; - - /* Read regulator mode from proper register, depending on state */ - if (val) - field = regl->suspend_sleep; - else - field = regl->sleep; - - ret = regmap_field_read(field, &val); + ret = regmap_field_read(regl->sleep, &val); if (ret < 0) return 0; @@ -408,10 +384,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { __builtin_ffs((int)DA9062AA_BUCK1_MODE_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_BUCK1_MODE_MASK)) - 1), - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VBUCK1_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_BUCK1_CONT, + __builtin_ffs((int)DA9062AA_BUCK1_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VBUCK1_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_BUCK1_CONF_MASK) - 1), }, { .desc.id = DA9061_ID_BUCK2, @@ -444,10 +420,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { __builtin_ffs((int)DA9062AA_BUCK3_MODE_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_BUCK3_MODE_MASK)) - 1), - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VBUCK3_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_BUCK3_CONT, + __builtin_ffs((int)DA9062AA_BUCK3_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VBUCK3_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_BUCK3_CONF_MASK) - 1), }, { .desc.id = DA9061_ID_BUCK3, @@ -480,10 +456,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { __builtin_ffs((int)DA9062AA_BUCK4_MODE_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_BUCK4_MODE_MASK)) - 1), - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VBUCK4_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_BUCK4_CONT, + __builtin_ffs((int)DA9062AA_BUCK4_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VBUCK4_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_BUCK4_CONF_MASK) - 1), }, { .desc.id = DA9061_ID_LDO1, @@ -509,10 +485,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_LDO1_SL_B_MASK)) - 1), .suspend_vsel_reg = DA9062AA_VLDO1_B, - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VLDO1_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_LDO1_CONT, + __builtin_ffs((int)DA9062AA_LDO1_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VLDO1_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_LDO1_CONF_MASK) - 1), .oc_event = REG_FIELD(DA9062AA_STATUS_D, __builtin_ffs((int)DA9062AA_LDO1_ILIM_MASK) - 1, sizeof(unsigned int) * 8 - @@ -542,10 +518,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_LDO2_SL_B_MASK)) - 1), .suspend_vsel_reg = DA9062AA_VLDO2_B, - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VLDO2_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_LDO2_CONT, + __builtin_ffs((int)DA9062AA_LDO2_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VLDO2_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_LDO2_CONF_MASK) - 1), .oc_event = REG_FIELD(DA9062AA_STATUS_D, __builtin_ffs((int)DA9062AA_LDO2_ILIM_MASK) - 1, sizeof(unsigned int) * 8 - @@ -575,10 +551,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_LDO3_SL_B_MASK)) - 1), .suspend_vsel_reg = DA9062AA_VLDO3_B, - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VLDO3_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_LDO3_CONT, + __builtin_ffs((int)DA9062AA_LDO3_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VLDO3_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_LDO3_CONF_MASK) - 1), .oc_event = REG_FIELD(DA9062AA_STATUS_D, __builtin_ffs((int)DA9062AA_LDO3_ILIM_MASK) - 1, sizeof(unsigned int) * 8 - @@ -608,10 +584,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_LDO4_SL_B_MASK)) - 1), .suspend_vsel_reg = DA9062AA_VLDO4_B, - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VLDO4_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_LDO4_CONT, + __builtin_ffs((int)DA9062AA_LDO4_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VLDO4_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_LDO4_CONF_MASK) - 1), .oc_event = REG_FIELD(DA9062AA_STATUS_D, __builtin_ffs((int)DA9062AA_LDO4_ILIM_MASK) - 1, sizeof(unsigned int) * 8 - @@ -652,10 +628,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { __builtin_ffs((int)DA9062AA_BUCK1_MODE_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_BUCK1_MODE_MASK)) - 1), - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VBUCK1_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_BUCK1_CONT, + __builtin_ffs((int)DA9062AA_BUCK1_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VBUCK1_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_BUCK1_CONF_MASK) - 1), }, { .desc.id = DA9062_ID_BUCK2, @@ -688,10 +664,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { __builtin_ffs((int)DA9062AA_BUCK2_MODE_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_BUCK2_MODE_MASK)) - 1), - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VBUCK2_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_BUCK2_CONT, + __builtin_ffs((int)DA9062AA_BUCK2_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VBUCK2_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_BUCK2_CONF_MASK) - 1), }, { .desc.id = DA9062_ID_BUCK3, @@ -724,10 +700,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { __builtin_ffs((int)DA9062AA_BUCK3_MODE_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_BUCK3_MODE_MASK)) - 1), - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VBUCK3_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_BUCK3_CONT, + __builtin_ffs((int)DA9062AA_BUCK3_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VBUCK3_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_BUCK3_CONF_MASK) - 1), }, { .desc.id = DA9062_ID_BUCK4, @@ -760,10 +736,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { __builtin_ffs((int)DA9062AA_BUCK4_MODE_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_BUCK4_MODE_MASK)) - 1), - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VBUCK4_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_BUCK4_CONT, + __builtin_ffs((int)DA9062AA_BUCK4_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VBUCK4_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_BUCK4_CONF_MASK) - 1), }, { .desc.id = DA9062_ID_LDO1, @@ -789,10 +765,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_LDO1_SL_B_MASK)) - 1), .suspend_vsel_reg = DA9062AA_VLDO1_B, - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VLDO1_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_LDO1_CONT, + __builtin_ffs((int)DA9062AA_LDO1_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VLDO1_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_LDO1_CONF_MASK) - 1), .oc_event = REG_FIELD(DA9062AA_STATUS_D, __builtin_ffs((int)DA9062AA_LDO1_ILIM_MASK) - 1, sizeof(unsigned int) * 8 - @@ -822,10 +798,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_LDO2_SL_B_MASK)) - 1), .suspend_vsel_reg = DA9062AA_VLDO2_B, - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VLDO2_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_LDO2_CONT, + __builtin_ffs((int)DA9062AA_LDO2_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VLDO2_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_LDO2_CONF_MASK) - 1), .oc_event = REG_FIELD(DA9062AA_STATUS_D, __builtin_ffs((int)DA9062AA_LDO2_ILIM_MASK) - 1, sizeof(unsigned int) * 8 - @@ -855,10 +831,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_LDO3_SL_B_MASK)) - 1), .suspend_vsel_reg = DA9062AA_VLDO3_B, - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VLDO3_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_LDO3_CONT, + __builtin_ffs((int)DA9062AA_LDO3_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VLDO3_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_LDO3_CONF_MASK) - 1), .oc_event = REG_FIELD(DA9062AA_STATUS_D, __builtin_ffs((int)DA9062AA_LDO3_ILIM_MASK) - 1, sizeof(unsigned int) * 8 - @@ -888,10 +864,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_LDO4_SL_B_MASK)) - 1), .suspend_vsel_reg = DA9062AA_VLDO4_B, - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VLDO4_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_LDO4_CONT, + __builtin_ffs((int)DA9062AA_LDO4_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VLDO4_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_LDO4_CONF_MASK) - 1), .oc_event = REG_FIELD(DA9062AA_STATUS_D, __builtin_ffs((int)DA9062AA_LDO4_ILIM_MASK) - 1, sizeof(unsigned int) * 8 - diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c index d90a6fd8cbc7..f81533070058 100644 --- a/drivers/regulator/fixed.c +++ b/drivers/regulator/fixed.c @@ -144,8 +144,7 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct fixed_voltage_config *config; struct fixed_voltage_data *drvdata; - const struct fixed_dev_type *drvtype = - of_match_device(dev->driver->of_match_table, dev)->data; + const struct fixed_dev_type *drvtype = of_device_get_match_data(dev); struct regulator_config cfg = { }; enum gpiod_flags gflags; int ret; @@ -177,7 +176,7 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev) drvdata->desc.type = REGULATOR_VOLTAGE; drvdata->desc.owner = THIS_MODULE; - if (drvtype->has_enable_clock) { + if (drvtype && drvtype->has_enable_clock) { drvdata->desc.ops = &fixed_voltage_clkenabled_ops; drvdata->enable_clock = devm_clk_get(dev, NULL); diff --git a/drivers/regulator/lochnagar-regulator.c b/drivers/regulator/lochnagar-regulator.c index ff97cc50f2eb..9b05e03ba830 100644 --- a/drivers/regulator/lochnagar-regulator.c +++ b/drivers/regulator/lochnagar-regulator.c @@ -210,6 +210,7 @@ static const struct regulator_desc lochnagar_regulators[] = { .enable_time = 3000, .ramp_delay = 1000, + .off_on_delay = 15000, .owner = THIS_MODULE, }, diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index afefb29ce1b0..87637eb6bcbc 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c @@ -231,12 +231,12 @@ static int of_get_regulation_constraints(struct device *dev, "regulator-off-in-suspend")) suspend_state->enabled = DISABLE_IN_SUSPEND; - if (!of_property_read_u32(np, "regulator-suspend-min-microvolt", - &pval)) + if (!of_property_read_u32(suspend_np, + "regulator-suspend-min-microvolt", &pval)) suspend_state->min_uV = pval; - if (!of_property_read_u32(np, "regulator-suspend-max-microvolt", - &pval)) + if (!of_property_read_u32(suspend_np, + "regulator-suspend-max-microvolt", &pval)) suspend_state->max_uV = pval; if (!of_property_read_u32(suspend_np, @@ -445,11 +445,20 @@ struct regulator_init_data *regulator_of_get_init_data(struct device *dev, goto error; } - if (desc->of_parse_cb && desc->of_parse_cb(child, desc, config)) { - dev_err(dev, - "driver callback failed to parse DT for regulator %pOFn\n", - child); - goto error; + if (desc->of_parse_cb) { + int ret; + + ret = desc->of_parse_cb(child, desc, config); + if (ret) { + if (ret == -EPROBE_DEFER) { + of_node_put(child); + return ERR_PTR(-EPROBE_DEFER); + } + dev_err(dev, + "driver callback failed to parse DT for regulator %pOFn\n", + child); + goto error; + } } *node = child; diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c index df5df1c495ad..689537927f6f 100644 --- a/drivers/regulator/pfuze100-regulator.c +++ b/drivers/regulator/pfuze100-regulator.c @@ -788,7 +788,13 @@ static int pfuze100_regulator_probe(struct i2c_client *client, /* SW2~SW4 high bit check and modify the voltage value table */ if (i >= sw_check_start && i <= sw_check_end) { - regmap_read(pfuze_chip->regmap, desc->vsel_reg, &val); + ret = regmap_read(pfuze_chip->regmap, + desc->vsel_reg, &val); + if (ret) { + dev_err(&client->dev, "Fails to read from the register.\n"); + return ret; + } + if (val & sw_hi) { if (pfuze_chip->chip_id == PFUZE3000 || pfuze_chip->chip_id == PFUZE3001) { diff --git a/drivers/regulator/qcom-rpmh-regulator.c b/drivers/regulator/qcom-rpmh-regulator.c index db6c085da65e..0246b6f99fb5 100644 --- a/drivers/regulator/qcom-rpmh-regulator.c +++ b/drivers/regulator/qcom-rpmh-regulator.c @@ -735,8 +735,8 @@ static const struct rpmh_vreg_hw_data pmic5_hfsmps515 = { static const struct rpmh_vreg_hw_data pmic5_bob = { .regulator_type = VRM, .ops = &rpmh_regulator_vrm_bypass_ops, - .voltage_range = REGULATOR_LINEAR_RANGE(300000, 0, 135, 32000), - .n_voltages = 136, + .voltage_range = REGULATOR_LINEAR_RANGE(3000000, 0, 31, 32000), + .n_voltages = 32, .pmic_mode_map = pmic_mode_map_pmic5_bob, .of_map_mode = rpmh_regulator_pmic4_bob_of_map_mode, }; diff --git a/drivers/regulator/ti-abb-regulator.c b/drivers/regulator/ti-abb-regulator.c index cced1ffb896c..89b9314d64c9 100644 --- a/drivers/regulator/ti-abb-regulator.c +++ b/drivers/regulator/ti-abb-regulator.c @@ -173,19 +173,14 @@ static int ti_abb_wait_txdone(struct device *dev, struct ti_abb *abb) while (timeout++ <= abb->settling_time) { status = ti_abb_check_txdone(abb); if (status) - break; + return 0; udelay(1); } - if (timeout > abb->settling_time) { - dev_warn_ratelimited(dev, - "%s:TRANXDONE timeout(%duS) int=0x%08x\n", - __func__, timeout, readl(abb->int_base)); - return -ETIMEDOUT; - } - - return 0; + dev_warn_ratelimited(dev, "%s:TRANXDONE timeout(%duS) int=0x%08x\n", + __func__, timeout, readl(abb->int_base)); + return -ETIMEDOUT; } /** @@ -205,19 +200,14 @@ static int ti_abb_clear_all_txdone(struct device *dev, const struct ti_abb *abb) status = ti_abb_check_txdone(abb); if (!status) - break; + return 0; udelay(1); } - if (timeout > abb->settling_time) { - dev_warn_ratelimited(dev, - "%s:TRANXDONE timeout(%duS) int=0x%08x\n", - __func__, timeout, readl(abb->int_base)); - return -ETIMEDOUT; - } - - return 0; + dev_warn_ratelimited(dev, "%s:TRANXDONE timeout(%duS) int=0x%08x\n", + __func__, timeout, readl(abb->int_base)); + return -ETIMEDOUT; } /** diff --git a/drivers/reset/core.c b/drivers/reset/core.c index 213ff40dda11..3c9a64c1b7a8 100644 --- a/drivers/reset/core.c +++ b/drivers/reset/core.c @@ -76,7 +76,6 @@ static const char *rcdev_name(struct reset_controller_dev *rcdev) * of_reset_simple_xlate - translate reset_spec to the reset line number * @rcdev: a pointer to the reset controller device * @reset_spec: reset line specifier as found in the device tree - * @flags: a flags pointer to fill in (optional) * * This simple translation function should be used for reset controllers * with 1:1 mapping, where reset lines can be indexed by number without gaps. @@ -748,6 +747,7 @@ static void reset_control_array_put(struct reset_control_array *resets) for (i = 0; i < resets->num_rstcs; i++) __reset_control_put_internal(resets->rstc[i]); mutex_unlock(&reset_list_mutex); + kfree(resets); } /** @@ -825,9 +825,10 @@ int __device_reset(struct device *dev, bool optional) } EXPORT_SYMBOL_GPL(__device_reset); -/** +/* * APIs to manage an array of reset controls. */ + /** * of_reset_control_get_count - Count number of resets available with a device * diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h index ba7d2480613b..dcdaba689b20 100644 --- a/drivers/s390/cio/cio.h +++ b/drivers/s390/cio/cio.h @@ -113,6 +113,7 @@ struct subchannel { enum sch_todo todo; struct work_struct todo_work; struct schib_config config; + u64 dma_mask; char *driver_override; /* Driver name to force a match */ } __attribute__ ((aligned(8))); diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 1fbfb0a93f5f..831850435c23 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -232,7 +232,12 @@ struct subchannel *css_alloc_subchannel(struct subchannel_id schid, * belong to a subchannel need to fit 31 bit width (e.g. ccw). */ sch->dev.coherent_dma_mask = DMA_BIT_MASK(31); - sch->dev.dma_mask = &sch->dev.coherent_dma_mask; + /* + * But we don't have such restrictions imposed on the stuff that + * is handled by the streaming API. + */ + sch->dma_mask = DMA_BIT_MASK(64); + sch->dev.dma_mask = &sch->dma_mask; return sch; err: diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 131430bd48d9..0c6245fc7706 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -710,7 +710,7 @@ static struct ccw_device * io_subchannel_allocate_dev(struct subchannel *sch) if (!cdev->private) goto err_priv; cdev->dev.coherent_dma_mask = sch->dev.coherent_dma_mask; - cdev->dev.dma_mask = &cdev->dev.coherent_dma_mask; + cdev->dev.dma_mask = sch->dev.dma_mask; dma_pool = cio_gp_dma_create(&cdev->dev, 1); if (!dma_pool) goto err_dma_pool; diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index 45bdb47f84c1..9157e728a362 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -522,8 +522,7 @@ static int zcrypt_release(struct inode *inode, struct file *filp) if (filp->f_inode->i_cdev == &zcrypt_cdev) { struct zcdn_device *zcdndev; - if (mutex_lock_interruptible(&ap_perms_mutex)) - return -ERESTARTSYS; + mutex_lock(&ap_perms_mutex); zcdndev = find_zcdndev_by_devt(filp->f_inode->i_rdev); mutex_unlock(&ap_perms_mutex); if (zcdndev) { diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index e4b55f9aa062..65e31df37b1f 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -839,6 +839,7 @@ struct qeth_card { struct service_level qeth_service_level; struct qdio_ssqd_desc ssqd; debug_info_t *debug; + struct mutex sbp_lock; struct mutex conf_mutex; struct mutex discipline_mutex; struct napi_struct napi; diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index dda274351c21..83794d7494d4 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -901,30 +901,30 @@ static int qeth_get_problem(struct qeth_card *card, struct ccw_device *cdev, CCW_DEVID(cdev), dstat, cstat); print_hex_dump(KERN_WARNING, "qeth: irb ", DUMP_PREFIX_OFFSET, 16, 1, irb, 64, 1); - return 1; + return -EIO; } if (dstat & DEV_STAT_UNIT_CHECK) { if (sense[SENSE_RESETTING_EVENT_BYTE] & SENSE_RESETTING_EVENT_FLAG) { QETH_CARD_TEXT(card, 2, "REVIND"); - return 1; + return -EIO; } if (sense[SENSE_COMMAND_REJECT_BYTE] & SENSE_COMMAND_REJECT_FLAG) { QETH_CARD_TEXT(card, 2, "CMDREJi"); - return 1; + return -EIO; } if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) { QETH_CARD_TEXT(card, 2, "AFFE"); - return 1; + return -EIO; } if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) { QETH_CARD_TEXT(card, 2, "ZEROSEN"); return 0; } QETH_CARD_TEXT(card, 2, "DGENCHK"); - return 1; + return -EIO; } return 0; } diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index b8799cd3e7aa..4bccdce19b5a 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -467,10 +467,14 @@ static void qeth_l2_set_promisc_mode(struct qeth_card *card) if (card->info.promisc_mode == enable) return; - if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) + if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) { qeth_setadp_promisc_mode(card, enable); - else if (card->options.sbp.reflect_promisc) - qeth_l2_promisc_to_bridge(card, enable); + } else { + mutex_lock(&card->sbp_lock); + if (card->options.sbp.reflect_promisc) + qeth_l2_promisc_to_bridge(card, enable); + mutex_unlock(&card->sbp_lock); + } } /* New MAC address is added to the hash table and marked to be written on card @@ -631,6 +635,7 @@ static int qeth_l2_probe_device(struct ccwgroup_device *gdev) int rc; qeth_l2_vnicc_set_defaults(card); + mutex_init(&card->sbp_lock); if (gdev->dev.type == &qeth_generic_devtype) { rc = qeth_l2_create_device_attributes(&gdev->dev); @@ -804,10 +809,12 @@ static int qeth_l2_set_online(struct ccwgroup_device *gdev) } else card->info.hwtrap = 0; + mutex_lock(&card->sbp_lock); qeth_bridgeport_query_support(card); if (card->options.sbp.supported_funcs) dev_info(&card->gdev->dev, "The device represents a Bridge Capable Port\n"); + mutex_unlock(&card->sbp_lock); qeth_l2_register_dev_addr(card); @@ -1162,9 +1169,9 @@ static void qeth_bridge_state_change_worker(struct work_struct *work) /* Role should not change by itself, but if it did, */ /* information from the hardware is authoritative. */ - mutex_lock(&data->card->conf_mutex); + mutex_lock(&data->card->sbp_lock); data->card->options.sbp.role = entry->role; - mutex_unlock(&data->card->conf_mutex); + mutex_unlock(&data->card->sbp_lock); snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange"); snprintf(env_role, sizeof(env_role), "ROLE=%s", @@ -1230,9 +1237,9 @@ static void qeth_bridge_host_event_worker(struct work_struct *work) : (data->hostevs.lost_event_mask == 0x02) ? "Bridge port state change" : "Unknown reason"); - mutex_lock(&data->card->conf_mutex); + mutex_lock(&data->card->sbp_lock); data->card->options.sbp.hostnotification = 0; - mutex_unlock(&data->card->conf_mutex); + mutex_unlock(&data->card->sbp_lock); qeth_bridge_emit_host_event(data->card, anev_abort, 0, NULL, NULL); } else @@ -2021,10 +2028,10 @@ static bool qeth_l2_vnicc_recover_char(struct qeth_card *card, u32 vnicc, static void qeth_l2_vnicc_init(struct qeth_card *card) { u32 *timeout = &card->options.vnicc.learning_timeout; + bool enable, error = false; unsigned int chars_len, i; unsigned long chars_tmp; u32 sup_cmds, vnicc; - bool enable, error; QETH_CARD_TEXT(card, 2, "vniccini"); /* reset rx_bcast */ @@ -2045,17 +2052,24 @@ static void qeth_l2_vnicc_init(struct qeth_card *card) chars_len = sizeof(card->options.vnicc.sup_chars) * BITS_PER_BYTE; for_each_set_bit(i, &chars_tmp, chars_len) { vnicc = BIT(i); - qeth_l2_vnicc_query_cmds(card, vnicc, &sup_cmds); - if (!(sup_cmds & IPA_VNICC_SET_TIMEOUT) || - !(sup_cmds & IPA_VNICC_GET_TIMEOUT)) + if (qeth_l2_vnicc_query_cmds(card, vnicc, &sup_cmds)) { + sup_cmds = 0; + error = true; + } + if ((sup_cmds & IPA_VNICC_SET_TIMEOUT) && + (sup_cmds & IPA_VNICC_GET_TIMEOUT)) + card->options.vnicc.getset_timeout_sup |= vnicc; + else card->options.vnicc.getset_timeout_sup &= ~vnicc; - if (!(sup_cmds & IPA_VNICC_ENABLE) || - !(sup_cmds & IPA_VNICC_DISABLE)) + if ((sup_cmds & IPA_VNICC_ENABLE) && + (sup_cmds & IPA_VNICC_DISABLE)) + card->options.vnicc.set_char_sup |= vnicc; + else card->options.vnicc.set_char_sup &= ~vnicc; } /* enforce assumed default values and recover settings, if changed */ - error = qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING, - timeout); + error |= qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING, + timeout); chars_tmp = card->options.vnicc.wanted_chars ^ QETH_VNICC_DEFAULT; chars_tmp |= QETH_VNICC_BRIDGE_INVISIBLE; chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE; diff --git a/drivers/s390/net/qeth_l2_sys.c b/drivers/s390/net/qeth_l2_sys.c index f2c3b127b1e4..e2bcb26105a3 100644 --- a/drivers/s390/net/qeth_l2_sys.c +++ b/drivers/s390/net/qeth_l2_sys.c @@ -24,6 +24,7 @@ static ssize_t qeth_bridge_port_role_state_show(struct device *dev, if (qeth_l2_vnicc_is_in_use(card)) return sprintf(buf, "n/a (VNIC characteristics)\n"); + mutex_lock(&card->sbp_lock); if (qeth_card_hw_is_reachable(card) && card->options.sbp.supported_funcs) rc = qeth_bridgeport_query_ports(card, @@ -57,6 +58,7 @@ static ssize_t qeth_bridge_port_role_state_show(struct device *dev, else rc = sprintf(buf, "%s\n", word); } + mutex_unlock(&card->sbp_lock); return rc; } @@ -91,6 +93,7 @@ static ssize_t qeth_bridge_port_role_store(struct device *dev, return -EINVAL; mutex_lock(&card->conf_mutex); + mutex_lock(&card->sbp_lock); if (qeth_l2_vnicc_is_in_use(card)) rc = -EBUSY; @@ -104,6 +107,7 @@ static ssize_t qeth_bridge_port_role_store(struct device *dev, } else card->options.sbp.role = role; + mutex_unlock(&card->sbp_lock); mutex_unlock(&card->conf_mutex); return rc ? rc : count; @@ -158,6 +162,7 @@ static ssize_t qeth_bridgeport_hostnotification_store(struct device *dev, return rc; mutex_lock(&card->conf_mutex); + mutex_lock(&card->sbp_lock); if (qeth_l2_vnicc_is_in_use(card)) rc = -EBUSY; @@ -168,6 +173,7 @@ static ssize_t qeth_bridgeport_hostnotification_store(struct device *dev, } else card->options.sbp.hostnotification = enable; + mutex_unlock(&card->sbp_lock); mutex_unlock(&card->conf_mutex); return rc ? rc : count; @@ -223,6 +229,7 @@ static ssize_t qeth_bridgeport_reflect_store(struct device *dev, return -EINVAL; mutex_lock(&card->conf_mutex); + mutex_lock(&card->sbp_lock); if (qeth_l2_vnicc_is_in_use(card)) rc = -EBUSY; @@ -234,6 +241,7 @@ static ssize_t qeth_bridgeport_reflect_store(struct device *dev, rc = 0; } + mutex_unlock(&card->sbp_lock); mutex_unlock(&card->conf_mutex); return rc ? rc : count; @@ -269,6 +277,8 @@ void qeth_l2_setup_bridgeport_attrs(struct qeth_card *card) return; if (!card->options.sbp.supported_funcs) return; + + mutex_lock(&card->sbp_lock); if (card->options.sbp.role != QETH_SBP_ROLE_NONE) { /* Conditional to avoid spurious error messages */ qeth_bridgeport_setrole(card, card->options.sbp.role); @@ -280,8 +290,10 @@ void qeth_l2_setup_bridgeport_attrs(struct qeth_card *card) rc = qeth_bridgeport_an_set(card, 1); if (rc) card->options.sbp.hostnotification = 0; - } else + } else { qeth_bridgeport_an_set(card, 0); + } + mutex_unlock(&card->sbp_lock); } /* VNIC CHARS support */ diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 3a352a4601b1..91c007d26c1e 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1834,6 +1834,7 @@ static const struct blk_mq_ops scsi_mq_ops_no_commit = { .init_request = scsi_mq_init_request, .exit_request = scsi_mq_exit_request, .initialize_rq_fn = scsi_initialize_rq, + .cleanup_rq = scsi_cleanup_rq, .busy = scsi_mq_lld_busy, .map_queues = scsi_map_queues, }; @@ -1922,7 +1923,8 @@ struct scsi_device *scsi_device_from_queue(struct request_queue *q) { struct scsi_device *sdev = NULL; - if (q->mq_ops == &scsi_mq_ops) + if (q->mq_ops == &scsi_mq_ops_no_commit || + q->mq_ops == &scsi_mq_ops) sdev = q->queuedata; if (!sdev || !get_device(&sdev->sdev_gendev)) sdev = NULL; diff --git a/drivers/soc/imx/gpc.c b/drivers/soc/imx/gpc.c index d9231bd3c691..98b9d9a902ae 100644 --- a/drivers/soc/imx/gpc.c +++ b/drivers/soc/imx/gpc.c @@ -249,13 +249,13 @@ static struct genpd_power_state imx6_pm_domain_pu_state = { }; static struct imx_pm_domain imx_gpc_domains[] = { - [GPC_PGC_DOMAIN_ARM] { + [GPC_PGC_DOMAIN_ARM] = { .base = { .name = "ARM", .flags = GENPD_FLAG_ALWAYS_ON, }, }, - [GPC_PGC_DOMAIN_PU] { + [GPC_PGC_DOMAIN_PU] = { .base = { .name = "PU", .power_off = imx6_pm_domain_power_off, @@ -266,7 +266,7 @@ static struct imx_pm_domain imx_gpc_domains[] = { .reg_offs = 0x260, .cntr_pdn_bit = 0, }, - [GPC_PGC_DOMAIN_DISPLAY] { + [GPC_PGC_DOMAIN_DISPLAY] = { .base = { .name = "DISPLAY", .power_off = imx6_pm_domain_power_off, @@ -275,7 +275,7 @@ static struct imx_pm_domain imx_gpc_domains[] = { .reg_offs = 0x240, .cntr_pdn_bit = 4, }, - [GPC_PGC_DOMAIN_PCI] { + [GPC_PGC_DOMAIN_PCI] = { .base = { .name = "PCI", .power_off = imx6_pm_domain_power_off, diff --git a/drivers/soc/imx/soc-imx-scu.c b/drivers/soc/imx/soc-imx-scu.c index 50831ebf126a..c68882eb80f7 100644 --- a/drivers/soc/imx/soc-imx-scu.c +++ b/drivers/soc/imx/soc-imx-scu.c @@ -46,7 +46,7 @@ static ssize_t soc_uid_show(struct device *dev, hdr->func = IMX_SC_MISC_FUNC_UNIQUE_ID; hdr->size = 1; - ret = imx_scu_call_rpc(soc_ipc_handle, &msg, false); + ret = imx_scu_call_rpc(soc_ipc_handle, &msg, true); if (ret) { pr_err("%s: get soc uid failed, ret %d\n", __func__, ret); return ret; diff --git a/drivers/soundwire/Kconfig b/drivers/soundwire/Kconfig index f518273cfbe3..c8c80df090d1 100644 --- a/drivers/soundwire/Kconfig +++ b/drivers/soundwire/Kconfig @@ -5,6 +5,7 @@ menuconfig SOUNDWIRE tristate "SoundWire support" + depends on ACPI || OF help SoundWire is a 2-Pin interface with data and clock line ratified by the MIPI Alliance. SoundWire is used for transporting data diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index f1e38a293967..13c54eac0cc3 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -900,7 +900,7 @@ static int intel_register_dai(struct sdw_intel *sdw) /* Create PCM DAIs */ stream = &cdns->pcm; - ret = intel_create_dai(cdns, dais, INTEL_PDI_IN, stream->num_in, + ret = intel_create_dai(cdns, dais, INTEL_PDI_IN, cdns->pcm.num_in, off, stream->num_ch_in, true); if (ret) return ret; @@ -931,7 +931,7 @@ static int intel_register_dai(struct sdw_intel *sdw) if (ret) return ret; - off += cdns->pdm.num_bd; + off += cdns->pdm.num_out; ret = intel_create_dai(cdns, dais, INTEL_PDI_BD, cdns->pdm.num_bd, off, stream->num_ch_bd, false); if (ret) diff --git a/drivers/soundwire/slave.c b/drivers/soundwire/slave.c index 48a63ca130d2..6473fa602f82 100644 --- a/drivers/soundwire/slave.c +++ b/drivers/soundwire/slave.c @@ -128,7 +128,8 @@ int sdw_of_find_slaves(struct sdw_bus *bus) struct device_node *node; for_each_child_of_node(bus->dev->of_node, node) { - int link_id, sdw_version, ret, len; + int link_id, ret, len; + unsigned int sdw_version; const char *compat = NULL; struct sdw_slave_id id; const __be32 *addr; diff --git a/drivers/staging/exfat/Kconfig b/drivers/staging/exfat/Kconfig index 290dbfc7ace1..ce32dfe33bec 100644 --- a/drivers/staging/exfat/Kconfig +++ b/drivers/staging/exfat/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 config EXFAT_FS tristate "exFAT fs support" depends on BLOCK @@ -6,7 +7,7 @@ config EXFAT_FS This adds support for the exFAT file system. config EXFAT_DONT_MOUNT_VFAT - bool "Prohibit mounting of fat/vfat filesysems by exFAT" + bool "Prohibit mounting of fat/vfat filesystems by exFAT" depends on EXFAT_FS default y help diff --git a/drivers/staging/exfat/Makefile b/drivers/staging/exfat/Makefile index 84944dfbae28..6c90aec83feb 100644 --- a/drivers/staging/exfat/Makefile +++ b/drivers/staging/exfat/Makefile @@ -1,4 +1,4 @@ -# SPDX-License-Identifier: GPL-2.0 +# SPDX-License-Identifier: GPL-2.0-or-later obj-$(CONFIG_EXFAT_FS) += exfat.o diff --git a/drivers/staging/exfat/exfat.h b/drivers/staging/exfat/exfat.h index 6c12f2d79f4d..3abab33e932c 100644 --- a/drivers/staging/exfat/exfat.h +++ b/drivers/staging/exfat/exfat.