diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/bus/ti-sysc.c | 21 | ||||
| -rw-r--r-- | drivers/cpufreq/tegra124-cpufreq.c | 59 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/bus.c | 8 | ||||
| -rw-r--r-- | drivers/memory/tegra/tegra30-emc.c | 2 | ||||
| -rw-r--r-- | drivers/soc/aspeed/aspeed-lpc-snoop.c | 4 | ||||
| -rw-r--r-- | drivers/soc/mediatek/mtk-cmdq-helper.c | 2 | ||||
| -rw-r--r-- | drivers/soc/tegra/pmc.c | 47 | ||||
| -rw-r--r-- | drivers/tee/optee/call.c | 7 | ||||
| -rw-r--r-- | drivers/tee/optee/core.c | 20 | ||||
| -rw-r--r-- | drivers/tee/optee/shm_pool.c | 12 |
10 files changed, 158 insertions, 24 deletions
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 97b85493aa43..56887c6877a7 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -1242,6 +1242,8 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = { SYSC_QUIRK_SWSUP_SIDLE), /* Quirks that need to be set based on detected module */ + SYSC_QUIRK("aess", 0, 0, 0x10, -1, 0x40000000, 0xffffffff, + SYSC_MODULE_QUIRK_AESS), SYSC_QUIRK("hdq1w", 0, 0, 0x14, 0x18, 0x00000006, 0xffffffff, SYSC_MODULE_QUIRK_HDQ1W), SYSC_QUIRK("hdq1w", 0, 0, 0x14, 0x18, 0x0000000a, 0xffffffff, @@ -1270,7 +1272,6 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = { #ifdef DEBUG SYSC_QUIRK("adc", 0, 0, 0x10, -1, 0x47300001, 0xffffffff, 0), SYSC_QUIRK("atl", 0, 0, -1, -1, 0x0a070100, 0xffffffff, 0), - SYSC_QUIRK("aess", 0, 0, 0x10, -1, 0x40000000, 0xffffffff, 0), SYSC_QUIRK("cm", 0, 0, -1, -1, 0x40000301, 0xffffffff, 0), SYSC_QUIRK("control", 0, 0, 0x10, -1, 0x40000900, 0xffffffff, 0), SYSC_QUIRK("cpgmac", 0, 0x1200, 0x1208, 0x1204, 0x4edb1902, @@ -1402,6 +1403,14 @@ static void sysc_clk_enable_quirk_hdq1w(struct sysc *ddata) sysc_write(ddata, offset, val); } +/* AESS (Audio Engine SubSystem) needs autogating set after enable */ +static void sysc_module_enable_quirk_aess(struct sysc *ddata) +{ + int offset = 0x7c; /* AESS_AUTO_GATING_ENABLE */ + + sysc_write(ddata, offset, 1); +} + /* I2C needs extra enable bit toggling for reset */ static void sysc_clk_quirk_i2c(struct sysc *ddata, bool enable) { @@ -1484,6 +1493,9 @@ static void sysc_init_module_quirks(struct sysc *ddata) return; } + if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_AESS) + ddata->module_enable_quirk = sysc_module_enable_quirk_aess; + if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_SGX) ddata->module_enable_quirk = sysc_module_enable_quirk_sgx; @@ -1766,9 +1778,8 @@ static int sysc_child_add_named_clock(struct sysc *ddata, clk = clk_get(child, name); if (!IS_ERR(clk)) { - clk_put(clk); - - return -EEXIST; + error = -EEXIST; + goto put_clk; } clk = clk_get(ddata->dev, name); @@ -1778,7 +1789,7 @@ static int sysc_child_add_named_clock(struct sysc *ddata, l = clkdev_create(clk, name, dev_name(child)); if (!l) error = -ENOMEM; - +put_clk: clk_put(clk); return error; diff --git a/drivers/cpufreq/tegra124-cpufreq.c b/drivers/cpufreq/tegra124-cpufreq.c index 4f0c637b3b49..7a1ea6fdcab6 100644 --- a/drivers/cpufreq/tegra124-cpufreq.c +++ b/drivers/cpufreq/tegra124-cpufreq.c @@ -6,6 +6,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/clk.h> +#include <linux/cpufreq.h> #include <linux/err.h> #include <linux/init.h> #include <linux/kernel.h> @@ -128,8 +129,66 @@ out_put_np: return ret; } +static int __maybe_unused tegra124_cpufreq_suspend(struct device *dev) +{ + struct tegra124_cpufreq_priv *priv = dev_get_drvdata(dev); + int err; + + /* + * PLLP rate 408Mhz is below the CPU Fmax at Vmin and is safe to + * use during suspend and resume. So, switch the CPU clock source + * to PLLP and disable DFLL. + */ + err = clk_set_parent(priv->cpu_clk, priv->pllp_clk); + if (err < 0) { + dev_err(dev, "failed to reparent to PLLP: %d\n", err); + return err; + } + + clk_disable_unprepare(priv->dfll_clk); + + return 0; +} + +static int __maybe_unused tegra124_cpufreq_resume(struct device *dev) +{ + struct tegra124_cpufreq_priv *priv = dev_get_drvdata(dev); + int err; + + /* + * Warmboot code powers up the CPU with PLLP clock source. + * Enable DFLL clock and switch CPU clock source back to DFLL. + */ + err = clk_prepare_enable(priv->dfll_clk); + if (err < 0) { + dev_err(dev, "failed to enable DFLL clock for CPU: %d\n", err); + goto disable_cpufreq; + } + + err = clk_set_parent(priv->cpu_clk, priv->dfll_clk); + if (err < 0) { + dev_err(dev, "failed to reparent to DFLL clock: %d\n", err); + goto disable_dfll; + } + + return 0; + +disable_dfll: + clk_disable_unprepare(priv->dfll_clk); +disable_cpufreq: + disable_cpufreq(); + + return err; +} + +static const struct dev_pm_ops tegra124_cpufreq_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(tegra124_cpufreq_suspend, + tegra124_cpufreq_resume) +}; + static struct platform_driver tegra124_cpufreq_platdrv = { .driver.name = "cpufreq-tegra124", + .driver.pm = &tegra124_cpufreq_pm_ops, .probe = tegra124_cpufreq_probe, }; diff --git a/drivers/firmware/arm_scmi/bus.c b/drivers/firmware/arm_scmi/bus.c index 92f843eaf1e0..7a30952b463d 100644 --- a/drivers/firmware/arm_scmi/bus.c +++ b/drivers/firmware/arm_scmi/bus.c @@ -135,8 +135,10 @@ scmi_device_create(struct device_node *np, struct device *parent, int protocol) return NULL; id = ida_simple_get(&scmi_bus_id, 1, 0, GFP_KERNEL); - if (id < 0) - goto free_mem; + if (id < 0) { + kfree(scmi_dev); + return NULL; + } scmi_dev->id = id; scmi_dev->protocol_id = protocol; @@ -154,8 +156,6 @@ scmi_device_create(struct device_node *np, struct device *parent, int protocol) put_dev: put_device(&scmi_dev->dev); ida_simple_remove(&scmi_bus_id, id); -free_mem: - kfree(scmi_dev); return NULL; } diff --git a/drivers/memory/tegra/tegra30-emc.c b/drivers/memory/tegra/tegra30-emc.c index 6929980bf907..0b6a5e451ea3 100644 --- a/drivers/memory/tegra/tegra30-emc.c +++ b/drivers/memory/tegra/tegra30-emc.c @@ -1093,7 +1093,7 @@ static int tegra_emc_probe(struct platform_device *pdev) if (of_get_child_count(pdev->dev.of_node) == 0) { dev_info(&pdev->dev, "device-tree node