diff options
Diffstat (limited to 'drivers')
186 files changed, 1535 insertions, 890 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 071c1dfb93f3..350d52a8f781 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -68,7 +68,7 @@ MODULE_AUTHOR("Bruno Ducrot"); MODULE_DESCRIPTION("ACPI Video Driver"); MODULE_LICENSE("GPL"); -static bool brightness_switch_enabled; +static bool brightness_switch_enabled = 1; module_param(brightness_switch_enabled, bool, 0644); /* @@ -581,6 +581,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = { }, { .callback = video_set_use_native_backlight, + .ident = "HP ProBook 4540s", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_VERSION, "HP ProBook 4540s"), + }, + }, + { + .callback = video_set_use_native_backlight, .ident = "HP ProBook 2013 models", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index dae5607e1115..4cd52a4541a9 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -456,6 +456,7 @@ static const struct pci_device_id ahci_pci_tbl[] = { /* Promise */ { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */ + { PCI_VDEVICE(PROMISE, 0x3781), board_ahci }, /* FastTrak TX8660 ahci-mode */ /* Asmedia */ { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */ diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 18d97d5c7d90..677c0c1b03bd 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4787,6 +4787,10 @@ void swap_buf_le16(u16 *buf, unsigned int buf_words) * ata_qc_new - Request an available ATA command, for queueing * @ap: target port * + * Some ATA host controllers may implement a queue depth which is less + * than ATA_MAX_QUEUE. So we shouldn't allocate a tag which is beyond + * the hardware limitation. + * * LOCKING: * None. */ @@ -4794,14 +4798,15 @@ void swap_buf_le16(u16 *buf, unsigned int buf_words) static struct ata_queued_cmd *ata_qc_new(struct ata_port *ap) { struct ata_queued_cmd *qc = NULL; + unsigned int max_queue = ap->host->n_tags; unsigned int i, tag; /* no command while frozen */ if (unlikely(ap->pflags & ATA_PFLAG_FROZEN)) return NULL; - for (i = 0; i < ATA_MAX_QUEUE; i++) { - tag = (i + ap->last_tag + 1) % ATA_MAX_QUEUE; + for (i = 0, tag = ap->last_tag + 1; i < max_queue; i++, tag++) { + tag = tag < max_queue ? tag : 0; /* the last tag is reserved for internal command. */ if (tag == ATA_TAG_INTERNAL) @@ -6088,6 +6093,7 @@ void ata_host_init(struct ata_host *host, struct device *dev, { spin_lock_init(&host->lock); mutex_init(&host->eh_mutex); + host->n_tags = ATA_MAX_QUEUE - 1; host->dev = dev; host->ops = ops; } @@ -6169,6 +6175,8 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht) { int i, rc; + host->n_tags = clamp(sht->can_queue, 1, ATA_MAX_QUEUE - 1); + /* host must have been started */ if (!(host->flags & ATA_HOST_STARTED)) { dev_err(host->dev, "BUG: trying to register unstarted host\n"); diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 6760fc4e85b8..dad83df555c4 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1811,7 +1811,7 @@ static unsigned int ata_eh_analyze_tf(struct ata_queued_cmd *qc, case ATA_DEV_ATA: if (err & ATA_ICRC) qc->err_mask |= AC_ERR_ATA_BUS; - if (err & ATA_UNC) + if (err & (ATA_UNC | ATA_AMNF)) qc->err_mask |= AC_ERR_MEDIA; if (err & ATA_IDNF) qc->err_mask |= AC_ERR_INVALID; @@ -2556,11 +2556,12 @@ static void ata_eh_link_report(struct ata_link *link) } if (cmd->command != ATA_CMD_PACKET && - (res->feature & (ATA_ICRC | ATA_UNC | ATA_IDNF | - ATA_ABORTED))) - ata_dev_err(qc->dev, "error: { %s%s%s%s}\n", + (res->feature & (ATA_ICRC | ATA_UNC | ATA_AMNF | + ATA_IDNF | ATA_ABORTED))) + ata_dev_err(qc->dev, "error: { %s%s%s%s%s}\n", res->feature & ATA_ICRC ? "ICRC " : "", res->feature & ATA_UNC ? "UNC " : "", + res->feature & ATA_AMNF ? "AMNF " : "", res->feature & ATA_IDNF ? "IDNF " : "", res->feature & ATA_ABORTED ? "ABRT " : ""); #endif diff --git a/drivers/ata/pata_ep93xx.c b/drivers/ata/pata_ep93xx.c index 6ad5c072ce34..4d37c5415fc7 100644 --- a/drivers/ata/pata_ep93xx.c +++ b/drivers/ata/pata_ep93xx.c @@ -915,7 +915,7 @@ static int ep93xx_pata_probe(struct platform_device *pdev) struct ep93xx_pata_data *drv_data; struct ata_host *host; struct ata_port *ap; - unsigned int irq; + int irq; struct resource *mem_res; void __iomem *ide_base; int err; diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 9e9227e1762d..eee48c49f5de 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -89,8 +89,13 @@ int platform_get_irq(struct platform_device *dev, unsigned int num) return dev->archdata.irqs[num]; #else struct resource *r; - if (IS_ENABLED(CONFIG_OF_IRQ) && dev->dev.of_node) - return of_irq_get(dev->dev.of_node, num); + if (IS_ENABLED(CONFIG_OF_IRQ) && dev->dev.of_node) { + int ret; + + ret = of_irq_get(dev->dev.of_node, num); + if (ret >= 0 || ret == -EPROBE_DEFER) + return ret; + } r = platform_get_resource(dev, IORESOURCE_IRQ, num); @@ -133,8 +138,13 @@ int platform_get_irq_byname(struct platform_device *dev, const char *name) { struct resource *r; - if (IS_ENABLED(CONFIG_OF_IRQ) && dev->dev.of_node) - return of_irq_get_byname(dev->dev.of_node, name); + if (IS_ENABLED(CONFIG_OF_IRQ) && dev->dev.of_node) { + int ret; + + ret = of_irq_get_byname(dev->dev.of_node, name); + if (ret >= 0 || ret == -EPROBE_DEFER) + return ret; + } r = platform_get_resource_byname(dev, IORESOURCE_IRQ, name); return r ? r->start : -ENXIO; diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 1b35c45c92b7..3f2e16738080 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -544,6 +544,12 @@ void conn_try_outdate_peer_async(struct drbd_connection *connection) struct task_struct *opa; kref_get(&connection->kref); + /* We may just have force_sig()'ed this thread + * to get it out of some blocking network function. + * Clear signals; otherwise kthread_run(), which internally uses + * wait_on_completion_killable(), will mistake our pending signal + * for a new fatal signal and fail. */ + flush_signals(current); opa = kthread_run(_try_outdate_peer_async, connection, "drbd_async_h"); if (IS_ERR(opa)) { drbd_err(connection, "out of mem, failed to invoke fence-peer helper\n"); diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 089e72cd37be..36e54be402df 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -622,11 +622,18 @@ static void zram_reset_device(struct zram *zram, bool reset_capacity) memset(&zram->stats, 0, sizeof(zram->stats)); zram->disksize = 0; - if (reset_capacity) { + if (reset_capacity) set_capacity(zram->disk, 0); - revalidate_disk(zram->disk); - } + up_write(&zram->init_lock); + + /* + * Revalidate disk out of the init_lock to avoid lockdep splat. + * It's okay because disk's capacity is protected by init_lock + * so that revalidate_disk always sees up-to-date capacity. + */ + if (reset_capacity) + revalidate_disk(zram->disk); } static ssize_t disksize_store(struct device *dev, @@ -666,8 +673,15 @@ static ssize_t disksize_store(struct device *dev, zram->comp = comp; zram->disksize = disksize; set_capacity(zram->disk, zram->disksize >> SECTOR_SHIFT); - revalidate_disk(zram->disk); up_write(&zram->init_lock); + + /* + * Revalidate disk out of the init_lock to avoid lockdep splat. + * It's okay because disk's capacity is protected by init_lock + * so that revalidate_disk always sees up-to-date capacity. + */ + revalidate_disk(zram->disk); + return len; out_destroy_comp: diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c index f98380648cb3..f50dffc0374f 100644 --- a/drivers/bluetooth/ath3k.c +++ b/drivers/bluetooth/ath3k.c @@ -90,7 +90,6 @@ static const struct usb_device_id ath3k_table[] = { { USB_DEVICE(0x0b05, 0x17d0) }, { USB_DEVICE(0x0CF3, 0x0036) }, { USB_DEVICE(0x0CF3, 0x3004) }, - { USB_DEVICE(0x0CF3, 0x3005) }, { USB_DEVICE(0x0CF3, 0x3008) }, { USB_DEVICE(0x0CF3, 0x311D) }, { USB_DEVICE(0x0CF3, 0x311E) }, @@ -140,7 +139,6 @@ static const struct usb_device_id ath3k_blist_tbl[] = { { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, - { USB_DEVICE(0x0cf3, 0x3005), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 }, diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index a1c80b0c7663..6250fc2fb93a 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -162,7 +162,6 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, - { USB_DEVICE(0x0cf3, 0x3005), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c index 04680ead9275..fede8ca7147c 100644 --- a/drivers/bluetooth/hci_h5.c +++ b/drivers/bluetooth/hci_h5.c @@ -406,6 +406,7 @@ static int h5_rx_3wire_hdr(struct hci_uart *hu, unsigned char c) H5_HDR_PKT_TYPE(hdr) != HCI_3WIRE_LINK_PKT) { BT_ERR("Non-link packet received in non-active state"); h5_reset_rx(h5); + return 0; } h5->rx_func = h5_rx_payload; diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index 334601cc81cf..c4419ea1ab07 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -55,16 +55,41 @@ static DEFINE_MUTEX(rng_mutex); static int data_avail; static u8 *rng_buffer; +static inline int rng_get_data(struct hwrng *rng, u8 *buffer, size_t size, + int wait); + static size_t rng_buffer_size(void) { return SMP_CACHE_BYTES < 32 ? 32 : SMP_CACHE_BYTES; } +static void add_early_randomness(struct hwrng *rng) +{ + unsigned char bytes[16]; + int bytes_read; + + /* + * Currently only virtio-rng cannot return data during device + * probe, and that's handled in virtio-rng.c itself. If there + * are more such devices, this call to rng_get_data can be + * made conditional here instead of doing it per-device. + */ + bytes_read = rng_get_data(rng, bytes, sizeof(bytes), 1); + if (bytes_read > 0) + add_device_randomness(bytes, bytes_read); +} + static inline int hwrng_init(struct hwrng *rng) { - if (!rng->init) - return 0; - return rng->init(rng); + if (rng->init) { + int ret; + + ret = rng->init(rng); + if (ret) + return ret; + } + add_early_randomness(rng); + return 0; } static inline void hwrng_cleanup(struct hwrng *rng) @@ -304,8 +329,6 @@ int hwrng_register(struct hwrng *rng) { int err = -EINVAL; struct hwrng *old_rng, *tmp; - unsigned char bytes[16]; - int bytes_read; if (rng->name == NULL || (rng->data_read == NULL && rng->read == NULL)) @@ -347,9 +370,17 @@ int hwrng_register(struct hwrng *rng) INIT_LIST_HEAD(&rng->list); list_add_tail(&rng->list, &rng_list); - bytes_read = rng_get_data(rng, bytes, sizeof(bytes), 1); - if (bytes_read > 0) - add_device_randomness(bytes, bytes_read); + if (old_rng && !rng->init) { + /* + * Use a new device's input to add some randomness to + * the system. If this rng device isn't going to be + * used right away, its init function hasn't been + * called yet; so only use the randomness from devices + * that don't need an init callback. + */ + add_early_randomness(rng); + } + out_unlock: mutex_unlock(&rng_mutex); out: diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c index f3e71501de54..e9b15bc18b4d 100644 --- a/drivers/char/hw_random/virtio-rng.c +++ b/drivers/char/hw_random/virtio-rng.c @@ -38,6 +38,8 @@ struct virtrng_info { int index; }; +static bool probe_done; + static void random_recv_done(struct virtqueue *vq) { struct virtrng_info *vi = vq->vdev->priv; @@ -67,6 +69,13 @@ static int virtio_read(struct hwrng *rng, void *buf, size_t size, bool wait) int ret; struct virtrng_info *vi = (struct virtrng_info *)rng->priv; + /* + * Don't ask host for data till we're setup. This call can + * happen during hwrng_register(), after commit d9e7972619. + */ + if (unlikely(!probe_done)) + return 0; + if (!vi->busy) { vi->busy = true; init_completion(&vi->have_data); @@ -137,6 +146,7 @@ static int probe_common(struct virtio_device *vdev) return err; } + probe_done = true; return 0; } diff --git a/drivers/char/random.c b/drivers/char/random.c index 0a7ac0a7b252..71529e196b84 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -641,7 +641,7 @@ retry: } while (unlikely(entropy_count < pool_size-2 && pnfrac)); } - if (entropy_count < 0) { + if (unlikely(entropy_count < 0)) { pr_warn("random: negative entropy/overflow: pool %s count %d\n", r->name, entropy_count); WARN_ON(1); @@ -981,7 +981,7 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min, int reserved) { int entropy_count, orig; - size_t ibytes; + size_t ibytes, nfrac; BUG_ON(r->entropy_count > r->poolinfo->poolfracbits); @@ -999,7 +999,17 @@ retry: } if (ibytes < min) ibytes = 0; - if ((entropy_count -= ibytes << (ENTROPY_SHIFT + 3)) < 0) + + if (unlikely(entropy_count < 0)) { + pr_warn("random: negative entropy count: pool %s count %d\n", + r->name, entropy_count); + WARN_ON(1); + entropy_count = 0; + } + nfrac = ibytes << (ENTROPY_SHIFT + 3); + if ((size_t) entropy_count > nfrac) + entropy_count -= nfrac; + else entropy_count = 0; if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig) @@ -1376,6 +1386,7 @@ urandom_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) "with %d bits of entropy available\n", current->comm, nonblocking_pool.entropy_total); + nbytes = min_t(size_t, nbytes, INT_MAX >> (ENTROPY_SHIFT + 3)); ret = extract_entropy_user(&nonblocking_pool, buf, nbytes); trace_urandom_read(8 * nbytes, ENTROPY_BITS(&nonblocking_pool), diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c index e1581335937d..cb8e6f14e880 100644 --- a/drivers/clk/ti/clk-7xx.c +++ b/drivers/clk/ti/clk-7xx.c @@ -16,7 +16,7 @@ #include <linux/clkdev.h> #include <linux/clk/ti.h> -#define DRA7_DPLL_ABE_DEFFREQ 361267200 +#define DRA7_DPLL_ABE_DEFFREQ 180633600 #define DRA7_DPLL_GMAC_DEFFREQ 1000000000 @@ -322,6 +322,11 @@ int __init dra7xx_dt_clk_init(void) if (rc) pr_err("%s: failed to configure ABE DPLL!