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2012-2013 Samsung Electronics Co., Ltd. */ diff --git a/drivers/staging/exfat/exfat_blkdev.c b/drivers/staging/exfat/exfat_blkdev.c index f086c75e7076..81d20e6241c6 100644 --- a/drivers/staging/exfat/exfat_blkdev.c +++ b/drivers/staging/exfat/exfat_blkdev.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2012-2013 Samsung Electronics Co., Ltd. */ diff --git a/drivers/staging/exfat/exfat_cache.c b/drivers/staging/exfat/exfat_cache.c index 1565ce65d39f..e1b001718709 100644 --- a/drivers/staging/exfat/exfat_cache.c +++ b/drivers/staging/exfat/exfat_cache.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2012-2013 Samsung Electronics Co., Ltd. */ diff --git a/drivers/staging/exfat/exfat_core.c b/drivers/staging/exfat/exfat_core.c index b3e9cf725cf5..79174e5c4145 100644 --- a/drivers/staging/exfat/exfat_core.c +++ b/drivers/staging/exfat/exfat_core.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2012-2013 Samsung Electronics Co., Ltd. */ diff --git a/drivers/staging/exfat/exfat_nls.c b/drivers/staging/exfat/exfat_nls.c index 03cb8290b5d2..a5c4b68925fb 100644 --- a/drivers/staging/exfat/exfat_nls.c +++ b/drivers/staging/exfat/exfat_nls.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2012-2013 Samsung Electronics Co., Ltd. */ diff --git a/drivers/staging/exfat/exfat_super.c b/drivers/staging/exfat/exfat_super.c index 5f6caee819a6..3b2b0ceb7297 100644 --- a/drivers/staging/exfat/exfat_super.c +++ b/drivers/staging/exfat/exfat_super.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2012-2013 Samsung Electronics Co., Ltd. */ @@ -7,6 +7,7 @@ #include <linux/init.h> #include <linux/time.h> #include <linux/slab.h> +#include <linux/mm.h> #include <linux/seq_file.h> #include <linux/pagemap.h> #include <linux/mpage.h> @@ -3450,7 +3451,7 @@ static void exfat_free_super(struct exfat_sb_info *sbi) kfree(sbi->options.iocharset); /* mutex_init is in exfat_fill_super function. only for 3.7+ */ mutex_destroy(&sbi->s_lock); - kfree(sbi); + kvfree(sbi); } static void exfat_put_super(struct super_block *sb) @@ -3845,7 +3846,7 @@ static int exfat_fill_super(struct super_block *sb, void *data, int silent) * the filesystem, since we're only just about to mount * it and have no inodes etc active! */ - sbi = kzalloc(sizeof(struct exfat_sb_info), GFP_KERNEL); + sbi = kvzalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) return -ENOMEM; mutex_init(&sbi->s_lock); diff --git a/drivers/staging/exfat/exfat_upcase.c b/drivers/staging/exfat/exfat_upcase.c index 366082fb3dab..b91a1faa0e50 100644 --- a/drivers/staging/exfat/exfat_upcase.c +++ b/drivers/staging/exfat/exfat_upcase.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2012-2013 Samsung Electronics Co., Ltd. */ diff --git a/drivers/staging/fbtft/Kconfig b/drivers/staging/fbtft/Kconfig index 8ec524a95ec8..cb61c2a772bd 100644 --- a/drivers/staging/fbtft/Kconfig +++ b/drivers/staging/fbtft/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 menuconfig FB_TFT tristate "Support for small TFT LCD display modules" - depends on FB && SPI + depends on FB && SPI && OF depends on GPIOLIB || COMPILE_TEST select FB_SYS_FILLRECT select FB_SYS_COPYAREA @@ -199,13 +199,3 @@ config FB_TFT_WATTEROTT depends on FB_TFT help Generic Framebuffer support for WATTEROTT - -config FB_FLEX - tristate "Generic FB driver for TFT LCD displays" - depends on FB_TFT - help - Generic Framebuffer support for TFT LCD displays. - -config FB_TFT_FBTFT_DEVICE - tristate "Module to for adding FBTFT devices" - depends on FB_TFT diff --git a/drivers/staging/fbtft/Makefile b/drivers/staging/fbtft/Makefile index 6bc03311c9c7..27af43f32f81 100644 --- a/drivers/staging/fbtft/Makefile +++ b/drivers/staging/fbtft/Makefile @@ -36,7 +36,3 @@ obj-$(CONFIG_FB_TFT_UC1611) += fb_uc1611.o obj-$(CONFIG_FB_TFT_UC1701) += fb_uc1701.o obj-$(CONFIG_FB_TFT_UPD161704) += fb_upd161704.o obj-$(CONFIG_FB_TFT_WATTEROTT) += fb_watterott.o -obj-$(CONFIG_FB_FLEX) += flexfb.o - -# Device modules -obj-$(CONFIG_FB_TFT_FBTFT_DEVICE) += fbtft_device.o diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c index cf5700a2ea66..a0a67aa517f0 100644 --- a/drivers/staging/fbtft/fbtft-core.c +++ b/drivers/staging/fbtft/fbtft-core.c @@ -714,7 +714,7 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display, if (par->gamma.curves && gamma) { if (fbtft_gamma_parse_str(par, par->gamma.curves, gamma, strlen(gamma))) - goto alloc_fail; + goto release_framebuf; } /* Transmit buffer */ @@ -731,7 +731,7 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display, if (txbuflen > 0) { txbuf = devm_kzalloc(par->info->device, txbuflen, GFP_KERNEL); if (!txbuf) - goto alloc_fail; + goto release_framebuf; par->txbuf.buf = txbuf; par->txbuf.len = txbuflen; } @@ -753,6 +753,9 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display, return info; +release_framebuf: + framebuffer_release(info); + alloc_fail: vfree(vmem); diff --git a/drivers/staging/fbtft/fbtft_device.c b/drivers/staging/fbtft/fbtft_device.c deleted file mode 100644 index 44e1410eb3fe..000000000000 --- a/drivers/staging/fbtft/fbtft_device.c +++ /dev/null @@ -1,1261 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * - * Copyright (C) 2013, Noralf Tronnes - */ - -#define pr_fmt(fmt) "fbtft_device: " fmt -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/gpio/consumer.h> -#include <linux/spi/spi.h> -#include <video/mipi_display.h> - -#include "fbtft.h" - -#define MAX_GPIOS 32 - -static struct spi_device *spi_device; -static struct platform_device *p_device; - -static char *name; -module_param(name, charp, 0000); -MODULE_PARM_DESC(name, - "Devicename (required). name=list => list all supported devices."); - -static unsigned int rotate; -module_param(rotate, uint, 0000); -MODULE_PARM_DESC(rotate, - "Angle to rotate display counter clockwise: 0, 90, 180, 270"); - -static unsigned int busnum; -module_param(busnum, uint, 0000); -MODULE_PARM_DESC(busnum, "SPI bus number (default=0)"); - -static unsigned int cs; -module_param(cs, uint, 0000); -MODULE_PARM_DESC(cs, "SPI chip select (default=0)"); - -static unsigned int speed; -module_param(speed, uint, 0000); -MODULE_PARM_DESC(speed, "SPI speed (override device default)"); - -static int mode = -1; -module_param(mode, int, 0000); -MODULE_PARM_DESC(mode, "SPI mode (override device default)"); - -static unsigned int fps; -module_param(fps, uint, 0000); -MODULE_PARM_DESC(fps, "Frames per second (override driver default)"); - -static char *gamma; -module_param(gamma, charp, 0000); -MODULE_PARM_DESC(gamma, - "String representation of Gamma Curve(s). Driver specific."); - -static int txbuflen; -module_param(txbuflen, int, 0000); -MODULE_PARM_DESC(txbuflen, "txbuflen (override driver default)"); - -static int bgr = -1; -module_param(bgr, int, 0000); -MODULE_PARM_DESC(bgr, - "BGR bit (supported by some drivers)."); - -static unsigned int startbyte; -module_param(startbyte, uint, 0000); -MODULE_PARM_DESC(startbyte, "Sets the Start byte used by some SPI displays."); - -static bool custom; -module_param(custom, bool, 0000); -MODULE_PARM_DESC(custom, "Add a custom display device. Use speed= argument to make it a SPI device, else platform_device"); - -static unsigned int width; -module_param(width, uint, 0000); -MODULE_PARM_DESC(width, "Display width, used with the custom argument"); - -static unsigned int height; -module_param(height, uint, 0000); -MODULE_PARM_DESC(height, "Display height, used with the custom argument"); - -static unsigned int buswidth = 8; -module_param(buswidth, uint, 0000); -MODULE_PARM_DESC(buswidth, "Display bus width, used with the custom argument"); - -static s16 init[FBTFT_MAX_INIT_SEQUENCE]; -static int init_num; -module_param_array(init, short, &init_num, 0000); -MODULE_PARM_DESC(init, "Init sequence, used with the custom argument"); - -static unsigned long debug; -module_param(debug, ulong, 0000); -MODULE_PARM_DESC(debug, - "level: 0-7 (the remaining 29 bits is for advanced usage)"); - -static unsigned int verbose = 3; -module_param(verbose, uint, 0000); -MODULE_PARM_DESC(verbose, - "0 silent, >1 show devices, >2 show devices before (default=3)"); - -struct fbtft_device_display { - char *name; - struct spi_board_info *spi; - struct platform_device *pdev; -}; - -static void fbtft_device_pdev_release(struct device *dev); - -static int write_gpio16_wr_slow(struct fbtft_par *par, void *buf, size_t len); -static void adafruit18_green_tab_set_addr_win(struct fbtft_par *par, - int xs, int ys, int xe, int ye); - -#define ADAFRUIT18_GAMMA \ - "02 1c 07 12 37 32 29 2d 29 25 2B 39 00 01 03 10\n" \ - "03 1d 07 06 2E 2C 29 2D 2E 2E 37 3F 00 00 02 10" - -#define CBERRY28_GAMMA \ - "D0 00 14 15 13 2C 42 43 4E 09 16 14 18 21\n" \ - "D0 00 14 15 13 0B 43 55 53 0C 17 14 23 20" - -static const s16 cberry28_init_sequence[] = { - /* turn off sleep mode */ - -1, MIPI_DCS_EXIT_SLEEP_MODE, - -2, 120, - - /* set pixel format to RGB-565 */ - -1, MIPI_DCS_SET_PIXEL_FORMAT, MIPI_DCS_PIXEL_FMT_16BIT, - - -1, 0xB2, 0x0C, 0x0C, 0x00, 0x33, 0x33, - - /* - * VGH = 13.26V - * VGL = -10.43V - */ - -1, 0xB7, 0x35, - - /* - * VDV and VRH register values come from command write - * (instead of NVM) - */ - -1, 0xC2, 0x01, 0xFF, - - /* - * VAP = 4.7V + (VCOM + VCOM offset + 0.5 * VDV) - * VAN = -4.7V + (VCOM + VCOM offset + 0.5 * VDV) - */ - -1, 0xC3, 0x17, - - /* VDV = 0V */ - -1, 0xC4, 0x20, - - /* VCOM = 0.675V */ - -1, 0xBB, 0x17, - - /* VCOM offset = 0V */ - -1, 0xC5, 0x20, - - /* - * AVDD = 6.8V - * AVCL = -4.8V - * VDS = 2.3V - */ - -1, 0xD0, 0xA4, 0xA1, - - -1, MIPI_DCS_SET_DISPLAY_ON, - - -3, -}; - -static const s16 hy28b_init_sequence[] = { - -1, 0x00e7, 0x0010, -1, 0x0000, 0x0001, - -1, 0x0001, 0x0100, -1, 0x0002, 0x0700, - -1, 0x0003, 0x1030, -1, 0x0004, 0x0000, - -1, 0x0008, 0x0207, -1, 0x0009, 0x0000, - -1, 0x000a, 0x0000, -1, 0x000c, 0x0001, - -1, 0x000d, 0x0000, -1, 0x000f, 0x0000, - -1, 0x0010, 0x0000, -1, 0x0011, 0x0007, - -1, 0x0012, 0x0000, -1, 0x0013, 0x0000, - -2, 50, -1, 0x0010, 0x1590, -1, 0x0011, - 0x0227, -2, 50, -1, 0x0012, 0x009c, -2, 50, - -1, 0x0013, 0x1900, -1, 0x0029, 0x0023, - -1, 0x002b, 0x000e, -2, 50, - -1, 0x0020, 0x0000, -1, 0x0021, 0x0000, - -2, 50, -1, 0x0050, 0x0000, - -1, 0x0051, 0x00ef, -1, 0x0052, 0x0000, - -1, 0x0053, 0x013f, -1, 0x0060, 0xa700, - -1, 0x0061, 0x0001, -1, 0x006a, 0x0000, - -1, 0x0080, 0x0000, -1, 0x0081, 0x0000, - -1, 0x0082, 0x0000, -1, 0x0083, 0x0000, - -1, 0x0084, 0x0000, -1, 0x0085, 0x0000, - -1, 0x0090, 0x0010, -1, 0x0092, 0x0000, - -1, 0x0093, 0x0003, -1, 0x0095, 0x0110, - -1, 0x0097, 0x0000, -1, 0x0098, 0x0000, - -1, 0x0007, 0x0133, -1, 0x0020, 0x0000, - -1, 0x0021, 0x0000, -2, 100, -3 }; - -#define HY28B_GAMMA \ - "04 1F 4 7 7 0 7 7 6 0\n" \ - "0F 00 1 7 4 0 0 0 6 7" - -static const s16 pitft_init_sequence[] = { - -1, MIPI_DCS_SOFT_RESET, - -2, 5, - -1, MIPI_DCS_SET_DISPLAY_OFF, - -1, 0xEF, 0x03, 0x80, 0x02, - -1, 0xCF, 0x00, 0xC1, 0x30, - -1, 0xED, 0x64, 0x03, 0x12, 0x81, - -1, 0xE8, 0x85, 0x00, 0x78, - -1, 0xCB, 0x39, 0x2C, 0x00, 0x34, 0x02, - -1, 0xF7, 0x20, - -1, 0xEA, 0x00, 0x00, - -1, 0xC0, 0x23, - -1, 0xC1, 0x10, - -1, 0xC5, 0x3E, 0x28, - -1, 0xC7, 0x86, - -1, MIPI_DCS_SET_PIXEL_FORMAT, 0x55, - -1, 0xB1, 0x00, 0x18, - -1, 0xB6, 0x08, 0x82, 0x27, - -1, 0xF2, 0x00, - -1, MIPI_DCS_SET_GAMMA_CURVE, 0x01, - -1, 0xE0, 0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08, 0x4E, - 0xF1, 0x37, 0x07, 0x10, 0x03, 0x0E, 0x09, 0x00, - -1, 0xE1, 0x00, 0x0E, 0x14, 0x03, 0x11, 0x07, 0x31, - 0xC1, 0x48, 0x08, 0x0F, 0x0C, 0x31, 0x36, 0x0F, - -1, MIPI_DCS_EXIT_SLEEP_MODE, - -2, 100, - -1, MIPI_DCS_SET_DISPLAY_ON, - -2, 20, - -3 -}; - -static const s16 waveshare32b_init_sequence[] = { - -1, 0xCB, 0x39, 0x2C, 0x00, 0x34, 0x02, - -1, 0xCF, 0x00, 0xC1, 0x30, - -1, 0xE8, 0x85, 0x00, 0x78, - -1, 0xEA, 0x00, 0x00, - -1, 0xED, 0x64, 0x03, 0x12, 0x81, - -1, 0xF7, 0x20, - -1, 0xC0, 0x23, - -1, 0xC1, 0x10, - -1, 0xC5, 0x3E, 0x28, - -1, 0xC7, 0x86, - -1, MIPI_DCS_SET_ADDRESS_MODE, 0x28, - -1, MIPI_DCS_SET_PIXEL_FORMAT, 0x55, - -1, 0xB1, 0x00, 0x18, - -1, 0xB6, 0x08, 0x82, 0x27, - -1, 0xF2, 0x00, - -1, MIPI_DCS_SET_GAMMA_CURVE, 0x01, - -1, 0xE0, 0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08, 0x4E, - 0xF1, 0x37, 0x07, 0x10, 0x03, 0x0E, 0x09, 0x00, - -1, 0xE1, 0x00, 0x0E, 0x14, 0x03, 0x11, 0x07, 0x31, - 0xC1, 0x48, 0x08, 0x0F, 0x0C, 0x31, 0x36, 0x0F, - -1, MIPI_DCS_EXIT_SLEEP_MODE, - -2, 120, - -1, MIPI_DCS_SET_DISPLAY_ON, - -1, MIPI_DCS_WRITE_MEMORY_START, - -3 -}; - -#define PIOLED_GAMMA "0 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 " \ - "2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 " \ - "3 3 3 4 4 4 4 4 4 4 4 4 4 4 4" - -/* Supported displays in alphabetical order */ -static struct fbtft_device_display displays[] = { - { - .name = "adafruit18", - .spi = &(struct spi_board_info) { - .modalias = "fb_st7735r", - .max_speed_hz = 32000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - }, - .gamma = ADAFRUIT18_GAMMA, - } - } - }, { - .name = "adafruit18_green", - .spi = &(struct spi_board_info) { - .modalias = "fb_st7735r", - .max_speed_hz = 4000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - .fbtftops.set_addr_win = - adafruit18_green_tab_set_addr_win, - }, - .bgr = true, - .gamma = ADAFRUIT18_GAMMA, - } - } - }, { - .name = "adafruit22", - .spi = &(struct spi_board_info) { - .modalias = "fb_hx8340bn", - .max_speed_hz = 32000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 9, - .backlight = 1, - }, - .bgr = true, - } - } - }, { - .name = "adafruit22a", - .spi = &(struct spi_board_info) { - .modalias = "fb_ili9340", - .max_speed_hz = 32000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - }, - .bgr = true, - } - } - }, { - .name = "adafruit28", - .spi = &(struct spi_board_info) { - .modalias = "fb_ili9341", - .max_speed_hz = 32000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - }, - .bgr = true, - } - } - }, { - .name = "adafruit13m", - .spi = &(struct spi_board_info) { - .modalias = "fb_ssd1306", - .max_speed_hz = 16000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - }, - } - } - }, { - .name = "admatec_c-berry28", - .spi = &(struct spi_board_info) { - .modalias = "fb_st7789v", - .max_speed_hz = 48000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - .init_sequence = cberry28_init_sequence, - }, - .gamma = CBERRY28_GAMMA, - } - } - }, { - .name = "agm1264k-fl", - .pdev = &(struct platform_device) { - .name = "fb_agm1264k-fl", - .id = 0, - .dev = { - .release = fbtft_device_pdev_release, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = FBTFT_ONBOARD_BACKLIGHT, - }, - }, - } - } - }, { - .name = "dogs102", - .spi = &(struct spi_board_info) { - .modalias = "fb_uc1701", - .max_speed_hz = 8000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - }, - .bgr = true, - } - } - }, { - .name = "er_tftm050_2", - .spi = &(struct spi_board_info) { - .modalias = "fb_ra8875", - .max_speed_hz = 5000000, - .mode = SPI_MODE_3, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - .width = 480, - .height = 272, - }, - .bgr = true, - } - } - }, { - .name = "er_tftm070_5", - .spi = &(struct spi_board_info) { - .modalias = "fb_ra8875", - .max_speed_hz = 5000000, - .mode = SPI_MODE_3, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - .width = 800, - .height = 480, - }, - .bgr = true, - } - } - }, { - .name = "ew24ha0", - .spi = &(struct spi_board_info) { - .modalias = "fb_uc1611", - .max_speed_hz = 32000000, - .mode = SPI_MODE_3, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - }, - } - } - }, { - .name = "ew24ha0_9bit", - .spi = &(struct spi_board_info) { - .modalias = "fb_uc1611", - .max_speed_hz = 32000000, - .mode = SPI_MODE_3, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 9, - }, - } - } - }, { - .name = "flexfb", - .spi = &(struct spi_board_info) { - .modalias = "flexfb", - .max_speed_hz = 32000000, - .mode = SPI_MODE_0, - } - }, { - .name = "flexpfb", - .pdev = &(struct platform_device) { - .name = "flexpfb", - .id = 0, - .dev = { - .release = fbtft_device_pdev_release, - } - } - }, { - .name = "freetronicsoled128", - .spi = &(struct spi_board_info) { - .modalias = "fb_ssd1351", - .max_speed_hz = 20000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = FBTFT_ONBOARD_BACKLIGHT, - }, - .bgr = true, - } - } - }, { - .name = "hx8353d", - .spi = &(struct spi_board_info) { - .modalias = "fb_hx8353d", - .max_speed_hz = 16000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - }, - } - } - }, { - .name = "hy28a", - .spi = &(struct spi_board_info) { - .modalias = "fb_ili9320", - .max_speed_hz = 32000000, - .mode = SPI_MODE_3, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - }, - .startbyte = 0x70, - .bgr = true, - } - } - }, { - .name = "hy28b", - .spi = &(struct spi_board_info) { - .modalias = "fb_ili9325", - .max_speed_hz = 48000000, - .mode = SPI_MODE_3, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - .init_sequence = hy28b_init_sequence, - }, - .startbyte = 0x70, - .bgr = true, - .fps = 50, - .gamma = HY28B_GAMMA, - } - } - }, { - .name = "ili9481", - .spi = &(struct spi_board_info) { - .modalias = "fb_ili9481", - .max_speed_hz = 32000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .regwidth = 16, - .buswidth = 8, - .backlight = 1, - }, - .bgr = true, - } - } - }, { - .name = "itdb24", - .pdev = &(struct platform_device) { - .name = "fb_s6d1121", - .id = 0, - .dev = { - .release = fbtft_device_pdev_release, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - }, - .bgr = false, - }, - } - } - }, { - .name = "itdb28", - .pdev = &(struct platform_device) { - .name = "fb_ili9325", - .id = 0, - .dev = { - .release = fbtft_device_pdev_release, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - }, - .bgr = true, - }, - } - } - }, { - .name = "itdb28_spi", - .spi = &(struct spi_board_info) { - .modalias = "fb_ili9325", - .max_speed_hz = 32000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - }, - .bgr = true, - } - } - }, { - .name = "mi0283qt-2", - .spi = &(struct spi_board_info) { - .modalias = "fb_hx8347d", - .max_speed_hz = 32000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - }, - .startbyte = 0x70, - .bgr = true, - } - } - }, { - .name = "mi0283qt-9a", - .spi = &(struct spi_board_info) { - .modalias = "fb_ili9341", - .max_speed_hz = 32000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 9, - .backlight = 1, - }, - .bgr = true, - } - } - }, { - .name = "mi0283qt-v2", - .spi = &(struct spi_board_info) { - .modalias = "fb_watterott", - .max_speed_hz = 4000000, - .mode = SPI_MODE_3, - .platform_data = &(struct fbtft_platform_data) { - } - } - }, { - .name = "nokia3310", - .spi = &(struct spi_board_info) { - .modalias = "fb_pcd8544", - .max_speed_hz = 400000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - }, - } - } - }, { - .name = "nokia3310a", - .spi = &(struct spi_board_info) { - .modalias = "fb_tls8204", - .max_speed_hz = 1000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - }, - } - } - }, { - .name = "nokia5110", - .spi = &(struct spi_board_info) { - .modalias = "fb_ili9163", - .max_speed_hz = 12000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - }, - .bgr = true, - } - } - }, { - .name = "piscreen", - .spi = &(struct spi_board_info) { - .modalias = "fb_ili9486", - .max_speed_hz = 32000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .regwidth = 16, - .buswidth = 8, - .backlight = 1, - }, - .bgr = true, - } - } - }, { - .name = "pitft", - .spi = &(struct spi_board_info) { - .modalias = "fb_ili9340", - .max_speed_hz = 32000000, - .mode = SPI_MODE_0, - .chip_select = 0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - .init_sequence = pitft_init_sequence, - }, - .bgr = true, - } - } - }, { - .name = "pioled", - .spi = &(struct spi_board_info) { - .modalias = "fb_ssd1351", - .max_speed_hz = 20000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - }, - .bgr = true, - .gamma = PIOLED_GAMMA - } - } - }, { - .name = "rpi-display", - .spi = &(struct spi_board_info) { - .modalias = "fb_ili9341", - .max_speed_hz = 32000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - }, - .bgr = true, - } - } - }, { - .name = "s6d02a1", - .spi = &(struct spi_board_info) { - .modalias = "fb_s6d02a1", - .max_speed_hz = 32000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - }, - .bgr = true, - } - } - }, { - .name = "sainsmart18", - .spi = &(struct spi_board_info) { - .modalias = "fb_st7735r", - .max_speed_hz = 32000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - }, - } - } - }, { - .name = "sainsmart32", - .pdev = &(struct platform_device) { - .name = "fb_ssd1289", - .id = 0, - .dev = { - .release = fbtft_device_pdev_release, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 16, - .txbuflen = -2, /* disable buffer */ - .backlight = 1, - .fbtftops.write = write_gpio16_wr_slow, - }, - .bgr = true, - }, - }, - } - }, { - .name = "sainsmart32_fast", - .pdev = &(struct platform_device) { - .name = "fb_ssd1289", - .id = 0, - .dev = { - .release = fbtft_device_pdev_release, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 16, - .txbuflen = -2, /* disable buffer */ - .backlight = 1, - }, - .bgr = true, - }, - }, - } - }, { - .name = "sainsmart32_latched", - .pdev = &(struct platform_device) { - .name = "fb_ssd1289", - .id = 0, - .dev = { - .release = fbtft_device_pdev_release, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 16, - .txbuflen = -2, /* disable buffer */ - .backlight = 1, - .fbtftops.write = - fbtft_write_gpio16_wr_latched, - }, - .bgr = true, - }, - }, - } - }, { - .name = "sainsmart32_spi", - .spi = &(struct spi_board_info) { - .modalias = "fb_ssd1289", - .max_speed_hz = 16000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - }, - .bgr = true, - } - } - }, { - .name = "spidev", - .spi = &(struct spi_board_info) { - .modalias = "spidev", - .max_speed_hz = 500000, - .bus_num = 0, - .chip_select = 0, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - } - } - }, { - .name = "ssd1331", - .spi = &(struct spi_board_info) { - .modalias = "fb_ssd1331", - .max_speed_hz = 20000000, - .mode = SPI_MODE_3, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - }, - } - } - }, { - .name = "tinylcd35", - .spi = &(struct spi_board_info) { - .modalias = "fb_tinylcd", - .max_speed_hz = 32000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - }, - .bgr = true, - } - } - }, { - .name = "tm022hdh26", - .spi = &(struct spi_board_info) { - .modalias = "fb_ili9341", - .max_speed_hz = 32000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - }, - .bgr = true, - } - } - }, { - .name = "tontec35_9481", /* boards before 02 July 2014 */ - .spi = &(struct spi_board_info) { - .modalias = "fb_ili9481", - .max_speed_hz = 128000000, - .mode = SPI_MODE_3, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - }, - .bgr = true, - } - } - }, { - .name = "tontec35_9486", /* boards after 02 July 2014 */ - .spi = &(struct spi_board_info) { - .modalias = "fb_ili9486", - .max_speed_hz = 128000000, - .mode = SPI_MODE_3, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - }, - .bgr = true, - } - } - }, { - .name = "upd161704", - .spi = &(struct spi_board_info) { - .modalias = "fb_upd161704", - .max_speed_hz = 32000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - }, - } - } - }, { - .name = "waveshare32b", - .spi = &(struct spi_board_info) { - .modalias = "fb_ili9340", - .max_speed_hz = 48000000, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - .backlight = 1, - .init_sequence = - waveshare32b_init_sequence, - }, - .bgr = true, - } - } - }, { - .name = "waveshare22", - .spi = &(struct spi_board_info) { - .modalias = "fb_bd663474", - .max_speed_hz = 32000000, - .mode = SPI_MODE_3, - .platform_data = &(struct fbtft_platform_data) { - .display = { - .buswidth = 8, - }, - } - } - }, { - /* This should be the last item. - * Used with the custom argument - */ - .name = "", - .spi = &(struct spi_board_info) { - .modalias = "", - .max_speed_hz = 0, - .mode = SPI_MODE_0, - .platform_data = &(struct fbtft_platform_data) { - } - }, - .pdev = &(struct platform_device) { - .name = "", - .id = 0, - .dev = { - .release = fbtft_device_pdev_release, - .platform_data = &(struct fbtft_platform_data) { - }, - }, - }, - } -}; - -static int write_gpio16_wr_slow(struct fbtft_par *par, void *buf, size_t len) -{ - u16 data; - int i; -#ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO - static u16 prev_data; -#endif - - fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len, - "%s(len=%zu): ", __func__, len); - - while (len) { - data = *(u16 *)buf; - - /* Start writing by pulling down /WR */ - gpiod_set_value(par->gpio.wr, 0); - - /* Set data */ -#ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO - if (data == prev_data) { - gpiod_set_value(par->gpio.wr, 0); /* used as delay */ - } else { - for (i = 0; i < 16; i++) { - if ((data & 1) != (prev_data & 1)) - gpiod_set_value(par->gpio.db[i], - data & 1); - data >>= 1; - prev_data >>= 1; - } - } -#else - for (i = 0; i < 16; i++) { - gpiod_set_value(par->gpio.db[i], data & 1); - data >>= 1; - } -#endif - - /* Pullup /WR */ - gpiod_set_value(par->gpio.wr, 1); - -#ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO - prev_data = *(u16 *)buf; -#endif - buf += 2; - len -= 2; - } - - return 0; -} - -static void adafruit18_green_tab_set_addr_win(struct fbtft_par *par, - int xs, int ys, int xe, int ye) -{ - write_reg(par, 0x2A, 0, xs + 2, 0, xe + 2); - write_reg(par, 0x2B, 0, ys + 1, 0, ye + 1); - write_reg(par, 0x2C); -} - -static void fbtft_device_pdev_release(struct device *dev) -{ -/* Needed to silence this message: - * Device 'xxx' does not have a release() function, - * it is broken and must be fixed - */ -} - -static int spi_device_found(struct device *dev, void *data) -{ - struct spi_device *spi = to_spi_device(dev); - - dev_info(dev, "%s %s %dkHz %d bits mode=0x%02X\n", spi->modalias, - dev_name(dev), spi->max_speed_hz / 1000, spi->bits_per_word, - spi->mode); - - return 0; -} - -static void pr_spi_devices(void) -{ - pr_debug("SPI devices registered:\n"); - bus_for_each_dev(&spi_bus_type, NULL, NULL, spi_device_found); -} - -static int p_device_found(struct device *dev, void *data) -{ - struct platform_device - *pdev = to_platform_device(dev); - - if (strstr(pdev->name, "fb")) - dev_info(dev, "%s id=%d pdata? %s\n", pdev->name, pdev->id, - pdev->dev.platform_data ? "yes" : "no"); - - return 0; -} - -static void pr_p_devices(void) -{ - pr_debug("'fb' Platform devices registered:\n"); - bus_for_each_dev(&platform_bus_type, NULL, NULL, p_device_found); -} - -#ifdef MODULE -static void fbtft_device_spi_delete(struct spi_master *master, unsigned int cs) -{ - struct device *dev; - char str[32]; - - snprintf(str, sizeof(str), "%s.