doesn't have memory timings\n"); - return 0; + return -ENODEV; } np = of_parse_phandle(pdev->dev.of_node, "nvidia,memory-controller", 0); diff --git a/drivers/soc/aspeed/aspeed-lpc-snoop.c b/drivers/soc/aspeed/aspeed-lpc-snoop.c index 48f7ac238861..f3d8d53ab84d 100644 --- a/drivers/soc/aspeed/aspeed-lpc-snoop.c +++ b/drivers/soc/aspeed/aspeed-lpc-snoop.c @@ -97,13 +97,13 @@ static ssize_t snoop_file_read(struct file *file, char __user *buffer, return ret ? ret : copied; } -static unsigned int snoop_file_poll(struct file *file, +static __poll_t snoop_file_poll(struct file *file, struct poll_table_struct *pt) { struct aspeed_lpc_snoop_channel *chan = snoop_file_to_chan(file); poll_wait(file, &chan->wq, pt); - return !kfifo_is_empty(&chan->fifo) ? POLLIN : 0; + return !kfifo_is_empty(&chan->fifo) ? EPOLLIN : 0; } static const struct file_operations snoop_fops = { diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index 7aa0517ff2f3..3c82de5f9417 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -155,7 +155,7 @@ int cmdq_pkt_write_mask(struct cmdq_pkt *pkt, u8 subsys, err = cmdq_pkt_append_command(pkt, CMDQ_CODE_MASK, 0, ~mask); offset_mask |= CMDQ_WRITE_ENABLE_MASK; } - err |= cmdq_pkt_write(pkt, value, subsys, offset_mask); + err |= cmdq_pkt_write(pkt, subsys, offset_mask, value); return err; } diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index 8db63cfba833..ea0e11a09c12 100644 --- a/drivers/soc/tegra/pmc.c +++ b/drivers/soc/tegra/pmc.c @@ -2804,7 +2804,7 @@ static const struct tegra_pmc_regs tegra186_pmc_regs = { .dpd2_status = 0x80, .rst_status = 0x70, .rst_source_shift = 0x2, - .rst_source_mask = 0x3C, + .rst_source_mask = 0x3c, .rst_level_shift = 0x0, .rst_level_mask = 0x3, }; @@ -2926,6 +2926,43 @@ static const struct tegra_io_pad_soc tegra194_io_pads[] = { { .id = TEGRA_IO_PAD_AUDIO_HV, .dpd = 61, .voltage = UINT_MAX }, }; +static const struct tegra_pmc_regs tegra194_pmc_regs = { + .scratch0 = 0x2000, + .dpd_req = 0x74, + .dpd_status = 0x78, + .dpd2_req = 0x7c, + .dpd2_status = 0x80, + .rst_status = 0x70, + .rst_source_shift = 0x2, + .rst_source_mask = 0x7c, + .rst_level_shift = 0x0, + .rst_level_mask = 0x3, +}; + +static const char * const tegra194_reset_sources[] = { + "SYS_RESET_N", + "AOWDT", + "BCCPLEXWDT", + "BPMPWDT", + "SCEWDT", + "SPEWDT", + "APEWDT", + "LCCPLEXWDT", + "SENSOR", + "AOTAG", + "VFSENSOR", + "MAINSWRST", + "SC7", + "HSM", + "CSITE", + "RCEWDT", + "PVA0WDT", + "PVA1WDT", + "L1A_ASYNC", + "BPMPBOOT", + "FUSECRC", +}; + static const struct tegra_wake_event tegra194_wake_events[] = { TEGRA_WAKE_GPIO("power", 29, 1, TEGRA194_AON_GPIO(EE, 4)), TEGRA_WAKE_IRQ("rtc", 73, 10), @@ -2943,9 +2980,15 @@ static const struct tegra_pmc_soc tegra194_pmc_soc = { .maybe_tz_only = false, .num_io_pads = ARRAY_SIZE(tegra194_io_pads), .io_pads = tegra194_io_pads, - .regs = &tegra186_pmc_regs, + .regs = &tegra194_pmc_regs, .init = NULL, .setup_irq_polarity = tegra186_pmc_setup_irq_polarity, + .irq_set_wake = tegra186_pmc_irq_set_wake, + .irq_set_type = tegra186_pmc_irq_set_type, + .reset_sources = tegra194_reset_sources, + .num_reset_sources = ARRAY_SIZE(tegra194_reset_sources), + .reset_levels = tegra186_reset_levels, + .num_reset_levels = ARRAY_SIZE(tegra186_reset_levels), .num_wake_events = ARRAY_SIZE(tegra194_wake_events), .wake_events = tegra194_wake_events, }; diff --git a/drivers/tee/optee/call.c b/drivers/tee/optee/call.c index 13b0269a0abc..cf2367ba08d6 100644 --- a/drivers/tee/optee/call.c +++ b/drivers/tee/optee/call.c @@ -554,6 +554,13 @@ static int check_mem_type(unsigned long start, size_t num_pages) struct mm_struct *mm = current->mm; int rc; + /* + * Allow kernel address to register with OP-TEE as kernel + * pages are configured as normal memory only. + */ + if (virt_addr_valid(start)) + return 0; + down_read(&mm->mmap_sem); rc = __check_mem_type(find_vma(mm, start), start + num_pages * PAGE_SIZE); diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c index 1854a3db7345..b830e0a87fba 100644 --- a/drivers/tee/optee/core.c +++ b/drivers/tee/optee/core.c @@ -643,11 +643,6 @@ static struct optee *optee_probe(struct device_node *np) if (optee->sec_caps & OPTEE_SMC_SEC_CAP_DYNAMIC_SHM) pr_info("dynamic shared memory is enabled\n"); - rc = optee_enumerate_devices(); - if (rc) - goto err; - - pr_info("initialized driver\n"); return optee; err: if (optee) { @@ -702,9 +697,10 @@ static struct optee *optee_svc; static int __init optee_driver_init(void) { - struct device_node *fw_np; - struct device_node *np; - struct optee *optee; + struct device_node *fw_np = NULL; + struct device_node *np = NULL; + struct optee *optee = NULL; + int rc = 0; /* Node is supposed to be below /firmware */ fw_np = of_find_node_by_name(NULL, "firmware"); @@ -723,6 +719,14 @@ static int __init optee_driver_init(void) if (IS_ERR(optee)) return PTR_ERR(optee); + rc = optee_enumerate_devices(); + if (rc) { + optee_remove(optee); + return rc; + } + + pr_info("initialized driver\n"); + optee_svc = optee; return 0; diff --git a/drivers/tee/optee/shm_pool.c b/drivers/tee/optee/shm_pool.c index de1d9b8fad90..0332a5301d61 100644 --- a/drivers/tee/optee/shm_pool.c +++ b/drivers/tee/optee/shm_pool.c @@ -17,6 +17,7 @@ static int pool_op_alloc(struct tee_shm_pool_mgr *poolm, { unsigned int order = get_order(size); struct page *page; + int rc = 0; page = alloc_pages(GFP_KERNEL | __GFP_ZERO, order); if (!page) @@ -26,12 +27,21 @@ static int pool_op_alloc(struct tee_shm_pool_mgr *poolm, shm->paddr = page_to_phys(page); shm->size = PAGE_SIZE << order; - return 0; + if (shm->flags & TEE_SHM_DMA_BUF) { + shm->flags |= TEE_SHM_REGISTER; + rc = optee_shm_register(shm->ctx, shm, &page, 1 << order, + (unsigned long)shm->kaddr); + } + + return rc; } static void pool_op_free(struct tee_shm_pool_mgr *poolm, struct tee_shm *shm) { + if (shm->flags & TEE_SHM_DMA_BUF) + optee_shm_unregister(shm->ctx, shm); + free_pages((unsigned long)shm->kaddr, get_order(shm->size)); shm->kaddr = NULL; } |