\n", __func__); + dpll_ck = clk_get_sys(NULL, "dpll_abe_m2x2_ck"); + rc = clk_set_rate(dpll_ck, DRA7_DPLL_ABE_DEFFREQ * 2); + if (rc) + pr_err("%s: failed to configure ABE DPLL m2x2!\n", __func__); + dpll_ck = clk_get_sys(NULL, "dpll_gmac_ck"); rc = clk_set_rate(dpll_ck, DRA7_DPLL_GMAC_DEFFREQ); if (rc) diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index ebac67115009..7364a538e056 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -104,6 +104,7 @@ config ARM_IMX6Q_CPUFREQ tristate "Freescale i.MX6 cpufreq support" depends on ARCH_MXC depends on REGULATOR_ANATOP + select PM_OPP help This adds cpufreq driver support for Freescale i.MX6 series SoCs. @@ -118,7 +119,7 @@ config ARM_INTEGRATOR If in doubt, say Y. config ARM_KIRKWOOD_CPUFREQ - def_bool MACH_KIRKWOOD + def_bool ARCH_KIRKWOOD || MACH_KIRKWOOD help This adds the CPUFreq driver for Marvell Kirkwood SoCs. diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c index ee1ae303a07c..86beda9f950b 100644 --- a/drivers/cpufreq/cpufreq-cpu0.c +++ b/drivers/cpufreq/cpufreq-cpu0.c @@ -152,11 +152,8 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev) goto out_put_reg; } - ret = of_init_opp_table(cpu_dev); - if (ret) { - pr_err("failed to init OPP table: %d\n", ret); - goto out_put_clk; - } + /* OPPs might be populated at runtime, don't check for error here */ + of_init_opp_table(cpu_dev); ret = dev_pm_opp_init_cpufreq_table(cpu_dev, &freq_table); if (ret) { diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 62259d27f03e..6f024852c6fb 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1153,10 +1153,12 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif) * the creation of a brand new one. So we need to perform this update * by invoking update_policy_cpu(). */ - if (recover_policy && cpu != policy->cpu) + if (recover_policy && cpu != policy->cpu) { update_policy_cpu(policy, cpu); - else + WARN_ON(kobject_move(&policy->kobj, &dev->kobj)); + } else { policy->cpu = cpu; + } cpumask_copy(policy->cpus, cpumask_of(cpu)); diff --git a/drivers/cpufreq/sa1110-cpufreq.c b/drivers/cpufreq/sa1110-cpufreq.c index 546376719d8f..b5befc211172 100644 --- a/drivers/cpufreq/sa1110-cpufreq.c +++ b/drivers/cpufreq/sa1110-cpufreq.c @@ -349,7 +349,7 @@ static int __init sa1110_clk_init(void) name = "K4S641632D"; if (machine_is_h3100()) name = "KM416S4030CT"; - if (machine_is_jornada720()) + if (machine_is_jornada720() || machine_is_h3600()) name = "K4S281632B-1H"; if (machine_is_nanoengine()) name = "MT48LC8M16A2TG-75"; diff --git a/drivers/firewire/Kconfig b/drivers/firewire/Kconfig index 4199849e3758..145974f9662b 100644 --- a/drivers/firewire/Kconfig +++ b/drivers/firewire/Kconfig @@ -1,4 +1,5 @@ menu "IEEE 1394 (FireWire) support" + depends on HAS_DMA depends on PCI || COMPILE_TEST # firewire-core does not depend on PCI but is # not useful without PCI controller driver diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 57985410f12f..a66a3217f1d9 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -336,10 +336,10 @@ static const struct { QUIRK_CYCLE_TIMER | QUIRK_IR_WAKE}, {PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT6315, 0, - QUIRK_CYCLE_TIMER | QUIRK_NO_MSI}, + QUIRK_CYCLE_TIMER /* FIXME: necessary? */ | QUIRK_NO_MSI}, {PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT6315, PCI_ANY_ID, - 0}, + QUIRK_NO_MSI}, {PCI_VENDOR_ID_VIA, PCI_ANY_ID, PCI_ANY_ID, QUIRK_CYCLE_TIMER | QUIRK_NO_MSI}, diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index eff1a2f22f09..dc79346689e6 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -346,6 +346,7 @@ static __initdata struct { struct param_info { int verbose; + int found; void *params; }; @@ -362,16 +363,12 @@ static int __init fdt_find_uefi_params(unsigned long node, const char *uname, (strcmp(uname, "chosen") != 0 && strcmp(uname, "chosen@0") != 0)) return 0; - pr_info("Getting parameters from FDT:\n"); - for (i = 0; i < ARRAY_SIZE(dt_params); i++) { prop = of_get_flat_dt_prop(node, dt_params[i].propname, &len); - if (!prop) { - pr_err("Can't find %s in device tree!\n", - dt_params[i].name); + if (!prop) return 0; - } dest = info->params + dt_params[i].offset; + info->found++; val = of_read_number(prop, len / sizeof(u32)); @@ -390,10 +387,21 @@ static int __init fdt_find_uefi_params(unsigned long node, const char *uname, int __init efi_get_fdt_params(struct efi_fdt_params *params, int verbose) { struct param_info info; + int ret; + + pr_info("Getting EFI parameters from FDT:\n"); info.verbose = verbose; + info.found = 0; info.params = params; - return of_scan_flat_dt(fdt_find_uefi_params, &info); + ret = of_scan_flat_dt(fdt_find_uefi_params, &info); + if (!info.found) + pr_info("UEFI not found.\n"); + else if (!ret) + pr_err("Can't find '%s' in device tree!\n", + dt_params[info.found].name); + + return ret; } #endif /* CONFIG_EFI_PARAMS_FROM_FDT */ diff --git a/drivers/firmware/efi/fdt.c b/drivers/firmware/efi/fdt.c index 82d774161cc9..507a3df46a5d 100644 --- a/drivers/firmware/efi/fdt.c +++ b/drivers/firmware/efi/fdt.c @@ -23,16 +23,6 @@ static efi_status_t update_fdt(efi_system_table_t *sys_table, void *orig_fdt, u32 fdt_val32; u64 fdt_val64; - /* - * Copy definition of linux_banner here. Since this code is - * built as part of the decompressor for ARM v7, pulling - * in version.c where linux_banner is defined for the - * kernel brings other kernel dependencies with it. - */ - const char linux_banner[] = - "Linux version " UTS_RELEASE " (" LINUX_COMPILE_BY "@" - LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") " UTS_VERSION "\n"; - /* Do some checks on provided FDT, if it exists*/ if (orig_fdt) { if (fdt_check_header(orig_fdt)) { diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c index fe7c0e211f9a..57adbc90fdad 100644 --- a/drivers/gpio/gpio-mcp23s08.c +++ b/drivers/gpio/gpio-mcp23s08.c @@ -900,8 +900,6 @@ static int mcp23s08_probe(struct spi_device *spi) if (spi_present_mask & (1 << addr)) chips++; } - if (!chips) - return -ENODEV; } else { type = spi_get_device_id(spi)->driver_data; pdata = dev_get_platdata(&spi->dev); @@ -940,10 +938,6 @@ static int mcp23s08_probe(struct spi_device *spi) if (!(spi_present_mask & (1 << addr))) continue; chips--; - if (chips < 0) { - dev_err(&spi->dev, "FATAL: invalid negative chip id\n"); - goto fail; - } data->mcp[addr] = &data->chip[chips]; status = mcp23s08_probe_one(data->mcp[addr], &spi->dev, spi, 0x40 | (addr << 1), type, base, diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c index 0c9f803fc1ac..b6ae89ea8811 100644 --- a/drivers/gpio/gpio-rcar.c +++ b/drivers/gpio/gpio-rcar.c @@ -284,6 +284,7 @@ static int gpio_rcar_irq_domain_map(struct irq_domain *h, unsigned int irq, static struct irq_domain_ops gpio_rcar_irq_domain_ops = { .map = gpio_rcar_irq_domain_map, + .xlate = irq_domain_xlate_twocell, }; struct gpio_rcar_info { diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index f36126383d26..d893e4da5dce 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1616,22 +1616,6 @@ out: return ret; } -void i915_gem_release_all_mmaps(struct drm_i915_private *dev_priv) -{ - struct i915_vma *vma; - - /* - * Only the global gtt is relevant for gtt memory mappings, so restrict - * list traversal to objects bound into the global address space. Note - * that the active list should be empty, but better safe than sorry. - */ - WARN_ON(!list_empty(&dev_priv->gtt.base.active_list)); - list_for_each_entry(vma, &dev_priv->gtt.base.active_list, mm_list) - i915_gem_release_mmap(vma->obj); - list_for_each_entry(vma, &dev_priv->gtt.base.inactive_list, mm_list) - i915_gem_release_mmap(vma->obj); -} - /** * i915_gem_release_mmap - remove physical page mappings * @obj: obj in question @@ -1657,6 +1641,15 @@ i915_gem_release_mmap(struct drm_i915_gem_object *obj) obj->fault_mappable = false; } +void +i915_gem_release_all_mmaps(struct drm_i915_private *dev_priv) +{ + struct drm_i915_gem_object *obj; + + list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) + i915_gem_release_mmap(obj); +} + uint32_t i915_gem_get_gtt_size(struct drm_device *dev, uint32_t size, int tiling_mode) { diff --git a/drivers/gpu/drm/i915/i915_gem_render_state.c b/drivers/gpu/drm/i915/i915_gem_render_state.c index 3521f998a178..34894b573064 100644 --- a/drivers/gpu/drm/i915/i915_gem_render_state.c +++ b/drivers/gpu/drm/i915/i915_gem_render_state.c @@ -31,7 +31,7 @@ struct i915_render_state { struct drm_i915_gem_object *obj; unsigned long ggtt_offset; - void *batch; + u32 *batch; u32 size; u32 len; }; @@ -80,7 +80,7 @@ free: static void render_state_free(struct i915_render_state *so) { - kunmap(so->batch); + kunmap(kmap_to_page(so->batch)); i915_gem_object_ggtt_unpin(so->obj); drm_gem_object_unreference(&so->obj->base); kfree(so); diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 267f069765ad..c05c84f3f091 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2845,7 +2845,7 @@ static int semaphore_passed(struct intel_engine_cs *ring) { struct drm_i915_private *dev_priv = ring->dev->dev_private; struct intel_engine_cs *signaller; - u32 seqno, ctl; + u32 seqno; ring->hangcheck.deadlock++; @@ -2857,15 +2857,12 @@ static int semaphore_passed(struct intel_engine_cs *ring) if (signaller->hangcheck.deadlock >= I915_NUM_RINGS) return -1; - /* cursory check for an unkickable deadlock */ - ctl = I915_READ_CTL(signaller); - if (ctl & RING_WAIT_SEMAPHORE && semaphore_passed(signaller) < 0) - return -1; - if (i915_seqno_passed(signaller->get_seqno(signaller, false), seqno)) return 1; - if (signaller->hangcheck.deadlock) + /* cursory check for an unkickable deadlock */ + if (I915_READ_CTL(signaller) & RING_WAIT_SEMAPHORE && + semaphore_passed(signaller) < 0) return -1; return 0; diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index e27e7804c0b9..f0be855ddf45 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -11673,6 +11673,9 @@ static struct intel_quirk intel_quirks[] = { /* Toshiba CB35 Chromebook (Celeron 2955U) */ { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present }, + + /* HP Chromebook 14 (Celeron 2955U) */ + { 0x0a06, 0x103c, 0x21ed, quirk_backlight_present }, }; static void intel_init_quirks(struct drm_device *dev) @@ -11911,6 +11914,7 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) * ... */ plane = crtc->plane; crtc->plane = !plane; + crtc->primary_enabled = true; dev_priv->display.crtc_disable(&crtc->base); crtc->plane = plane; diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 075170d1844f..8a1a4fbc06ac 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -906,8 +906,8 @@ intel_dp_compute_config(struct intel_encoder *encoder, mode_rate = intel_dp_link_required(adjusted_mode->crtc_clock, bpp); - for (lane_count = min_lane_count; lane_count <= max_lane_count; lane_count <<= 1) { - for (clock = min_clock; clock <= max_clock; clock++) { + for (clock = min_clock; clock <= max_clock; clock++) { + for (lane_count = min_lane_count; lane_count <= max_lane_count; lane_count <<= 1) { link_clock = drm_dp_bw_code_to_link_rate(bws[clock]); link_avail = intel_dp_max_data_rate(link_clock, lane_count); diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 23126023aeba..5e5a72fca5fb 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -111,6 +111,13 @@ static void intel_lvds_get_config(struct intel_encoder *encoder, pipe_config->adjusted_mode.flags |= flags; + /* gen2/3 store dither state in pfit control, needs to match */ + if (INTEL_INFO(dev)->gen < 4) { + tmp = I915_READ(PFIT_CONTROL); + + pipe_config->gmch_pfit.control |= tmp & PANEL_8TO6_DITHER_ENABLE; + } + dotclock = pipe_config->port_clock; if (HAS_PCH_SPLIT(dev_priv->dev)) diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 628cd8938274..12b02fe1d0ae 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -361,16 +361,16 @@ void intel_gmch_panel_fitting(struct intel_crtc *intel_crtc, pfit_control |= ((intel_crtc->pipe << PFIT_PIPE_SHIFT) | PFIT_FILTER_FUZZY); - /* Make sure pre-965 set dither correctly for 18bpp panels. */ - if (INTEL_INFO(dev)->gen < 4 && pipe_config->pipe_bpp == 18) - pfit_control |= PANEL_8TO6_DITHER_ENABLE; - out: if ((pfit_control & PFIT_ENABLE) == 0) { pfit_control = 0; pfit_pgm_ratios = 0; } + /* Make sure pre-965 set dither correctly for 18bpp panels. */ + if (INTEL_INFO(dev)->gen < 4 && pipe_config->pipe_bpp == 18) + pfit_control |= PANEL_8TO6_DITHER_ENABLE; + pipe_config->gmch_pfit.control = pfit_control; pipe_config->gmch_pfit.pgm_ratios = pfit_pgm_ratios; pipe_config->gmch_pfit.lvds_border_bits = border; diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c b/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c