%u", dev_name(&master->dev), cs); - - dev = bus_find_device_by_name(&spi_bus_type, NULL, str); - if (dev) { - if (verbose) - dev_info(dev, "Deleting %s\n", str); - device_del(dev); - } -} - -static int fbtft_device_spi_device_register(struct spi_board_info *spi) -{ - struct spi_master *master; - - master = spi_busnum_to_master(spi->bus_num); - if (!master) { - pr_err("spi_busnum_to_master(%d) returned NULL\n", - spi->bus_num); - return -EINVAL; - } - /* make sure it's available */ - fbtft_device_spi_delete(master, spi->chip_select); - spi_device = spi_new_device(master, spi); - put_device(&master->dev); - if (!spi_device) { - dev_err(&master->dev, "spi_new_device() returned NULL\n"); - return -EPERM; - } - return 0; -} -#else -static int fbtft_device_spi_device_register(struct spi_board_info *spi) -{ - return spi_register_board_info(spi, 1); -} -#endif - -static int __init fbtft_device_init(void) -{ - struct spi_board_info *spi = NULL; - struct fbtft_platform_data *pdata; - bool found = false; - int i = 0; - int ret = 0; - - if (!name) { -#ifdef MODULE - pr_err("missing module parameter: 'name'\n"); - return -EINVAL; -#else - return 0; -#endif - } - - if (init_num > FBTFT_MAX_INIT_SEQUENCE) { - pr_err("init parameter: exceeded max array size: %d\n", - FBTFT_MAX_INIT_SEQUENCE); - return -EINVAL; - } - - if (verbose > 2) { - pr_spi_devices(); /* print list of registered SPI devices */ - pr_p_devices(); /* print list of 'fb' platform devices */ - } - - pr_debug("name='%s', busnum=%d, cs=%d\n", name, busnum, cs); - - if (rotate > 0 && rotate < 4) { - rotate = (4 - rotate) * 90; - pr_warn("argument 'rotate' should be an angle. Values 1-3 is deprecated. Setting it to %d.\n", - rotate); - } - if (rotate != 0 && rotate != 90 && rotate != 180 && rotate != 270) { - pr_warn("argument 'rotate' illegal value: %d. Setting it to 0.\n", - rotate); - rotate = 0; - } - - /* name=list lists all supported displays */ - if (strcmp(name, "list") == 0) { - pr_info("Supported displays:\n"); - - for (i = 0; i < ARRAY_SIZE(displays); i++) - pr_info("%s\n", displays[i].name); - return -ECANCELED; - } - - if (custom) { - i = ARRAY_SIZE(displays) - 1; - displays[i].name = name; - if (speed == 0) { - displays[i].pdev->name = name; - displays[i].spi = NULL; - } else { - size_t len; - - len = strlcpy(displays[i].spi->modalias, name, - SPI_NAME_SIZE); - if (len >= SPI_NAME_SIZE) - pr_warn("modalias (name) truncated to: %s\n", - displays[i].spi->modalias); - displays[i].pdev = NULL; - } - } - - for (i = 0; i < ARRAY_SIZE(displays); i++) { - if (strncmp(name, displays[i].name, SPI_NAME_SIZE) == 0) { - if (displays[i].spi) { - spi = displays[i].spi; - spi->chip_select = cs; - spi->bus_num = busnum; - if (speed) - spi->max_speed_hz = speed; - if (mode != -1) - spi->mode = mode; - pdata = (void *)spi->platform_data; - } else if (displays[i].pdev) { - p_device = displays[i].pdev; - pdata = p_device->dev.platform_data; - } else { - pr_err("broken displays array\n"); - return -EINVAL; - } - - pdata->rotate = rotate; - if (bgr == 0) - pdata->bgr = false; - else if (bgr == 1) - pdata->bgr = true; - if (startbyte) - pdata->startbyte = startbyte; - if (gamma) - pdata->gamma = gamma; - pdata->display.debug = debug; - if (fps) - pdata->fps = fps; - if (txbuflen) - pdata->txbuflen = txbuflen; - if (init_num) - pdata->display.init_sequence = init; - if (custom) { - pdata->display.width = width; - pdata->display.height = height; - pdata->display.buswidth = buswidth; - pdata->display.backlight = 1; - } - - if (displays[i].spi) { - ret = fbtft_device_spi_device_register(spi); - if (ret) { - pr_err("failed to register SPI device\n"); - return ret; - } - } else { - ret = platform_device_register(p_device); - if (ret < 0) { - pr_err("platform_device_register() returned %d\n", - ret); - return ret; - } - } - found = true; - break; - } - } - - if (!found) { - pr_err("display not supported: '%s'\n", name); - return -EINVAL; - } - - if (spi_device && (verbose > 1)) - pr_spi_devices(); - if (p_device && (verbose > 1)) - pr_p_devices(); - - return 0; -} - -static void __exit fbtft_device_exit(void) -{ - if (spi_device) { - device_del(&spi_device->dev); - kfree(spi_device); - } - - if (p_device) - platform_device_unregister(p_device); -} - -arch_initcall(fbtft_device_init); -module_exit(fbtft_device_exit); - -MODULE_DESCRIPTION("Add a FBTFT device."); -MODULE_AUTHOR("Noralf Tronnes"); -MODULE_LICENSE("GPL"); diff --git a/drivers/staging/fbtft/flexfb.c b/drivers/staging/fbtft/flexfb.c deleted file mode 100644 index 3747321011fa..000000000000 --- a/drivers/staging/fbtft/flexfb.c +++ /dev/null @@ -1,851 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Generic FB driver for TFT LCD displays - * - * Copyright (C) 2013 Noralf Tronnes - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/vmalloc.h> -#include <linux/gpio/consumer.h> -#include <linux/spi/spi.h> -#include <linux/delay.h> - -#include "fbtft.h" - -#define DRVNAME "flexfb" - -static char *chip; -module_param(chip, charp, 0000); -MODULE_PARM_DESC(chip, "LCD controller"); - -static unsigned int width; -module_param(width, uint, 0000); -MODULE_PARM_DESC(width, "Display width"); - -static unsigned int height; -module_param(height, uint, 0000); -MODULE_PARM_DESC(height, "Display height"); - -static s16 init[512]; -static int init_num; -module_param_array(init, short, &init_num, 0000); -MODULE_PARM_DESC(init, "Init sequence"); - -static unsigned int setaddrwin; -module_param(setaddrwin, uint, 0000); -MODULE_PARM_DESC(setaddrwin, "Which set_addr_win() implementation to use"); - -static unsigned int buswidth = 8; -module_param(buswidth, uint, 0000); -MODULE_PARM_DESC(buswidth, "Width of databus (default: 8)"); - -static unsigned int regwidth = 8; -module_param(regwidth, uint, 0000); -MODULE_PARM_DESC(regwidth, "Width of controller register (default: 8)"); - -static bool nobacklight; -module_param(nobacklight, bool, 0000); -MODULE_PARM_DESC(nobacklight, "Turn off backlight functionality."); - -static bool latched; -module_param(latched, bool, 0000); -MODULE_PARM_DESC(latched, "Use with latched 16-bit databus"); - -static const s16 *initp; -static int initp_num; - -/* default init sequences */ -static const s16 st7735r_init[] = { - -1, 0x01, - -2, 150, - -1, 0x11, - -2, 500, - -1, 0xB1, 0x01, 0x2C, 0x2D, - -1, 0xB2, 0x01, 0x2C, 0x2D, - -1, 0xB3, 0x01, 0x2C, 0x2D, 0x01, 0x2C, 0x2D, - -1, 0xB4, 0x07, - -1, 0xC0, 0xA2, 0x02, 0x84, - -1, 0xC1, 0xC5, - -1, 0xC2, 0x0A, 0x00, - -1, 0xC3, 0x8A, 0x2A, - -1, 0xC4, 0x8A, 0xEE, - -1, 0xC5, 0x0E, - -1, 0x20, - -1, 0x36, 0xC0, - -1, 0x3A, 0x05, - -1, 0xE0, 0x0f, 0x1a, 0x0f, 0x18, 0x2f, 0x28, 0x20, 0x22, - 0x1f, 0x1b, 0x23, 0x37, 0x00, 0x07, 0x02, 0x10, - -1, 0xE1, 0x0f, 0x1b, 0x0f, 0x17, 0x33, 0x2c, 0x29, 0x2e, - 0x30, 0x30, 0x39, 0x3f, 0x00, 0x07, 0x03, 0x10, - -1, 0x29, - -2, 100, - -1, 0x13, - -2, 10, - -3 -}; - -static const s16 ssd1289_init[] = { - -1, 0x00, 0x0001, - -1, 0x03, 0xA8A4, - -1, 0x0C, 0x0000, - -1, 0x0D, 0x080C, - -1, 0x0E, 0x2B00, - -1, 0x1E, 0x00B7, - -1, 0x01, 0x2B3F, - -1, 0x02, 0x0600, - -1, 0x10, 0x0000, - -1, 0x11, 0x6070, - -1, 0x05, 0x0000, - -1, 0x06, 0x0000, - -1, 0x16, 0xEF1C, - -1, 0x17, 0x0003, - -1, 0x07, 0x0233, - -1, 0x0B, 0x0000, - -1, 0x0F, 0x0000, - -1, 0x41, 0x0000, - -1, 0x42, 0x0000, - -1, 0x48, 0x0000, - -1, 0x49, 0x013F, - -1, 0x4A, 0x0000, - -1, 0x4B, 0x0000, - -1, 0x44, 0xEF00, - -1, 0x45, 0x0000, - -1, 0x46, 0x013F, - -1, 0x30, 0x0707, - -1, 0x31, 0x0204, - -1, 0x32, 0x0204, - -1, 0x33, 0x0502, - -1, 0x34, 0x0507, - -1, 0x35, 0x0204, - -1, 0x36, 0x0204, - -1, 0x37, 0x0502, - -1, 0x3A, 0x0302, - -1, 0x3B, 0x0302, - -1, 0x23, 0x0000, - -1, 0x24, 0x0000, - -1, 0x25, 0x8000, - -1, 0x4f, 0x0000, - -1, 0x4e, 0x0000, - -1, 0x22, - -3 -}; - -static const s16 hx8340bn_init[] = { - -1, 0xC1, 0xFF, 0x83, 0x40, - -1, 0x11, - -2, 150, - -1, 0xCA, 0x70, 0x00, 0xD9, - -1, 0xB0, 0x01, 0x11, - -1, 0xC9, 0x90, 0x49, 0x10, 0x28, 0x28, 0x10, 0x00, 0x06, - -2, 20, - -1, 0xC2, 0x60, 0x71, 0x01, 0x0E, 0x05, 0x02, 0x09, 0x31, 0x0A, - -1, 0xC3, 0x67, 0x30, 0x61, 0x17, 0x48, 0x07, 0x05, 0x33, - -2, 10, - -1, 0xB5, 0x35, 0x20, 0x45, - -1, 0xB4, 0x33, 0x25, 0x4C, - -2, 10, - -1, 0x3A, 0x05, - -1, 0x29, - -2, 10, - -3 -}; - -static const s16 ili9225_init[] = { - -1, 0x0001, 0x011C, - -1, 0x0002, 0x0100, - -1, 0x0003, 0x1030, - -1, 0x0008, 0x0808, - -1, 0x000C, 0x0000, - -1, 0x000F, 0x0A01, - -1, 0x0020, 0x0000, - -1, 0x0021, 0x0000, - -2, 50, - -1, 0x0010, 0x0A00, - -1, 0x0011, 0x1038, - -2, 50, - -1, 0x0012, 0x1121, - -1, 0x0013, 0x004E, - -1, 0x0014, 0x676F, - -1, 0x0030, 0x0000, - -1, 0x0031, 0x00DB, - -1, 0x0032, 0x0000, - -1, 0x0033, 0x0000, - -1, 0x0034, 0x00DB, - -1, 0x0035, 0x0000, - -1, 0x0036, 0x00AF, - -1, 0x0037, 0x0000, - -1, 0x0038, 0x00DB, - -1, 0x0039, 0x0000, - -1, 0x0050, 0x0000, - -1, 0x0051, 0x060A, - -1, 0x0052, 0x0D0A, - -1, 0x0053, 0x0303, - -1, 0x0054, 0x0A0D, - -1, 0x0055, 0x0A06, - -1, 0x0056, 0x0000, - -1, 0x0057, 0x0303, - -1, 0x0058, 0x0000, - -1, 0x0059, 0x0000, - -2, 50, - -1, 0x0007, 0x1017, - -2, 50, - -3 -}; - -static const s16 ili9320_init[] = { - -1, 0x00E5, 0x8000, - -1, 0x0000, 0x0001, - -1, 0x0001, 0x0100, - -1, 0x0002, 0x0700, - -1, 0x0003, 0x1030, - -1, 0x0004, 0x0000, - -1, 0x0008, 0x0202, - -1, 0x0009, 0x0000, - -1, 0x000A, 0x0000, - -1, 0x000C, 0x0000, - -1, 0x000D, 0x0000, - -1, 0x000F, 0x0000, - -1, 0x0010, 0x0000, - -1, 0x0011, 0x0007, - -1, 0x0012, 0x0000, - -1, 0x0013, 0x0000, - -2, 200, - -1, 0x0010, 0x17B0, - -1, 0x0011, 0x0031, - -2, 50, - -1, 0x0012, 0x0138, - -2, 50, - -1, 0x0013, 0x1800, - -1, 0x0029, 0x0008, - -2, 50, - -1, 0x0020, 0x0000, - -1, 0x0021, 0x0000, - -1, 0x0030, 0x0000, - -1, 0x0031, 0x0505, - -1, 0x0032, 0x0004, - -1, 0x0035, 0x0006, - -1, 0x0036, 0x0707, - -1, 0x0037, 0x0105, - -1, 0x0038, 0x0002, - -1, 0x0039, 0x0707, - -1, 0x003C, 0x0704, - -1, 0x003D, 0x0807, - -1, 0x0050, 0x0000, - -1, 0x0051, 0x00EF, - -1, 0x0052, 0x0000, - -1, 0x0053, 0x013F, - -1, 0x0060, 0x2700, - -1, 0x0061, 0x0001, - -1, 0x006A, 0x0000, - -1, 0x0080, 0x0000, - -1, 0x0081, 0x0000, - -1, 0x0082, 0x0000, - -1, 0x0083, 0x0000, - -1, 0x0084, 0x0000, - -1, 0x0085, 0x0000, - -1, 0x0090, 0x0010, - -1, 0x0092, 0x0000, - -1, 0x0093, 0x0003, - -1, 0x0095, 0x0110, - -1, 0x0097, 0x0000, - -1, 0x0098, 0x0000, - -1, 0x0007, 0x0173, - -3 -}; - -static const s16 ili9325_init[] = { - -1, 0x00E3, 0x3008, - -1, 0x00E7, 0x0012, - -1, 0x00EF, 0x1231, - -1, 0x0001, 0x0100, - -1, 0x0002, 0x0700, - -1, 0x0003, 0x1030, - -1, 0x0004, 0x0000, - -1, 0x0008, 0x0207, - -1, 0x0009, 0x0000, - -1, 0x000A, 0x0000, - -1, 0x000C, 0x0000, - -1, 0x000D, 0x0000, - -1, 0x000F, 0x0000, - -1, 0x0010, 0x0000, - -1, 0x0011, 0x0007, - -1, 0x0012, 0x0000, - -1, 0x0013, 0x0000, - -2, 200, - -1, 0x0010, 0x1690, - -1, 0x0011, 0x0223, - -2, 50, - -1, 0x0012, 0x000D, - -2, 50, - -1, 0x0013, 0x1200, - -1, 0x0029, 0x000A, - -1, 0x002B, 0x000C, - -2, 50, - -1, 0x0020, 0x0000, - -1, 0x0021, 0x0000, - -1, 0x0030, 0x0000, - -1, 0x0031, 0x0506, - -1, 0x0032, 0x0104, - -1, 0x0035, 0x0207, - -1, 0x0036, 0x000F, - -1, 0x0037, 0x0306, - -1, 0x0038, 0x0102, - -1, 0x0039, 0x0707, - -1, 0x003C, 0x0702, - -1, 0x003D, 0x1604, - -1, 0x0050, 0x0000, - -1, 0x0051, 0x00EF, - -1, 0x0052, 0x0000, - -1, 0x0053, 0x013F, - -1, 0x0060, 0xA700, - -1, 0x0061, 0x0001, - -1, 0x006A, 0x0000, - -1, 0x0080, 0x0000, - -1, 0x0081, 0x0000, - -1, 0x0082, 0x0000, - -1, 0x0083, 0x0000, - -1, 0x0084, 0x0000, - -1, 0x0085, 0x0000, - -1, 0x0090, 0x0010, - -1, 0x0092, 0x0600, - -1, 0x0007, 0x0133, - -3 -}; - -static const s16 ili9341_init[] = { - -1, 0x28, - -2, 20, - -1, 0xCF, 0x00, 0x83, 0x30, - -1, 0xED, 0x64, 0x03, 0x12, 0x81, - -1, 0xE8, 0x85, 0x01, 0x79, - -1, 0xCB, 0x39, 0x2c, 0x00, 0x34, 0x02, - -1, 0xF7, 0x20, - -1, 0xEA, 0x00, 0x00, - -1, 0xC0, 0x26, - -1, 0xC1, 0x11, - -1, 0xC5, 0x35, 0x3E, - -1, 0xC7, 0xBE, - -1, 0xB1, 0x00, 0x1B, - -1, 0xB6, 0x0a, 0x82, 0x27, 0x00, - -1, 0xB7, 0x07, - -1, 0x3A, 0x55, - -1, 0x36, 0x48, - -1, 0x11, - -2, 120, - -1, 0x29, - -2, 20, - -3 -}; - -static const s16 ssd1351_init[] = { - -1, 0xfd, 0x12, - -1, 0xfd, 0xb1, - -1, 0xae, - -1, 0xb3, 0xf1, - -1, 0xca, 0x7f, - -1, 0xa0, 0x74, - -1, 0x15, 0x00, 0x7f, - -1, 0x75, 0x00, 0x7f, - -1, 0xa1, 0x00, - -1, 0xa2, 0x00, - -1, 0xb5, 0x00, - -1, 0xab, 0x01, - -1, 0xb1, 0x32, - -1, 0xb4, 0xa0, 0xb5, 0x55, - -1, 0xbb, 0x17, - -1, 0xbe, 0x05, - -1, 0xc1, 0xc8, 0x80, 0xc8, - -1, 0xc7, 0x0f, - -1, 0xb6, 0x01, - -1, 0xa6, - -1, 0xaf, - -3 -}; - -/** - * struct flexfb_lcd_controller - Describes the LCD controller properties - * @name: Model name of the chip - * @width: Width of display in pixels - * @height: Height of display in pixels - * @setaddrwin: Which set_addr_win() implementation to use - * @regwidth: LCD Controller Register width in bits - * @init_seq: LCD initialization sequence - * @init_seq_sz: Size of LCD initialization sequence - */ -struct flexfb_lcd_controller { - const char *name; - unsigned int width; - unsigned int height; - unsigned int setaddrwin; - unsigned int regwidth; - const s16 *init_seq; - int init_seq_sz; -}; - -static const struct flexfb_lcd_controller flexfb_chip_table[] = { - { - .name = "st7735r", - .width = 120, - .height = 160, - .init_seq = st7735r_init, - .init_seq_sz = ARRAY_SIZE(st7735r_init), - }, - { - .name = "hx8340bn", - .width = 176, - .height = 220, - .init_seq = hx8340bn_init, - .init_seq_sz = ARRAY_SIZE(hx8340bn_init), - }, - { - .name = "ili9225", - .width = 176, - .height = 220, - .regwidth = 16, - .init_seq = ili9225_init, - .init_seq_sz = ARRAY_SIZE(ili9225_init), - }, - { - .name = "ili9320", - .width = 240, - .height = 320, - .setaddrwin = 1, - .regwidth = 16, - .init_seq = ili9320_init, - .init_seq_sz = ARRAY_SIZE(ili9320_init), - }, - { - .name = "ili9325", - .width = 240, - .height = 320, - .setaddrwin = 1, - .regwidth = 16, - .init_seq = ili9325_init, - .init_seq_sz = ARRAY_SIZE(ili9325_init), - }, - { - .name = "ili9341", - .width = 240, - .height = 320, - .init_seq = ili9341_init, - .init_seq_sz = ARRAY_SIZE(ili9341_init), - }, - { - .name = "ssd1289", - .width = 240, - .height = 320, - .setaddrwin = 2, - .regwidth = 16, - .init_seq = ssd1289_init, - .init_seq_sz = ARRAY_SIZE(ssd1289_init), - }, - { - .name = "ssd1351", - .width = 128, - .height = 128, - .setaddrwin = 3, - .init_seq = ssd1351_init, - .init_seq_sz = ARRAY_SIZE(ssd1351_init), - }, -}; - -/* ili9320, ili9325 */ -static void flexfb_set_addr_win_1(struct fbtft_par *par, - int xs, int ys, int xe, int ye) -{ - switch (par->info->var.rotate) { - /* R20h = Horizontal GRAM Start Address */ - /* R21h = Vertical GRAM Start Address */ - case 0: - write_reg(par, 0x0020, xs); - write_reg(par, 0x0021, ys); - break; - case 180: - write_reg(par, 0x0020, width - 1 - xs); - write_reg(par, 0x0021, height - 1 - ys); - break; - case 270: - write_reg(par, 0x0020, width - 1 - ys); - write_reg(par, 0x0021, xs); - break; - case 90: - write_reg(par, 0x0020, ys); - write_reg(par, 0x0021, height - 1 - xs); - break; - } - write_reg(par, 0x0022); /* Write Data to GRAM */ -} - -/* ssd1289 */ -static void flexfb_set_addr_win_2(struct fbtft_par *par, - int xs, int ys, int xe, int ye) -{ - switch (par->info->var.rotate) { - /* R4Eh - Set GDDRAM X address counter */ - /* R4Fh - Set GDDRAM Y address counter */ - case 0: - write_reg(par, 0x4e, xs); - write_reg(par, 0x4f, ys); - break; - case 180: - write_reg(par, 0x4e, par->info->var.xres - 1 - xs); - write_reg(par, 0x4f, par->info->var.yres - 1 - ys); - break; - case 270: - write_reg(par, 0x4e, par->info->var.yres - 1 - ys); - write_reg(par, 0x4f, xs); - break; - case 90: - write_reg(par, 0x4e, ys); - write_reg(par, 0x4f, par->info->var.xres - 1 - xs); - break; - } - - /* R22h - RAM data write */ - write_reg(par, 0x22, 0); -} - -/* ssd1351 */ -static void set_addr_win_3(struct fbtft_par *par, - int xs, int ys, int xe, int ye) -{ - write_reg(par, 0x15, xs, xe); - write_reg(par, 0x75, ys, ye); - write_reg(par, 0x5C); -} - -static int flexfb_verify_gpios_dc(struct fbtft_par *par) -{ - fbtft_par_dbg(DEBUG_VERIFY_GPIOS, par, "%s()\n", __func__); - - if (!par->gpio.dc) { - dev_err(par->info->device, - "Missing info about 'dc' gpio. Aborting.\n"); - return -EINVAL; - } - - return 0; -} - -static int flexfb_verify_gpios_db(struct fbtft_par *par) -{ - int i; - int num_db = buswidth; - - fbtft_par_dbg(DEBUG_VERIFY_GPIOS, par, "%s()\n", __func__); - - if (!par->gpio.dc) { - dev_err(par->info->device, "Missing info about 'dc' gpio. Aborting.\n"); - return -EINVAL; - } - if (!par->gpio.wr) { - dev_err(par->info->device, "Missing info about 'wr' gpio. Aborting.\n"); - return -EINVAL; - } - if (latched && !par->gpio.latch) { - dev_err(par->info->device, "Missing info about 'latch' gpio. Aborting.\n"); - return -EINVAL; - } - if (latched) - num_db = buswidth / 2; - for (i = 0; i < num_db; i++) { - if (!par->gpio.db[i]) { - dev_err(par->info->device, - "Missing info about 'db%02d' gpio. Aborting.\n", - i); - return -EINVAL; - } - } - - return 0; -} - -static void flexfb_chip_load_param(const struct flexfb_lcd_controller *chip) -{ - if (!width) - width = chip->width; - if (!height) - height = chip->height; - setaddrwin = chip->setaddrwin; - if (chip->regwidth) - regwidth = chip->regwidth; - if (!init_num) { - initp = chip->init_seq; - initp_num = chip->init_seq_sz; - } -} - -static struct fbtft_display flex_display = { }; - -static int flexfb_chip_init(const struct device *dev) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(flexfb_chip_table); i++) - if (!strcmp(chip, flexfb_chip_table[i].name)) { - flexfb_chip_load_param(&flexfb_chip_table[i]); - return 0; - } - - dev_err(dev, "chip=%s is not supported\n", chip); - - return -EINVAL; -} - -static int flexfb_probe_common(struct spi_device *sdev, - struct platform_device *pdev) -{ - struct device *dev; - struct fb_info *info; - struct fbtft_par *par; - int ret; - - initp = init; - initp_num = init_num; - - if (sdev) - dev = &sdev->dev; - else - dev = &pdev->dev; - - fbtft_init_dbg(dev, "%s(%s)\n", __func__, - sdev ? "'SPI device'" : "'Platform device'"); - - if (chip) { - ret = flexfb_chip_init(dev); - if (ret) - return ret; - } - - if (width == 0 || height == 0) { - dev_err(dev, "argument(s) missing: width and height has to be set.\n"); - return -EINVAL; - } - flex_display.width = width; - flex_display.height = height; - fbtft_init_dbg(dev, "Display resolution: %dx%d\n", width, height); - fbtft_init_dbg(dev, "chip = %s\n", chip ? chip : "not set"); - fbtft_init_dbg(dev, "setaddrwin = %d\n", setaddrwin); - fbtft_init_dbg(dev, "regwidth = %d\n", regwidth); - fbtft_init_dbg(dev, "buswidth = %d\n", buswidth); - - info = fbtft_framebuffer_alloc(&flex_display, dev, dev->platform_data); - if (!info) - return -ENOMEM; - - par = info->par; - if (sdev) - par->spi = sdev; - else - par->pdev = pdev; - if (!par->init_sequence) - par->init_sequence = initp; - par->fbtftops.init_display = fbtft_init_display; - - /* registerwrite functions */ - switch (regwidth) { - case 8: - par->fbtftops.write_register = fbtft_write_reg8_bus8; - break; - case 16: - par->fbtftops.write_register = fbtft_write_reg16_bus8; - break; - default: - dev_err(dev, - "argument 'regwidth': %d is not supported.\n", - regwidth); - return -EINVAL; - } - - /* bus functions */ - if (sdev) { - par->fbtftops.write = fbtft_write_spi; - switch (buswidth) { - case 8: - par->fbtftops.write_vmem = fbtft_write_vmem16_bus8; - if (!par->startbyte) - par->fbtftops.verify_gpios = flexfb_verify_gpios_dc; - break; - case 9: - if (regwidth == 16) { - dev_err(dev, "argument 'regwidth': %d is not supported with buswidth=%d and SPI.\n", - regwidth, buswidth); - return -EINVAL; - } - par->fbtftops.write_register = fbtft_write_reg8_bus9; - par->fbtftops.write_vmem = fbtft_write_vmem16_bus9; - if (par->spi->master->bits_per_word_mask - & SPI_BPW_MASK(9)) { - par->spi->bits_per_word = 9; - break; - } - - dev_warn(dev, - "9-bit SPI not available, emulating using 8-bit.\n"); - /* allocate buffer with room for dc bits */ - par->extra = devm_kzalloc(par->info->device, - par->txbuf.len - + (par->txbuf.len / 8) + 8, - GFP_KERNEL); - if (!par->extra) { - ret = -ENOMEM; - goto out_release; - } - par->fbtftops.write = fbtft_write_spi_emulate_9; - - break; - default: - dev_err(dev, - "argument 'buswidth': %d is not supported with SPI.\n", - buswidth); - return -EINVAL; - } - } else { - par->fbtftops.verify_gpios = flexfb_verify_gpios_db; - switch (buswidth) { - case 8: - par->fbtftops.write = fbtft_write_gpio8_wr; - par->fbtftops.write_vmem = fbtft_write_vmem16_bus8; - break; - case 16: - par->fbtftops.write_register = fbtft_write_reg16_bus16; - if (latched) - par->fbtftops.write = fbtft_write_gpio16_wr_latched; - else - par->fbtftops.write = fbtft_write_gpio16_wr; - par->fbtftops.write_vmem = fbtft_write_vmem16_bus16; - break; - default: - dev_err(dev, - "argument 'buswidth': %d is not supported with parallel.\n", - buswidth); - return -EINVAL; - } - } - - /* set_addr_win function */ - switch (setaddrwin) { - case 0: - /* use default */ - break; - case 1: - par->fbtftops.set_addr_win = flexfb_set_addr_win_1; - break; - case 2: - par->fbtftops.set_addr_win = flexfb_set_addr_win_2; - break; - case 3: - par->fbtftops.set_addr_win = set_addr_win_3; - break; - default: - dev_err(dev, "argument 'setaddrwin': unknown value %d.\n", - setaddrwin); - return -EINVAL; - } - - if (!nobacklight) - par->fbtftops.register_backlight = fbtft_register_backlight; - - ret = fbtft_register_framebuffer(info); - if (ret < 0) - goto out_release; - - return 0; - -out_release: - fbtft_framebuffer_release(info); - - return ret; -} - -static int flexfb_remove_common(struct device *dev, struct fb_info *info) -{ - struct fbtft_par *par; - - if (!info) - return -EINVAL; - par = info->par; - if (par) - fbtft_par_dbg(DEBUG_DRIVER_INIT_FUNCTIONS, par, "%s()\n", - __func__); - fbtft_unregister_framebuffer(info); - fbtft_framebuffer_release(info); - - return 0; -} - -static int flexfb_probe_spi(struct spi_device *spi) -{ - return flexfb_probe_common(spi, NULL); -} - -static int flexfb_remove_spi(struct spi_device *spi) -{ - struct fb_info *info = spi_get_drvdata(spi); - - return flexfb_remove_common(&spi->dev, info); -} - -static int flexfb_probe_pdev(struct platform_device *pdev) -{ - return flexfb_probe_common(NULL, pdev); -} - -static int flexfb_remove_pdev(struct platform_device *pdev) -{ - struct fb_info *info = platform_get_drvdata(pdev); - - return flexfb_remove_common(&pdev->dev, info); -} - -static struct spi_driver flexfb_spi_driver = { - .driver = { - .name = DRVNAME, - }, - .probe = flexfb_probe_spi, - .remove = flexfb_remove_spi, -}; - -static const struct platform_device_id flexfb_platform_ids[] = { - { "flexpfb", 0 }, - { }, -}; -MODULE_DEVICE_TABLE(platform, flexfb_platform_ids); - -static struct platform_driver flexfb_platform_driver = { - .driver = { - .name = DRVNAME, - }, - .id_table = flexfb_platform_ids, - .probe = flexfb_probe_pdev, - .remove = flexfb_remove_pdev, -}; - -static int __init flexfb_init(void) -{ - int ret, ret2; - - ret = spi_register_driver(&flexfb_spi_driver); - ret2 = platform_driver_register(&flexfb_platform_driver); - if (ret < 0) - return ret; - return ret2; -} - -static void __exit flexfb_exit(void) -{ - spi_unregister_driver(&flexfb_spi_driver); - platform_driver_unregister(&flexfb_platform_driver); -} - -/* ------------------------------------------------------------------------- */ - -module_init(flexfb_init); -module_exit(flexfb_exit); - -MODULE_DESCRIPTION("Generic FB driver for TFT LCD displays"); -MODULE_AUTHOR("Noralf Tronnes"); -MODULE_LICENSE("GPL"); diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c index a62057555d1b..83469061a542 100644 --- a/drivers/staging/octeon/ethernet-tx.c +++ b/drivers/staging/octeon/ethernet-tx.c @@ -261,11 +261,11 @@ int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev) /* Build the PKO buffer pointer */ hw_buffer.u64 = 0; if (skb_shinfo(skb)->nr_frags == 0) { - hw_buffer.s.addr = XKPHYS_TO_PHYS((u64)skb->data); + hw_buffer.s.addr = XKPHYS_TO_PHYS((uintptr_t)skb->data); hw_buffer.s.pool = 0; hw_buffer.s.size = skb->len; } else { - hw_buffer.s.addr = XKPHYS_TO_PHYS((u64)skb->data); + hw_buffer.s.addr = XKPHYS_TO_PHYS((uintptr_t)skb->data); hw_buffer.s.pool = 0; hw_buffer.s.size = skb_headlen(skb); CVM_OCT_SKB_CB(skb)[0] = hw_buffer.u64; @@ -273,11 +273,12 @@ int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev) skb_frag_t *fs = skb_shinfo(skb)->frags + i; hw_buffer.s.addr = - XKPHYS_TO_PHYS((u64)skb_frag_address(fs)); + XKPHYS_TO_PHYS((uintptr_t)skb_frag_address(fs)); hw_buffer.s.size = skb_frag_size(fs); CVM_OCT_SKB_CB(skb)[i + 1] = hw_buffer.u64; } - hw_buffer.s.addr = XKPHYS_TO_PHYS((u64)CVM_OCT_SKB_CB(skb)); + hw_buffer.s.addr = + XKPHYS_TO_PHYS((uintptr_t)CVM_OCT_SKB_CB(skb)); hw_buffer.s.size = skb_shinfo(skb)->nr_frags + 1; pko_command.s.segs = skb_shinfo(skb)->nr_frags + 1; pko_command.s.gather = 1; diff --git a/drivers/staging/octeon/octeon-stubs.h b/drivers/staging/octeon/octeon-stubs.h index a4ac3bfb62a8..b78ce9eaab85 100644 --- a/drivers/staging/octeon/octeon-stubs.h +++ b/drivers/staging/octeon/octeon-stubs.h @@ -1202,7 +1202,7 @@ static inline int cvmx_wqe_get_grp(cvmx_wqe_t *work) static inline void *cvmx_phys_to_ptr(uint64_t physical_address) { - return (void *)(physical_address); + return (void *)(uintptr_t)(physical_address); } static inline uint64_t cvmx_ptr_to_phys(void *ptr) diff --git a/drivers/staging/rtl8188eu/hal/hal8188e_rate_adaptive.c b/drivers/staging/rtl8188eu/hal/hal8188e_rate_adaptive.c index 9ddd51685063..5792f491b59a 100644 --- a/drivers/staging/rtl8188eu/hal/hal8188e_rate_adaptive.c +++ b/drivers/staging/rtl8188eu/hal/hal8188e_rate_adaptive.c @@ -409,7 +409,7 @@ static int odm_ARFBRefresh_8188E(struct odm_dm_struct *dm_odm, struct odm_ra_inf pRaInfo->PTModeSS = 3; else if (pRaInfo->HighestRate > 0x0b) pRaInfo->PTModeSS = 2; - else if (pRaInfo->HighestRate > 0x0b) + else if (pRaInfo->HighestRate > 0x03) pRaInfo->PTModeSS = 1; else pRaInfo->PTModeSS = 0; diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c index 664d93a7f90d..4fac9dca798e 100644 --- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c +++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c @@ -348,8 +348,10 @@ static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj, } padapter->HalData = kzalloc(sizeof(struct hal_data_8188e), GFP_KERNEL); - if (!padapter->HalData) - DBG_88E("cant not alloc memory for HAL DATA\n"); + if (!padapter->HalData) { + DBG_88E("Failed to allocate memory for HAL data\n"); + goto free_adapter; + } /* step read_chip_version */ rtw_hal_read_chip_version(padapter); diff --git a/drivers/staging/speakup/sysfs-driver-speakup b/drivers/staging/speakup/sysfs-driver-speakup new file mode 100644 index 000000000000..be3f5d6962e9 --- /dev/null +++ b/drivers/staging/speakup/sysfs-driver-speakup @@ -0,0 +1,369 @@ +What: /sys/accessibility/speakup/attrib_bleep +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Beeps the PC speaker when there is an attribute change such as + foreground or background color when using speakup review + commands. One = on, zero = off. + +What: /sys/accessibility/speakup/bell_pos +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: This works much like a typewriter bell. If for example 72 is + echoed to bell_pos, it will beep the PC speaker when typing on + a line past character 72. + +What: /sys/accessibility/speakup/bleeps +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: This controls whether one hears beeps through the PC speaker + when using speakup's review commands. + TODO: what values does it accept? + +What: /sys/accessibility/speakup/bleep_time +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: This controls the duration of the PC speaker beeps speakup + produces. + TODO: What are the units? Jiffies? + +What: /sys/accessibility/speakup/cursor_time +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: This controls cursor delay when using arrow keys. When a + connection is very slow, with the default setting, when moving + with the arrows, or backspacing etc. speakup says the incorrect + characters. Set this to a higher value to adjust for the delay + and better synchronisation between cursor position and speech. + +What: /sys/accessibility/speakup/delimiters +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Delimit a word from speakup. + TODO: add more info + +What: /sys/accessibility/speakup/ex_num +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: TODO: + +What: /sys/accessibility/speakup/key_echo +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Controls if speakup speaks keys when they are typed. One = on, + zero = off or don't echo keys. + +What: /sys/accessibility/speakup/keymap +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Speakup keymap remaps keys to Speakup functions. + It uses a binary + format. A special program called genmap is needed to compile a + textual keymap into the binary format which is then loaded into + /sys/accessibility/speakup/keymap. + +What: /sys/accessibility/speakup/no_interrupt +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Controls if typing interrupts output from speakup. With + no_interrupt set