index cfde9eb44ad0..6212537b90c5 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c @@ -192,11 +192,11 @@ alarm_timer_callback(struct nouveau_alarm *alarm) nouveau_therm_threshold_hyst_polling(therm, &sensor->thrs_shutdown, NOUVEAU_THERM_THRS_SHUTDOWN); + spin_unlock_irqrestore(&priv->sensor.alarm_program_lock, flags); + /* schedule the next poll in one second */ if (therm->temp_get(therm) >= 0 && list_empty(&alarm->head)) - ptimer->alarm(ptimer, 1000 * 1000 * 1000, alarm); - - spin_unlock_irqrestore(&priv->sensor.alarm_program_lock, flags); + ptimer->alarm(ptimer, 1000000000ULL, alarm); } void diff --git a/drivers/gpu/drm/qxl/qxl_irq.c b/drivers/gpu/drm/qxl/qxl_irq.c index 34d6a85e9023..0bf1e20c6e44 100644 --- a/drivers/gpu/drm/qxl/qxl_irq.c +++ b/drivers/gpu/drm/qxl/qxl_irq.c @@ -33,6 +33,9 @@ irqreturn_t qxl_irq_handler(int irq, void *arg) pending = xchg(&qdev->ram_header->int_pending, 0); + if (!pending) + return IRQ_NONE; + atomic_inc(&qdev->irq_received); if (pending & QXL_INTERRUPT_DISPLAY) { diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index a03c73411a56..30d242b25078 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1414,8 +1414,8 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN; WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp); - /* set pageflip to happen anywhere in vblank interval */ - WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0); + /* set pageflip to happen only at start of vblank interval (front porch) */ + WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 3); if (!atomic && fb && fb != crtc->primary->fb) { radeon_fb = to_radeon_framebuffer(fb); @@ -1614,8 +1614,8 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc, tmp &= ~AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN; WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp); - /* set pageflip to happen anywhere in vblank interval */ - WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0); + /* set pageflip to happen only at start of vblank interval (front porch) */ + WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 3); if (!atomic && fb && fb != crtc->primary->fb) { radeon_fb = to_radeon_framebuffer(fb); diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index 2b2908440644..7d68203a3737 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -183,7 +183,6 @@ void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder, struct backlight_properties props; struct radeon_backlight_privdata *pdata; struct radeon_encoder_atom_dig *dig; - u8 backlight_level; char bl_name[16]; /* Mac laptops with multiple GPUs use the gmux driver for backlight @@ -222,12 +221,17 @@ void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder, pdata->encoder = radeon_encoder; - backlight_level = radeon_atom_get_backlight_level_from_reg(rdev); - dig = radeon_encoder->enc_priv; dig->bl_dev = bd; bd->props.brightness = radeon_atom_backlight_get_brightness(bd); + /* Set a reasonable default here if the level is 0 otherwise + * fbdev will attempt to turn the backlight on after console + * unblanking and it will try and restore 0 which turns the backlight + * off again. + */ + if (bd->props.brightness == 0) + bd->props.brightness = RADEON_MAX_BL_LEVEL; bd->props.power = FB_BLANK_UNBLANK; backlight_update_status(bd); diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 0b2471107137..c0ea66192fe0 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -2291,6 +2291,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev) gb_tile_moden = 0; break; } + rdev->config.cik.macrotile_mode_array[reg_offset] = gb_tile_moden; WREG32(GB_MACROTILE_MODE0 + (reg_offset * 4), gb_tile_moden); } } else if (num_pipe_configs == 8) { @@ -7376,6 +7377,7 @@ static inline u32 cik_get_ih_wptr(struct radeon_device *rdev) tmp = RREG32(IH_RB_CNTL); tmp |= IH_WPTR_OVERFLOW_CLEAR; WREG32(IH_RB_CNTL, tmp); + wptr &= ~RB_OVERFLOW; } return (wptr & rdev->ih.ptr_mask); } diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index f7ece0ff431b..15e4f28015e1 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2642,8 +2642,9 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s for (i = 0; i < rdev->num_crtc; i++) { if (save->crtc_enabled[i]) { tmp = RREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i]); - if ((tmp & 0x3) != 0) { - tmp &= ~0x3; + if ((tmp & 0x7) != 3) { + tmp &= ~0x7; + tmp |= 0x3; WREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i], tmp); } tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]); @@ -4755,6 +4756,7 @@ static u32 evergreen_get_ih_wptr(struct radeon_device *rdev) tmp = RREG32(IH_RB_CNTL); tmp |= IH_WPTR_OVERFLOW_CLEAR; WREG32(IH_RB_CNTL, tmp); + wptr &= ~RB_OVERFLOW; } return (wptr & rdev->ih.ptr_mask); } diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h index 333d143fca2c..23bff590fb6e 100644 --- a/drivers/gpu/drm/radeon/evergreen_reg.h +++ b/drivers/gpu/drm/radeon/evergreen_reg.h @@ -239,7 +239,6 @@ # define EVERGREEN_CRTC_V_BLANK (1 << 0) #define EVERGREEN_CRTC_STATUS_POSITION 0x6e90 #define EVERGREEN_CRTC_STATUS_HV_COUNT 0x6ea0 -#define EVERGREEN_MASTER_UPDATE_MODE 0x6ef8 #define EVERGREEN_CRTC_UPDATE_LOCK 0x6ed4 #define EVERGREEN_MASTER_UPDATE_LOCK 0x6ef4 #define EVERGREEN_MASTER_UPDATE_MODE 0x6ef8 diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index c66952d4b00c..3c69f58e46ef 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -3795,6 +3795,7 @@ static u32 r600_get_ih_wptr(struct radeon_device *rdev) tmp = RREG32(IH_RB_CNTL); tmp |= IH_WPTR_OVERFLOW_CLEAR; WREG32(IH_RB_CNTL, tmp); + wptr &= ~RB_OVERFLOW; } return (wptr & rdev->ih.ptr_mask); } diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 29d9cc04c04e..60c47f829122 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -449,6 +449,7 @@ struct radeon_bo_va { /* protected by vm mutex */ struct list_head vm_list; + struct list_head vm_status; /* constant after initialization */ struct radeon_vm *vm; @@ -684,10 +685,9 @@ struct radeon_flip_work { struct work_struct unpin_work; struct radeon_device *rdev; int crtc_id; - struct drm_framebuffer *fb; + uint64_t base; struct drm_pending_vblank_event *event; struct radeon_bo *old_rbo; - struct radeon_bo *new_rbo; struct radeon_fence *fence; }; @@ -868,6 +868,9 @@ struct radeon_vm { struct list_head va; unsigned id; + /* BOs freed, but not yet updated in the PT */ + struct list_head freed; + /* contains the page directory */ struct radeon_bo *page_directory; uint64_t pd_gpu_addr; @@ -876,6 +879,8 @@ struct radeon_vm { /* array of page tables, one for each page directory entry */ struct radeon_vm_pt *page_tables; + struct radeon_bo_va *ib_bo_va; + struct mutex mutex; /* last fence for cs using this vm */ struct radeon_fence *fence; @@ -2833,9 +2838,10 @@ void radeon_vm_fence(struct radeon_device *rdev, uint64_t radeon_vm_map_gart(struct radeon_device *rdev, uint64_t addr); int radeon_vm_update_page_directory(struct radeon_device *rdev, struct radeon_vm *vm); +int radeon_vm_clear_freed(struct radeon_device *rdev, + struct radeon_vm *vm); int radeon_vm_bo_update(struct radeon_device *rdev, - struct radeon_vm *vm, - struct radeon_bo *bo, + struct radeon_bo_va *bo_va, struct ttm_mem_reg *mem); void radeon_vm_bo_invalidate(struct radeon_device *rdev, struct radeon_bo *bo); @@ -2848,8 +2854,8 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev, struct radeon_bo_va *bo_va, uint64_t offset, uint32_t flags); -int radeon_vm_bo_rmv(struct radeon_device *rdev, - struct radeon_bo_va *bo_va); +void radeon_vm_bo_rmv(struct radeon_device *rdev, + struct radeon_bo_va *bo_va); /* audio */ void r600_audio_update_hdmi(struct work_struct *work); diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index 71a143461478..ae763f60c8a0 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -461,13 +461,23 @@ static int radeon_bo_vm_update_pte(struct radeon_cs_parser *p, struct radeon_vm *vm) { struct radeon_device *rdev = p->rdev; + struct radeon_bo_va *bo_va; int i, r; r = radeon_vm_update_page_directory(rdev, vm); if (r) return r; - r = radeon_vm_bo_update(rdev, vm, rdev->ring_tmp_bo.bo, + r = radeon_vm_clear_freed(rdev, vm); + if (r) + return r; + + if (vm->ib_bo_va == NULL) { + DRM_ERROR("Tmp BO not in VM!\n"); + return -EINVAL; + } + + r = radeon_vm_bo_update(rdev, vm->ib_bo_va, &rdev->ring_tmp_bo.bo->tbo.mem); if (r) return r; @@ -480,7 +490,13 @@ static int radeon_bo_vm_update_pte(struct radeon_cs_parser *p, continue; bo = p->relocs[i].robj; - r = radeon_vm_bo_update(rdev, vm, bo, &bo->tbo.mem); + bo_va = radeon_vm_bo_find(vm, bo); + if (bo_va == NULL) { + dev_err(rdev->dev, "bo %p not in vm %p\n", bo, vm); + return -EINVAL; + } + + r = radeon_vm_bo_update(rdev, bo_va, &bo->tbo.mem); if (r) return r; } diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 03686fab842d..697add2cd4e3 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1056,36 +1056,36 @@ static void radeon_check_arguments(struct radeon_device *rdev) if (!radeon_check_pot_argument(radeon_vm_size)) { dev_warn(rdev->dev, "VM size (%d) must be a power of 2\n", radeon_vm_size); - radeon_vm_size = 4096; + radeon_vm_size = 4; } - if (radeon_vm_size < 4) { - dev_warn(rdev->dev, "VM size (%d) to small, min is 4MB\n", + if (radeon_vm_size < 1) { + dev_warn(rdev->dev, "VM size (%d) to small, min is 1GB\n", radeon_vm_size); - radeon_vm_size = 4096; + radeon_vm_size = 4; } /* * Max GPUVM size for Cayman, SI and CI are 40 bits. */ - if (radeon_vm_size > 1024*1024) { - dev_warn(rdev->dev, "VM size (%d) to large, max is 1TB\n", + if (radeon_vm_size > 1024) { + dev_warn(rdev->dev, "VM size (%d) too large, max is 1TB\n", radeon_vm_size); - radeon_vm_size = 4096; + radeon_vm_size = 4; } /* defines number of bits in page table versus page directory, * a page is 4KB so we have 12 bits offset, minimum 9 bits in the * page table and the remaining bits are in the page directory */ if (radeon_vm_block_size < 9) { - dev_warn(rdev->dev, "VM page table size (%d) to small\n", + dev_warn(rdev->dev, "VM page table size (%d) too small\n", radeon_vm_block_size); radeon_vm_block_size = 9; } if (radeon_vm_block_size > 24 || - radeon_vm_size < (1ull << radeon_vm_block_size)) { - dev_warn(rdev->dev, "VM page table size (%d) to large\n", + (radeon_vm_size * 1024) < (1ull << radeon_vm_block_size)) { + dev_warn(rdev->dev, "VM page table size (%d) too large\n", radeon_vm_block_size); radeon_vm_block_size = 9; } @@ -1238,7 +1238,7 @@ int radeon_device_init(struct radeon_device *rdev, /* Adjust VM size here. * Max GPUVM size for cayman+ is 40 bits. */ - rdev->vm_manager.max_pfn = radeon_vm_size << 8; + rdev->vm_manager.max_pfn = radeon_vm_size << 18; /* Set asic functions */ r = radeon_asic_init(rdev); diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 13896edcf0b6..bf25061c8ac4 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -366,7 +366,6 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id) spin_unlock_irqrestore(&rdev->ddev->event_lock, flags); drm_vblank_put(rdev->ddev, radeon_crtc->crtc_id); - radeon_fence_unref(&work->fence); radeon_irq_kms_pflip_irq_put(rdev, work->crtc_id); queue_work(radeon_crtc->flip_queue, &work->unpin_work); } @@ -386,51 +385,108 @@ static void radeon_flip_work_func(struct work_struct *__work) struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[work->crtc_id]; struct drm_crtc *crtc = &radeon_crtc->base; - struct drm_framebuffer *fb = work->fb; - - uint32_t tiling_flags, pitch_pixels; - uint64_t base; - unsigned long flags; int r; down_read(&rdev->exclusive_lock); - while (work->fence) { + if (work->fence) { r = radeon_fence_wait(work->fence, false); if (r == -EDEADLK) { up_read(&rdev->exclusive_lock); r = radeon_gpu_reset(rdev); down_read(&rdev->exclusive_lock); } + if (r) + DRM_ERROR("failed to wait on page flip fence (%d)!\n", r); - if (r) { - DRM_ERROR("failed to wait on page flip fence (%d)!\n", - r); - goto cleanup; - } else - radeon_fence_unref(&work->fence); + /* We continue with the page flip even if we failed to wait on + * the fence, otherwise the DRM core and userspace will be + * confused about which BO the CRTC is scanning out + */ + + radeon_fence_unref(&work->fence); } + /* We borrow the event spin lock for protecting flip_status */ + spin_lock_irqsave(&crtc->dev->event_lock, flags); + + /* set the proper interrupt */ + radeon_irq_kms_pflip_irq_get(rdev, radeon_crtc->crtc_id); + + /* do the flip (mmio) */ + radeon_page_flip(rdev, radeon_crtc->crtc_id, work->base); + + radeon_crtc->flip_status = RADEON_FLIP_SUBMITTED; + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + up_read(&rdev->exclusive_lock); +} + +static int radeon_crtc_page_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event, + uint32_t page_flip_flags) +{ + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + struct radeon_framebuffer *old_radeon_fb; + struct radeon_framebuffer *new_radeon_fb; + struct drm_gem_object *obj; + struct radeon_flip_work *work; + struct radeon_bo *new_rbo; + uint32_t tiling_flags, pitch_pixels; + uint64_t base; + unsigned long flags; + int r; + + work = kzalloc(sizeof *work, GFP_KERNEL); + if (work == NULL) + return -ENOMEM; + + INIT_WORK(&work->flip_work, radeon_flip_work_func); + INIT_WORK(&work->unpin_work, radeon_unpin_work_func); + + work->rdev = rdev; + work->crtc_id = radeon_crtc->crtc_id; + work->event = event; + + /* schedule unpin of the old buffer */ + old_radeon_fb = to_radeon_framebuffer(crtc->primary->fb); + obj = old_radeon_fb->obj; + + /* take a reference to the old object */ + drm_gem_object_reference(obj); + work->old_rbo = gem_to_radeon_bo(obj); + + new_radeon_fb = to_radeon_framebuffer(fb); + obj = new_radeon_fb->obj; + new_rbo = gem_to_radeon_bo(obj); + + spin_lock(&new_rbo->tbo.bdev->fence_lock); + if (new_rbo->tbo.sync_obj) + work->fence = radeon_fence_ref(new_rbo->tbo.sync_obj); + spin_unlock(&new_rbo->tbo.bdev->fence_lock); + /* pin the new buffer */ - DRM_DEBUG_DRIVER("flip-ioctl() cur_fbo = %p, cur_bbo = %p\n", - work->old_rbo, work->new_rbo); + DRM_DEBUG_DRIVER("flip-ioctl() cur_rbo = %p, new_rbo = %p\n", + work->old_rbo, new_rbo); - r = radeon_bo_reserve(work->new_rbo, false); + r = radeon_bo_reserve(new_rbo, false); if (unlikely(r != 0)) { DRM_ERROR("failed to reserve new rbo buffer before flip\n"); goto cleanup; } /* Only 27 bit offset for legacy CRTC */ - r = radeon_bo_pin_restricted(work->new_rbo, RADEON_GEM_DOMAIN_VRAM, + r = radeon_bo_pin_restricted(new_rbo, RADEON_GEM_DOMAIN_VRAM, ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27, &base); if (unlikely(r != 0)) { - radeon_bo_unreserve(work->new_rbo); + radeon_bo_unreserve(new_rbo); r = -EINVAL; DRM_ERROR("failed to pin new rbo buffer before flip\n"); goto cleanup; } - radeon_bo_get_tiling_flags(work->new_rbo, &tiling_flags, NULL); - radeon_bo_unreserve(work->new_rbo); + radeon_bo_get_tiling_flags(new_rbo, &tiling_flags, NULL); + radeon_bo_unreserve(new_rbo); if (!ASIC_IS_AVIVO(rdev)) { /* crtc offset is from display base addr not FB location */ @@ -467,6 +523,7 @@ static void radeon_flip_work_func(struct work_struct *__work) } base &= ~7; } + work->base = base; r = drm_vblank_get(crtc->dev, radeon_crtc->crtc_id); if (r) { @@ -477,100 +534,42 @@ static void radeon_flip_work_func(struct work_struct *__work) /* We borrow the event spin lock for protecting flip_work */ spin_lock_irqsave(&crtc->dev->event_lock, flags); - /* set the proper interrupt */ - radeon_irq_kms_pflip_irq_get(rdev, radeon_crtc->crtc_id); + if (radeon_crtc->flip_status != RADEON_FLIP_NONE) { + DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + r = -EBUSY; + goto vblank_cleanup; + } + radeon_crtc->flip_status = RADEON_FLIP_PENDING; + radeon_crtc->flip_work = work; - /* do the flip (mmio) */ - radeon_page_flip(rdev, radeon_crtc->crtc_id, base); + /* update crtc fb */ + crtc->primary->fb = fb; - radeon_crtc->flip_status = RADEON_FLIP_SUBMITTED; spin_unlock_irqrestore(&crtc->dev->event_lock, flags); - up_read(&rdev->exclusive_lock); - return; + queue_work(radeon_crtc->flip_queue, &work->flip_work); + return 0; + +vblank_cleanup: + drm_vblank_put(crtc->dev, radeon_crtc->crtc_id); pflip_cleanup: - if (unlikely(radeon_bo_reserve(work->new_rbo, false) != 0)) { + if (unlikely(radeon_bo_reserve(new_rbo, false) != 0)) { DRM_ERROR("failed to reserve new rbo in error path\n"); goto cleanup; } - if (unlikely(radeon_bo_unpin(work->new_rbo) != 0)) { + if (unlikely(radeon_bo_unpin(new_rbo) != 0)) { DRM_ERROR("failed to unpin new rbo in error path\n"); } - radeon_bo_unreserve(work->new_rbo); + radeon_bo_unreserve(new_rbo); cleanup: drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base); radeon_fence_unref(&work->fence); kfree(work); - up_read(&rdev->exclusive_lock); -} - -static int radeon_crtc_page_flip(struct drm_crtc *crtc, - struct drm_framebuffer *fb, - struct drm_pending_vblank_event *event, - uint32_t page_flip_flags) -{ - struct drm_device *dev = crtc->dev; - struct radeon_device *rdev = dev->dev_private; - struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); - struct radeon_framebuffer *old_radeon_fb; - struct radeon_framebuffer *new_radeon_fb; - struct drm_gem_object *obj; - struct radeon_flip_work *work; - unsigned long flags; - - work = kzalloc(sizeof *work, GFP_KERNEL); - if (work == NULL) - return -ENOMEM; - - INIT_WORK(&work->flip_work, radeon_flip_work_func); - INIT_WORK(&work->unpin_work, radeon_unpin_work_func); - - work->rdev = rdev; - work->crtc_id = radeon_crtc->crtc_id; - work->fb = fb; - work->event = event; - - /* schedule unpin of the old buffer */ - old_radeon_fb = to_radeon_framebuffer(crtc->primary->fb); - obj = old_radeon_fb->obj; - - /* take a reference to the old object */ - drm_gem_object_reference(obj); - work->old_rbo = gem_to_radeon_bo(obj); - - new_radeon_fb = to_radeon_framebuffer(fb); - obj = new_radeon_fb->obj; - work->new_rbo = gem_to_radeon_bo(obj); - - spin_lock(&work->new_rbo->tbo.bdev->fence_lock); - if (work->new_rbo->tbo.sync_obj) - work->fence = radeon_fence_ref(work->new_rbo->tbo.sync_obj); - spin_unlock(&work->new_rbo->tbo.bdev->fence_lock); - - /* We borrow the event spin lock for protecting flip_work */ - spin_lock_irqsave(&crtc->dev->event_lock, flags); - if (radeon_crtc->flip_status != RADEON_FLIP_NONE) { - DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); - spin_unlock_irqrestore(&crtc->dev->event_lock, flags); - drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base); - radeon_fence_unref(&work->fence); - kfree(work); - return -EBUSY; - } - radeon_crtc->flip_status = RADEON_FLIP_PENDING; - radeon_crtc->flip_work = work; - - /* update crtc fb */ - crtc->primary->fb = fb; - - spin_unlock_irqrestore(&crtc->dev->event_lock, flags); - - queue_work(radeon_crtc->flip_queue, &work->flip_work); - - return 0; + return r; } static int @@ -830,6 +829,10 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector) struct radeon_device *rdev = dev->dev_private; int ret = 0; + /* don't leak the edid if we already fetched it in detect() */ + if (radeon_connector->edid) + goto got_edid; + /* on hw with routers, select right port */ if (radeon_connector->router.ddc_valid) radeon_router_select_ddc_port(radeon_connector); @@ -868,6 +871,7 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector) radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); } if (radeon_connector->edid) { +got_edid: drm_mode_connector_update_edid_property(&radeon_connector->base, radeon_connector->edid); ret = drm_add_edid_modes(&radeon_connector->base, radeon_connector->edid); drm_edid_to_eld(&radeon_connector->base, radeon_connector->edid); diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index cb1421369e3a..e9e361084249 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -173,7 +173,7 @@ int radeon_dpm = -1; int radeon_aspm = -1; int radeon_runtime_pm = -1; int radeon_hard_reset = 0; -int radeon_vm_size = 4096; +int radeon_vm_size = 4; int radeon_vm_block_size = 9; int radeon_deep_color = 0; @@ -243,7 +243,7 @@ module_param_named(runpm, radeon_runtime_pm, int, 0444); MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))"); module_param_named(hard_reset, radeon_hard_reset, int, 0444); -MODULE_PARM_DESC(vm_size, "VM address space size in megabytes (default 4GB)"); +MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)"); module_param_named(vm_size, radeon_vm_size, int, 0444); MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default 9)"); diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 35d931881b4b..d25ae6acfd5a 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -579,7 +579,7 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) /* new gpu have virtual address space support */ if (rdev->family >= CHIP_CAYMAN) { struct radeon_fpriv *fpriv; - struct radeon_bo_va *bo_va; + struct radeon_vm *vm; int r; fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL); @@ -587,7 +587,8 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) return -ENOMEM; } - r = radeon_vm_init(rdev, &fpriv->vm); + vm = &fpriv->vm; + r = radeon_vm_init(rdev, vm); if (r) { kfree(fpriv); return r; @@ -596,22 +597,23 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) if (rdev->accel_working) { r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false); if (r) { - radeon_vm_fini(rdev, &fpriv->vm); + radeon_vm_fini(rdev, vm); kfree(fpriv); return r; } /* map the ib pool buffer read only into * virtual address space */ - bo_va = radeon_vm_bo_add(rdev, &fpriv->vm, - rdev->ring_tmp_bo.bo); - r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET, + vm->ib_bo_va = radeon_vm_bo_add(rdev, vm, + rdev->ring_tmp_bo.bo); + r = radeon_vm_bo_set_addr(rdev, vm->ib_bo_va, + RADEON_VA_IB_OFFSET, RADEON_VM_PAGE_READABLE | RADEON_VM_PAGE_SNOOPED); radeon_bo_unreserve(rdev->ring_tmp_bo.bo); if (r) { - radeon_vm_fini(rdev, &fpriv->vm); + radeon_vm_fini(rdev, vm); kfree(fpriv); return r; } @@ -640,21 +642,19 @@ void radeon_driver_postclose_kms(struct drm_device *dev, /* new gpu have virtual address space support */ if (rdev->family >= CHIP_CAYMAN && file_priv->driver_priv) { struct radeon_fpriv *fpriv = file_priv->driver_priv; - struct radeon_bo_va *bo_va; + struct radeon_vm *vm = &fpriv->vm; int r; if (rdev->accel_working) { r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false); if (!r) { - bo_va = radeon_vm_bo_find(&fpriv->vm, - rdev->ring_tmp_bo.bo); - if (bo_va) - radeon_vm_bo_rmv(rdev, bo_va); + if (vm->ib_bo_va) + radeon_vm_bo_rmv(rdev, vm->ib_bo_va); radeon_bo_unreserve(rdev->ring_tmp_bo.bo); } } - radeon_vm_fini(rdev, &fpriv->vm); + radeon_vm_fini(rdev, vm); kfree(fpriv); file_priv->driver_priv = NULL; } diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c index eecff6bbd341..725d3669014f 100644 --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -332,6 +332,7 @@ struct radeon_bo_va *radeon_vm_bo_add(struct radeon_device *rdev, bo_va->ref_count = 1; INIT_LIST_HEAD(&bo_va->bo_list); INIT_LIST_HEAD(&bo_va->vm_list); + INIT_LIST_HEAD(&bo_va->vm_status); mutex_lock(&vm->mutex); list_add(&bo_va->vm_list, &vm->va); @@ -468,6 +469,19 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev, head = &tmp->vm_list; } + if (bo_va->soffset) { + /* add a clone of the bo_va to clear the old address */ + tmp = kzalloc(sizeof(struct radeon_bo_va), GFP_KERNEL); + if (!tmp) { + mutex_unlock(&vm->mutex); + return -ENOMEM; + } + tmp->soffset = bo_va->soffset; + tmp->eoffset = bo_va->eoffset; + tmp->vm = vm; + list_add(&tmp->vm_status, &vm->freed); + } + bo_va->soffset = soffset; bo_va->eoffset = eoffset; bo_va->flags = flags; @@ -823,25 +837,19 @@ static void radeon_vm_update_ptes(struct radeon_device *rdev, * Object have to be reserved and mutex must be locked! */ int radeon_vm_bo_update(struct radeon_device *rdev, - struct radeon_vm *vm, - struct radeon_bo *bo, + struct radeon_bo_va *bo_va, struct ttm_mem_reg *mem) { + struct radeon_vm *vm = bo_va->vm; struct radeon_ib ib; - struct radeon_bo_va *bo_va; unsigned nptes, ndw; uint64_t addr; int r; - bo_va = radeon_vm_bo_find(vm, bo); - if (bo_va == NULL) { - dev_err(rdev->dev, "bo %p not in vm %p\n", bo, vm); - return -EINVAL; - } if (!bo_va->soffset) { dev_err(rdev->dev, "bo %p don't has a mapping in vm %p\n", - bo, vm); + bo_va->bo, vm); return -EINVAL; } @@ -868,7 +876,7 @@ int radeon_vm_bo_update(struct radeon_device *rdev, trace_radeon_vm_bo_update(bo_va); - nptes = radeon_bo_ngpu_pages(bo); + nptes = (bo_va->eoffset - bo_va->soffset) / RADEON_GPU_PAGE_SIZE; /* padding, etc. */ ndw = 64; @@ -911,33 +919,61 @@ int radeon_vm_bo_update(struct radeon_device *rdev, } /** + * radeon_vm_clear_freed - clear freed BOs in the PT + * + * @rdev: radeon_device pointer + * @vm: requested vm + * + * Make sure all freed BOs are cleared in the PT. + * Returns 0 for success. + * + * PTs have to be reserved and mutex must be locked! + */ +int radeon_vm_clear_freed(struct radeon_device *rdev, + struct radeon_vm *vm) +{ + struct radeon_bo_va *bo_va, *tmp; + int r; + + list_for_each_entry_safe(bo_va, tmp, &vm->freed, vm_status) { + list_del(&bo_va->vm_status); + r = radeon_vm_bo_update(rdev, bo_va, NULL); + kfree(bo_va); + if (r) + return r; + } + return 0; + +} + +/** * radeon_vm_bo_rmv - remove a bo to a specific vm * * @rdev: radeon_device pointer * @bo_va: requested bo_va * * Remove @bo_va->bo from the requested vm (cayman+). - * Remove @bo_va->bo from the list of bos associated with the bo_va->vm and - * remove the ptes for @bo_va in the page table. - * Returns 0 for success. * * Object have to be reserved! */ -int radeon_vm_bo_rmv(struct radeon_device *rdev, - struct radeon_bo_va *bo_va) +void radeon_vm_bo_rmv(struct radeon_device *rdev, + struct radeon_bo_va *bo_va) { - int r = 0; + struct radeon_vm *vm = bo_va->vm; - mutex_lock(&bo_va->vm->mutex); - if (bo_va->soffset) - r = radeon_vm_bo_update(rdev, bo_va->vm, bo_va->bo, NULL); + list_del(&bo_va->bo_list); + mutex_lock(&vm->mutex); list_del(&bo_va->vm_list); - mutex_unlock(&bo_va->vm->mutex); - list_del(&bo_va->bo_list); - kfree(bo_va); - return r; + if (bo_va->soffset) { + bo_va->bo = NULL; + list_add(&bo_va->vm_status, &vm->freed); + } else { + kfree(bo_va); + } + + mutex_unlock(&vm->mutex); } /** @@ -975,11 +1011,13 @@ int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm) int r; vm->id = 0; + vm->ib_bo_va = NULL; vm->fence = NULL; vm->last_flush = NULL; vm->last_id_use = NULL; mutex_init(&vm->mutex); INIT_LIST_HEAD(&vm->va); + INIT_LIST_HEAD(&vm->freed); pd_size = radeon_vm_directory_size(rdev); pd_entries = radeon_vm_num_pdes(rdev); @@ -1034,7 +1072,8 @@ void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm) kfree(bo_va); } } - + list_for_each_entry_safe(bo_va, tmp, &vm->freed, vm_status) + kfree(bo_va); for (i = 0; i < radeon_vm_num_pdes(rdev); i++) radeon_bo_unref(&vm->page_tables[i].bo); diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c index 237dd29d9f1c..3e21e869015f 100644 --- a/drivers/gpu/drm/radeon/rv515.c +++ b/drivers/gpu/drm/radeon/rv515.c @@ -406,8 +406,9 @@ void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save) for (i = 0; i < rdev->num_crtc; i++) { if (save->crtc_enabled[i]) { tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i]); - if ((tmp & 0x3) != 0) { - tmp &= ~0x3; + if ((tmp & 0x7) != 3) { + tmp &= ~0x7; + tmp |= 0x3; WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i], tmp); } tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]); diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index eba0225259a4..9e854fd016da 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -6103,6 +6103,7 @@ static inline u32 si_get_ih_wptr(struct radeon_device *rdev) tmp = RREG32(IH_RB_CNTL); tmp |= IH_WPTR_OVERFLOW_CLEAR; WREG32(IH_RB_CNTL, tmp); + wptr &= ~RB_OVERFLOW; } return (wptr & rdev->ih.ptr_mask); } diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c index 20da6ff183df..32e50be9c4ac 100644 --- a/drivers/gpu/drm/radeon/trinity_dpm.c +++ b/drivers/gpu/drm/radeon/trinity_dpm.c @@ -1874,15 +1874,16 @@ int trinity_dpm_init(struct radeon_device *rdev) for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) pi->at[i] = TRINITY_AT_DFLT; - /* There are stability issues reported on latops with - * bapm installed when switching between AC and battery - * power. At the same time, some desktop boards hang - * if it's not enabled and dpm is enabled. + /* There are stability issues reported on with + * bapm enabled when switching between AC and battery + * power. At the same time, some MSI boards hang + * if it's not enabled and dpm is enabled. Just enable + * it for MSI boards right now. */ - if (rdev->flags & RADEON_IS_MOBILITY) - pi->enable_bapm = false; - else + if (rdev->pdev->subsystem_vendor == 0x1462) pi->enable_bapm = true; + else + pi->enable_bapm = false; pi->enable_nbps_policy = true; pi->enable_sclk_ds = true; pi->enable_gfx_power_gating = true; diff --git a/drivers/hv/hv_fcopy.c b/drivers/hv/hv_fcopy.c index eaaa3d843b80..23b2ce294c4c 100644 --- a/drivers/hv/hv_fcopy.c +++ b/drivers/hv/hv_fcopy.c @@ -246,8 +246,8 @@ void hv_fcopy_onchannelcallback(void *context) /* * Send the information to the user-level daemon. */ - fcopy_send_data(); schedule_delayed_work(&fcopy_work, 5*HZ); + fcopy_send_data(); return; } icmsghdr->icflags = ICMSGHDRFLAG_TRANSACTION | ICMSGHDRFLAG_RESPONSE; diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c index 0f4dea5ccf17..9ee3913850d6 100644 --- a/drivers/hwmon/adt7470.c +++ b/drivers/hwmon/adt7470.c @@ -515,7 +515,7 @@ static ssize_t set_temp_min(struct device *dev, return -EINVAL; temp = DIV_ROUND_CLOSEST(temp, 1000); - temp = clamp_val(temp, 0, 255); + temp = clamp_val(temp, -128, 127); mutex_lock(&data->lock); data->temp_min[attr->index] = temp; @@ -549,7 +549,7 @@ static ssize_t set_temp_max(struct device *dev, return -EINVAL; temp = DIV_ROUND_CLOSEST(temp, 1000); - temp = clamp_val(temp, 0, 255); + temp = clamp_val(temp, -128, 127); mutex_lock(&data->lock); data->temp_max[attr->index] = temp; @@ -826,7 +826,7 @@ static ssize_t set_pwm_tmin(struct device *dev, return -EINVAL; temp = DIV_ROUND_CLOSEST(temp, 1000); - temp = clamp_val(temp, 0, 255); + temp = clamp_val(temp, -128, 127); mutex_lock(&data->lock); data->pwm_tmin[attr->index] = temp; diff --git a/drivers/hwmon/da9052-hwmon.c b/drivers/hwmon/da9052-hwmon.c index afd31042b452..d14ab3c45daa 100644 --- a/drivers/hwmon/da9052-hwmon.c +++ b/drivers/hwmon/da9052-hwmon.c @@ -194,7 +194,7 @@ static ssize_t da9052_hwmon_show_name(struct device *dev, struct device_attribute *devattr, char *buf) { - return sprintf(buf, "da9052-hwmon\n"); + return sprintf(buf, "da9052\n"); } static ssize_t show_label(struct device *dev, diff --git a/drivers/hwmon/da9055-hwmon.c b/drivers/hwmon/da9055-hwmon.c index 73b3865f1207..35eb7738d711 100644 --- a/drivers/hwmon/da9055-hwmon.c +++ b/drivers/hwmon/da9055-hwmon.c @@ -204,7 +204,7 @@ static ssize_t da9055_hwmon_show_name(struct device *dev, struct device_attribute *devattr, char *buf) { - return sprintf(buf, "da9055-hwmon\n"); + return sprintf(buf, "da9055\n"); } static ssize_t show_label(struct device *dev, diff --git a/drivers/hwmon/smsc47m192.c b/drivers/hwmon/smsc47m192.c index efee4c59239f..34b9a601ad07 100644 --- a/drivers/hwmon/smsc47m192.c +++ b/drivers/hwmon/smsc47m192.c @@ -86,7 +86,7 @@ static inline u8 IN_TO_REG(unsigned long val, int n) */ static inline s8 TEMP_TO_REG(int val) { - return clamp_val(SCALE(val, 1, 1000), -128000, 127000); + return SCALE(clamp_val(val, -128000, 127000), 1, 1000); } static inline int TEMP_FROM_REG(s8 val) @@ -384,6 +384,8 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, err = kstrtoul(buf, 10, &val); if (err) return err; + if (val > 255) + return -EINVAL; data->vrm = val; return count; diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index 8fb46aab2d87..a04c49f2a011 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -416,6 +416,7 @@ config BLK_DEV_CY82C693 config BLK_DEV_CS5520 tristate "Cyrix CS5510/20 MediaGX chipset support (VERY EXPERIMENTAL)" + depends on X86_32 || COMPILE_TEST select BLK_DEV_IDEDMA_PCI help Include support for PIO tuning and virtual DMA on the Cyrix MediaGX @@ -426,6 +427,7 @@ config BLK_DEV_CS5520 config BLK_DEV_CS5530 tristate "Cyrix/National Semiconductor CS5530 MediaGX chipset support" + depends on X86_32 || COMPILE_TEST select BLK_DEV_IDEDMA_PCI help Include support for UDMA on the Cyrix MediaGX 5530 chipset. This @@ -435,7 +437,7 @@ config BLK_DEV_CS5530 config BLK_DEV_CS5535 tristate "AMD CS5535 chipset support" - depends on X86 && !X86_64 + depends on X86_32 select BLK_DEV_IDEDMA_PCI help Include support for UDMA on the NSC/AMD CS5535 companion chipset. @@ -486,6 +488,7 @@ config BLK_DEV_JMICRON config BLK_DEV_SC1200 tristate "National SCx200 chipset support" + depends on X86_32 || COMPILE_TEST select BLK_DEV_IDEDMA_PCI help This driver adds support for the on-board IDE controller on the diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 2a744a91370e..a3d3b1733c49 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -853,8 +853,9 @@ static int init_irq (ide_hwif_t *hwif) if (irq_handler == NULL) irq_handler = ide_intr; - if (request_irq(hwif->irq, irq_handler, sa, hwif->name, hwif)) - goto out_up; + if (!host->get_lock) + if (request_irq(hwif->irq, irq_handler, sa, hwif->name, hwif)) + goto out_up; #if !defined(__mc68000__) printk(KERN_INFO "%s at 0x%03lx-0x%03lx,0x%03lx on irq %d", hwif->name, @@ -1533,7 +1534,8 @@ static void ide_unregister(ide_hwif_t *hwif) ide_proc_unregister_port(hwif); - free_irq(hwif->irq, hwif); + if (!hwif->host->get_lock) + free_irq(hwif->irq, hwif); device_unregister(hwif->portdev); device_unregister(&hwif->gendev); diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c index a7e68c81f89d..a077cc86421b 100644 --- a/drivers/iio/accel/bma180.c +++ b/drivers/iio/accel/bma180.c @@ -68,13 +68,13 @@ /* Defaults values */ #define BMA180_DEF_PMODE 0 #define BMA180_DEF_BW 20 -#define BMA180_DEF_SCALE 250 +#define BMA180_DEF_SCALE 2452 /* Available values for sysfs */ #define BMA180_FLP_FREQ_AVAILABLE \ "10 20 40 75 150 300" #define BMA180_SCALE_AVAILABLE \ - "0.000130 0.000190 0.000250 0.000380 0.000500 0.000990 0.001980" + "0.001275 0.001863 0.002452 0.003727 0.004903 0.009709 0.019417" struct bma180_data { struct i2c_client *client; @@ -94,7 +94,7 @@ enum bma180_axis { }; static int bw_table[] = { 10, 20, 40, 75, 150, 300 }; /* Hz */ -static int scale_table[] = { 130, 190, 250, 380, 500, 990, 1980 }; +static int scale_table[] = { 1275, 1863, 2452, 3727, 4903, 9709, 19417 }; static int bma180_get_acc_reg(struct bma180_data *data, enum bma180_axis axis) { @@ -376,6 +376,8 @@ static int bma180_write_raw(struct iio_dev *indio_dev, mutex_unlock(&data->mutex); return ret; case IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY: + if (val2) + return -EINVAL; mutex_lock(&data->mutex); ret = bma180_set_bw(data, val); mutex_unlock(&data->mutex); diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c index 17aeea170566..2a5fa9a436e5 100644 --- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -111,8 +111,14 @@ static const int mma8452_samp_freq[8][2] = { {6, 250000}, {1, 560000} }; +/* + * Hardware has fullscale of -2G, -4G, -8G corresponding to raw value -2048 + * The userspace interface uses m/s^2 and we declare micro units + * So scale factor is given by: + * g * N * 1000000 / 2048 for N = 2, 4, 8 and g=9.80665 + */ static const int mma8452_scales[3][2] = { - {0, 977}, {0, 1953}, {0, 3906} + {0, 9577}, {0, 19154}, {0, 38307} }; static ssize_t mma8452_show_samp_freq_avail(struct device *dev, diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index 36b1ae92e239..9f1a14009901 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -966,7 +966,7 @@ static int iio_buffer_update_demux(struct iio_dev *indio_dev, /* Now we have the two masks, work from least sig and build up sizes */ for_each_set_bit(out_ind, - indio_dev->active_scan_mask, + buffer->scan_mask, indio_dev->masklength) { in_ind = find_next_bit(indio_dev->active_scan_mask, indio_dev->masklength, diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c index 258a973a1fb8..bfbf4d419f41 100644 --- a/drivers/iio/industrialio-event.c +++ b/drivers/iio/industrialio-event.c @@ -345,6 +345,9 @@ static int iio_device_add_event(struct iio_dev *indio_dev, &indio_dev->event_interface->dev_attr_list); kfree(postfix); + if ((ret == -EBUSY) && (shared_by != IIO_SEPARATE)) + continue; + if (ret) return ret; diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 5e153f6d4b48..768a0fb67dd6 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -432,8 +432,17 @@ static void arp_failure_discard(void *handle, struct sk_buff *skb) */ static void act_open_req_arp_failure(void *handle, struct sk_buff *skb) { + struct c4iw_ep *ep = handle; + printk(KERN_ERR MOD "ARP failure duing connect\n"); kfree_skb(skb); + connect_reply_upcall(ep, -EHOSTUNREACH); + state_set(&ep->com, DEAD); + remove_handle(ep->com.dev, &ep->com.dev->atid_idr, ep->atid); + cxgb4_free_atid(ep->com.dev->rdev.lldi.tids, ep->atid); + dst_release(ep->dst); + cxgb4_l2t_release(ep->l2t); + c4iw_put_ep(&ep->com); } /* @@ -658,7 +667,7 @@ static int send_connect(struct c4iw_ep *ep) opt2 |= T5_OPT_2_VALID; opt2 |= V_CONG_CNTRL(CONG_ALG_TAHOE); } - t4_set_arp_err_handler(skb, NULL, act_open_req_arp_failure); + t4_set_arp_err_handler(skb, ep, act_open_req_arp_failure); if (is_t4(ep->com.dev->rdev.lldi.adapter_type)) { if (ep->com.remote_addr.ss_family == AF_INET) { @@ -2180,7 +2189,6 @@ static void reject_cr(struct c4iw_dev *dev, u32 hwtid, struct sk_buff *skb) PDBG("%s c4iw_dev %p tid %u\n", __func__, dev, hwtid); BUG_ON(skb_cloned(skb)); skb_trim(skb, sizeof(struct cpl_tid_release)); - skb_get(skb); release_tid(&dev->rdev, hwtid, skb); return; } @@ -3917,7 +3925,7 @@ int __init c4iw_cm_init(void) return 0; } -void __exit c4iw_cm_term(void) +void c4iw_cm_term(void) { WARN_ON(!list_empty(&timeout_list)); flush_workqueue(workq); diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c index dd93aadc996e..7db82b24302b 100644 --- a/drivers/infiniband/hw/cxgb4/device.c +++ b/drivers/infiniband/hw/cxgb4/device.c @@ -696,6 +696,7 @@ static int c4iw_rdev_open(struct c4iw_rdev *rdev) pr_err(MOD "error allocating status page\n"); goto err4; } + rdev->status_page->db_off = 0; return 0; err4: c4iw_rqtpool_destroy(rdev); @@ -729,7 +730,6 @@ static void c4iw_dealloc(struct uld_ctx *ctx) if (ctx->dev->rdev.oc_mw_kva) iounmap(ctx->dev->rdev.oc_mw_kva); ib_dealloc_device(&ctx->dev->ibdev); - iwpm_exit(RDMA_NL_C4IW); ctx->dev = NULL; } @@ -826,12 +826,6 @@ static struct c4iw_dev *c4iw_alloc(const struct cxgb4_lld_info *infop) setup_debugfs(devp); } - ret = iwpm_init(RDMA_NL_C4IW); - if (ret) { - pr_err("port mapper initialization failed with %d\n", ret); - ib_dealloc_device(&devp->ibdev); - return ERR_PTR(ret); - } return devp; } @@ -1332,6 +1326,15 @@ static int __init c4iw_init_module(void) pr_err("%s[%u]: Failed to add netlink callback\n" , __func__, __LINE__); + err = iwpm_init(RDMA_NL_C4IW); + if (err) { + pr_err("port mapper initialization failed with %d\n", err); + ibnl_remove_client(RDMA_NL_C4IW); + c4iw_cm_term(); + debugfs_remove_recursive(c4iw_debugfs_root); + return err; + } + cxgb4_register_uld(CXGB4_ULD_RDMA, &c4iw_uld_info); return 