to zero, typing on the keyboard will interrupt + speakup if for example + the say screen command is used before the + entire screen is read. + With no_interrupt set to one, if the say + screen command is used, and one then types on the keyboard, + speakup will continue to say the whole screen regardless until + it finishes. + +What: /sys/accessibility/speakup/punc_all +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: This is a list of all the punctuation speakup should speak when + punc_level is set to four. + +What: /sys/accessibility/speakup/punc_level +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Controls the level of punctuation spoken as the screen is + displayed, not reviewed. Levels range from zero no punctuation, + to four, all punctuation. One corresponds to punc_some, two + corresponds to punc_most, and three as well as four both + correspond to punc_all. Some hardware synthesizers may have + different levels each corresponding to three and four for + punc_level. Also note that if punc_level is set to zero, and + key_echo is set to one, typed punctuation is still spoken as it + is typed. + +What: /sys/accessibility/speakup/punc_most +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: This is a list of all the punctuation speakup should speak when + punc_level is set to two. + +What: /sys/accessibility/speakup/punc_some +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: This is a list of all the punctuation speakup should speak when + punc_level is set to one. + +What: /sys/accessibility/speakup/reading_punc +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Almost the same as punc_level, the differences being that + reading_punc controls the level of punctuation when reviewing + the screen with speakup's screen review commands. The other + difference is that reading_punc set to three speaks punc_all, + and reading_punc set to four speaks all punctuation, including + spaces. + +What: /sys/accessibility/speakup/repeats +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: A list of characters speakup repeats. Normally, when there are + more than three characters in a row, speakup + just reads three of + those characters. For example, "......" would be read as dot, + dot, dot. If a . is added to the list of characters in repeats, + "......" would be read as dot, dot, dot, times six. + +What: /sys/accessibility/speakup/say_control +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: If set to one, speakup speaks shift, alt and control when those + keys are pressed. If say_control is set to zero, shift, ctrl, + and alt are not spoken when they are pressed. + +What: /sys/accessibility/speakup/say_word_ctl +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: TODO: + +What: /sys/accessibility/speakup/silent +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: TODO: + +What: /sys/accessibility/speakup/spell_delay +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: This controls how fast a word is spelled + when speakup's say word + review command is pressed twice quickly to speak the current + word being reviewed. Zero just speaks the letters one after + another, while values one through four + seem to introduce more of + a pause between the spelling of each letter by speakup. + +What: /sys/accessibility/speakup/synth +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Gets or sets the synthesizer driver currently in use. Reading + synth returns the synthesizer driver currently in use. Writing + synth switches to the given synthesizer driver, provided it is + either built into the kernel, or already loaded as a module. + +What: /sys/accessibility/speakup/synth_direct +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Sends whatever is written to synth_direct + directly to the speech synthesizer in use, bypassing speakup. + This could be used to make the synthesizer speak + a string, or to + send control sequences to the synthesizer to change how the + synthesizer behaves. + +What: /sys/accessibility/speakup/version +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Reading version returns the version of speakup, and the version + of the synthesizer driver currently in use. + +What: /sys/accessibility/speakup/i18n/announcements +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: This file contains various general announcements, most of which + cannot be categorized. You will find messages such as "You + killed Speakup", "I'm alive", "leaving help", "parked", + "unparked", and others. You will also find the names of the + screen edges and cursor tracking modes here. + +What: /sys/accessibility/speakup/i18n/chartab +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: TODO + +What: /sys/accessibility/speakup/i18n/ctl_keys +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Here, you will find names of control keys. These are used with + Speakup's say_control feature. + +What: /sys/accessibility/speakup/i18n/function_names +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Here, you will find a list of names for Speakup functions. + These are used by the help system. For example, suppose that + you have activated help mode, and you pressed + keypad 3. Speakup + says: "keypad 3 is character, say next." + The message "character, say next" names a Speakup function, and + it comes from this function_names file. + +What: /sys/accessibility/speakup/i18n/states +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: This file contains names for key states. + Again, these are part of the help system. For instance, if you + had pressed speakup + keypad 3, you would hear: + "speakup keypad 3 is go to bottom edge." + The speakup key is depressed, so the name of the key state is + speakup. + This part of the message comes from the states collection. + +What: /sys/accessibility/speakup/i18n/characters +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Through this sys entry, Speakup gives you the ability to change + how Speakup pronounces a given character. You could, for + example, change how some punctuation characters are spoken. You + can even change how Speakup will pronounce certain letters. For + further details see '12. Changing the Pronunciation of + Characters' in Speakup User's Guide (file spkguide.txt in + source). + +What: /sys/accessibility/speakup/i18n/colors +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: When you use the "say attributes" function, Speakup says the + name of the foreground and background colors. These names come + from the i18n/colors file. + +What: /sys/accessibility/speakup/i18n/formatted +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: This group of messages contains embedded formatting codes, to + specify the type and width of displayed data. If you change + these, you must preserve all of the formatting codes, and they + must appear in the order used by the default messages. + +What: /sys/accessibility/speakup/i18n/key_names +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Again, key_names is used by Speakup's help system. In the + previous example, Speakup said that you pressed "keypad 3." + This name came from the key_names file. + +What: /sys/accessibility/speakup/<synth-name>/ +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: In `/sys/accessibility/speakup` is a directory corresponding to + the synthesizer driver currently in use (E.G) `soft` for the + soft driver. This directory contains files which control the + speech synthesizer itself, + as opposed to controlling the speakup + screen reader. The parameters in this directory have the same + names and functions across all + supported synthesizers. The range + of values for freq, pitch, rate, and vol is the same for all + supported synthesizers, with the given range being internally + mapped by the driver to more or less fit the range of values + supported for a given parameter by the individual synthesizer. + Below is a description of values and parameters for soft + synthesizer, which is currently the most commonly used. + +What: /sys/accessibility/speakup/soft/caps_start +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: This is the string that is sent to the synthesizer to cause it + to start speaking uppercase letters. For the soft synthesizer + and most others, this causes the pitch of the voice to rise + above the currently set pitch. + +What: /sys/accessibility/speakup/soft/caps_stop +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: This is the string sent to the synthesizer to cause it to stop + speaking uppercase letters. In the case of the soft synthesizer + and most others, this returns the pitch of the voice + down to the + currently set pitch. + +What: /sys/accessibility/speakup/soft/delay_time +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: TODO: + +What: /sys/accessibility/speakup/soft/direct +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Controls if punctuation is spoken by speakup, or by the + synthesizer. + For example, speakup speaks ">" as "greater", while + the espeak synthesizer used by the soft driver speaks "greater + than". Zero lets speakup speak the punctuation. One lets the + synthesizer itself speak punctuation. + +What: /sys/accessibility/speakup/soft/freq +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Gets or sets the frequency of the speech synthesizer. Range is + 0-9. + +What: /sys/accessibility/speakup/soft/full_time +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: TODO: + +What: /sys/accessibility/speakup/soft/jiffy_delta +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: This controls how many jiffys the kernel gives to the + synthesizer. Setting this too high can make a system unstable, + or even crash it. + +What: /sys/accessibility/speakup/soft/pitch +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Gets or sets the pitch of the synthesizer. The range is 0-9. + +What: /sys/accessibility/speakup/soft/punct +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Gets or sets the amount of punctuation spoken by the + synthesizer. The range for the soft driver seems to be 0-2. + TODO: How is this related to speakup's punc_level, or + reading_punc. + +What: /sys/accessibility/speakup/soft/rate +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Gets or sets the rate of the synthesizer. Range is from zero + slowest, to nine fastest. + +What: /sys/accessibility/speakup/soft/tone +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Gets or sets the tone of the speech synthesizer. The range for + the soft driver seems to be 0-2. This seems to make no + difference if using espeak and the espeakup connector. + TODO: does espeakup support different tonalities? + +What: /sys/accessibility/speakup/soft/trigger_time +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: TODO: + +What: /sys/accessibility/speakup/soft/voice +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Gets or sets the voice used by the synthesizer if the + synthesizer can speak in more than one voice. The range for the + soft driver is 0-7. Note that while espeak supports multiple + voices, this parameter will not set the voice when the espeakup + connector is used between speakup and espeak. + +What: /sys/accessibility/speakup/soft/vol +KernelVersion: 2.6 +Contact: speakup@linux-speakup.org +Description: Gets or sets the volume of the speech synthesizer. Range is 0-9, + with zero being the softest, and nine being the loudest. + diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c index bc1eaa3a0773..826016c3431a 100644 --- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c +++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c @@ -12,7 +12,7 @@ static const struct snd_pcm_hardware snd_bcm2835_playback_hw = { .info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_DRAIN_TRIGGER | SNDRV_PCM_INFO_SYNC_APPLPTR), + SNDRV_PCM_INFO_SYNC_APPLPTR), .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, .rate_min = 8000, @@ -29,7 +29,7 @@ static const struct snd_pcm_hardware snd_bcm2835_playback_hw = { static const struct snd_pcm_hardware snd_bcm2835_playback_spdif_hw = { .info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_DRAIN_TRIGGER | SNDRV_PCM_INFO_SYNC_APPLPTR), + SNDRV_PCM_INFO_SYNC_APPLPTR), .formats = SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c index 23fba01107b9..c6f9cf1913d2 100644 --- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c +++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c @@ -289,6 +289,7 @@ int bcm2835_audio_stop(struct bcm2835_alsa_stream *alsa_stream) VC_AUDIO_MSG_TYPE_STOP, false); } +/* FIXME: this doesn't seem working as expected for "draining" */ int bcm2835_audio_drain(struct bcm2835_alsa_stream *alsa_stream) { struct vc_audio_msg m = { diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index c6bb4aaf9bd0..082302944c37 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -1748,8 +1748,10 @@ vt6655_probe(struct pci_dev *pcid, const struct pci_device_id *ent) priv->hw->max_signal = 100; - if (vnt_init(priv)) + if (vnt_init(priv)) { + device_free_info(priv); return -ENODEV; + } device_print_info(priv); pci_set_drvdata(pcid, priv); diff --git a/drivers/staging/wlan-ng/cfg80211.c b/drivers/staging/wlan-ng/cfg80211.c index eee1998c4b18..fac38c842ac5 100644 --- a/drivers/staging/wlan-ng/cfg80211.c +++ b/drivers/staging/wlan-ng/cfg80211.c @@ -469,10 +469,8 @@ static int prism2_connect(struct wiphy *wiphy, struct net_device *dev, /* Set the encryption - we only support wep */ if (is_wep) { if (sme->key) { - if (sme->key_idx >= NUM_WEPKEYS) { - err = -EINVAL; - goto exit; - } + if (sme->key_idx >= NUM_WEPKEYS) + return -EINVAL; result = prism2_domibset_uint32(wlandev, DIDMIB_DOT11SMT_PRIVACYTABLE_WEPDEFAULTKEYID, diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index 391f39776c6a..6b9865c786ba 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -88,7 +88,7 @@ struct cpufreq_cooling_device { struct cpufreq_policy *policy; struct list_head node; struct time_in_idle *idle_time; - struct dev_pm_qos_request qos_req; + struct freq_qos_request qos_req; }; static DEFINE_IDA(cpufreq_ida); @@ -331,7 +331,7 @@ static int cpufreq_set_cur_state(struct thermal_cooling_device *cdev, cpufreq_cdev->cpufreq_state = state; - return dev_pm_qos_update_request(&cpufreq_cdev->qos_req, + return freq_qos_update_request(&cpufreq_cdev->qos_req, cpufreq_cdev->freq_table[state].frequency); } @@ -615,9 +615,9 @@ __cpufreq_cooling_register(struct device_node *np, cooling_ops = &cpufreq_cooling_ops; } - ret = dev_pm_qos_add_request(dev, &cpufreq_cdev->qos_req, - DEV_PM_QOS_MAX_FREQUENCY, - cpufreq_cdev->freq_table[0].frequency); + ret = freq_qos_add_request(&policy->constraints, + &cpufreq_cdev->qos_req, FREQ_QOS_MAX, + cpufreq_cdev->freq_table[0].frequency); if (ret < 0) { pr_err("%s: Failed to add freq constraint (%d)\n", __func__, ret); @@ -637,7 +637,7 @@ __cpufreq_cooling_register(struct device_node *np, return cdev; remove_qos_req: - dev_pm_qos_remove_request(&cpufreq_cdev->qos_req); + freq_qos_remove_request(&cpufreq_cdev->qos_req); remove_ida: ida_simple_remove(&cpufreq_ida, cpufreq_cdev->id); free_table: @@ -736,7 +736,7 @@ void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev) mutex_unlock(&cooling_list_lock); thermal_cooling_device_unregister(cdev); - dev_pm_qos_remove_request(&cpufreq_cdev->qos_req); + freq_qos_remove_request(&cpufreq_cdev->qos_req); ida_simple_remove(&cpufreq_ida, cpufreq_cdev->id); kfree(cpufreq_cdev->idle_time); kfree(cpufreq_cdev->freq_table); diff --git a/drivers/thunderbolt/nhi_ops.c b/drivers/thunderbolt/nhi_ops.c index 61cd09cef943..6795851aac95 100644 --- a/drivers/thunderbolt/nhi_ops.c +++ b/drivers/thunderbolt/nhi_ops.c @@ -80,7 +80,6 @@ static void icl_nhi_lc_mailbox_cmd(struct tb_nhi *nhi, enum icl_lc_mailbox_cmd c { u32 data; - pci_read_config_dword(nhi->pdev, VS_CAP_19, &data); data = (cmd << VS_CAP_19_CMD_SHIFT) & VS_CAP_19_CMD_MASK; pci_write_config_dword(nhi->pdev, VS_CAP_19, data | VS_CAP_19_VALID); } diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index 410bf1bceeee..5ea8db667e83 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -896,12 +896,13 @@ int tb_dp_port_set_hops(struct tb_port *port, unsigned int video, */ bool tb_dp_port_is_enabled(struct tb_port *port) { - u32 data; + u32 data[2]; - if (tb_port_read(port, &data, TB_CFG_PORT, port->cap_adap, 1)) + if (tb_port_read(port, data, TB_CFG_PORT, port->cap_adap, + ARRAY_SIZE(data))) return false; - return !!(data & (TB_DP_VIDEO_EN | TB_DP_AUX_EN)); + return !!(data[0] & (TB_DP_VIDEO_EN | TB_DP_AUX_EN)); } /** @@ -914,19 +915,21 @@ bool tb_dp_port_is_enabled(struct tb_port *port) */ int tb_dp_port_enable(struct tb_port *port, bool enable) { - u32 data; + u32 data[2]; int ret; - ret = tb_port_read(port, &data, TB_CFG_PORT, port->cap_adap, 1); + ret = tb_port_read(port, data, TB_CFG_PORT, port->cap_adap, + ARRAY_SIZE(data)); if (ret) return ret; if (enable) - data |= TB_DP_VIDEO_EN | TB_DP_AUX_EN; + data[0] |= TB_DP_VIDEO_EN | TB_DP_AUX_EN; else - data &= ~(TB_DP_VIDEO_EN | TB_DP_AUX_EN); + data[0] &= ~(TB_DP_VIDEO_EN | TB_DP_AUX_EN); - return tb_port_write(port, &data, TB_CFG_PORT, port->cap_adap, 1); + return tb_port_write(port, data, TB_CFG_PORT, port->cap_adap, + ARRAY_SIZE(data)); } /* switch utility functions */ @@ -1031,13 +1034,6 @@ static int tb_switch_set_authorized(struct tb_switch *sw, unsigned int val) if (sw->authorized) goto unlock; - /* - * Make sure there is no PCIe rescan ongoing when a new PCIe - * tunnel is created. Otherwise the PCIe rescan code might find - * the new tunnel too early. - */ - pci_lock_rescan_remove(); - switch (val) { /* Approve switch */ case 1: @@ -1057,8 +1053,6 @@ static int tb_switch_set_authorized(struct tb_switch *sw, unsigned int val) break; } - pci_unlock_rescan_remove(); - if (!ret) { sw->authorized = val; /* Notify status change to the userspace */ diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c index e55c79eb6430..98361acd3053 100644 --- a/drivers/tty/n_hdlc.c +++ b/drivers/tty/n_hdlc.c @@ -968,6 +968,11 @@ static int __init n_hdlc_init(void) } /* end of init_module() */ +#ifdef CONFIG_SPARC +#undef __exitdata +#define __exitdata +#endif + static const char hdlc_unregister_ok[] __exitdata = KERN_INFO "N_HDLC: line discipline unregistered\n"; static const char hdlc_unregister_fail[] __exitdata = diff --git a/drivers/tty/serial/8250/8250_men_mcb.c b/drivers/tty/serial/8250/8250_men_mcb.c index 02c5aff58a74..8df89e9cd254 100644 --- a/drivers/tty/serial/8250/8250_men_mcb.c +++ b/drivers/tty/serial/8250/8250_men_mcb.c @@ -72,8 +72,8 @@ static int serial_8250_men_mcb_probe(struct mcb_device *mdev, { struct serial_8250_men_mcb_data *data; struct resource *mem; - unsigned int num_ports; - unsigned int i; + int num_ports; + int i; void __iomem *membase; mem = mcb_get_resource(mdev, IORESOURCE_MEM); @@ -88,7 +88,7 @@ static int serial_8250_men_mcb_probe(struct mcb_device *mdev, dev_dbg(&mdev->dev, "found a 16z%03u with %u ports\n", mdev->id, num_ports); - if (num_ports == 0 || num_ports > 4) { + if (num_ports <= 0 || num_ports > 4) { dev_err(&mdev->dev, "unexpected number of ports: %u\n", num_ports); return -ENODEV; @@ -133,7 +133,7 @@ static int serial_8250_men_mcb_probe(struct mcb_device *mdev, static void serial_8250_men_mcb_remove(struct mcb_device *mdev) { - unsigned int num_ports, i; + int num_ports, i; struct serial_8250_men_mcb_data *data = mcb_get_drvdata(mdev); if (!data) diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index c68e2b3a1634..836e736ae188 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -141,7 +141,7 @@ static void omap8250_set_mctrl(struct uart_port *port, unsigned int mctrl) serial8250_do_set_mctrl(port, mctrl); - if (!up->gpios) { + if (!mctrl_gpio_to_gpiod(up->gpios, UART_GPIO_RTS)) { /* * Turn off autoRTS if RTS is lowered and restore autoRTS * setting if RTS is raised @@ -456,7 +456,8 @@ static void omap_8250_set_termios(struct uart_port *port, up->port.status &= ~(UPSTAT_AUTOCTS | UPSTAT_AUTORTS | UPSTAT_AUTOXOFF); if (termios->c_cflag & CRTSCTS && up->port.flags & UPF_HARD_FLOW && - !up->gpios) { + !mctrl_gpio_to_gpiod(up->gpios, UART_GPIO_RTS) && + !mctrl_gpio_to_gpiod(up->gpios, UART_GPIO_CTS)) { /* Enable AUTOCTS (autoRTS is enabled when RTS is raised) */ up->port.status |= UPSTAT_AUTOCTS | UPSTAT_AUTORTS; priv->efr |= UART_EFR_CTS; diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index 4789b5d62f63..67a9eb3f94ce 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -1032,6 +1032,7 @@ config SERIAL_SIFIVE_CONSOLE bool "Console on SiFive UART" depends on SERIAL_SIFIVE=y select SERIAL_CORE_CONSOLE + select SERIAL_EARLYCON help Select this option if you would like to use a SiFive UART as the system console. diff --git a/drivers/tty/serial/fsl_linflexuart.c b/drivers/tty/serial/fsl_linflexuart.c index 68d74f2b5106..a32f0d2afd59 100644 --- a/drivers/tty/serial/fsl_linflexuart.c +++ b/drivers/tty/serial/fsl_linflexuart.c @@ -3,7 +3,7 @@ * Freescale linflexuart serial port driver * * Copyright 2012-2016 Freescale Semiconductor, Inc. - * Copyright 2017-2018 NXP + * Copyright 2017-2019 NXP */ #if defined(CONFIG_SERIAL_FSL_LINFLEXUART_CONSOLE) && \ @@ -246,12 +246,14 @@ static irqreturn_t linflex_rxint(int irq, void *dev_id) struct tty_port *port = &sport->state->port; unsigned long flags, status; unsigned char rx; + bool brk; spin_lock_irqsave(&sport->lock, flags); status = readl(sport->membase + UARTSR); while (status & LINFLEXD_UARTSR_RMB) { rx = readb(sport->membase + BDRM); + brk = false; flg = TTY_NORMAL; sport->icount.rx++; @@ -261,8 +263,11 @@ static irqreturn_t linflex_rxint(int irq, void *dev_id) status |= LINFLEXD_UARTSR_SZF; if (status & LINFLEXD_UARTSR_BOF) status |= LINFLEXD_UARTSR_BOF; - if (status & LINFLEXD_UARTSR_FEF) + if (status & LINFLEXD_UARTSR_FEF) { + if (!rx) + brk = true; status |= LINFLEXD_UARTSR_FEF; + } if (status & LINFLEXD_UARTSR_PE) status |= LINFLEXD_UARTSR_PE; } @@ -271,13 +276,15 @@ static irqreturn_t linflex_rxint(int irq, void *dev_id) sport->membase + UARTSR); status = readl(sport->membase + UARTSR); - if (uart_handle_sysrq_char(sport, (unsigned char)rx)) - continue; - + if (brk) { + uart_handle_break(sport); + } else { #ifdef SUPPORT_SYSRQ - sport->sysrq = 0; + if (uart_handle_sysrq_char(sport, (unsigned char)rx)) + continue; #endif - tty_insert_flip_char(port, rx, flg); + tty_insert_flip_char(port, rx, flg); + } } spin_unlock_irqrestore(&sport->lock, flags); diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 3e17bb8a0b16..537896c4d887 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -548,7 +548,7 @@ static void lpuart_flush_buffer(struct uart_port *port) val |= UARTFIFO_TXFLUSH | UARTFIFO_RXFLUSH; lpuart32_write(&sport->port, val, UARTFIFO); } else { - val = readb(sport->port.membase + UARTPFIFO); + val = readb(sport->port.membase + UARTCFIFO); val |= UARTCFIFO_TXFLUSH | UARTCFIFO_RXFLUSH; writeb(val, sport->port.membase + UARTCFIFO); } diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 87c58f9f6390..5e08f2657b90 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -2222,8 +2222,8 @@ static int imx_uart_probe(struct platform_device *pdev) return PTR_ERR(base); rxirq = platform_get_irq(pdev, 0); - txirq = platform_get_irq(pdev, 1); - rtsirq = platform_get_irq(pdev, 2); + txirq = platform_get_irq_optional(pdev, 1); + rtsirq = platform_get_irq_optional(pdev, 2); sport->port.dev = &pdev->dev; sport->port.mapbase = res->start; diff --git a/drivers/tty/serial/owl-uart.c b/drivers/tty/serial/owl-uart.c index 03963af77b15..d2d8b3494685 100644 --- a/drivers/tty/serial/owl-uart.c +++ b/drivers/tty/serial/owl-uart.c @@ -740,7 +740,7 @@ static int __init owl_uart_init(void) return ret; } -static void __init owl_uart_exit(void) +static void __exit owl_uart_exit(void) { platform_driver_unregister(&owl_uart_platform_driver); uart_unregister_driver(&owl_uart_driver); diff --git a/drivers/tty/serial/rda-uart.c b/drivers/tty/serial/rda-uart.c index c1b0d7662ef9..ff9a27d48bca 100644 --- a/drivers/tty/serial/rda-uart.c +++ b/drivers/tty/serial/rda-uart.c @@ -815,7 +815,7 @@ static int __init rda_uart_init(void) return ret; } -static void __init rda_uart_exit(void) +static void __exit rda_uart_exit(void) { platform_driver_unregister(&rda_uart_platform_driver); uart_unregister_driver(&rda_uart_driver); diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 6e713be1d4e9..c4a414a46c7f 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -1964,8 +1964,10 @@ uart_get_console(struct uart_port *ports, int nr, struct console *co) * console=<name>,io|mmio|mmio16|mmio32|mmio32be|mmio32native,<addr>,<options> * * The optional form + * * earlycon=<name>,0x<addr>,<options> * console=<name>,0x<addr>,<options> + * * is also accepted; the returned @iotype will be UPIO_MEM. * * Returns 0 on success or -EINVAL on failure diff --git a/drivers/tty/serial/serial_mctrl_gpio.c b/drivers/tty/serial/serial_mctrl_gpio.c index d9074303c88e..fb4781292d40 100644 --- a/drivers/tty/serial/serial_mctrl_gpio.c +++ b/drivers/tty/serial/serial_mctrl_gpio.c @@ -66,6 +66,9 @@ EXPORT_SYMBOL_GPL(mctrl_gpio_set); struct gpio_desc *mctrl_gpio_to_gpiod(struct mctrl_gpios *gpios, enum mctrl_gpio_idx gidx) { + if (gpios == NULL) + return NULL; + return gpios->gpio[gidx]; } EXPORT_SYMBOL_GPL(mctrl_gpio_to_gpiod); diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 4e754a4850e6..22e5d4e13714 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -2894,8 +2894,12 @@ static int sci_init_single(struct platform_device *dev, port->mapbase = res->start; sci_port->reg_size = resource_size(res); - for (i = 0; i < ARRAY_SIZE(sci_port->irqs); ++i) - sci_port->irqs[i] = platform_get_irq(dev, i); + for (i = 0; i < ARRAY_SIZE(sci_port->irqs); ++i) { + if (i) + sci_port->irqs[i] = platform_get_irq_optional(dev, i); + else + sci_port->irqs[i] = platform_get_irq(dev, i); + } /* The SCI generates several interrupts. They can be muxed together or * connected to different interrupt lines. In the muxed case only one diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c index b8b912b5a8b9..06e79c11141d 100644 --- a/drivers/tty/serial/uartlite.c +++ b/drivers/tty/serial/uartlite.c @@ -897,7 +897,8 @@ static int __init ulite_init(void) static void __exit ulite_exit(void) { platform_driver_unregister(&ulite_platform_driver); - uart_unregister_driver(&ulite_uart_driver); + if (ulite_uart_driver.state) + uart_unregister_driver(&ulite_uart_driver); } module_init(ulite_init); diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index da4563aaaf5c..4e55bc327a54 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -1550,7 +1550,6 @@ static int cdns_uart_probe(struct platform_device *pdev) goto err_out_id; } - uartps_major = cdns_uart_uart_driver->tty_driver->major; cdns_uart_data->cdns_uart_driver = cdns_uart_uart_driver; /* @@ -1680,6 +1679,7 @@ static int cdns_uart_probe(struct platform_device *pdev) console_port = NULL; #endif + uartps_major = cdns_uart_uart_driver->tty_driver->major; cdns_uart_data->cts_override = of_property_read_bool(pdev->dev.of_node, "cts-override"); return 0; @@ -1741,6 +1741,12 @@ static int cdns_uart_remove(struct platform_device *pdev) console_port = NULL; #endif + /* If this is last instance major number should be initialized */ + mutex_lock(&bitmap_lock); + if (bitmap_empty(bitmap, MAX_UART_INSTANCES)) + uartps_major = 0; + mutex_unlock(&bitmap_lock); + uart_unregister_driver(cdns_uart_data->cdns_uart_driver); return rc; } diff --git a/drivers/usb/cdns3/cdns3-pci-wrap.c b/drivers/usb/cdns3/cdns3-pci-wrap.c index c41ddb61b857..b0a29efe7d31 100644 --- a/drivers/usb/cdns3/cdns3-pci-wrap.c +++ b/drivers/usb/cdns3/cdns3-pci-wrap.c @@ -159,8 +159,9 @@ static int cdns3_pci_probe(struct pci_dev *pdev, wrap->plat_dev = platform_device_register_full(&plat_info); if (IS_ERR(wrap->plat_dev)) { pci_disable_device(pdev); + err = PTR_ERR(wrap->plat_dev); kfree(wrap); - return PTR_ERR(wrap->plat_dev); + return err; } } diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c index 06f1e105be4e..c2123ef8d8a3 100644 --- a/drivers/usb/cdns3/core.c +++ b/drivers/usb/cdns3/core.c @@ -160,10 +160,30 @@ static int cdns3_core_init_role(struct cdns3 *cdns) if (ret) goto err; - if (cdns->dr_mode != USB_DR_MODE_OTG) { + /* Initialize idle role to start with */ + ret = cdns3_role_start(cdns, USB_ROLE_NONE); + if (ret) + goto err; + + switch (cdns->dr_mode) { + case USB_DR_MODE_OTG: ret = cdns3_hw_role_switch(cdns); if (ret) goto err; + break; + case USB_DR_MODE_PERIPHERAL: + ret = cdns3_role_start(cdns, USB_ROLE_DEVICE); + if (ret) + goto err; + break; + case USB_DR_MODE_HOST: + ret = cdns3_role_start(cdns, USB_ROLE_HOST); + if (ret) + goto err; + break; + default: + ret = -EINVAL; + goto err; } return ret; diff --git a/drivers/usb/cdns3/ep0.c b/drivers/usb/cdns3/ep0.c index 44f652e8b5a2..e71240b386b4 100644 --- a/drivers/usb/cdns3/ep0.c +++ b/drivers/usb/cdns3/ep0.c @@ -234,9 +234,11 @@ static int cdns3_req_ep0_set_address(struct cdns3_device *priv_dev, static int cdns3_req_ep0_get_status(struct cdns3_device *priv_dev, struct usb_ctrlrequest *ctrl) { + struct cdns3_endpoint *priv_ep; __le16 *response_pkt; u16 usb_status = 0; u32 recip; + u8 index; recip = ctrl->bRequestType & USB_RECIP_MASK; @@ -262,9 +264,13 @@ static int cdns3_req_ep0_get_status(struct cdns3_device *priv_dev, case USB_RECIP_INTERFACE: return cdns3_ep0_delegate_req(priv_dev, ctrl); case USB_RECIP_ENDPOINT: - /* check if endpoint is stalled */ + index = cdns3_ep_addr_to_index(ctrl->wIndex); + priv_ep = priv_dev->eps[index]; + + /* check if endpoint is stalled or stall is pending */ cdns3_select_ep(priv_dev, ctrl->wIndex); - if (EP_STS_STALL(readl(&priv_dev->regs->ep_sts))) + if (EP_STS_STALL(readl(&priv_dev->regs->ep_sts)) || + (priv_ep->flags & EP_STALL_PENDING)) usb_status = BIT(USB_ENDPOINT_HALT); break; default: @@ -332,7 +338,7 @@ static int cdns3_ep0_feature_handle_device(struct cdns3_device *priv_dev, * for sending status stage. * This time should be less then 3ms. */ - usleep_range(1000, 2000); + mdelay(1); cdns3_set_register_bit(&priv_dev->regs->usb_cmd, USB_CMD_STMODE | USB_STS_TMODE_SEL(tmode - 1)); diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c index 228cdc4ab886..4c1e75509303 100644 --- a/drivers/usb/cdns3/gadget.c +++ b/drivers/usb/cdns3/gadget.c @@ -1145,6 +1145,14 @@ static void cdns3_transfer_completed(struct cdns3_device *priv_dev, request = cdns3_next_request(&priv_ep->pending_req_list); priv_req = to_cdns3_request(request); + trb = priv_ep->trb_pool + priv_ep->dequeue; + + /* Request was dequeued and TRB was changed to TRB_LINK. */ + if (TRB_FIELD_TO_TYPE(trb->control) == TRB_LINK) { + trace_cdns3_complete_trb(priv_ep, trb); + cdns3_move_deq_to_next_trb(priv_req); + } + /* Re-select endpoint. It could be changed by other CPU during * handling usb_gadget_giveback_request. */ @@ -2067,6 +2075,7 @@ int cdns3_gadget_ep_dequeue(struct usb_ep *ep, struct usb_request *req, *req_temp; struct cdns3_request *priv_req; struct cdns3_trb *link_trb; + u8 req_on_hw_ring = 0; unsigned long flags; int ret = 0; @@ -2083,8 +2092,10 @@ int cdns3_gadget_ep_dequeue(struct usb_ep *ep, list_for_each_entry_safe(req, req_temp, &priv_ep->pending_req_list, list) { - if (request == req) + if (request == req) { + req_on_hw_ring = 1; goto found; + } } list_for_each_entry_safe(req, req_temp, &priv_ep->deferred_req_list, @@ -2096,27 +2107,21 @@ int cdns3_gadget_ep_dequeue(struct usb_ep *ep, goto not_found; found: - - if (priv_ep->wa1_trb == priv_req->trb) - cdns3_wa1_restore_cycle_bit(priv_ep); - link_trb = priv_req->trb; - cdns3_move_deq_to_next_trb(priv_req); - cdns3_gadget_giveback(priv_ep, priv_req, -ECONNRESET); - - /* Update ring */ - request = cdns3_next_request(&priv_ep->deferred_req_list); - if (request) { - priv_req = to_cdns3_request(request); + /* Update ring only if removed request is on pending_req_list list */ + if (req_on_hw_ring) { link_trb->buffer = TRB_BUFFER(priv_ep->trb_pool_dma + (priv_req->start_trb * TRB_SIZE)); link_trb->control = (link_trb->control & TRB_CYCLE) | - TRB_TYPE(TRB_LINK) | TRB_CHAIN | TRB_TOGGLE; - } else { - priv_ep->flags |= EP_UPDATE_EP_TRBADDR; + TRB_TYPE(TRB_LINK) | TRB_CHAIN; + + if (priv_ep->wa1_trb == priv_req->trb) + cdns3_wa1_restore_cycle_bit(priv_ep); } + cdns3_gadget_giveback(priv_ep, priv_req, -ECONNRESET); + not_found: spin_unlock_irqrestore(&priv_dev->lock, flags); return ret; @@ -2324,8 +2329,6 @@ static void cdns3_gadget_config(struct cdns3_device *priv_dev) writel(USB_CONF_CLK2OFFDS | USB_CONF_L1DS, ®s->usb_conf); cdns3_configure_dmult(priv_dev, NULL); - - cdns3_gadget_pullup(&priv_dev->gadget, 1); } /** @@ -2340,9 +2343,35 @@ static int cdns3_gadget_udc_start(struct usb_gadget *gadget, { struct cdns3_device *priv_dev = gadget_to_cdns3_device(gadget); unsigned long flags; + enum usb_device_speed max_speed = driver->max_speed; spin_lock_irqsave(&priv_dev->lock, flags); priv_dev->gadget_driver = driver; + + /* limit speed if necessary */ + max_speed = min(driver->max_speed, gadget->max_speed); + + switch (max_speed) { + case USB_SPEED_FULL: + writel(USB_CONF_SFORCE_FS, &priv_dev->regs->usb_conf); + writel(USB_CONF_USB3DIS, &priv_dev->regs->usb_conf); + break; + case USB_SPEED_HIGH: + writel(USB_CONF_USB3DIS, &priv_dev->regs->usb_conf); + break; + case USB_SPEED_SUPER: + break; + default: + dev_err(priv_dev->dev, + "invalid maximum_speed parameter %d\n", + max_speed); + /* fall through */ + case USB_SPEED_UNKNOWN: + /* default to superspeed */ + max_speed = USB_SPEED_SUPER; + break; + } + cdns3_gadget_config(priv_dev); spin_unlock_irqrestore(&priv_dev->lock, flags); return 0; @@ -2376,6 +2405,8 @@ static int cdns3_gadget_udc_stop(struct usb_gadget *gadget) writel(EP_CMD_EPRST, &priv_dev->regs->ep_cmd); readl_poll_timeout_atomic(&priv_dev->regs->ep_cmd, val, !(val & EP_CMD_EPRST), 1, 100); + + priv_ep->flags &= ~EP_CLAIMED; } /* disable interrupt for device */ @@ -2570,11 +2601,7 @@ static int cdns3_gadget_start(struct cdns3 *cdns) /* Check the maximum_speed parameter */ switch (max_speed) { case USB_SPEED_FULL: - writel(USB_CONF_SFORCE_FS, &priv_dev->regs->usb_conf); - break; case USB_SPEED_HIGH: - writel(USB_CONF_USB3DIS, &priv_dev->regs->usb_conf); - break; case USB_SPEED_SUPER: break; default: @@ -2662,6 +2689,13 @@ static int __cdns3_gadget_init(struct cdns3 *cdns) { int ret = 0; + /* Ensure 32-bit DMA Mask in case we switched back from Host mode */ + ret = dma_set_mask_and_coherent(cdns->dev, DMA_BIT_MASK(32)); + if (ret) { + dev_err(cdns->dev, "Failed to set dma mask: %d\n", ret); + return ret; + } + cdns3_drd_switch_gadget(cdns, 1); pm_runtime_get_sync(cdns->dev); @@ -2700,8 +2734,6 @@ static int cdns3_gadget_suspend(struct cdns3 *cdns, bool do_wakeup) /* disable interrupt for device */ writel(0, &priv_dev->regs->usb_ien); - cdns3_gadget_pullup(&priv_dev->gadget, 0); - return 0; } diff --git a/drivers/usb/cdns3/host-export.h b/drivers/usb/cdns3/host-export.h index b498a170b7e8..ae11810f8826 100644 --- a/drivers/usb/cdns3/host-export.h +++ b/drivers/usb/cdns3/host-export.h @@ -12,7 +12,6 @@ #ifdef CONFIG_USB_CDNS3_HOST int cdns3_host_init(struct cdns3 *cdns); -void cdns3_host_exit(struct cdns3 *cdns); #else diff --git a/drivers/usb/cdns3/host.c b/drivers/usb/cdns3/host.c index 2733a8f71fcd..ad788bf3fe4f 100644 --- a/drivers/usb/cdns3/host.c +++ b/drivers/usb/cdns3/host.c @@ -12,6 +12,7 @@ #include <linux/platform_device.h> #include "core.h" #include "drd.h" +#include "host-export.h" static int __cdns3_host_init(struct cdns3 *cdns) { diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 7fea4999d352..0d8e3f3804a3 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -445,6 +445,7 @@ static void usblp_cleanup(struct usblp *usblp) kfree(usblp->readbuf); kfree(usblp->device_id_string); kfree(usblp->statusbuf); + usb_put_intf(usblp->intf); kfree(usblp); } @@ -461,10 +462,12 @@ static int usblp_release(struct inode *inode, struct file *file) mutex_lock(&usblp_mutex); usblp->used = 0; - if (usblp->present) { + if (usblp->present) usblp_unlink_urbs(usblp); - usb_autopm_put_interface(usblp->intf); - } else /* finish cleanup from disconnect */ + + usb_autopm_put_interface(usblp->intf); + + if (!usblp->present) /* finish cleanup from disconnect */ usblp_cleanup(usblp); mutex_unlock(&usblp_mutex); return 0; @@ -1111,7 +1114,7 @@ static int usblp_probe(struct usb_interface *intf, init_waitqueue_head(&usblp->wwait); init_usb_anchor(&usblp->urbs); usblp->ifnum = intf->cur_altsetting->desc.bInterfaceNumber; - usblp->intf = intf; + usblp->intf = usb_get_intf(intf); /* Malloc device ID string buffer to the largest expected length, * since we can re-query it on an ioctl and a dynamic string @@ -1196,6 +1199,7 @@ abort: kfree(usblp->readbuf); kfree(usblp->statusbuf); kfree(usblp->device_id_string); + usb_put_intf(usblp->intf); kfree(usblp); abort_ret: return retval; diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 151a74a54386..1ac1095bfeac 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -348,6 +348,11 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, /* Validate the wMaxPacketSize field */ maxp = usb_endpoint_maxp(&endpoint->desc); + if (maxp == 0) { + dev_warn(ddev, "config %d interface %d altsetting %d endpoint 0x%X has wMaxPacketSize 0, skipping\n", + cfgno, inum, asnum, d->bEndpointAddress); + goto skip_to_next_endpoint_or_interface_descriptor; + } /* Find the highest legal maxpacket size for this endpoint */ i = 0; /* additional transactions per microframe */ diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig index 89abc6078703..556a876c7896 100644 --- a/drivers/usb/dwc3/Kconfig +++ b/drivers/usb/dwc3/Kconfig @@ -102,6 +102,7 @@ config USB_DWC3_MESON_G12A depends on ARCH_MESON || COMPILE_TEST default USB_DWC3 select USB_ROLE_SWITCH + select REGMAP_MMIO help Support USB2/3 functionality in Amlogic G12A platforms. Say 'Y' or 'M' if you have one such device. diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 999ce5e84d3c..97d6ae3c4df2 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -312,8 +312,7 @@ static void dwc3_frame_length_adjustment(struct dwc3 *dwc) reg = dwc3_readl(dwc->regs, DWC3_GFLADJ); dft = reg & DWC3_GFLADJ_30MHZ_MASK; - if (!dev_WARN_ONCE(dwc->dev, dft == dwc->fladj, - "request value same as default, ignoring\n")) { + if (dft != dwc->fladj) { reg &= ~DWC3_GFLADJ_30MHZ_MASK; reg |= DWC3_GFLADJ_30MHZ_SDBND_SEL | dwc->fladj; dwc3_writel(dwc->regs, DWC3_GFLADJ, reg); diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c index 726100d1ac0d..c946d64142ad 100644 --- a/drivers/usb/dwc3/drd.c +++ b/drivers/usb/dwc3/drd.c @@ -139,14 +139,14 @@ static int dwc3_otg_get_irq(struct dwc3 *dwc) struct platform_device *dwc3_pdev = to_platform_device(dwc->dev); int irq; - irq = platform_get_irq_byname(dwc3_pdev, "otg"); + irq = platform_get_irq_byname_optional(dwc3_pdev, "otg"); if (irq > 0) goto out; if (irq == -EPROBE_DEFER) goto out; - irq = platform_get_irq_byname(dwc3_pdev, "dwc_usb3"); + irq = platform_get_irq_byname_optional(dwc3_pdev, "dwc_usb3"); if (irq > 0) goto out; @@ -157,9 +157,6 @@ static int dwc3_otg_get_irq(struct dwc3 *dwc) if (irq > 0) goto out; - if (irq != -EPROBE_DEFER) - dev_err(dwc->dev, "missing OTG IRQ\n"); - if (!irq) irq = -EINVAL; diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 5e8e18222f92..023f0357efd7 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -258,7 +258,7 @@ static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id) ret = platform_device_add_properties(dwc->dwc3, p); if (ret < 0) - return ret; + goto err; ret = dwc3_pci_quirks(dwc); if (ret) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 8adb59f8e4f1..a9aba716bf80 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -707,6 +707,12 @@ static void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep) dwc3_gadget_giveback(dep, req, -ESHUTDOWN); } + + while (!list_empty(&dep->cancelled_list)) { + req = next_request(&dep->cancelled_list); + + dwc3_gadget_giveback(dep, req, -ESHUTDOWN); + } } /** @@ -3264,14 +3270,14 @@ static int dwc3_gadget_get_irq(struct dwc3 *dwc) struct platform_device *dwc3_pdev = to_platform_device(dwc->dev); int irq; - irq = platform_get_irq_byname(dwc3_pdev, "peripheral"); + irq = platform_get_irq_byname_optional(dwc3_pdev, "peripheral"); if (irq > 0) goto out; if (irq == -EPROBE_DEFER) goto out; - irq = platform_get_irq_byname(dwc3_pdev, "dwc_usb3"); + irq = platform_get_irq_byname_optional(dwc3_pdev, "dwc_usb3"); if (irq > 0) goto out; @@ -3282,9 +3288,6 @@ static int dwc3_gadget_get_irq(struct dwc3 *dwc) if (irq > 0) goto out; - if (irq != -EPROBE_DEFER) - dev_err(dwc->dev, "missing peripheral IRQ\n"); - if (!irq) irq = -EINVAL; diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c index 8deea8c91e03..5567ed2cddbe 100644 --- a/drivers/usb/dwc3/host.c +++ b/drivers/usb/dwc3/host.c @@ -16,14 +16,14 @@ static int dwc3_host_get_irq(struct dwc3 *dwc) struct platform_device *dwc3_pdev = to_platform_device(dwc->dev); int irq; - irq = platform_get_irq_byname(dwc3_pdev, "host"); + irq = platform_get_irq_byname_optional(dwc3_pdev, "host"); if (irq > 0) goto out; if (irq == -EPROBE_DEFER) goto out; - irq = platform_get_irq_byname(dwc3_pdev, "dwc_usb3"); + irq = platform_get_irq_byname_optional(dwc3_pdev, "dwc_usb3"); if (irq > 0) goto out; @@ -34,9 +34,6 @@ static int dwc3_host_get_irq(struct dwc3 *dwc) if (irq > 0) goto out; - if (irq != -EPROBE_DEFER) - dev_err(dwc->dev, "missing host IRQ\n"); - if (!irq) irq = -EINVAL; diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index d516e8d6cd7f..5ec54b69c29c 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -2170,14 +2170,18 @@ void composite_dev_cleanup(struct usb_composite_dev *cdev) usb_ep_dequeue(cdev->gadget->ep0, cdev->os_desc_req); kfree(cdev->os_desc_req->buf); + cdev->os_desc_req->buf = NULL; usb_ep_free_request(cdev->gadget->ep0, cdev->os_desc_req); + cdev->os_desc_req = NULL; } if (cdev->req) { if (cdev->setup_pending) usb_ep_dequeue(cdev->gadget->ep0, cdev->req); kfree(cdev->req->buf); + cdev->req->buf = NULL; usb_ep_free_request(cdev->gadget->ep0, cdev->req); + cdev->req = NULL; } cdev->next_string_id = 0; device_remove_file(&cdev->gadget->dev, &dev_attr_suspended); diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index 025129942894..33852c2b29d1 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -61,6 +61,8 @@ struct gadget_info { bool use_os_desc; char b_vendor_code; char qw_sign[OS_STRING_QW_SIGN_LEN]; + spinlock_t spinlock; + bool unbind; }; static inline struct gadget_info *to_gadget_info(struct config_item *item) @@ -1244,6 +1246,7 @@ static int configfs_composite_bind(struct usb_gadget *gadget, int ret; /* the gi->lock is hold by the caller */ + gi->unbind = 0; cdev->gadget = gadget; set_gadget_data(gadget, cdev); ret = composite_dev_prepare(composite, cdev); @@ -1376,31 +1379,128 @@ static void configfs_composite_unbind(struct usb_gadget *gadget) { struct usb_composite_dev *cdev; struct gadget_info *gi; + unsigned long flags; /* the gi->lock is hold by the caller */ cdev = get_gadget_data(gadget); gi = container_of(cdev, struct gadget_info, cdev); + spin_lock_irqsave(&gi->spinlock, flags); + gi->unbind = 1; + spin_unlock_irqrestore(&gi->spinlock, flags); kfree(otg_desc[0]); otg_desc[0] = NULL; purge_configs_funcs(gi); composite_dev_cleanup(cdev); usb_ep_autoconfig_reset(cdev->gadget); + spin_lock_irqsave(&gi->spinlock, flags); cdev->gadget = NULL; set_gadget_data(gadget, NULL); + spin_unlock_irqrestore(&gi->spinlock, flags); +} + +static int configfs_composite_setup(struct usb_gadget *gadget, + const struct usb_ctrlrequest *ctrl) +{ + struct usb_composite_dev *cdev; + struct gadget_info *gi; + unsigned long flags; + int ret; + + cdev = get_gadget_data(gadget); + if (!cdev) + return 0; + + gi = container_of(cdev, struct gadget_info, cdev); + spin_lock_irqsave(&gi->spinlock, flags); + cdev = get_gadget_data(gadget); + if (!cdev || gi->unbind) { + spin_unlock_irqrestore(&gi->spinlock, flags); + return 0; + } + + ret = composite_setup(gadget, ctrl); + spin_unlock_irqrestore(&gi->spinlock, flags); + return ret; +} + +static void configfs_composite_disconnect(struct usb_gadget *gadget) +{ + struct usb_composite_dev *cdev; + struct gadget_info *gi; + unsigned long flags; + + cdev = get_gadget_data(gadget); + if (!cdev) + return; + + gi = container_of(cdev, struct gadget_info, cdev); + spin_lock_irqsave(&gi->spinlock, flags); + cdev = get_gadget_data(gadget); + if (!cdev || gi->unbind) { + spin_unlock_irqrestore(&gi->spinlock, flags); + return; + } + + composite_disconnect(gadget); + spin_unlock_irqrestore(&gi->spinlock, flags); +} + +static void configfs_composite_suspend(struct usb_gadget *gadget) +{ + struct usb_composite_dev *cdev; + struct gadget_info *gi; + unsigned long flags; + + cdev = get_gadget_data(gadget); + if (!cdev) + return; + + gi = container_of(cdev, struct gadget_info, cdev); + spin_lock_irqsave(&gi->spinlock, flags); + cdev = get_gadget_data(gadget); + if (!cdev || gi->unbind) { + spin_unlock_irqrestore(&gi->spinlock, flags); + return; + } + + composite_suspend(gadget); + spin_unlock_irqrestore(&gi->spinlock, flags); +} + +static void configfs_composite_resume(struct usb_gadget *gadget) +{ + struct usb_composite_dev *cdev; + struct gadget_info *gi; + unsigned long flags; + + cdev = get_gadget_data(gadget); + if (!cdev) + return; + + gi = container_of(cdev, struct gadget_info, cdev); + spin_lock_irqsave(&gi->spinlock, flags); + cdev = get_gadget_data(gadget); + if (!cdev || gi->unbind) { + spin_unlock_irqrestore(&gi->spinlock, flags); + return; + } + + composite_resume(gadget); + spin_unlock_irqrestore(&gi->spinlock, flags); } static const struct usb_gadget_driver configfs_driver_template = { .bind = configfs_composite_bind, .unbind = configfs_composite_unbind, - .setup = composite_setup, - .reset = composite_disconnect, - .disconnect = composite_disconnect, + .setup = configfs_composite_setup, + .reset = configfs_composite_disconnect, + .disconnect = configfs_composite_disconnect, - .suspend = composite_suspend, - .resume = composite_resume, + .suspend = configfs_composite_suspend, + .resume = configfs_composite_resume, .max_speed = USB_SPEED_SUPER, .driver = { diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig index d7e611645533..d354036ff6c8 100644 --- a/drivers/usb/gadget/udc/Kconfig +++ b/drivers/usb/gadget/udc/Kconfig @@ -45,7 +45,7 @@ config USB_AT91 config USB_LPC32XX tristate "LPC32XX USB Peripheral Controller" - depends on ARCH_LPC32XX + depends on ARCH_LPC32XX || COMPILE_TEST depends on I2C select USB_ISP1301 help diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index 86ffc8307864..1d0d8952a74b 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -449,9 +449,11 @@ static void submit_request(struct usba_ep *ep, struct usba_request *req) next_fifo_transaction(ep, req); if (req->last_transaction) { usba_ep_writel(ep, CTL_DIS, USBA_TX_PK_RDY); - usba_ep_writel(ep, CTL_ENB, USBA_TX_COMPLETE); + if (ep_is_control(ep)) + usba_ep_writel(ep, CTL_ENB, USBA_TX_COMPLETE); } else { - usba_ep_writel(ep, CTL_DIS, USBA_TX_COMPLETE); + if (ep_is_control(ep)) + usba_ep_writel(ep, CTL_DIS, USBA_TX_COMPLETE); usba_ep_writel(ep, CTL_ENB, USBA_TX_PK_RDY); } } diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index 92af8dc98c3d..51fa614b4079 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -98,6 +98,17 @@ int usb_ep_enable(struct usb_ep *ep) if (ep->enabled) goto out; + /* UDC drivers can't handle endpoints with maxpacket size 0 */ + if (usb_endpoint_maxp(ep->desc) == 0) { + /* + * We should log an error message here, but we can't call + * dev_err() because there's no way to find the gadget + * given only ep. + */ + ret = -EINVAL; + goto out; + } + ret = ep->ops->enable(ep, ep->desc); if (ret) goto out; diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c index 8414fac74493..3d499d93c083 100644 --- a/drivers/usb/gadget/udc/dummy_hcd.c +++ b/drivers/usb/gadget/udc/dummy_hcd.c @@ -48,6 +48,7 @@ #define DRIVER_VERSION "02 May 2005" #define POWER_BUDGET 500 /* in mA; use 8 for low-power port testing */ +#define POWER_BUDGET_3 900 /* in mA */ static const char driver_name[] = "dummy_hcd"; static const char driver_desc[] = "USB Host+Gadget Emulator"; @@ -2432,7 +2433,7 @@ static int dummy_start_ss(struct dummy_hcd *dum_hcd) dum_hcd->rh_state = DUMMY_RH_RUNNING; dum_hcd->stream_en_ep = 0; INIT_LIST_HEAD(&dum_hcd->urbp_list); - dummy_hcd_to_hcd(dum_hcd)->power_budget = POWER_BUDGET; + dummy_hcd_to_hcd(dum_hcd)->power_budget = POWER_BUDGET_3; dummy_hcd_to_hcd(dum_hcd)->state = HC_STATE_RUNNING; dummy_hcd_to_hcd(dum_hcd)->uses_new_polling = 1; #ifdef CONFIG_USB_OTG diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c index 20141c3096f6..9a05863b2876 100644 --- a/drivers/usb/gadget/udc/fsl_udc_core.c +++ b/drivers/usb/gadget/udc/fsl_udc_core.c @@ -2576,7 +2576,7 @@ static int fsl_udc_remove(struct platform_device *pdev) dma_pool_destroy(udc_controller->td_pool); free_irq(udc_controller->irq, udc_controller); iounmap(dr_regs); - if (pdata->operating_mode == FSL_USB2_DR_DEVICE) + if (res && (pdata->operating_mode == FSL_USB2_DR_DEVICE)) release_mem_region(res->start, resource_size(res)); /* free udc --wait for the release() finished */ diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c index b3e073fb88c6..bf6c81e2f8cc 100644 --- a/drivers/usb/gadget/udc/lpc32xx_udc.c +++ b/drivers/usb/gadget/udc/lpc32xx_udc.c @@ -1151,7 +1151,7 @@ static void udc_pop_fifo(struct lpc32xx_udc *udc, u8 *data, u32 bytes) u32 *p32, tmp, cbytes; /* Use optimal data transfer method based on source address and size */ - switch (((u32) data) & 0x3) { + switch (((uintptr_t) data) & 0x3) { case 0: /* 32-bit aligned */ p32 = (u32 *) data; cbytes = (bytes & ~0x3); @@ -1177,11 +1177,11 @@ static void udc_pop_fifo(struct lpc32xx_udc *udc, u8 *data, u32 bytes) tmp = readl(USBD_RXDATA(udc->udp_baseaddr)); bl = bytes - n; - if (bl > 3) - bl = 3; + if (bl > 4) + bl = 4; for (i = 0; i < bl; i++) - data[n + i] = (u8) ((tmp >> (n * 8)) & 0xFF); + data[n + i] = (u8) ((tmp >> (i * 8)) & 0xFF); } break; @@ -1252,7 +1252,7 @@ static void udc_stuff_fifo(struct lpc32xx_udc *udc, u8 *data, u32 bytes) u32 *p32, tmp, cbytes; /* Use optimal data transfer method based on source address and size */ - switch (((u32) data) & 0x3) { + switch (((uintptr_t) data) & 0x3) { case 0: /* 32-bit aligned */ p32 = (u32 *) data; cbytes = (bytes & ~0x3); diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index e098f16c01cb..33703140233a 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -1544,10 +1544,10 @@ static void usb3_set_device_address(struct renesas_usb3 *usb3, u16 addr) static bool usb3_std_req_set_address(struct renesas_usb3 *usb3, struct usb_ctrlrequest *ctrl) { - if (ctrl->wValue >= 128) + if (le16_to_cpu(ctrl->wValue) >= 128) return true; /* stall */ - usb3_set_device_address(usb3, ctrl->wValue); + usb3_set_device_address(usb3, le16_to_cpu(ctrl->wValue)); usb3_set_p0_con_for_no_data(usb3); return false; @@ -1582,6 +1582,7 @@ static bool usb3_std_req_get_status(struct renesas_usb3 *usb3, struct renesas_usb3_ep *usb3_ep; int num; u16 status = 0; + __le16 tx_data; switch (ctrl->bRequestType & USB_RECIP_MASK) { case USB_RECIP_DEVICE: @@ -1604,10 +1605,10 @@ static bool usb3_std_req_get_status(struct renesas_usb3 *usb3, } if (!stall) { - status = cpu_to_le16(status); + tx_data = cpu_to_le16(status); dev_dbg(usb3_to_dev(usb3), "get_status: req = %p\n", usb_req_to_usb3_req(usb3->ep0_req)); - usb3_pipe0_internal_xfer(usb3, &status, sizeof(status), + usb3_pipe0_internal_xfer(usb3, &tx_data, sizeof(tx_data), usb3_pipe0_get_status_completion); } @@ -1772,7 +1773,7 @@ static bool usb3_std_req_set_sel(struct renesas_usb3 *usb3, static bool usb3_std_req_set_configuration(struct renesas_usb3 *usb3, struct usb_ctrlrequest *ctrl) { - if (ctrl->wValue > 0) + if (le16_to_cpu(ctrl->wValue) > 0) usb3_set_bit(usb3, USB_COM_CON_CONF, USB3_USB_COM_CON); else usb3_clear_bit(usb3, USB_COM_CON_CONF, USB3_USB_COM_CON); diff --git a/drivers/usb/host/xhci-debugfs.c b/drivers/usb/host/xhci-debugfs.c index 7ba6afc7ef23..76c3f29562d2 100644 --- a/drivers/usb/host/xhci-debugfs.c +++ b/drivers/usb/host/xhci-debugfs.c @@ -202,10 +202,10 @@ static void xhci_ring_dump_segment(struct seq_file *s, trb = &seg->trbs[i]; dma = seg->dma + i * sizeof(*trb); seq_printf(s, "%pad: %s\n", &dma, - xhci_decode_trb(trb->generic.field[0], - trb->generic.field[1], - trb->generic.field[2], - trb->generic.field[3])); + xhci_decode_trb(le32_to_cpu(trb->generic.field[0]), + le32_to_cpu(trb->generic.field[1]), + le32_to_cpu(trb->generic.field[2]), + le32_to_cpu(trb->generic.field[3]))); } } @@ -263,10 +263,10 @@ static int xhci_slot_context_show(struct seq_file *s, void *unused) xhci = hcd_to_xhci(bus_to_hcd(dev->udev->bus)); slot_ctx = xhci_get_slot_ctx(xhci, dev->out_ctx); seq_printf(s, "%pad: %s\n", &dev->out_ctx->dma, - xhci_decode_slot_context(slot_ctx->dev_info, - slot_ctx->dev_info2, - slot_ctx->tt_info, - slot_ctx->dev_state)); + xhci_decode_slot_context(le32_to_cpu(slot_ctx->dev_info), + le32_to_cpu(slot_ctx->dev_info2), + le32_to_cpu(slot_ctx->tt_info), + le32_to_cpu(slot_ctx->dev_state))); return 0; } @@ -286,10 +286,10 @@ static int xhci_endpoint_context_show(struct seq_file *s, void *unused) ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, dci); dma = dev->out_ctx->dma + dci * CTX_SIZE(xhci->hcc_params); seq_printf(s, "%pad: %s\n", &dma, - xhci_decode_ep_context(ep_ctx->ep_info, - ep_ctx->ep_info2, - ep_ctx->deq, - ep_ctx->tx_info)); + xhci_decode_ep_context(le32_to_cpu(ep_ctx->ep_info), + le32_to_cpu(ep_ctx->ep_info2), + le64_to_cpu(ep_ctx->deq), + le32_to_cpu(ep_ctx->tx_info))); } return 0; diff --git a/drivers/usb/host/xhci-ext-caps.c b/drivers/usb/host/xhci-ext-caps.c index f498160df969..3351d07c431f 100644 --- a/drivers/usb/host/xhci-ext-caps.c +++ b/drivers/usb/host/xhci-ext-caps.c @@ -57,6 +57,7 @@ static int xhci_create_intel_xhci_sw_pdev(struct xhci_hcd *xhci, u32 cap_offset) ret = platform_device_add_properties(pdev, role_switch_props); if (ret) { dev_err(dev, "failed to register device properties\n"); + platform_device_put(pdev); return ret; } } diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 9741cdeea9d7..e7aab31fd9a5 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -3202,10 +3202,10 @@ static int xhci_align_td(struct xhci_hcd *xhci, struct urb *urb, u32 enqd_len, if (usb_urb_dir_out(urb)) { len = sg_pcopy_to_buffer(urb->sg, urb->num_sgs, seg->bounce_buf, new_buff_len, enqd_len); - if (len != seg->bounce_len) + if (len != new_buff_len) xhci_warn(xhci, "WARN Wrong bounce buffer write length: %zu != %d\n", - len, seg->bounce_len); + len, new_buff_len); seg->bounce_dma = dma_map_single(dev, seg->bounce_buf, max_pkt, DMA_TO_DEVICE); } else { @@ -3330,6 +3330,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, if (xhci_urb_suitable_for_idt(urb)) { memcpy(&send_addr, urb->transfer_buffer, trb_buff_len); + le64_to_cpus(&send_addr); field |= TRB_IDT; } } @@ -3475,6 +3476,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, if (xhci_urb_suitable_for_idt(urb)) { memcpy(&addr, urb->transfer_buffer, urb->transfer_buffer_length); + le64_to_cpus(&addr); field |= TRB_IDT; } else { addr = (u64) urb->transfer_dma; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 500865975687..6c17e3fe181a 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1032,7 +1032,7 @@ int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup) writel(command, &xhci->op_regs->command); xhci->broken_suspend = 0; if (xhci_handshake(&xhci->op_regs->status, - STS_SAVE, 0, 10 * 1000)) { + STS_SAVE, 0, 20 * 1000)) { /* * AMD SNPS xHC 3.0 occasionally does not clear the * SSS bit of USBSTS and when driver tries to poll @@ -1108,6 +1108,18 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) hibernated = true; if (!hibernated) { + /* + * Some controllers might lose power during suspend, so wait + * for controller not ready bit to clear, just as in xHC init. + */ + retval = xhci_handshake(&xhci->op_regs->status, + STS_CNR, 0, 10 * 1000 * 1000); + if (retval) { + xhci_warn(xhci, "Controller not ready at resume %d\n", + retval); + spin_unlock_irq(&xhci->lock); + return retval; + } /* step 1: restore register */ xhci_restore_registers(xhci); /* step 2: initialize command ring buffer */ @@ -3059,6 +3071,48 @@ void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int ep_index, } } +static void xhci_endpoint_disable(struct usb_hcd *hcd, + struct usb_host_endpoint *host_ep) +{ + struct xhci_hcd *xhci; + struct xhci_virt_device *vdev; + struct xhci_virt_ep *ep; + struct usb_device *udev; + unsigned long flags; + unsigned int ep_index; + + xhci = hcd_to_xhci(hcd); +rescan: + spin_lock_irqsave(&xhci->lock, flags); + + udev = (struct usb_device *)host_ep->hcpriv; + if (!udev || !udev->slot_id) + goto done; + + vdev = xhci->devs[udev->slot_id]; + if (!vdev) + goto done; + + ep_index = xhci_get_endpoint_index(&host_ep->desc); + ep = &vdev->eps[ep_index]; + if (!ep) + goto done; + + /* wait for hub_tt_work to finish clearing hub TT */ + if (ep->ep_state & EP_CLEARING_TT) { + spin_unlock_irqrestore(&xhci->lock, flags); + schedule_timeout_uninterruptible(1); + goto rescan; + } + + if (ep->ep_state) + xhci_dbg(xhci, "endpoint disable with ep_state 0x%x\n", + ep->ep_state); +done: + host_ep->hcpriv = NULL; + spin_unlock_irqrestore(&xhci->lock, flags); +} + /* * Called after usb core issues a clear halt control message. * The host side of the halt should already be cleared by a reset endpoint @@ -3083,6 +3137,7 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd, unsigned int ep_index; unsigned long flags; u32 ep_flag; + int err; xhci = hcd_to_xhci(hcd); if (!host_ep->hcpriv) @@ -3142,7 +3197,17 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd, xhci_free_command(xhci, cfg_cmd); goto cleanup; } - xhci_queue_stop_endpoint(xhci, stop_cmd, udev->slot_id, ep_index, 0); + + err = xhci_queue_stop_endpoint(xhci, stop_cmd, udev->slot_id, + ep_index, 0); + if (err < 0) { + spin_unlock_irqrestore(&xhci->lock, flags); + xhci_free_command(xhci, cfg_cmd); + xhci_dbg(xhci, "%s: Failed to queue stop ep command, %d ", + __func__, err); + goto cleanup; + } + xhci_ring_cmd_db(xhci); spin_unlock_irqrestore(&xhci->lock, flags); @@ -3156,8 +3221,16 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd, ctrl_ctx, ep_flag, ep_flag); xhci_endpoint_copy(xhci, cfg_cmd->in_ctx, vdev->out_ctx, ep_index); - xhci_queue_configure_endpoint(xhci, cfg_cmd, cfg_cmd->in_ctx->dma, + err = xhci_queue_configure_endpoint(xhci, cfg_cmd, cfg_cmd->in_ctx->dma, udev->slot_id, false); + if (err < 0) { + spin_unlock_irqrestore(&xhci->lock, flags); + xhci_free_command(xhci, cfg_cmd); + xhci_dbg(xhci, "%s: Failed to queue config ep command, %d ", + __func__, err); + goto cleanup; + } + xhci_ring_cmd_db(xhci); spin_unlock_irqrestore(&xhci->lock, flags); @@ -4674,12 +4747,12 @@ static int xhci_update_timeout_for_endpoint(struct xhci_hcd *xhci, alt_timeout = xhci_call_host_update_timeout_for_endpoint(xhci, udev, desc, state, timeout); - /* If we found we can't enable hub-initiated LPM, or + /* If we found we can't enable hub-initiated LPM, and * the U1 or U2 exit latency was too high to allow - * device-initiated LPM as well, just stop searching. + * device-initiated LPM as well, then we will disable LPM + * for this device, so stop searching any further. */ - if (alt_timeout == USB3_LPM_DISABLED || - alt_timeout == USB3_LPM_DEVICE_INITIATED) { + if (alt_timeout == USB3_LPM_DISABLED) { *timeout = alt_timeout; return -E2BIG; } @@ -4790,10 +4863,12 @@ static u16 xhci_calculate_lpm_timeout(struct usb_hcd *hcd, if (intf->dev.driver) { driver = to_usb_driver(intf->dev.driver); if (driver && driver->disable_hub_initiated_lpm) { - dev_dbg(&udev->dev, "Hub-initiated %s disabled " - "at request of driver %s\n", - state_name, driver->name); - return xhci_get_timeout_no_hub_lpm(udev, state); + dev_dbg(&udev->dev, "Hub-initiated %s disabled at request of driver %s\n", + state_name, driver->name); + timeout = xhci_get_timeout_no_hub_lpm(udev, + state); + if (timeout == USB3_LPM_DISABLED) + return timeout; } } @@ -5077,11 +5152,18 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) hcd->has_tt = 1; } else { /* - * Some 3.1 hosts return sbrn 0x30, use xhci supported protocol - * minor revision instead of sbrn. Minor revision is a two digit - * BCD containing minor and sub-minor numbers, only show minor. + * Early xHCI 1.1 spec did not mention USB 3.1 capable hosts + * should return 0x31 for sbrn, or that the minor revision + * is a two digit BCD containig minor and sub-minor numbers. + * This was later clarified in xHCI 1.2. + * + * Some USB 3.1 capable hosts therefore have sbrn 0x30, and + * minor revision set to 0x1 instead of 0x10. */ - minor_rev = xhci->usb3_rhub.min_rev / 0x10; + if (xhci->usb3_rhub.min_rev == 0x1) + minor_rev = 1; + else + minor_rev = xhci->usb3_rhub.min_rev / 0x10; switch (minor_rev) { case 2: @@ -5199,11 +5281,12 @@ static void xhci_clear_tt_buffer_complete(struct usb_hcd *hcd, unsigned long flags; xhci = hcd_to_xhci(hcd); + + spin_lock_irqsave(&xhci->lock, flags); udev = (struct usb_device *)ep->hcpriv; slot_id = udev->slot_id; ep_index = xhci_get_endpoint_index(&ep->desc); - spin_lock_irqsave(&xhci->lock, flags); xhci->devs[slot_id]->eps[ep_index].ep_state &= ~EP_CLEARING_TT; xhci_ring_doorbell_for_active_rings(xhci, slot_id, ep_index); spin_unlock_irqrestore(&xhci->lock, flags); @@ -5240,6 +5323,7 @@ static const struct hc_driver xhci_hc_driver = { .free_streams = xhci_free_streams, .add_endpoint = xhci_add_endpoint, .drop_endpoint = xhci_drop_endpoint, + .endpoint_disable = xhci_endpoint_disable, .endpoint_reset = xhci_endpoint_reset, .check_bandwidth = xhci_check_bandwidth, .reset_bandwidth = xhci_reset_bandwidth, diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c index 0a57c2cc8e5a..7a6b122c833f 100644 --- a/drivers/usb/image/microtek.c +++ b/drivers/usb/image/microtek.c @@ -716,6 +716,10 @@ static int mts_usb_probe(struct usb_interface *intf, } + if (ep_in_current != &ep_in_set[2]) { + MTS_WARNING("couldn't find two input bulk endpoints. Bailing out.\n"); + return -ENODEV; + } if ( ep_out == -1 ) { MTS_WARNING( "couldn't find an output bulk endpoint. Bailing out.\n" ); diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig index bdae62b2ffe0..9bce583aada3 100644 --- a/drivers/usb/misc/Kconfig +++ b/drivers/usb/misc/Kconfig @@ -47,16 +47,6 @@ config USB_SEVSEG To compile this driver as a module, choose M here: the module will be called usbsevseg. -config USB_RIO500 - tristate "USB Diamond Rio500 support" - help - Say Y here if you want to connect a USB Rio500 mp3 player to your - computer's USB port. Please read <file:Documentation/usb/rio.rst> - for more information. - - To compile this driver as a module, choose M here: the - module will be called rio500. - config USB_LEGOTOWER tristate "USB Lego Infrared Tower support" help diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile index 109f54f5b9aa..0d416eb624bb 100644 --- a/drivers/usb/misc/Makefile +++ b/drivers/usb/misc/Makefile @@ -17,7 +17,6 @@ obj-$(CONFIG_USB_ISIGHTFW) += isight_firmware.o obj-$(CONFIG_USB_LCD) += usblcd.o obj-$(CONFIG_USB_LD) += ldusb.o obj-$(CONFIG_USB_LEGOTOWER) += legousbtower.o -obj-$(CONFIG_USB_RIO500) += rio500.o obj-$(CONFIG_USB_TEST) += usbtest.o obj-$(CONFIG_USB_EHSET_TEST_FIXTURE) += ehset.o obj-$(CONFIG_USB_TRANCEVIBRATOR) += trancevibrator.o diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c index 344d523b0502..6f5edb9fc61e 100644 --- a/drivers/usb/misc/adutux.c +++ b/drivers/usb/misc/adutux.c @@ -75,6 +75,7 @@ struct adu_device { char serial_number[8]; int open_count; /* number of times this port has been opened */ + unsigned long disconnected:1; char *read_buffer_primary; int read_buffer_length; @@ -116,7 +117,7 @@ static void adu_abort_transfers(struct adu_device *dev) { unsigned long flags; - if (dev->udev == NULL) + if (dev->disconnected) return; /* shutdown transfer */ @@ -148,6 +149,7 @@ static void adu_delete(struct adu_device *dev) kfree(dev->read_buffer_secondary); kfree(dev->interrupt_in_buffer); kfree(dev->interrupt_out_buffer); + usb_put_dev(dev->udev); kfree(dev); } @@ -243,7 +245,7 @@ static int adu_open(struct inode *inode, struct file *file) } dev = usb_get_intfdata(interface); - if (!dev || !dev->udev) { + if (!dev) { retval = -ENODEV; goto exit_no_device; } @@ -326,7 +328,7 @@ static int adu_release(struct inode *inode, struct file *file) } adu_release_internal(dev); - if (dev->udev == NULL) { + if (dev->disconnected) { /* the device was unplugged before the file was released */ if (!dev->open_count) /* ... and we're the last user */ adu_delete(dev); @@ -354,7 +356,7 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count, return -ERESTARTSYS; /* verify that the device wasn't unplugged */ - if (dev->udev == NULL) { + if (dev->disconnected) { retval = -ENODEV; pr_err("No device or device unplugged %d\n", retval); goto exit; @@ -518,7 +520,7 @@ static ssize_t adu_write(struct file *file, const __user char *buffer, goto exit_nolock; /* verify that the device wasn't unplugged */ - if (dev->udev == NULL) { + if (dev->disconnected) { retval = -ENODEV; pr_err("No device or device unplugged %d\n", retval); goto exit; @@ -663,7 +665,7 @@ static int adu_probe(struct usb_interface *interface, mutex_init(&dev->mtx); spin_lock_init(&dev->buflock); - dev->udev = udev; + dev->udev = usb_get_dev(udev); init_waitqueue_head(&dev->read_wait); init_waitqueue_head(&dev->write_wait); @@ -762,14 +764,18 @@ static void adu_disconnect(struct usb_interface *interface) dev = usb_get_intfdata(interface); - mutex_lock(&dev->mtx); /* not interruptible */ - dev->udev = NULL; /* poison */ usb_deregister_dev(interface, &adu_class); - mutex_unlock(&dev->mtx); + + usb_poison_urb(dev->interrupt_in_urb); + usb_poison_urb(dev->interrupt_out_urb); mutex_lock(&adutux_mutex); usb_set_intfdata(interface, NULL); + mutex_lock(&dev->mtx); /* not interruptible */ + dev->disconnected = 1; + mutex_unlock(&dev->mtx); + /* if the device is not opened, then we clean up right now */ if (!dev->open_count) adu_delete(dev); diff --git a/drivers/usb/misc/chaoskey.c b/drivers/usb/misc/chaoskey.c index cf5828ce927a..34e6cd6f40d3 100644 --- a/drivers/usb/misc/chaoskey.c +++ b/drivers/usb/misc/chaoskey.c @@ -98,6 +98,7 @@ static void chaoskey_free(struct chaoskey *dev) usb_free_urb(dev->urb); kfree(dev->name); kfree(dev->buf); + usb_put_intf(dev->interface); kfree(dev); } } @@ -145,6 +146,8 @@ static int chaoskey_probe(struct usb_interface *interface, if (dev == NULL) goto out; + dev->interface = usb_get_intf(interface); + dev->buf = kmalloc(size, GFP_KERNEL); if (dev->buf == NULL) @@ -174,8 +177,6 @@ static int chaoskey_probe(struct usb_interface *interface, goto out; } - dev->interface = interface; - dev->in_ep = in_ep; if (le16_to_cpu(udev->descriptor.idVendor) != ALEA_VENDOR_ID) diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c index f5bed9f29e56..dce44fbf031f 100644 --- a/drivers/usb/misc/iowarrior.c +++ b/drivers/usb/misc/iowarrior.c @@ -54,11 +54,7 @@ MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); -/* Module parameters */ -static DEFINE_MUTEX(iowarrior_mutex); - static struct usb_driver iowarrior_driver; -static DEFINE_MUTEX(iowarrior_open_disc_lock); /*--------------*/ /* data */ @@ -87,6 +83,7 @@ struct iowarrior { char chip_serial[9]; /* the serial number string of the chip connected */ int report_size; /* number of bytes in a report */ u16 product_id; + struct usb_anchor submitted; }; /*--------------*/ @@ -243,6 +240,7 @@ static inline void iowarrior_delete(struct iowarrior *dev) kfree(dev->int_in_buffer); usb_free_urb(dev->int_in_urb); kfree(dev->read_queue); + usb_put_intf(dev->interface); kfree(dev); } @@ -424,11 +422,13 @@ static ssize_t iowarrior_write(struct file *file, retval = -EFAULT; goto error; } + usb_anchor_urb(int_out_urb, &dev->submitted); retval = usb_submit_urb(int_out_urb, GFP_KERNEL); if (retval) { dev_dbg(&dev->interface->dev, "submit error %d for urb nr.%d\n", retval, atomic_read(&dev->write_busy)); + usb_unanchor_urb(int_out_urb); goto error; } /* submit was ok */ @@ -477,8 +477,6 @@ static long iowarrior_ioctl(struct file *file, unsigned int cmd, if (!buffer) return -ENOMEM; - /* lock this object */ - mutex_lock(&iowarrior_mutex); mutex_lock(&dev->mutex); /* verify that the device wasn't unplugged */ @@ -571,7 +569,6 @@ static long iowarrior_ioctl(struct file *file, unsigned int cmd, error_out: /* unlock the device */ mutex_unlock(&dev->mutex); - mutex_unlock(&iowarrior_mutex); kfree(buffer); return retval; } @@ -586,27 +583,20 @@ static int iowarrior_open(struct inode *inode, struct file *file) int subminor; int retval = 0; - mutex_lock(&iowarrior_mutex); subminor = iminor(inode); interface = usb_find_interface(&iowarrior_driver, subminor); if (!interface) { - mutex_unlock(&iowarrior_mutex); - printk(KERN_ERR "%s - error, can't find device for minor %d\n", + pr_err("%s - error, can't find device for minor %d\n", __func__, subminor); return -ENODEV; } - mutex_lock(&iowarrior_open_disc_lock); dev = usb_get_intfdata(interface); - if (!dev) { - mutex_unlock(&iowarrior_open_disc_lock); - mutex_unlock(&iowarrior_mutex); + if (!dev) return -ENODEV; - } mutex_lock(&dev->mutex); - mutex_unlock(&iowarrior_open_disc_lock); /* Only one process can open each device, no sharing. */ if (dev->opened) { @@ -628,7 +618,6 @@ static int iowarrior_open(struct inode *inode, struct file *file) out: mutex_unlock(&dev->mutex); - mutex_unlock(&iowarrior_mutex); return retval; } @@ -764,11 +753,13 @@ static int iowarrior_probe(struct usb_interface *interface, init_waitqueue_head(&dev->write_wait); dev->udev = udev; - dev->interface = interface; + dev->interface = usb_get_intf(interface); iface_desc = interface->cur_altsetting; dev->product_id = le16_to_cpu(udev->descriptor.idProduct); + init_usb_anchor(&dev->submitted); + res = usb_find_last_int_in_endpoint(iface_desc, &dev->int_in_endpoint); if (res) { dev_err(&interface->dev, "no interrupt-in endpoint found\n"); @@ -836,7 +827,6 @@ static int iowarrior_probe(struct usb_interface *interface, if (retval) { /* something prevented us from registering this driver */ dev_err(&interface->dev, "Not able to get a minor for this device.\n"); - usb_set_intfdata(interface, NULL); goto error; } @@ -860,26 +850,15 @@ error: */ static void iowarrior_disconnect(struct usb_interface *interface) { - struct iowarrior *dev; - int minor; - - dev = usb_get_intfdata(interface); - mutex_lock(&iowarrior_open_disc_lock); - usb_set_intfdata(interface, NULL); - /* prevent device read, write and ioctl */ - dev->present = 0; - - minor = dev->minor; - mutex_unlock(&iowarrior_open_disc_lock); - /* give back our minor - this will call close() locks need to be dropped at this point*/ + struct iowarrior *dev = usb_get_intfdata(interface); + int minor = dev->minor; usb_deregister_dev(interface, &iowarrior_class); mutex_lock(&dev->mutex); /* prevent device read, write and ioctl */ - - mutex_unlock(&dev->mutex); + dev->present = 0; if (dev->opened) { /* There is a process that holds a filedescriptor to the device , @@ -887,10 +866,13 @@ static void iowarrior_disconnect(struct usb_interface *interface) Deleting the device is postponed until close() was called. */ usb_kill_urb(dev->int_in_urb); + usb_kill_anchored_urbs(&dev->submitted); wake_up_interruptible(&dev->read_wait); wake_up_interruptible(&dev->write_wait); + mutex_unlock(&dev->mutex); } else { /* no process is using the device, cleanup now */ + mutex_unlock(&dev->mutex); iowarrior_delete(dev); } diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c index 6581774bdfa4..8f86b4ebca89 100644 --- a/drivers/usb/misc/ldusb.c +++ b/drivers/usb/misc/ldusb.c @@ -153,6 +153,7 @@ MODULE_PARM_DESC(min_interrupt_out_interval, "Minimum interrupt out interval in struct ld_usb { struct mutex mutex; /* locks this structure */ struct usb_interface *intf; /* save off the usb interface pointer */ + unsigned long disconnected:1; int open_count; /* number of times this port has been opened */ @@ -192,12 +193,10 @@ static void ld_usb_abort_transfers(struct ld_usb *dev) /* shutdown transfer */ if (dev->interrupt_in_running) { dev->interrupt_in_running = 0; - if (dev->intf) - usb_kill_urb(dev->interrupt_in_urb); + usb_kill_urb(dev->interrupt_in_urb); } if (dev->interrupt_out_busy) - if (dev->intf) - usb_kill_urb(dev->interrupt_out_urb); + usb_kill_urb(dev->interrupt_out_urb); } /** @@ -205,8 +204,6 @@ static void ld_usb_abort_transfers(struct ld_usb *dev) */ static void ld_usb_delete(struct ld_usb *dev) { - ld_usb_abort_transfers(dev); - /* free data structures */ usb_free_urb(dev->interrupt_in_urb); usb_free_urb(dev->interrupt_out_urb); @@ -263,7 +260,7 @@ static void ld_usb_interrupt_in_callback(struct urb *urb) resubmit: /* resubmit if we're still running */ - if (dev->interrupt_in_running && !dev->buffer_overflow && dev->intf) { + if (dev->interrupt_in_running && !dev->buffer_overflow) { retval = usb_submit_urb(dev->interrupt_in_urb, GFP_ATOMIC); if (retval) { dev_err(&dev->intf->dev, @@ -383,16 +380,13 @@ static int ld_usb_release(struct inode *inode, struct file *file) goto exit; } - if (mutex_lock_interruptible(&dev->mutex)) { - retval = -ERESTARTSYS; - goto exit; - } + mutex_lock(&dev->mutex); if (dev->open_count != 1) { retval = -ENODEV; goto unlock_exit; } - if (dev->intf == NULL) { + if (dev->disconnected) { /* the device was unplugged before the file was released */ mutex_unlock(&dev->mutex); /* unlock here as ld_usb_delete frees dev */ @@ -423,7 +417,7 @@ static __poll_t ld_usb_poll(struct file *file, poll_table *wait) dev = file->private_data; - if (!dev->intf) + if (dev->disconnected) return EPOLLERR | EPOLLHUP; poll_wait(file, &dev->read_wait, wait); @@ -462,7 +456,7 @@ static ssize_t ld_usb_read(struct file *file, char __user *buffer, size_t count, } /* verify that the device wasn't unplugged */ - if (dev->intf == NULL) { + if (dev->disconnected) { retval = -ENODEV; printk(KERN_ERR "ldusb: No device or device unplugged %d\n", retval); goto unlock_exit; @@ -470,7 +464,7 @@ static ssize_t ld_usb_read(struct file *file, char __user *buffer, size_t count, /* wait for data */ spin_lock_irq(&dev->rbsl); - if (dev->ring_head == dev->ring_tail) { + while (dev->ring_head == dev->ring_tail) { dev->interrupt_in_done = 0; spin_unlock_irq(&dev->rbsl); if (file->f_flags & O_NONBLOCK) { @@ -480,15 +474,20 @@ static ssize_t ld_usb_read(struct file *file, char __user *buffer, size_t count, retval = wait_event_interruptible(dev->read_wait, dev->interrupt_in_done); if (retval < 0) goto unlock_exit; - } else { - spin_unlock_irq(&dev->rbsl); + + spin_lock_irq(&dev->rbsl); } + spin_unlock_irq(&dev->rbsl); /* actual_buffer contains actual_length + interrupt_in_buffer */ actual_buffer = (size_t *)(dev->ring_buffer + dev->ring_tail * (sizeof(size_t)+dev->interrupt_in_endpoint_size)); + if (*actual_buffer > dev->interrupt_in_endpoint_size) { + retval = -EIO; + goto unlock_exit; + } bytes_to_read = min(count, *actual_buffer); if (bytes_to_read < *actual_buffer) - dev_warn(&dev->intf->dev, "Read buffer overflow, %zd bytes dropped\n", + dev_warn(&dev->intf->dev, "Read buffer overflow, %zu bytes dropped\n", *actual_buffer-bytes_to_read); /* copy one interrupt_in_buffer from ring_buffer into userspace */ @@ -496,11 +495,11 @@ static ssize_t ld_usb_read(struct file *file, char __user *buffer, size_t count, retval = -EFAULT; goto unlock_exit; } - dev->ring_tail = (dev->ring_tail+1) % ring_buffer_size; - retval = bytes_to_read; spin_lock_irq(&dev->rbsl); + dev->ring_tail = (dev->ring_tail + 1) % ring_buffer_size; + if (dev->buffer_overflow) { dev->buffer_overflow = 0; spin_unlock_irq(&dev->rbsl); @@ -542,7 +541,7 @@ static ssize_t ld_usb_write(struct file *file, const char __user *buffer, } /* verify that the device wasn't unplugged */ - if (dev->intf == NULL) { + if (dev->disconnected) { retval = -ENODEV; printk(KERN_ERR "ldusb: No device or device unplugged %d\n", retval); goto unlock_exit; @@ -563,8 +562,9 @@ static ssize_t ld_usb_write(struct file *file, const char __user *buffer, /* write the data into interrupt_out_buffer from userspace */ bytes_to_write = min(count, write_buffer_size*dev->interrupt_out_endpoint_size); if (bytes_to_write < count) - dev_warn(&dev->intf->dev, "Write buffer overflow, %zd bytes dropped\n", count-bytes_to_write); - dev_dbg(&dev->intf->dev, "%s: count = %zd, bytes_to_write = %zd\n", + dev_warn(&dev->intf->dev, "Write buffer overflow, %zu bytes dropped\n", + count - bytes_to_write); + dev_dbg(&dev->intf->dev, "%s: count = %zu, bytes_to_write = %zu\n", __func__, count, bytes_to_write); if (copy_from_user(dev->interrupt_out_buffer, buffer, bytes_to_write)) { @@ -581,7 +581,7 @@ static ssize_t ld_usb_write(struct file *file, const char __user *buffer, 1 << 8, 0, dev->interrupt_out_buffer, bytes_to_write, - USB_CTRL_SET_TIMEOUT * HZ); + USB_CTRL_SET_TIMEOUT); if (retval < 0) dev_err(&dev->intf->dev, "Couldn't submit HID_REQ_SET_REPORT %d\n", @@ -696,10 +696,9 @@ static int ld_usb_probe(struct usb_interface *intf, const struct usb_device_id * dev_warn(&intf->dev, "Interrupt out endpoint not found (using control endpoint instead)\n"); dev->interrupt_in_endpoint_size = usb_endpoint_maxp(dev->interrupt_in_endpoint); - dev->ring_buffer = - kmalloc_array(ring_buffer_size, - sizeof(size_t) + dev->interrupt_in_endpoint_size, - GFP_KERNEL); + dev->ring_buffer = kcalloc(ring_buffer_size, + sizeof(size_t) + dev->interrupt_in_endpoint_size, + GFP_KERNEL); if (!dev->ring_buffer) goto error; dev->interrupt_in_buffer = kmalloc(dev->interrupt_in_endpoint_size, GFP_KERNEL); @@ -764,6 +763,9 @@ static void ld_usb_disconnect(struct usb_interface *intf) /* give back our minor */ usb_deregister_dev(intf, &ld_usb_class); + usb_poison_urb(dev->interrupt_in_urb); + usb_poison_urb(dev->interrupt_out_urb); + mutex_lock(&dev->mutex); /* if the device is not opened, then we clean up right now */ @@ -771,7 +773,7 @@ static void ld_usb_disconnect(struct usb_interface *intf) mutex_unlock(&dev->mutex); ld_usb_delete(dev); } else { - dev->intf = NULL; + dev->disconnected = 1; /* wake up pollers */ wake_up_interruptible_all(&dev->read_wait); wake_up_interruptible_all(&dev->write_wait); diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c index 006cf13b2199..23061f1526b4 100644 --- a/drivers/usb/misc/legousbtower.c +++ b/drivers/usb/misc/legousbtower.c @@ -179,7 +179,6 @@ static const struct usb_device_id tower_table[] = { }; MODULE_DEVICE_TABLE (usb, tower_table); -static DEFINE_MUTEX(open_disc_mutex); #define LEGO_USB_TOWER_MINOR_BASE 160 @@ -191,6 +190,7 @@ struct lego_usb_tower { unsigned char minor; /* the starting minor number for this device */ int open_count; /* number of times this port has been opened */ + unsigned long disconnected:1; char* read_buffer; size_t read_buffer_length; /* this much came in */ @@ -290,14 +290,13 @@ static inline void lego_usb_tower_debug_data(struct device *dev, */ static inline void tower_delete (struct lego_usb_tower *dev) { - tower_abort_transfers (dev); - /* free data structures */ usb_free_urb(dev->interrupt_in_urb); usb_free_urb(dev->interrupt_out_urb); kfree (dev->read_buffer); kfree (dev->interrupt_in_buffer); kfree (dev->interrupt_out_buffer); + usb_put_dev(dev->udev); kfree (dev); } @@ -332,18 +331,14 @@ static int tower_open (struct inode *inode, struct file *file) goto exit; } - mutex_lock(&open_disc_mutex); dev = usb_get_intfdata(interface); - if (!dev) { - mutex_unlock(&open_disc_mutex); retval = -ENODEV; goto exit; } /* lock this device */ if (mutex_lock_interruptible(&dev->lock)) { - mutex_unlock(&open_disc_mutex); retval = -ERESTARTSYS; goto exit; } @@ -351,12 +346,9 @@ static int tower_open (struct inode *inode, struct file *file) /* allow opening only once */ if (dev->open_count) { - mutex_unlock(&open_disc_mutex); retval = -EBUSY; goto unlock_exit; } - dev->open_count = 1; - mutex_unlock(&open_disc_mutex); /* reset the tower */ result = usb_control_msg (dev->udev, @@ -396,13 +388,14 @@ static int tower_open (struct inode *inode, struct file *file) dev_err(&dev->udev->dev, "Couldn't submit interrupt_in_urb %d\n", retval); dev->interrupt_in_running = 0; - dev->open_count = 0; goto unlock_exit; } /* save device in the file's private structure */ file->private_data = dev; + dev->open_count = 1; + unlock_exit: mutex_unlock(&dev->lock); @@ -423,22 +416,19 @@ static int tower_release (struct inode *inode, struct file *file) if (dev == NULL) { retval = -ENODEV; - goto exit_nolock; - } - - mutex_lock(&open_disc_mutex); - if (mutex_lock_interruptible(&dev->lock)) { - retval = -ERESTARTSYS; goto exit; } + mutex_lock(&dev->lock); + if (dev->open_count != 1) { dev_dbg(&dev->udev->dev, "%s: device not opened exactly once\n", __func__); retval = -ENODEV; goto unlock_exit; } - if (dev->udev == NULL) { + + if (dev->disconnected) { /* the device was unplugged before the file was released */ /* unlock here as tower_delete frees dev */ @@ -456,10 +446,7 @@ static int tower_release (struct inode *inode, struct file *file) unlock_exit: mutex_unlock(&dev->lock); - exit: - mutex_unlock(&open_disc_mutex); -exit_nolock: return retval; } @@ -477,10 +464,9 @@ static void tower_abort_transfers (struct lego_usb_tower *dev) if (dev->interrupt_in_running) { dev->interrupt_in_running = 0; mb(); - if (dev->udev) - usb_kill_urb (dev->interrupt_in_urb); + usb_kill_urb(dev->interrupt_in_urb); } - if (dev->interrupt_out_busy && dev->udev) + if (dev->interrupt_out_busy) usb_kill_urb(dev->interrupt_out_urb); } @@ -516,7 +502,7 @@ static __poll_t tower_poll (struct file *file, poll_table *wait) dev = file->private_data; - if (!dev->udev) + if (dev->disconnected) return EPOLLERR | EPOLLHUP; poll_wait(file, &dev->read_wait, wait); @@ -563,7 +549,7 @@ static ssize_t tower_read (struct file *file, char __user *buffer, size_t count, } /* verify that the device wasn't unplugged */ - if (dev->udev == NULL) { + if (dev->disconnected) { retval = -ENODEV; pr_err("No device or device unplugged %d\n", retval); goto unlock_exit; @@ -649,7 +635,7 @@ static ssize_t tower_write (struct file *file, const char __user *buffer, size_t } /* verify that the device wasn't unplugged */ - if (dev->udev == NULL) { + if (dev->disconnected) { retval = -ENODEV; pr_err("No device or device unplugged %d\n", retval); goto unlock_exit; @@ -759,7 +745,7 @@ static void tower_interrupt_in_callback (struct urb *urb) resubmit: /* resubmit if we're still running */ - if (dev->interrupt_in_running && dev->udev) { + if (dev->interrupt_in_running) { retval = usb_submit_urb (dev->interrupt_in_urb, GFP_ATOMIC); if (retval) dev_err(&dev->udev->dev, @@ -822,8 +808,9 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device mutex_init(&dev->lock); - dev->udev = udev; + dev->udev = usb_get_dev(udev); dev->open_count = 0; + dev->disconnected = 0; dev->read_buffer = NULL; dev->read_buffer_length = 0; @@ -891,8 +878,10 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device get_version_reply, sizeof(*get_version_reply), 1000); - if (result < 0) { - dev_err(idev, "LEGO USB Tower get version control request failed\n"); + if (result != sizeof(*get_version_reply)) { + if (result >= 0) + result = -EIO; + dev_err(idev, "get version request failed: %d\n", result); retval = result; goto error; } @@ -910,7 +899,6 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device if (retval) { /* something prevented us from registering this driver */ dev_err(idev, "Not able to get a minor for this device.\n"); - usb_set_intfdata (interface, NULL); goto error; } dev->minor = interface->minor; @@ -942,23 +930,24 @@ static void tower_disconnect (struct usb_interface *interface) int minor; dev = usb_get_intfdata (interface); - mutex_lock(&open_disc_mutex); - usb_set_intfdata (interface, NULL); minor = dev->minor; - /* give back our minor */ + /* give back our minor and prevent further open() */ usb_deregister_dev (interface, &tower_class); + /* stop I/O */ + usb_poison_urb(dev->interrupt_in_urb); + usb_poison_urb(dev->interrupt_out_urb); + mutex_lock(&dev->lock); - mutex_unlock(&open_disc_mutex); /* if the device is not opened, then we clean up right now */ if (!dev->open_count) { mutex_unlock(&dev->lock); tower_delete (dev); } else { - dev->udev = NULL; + dev->disconnected = 1; /* wake up pollers */ wake_up_interruptible_all(&dev->read_wait); wake_up_interruptible_all(&dev->write_wait); diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c deleted file mode 100644 index 30cae5e1954d..000000000000 --- a/drivers/usb/misc/rio500.c +++ /dev/null @@ -1,554 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* -*- linux-c -*- */ - -/* - * Driver for USB Rio 500 - * - * Cesar Miquel (miquel@df.uba.ar) - * - * based on hp_scanner.c by David E. Nelson (dnelson@jump.net) - * - * Based upon mouse.c (Brad Keryan) and printer.c (Michael Gee). - * - * Changelog: - * 30/05/2003 replaced lock/unlock kernel with up/down - * Daniele Bellucci bellucda@tiscali.it - * */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/signal.h> -#include <linux/sched/signal.h> -#include <linux/mutex.h> -#include <linux/errno.h> -#include <linux/random.h> -#include <linux/poll.h> -#include <linux/slab.h> -#include <linux/spinlock.h> -#include <linux/usb.h> -#include <linux/wait.h> - -#include "rio500_usb.h" - -#define DRIVER_AUTHOR "Cesar Miquel <miquel@df.uba.ar>" -#define DRIVER_DESC "USB Rio 500 driver" - -#define RIO_MINOR 64 - -/* stall/wait timeout for rio */ -#define NAK_TIMEOUT (HZ) - -#define IBUF_SIZE 0x1000 - -/* Size of the rio buffer */ -#define OBUF_SIZE 0x10000 - -struct rio_usb_data { - struct usb_device *rio_dev; /* init: probe_rio */ - unsigned int ifnum; /* Interface number of the USB device */ - int isopen; /* nz if open */ - int present; /* Device is present on the bus */ - char *obuf, *ibuf; /* transfer buffers */ - char bulk_in_ep, bulk_out_ep; /* Endpoint assignments */ - wait_queue_head_t wait_q; /* for timeouts */ -}; - -static DEFINE_MUTEX(rio500_mutex); -static struct rio_usb_data rio_instance; - -static int open_rio(struct inode *inode, struct file *file) -{ - struct rio_usb_data *rio = &rio_instance; - - /* against disconnect() */ - mutex_lock(&rio500_mutex); - - if (rio->isopen || !rio->present) { - mutex_unlock(&rio500_mutex); - return -EBUSY; - } - rio->isopen = 1; - - init_waitqueue_head(&rio->wait_q); - - - dev_info(&rio->rio_dev->dev, "Rio opened.