0; @@ -1349,6 +1352,7 @@ static void __exit c4iw_exit_module(void) } mutex_unlock(&dev_mutex); cxgb4_unregister_uld(CXGB4_ULD_RDMA); + iwpm_exit(RDMA_NL_C4IW); ibnl_remove_client(RDMA_NL_C4IW); c4iw_cm_term(); debugfs_remove_recursive(c4iw_debugfs_root); diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h index 125bc5d1e175..361fff7a0742 100644 --- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h +++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h @@ -908,7 +908,7 @@ int c4iw_destroy_ctrl_qp(struct c4iw_rdev *rdev); int c4iw_register_device(struct c4iw_dev *dev); void c4iw_unregister_device(struct c4iw_dev *dev); int __init c4iw_cm_init(void); -void __exit c4iw_cm_term(void); +void c4iw_cm_term(void); void c4iw_release_dev_ucontext(struct c4iw_rdev *rdev, struct c4iw_dev_ucontext *uctx); void c4iw_init_dev_ucontext(struct c4iw_rdev *rdev, diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index d13ddf1c0033..bbbcf389272c 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -675,7 +675,7 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev, int err; uuari = &dev->mdev.priv.uuari; - if (init_attr->create_flags & ~IB_QP_CREATE_SIGNATURE_EN) + if (init_attr->create_flags & ~(IB_QP_CREATE_SIGNATURE_EN | IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK)) return -EINVAL; if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) diff --git a/drivers/input/input.c b/drivers/input/input.c index 1c4c0db05550..29ca0bb4f561 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -257,9 +257,10 @@ static int input_handle_abs_event(struct input_dev *dev, } static int input_get_disposition(struct input_dev *dev, - unsigned int type, unsigned int code, int value) + unsigned int type, unsigned int code, int *pval) { int disposition = INPUT_IGNORE_EVENT; + int value = *pval; switch (type) { @@ -357,6 +358,7 @@ static int input_get_disposition(struct input_dev *dev, break; } + *pval = value; return disposition; } @@ -365,7 +367,7 @@ static void input_handle_event(struct input_dev *dev, { int disposition; - disposition = input_get_disposition(dev, type, code, value); + disposition = input_get_disposition(dev, type, code, &value); if ((disposition & INPUT_PASS_TO_DEVICE) && dev->event) dev->event(dev, type, code, value); diff --git a/drivers/input/keyboard/st-keyscan.c b/drivers/input/keyboard/st-keyscan.c index 758b48731415..de7be4f03d91 100644 --- a/drivers/input/keyboard/st-keyscan.c +++ b/drivers/input/keyboard/st-keyscan.c @@ -215,6 +215,7 @@ static int keyscan_probe(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM_SLEEP static int keyscan_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); @@ -249,6 +250,7 @@ static int keyscan_resume(struct device *dev) mutex_unlock(&input->mutex); return retval; } +#endif static SIMPLE_DEV_PM_OPS(keyscan_dev_pm_ops, keyscan_suspend, keyscan_resume); diff --git a/drivers/input/misc/sirfsoc-onkey.c b/drivers/input/misc/sirfsoc-onkey.c index e4104f9b2e6d..fed5102e1802 100644 --- a/drivers/input/misc/sirfsoc-onkey.c +++ b/drivers/input/misc/sirfsoc-onkey.c @@ -213,7 +213,7 @@ static struct platform_driver sirfsoc_pwrc_driver = { module_platform_driver(sirfsoc_pwrc_driver); -MODULE_LICENSE("GPLv2"); +MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Binghua Duan <Binghua.Duan@csr.com>, Xianglong Du <Xianglong.Du@csr.com>"); MODULE_DESCRIPTION("CSR Prima2 PWRC Driver"); MODULE_ALIAS("platform:sirfsoc-pwrc"); diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index ec772d962f06..ef9e0b8a9aa7 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -132,7 +132,8 @@ static const struct min_max_quirk min_max_pnpid_table[] = { 1232, 5710, 1156, 4696 }, { - (const char * const []){"LEN0034", "LEN0036", "LEN2004", NULL}, + (const char * const []){"LEN0034", "LEN0036", "LEN2002", + "LEN2004", NULL}, 1024, 5112, 2024, 4832 }, { @@ -168,7 +169,7 @@ static const char * const topbuttonpad_pnp_ids[] = { "LEN0049", "LEN2000", "LEN2001", /* Edge E431 */ - "LEN2002", + "LEN2002", /* Edge E531 */ "LEN2003", "LEN2004", /* L440 */ "LEN2005", diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 381b20d4c561..136b7b204f56 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -402,6 +402,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { }, }, { + /* Acer Aspire 5710 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"), + }, + }, + { /* Gericom Bellagio */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Gericom"), diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index 977d05cd9e2e..e73cf2c71f35 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -1217,9 +1217,9 @@ static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data) * a=(pi*r^2)/C. */ int a = data[5]; - int x_res = input_abs_get_res(input, ABS_X); - int y_res = input_abs_get_res(input, ABS_Y); - width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE); + int x_res = input_abs_get_res(input, ABS_MT_POSITION_X); + int y_res = input_abs_get_res(input, ABS_MT_POSITION_Y); + width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE); height = width * y_res / x_res; } @@ -1587,7 +1587,7 @@ static void wacom_abs_set_axis(struct input_dev *input_dev, input_abs_set_res(input_dev, ABS_X, features->x_resolution); input_abs_set_res(input_dev, ABS_Y, features->y_resolution); } else { - if (features->touch_max <= 2) { + if (features->touch_max == 1) { input_set_abs_params(input_dev, ABS_X, 0, features->x_max, features->x_fuzz, 0); input_set_abs_params(input_dev, ABS_Y, 0, @@ -1815,14 +1815,8 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev, case MTTPC: case MTTPC_B: case TABLETPC2FG: - if (features->device_type == BTN_TOOL_FINGER) { - unsigned int flags = INPUT_MT_DIRECT; - - if (wacom_wac->features.type == TABLETPC2FG) - flags = 0; - - input_mt_init_slots(input_dev, features->touch_max, flags); - } + if (features->device_type == BTN_TOOL_FINGER && features->touch_max > 1) + input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_DIRECT); /* fall through */ case TABLETPC: @@ -1883,10 +1877,6 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev, __set_bit(BTN_RIGHT, input_dev->keybit); if (features->touch_max) { - /* touch interface */ - unsigned int flags = INPUT_MT_POINTER; - - __set_bit(INPUT_PROP_POINTER, input_dev->propbit); if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) { input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, @@ -1894,12 +1884,8 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev, input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0, features->y_max, 0, 0); - } else { - __set_bit(BTN_TOOL_FINGER, input_dev->keybit); - __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit); - flags = 0; } - input_mt_init_slots(input_dev, features->touch_max, flags); + input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER); } else { /* buttons/keys only interface */ __clear_bit(ABS_X, input_dev->absbit); diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c b/drivers/input/touchscreen/ti_am335x_tsc.c index 4e793a17361f..2ce649520fe0 100644 --- a/drivers/input/touchscreen/ti_am335x_tsc.c +++ b/drivers/input/touchscreen/ti_am335x_tsc.c @@ -359,9 +359,12 @@ static int titsc_parse_dt(struct platform_device *pdev, */ err = of_property_read_u32(node, "ti,coordinate-readouts", &ts_dev->coordinate_readouts); - if (err < 0) + if (err < 0) { + dev_warn(&pdev->dev, "please use 'ti,coordinate-readouts' instead\n"); err = of_property_read_u32(node, "ti,coordiante-readouts", &ts_dev->coordinate_readouts); + } + if (err < 0) return err; diff --git a/drivers/iommu/fsl_pamu.c b/drivers/iommu/fsl_pamu.c index b99dd88e31b9..bb446d742a2d 100644 --- a/drivers/iommu/fsl_pamu.c +++ b/drivers/iommu/fsl_pamu.c @@ -170,10 +170,10 @@ int pamu_disable_liodn(int liodn) static unsigned int map_addrspace_size_to_wse(phys_addr_t addrspace_size) { /* Bug if not a power of 2 */ - BUG_ON(!is_power_of_2(addrspace_size)); + BUG_ON((addrspace_size & (addrspace_size - 1))); /* window size is 2^(WSE+1) bytes */ - return __ffs(addrspace_size) - 1; + return fls64(addrspace_size) - 2; } /* Derive the PAACE window count encoding for the subwindow count */ @@ -351,7 +351,7 @@ int pamu_config_ppaace(int liodn, phys_addr_t win_addr, phys_addr_t win_size, struct paace *ppaace; unsigned long fspi; - if (!is_power_of_2(win_size) || win_size < PAMU_PAGE_SIZE) { + if ((win_size & (win_size - 1)) || win_size < PAMU_PAGE_SIZE) { pr_debug("window size too small or not a power of two %llx\n", win_size); return -EINVAL; } @@ -464,7 +464,7 @@ int pamu_config_spaace(int liodn, u32 subwin_cnt, u32 subwin, return -ENOENT; } - if (!is_power_of_2(subwin_size) || subwin_size < PAMU_PAGE_SIZE) { + if ((subwin_size & (subwin_size - 1)) || subwin_size < PAMU_PAGE_SIZE) { pr_debug("subwindow size out of range, or not a power of 2\n"); return -EINVAL; } diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c index 93072ba44b1d..af47648301a9 100644 --- a/drivers/iommu/fsl_pamu_domain.c +++ b/drivers/iommu/fsl_pamu_domain.c @@ -301,7 +301,7 @@ static int check_size(u64 size, dma_addr_t iova) * Size must be a power of two and at least be equal * to PAMU page size. */ - if (!is_power_of_2(size) || size < PAMU_PAGE_SIZE) { + if ((size & (size - 1)) || size < PAMU_PAGE_SIZE) { pr_debug("%s: size too small or not a power of two\n", __func__); return -EINVAL; } @@ -335,11 +335,6 @@ static struct fsl_dma_domain *iommu_alloc_dma_domain(void) return domain; } -static inline struct device_domain_info *find_domain(struct device *dev) -{ - return dev->archdata.iommu_domain; -} - static void remove_device_ref(struct device_domain_info *info, u32 win_cnt) { unsigned long flags; @@ -380,7 +375,7 @@ static void attach_device(struct fsl_dma_domain *dma_domain, int liodn, struct d * Check here if the device is already attached to domain or not. * If the device is already attached to a domain detach it. */ - old_domain_info = find_domain(dev); + old_domain_info = dev->archdata.iommu_domain; if (old_domain_info && old_domain_info->domain != dma_domain) { spin_unlock_irqrestore(&device_domain_lock, flags); detach_device(dev, old_domain_info->domain); @@ -399,7 +394,7 @@ static void attach_device(struct fsl_dma_domain *dma_domain, int liodn, struct d * the info for the first LIODN as all * LIODNs share the same domain */ - if (!old_domain_info) + if (!dev->archdata.iommu_domain) dev->archdata.iommu_domain = info; spin_unlock_irqrestore(&device_domain_lock, flags); @@ -1042,12 +1037,15 @@ root_bus: group = get_shared_pci_device_group(pdev); } + if (!group) + group = ERR_PTR(-ENODEV); + return group; } static int fsl_pamu_add_device(struct device *dev) { - struct iommu_group *group = NULL; + struct iommu_group *group = ERR_PTR(-ENODEV); struct pci_dev *pdev; const u32 *prop; int ret, len; @@ -1070,7 +1068,7 @@ static int fsl_pamu_add_device(struct device *dev) group = get_device_iommu_group(dev); } - if (!group || IS_ERR(group)) + if (IS_ERR(group)) return PTR_ERR(group); ret = iommu_group_add_device(group, dev); diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 7e11c9d6ae8c..7c131cf7cc13 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -42,6 +42,7 @@ #include <linux/irqchip/chained_irq.h> #include <linux/irqchip/arm-gic.h> +#include <asm/cputype.h> #include <asm/irq.h> #include <asm/exception.h> #include <asm/smp_plat.h> @@ -954,7 +955,9 @@ void __init gic_init_bases(unsigned int gic_nr, int irq_start, } for_each_possible_cpu(cpu) { - unsigned long offset = percpu_offset * cpu_logical_map(cpu); + u32 mpidr = cpu_logical_map(cpu); + u32 core_id = MPIDR_AFFINITY_LEVEL(mpidr, 0); + unsigned long offset = percpu_offset * core_id; *per_cpu_ptr(gic->dist_base.percpu_base, cpu) = dist_base + offset; *per_cpu_ptr(gic->cpu_base.percpu_base, cpu) = cpu_base + offset; } @@ -1071,8 +1074,10 @@ gic_of_init(struct device_node *node, struct device_node *parent) gic_cnt++; return 0; } +IRQCHIP_DECLARE(gic_400, "arm,gic-400", gic_of_init); IRQCHIP_DECLARE(cortex_a15_gic, "arm,cortex-a15-gic", gic_of_init); IRQCHIP_DECLARE(cortex_a9_gic, "arm,cortex-a9-gic", gic_of_init); +IRQCHIP_DECLARE(cortex_a7_gic, "arm,cortex-a7-gic", gic_of_init); IRQCHIP_DECLARE(msm_8660_qgic, "qcom,msm-8660-qgic", gic_of_init); IRQCHIP_DECLARE(msm_qgic2, "qcom,msm-qgic2", gic_of_init); diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c index c44950d3eb7b..b7ae0a0dd5b6 100644 --- a/drivers/isdn/gigaset/bas-gigaset.c +++ b/drivers/isdn/gigaset/bas-gigaset.c @@ -2400,6 +2400,7 @@ allocerr: error: freeurbs(cs); usb_set_intfdata(interface, NULL); + usb_put_dev(udev); gigaset_freecs(cs); return rc; } diff --git a/drivers/isdn/hisax/l3ni1.c b/drivers/isdn/hisax/l3ni1.c index 0df6691d045c..8dc791bfaa6f 100644 --- a/drivers/isdn/hisax/l3ni1.c +++ b/drivers/isdn/hisax/l3ni1.c @@ -2059,13 +2059,17 @@ static int l3ni1_cmd_global(struct PStack *st, isdn_ctrl *ic) memcpy(p, ic->parm.ni1_io.data, ic->parm.ni1_io.datalen); /* copy data */ l = (p - temp) + ic->parm.ni1_io.datalen; /* total length */ - if (ic->parm.ni1_io.timeout > 0) - if (!