\n"); - mutex_unlock(&rio500_mutex); - - return 0; -} - -static int close_rio(struct inode *inode, struct file *file) -{ - struct rio_usb_data *rio = &rio_instance; - - /* against disconnect() */ - mutex_lock(&rio500_mutex); - - rio->isopen = 0; - if (!rio->present) { - /* cleanup has been delayed */ - kfree(rio->ibuf); - kfree(rio->obuf); - rio->ibuf = NULL; - rio->obuf = NULL; - } else { - dev_info(&rio->rio_dev->dev, "Rio closed.\n"); - } - mutex_unlock(&rio500_mutex); - return 0; -} - -static long ioctl_rio(struct file *file, unsigned int cmd, unsigned long arg) -{ - struct RioCommand rio_cmd; - struct rio_usb_data *rio = &rio_instance; - void __user *data; - unsigned char *buffer; - int result, requesttype; - int retries; - int retval=0; - - mutex_lock(&rio500_mutex); - /* Sanity check to make sure rio is connected, powered, etc */ - if (rio->present == 0 || rio->rio_dev == NULL) { - retval = -ENODEV; - goto err_out; - } - - switch (cmd) { - case RIO_RECV_COMMAND: - data = (void __user *) arg; - if (data == NULL) - break; - if (copy_from_user(&rio_cmd, data, sizeof(struct RioCommand))) { - retval = -EFAULT; - goto err_out; - } - if (rio_cmd.length < 0 || rio_cmd.length > PAGE_SIZE) { - retval = -EINVAL; - goto err_out; - } - buffer = (unsigned char *) __get_free_page(GFP_KERNEL); - if (buffer == NULL) { - retval = -ENOMEM; - goto err_out; - } - if (copy_from_user(buffer, rio_cmd.buffer, rio_cmd.length)) { - retval = -EFAULT; - free_page((unsigned long) buffer); - goto err_out; - } - - requesttype = rio_cmd.requesttype | USB_DIR_IN | - USB_TYPE_VENDOR | USB_RECIP_DEVICE; - dev_dbg(&rio->rio_dev->dev, - "sending command:reqtype=%0x req=%0x value=%0x index=%0x len=%0x\n", - requesttype, rio_cmd.request, rio_cmd.value, - rio_cmd.index, rio_cmd.length); - /* Send rio control message */ - retries = 3; - while (retries) { - result = usb_control_msg(rio->rio_dev, - usb_rcvctrlpipe(rio-> rio_dev, 0), - rio_cmd.request, - requesttype, - rio_cmd.value, - rio_cmd.index, buffer, - rio_cmd.length, - jiffies_to_msecs(rio_cmd.timeout)); - if (result == -ETIMEDOUT) - retries--; - else if (result < 0) { - dev_err(&rio->rio_dev->dev, - "Error executing ioctrl. code = %d\n", - result); - retries = 0; - } else { - dev_dbg(&rio->rio_dev->dev, - "Executed ioctl. Result = %d (data=%02x)\n", - result, buffer[0]); - if (copy_to_user(rio_cmd.buffer, buffer, - rio_cmd.length)) { - free_page((unsigned long) buffer); - retval = -EFAULT; - goto err_out; - } - retries = 0; - } - - /* rio_cmd.buffer contains a raw stream of single byte - data which has been returned from rio. Data is - interpreted at application level. For data that - will be cast to data types longer than 1 byte, data - will be little_endian and will potentially need to - be swapped at the app level */ - - } - free_page((unsigned long) buffer); - break; - - case RIO_SEND_COMMAND: - data = (void __user *) arg; - if (data == NULL) - break; - if (copy_from_user(&rio_cmd, data, sizeof(struct RioCommand))) { - retval = -EFAULT; - goto err_out; - } - if (rio_cmd.length < 0 || rio_cmd.length > PAGE_SIZE) { - retval = -EINVAL; - goto err_out; - } - buffer = (unsigned char *) __get_free_page(GFP_KERNEL); - if (buffer == NULL) { - retval = -ENOMEM; - goto err_out; - } - if (copy_from_user(buffer, rio_cmd.buffer, rio_cmd.length)) { - free_page((unsigned long)buffer); - retval = -EFAULT; - goto err_out; - } - - requesttype = rio_cmd.requesttype | USB_DIR_OUT | - USB_TYPE_VENDOR | USB_RECIP_DEVICE; - dev_dbg(&rio->rio_dev->dev, - "sending command: reqtype=%0x req=%0x value=%0x index=%0x len=%0x\n", - requesttype, rio_cmd.request, rio_cmd.value, - rio_cmd.index, rio_cmd.length); - /* Send rio control message */ - retries = 3; - while (retries) { - result = usb_control_msg(rio->rio_dev, - usb_sndctrlpipe(rio-> rio_dev, 0), - rio_cmd.request, - requesttype, - rio_cmd.value, - rio_cmd.index, buffer, - rio_cmd.length, - jiffies_to_msecs(rio_cmd.timeout)); - if (result == -ETIMEDOUT) - retries--; - else if (result < 0) { - dev_err(&rio->rio_dev->dev, - "Error executing ioctrl. code = %d\n", - result); - retries = 0; - } else { - dev_dbg(&rio->rio_dev->dev, - "Executed ioctl. Result = %d\n", result); - retries = 0; - - } - - } - free_page((unsigned long) buffer); - break; - - default: - retval = -ENOTTY; - break; - } - - -err_out: - mutex_unlock(&rio500_mutex); - return retval; -} - -static ssize_t -write_rio(struct file *file, const char __user *buffer, - size_t count, loff_t * ppos) -{ - DEFINE_WAIT(wait); - struct rio_usb_data *rio = &rio_instance; - - unsigned long copy_size; - unsigned long bytes_written = 0; - unsigned int partial; - - int result = 0; - int maxretry; - int errn = 0; - int intr; - - intr = mutex_lock_interruptible(&rio500_mutex); - if (intr) - return -EINTR; - /* Sanity check to make sure rio is connected, powered, etc */ - if (rio->present == 0 || rio->rio_dev == NULL) { - mutex_unlock(&rio500_mutex); - return -ENODEV; - } - - - - do { - unsigned long thistime; - char *obuf = rio->obuf; - - thistime = copy_size = - (count >= OBUF_SIZE) ? OBUF_SIZE : count; - if (copy_from_user(rio->obuf, buffer, copy_size)) { - errn = -EFAULT; - goto error; - } - maxretry = 5; - while (thistime) { - if (!rio->rio_dev) { - errn = -ENODEV; - goto error; - } - if (signal_pending(current)) { - mutex_unlock(&rio500_mutex); - return bytes_written ? bytes_written : -EINTR; - } - - result = usb_bulk_msg(rio->rio_dev, - usb_sndbulkpipe(rio->rio_dev, 2), - obuf, thistime, &partial, 5000); - - dev_dbg(&rio->rio_dev->dev, - "write stats: result:%d thistime:%lu partial:%u\n", - result, thistime, partial); - - if (result == -ETIMEDOUT) { /* NAK - so hold for a while */ - if (!maxretry--) { - errn = -ETIME; - goto error; - } - prepare_to_wait(&rio->wait_q, &wait, TASK_INTERRUPTIBLE); - schedule_timeout(NAK_TIMEOUT); - finish_wait(&rio->wait_q, &wait); - continue; - } else if (!result && partial) { - obuf += partial; - thistime -= partial; - } else - break; - } - if (result) { - dev_err(&rio->rio_dev->dev, "Write Whoops - %x\n", - result); - errn = -EIO; - goto error; - } - bytes_written += copy_size; - count -= copy_size; - buffer += copy_size; - } while (count > 0); - - mutex_unlock(&rio500_mutex); - - return bytes_written ? bytes_written : -EIO; - -error: - mutex_unlock(&rio500_mutex); - return errn; -} - -static ssize_t -read_rio(struct file *file, char __user *buffer, size_t count, loff_t * ppos) -{ - DEFINE_WAIT(wait); - struct rio_usb_data *rio = &rio_instance; - ssize_t read_count; - unsigned int partial; - int this_read; - int result; - int maxretry = 10; - char *ibuf; - int intr; - - intr = mutex_lock_interruptible(&rio500_mutex); - if (intr) - return -EINTR; - /* Sanity check to make sure rio is connected, powered, etc */ - if (rio->present == 0 || rio->rio_dev == NULL) { - mutex_unlock(&rio500_mutex); - return -ENODEV; - } - - ibuf = rio->ibuf; - - read_count = 0; - - - while (count > 0) { - if (signal_pending(current)) { - mutex_unlock(&rio500_mutex); - return read_count ? read_count : -EINTR; - } - if (!rio->rio_dev) { - mutex_unlock(&rio500_mutex); - return -ENODEV; - } - this_read = (count >= IBUF_SIZE) ? IBUF_SIZE : count; - - result = usb_bulk_msg(rio->rio_dev, - usb_rcvbulkpipe(rio->rio_dev, 1), - ibuf, this_read, &partial, - 8000); - - dev_dbg(&rio->rio_dev->dev, - "read stats: result:%d this_read:%u partial:%u\n", - result, this_read, partial); - - if (partial) { - count = this_read = partial; - } else if (result == -ETIMEDOUT || result == 15) { /* FIXME: 15 ??? */ - if (!maxretry--) { - mutex_unlock(&rio500_mutex); - dev_err(&rio->rio_dev->dev, - "read_rio: maxretry timeout\n"); - return -ETIME; - } - prepare_to_wait(&rio->wait_q, &wait, TASK_INTERRUPTIBLE); - schedule_timeout(NAK_TIMEOUT); - finish_wait(&rio->wait_q, &wait); - continue; - } else if (result != -EREMOTEIO) { - mutex_unlock(&rio500_mutex); - dev_err(&rio->rio_dev->dev, - "Read Whoops - result:%d partial:%u this_read:%u\n", - result, partial, this_read); - return -EIO; - } else { - mutex_unlock(&rio500_mutex); - return (0); - } - - if (this_read) { - if (copy_to_user(buffer, ibuf, this_read)) { - mutex_unlock(&rio500_mutex); - return -EFAULT; - } - count -= this_read; - read_count += this_read; - buffer += this_read; - } - } - mutex_unlock(&rio500_mutex); - return read_count; -} - -static const struct file_operations usb_rio_fops = { - .owner = THIS_MODULE, - .read = read_rio, - .write = write_rio, - .unlocked_ioctl = ioctl_rio, - .open = open_rio, - .release = close_rio, - .llseek = noop_llseek, -}; - -static struct usb_class_driver usb_rio_class = { - .name = "rio500%d", - .fops = &usb_rio_fops, - .minor_base = RIO_MINOR, -}; - -static int probe_rio(struct usb_interface *intf, - const struct usb_device_id *id) -{ - struct usb_device *dev = interface_to_usbdev(intf); - struct rio_usb_data *rio = &rio_instance; - int retval = -ENOMEM; - char *ibuf, *obuf; - - if (rio->present) { - dev_info(&intf->dev, "Second USB Rio at address %d refused\n", dev->devnum); - return -EBUSY; - } - dev_info(&intf->dev, "USB Rio found at address %d\n", dev->devnum); - - obuf = kmalloc(OBUF_SIZE, GFP_KERNEL); - if (!obuf) { - dev_err(&dev->dev, - "probe_rio: Not enough memory for the output buffer\n"); - goto err_obuf; - } - dev_dbg(&intf->dev, "obuf address: %p\n", obuf); - - ibuf = kmalloc(IBUF_SIZE, GFP_KERNEL); - if (!ibuf) { - dev_err(&dev->dev, - "probe_rio: Not enough memory for the input buffer\n"); - goto err_ibuf; - } - dev_dbg(&intf->dev, "ibuf address: %p\n", ibuf); - - mutex_lock(&rio500_mutex); - rio->rio_dev = dev; - rio->ibuf = ibuf; - rio->obuf = obuf; - rio->present = 1; - mutex_unlock(&rio500_mutex); - - retval = usb_register_dev(intf, &usb_rio_class); - if (retval) { - dev_err(&dev->dev, - "Not able to get a minor for this device.\n"); - goto err_register; - } - - usb_set_intfdata(intf, rio); - return retval; - - err_register: - mutex_lock(&rio500_mutex); - rio->present = 0; - mutex_unlock(&rio500_mutex); - err_ibuf: - kfree(obuf); - err_obuf: - return retval; -} - -static void disconnect_rio(struct usb_interface *intf) -{ - struct rio_usb_data *rio = usb_get_intfdata (intf); - - usb_set_intfdata (intf, NULL); - if (rio) { - usb_deregister_dev(intf, &usb_rio_class); - - mutex_lock(&rio500_mutex); - if (rio->isopen) { - rio->isopen = 0; - /* better let it finish - the release will do whats needed */ - rio->rio_dev = NULL; - mutex_unlock(&rio500_mutex); - return; - } - kfree(rio->ibuf); - kfree(rio->obuf); - - dev_info(&intf->dev, "USB Rio disconnected.\n"); - - rio->present = 0; - mutex_unlock(&rio500_mutex); - } -} - -static const struct usb_device_id rio_table[] = { - { USB_DEVICE(0x0841, 1) }, /* Rio 500 */ - { } /* Terminating entry */ -}; - -MODULE_DEVICE_TABLE (usb, rio_table); - -static struct usb_driver rio_driver = { - .name = "rio500", - .probe = probe_rio, - .disconnect = disconnect_rio, - .id_table = rio_table, -}; - -module_usb_driver(rio_driver); - -MODULE_AUTHOR( DRIVER_AUTHOR ); -MODULE_DESCRIPTION( DRIVER_DESC ); -MODULE_LICENSE("GPL"); - diff --git a/drivers/usb/misc/rio500_usb.h b/drivers/usb/misc/rio500_usb.h deleted file mode 100644 index 6db7a5863496..000000000000 --- a/drivers/usb/misc/rio500_usb.h +++ /dev/null @@ -1,20 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* ---------------------------------------------------------------------- - Copyright (C) 2000 Cesar Miquel (miquel@df.uba.ar) - ---------------------------------------------------------------------- */ - -#define RIO_SEND_COMMAND 0x1 -#define RIO_RECV_COMMAND 0x2 - -#define RIO_DIR_OUT 0x0 -#define RIO_DIR_IN 0x1 - -struct RioCommand { - short length; - int request; - int requesttype; - int value; - int index; - void __user *buffer; - int timeout; -}; diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c index 9ba4a4e68d91..61e9e987fe4a 100644 --- a/drivers/usb/misc/usblcd.c +++ b/drivers/usb/misc/usblcd.c @@ -18,6 +18,7 @@ #include <linux/slab.h> #include <linux/errno.h> #include <linux/mutex.h> +#include <linux/rwsem.h> #include <linux/uaccess.h> #include <linux/usb.h> @@ -29,16 +30,12 @@ #define IOCTL_GET_DRV_VERSION 2 -static DEFINE_MUTEX(lcd_mutex); static const struct usb_device_id id_table[] = { { .idVendor = 0x10D2, .match_flags = USB_DEVICE_ID_MATCH_VENDOR, }, { }, }; MODULE_DEVICE_TABLE(usb, id_table); -static DEFINE_MUTEX(open_disc_mutex); - - struct usb_lcd { struct usb_device *udev; /* init: probe_lcd */ struct usb_interface *interface; /* the interface for @@ -57,6 +54,8 @@ struct usb_lcd { using up all RAM */ struct usb_anchor submitted; /* URBs to wait for before suspend */ + struct rw_semaphore io_rwsem; + unsigned long disconnected:1; }; #define to_lcd_dev(d) container_of(d, struct usb_lcd, kref) @@ -81,40 +80,29 @@ static int lcd_open(struct inode *inode, struct file *file) struct usb_interface *interface; int subminor, r; - mutex_lock(&lcd_mutex); subminor = iminor(inode); interface = usb_find_interface(&lcd_driver, subminor); if (!interface) { - mutex_unlock(&lcd_mutex); - printk(KERN_ERR "USBLCD: %s - error, can't find device for minor %d\n", + pr_err("USBLCD: %s - error, can't find device for minor %d\n", __func__, subminor); return -ENODEV; } - mutex_lock(&open_disc_mutex); dev = usb_get_intfdata(interface); - if (!dev) { - mutex_unlock(&open_disc_mutex); - mutex_unlock(&lcd_mutex); - return -ENODEV; - } /* increment our usage count for the device */ kref_get(&dev->kref); - mutex_unlock(&open_disc_mutex); /* grab a power reference */ r = usb_autopm_get_interface(interface); if (r < 0) { kref_put(&dev->kref, lcd_delete); - mutex_unlock(&lcd_mutex); return r; } /* save our object in the file's private structure */ file->private_data = dev; - mutex_unlock(&lcd_mutex); return 0; } @@ -142,6 +130,13 @@ static ssize_t lcd_read(struct file *file, char __user * buffer, dev = file->private_data; + down_read(&dev->io_rwsem); + + if (dev->disconnected) { + retval = -ENODEV; + goto out_up_io; + } + /* do a blocking bulk read to get data from the device */ retval = usb_bulk_msg(dev->udev, usb_rcvbulkpipe(dev->udev, @@ -158,6 +153,9 @@ static ssize_t lcd_read(struct file *file, char __user * buffer, retval = bytes_read; } +out_up_io: + up_read(&dev->io_rwsem); + return retval; } @@ -173,14 +171,12 @@ static long lcd_ioctl(struct file *file, unsigned int cmd, unsigned long arg) switch (cmd) { case IOCTL_GET_HARD_VERSION: - mutex_lock(&lcd_mutex); bcdDevice = le16_to_cpu((dev->udev)->descriptor.bcdDevice); sprintf(buf, "%1d%1d.%1d%1d", (bcdDevice & 0xF000)>>12, (bcdDevice & 0xF00)>>8, (bcdDevice & 0xF0)>>4, (bcdDevice & 0xF)); - mutex_unlock(&lcd_mutex); if (copy_to_user((void __user *)arg, buf, strlen(buf)) != 0) return -EFAULT; break; @@ -237,11 +233,18 @@ static ssize_t lcd_write(struct file *file, const char __user * user_buffer, if (r < 0) return -EINTR; + down_read(&dev->io_rwsem); + + if (dev->disconnected) { + retval = -ENODEV; + goto err_up_io; + } + /* create a urb, and a buffer for it, and copy the data to the urb */ urb = usb_alloc_urb(0, GFP_KERNEL); if (!urb) { retval = -ENOMEM; - goto err_no_buf; + goto err_up_io; } buf = usb_alloc_coherent(dev->udev, count, GFP_KERNEL, @@ -278,6 +281,7 @@ static ssize_t lcd_write(struct file *file, const char __user * user_buffer, the USB core will eventually free it entirely */ usb_free_urb(urb); + up_read(&dev->io_rwsem); exit: return count; error_unanchor: @@ -285,7 +289,8 @@ error_unanchor: error: usb_free_coherent(dev->udev, count, buf, urb->transfer_dma); usb_free_urb(urb); -err_no_buf: +err_up_io: + up_read(&dev->io_rwsem); up(&dev->limit_sem); return retval; } @@ -325,6 +330,7 @@ static int lcd_probe(struct usb_interface *interface, kref_init(&dev->kref); sema_init(&dev->limit_sem, USB_LCD_CONCURRENT_WRITES); + init_rwsem(&dev->io_rwsem); init_usb_anchor(&dev->submitted); dev->udev = usb_get_dev(interface_to_usbdev(interface)); @@ -365,7 +371,6 @@ static int lcd_probe(struct usb_interface *interface, /* something prevented us from registering this driver */ dev_err(&interface->dev, "Not able to get a minor for this device.\n"); - usb_set_intfdata(interface, NULL); goto error; } @@ -411,17 +416,18 @@ static int lcd_resume(struct usb_interface *intf) static void lcd_disconnect(struct usb_interface *interface) { - struct usb_lcd *dev; + struct usb_lcd *dev = usb_get_intfdata(interface); int minor = interface->minor; - mutex_lock(&open_disc_mutex); - dev = usb_get_intfdata(interface); - usb_set_intfdata(interface, NULL); - mutex_unlock(&open_disc_mutex); - /* give back our minor */ usb_deregister_dev(interface, &lcd_class); + down_write(&dev->io_rwsem); + dev->disconnected = 1; + up_write(&dev->io_rwsem); + + usb_kill_anchored_urbs(&dev->submitted); + /* decrement our usage count */ kref_put(&dev->kref, lcd_delete); diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index 6715a128e6c8..be0505b8b5d4 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -60,6 +60,7 @@ struct usb_yurex { struct kref kref; struct mutex io_mutex; + unsigned long disconnected:1; struct fasync_struct *async_queue; wait_queue_head_t waitq; @@ -107,6 +108,7 @@ static void yurex_delete(struct kref *kref) dev->int_buffer, dev->urb->transfer_dma); usb_free_urb(dev->urb); } + usb_put_intf(dev->interface); usb_put_dev(dev->udev); kfree(dev); } @@ -132,6 +134,7 @@ static void yurex_interrupt(struct urb *urb) switch (status) { case 0: /*success*/ break; + /* The device is terminated or messed up, give up */ case -EOVERFLOW: dev_err(&dev->interface->dev, "%s - overflow with length %d, actual length is %d\n", @@ -140,12 +143,13 @@ static void yurex_interrupt(struct urb *urb) case -ENOENT: case -ESHUTDOWN: case -EILSEQ: - /* The device is terminated, clean up */ + case -EPROTO: + case -ETIME: return; default: dev_err(&dev->interface->dev, "%s - unknown status received: %d\n", __func__, status); - goto exit; + return; } /* handle received message */ @@ -177,7 +181,6 @@ static void yurex_interrupt(struct urb *urb) break; } -exit: retval = usb_submit_urb(dev->urb, GFP_ATOMIC); if (retval) { dev_err(&dev->interface->dev, "%s - usb_submit_urb failed: %d\n", @@ -204,7 +207,7 @@ static int yurex_probe(struct usb_interface *interface, const struct usb_device_ init_waitqueue_head(&dev->waitq); dev->udev = usb_get_dev(interface_to_usbdev(interface)); - dev->interface = interface; + dev->interface = usb_get_intf(interface); /* set up the endpoint information */ iface_desc = interface->cur_altsetting; @@ -315,8 +318,9 @@ static void yurex_disconnect(struct usb_interface *interface) /* prevent more I/O from starting */ usb_poison_urb(dev->urb); + usb_poison_urb(dev->cntl_urb); mutex_lock(&dev->io_mutex); - dev->interface = NULL; + dev->disconnected = 1; mutex_unlock(&dev->io_mutex); /* wakeup waiters */ @@ -404,7 +408,7 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count, dev = file->private_data; mutex_lock(&dev->io_mutex); - if (!dev->interface) { /* already disconnected */ + if (dev->disconnected) { /* already disconnected */ mutex_unlock(&dev->io_mutex); return -ENODEV; } @@ -439,7 +443,7 @@ static ssize_t yurex_write(struct file *file, const char __user *user_buffer, goto error; mutex_lock(&dev->io_mutex); - if (!dev->interface) { /* already disconnected */ + if (dev->disconnected) { /* already disconnected */ mutex_unlock(&dev->io_mutex); retval = -ENODEV; goto error; diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c index c3d5c1206eec..9dd02160cca9 100644 --- a/drivers/usb/mtu3/mtu3_core.c +++ b/drivers/usb/mtu3/mtu3_core.c @@ -16,6 +16,7 @@ #include <linux/platform_device.h> #include "mtu3.h" +#include "mtu3_dr.h" #include "mtu3_debug.h" #include "mtu3_trace.h" diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index 4c3de777ef6c..a3c30b609433 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -162,17 +162,17 @@ void usbhs_usbreq_get_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req) req->bRequest = (val >> 8) & 0xFF; req->bRequestType = (val >> 0) & 0xFF; - req->wValue = usbhs_read(priv, USBVAL); - req->wIndex = usbhs_read(priv, USBINDX); - req->wLength = usbhs_read(priv, USBLENG); + req->wValue = cpu_to_le16(usbhs_read(priv, USBVAL)); + req->wIndex = cpu_to_le16(usbhs_read(priv, USBINDX)); + req->wLength = cpu_to_le16(usbhs_read(priv, USBLENG)); } void usbhs_usbreq_set_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req) { usbhs_write(priv, USBREQ, (req->bRequest << 8) | req->bRequestType); - usbhs_write(priv, USBVAL, req->wValue); - usbhs_write(priv, USBINDX, req->wIndex); - usbhs_write(priv, USBLENG, req->wLength); + usbhs_write(priv, USBVAL, le16_to_cpu(req->wValue)); + usbhs_write(priv, USBINDX, le16_to_cpu(req->wIndex)); + usbhs_write(priv, USBLENG, le16_to_cpu(req->wLength)); usbhs_bset(priv, DCPCTR, SUREQ, SUREQ); } diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h index d1a0a35ecfff..0824099b905e 100644 --- a/drivers/usb/renesas_usbhs/common.h +++ b/drivers/usb/renesas_usbhs/common.h @@ -211,6 +211,7 @@ struct usbhs_priv; /* DCPCTR */ #define BSTS (1 << 15) /* Buffer Status */ #define SUREQ (1 << 14) /* Sending SETUP Token */ +#define INBUFM (1 << 14) /* (PIPEnCTR) Transfer Buffer Monitor */ #define CSSTS (1 << 12) /* CSSTS Status */ #define ACLRM (1 << 9) /* Buffer Auto-Clear Mode */ #define SQCLR (1 << 8) /* Toggle Bit Clear */ diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 2a01ceb71641..86637cd066cf 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -89,7 +89,7 @@ static void __usbhsf_pkt_del(struct usbhs_pkt *pkt) list_del_init(&pkt->node); } -static struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe *pipe) +struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe *pipe) { return list_first_entry_or_null(&pipe->list, struct usbhs_pkt, node); } diff --git a/drivers/usb/renesas_usbhs/fifo.h b/drivers/usb/renesas_usbhs/fifo.h index 88d1816bcda2..c3d3cc35cee0 100644 --- a/drivers/usb/renesas_usbhs/fifo.h +++ b/drivers/usb/renesas_usbhs/fifo.h @@ -97,5 +97,6 @@ void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt, void *buf, int len, int zero, int sequence); struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt); void usbhs_pkt_start(struct usbhs_pipe *pipe); +struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe *pipe); #endif /* RENESAS_USB_FIFO_H */ diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 4d571a5205e2..cd38d74b3223 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -265,7 +265,7 @@ static int usbhsg_recip_handler_std_set_device(struct usbhs_priv *priv, case USB_DEVICE_TEST_MODE: usbhsg_recip_handler_std_control_done(priv, uep, ctrl); udelay(100); - usbhs_sys_set_test_mode(priv, le16_to_cpu(ctrl->wIndex >> 8)); + usbhs_sys_set_test_mode(priv, le16_to_cpu(ctrl->wIndex) >> 8); break; default: usbhsg_recip_handler_std_control_done(priv, uep, ctrl); @@ -315,7 +315,7 @@ static void __usbhsg_recip_send_status(struct usbhsg_gpriv *gpriv, struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(dcp); struct device *dev = usbhsg_gpriv_to_dev(gpriv); struct usb_request *req; - unsigned short *buf; + __le16 *buf; /* alloc new usb_request for recip */ req = usb_ep_alloc_request(&dcp->ep, GFP_ATOMIC); @@ -722,8 +722,7 @@ static int __usbhsg_ep_set_halt_wedge(struct usb_ep *ep, int halt, int wedge) struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv); struct device *dev = usbhsg_gpriv_to_dev(gpriv); unsigned long flags; - - usbhsg_pipe_disable(uep); + int ret = 0; dev_dbg(dev, "set halt %d (pipe %d)\n", halt, usbhs_pipe_number(pipe)); @@ -731,6 +730,18 @@ static int __usbhsg_ep_set_halt_wedge(struct usb_ep *ep, int halt, int wedge) /******************** spin lock ********************/ usbhs_lock(priv, flags); + /* + * According to usb_ep_set_halt()'s description, this function should + * return -EAGAIN if the IN endpoint has any queue or data. Note + * that the usbhs_pipe_is_dir_in() returns false if the pipe is an + * IN endpoint in the gadget mode. + */ + if (!usbhs_pipe_is_dir_in(pipe) && (__usbhsf_pkt_get(pipe) || + usbhs_pipe_contains_transmittable_data(pipe))) { + ret = -EAGAIN; + goto out; + } + if (halt) usbhs_pipe_stall(pipe); else @@ -741,10 +752,11 @@ static int __usbhsg_ep_set_halt_wedge(struct usb_ep *ep, int halt, int wedge) else usbhsg_status_clr(gpriv, USBHSG_STATUS_WEDGE); +out: usbhs_unlock(priv, flags); /******************** spin unlock ******************/ - return 0; + return ret; } static int usbhsg_ep_set_halt(struct usb_ep *ep, int value) diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c index c4922b96c93b..9e5afdde1adb 100644 --- a/drivers/usb/renesas_usbhs/pipe.c +++ b/drivers/usb/renesas_usbhs/pipe.c @@ -277,6 +277,21 @@ int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe) return -EBUSY; } +bool usbhs_pipe_contains_transmittable_data(struct usbhs_pipe *pipe) +{ + u16 val; + + /* Do not support for DCP pipe */ + if (usbhs_pipe_is_dcp(pipe)) + return false; + + val = usbhsp_pipectrl_get(pipe); + if (val & INBUFM) + return true; + + return false; +} + /* * PID ctrl */ diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h index 3080423e600c..3b130529408b 100644 --- a/drivers/usb/renesas_usbhs/pipe.h +++ b/drivers/usb/renesas_usbhs/pipe.h @@ -83,6 +83,7 @@ void usbhs_pipe_clear(struct usbhs_pipe *pipe); void usbhs_pipe_clear_without_sequence(struct usbhs_pipe *pipe, int needs_bfre, int bfre_enable); int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe); +bool usbhs_pipe_contains_transmittable_data(struct usbhs_pipe *pipe); void usbhs_pipe_enable(struct usbhs_pipe *pipe); void usbhs_pipe_disable(struct usbhs_pipe *pipe); void usbhs_pipe_stall(struct usbhs_pipe *pipe); diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index f0688c44b04c..25e81faf4c24 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1030,6 +1030,9 @@ static const struct usb_device_id id_table_combined[] = { /* EZPrototypes devices */ { USB_DEVICE(EZPROTOTYPES_VID, HJELMSLUND_USB485_ISO_PID) }, { USB_DEVICE_INTERFACE_NUMBER(UNJO_VID, UNJO_ISODEBUG_V1_PID, 1) }, + /* Sienna devices */ + { USB_DEVICE(FTDI_VID, FTDI_SIENNA_PID) }, + { USB_DEVICE(ECHELON_VID, ECHELON_U20_PID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index f12d806220b4..22d66217cb41 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -39,6 +39,9 @@ #define FTDI_LUMEL_PD12_PID 0x6002 +/* Sienna Serial Interface by Secyourit GmbH */ +#define FTDI_SIENNA_PID 0x8348 + /* Cyber Cortex AV by Fabulous Silicon (http://fabuloussilicon.com) */ #define CYBER_CORTEX_AV_PID 0x8698 @@ -689,6 +692,12 @@ #define BANDB_ZZ_PROG1_USB_PID 0xBA02 /* + * Echelon USB Serial Interface + */ +#define ECHELON_VID 0x0920 +#define ECHELON_U20_PID 0x7500 + +/* * Intrepid Control Systems (http://www.intrepidcs.com/) ValueCAN and NeoVI */ #define INTREPID_VID 0x093C diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index d34779fe4a8d..e66a59ef43a1 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -1741,8 +1741,8 @@ static struct urb *keyspan_setup_urb(struct usb_serial *serial, int endpoint, ep_desc = find_ep(serial, endpoint); if (!ep_desc) { - /* leak the urb, something's wrong and the callers don't care */ - return urb; + usb_free_urb(urb); + return NULL; } if (usb_endpoint_xfer_int(ep_desc)) { ep_type_name = "INT"; diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 38e920ac7f82..06ab016be0b6 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -419,6 +419,7 @@ static void option_instat_callback(struct urb *urb); #define CINTERION_PRODUCT_PH8_AUDIO 0x0083 #define CINTERION_PRODUCT_AHXX_2RMNET 0x0084 #define CINTERION_PRODUCT_AHXX_AUDIO 0x0085 +#define CINTERION_PRODUCT_CLS8 0x00b0 /* Olivetti products */ #define OLIVETTI_VENDOR_ID 0x0b3c @@ -1154,6 +1155,14 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) | RSVD(3) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG5, 0xff), .driver_info = RSVD(0) | RSVD(1) | NCTRL(2) | RSVD(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1050, 0xff), /* Telit FN980 (rmnet) */ + .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1051, 0xff), /* Telit FN980 (MBIM) */ + .driver_info = NCTRL(0) | RSVD(1) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1052, 0xff), /* Telit FN980 (RNDIS) */ + .driver_info = NCTRL(2) | RSVD(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1053, 0xff), /* Telit FN980 (ECM) */ + .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910), .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM), @@ -1847,6 +1856,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(4) }, { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX_2RMNET, 0xff) }, { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX_AUDIO, 0xff) }, + { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_CLS8, 0xff), + .driver_info = RSVD(0) | RSVD(4) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) }, { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDM) }, diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index dd0ad67aa71e..ef23acc9b9ce 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -776,7 +776,6 @@ static void ti_close(struct usb_serial_port *port) struct ti_port *tport; int port_number; int status; - int do_unlock; unsigned long flags; tdev = usb_get_serial_data(port->serial); @@ -800,16 +799,13 @@ static void ti_close(struct usb_serial_port *port) "%s - cannot send close port command, %d\n" , __func__, status); - /* if mutex_lock is interrupted, continue anyway */ - do_unlock = !mutex_lock_interruptible(&tdev->td_open_close_lock); - --tport->tp_tdev->td_open_port_count; - if (tport->tp_tdev->td_open_port_count <= 0) { + mutex_lock(&tdev->td_open_close_lock); + --tdev->td_open_port_count; + if (tdev->td_open_port_count == 0) { /* last port is closed, shut down interrupt urb */ usb_kill_urb(port->serial->port[0]->interrupt_in_urb); - tport->tp_tdev->td_open_port_count = 0; } - if (do_unlock) - mutex_unlock(&tdev->td_open_close_lock); + mutex_unlock(&tdev->td_open_close_lock); } diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index a3179fea38c8..8f066bb55d7d 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -314,10 +314,7 @@ static void serial_cleanup(struct tty_struct *tty) serial = port->serial; owner = serial->type->driver.owner; - mutex_lock(&serial->disc_mutex); - if (!serial->disconnected) - usb_autopm_put_interface(serial->interface); - mutex_unlock(&serial->disc_mutex); + usb_autopm_put_interface(serial->interface); usb_serial_put(serial); module_put(owner); diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c index 79314d8c94a4..ca3bd58f2025 100644 --- a/drivers/usb/serial/whiteheat.c +++ b/drivers/usb/serial/whiteheat.c @@ -559,6 +559,10 @@ static int firm_send_command(struct usb_serial_port *port, __u8 command, command_port = port->serial->port[COMMAND_PORT]; command_info = usb_get_serial_port_data(command_port); + + if (command_port->bulk_out_size < datasize + 1) + return -EIO; + mutex_lock(&command_info->mutex); command_info->command_finished = false; @@ -632,6 +636,7 @@ static void firm_setup_port(struct tty_struct *tty) struct device *dev = &port->dev; struct whiteheat_port_settings port_settings; unsigned int cflag = tty->termios.c_cflag; + speed_t baud; port_settings.port = port->port_number + 1; @@ -692,11 +697,13 @@ static void firm_setup_port(struct tty_struct *tty) dev_dbg(dev, "%s - XON = %2x, XOFF = %2x\n", __func__, port_settings.xon, port_settings.xoff); /* get the baud rate wanted */ - port_settings.baud = tty_get_baud_rate(tty); - dev_dbg(dev, "%s - baud rate = %d\n", __func__, port_settings.baud); + baud = tty_get_baud_rate(tty); + port_settings.baud = cpu_to_le32(baud); + dev_dbg(dev, "%s - baud rate = %u\n", __func__, baud); /* fixme: should set validated settings */ - tty_encode_baud_rate(tty, port_settings.baud, port_settings.baud); + tty_encode_baud_rate(tty, baud, baud); + /* handle any settings that aren't specified in the tty structure */ port_settings.lloop = 0; diff --git a/drivers/usb/serial/whiteheat.h b/drivers/usb/serial/whiteheat.h index 00398149cd8d..269e727a92f9 100644 --- a/drivers/usb/serial/whiteheat.h +++ b/drivers/usb/serial/whiteheat.h @@ -87,7 +87,7 @@ struct whiteheat_simple { struct whiteheat_port_settings { __u8 port; /* port number (1 to N) */ - __u32 baud; /* any value 7 - 460800, firmware calculates + __le32 baud; /* any value 7 - 460800, firmware calculates best fit; arrives little endian */ __u8 bits; /* 5, 6, 7, or 8 */ __u8 stop; /* 1 or 2, default 1 (2 = 1.5 if bits = 5) */ diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 6737fab94959..54a3c8195c96 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -68,7 +68,6 @@ static const char* host_info(struct Scsi_Host *host) static int slave_alloc (struct scsi_device *sdev) { struct us_data *us = host_to_us(sdev->host); - int maxp; /* * Set the INQUIRY transfer length to 36. We don't use any of @@ -78,15 +77,6 @@ static int slave_alloc (struct scsi_device *sdev) sdev->inquiry_len = 36; /* - * USB has unusual scatter-gather requirements: the length of each - * scatterlist element except the last must be divisible by the - * Bulk maxpacket value. Fortunately this value is always a - * power of 2. Inform the block layer about this requirement. - */ - maxp = usb_maxpacket(us->pusb_dev, us->recv_bulk_pipe, 0); - blk_queue_virt_boundary(sdev->request_queue, maxp - 1); - - /* * Some host controllers may have alignment requirements. * We'll play it safe by requiring 512-byte alignment always. */ diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index bf80d6f81f58..34538253f12c 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -789,30 +789,10 @@ static int uas_slave_alloc(struct scsi_device *sdev) { struct uas_dev_info *devinfo = (struct uas_dev_info *)sdev->host->hostdata; - int maxp; sdev->hostdata = devinfo; /* - * We have two requirements here. We must satisfy the requirements - * of the physical HC and the demands of the protocol, as we - * definitely want no additional memory allocation in this path - * ruling out using bounce buffers. - * - * For a transmission on USB to continue we must never send - * a package that is smaller than maxpacket. Hence the length of each - * scatterlist element except the last must be divisible by the - * Bulk maxpacket value. - * If the HC does not ensure that through SG, - * the upper layer must do that. We must assume nothing - * about the capabilities off the HC, so we use the most - * pessimistic requirement. - */ - - maxp = usb_maxpacket(devinfo->udev, devinfo->data_in_pipe, 0); - blk_queue_virt_boundary(sdev->request_queue, maxp - 1); - - /* * The protocol has no requirements on alignment in the strict sense. * Controllers may or may not have alignment restrictions. * As this is not exported, we use an extremely conservative guess. diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 96562744101c..5f61d9977a15 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -4409,18 +4409,20 @@ static int tcpm_fw_get_caps(struct tcpm_port *port, /* USB data support is optional */ ret = fwnode_property_read_string(fwnode, "data-role", &cap_str); if (ret == 0) { - port->typec_caps.data = typec_find_port_data_role(cap_str); - if (port->typec_caps.data < 0) - return -EINVAL; + ret = typec_find_port_data_role(cap_str); + if (ret < 0) + return ret; + port->typec_caps.data = ret; } ret = fwnode_property_read_string(fwnode, "power-role", &cap_str); if (ret < 0) return ret; - port->typec_caps.type = typec_find_port_power_role(cap_str); - if (port->typec_caps.type < 0) - return -EINVAL; + ret = typec_find_port_power_role(cap_str); + if (ret < 0) + return ret; + port->typec_caps.type = ret; port->port_type = port->typec_caps.type; if (port->port_type == TYPEC_PORT_SNK) diff --git a/drivers/usb/typec/ucsi/displayport.c b/drivers/usb/typec/ucsi/displayport.c index 6c103697c582..d99700cb4dca 100644 --- a/drivers/usb/typec/ucsi/displayport.c +++ b/drivers/usb/typec/ucsi/displayport.c @@ -75,6 +75,8 @@ static int ucsi_displayport_enter(struct typec_altmode *alt) if (cur != 0xff) { mutex_unlock(&dp->con->lock); + if (dp->con->port_altmode[cur] == alt) + return 0; return -EBUSY; } diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c index 907e20e1a71e..d772fce51905 100644 --- a/drivers/usb/typec/ucsi/ucsi_ccg.c +++ b/drivers/usb/typec/ucsi/ucsi_ccg.c @@ -195,7 +195,6 @@ struct ucsi_ccg { /* fw build with vendor information */ u16 fw_build; - bool run_isr; /* flag to call ISR routine during resume */ struct work_struct pm_work; }; @@ -224,18 +223,6 @@ static int ccg_read(struct ucsi_ccg *uc, u16 rab, u8 *data, u32 len) if (quirks && quirks->max_read_len) max_read_len = quirks->max_read_len; - if (uc->fw_build == CCG_FW_BUILD_NVIDIA && - uc->fw_version <= CCG_OLD_FW_VERSION) { - mutex_lock(&uc->lock); - /* - * Do not schedule pm_work to run ISR in - * ucsi_ccg_runtime_resume() after pm_runtime_get_sync() - * since we are already in ISR path. - */ - uc->run_isr = false; - mutex_unlock(&uc->lock); - } - pm_runtime_get_sync(uc->dev); while (rem_len > 0) { msgs[1].buf = &data[len - rem_len]; @@ -278,18 +265,6 @@ static int ccg_write(struct ucsi_ccg *uc, u16 rab, u8 *data, u32 len) msgs[0].len = len + sizeof(rab); msgs[0].buf = buf; - if (uc->fw_build == CCG_FW_BUILD_NVIDIA && - uc->fw_version <= CCG_OLD_FW_VERSION) { - mutex_lock(&uc->lock); - /* - * Do not schedule pm_work to run ISR in - * ucsi_ccg_runtime_resume() after pm_runtime_get_sync() - * since we are already in ISR path. - */ - uc->run_isr = false; - mutex_unlock(&uc->lock); - } - pm_runtime_get_sync(uc->dev); status = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); if (status < 0) { @@ -1130,7 +1105,6 @@ static int ucsi_ccg_probe(struct i2c_client *client, uc->ppm.sync = ucsi_ccg_sync; uc->dev = dev; uc->client = client; - uc->run_isr = true; mutex_init(&uc->lock); INIT_WORK(&uc->work, ccg_update_firmware); INIT_WORK(&uc->pm_work, ccg_pm_workaround_work); @@ -1188,6 +1162,8 @@ static int ucsi_ccg_probe(struct i2c_client *client, pm_runtime_set_active(uc->dev); pm_runtime_enable(uc->dev); + pm_runtime_use_autosuspend(uc->dev); + pm_runtime_set_autosuspend_delay(uc->dev, 5000); pm_runtime_idle(uc->dev); return 0; @@ -1229,7 +1205,6 @@ static int ucsi_ccg_runtime_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct ucsi_ccg *uc = i2c_get_clientdata(client); - bool schedule = true; /* * Firmware version 3.1.10 or earlier, built for NVIDIA has known issue @@ -1237,17 +1212,8 @@ static int ucsi_ccg_runtime_resume(struct device *dev) * Schedule a work to call ISR as a workaround. */ if (uc->fw_build == CCG_FW_BUILD_NVIDIA && - uc->fw_version <= CCG_OLD_FW_VERSION) { - mutex_lock(&uc->lock); - if (!uc->run_isr) { - uc->run_isr = true; - schedule = false; - } - mutex_unlock(&uc->lock); - - if (schedule) - schedule_work(&uc->pm_work); - } + uc->fw_version <= CCG_OLD_FW_VERSION) + schedule_work(&uc->pm_work); return 0; } diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c index c31d17d05810..2dc58766273a 100644 --- a/drivers/usb/usb-skeleton.c +++ b/drivers/usb/usb-skeleton.c @@ -61,6 +61,7 @@ struct usb_skel { spinlock_t err_lock; /* lock for errors */ struct kref kref; struct mutex io_mutex; /* synchronize I/O with disconnect */ + unsigned long disconnected:1; wait_queue_head_t bulk_in_wait; /* to wait for an ongoing read */ }; #define to_skel_dev(d) container_of(d, struct usb_skel, kref) @@ -73,6 +74,7 @@ static void skel_delete(struct kref *kref) struct usb_skel *dev = to_skel_dev(kref); usb_free_urb(dev->bulk_in_urb); + usb_put_intf(dev->interface); usb_put_dev(dev->udev); kfree(dev->bulk_in_buffer); kfree(dev); @@ -124,10 +126,7 @@ static int skel_release(struct inode *inode, struct file *file) return -ENODEV; /* allow the device to be autosuspended */ - mutex_lock(&dev->io_mutex); - if (dev->interface) - usb_autopm_put_interface(dev->interface); - mutex_unlock(&dev->io_mutex); + usb_autopm_put_interface(dev->interface); /* decrement the count on our device */ kref_put(&dev->kref, skel_delete); @@ -231,8 +230,7 @@ static ssize_t skel_read(struct file *file, char *buffer, size_t count, dev = file->private_data; - /* if we cannot read at all, return EOF */ - if (!dev->bulk_in_urb || !count) + if (!count) return 0; /* no concurrent readers */ @@ -240,7 +238,7 @@ static ssize_t skel_read(struct file *file, char *buffer, size_t count, if (rv < 0) return rv; - if (!dev->interface) { /* disconnect() was called */ + if (dev->disconnected) { /* disconnect() was called */ rv = -ENODEV; goto exit; } @@ -422,7 +420,7 @@ static ssize_t skel_write(struct file *file, const char *user_buffer, /* this lock makes sure we don't submit URBs to gone devices */ mutex_lock(&dev->io_mutex); - if (!dev->interface) { /* disconnect() was called */ + if (dev->disconnected) { /* disconnect() was called */ mutex_unlock(&dev->io_mutex); retval = -ENODEV; goto error; @@ -507,7 +505,7 @@ static int skel_probe(struct usb_interface *interface, init_waitqueue_head(&dev->bulk_in_wait); dev->udev = usb_get_dev(interface_to_usbdev(interface)); - dev->interface = interface; + dev->interface = usb_get_intf(interface); /* set up the endpoint information */ /* use only the first bulk-in and bulk-out endpoints */ @@ -573,9 +571,10 @@ static void skel_disconnect(struct usb_interface *interface) /* prevent more I/O from starting */ mutex_lock(&dev->io_mutex); - dev->interface = NULL; + dev->disconnected = 1; mutex_unlock(&dev->io_mutex); + usb_kill_urb(dev->bulk_in_urb); usb_kill_anchored_urbs(&dev->submitted); /* decrement our usage count */ diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c index 585a84d319bd..65850e9c7190 100644 --- a/drivers/usb/usbip/vhci_hcd.c +++ b/drivers/usb/usbip/vhci_hcd.c @@ -1195,12 +1195,12 @@ static int vhci_start(struct usb_hcd *hcd) if (id == 0 && usb_hcd_is_primary_hcd(hcd)) { err = vhci_init_attr_group(); if (err) { - pr_err("init attr group\n"); + dev_err(hcd_dev(hcd), "init attr group failed, err = %d\n", err); return err; } err = sysfs_create_group(&hcd_dev(hcd)->kobj, &vhci_attr_group); if (err) { - pr_err("create sysfs files\n"); + dev_err(hcd_dev(hcd), "create sysfs files failed, err = %d\n", err); vhci_finish_attr_group(); return err; } diff --git a/drivers/usb/usbip/vhci_tx.c b/drivers/usb/usbip/vhci_tx.c index c3803785f6ef..0ae40a13a9fe 100644 --- a/drivers/usb/usbip/vhci_tx.c +++ b/drivers/usb/usbip/vhci_tx.c @@ -147,7 +147,10 @@ static int vhci_send_cmd_submit(struct vhci_device *vdev) } kfree(iov); + /* This is only for isochronous case */ kfree(iso_buffer); + iso_buffer = NULL; + usbip_dbg_vhci_tx("send txdata\n"); total_size += txsize; diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index 96fddc1dafc3..d864277ea16f 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -1658,7 +1658,7 @@ static int vfio_iommu_type1_attach_group(void *iommu_data, struct bus_type *bus = NULL; int ret; bool resv_msi, msi_remap; - phys_addr_t resv_msi_base; + phys_addr_t resv_msi_base = 0; struct iommu_domain_geometry geo; LIST_HEAD(iova_copy); LIST_HEAD(group_resv_regions); diff --git a/drivers/vhost/test.c b/drivers/vhost/test.c index 7804869c6a31..056308008288 100644 --- a/drivers/vhost/test.c +++ b/drivers/vhost/test.c @@ -161,6 +161,7 @@ static int vhost_test_release(struct inode *inode, struct file *f) vhost_test_stop(n, &private); vhost_test_flush(n); + vhost_dev_stop(&n->dev); vhost_dev_cleanup(&n->dev); /* We do an extra flush before freeing memory, * since jobs can re-queue themselves. */ @@ -237,6 +238,7 @@ static long vhost_test_reset_owner(struct vhost_test *n) } vhost_test_stop(n, &priv); vhost_test_flush(n); + vhost_dev_stop(&n->dev); vhost_dev_reset_owner(&n->dev, umem); done: mutex_unlock(&n->dev.mutex); diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c index 08ad0d1f0476..a0a2d74967ef 100644 --- a/drivers/vhost/vringh.c +++ b/drivers/vhost/vringh.c @@ -852,6 +852,12 @@ static inline int xfer_kern(void *src, void *dst, size_t len) return 0; } +static inline int kern_xfer(void *dst, void *src, size_t len) +{ + memcpy(dst, src, len); + return 0; +} + /** * vringh_init_kern - initialize a vringh for a kernelspace vring. * @vrh: the vringh to initialize. @@ -958,7 +964,7 @@ EXPORT_SYMBOL(vringh_iov_pull_kern); ssize_t vringh_iov_push_kern(struct vringh_kiov *wiov, const void *src, size_t len) { - return vringh_iov_xfer(wiov, (void *)src, len, xfer_kern); + return vringh_iov_xfer(wiov, (void *)src, len, kern_xfer); } EXPORT_SYMBOL(vringh_iov_push_kern); diff --git a/drivers/video/fbdev/c2p_core.h b/drivers/video/fbdev/c2p_core.h index e1035a865fb9..45a6d895a7d7 100644 --- a/drivers/video/fbdev/c2p_core.h +++ b/drivers/video/fbdev/c2p_core.h @@ -29,7 +29,7 @@ static inline void _transp(u32 d[], unsigned int i1, unsigned int i2, extern void c2p_unsupported(void); -static inline u32 get_mask(unsigned int n) +static __always_inline u32 get_mask(unsigned int n) { switch (n) { case 1: @@ -57,7 +57,7 @@ static inline u32 get_mask(unsigned int n) * Transpose operations on 8 32-bit words */ -static inline void transp8(u32 d[], unsigned int n, unsigned int m) +static __always_inline void transp8(u32 d[], unsigned int n, unsigned int m) { u32 mask = get_mask(n); @@ -99,7 +99,7 @@ static inline void transp8(u32 d[], unsigned int n, unsigned int m) * Transpose operations on 4 32-bit words */ -static inline void transp4(u32 d[], unsigned int n, unsigned int m) +static __always_inline void transp4(u32 d[], unsigned int n, unsigned int m) { u32 mask = get_mask(n); @@ -126,7 +126,7 @@ static inline void transp4(u32 d[], unsigned int n, unsigned int m) * Transpose operations on 4 32-bit words (reverse order) */ -static inline void transp4x(u32 d[], unsigned int n, unsigned int m) +static __always_inline void transp4x(u32 d[], unsigned int n, unsigned int m) { u32 mask = get_mask(n); diff --git a/drivers/virt/vboxguest/vboxguest_utils.c b/drivers/virt/vboxguest/vboxguest_utils.c index 75fd140b02ff..43c391626a00 100644 --- a/drivers/virt/vboxguest/vboxguest_utils.c +++ b/drivers/virt/vboxguest/vboxguest_utils.c @@ -220,6 +220,8 @@ static int hgcm_call_preprocess_linaddr( if (!bounce_buf) return -ENOMEM; + *bounce_buf_ret = bounce_buf; + if (copy_in) { ret = copy_from_user(bounce_buf, (void __user *)buf, len); if (ret) @@ -228,7 +230,6 @@ static int hgcm_call_preprocess_linaddr( memset(bounce_buf, 0, len); } - *bounce_buf_ret = bounce_buf; hgcm_call_add_pagelist_size(bounce_buf, len, extra); return 0; } diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 226fbb995fb0..e05679c478e2 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -772,6 +772,13 @@ static unsigned long shrink_free_pages(struct virtio_balloon *vb, return blocks_freed << VIRTIO_BALLOON_FREE_PAGE_ORDER; } +static unsigned long leak_balloon_pages(struct virtio_balloon *vb, + unsigned long pages_to_free) +{ + return leak_balloon(vb, pages_to_free * VIRTIO_BALLOON_PAGES_PER_PAGE) / + VIRTIO_BALLOON_PAGES_PER_PAGE; +} + static unsigned long shrink_balloon_pages(struct virtio_balloon *vb, unsigned long pages_to_free) { @@ -782,11 +789,10 @@ static unsigned long shrink_balloon_pages(struct virtio_balloon *vb, * VIRTIO_BALLOON_ARRAY_PFNS_MAX balloon pages, so we call it * multiple times to deflate pages till reaching pages_to_free. */ - while (vb->num_pages && pages_to_free) { - pages_freed += leak_balloon(vb, pages_to_free) / - VIRTIO_BALLOON_PAGES_PER_PAGE; - pages_to_free -= pages_freed; - } + while (vb->num_pages && pages_freed < pages_to_free) + pages_freed += leak_balloon_pages(vb, + pages_to_free - pages_freed); + update_balloon_size(vb); return pages_freed; @@ -799,7 +805,7 @@ static unsigned long virtio_balloon_shrinker_scan(struct shrinker *shrinker, struct virtio_balloon *vb = container_of(shrinker, struct virtio_balloon, shrinker); - pages_to_free = sc->nr_to_scan * VIRTIO_BALLOON_PAGES_PER_PAGE; + pages_to_free = sc->nr_to_scan; if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT)) pages_freed = shrink_free_pages(vb, pages_to_free); @@ -820,7 +826,7 @@ static unsigned long virtio_balloon_shrinker_count(struct shrinker *shrinker, unsigned long count; count = vb->num_pages / VIRTIO_BALLOON_PAGES_PER_PAGE; - count += vb->num_free_page_blocks >> VIRTIO_BALLOON_FREE_PAGE_ORDER; + count += vb->num_free_page_blocks << VIRTIO_BALLOON_FREE_PAGE_ORDER; return count; } diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index bdc08244a648..867c7ebd3f10 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -583,7 +583,7 @@ unmap_release: kfree(desc); END_USE(vq); - return -EIO; + return -ENOMEM; } static bool virtqueue_kick_prepare_split(struct virtqueue *_vq) @@ -1085,7 +1085,7 @@ unmap_release: kfree(desc); END_USE(vq); - return -EIO; + return -ENOMEM; } static inline int virtqueue_add_packed(struct virtqueue *_vq, @@ -1499,9 +1499,6 @@ static bool virtqueue_enable_cb_delayed_packed(struct virtqueue *_vq) * counter first before updating event flags. */ virtio_wmb(vq->weak_barriers); - } else { - used_idx = vq->last_used_idx; - wrap_counter = vq->packed.used_wrap_counter; } if (vq->packed.event_flags_shadow == VRING_PACKED_EVENT_FLAG_DISABLE) { @@ -1518,7 +1515,9 @@ static bool virtqueue_enable_cb_delayed_packed(struct virtqueue *_vq) */ virtio_mb(vq->weak_barriers); - if (is_used_desc_packed(vq, used_idx, wrap_counter)) { + if (is_used_desc_packed(vq, + vq->last_used_idx, + vq->packed.used_wrap_counter)) { END_USE(vq); return false; } diff --git a/drivers/w1/slaves/Kconfig b/drivers/w1/slaves/Kconfig index ebed495b9e69..b7847636501d 100644 --- a/drivers/w1/slaves/Kconfig +++ b/drivers/w1/slaves/Kconfig @@ -103,6 +103,7 @@ config W1_SLAVE_DS2438 config W1_SLAVE_DS250X tristate "512b/1kb/16kb EPROM family support" + select CRC16 help Say Y here if you want to use a 1-wire 512b/1kb/16kb EPROM family device (DS250x). diff --git a/drivers/watchdog/bd70528_wdt.c b/drivers/watchdog/bd70528_wdt.c index b0152fef4fc7..bc60e036627a 100644 --- a/drivers/watchdog/bd70528_wdt.c +++ b/drivers/watchdog/bd70528_wdt.c @@ -288,3 +288,4 @@ module_platform_driver(bd70528_wdt); MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>"); MODULE_DESCRIPTION("BD70528 watchdog driver"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:bd70528-wdt"); diff --git a/drivers/watchdog/cpwd.c b/drivers/watchdog/cpwd.c index 9393be584e72..808eeb4779e4 100644 --- a/drivers/watchdog/cpwd.c +++ b/drivers/watchdog/cpwd.c @@ -26,6 +26,7 @@ #include <linux/interrupt.h> #include <linux/ioport.h> #include <linux/timer.h> +#include <linux/compat.h> #include <linux/slab.h> #include <linux/mutex.h> #include <linux/io.h> @@ -473,6 +474,11 @@ static long cpwd_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return 0; } +static long cpwd_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + return cpwd_ioctl(file, cmd, (unsigned long)compat_ptr(arg)); +} + static ssize_t cpwd_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { @@ -497,7 +503,7 @@ static ssize_t cpwd_read(struct file *file, char __user *buffer, static const struct file_operations cpwd_fops = { .owner = THIS_MODULE, .unlocked_ioctl = cpwd_ioctl, - .compat_ioctl = compat_ptr_ioctl, + .compat_ioctl = cpwd_compat_ioctl, .open = cpwd_open, .write = cpwd_write, .read = cpwd_read, diff --git a/drivers/watchdog/imx_sc_wdt.c b/drivers/watchdog/imx_sc_wdt.c index 7ea5cf54e94a..8ed89f032ebf 100644 --- a/drivers/watchdog/imx_sc_wdt.c +++ b/drivers/watchdog/imx_sc_wdt.c @@ -99,8 +99,14 @@ static int imx_sc_wdt_set_pretimeout(struct watchdog_device *wdog, { struct arm_smccc_res res; + /* + * SCU firmware calculates pretimeout based on current time + * stamp instead of watchdog timeout stamp, need to convert + * the pretimeout to SCU firmware's timeout value. + */ arm_smccc_smc(IMX_SIP_TIMER, IMX_SIP_TIMER_SET_PRETIME_WDOG, - pretimeout * 1000, 0, 0, 0, 0, 0, &res); + (wdog->timeout - pretimeout) * 1000, 0, 0, 0, + 0, 0, &res); if (res.a0) return -EACCES; diff --git a/drivers/watchdog/meson_gxbb_wdt.c b/drivers/watchdog/meson_gxbb_wdt.c index d17c1a6ed723..5a9ca10fbcfa 100644 --- a/drivers/watchdog/meson_gxbb_wdt.c +++ b/drivers/watchdog/meson_gxbb_wdt.c @@ -89,8 +89,8 @@ static unsigned int meson_gxbb_wdt_get_timeleft(struct watchdog_device *wdt_dev) reg = readl(data->reg_base + GXBB_WDT_TCNT_REG); - return ((reg >> GXBB_WDT_TCNT_CNT_SHIFT) - - (reg & GXBB_WDT_TCNT_SETUP_MASK)) / 1000; + return ((reg & GXBB_WDT_TCNT_SETUP_MASK) - + (reg >> GXBB_WDT_TCNT_CNT_SHIFT)) / 1000; } static const struct watchdog_ops meson_gxbb_wdt_ops = { diff --git a/drivers/watchdog/pm8916_wdt.c b/drivers/watchdog/pm8916_wdt.c index 2d3652004e39..1213179f863c 100644 --- a/drivers/watchdog/pm8916_wdt.c +++ b/drivers/watchdog/pm8916_wdt.c @@ -163,9 +163,17 @@ static int pm8916_wdt_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq > 0) { - if (devm_request_irq(dev, irq, pm8916_wdt_isr, 0, "pm8916_wdt", - wdt)) - irq = 0; + err = devm_request_irq(dev, irq, pm8916_wdt_isr, 0, + "pm8916_wdt", wdt); + if (err) + return err; + + wdt->wdev.info = &pm8916_wdt_pt_ident; + } else { + if (irq == -EPROBE_DEFER) + return -EPROBE_DEFER; + + wdt->wdev.info = &pm8916_wdt_ident; } /* Configure watchdog to hard-reset mode */ @@ -177,7 +185,6 @@ static int pm8916_wdt_probe(struct platform_device *pdev) return err; } - wdt->wdev.info = (irq > 0) ? &pm8916_wdt_pt_ident : &pm8916_wdt_ident, wdt->wdev.ops = &pm8916_wdt_ops, wdt->wdev.parent = dev; wdt->wdev.min_timeout = PM8916_WDT_MIN_TIMEOUT; diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index a446a7221e13..81401f386c9c 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -22,6 +22,7 @@ #define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt +#include <linux/dma-mapping.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -34,9 +35,6 @@ #include <linux/slab.h> #include <linux/highmem.h> #include <linux/refcount.h> -#ifdef CONFIG_XEN_GRANT_DMA_ALLOC -#include <linux/of_device.h> -#endif #include <xen/xen.h> #include <xen/grant_table.h> @@ -625,14 +623,7 @@ static int gntdev_open(struct inode *inode, struct file *flip) flip->private_data = priv; #ifdef CONFIG_XEN_GRANT_DMA_ALLOC priv->dma_dev = gntdev_miscdev.this_device; - - /* - * The device is not spawn from a device tree, so arch_setup_dma_ops - * is not called, thus leaving the device with dummy DMA ops. - * Fix this by calling of_dma_configure() with a NULL node to set - * default DMA ops. - */ - of_dma_configure(priv->dma_dev, NULL, true); + dma_coerce_mask_and_coherent(priv->dma_dev, DMA_BIT_MASK(64)); #endif pr_debug("priv %p\n", priv); diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c index 7ea6fb6a2e5d..49b381e104ef 100644 --- a/drivers/xen/grant-table.c +++ b/drivers/xen/grant-table.c @@ -1363,8 +1363,7 @@ static int gnttab_setup(void) if (xen_feature(XENFEAT_auto_translated_physmap) && gnttab_shared.addr == NULL) { gnttab_shared.addr = xen_auto_xlat_grant_frames.vaddr; if (gnttab_shared.addr == NULL) { - pr_warn("gnttab share frames (addr=0x%08lx) is not mapped!\n", - (unsigned long)xen_auto_xlat_grant_frames.vaddr); + pr_warn("gnttab share frames is not mapped!\n"); return -ENOMEM; } } diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c index 69a626b0e594..c57c71b7d53d 100644 --- a/drivers/xen/pvcalls-back.c +++ b/drivers/xen/pvcalls-back.c @@ -775,7 +775,7 @@ static int pvcalls_back_poll(struct xenbus_device *dev, mappass->reqcopy = *req; icsk = inet_csk(mappass->sock->sk); queue = &icsk->icsk_accept_queue; - data = queue->rskq_accept_head != NULL; + data = READ_ONCE(queue->rskq_accept_head) != NULL; if (data) { mappass->reqcopy.cmd = 0; ret = 0; |