(pc = ni1_new_l3_process(st, -1))) - { free_invoke_id(st, id); + if (ic->parm.ni1_io.timeout > 0) { + pc = ni1_new_l3_process(st, -1); + if (!pc) { + free_invoke_id(st, id); return (-2); } - pc->prot.ni1.ll_id = ic->parm.ni1_io.ll_id; /* remember id */ - pc->prot.ni1.proc = ic->parm.ni1_io.proc; /* and procedure */ + /* remember id */ + pc->prot.ni1.ll_id = ic->parm.ni1_io.ll_id; + /* and procedure */ + pc->prot.ni1.proc = ic->parm.ni1_io.proc; + } if (!(skb = l3_alloc_skb(l))) { free_invoke_id(st, id); diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c index 61ac63237446..62f0688d45a5 100644 --- a/drivers/isdn/i4l/isdn_ppp.c +++ b/drivers/isdn/i4l/isdn_ppp.c @@ -442,7 +442,7 @@ static int get_filter(void __user *arg, struct sock_filter **p) { struct sock_fprog uprog; struct sock_filter *code = NULL; - int len, err; + int len; if (copy_from_user(&uprog, arg, sizeof(uprog))) return -EFAULT; @@ -458,12 +458,6 @@ static int get_filter(void __user *arg, struct sock_filter **p) if (IS_ERR(code)) return PTR_ERR(code); - err = sk_chk_filter(code, uprog.len); - if (err) { - kfree(code); - return err; - } - *p = code; return uprog.len; } @@ -644,9 +638,15 @@ isdn_ppp_ioctl(int min, struct file *file, unsigned int cmd, unsigned long arg) fprog.len = len; fprog.filter = code; - if (is->pass_filter) + if (is->pass_filter) { sk_unattached_filter_destroy(is->pass_filter); - err = sk_unattached_filter_create(&is->pass_filter, &fprog); + is->pass_filter = NULL; + } + if (fprog.filter != NULL) + err = sk_unattached_filter_create(&is->pass_filter, + &fprog); + else + err = 0; kfree(code); return err; @@ -663,9 +663,15 @@ isdn_ppp_ioctl(int min, struct file *file, unsigned int cmd, unsigned long arg) fprog.len = len; fprog.filter = code; - if (is->active_filter) + if (is->active_filter) { sk_unattached_filter_destroy(is->active_filter); - err = sk_unattached_filter_create(&is->active_filter, &fprog); + is->active_filter = NULL; + } + if (fprog.filter != NULL) + err = sk_unattached_filter_create(&is->active_filter, + &fprog); + else + err = 0; kfree(code); return err; diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index 4e84095833db..d724459860d9 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -1541,7 +1541,7 @@ struct dm_bufio_client *dm_bufio_client_create(struct block_device *bdev, unsign BUG_ON(block_size < 1 << SECTOR_SHIFT || (block_size & (block_size - 1))); - c = kmalloc(sizeof(*c), GFP_KERNEL); + c = kzalloc(sizeof(*c), GFP_KERNEL); if (!c) { r = -ENOMEM; goto bad_client; diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c index 4ead4ba60656..d2899e7eb3aa 100644 --- a/drivers/md/dm-cache-metadata.c +++ b/drivers/md/dm-cache-metadata.c @@ -425,6 +425,15 @@ static int __open_metadata(struct dm_cache_metadata *cmd) disk_super = dm_block_data(sblock); + /* Verify the data block size hasn't changed */ + if (le32_to_cpu(disk_super->data_block_size) != cmd->data_block_size) { + DMERR("changing the data block size (from %u to %llu) is not supported", + le32_to_cpu(disk_super->data_block_size), + (unsigned long long)cmd->data_block_size); + r = -EINVAL; + goto bad; + } + r = __check_incompat_features(disk_super, cmd); if (r < 0) goto bad; diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 5f054c44b485..2c63326638b6 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -231,7 +231,7 @@ struct cache { /* * cache_size entries, dirty if set */ - dm_cblock_t nr_dirty; + atomic_t nr_dirty; unsigned long *dirty_bitset; /* @@ -492,7 +492,7 @@ static bool is_dirty(struct cache *cache, dm_cblock_t b) static void set_dirty(struct cache *cache, dm_oblock_t oblock, dm_cblock_t cblock) { if (!test_and_set_bit(from_cblock(cblock), cache->dirty_bitset)) { - cache->nr_dirty = to_cblock(from_cblock(cache->nr_dirty) + 1); + atomic_inc(&cache->nr_dirty); policy_set_dirty(cache->policy, oblock); } } @@ -501,8 +501,7 @@ static void clear_dirty(struct cache *cache, dm_oblock_t oblock, dm_cblock_t cbl { if (test_and_clear_bit(from_cblock(cblock), cache->dirty_bitset)) { policy_clear_dirty(cache->policy, oblock); - cache->nr_dirty = to_cblock(from_cblock(cache->nr_dirty) - 1); - if (!from_cblock(cache->nr_dirty)) + if (atomic_dec_return(&cache->nr_dirty) == 0) dm_table_event(cache->ti->table); } } @@ -2269,7 +2268,7 @@ static int cache_create(struct cache_args *ca, struct cache **result) atomic_set(&cache->quiescing_ack, 0); r = -ENOMEM; - cache->nr_dirty = 0; + atomic_set(&cache->nr_dirty, 0); cache->dirty_bitset = alloc_bitset(from_cblock(cache->cache_size)); if (!cache->dirty_bitset) { *error = "could not allocate dirty bitset"; @@ -2808,7 +2807,7 @@ static void cache_status(struct dm_target *ti, status_type_t type, residency = policy_residency(cache->policy); - DMEMIT("%u %llu/%llu %u %llu/%llu %u %u %u %u %u %u %llu ", + DMEMIT("%u %llu/%llu %u %llu/%llu %u %u %u %u %u %u %lu ", (unsigned)(DM_CACHE_METADATA_BLOCK_SIZE >> SECTOR_SHIFT), (unsigned long long)(nr_blocks_metadata - nr_free_blocks_metadata), (unsigned long long)nr_blocks_metadata, @@ -2821,7 +2820,7 @@ static void cache_status(struct dm_target *ti, status_type_t type, (unsigned) atomic_read(&cache->stats.write_miss), (unsigned) atomic_read(&cache->stats.demotion), (unsigned) atomic_read(&cache->stats.promotion), - (unsigned long long) from_cblock(cache->nr_dirty)); + (unsigned long) atomic_read(&cache->nr_dirty)); if (writethrough_mode(&cache->features)) DMEMIT("1 writethrough "); diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index b086a945edcb..e9d33ad59df5 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -613,6 +613,15 @@ static int __open_metadata(struct dm_pool_metadata *pmd) disk_super = dm_block_data(sblock); + /* Verify the data block size hasn't changed */ + if (le32_to_cpu(disk_super->data_block_size) != pmd->data_block_size) { + DMERR("changing the data block size (from %u to %llu) is not supported", + le32_to_cpu(disk_super->data_block_size), + (unsigned long long)pmd->data_block_size); + r = -EINVAL; + goto bad_unlock_sblock; + } + r = __check_incompat_features(disk_super, pmd); if (r < 0) goto bad_unlock_sblock; diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c index 8637d2ed7623..2e3cdcfa0a67 100644 --- a/drivers/media/dvb-frontends/si2168.c +++ b/drivers/media/dvb-frontends/si2168.c @@ -60,7 +60,7 @@ static int si2168_cmd_execute(struct si2168 *s, struct si2168_cmd *cmd) jiffies_to_msecs(jiffies) - (jiffies_to_msecs(timeout) - TIMEOUT)); - if (!(cmd->args[0] >> 7) & 0x01) { + if (!((cmd->args[0] >> 7) & 0x01)) { ret = -ETIMEDOUT; goto err_mutex_unlock; } @@ -485,20 +485,6 @@ static int si2168_init(struct dvb_frontend *fe) if (ret) goto err; - cmd.args[0] = 0x05; - cmd.args[1] = 0x00; - cmd.args[2] = 0xaa; - cmd.args[3] = 0x4d; - cmd.args[4] = 0x56; - cmd.args[5] = 0x40; - cmd.args[6] = 0x00; - cmd.args[7] = 0x00; - cmd.wlen = 8; - cmd.rlen = 1; - ret = si2168_cmd_execute(s, &cmd); - if (ret) - goto err; - /* cold state - try to download firmware */ dev_info(&s->client->dev, "%s: found a '%s' in cold state\n", KBUILD_MODNAME, si2168_ops.info.name); diff --git a/drivers/media/dvb-frontends/si2168_priv.h b/drivers/media/dvb-frontends/si2168_priv.h index 2a343e896f40..53f7f06ae343 100644 --- a/drivers/media/dvb-frontends/si2168_priv.h +++ b/drivers/media/dvb-frontends/si2168_priv.h @@ -22,7 +22,7 @@ #include <linux/firmware.h> #include <linux/i2c-mux.h> -#define SI2168_FIRMWARE "dvb-demod-si2168-01.fw" +#define SI2168_FIRMWARE "dvb-demod-si2168-02.fw" /* state struct */ struct si2168 { diff --git a/drivers/media/dvb-frontends/tda10071.c b/drivers/media/dvb-frontends/tda10071.c index 522fe00f5eee..9619be5d4827 100644 --- a/drivers/media/dvb-frontends/tda10071.c +++ b/drivers/media/dvb-frontends/tda10071.c @@ -668,6 +668,7 @@ static int tda10071_set_frontend(struct dvb_frontend *fe) struct dtv_frontend_properties *c = &fe->dtv_property_cache; int ret, i; u8 mode, rolloff, pilot, inversion, div; + fe_modulation_t modulation; dev_dbg(&priv->i2c->dev, "%s: delivery_system=%d modulation=%d frequency=%d symbol_rate=%d inversion=%d pilot=%d rolloff=%d\n", @@ -702,10 +703,13 @@ static int tda10071_set_frontend(struct dvb_frontend *fe) switch (c->delivery_system) { case SYS_DVBS: + modulation = QPSK; rolloff = 0; pilot = 2; break; case SYS_DVBS2: + modulation = c->modulation; + switch (c->rolloff) { case ROLLOFF_20: rolloff = 2; @@ -750,7 +754,7 @@ static int tda10071_set_frontend(struct dvb_frontend *fe) for (i = 0, mode = 0xff; i < ARRAY_SIZE(TDA10071_MODCOD); i++) { if (c->delivery_system == TDA10071_MODCOD[i].delivery_system && - c->modulation == TDA10071_MODCOD[i].modulation && + modulation == TDA10071_MODCOD[i].modulation && c->fec_inner == TDA10071_MODCOD[i].fec) { mode = TDA10071_MODCOD[i].val; dev_dbg(&priv->i2c->dev, "%s: mode found=%02x\n", @@ -834,10 +838,10 @@ static int tda10071_get_frontend(struct dvb_frontend *fe) switch ((buf[1] >> 0) & 0x01) { case 0: - c->inversion = INVERSION_OFF; + c->inversion = INVERSION_ON; break; case 1: - c->inversion = INVERSION_ON; + c->inversion = INVERSION_OFF; break; } @@ -856,7 +860,7 @@ static int tda10071_get_frontend(struct dvb_frontend *fe) if (ret) goto error; - c->symbol_rate = (buf[0] << 16) | (buf[1] << 8) | (buf[2] << 0); + c->symbol_rate = ((buf[0] << 16) | (buf[1] << 8) | (buf[2] << 0)) * 1000; return ret; error: diff --git a/drivers/media/dvb-frontends/tda10071_priv.h b/drivers/media/dvb-frontends/tda10071_priv.h index 4baf14bfb65a..420486192736 100644 --- a/drivers/media/dvb-frontends/tda10071_priv.h +++ b/drivers/media/dvb-frontends/tda10071_priv.h @@ -55,6 +55,7 @@ static struct tda10071_modcod { { SYS_DVBS2, QPSK, FEC_8_9, 0x0a }, { SYS_DVBS2, QPSK, FEC_9_10, 0x0b }, /* 8PSK */ + { SYS_DVBS2, PSK_8, FEC_AUTO, 0x00 }, { SYS_DVBS2, PSK_8, FEC_3_5, 0x0c }, { SYS_DVBS2, PSK_8, FEC_2_3, 0x0d }, { SYS_DVBS2, PSK_8, FEC_3_4, 0x0e }, diff --git a/drivers/media/pci/saa7134/saa7134-empress.c b/drivers/media/pci/saa7134/saa7134-empress.c index e65c760e4e8b..0006d6bf8c18 100644 --- a/drivers/media/pci/saa7134/saa7134-empress.c +++ b/drivers/media/pci/saa7134/saa7134-empress.c @@ -179,7 +179,7 @@ static const struct v4l2_file_operations ts_fops = .read = vb2_fop_read, .poll = vb2_fop_poll, .mmap = vb2_fop_mmap, - .ioctl = video_ioctl2, + .unlocked_ioctl = video_ioctl2, }; static const struct v4l2_ioctl_ops ts_ioctl_ops = { diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c index a7ed16497903..1e4ec697fb10 100644 --- a/drivers/media/platform/davinci/vpif_capture.c +++ b/drivers/media/platform/davinci/vpif_capture.c @@ -269,6 +269,7 @@ err: list_del(&buf->list); vb2_buffer_done(&buf->vb, VB2_BUF_STATE_QUEUED); } + spin_unlock_irqrestore(&common->irqlock, flags); return ret; } diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index 5bb085b19bcb..b431b58f39e3 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -233,6 +233,7 @@ err: list_del(&buf->list); vb2_buffer_done(&buf->vb, VB2_BUF_STATE_QUEUED); } + spin_unlock_irqrestore(&common->irqlock, flags); return ret; } diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c index 271a752cee54..fa4cc7b880aa 100644 --- a/drivers/media/tuners/si2157.c +++ b/drivers/media/tuners/si2157.c @@ -57,7 +57,7 @@ static int si2157_cmd_execute(struct si2157 *s, struct si2157_cmd *cmd) jiffies_to_msecs(jiffies) - (jiffies_to_msecs(timeout) - TIMEOUT)); - if (!(buf[0] >> 7) & 0x01) { + if (!((buf[0] >> 7) & 0x01)) { ret = -ETIMEDOUT; goto err_mutex_unlock; } else { diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c index 021e4d35e4d7..7b9b75f60774 100644 --- a/drivers/media/usb/dvb-usb-v2/af9035.c +++ b/drivers/media/usb/dvb-usb-v2/af9035.c @@ -704,15 +704,41 @@ static int af9035_read_config(struct dvb_usb_device *d) if (ret < 0) goto err; - if (tmp == 0x00) - dev_dbg(&d->udev->dev, - "%s: [%d]tuner not set, using default\n", - __func__, i); - else + dev_dbg(&d->udev->dev, "%s: [%d]tuner=%02x\n", + __func__, i, tmp); + + /* tuner sanity check */ + if (state->chip_type == 0x9135) { + if (state->chip_version == 0x02) { + /* IT9135 BX (v2) */ + switch (tmp) { + case AF9033_TUNER_IT9135_60: + case AF9033_TUNER_IT9135_61: + case AF9033_TUNER_IT9135_62: + state->af9033_config[i].tuner = tmp; + break; + } + } else { + /* IT9135 AX (v1) */ + switch (tmp) { + case AF9033_TUNER_IT9135_38: + case AF9033_TUNER_IT9135_51: + case AF9033_TUNER_IT9135_52: + state->af9033_config[i].tuner = tmp; + break; + } + } + } else { + /* AF9035 */ state->af9033_config[i].tuner = tmp; + } - dev_dbg(&d->udev->dev, "%s: [%d]tuner=%02x\n", - __func__, i, state->af9033_config[i].tuner); + if (state->af9033_config[i].tuner != tmp) { + dev_info(&d->udev->dev, + "%s: [%d] overriding tuner from %02x to %02x\n", + KBUILD_MODNAME, i, tmp, + state->af9033_config[i].tuner); + } switch (state->af9033_config[i].tuner) { case AF9033_TUNER_TUA9001: diff --git a/drivers/media/usb/gspca/pac7302.c b/drivers/media/usb/gspca/pac7302.c index 2fd1c5e31a0f..339adce7c7a5 100644 --- a/drivers/media/usb/gspca/pac7302.c +++ b/drivers/media/usb/gspca/pac7302.c @@ -928,6 +928,7 @@ static const struct usb_device_id device_table[] = { {USB_DEVICE(0x093a, 0x2620)}, {USB_DEVICE(0x093a, 0x2621)}, {USB_DEVICE(0x093a, 0x2622), .driver_info = FL_VFLIP}, + {USB_DEVICE(0x093a, 0x2623), .driver_info = FL_VFLIP}, {USB_DEVICE(0x093a, 0x2624), .driver_info = FL_VFLIP}, {USB_DEVICE(0x093a, 0x2625)}, {USB_DEVICE(0x093a, 0x2626)}, diff --git a/drivers/media/usb/hdpvr/hdpvr-video.c b/drivers/media/usb/hdpvr/hdpvr-video.c index 0500c4175d5f..6bce01a674f9 100644 --- a/drivers/media/usb/hdpvr/hdpvr-video.c +++ b/drivers/media/usb/hdpvr/hdpvr-video.c @@ -82,7 +82,7 @@ static void hdpvr_read_bulk_callback(struct urb *urb) } /*=========================================================================*/ -/* bufffer bits */ +/* buffer bits */ /* function expects dev->io_mutex to be hold by caller */ int hdpvr_cancel_queue(struct hdpvr_device *dev) @@ -926,7 +926,7 @@ static int hdpvr_s_ctrl(struct v4l2_ctrl *ctrl) case V4L2_CID_MPEG_AUDIO_ENCODING: if (dev->flags & HDPVR_FLAG_AC3_CAP) { opt->audio_codec = ctrl->val; - return hdpvr_set_audio(dev, opt->audio_input, + return hdpvr_set_audio(dev, opt->audio_input + 1, opt->audio_codec); } return 0; @@ -1198,7 +1198,7 @@ int hdpvr_register_videodev(struct hdpvr_device *dev, struct device *parent, v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, V4L2_CID_MPEG_AUDIO_ENCODING, ac3 ? V4L2_MPEG_AUDIO_ENCODING_AC3 : V4L2_MPEG_AUDIO_ENCODING_AAC, - 0x7, V4L2_MPEG_AUDIO_ENCODING_AAC); + 0x7, ac3 ? dev->options.audio_codec : V4L2_MPEG_AUDIO_ENCODING_AAC); v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, V4L2_CID_MPEG_VIDEO_ENCODING, V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 0x3, diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c b/drivers/media/v4l2-core/v4l2-dv-timings.c index 4ae54caadd03..ce1c9f5d9dee 100644 --- a/drivers/media/v4l2-core/v4l2-dv-timings.c +++ b/drivers/media/v4l2-core/v4l2-dv-timings.c @@ -610,10 +610,10 @@ struct v4l2_fract v4l2_calc_aspect_ratio(u8 hor_landscape, u8 vert_portrait) aspect.denominator = 9; } else if (ratio == 34) { aspect.numerator = 4; - aspect.numerator = 3; + aspect.denominator = 3; } else if (ratio == 68) { aspect.numerator = 15; - aspect.numerator = 9; + aspect.denominator = 9; } else { aspect.numerator = hor_landscape + 99; aspect.denominator = 100; diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index e4ec355704a6..a7543ba3e190 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -52,6 +52,11 @@ /* Atmel chips */ #define AT49BV640D 0x02de #define AT49BV640DT 0x02db +/* Sharp chips */ +#define LH28F640BFHE_PTTL90 0x00b0 +#define LH28F640BFHE_PBTL90 0x00b1 +#define LH28F640BFHE_PTTL70A 0x00b2 +#define LH28F640BFHE_PBTL70A 0x00b3 static int cfi_intelext_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *); static int cfi_intelext_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *); @@ -258,6 +263,36 @@ static void fixup_st_m28w320cb(struct mtd_info *mtd) (cfi->cfiq->EraseRegionInfo[1] & 0xffff0000) | 0x3e; }; +static int is_LH28F640BF(struct cfi_private *cfi) +{ + /* Sharp LH28F640BF Family */ + if (cfi->mfr == CFI_MFR_SHARP && ( + cfi->id == LH28F640BFHE_PTTL90 || cfi->id == LH28F640BFHE_PBTL90 || + cfi->id == LH28F640BFHE_PTTL70A || cfi->id == LH28F640BFHE_PBTL70A)) + return 1; + return 0; +} + +static void fixup_LH28F640BF(struct mtd_info *mtd) +{ + struct map_info *map = mtd->priv; + struct cfi_private *cfi = map->fldrv_priv; + struct cfi_pri_intelext *extp = cfi->cmdset_priv; + + /* Reset the Partition Configuration Register on LH28F640BF + * to a single partition (PCR = 0x000): PCR is embedded into A0-A15. */ + if (is_LH28F640BF(cfi)) { + printk(KERN_INFO "Reset Partition Config. Register: 1 Partition of 4 planes\n"); + map_write(map, CMD(0x60), 0); + map_write(map, CMD(0x04), 0); + + /* We have set one single partition thus + * Simultaneous Operations are not allowed */ + printk(KERN_INFO "cfi_cmdset_0001: Simultaneous Operations disabled\n"); + extp->FeatureSupport &= ~512; + } +} + static void fixup_use_point(struct mtd_info *mtd) { struct map_info *map = mtd->priv; @@ -309,6 +344,8 @@ static struct cfi_fixup cfi_fixup_table[] = { { CFI_MFR_ST, 0x00ba, /* M28W320CT */ fixup_st_m28w320ct }, { CFI_MFR_ST, 0x00bb, /* M28W320CB */ fixup_st_m28w320cb }, { CFI_MFR_INTEL, CFI_ID_ANY, fixup_unlock_powerup_lock }, + { CFI_MFR_SHARP, CFI_ID_ANY, fixup_unlock_powerup_lock }, + { CFI_MFR_SHARP, CFI_ID_ANY, fixup_LH28F640BF }, { 0, 0, NULL } }; @@ -1649,6 +1686,12 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, initial_adr = adr; cmd_adr = adr & ~(wbufsize-1); + /* Sharp LH28F640BF chips need the first address for the + * Page Buffer Program command. See Table 5 of + * LH28F320BF, LH28F640BF, LH28F128BF Series (Appendix FUM00701) */ + if (is_LH28F640BF(cfi)) + cmd_adr = adr; + /* Let's determine this according to the interleave only once */ write_cmd = (cfi->cfiq->P_ID != P_ID_INTEL_PERFORMANCE) ? CMD(0xe8) : CMD(0xe9); diff --git a/drivers/mtd/devices/elm.c b/drivers/mtd/devices/elm.c index 7df86948e6d4..b4f61c7fc161 100644 --- a/drivers/mtd/devices/elm.c +++ b/drivers/mtd/devices/elm.c @@ -475,6 +475,7 @@ static int elm_context_save(struct elm_info *info) ELM_SYNDROME_FRAGMENT_1 + offset); regs->elm_syndrome_fragment_0[i] = elm_read_reg(info, ELM_SYNDROME_FRAGMENT_0 + offset); + break; default: return -EINVAL; } @@ -520,6 +521,7 @@ static int elm_context_restore(struct elm_info *info) regs->elm_syndrome_fragment_1[i]); elm_write_reg(info, ELM_SYNDROME_FRAGMENT_0 + offset, regs->elm_syndrome_fragment_0[i]); + break; default: return -EINVAL; } diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 41167e9e991e..4f3e80c68a26 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -4047,8 +4047,10 @@ int nand_scan_tail(struct mtd_info *mtd) ecc->layout->oobavail += ecc->layout->oobfree[i].length; mtd->oobavail = ecc->layout->oobavail; - /* ECC sanity check: warn noisily if it's too weak */ - WARN_ON(!nand_ecc_strength_good(mtd)); + /* ECC sanity check: warn if it's too weak */ + if (!nand_ecc_strength_good(mtd)) + pr_warn("WARNING: %s: the ECC used on your system is too weak compared to the one required by the NAND chip\n", + mtd->name); /* * Set the number of read / write steps for one page depending on ECC diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c index b04e7d059888..0431b46d9fd9 100644 --- a/drivers/mtd/ubi/fastmap.c +++ b/drivers/mtd/ubi/fastmap.c @@ -125,7 +125,7 @@ static struct ubi_ainf_volume *add_vol(struct ubi_attach_info *ai, int vol_id, parent = *p; av = rb_entry(parent, struct ubi_ainf_volume, rb); - if (vol_id < av->vol_id) + if (vol_id > av->vol_id) p = &(*p)->rb_left; else p = &(*p)->rb_right; @@ -423,7 +423,7 @@ static int scan_pool(struct ubi_device *ubi, struct ubi_attach_info *ai, pnum, err); ret = err > 0 ? UBI_BAD_FASTMAP : err; goto out; - } else if (ret == UBI_IO_BITFLIPS) + } else if (err == UBI_IO_BITFLIPS) scrub = 1; /* diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 3a451b6cd3d5..701f86cd5993 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4068,7 +4068,7 @@ static int bond_check_params(struct bond_params *params) } if (ad_select) { - bond_opt_initstr(&newval, lacp_rate); + bond_opt_initstr(&newval, ad_select); valptr = bond_opt_parse(bond_opt_get(BOND_OPT_AD_SELECT), &newval); if (!valptr) { diff --git a/drivers/net/can/c_can/c_can_platform.c b/drivers/net/can/c_can/c_can_platform.c index 824108cd9fd5..12430be6448a 100644 --- a/drivers/net/can/c_can/c_can_platform.c +++ b/drivers/net/can/c_can/c_can_platform.c @@ -287,7 +287,8 @@ static int c_can_plat_probe(struct platform_device *pdev) break; } - priv->raminit_ctrlreg = devm_ioremap_resource(&pdev->dev, res); + priv->raminit_ctrlreg = devm_ioremap(&pdev->dev, res->start, + resource_size(res)); if (IS_ERR(priv->raminit_ctrlreg) || priv->instance < 0) dev_info(&pdev->dev, "control memory is not used for raminit\n"); else diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-main.c b/drivers/net/ethernet/amd/xgbe/xgbe-main.c index c83584a26713..5a1891faba8a 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-main.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-main.c @@ -339,7 +339,8 @@ static int xgbe_probe(struct platform_device *pdev) /* Calculate the number of Tx and Rx rings to be created */ pdata->tx_ring_count = min_t(unsigned int, num_online_cpus(), pdata->hw_feat.tx_ch_cnt); - if (netif_set_real_num_tx_queues(netdev, pdata->tx_ring_count)) { + ret = netif_set_real_num_tx_queues(netdev, pdata->tx_ring_count); + if (ret) { dev_err(dev, "error setting real tx queue count\n"); goto err_io; } diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 141160ef249a..5776e503e4c5 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -654,13 +654,13 @@ static int bcm_sysport_tx_poll(struct napi_struct *napi, int budget) work_done = bcm_sysport_tx_reclaim(ring->priv, ring); - if (work_done < budget) { + if (work_done == 0) { napi_complete(napi); /* re-enable TX interrupt */ intrl2_1_mask_clear(ring->priv, BIT(ring->index)); } - return work_done; + return 0; } static void bcm_sysport_tx_reclaim_all(struct bcm_sysport_priv *priv) @@ -1254,28 +1254,17 @@ static inline void umac_enable_set(struct bcm_sysport_priv *priv, usleep_range(1000, 2000); } -static inline int umac_reset(struct bcm_sysport_priv *priv) +static inline void umac_reset(struct bcm_sysport_priv *priv) { - unsigned int timeout = 0; u32 reg; - int ret = 0; - - umac_writel(priv, 0, UMAC_CMD); - while (timeout++ < 1000) { - reg = umac_readl(priv, UMAC_CMD); - if (!(reg & CMD_SW_RESET)) - break; - - udelay(1); - } - - if (timeout == 1000) { - dev_err(&priv->pdev->dev, - "timeout waiting for MAC to come out of reset\n"); - ret = -ETIMEDOUT; - } - return ret; + reg = umac_readl(priv, UMAC_CMD); + reg |= CMD_SW_RESET; + umac_writel(priv, reg, UMAC_CMD); + udelay(10); + reg = umac_readl(priv, UMAC_CMD); + reg &= ~CMD_SW_RESET; + umac_writel(priv, reg, UMAC_CMD); } static void umac_set_hw_addr(struct bcm_sysport_priv *priv, @@ -1303,11 +1292,7 @@ static int bcm_sysport_open(struct net_device *dev) int ret; /* Reset UniMAC */ - ret = umac_reset(priv); - if (ret) { - netdev_err(dev, "UniMAC reset failed\n"); - return ret; - } + umac_reset(priv); /* Flush TX and RX FIFOs at TOPCTRL level */ topctrl_flush(priv); @@ -1589,12 +1574,6 @@ static int bcm_sysport_probe(struct platform_device *pdev) BUILD_BUG_ON(sizeof(struct bcm_tsb) != 8); dev->needed_headroom += sizeof(struct bcm_tsb); - /* We are interfaced to a switch which handles the multicast - * filtering for us, so we do not support programming any - * multicast hash table in this Ethernet MAC. - */ - dev->flags &= ~IFF_MULTICAST; - /* libphy will adjust the link state accordingly */ netif_carrier_off(dev); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index 4cab09d3f807..8206a293e6b4 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -346,6 +346,7 @@ struct sw_tx_bd { u8 flags; /* Set on the first BD descriptor when there is a split BD */ #define BNX2X_TSO_SPLIT_BD (1<<0) +#define BNX2X_HAS_SECOND_PBD (1<<1) }; struct sw_rx_page { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 47c5814114e1..c43e7238de21 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -227,6 +227,12 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata, --nbd; bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); + if (tx_buf->flags & BNX2X_HAS_SECOND_PBD) { + /* Skip second parse bd... */ + --nbd; + bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); + } + /* TSO headers+data bds share a common mapping. See bnx2x_tx_split() */ if (tx_buf->flags & BNX2X_TSO_SPLIT_BD) { tx_data_bd = &txdata->tx_desc_ring[bd_idx].reg_bd; @@ -797,7 +803,8 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp, return; } - bnx2x_frag_free(fp, new_data); + if (new_data) + bnx2x_frag_free(fp, new_data); drop: /* drop the packet and keep the buffer in the bin */ DP(NETIF_MSG_RX_STATUS, @@ -3888,6 +3895,9 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) /* set encapsulation flag in start BD */ SET_FLAG(tx_start_bd->general_data, ETH_TX_START_BD_TUNNEL_EXIST, 1); + + tx_buf->flags |= BNX2X_HAS_SECOND_PBD; + nbd++; } else if (xmit_type & XMIT_CSUM) { /* Set PBD in checksum offload case w/o encapsulation */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c index bd0600cf7266..25eddd90f482 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c @@ -379,6 +379,7 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) break; case PORT_FIBRE: case PORT_DA: + case PORT_NONE: if (!(bp->port.supported[0] & SUPPORTED_FIBRE || bp->port.supported[1] & SUPPORTED_FIBRE)) { DP(BNX2X_MSG_ETHTOOL, diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 2887034523e0..6a8b1453a1b9 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -12937,7 +12937,7 @@ static int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev, int cnic_cnt) * without the default SB. * For VFs there is no default SB, then we return (index+1). */ - pci_read_config_word(pdev, pdev->msix_cap + PCI_MSI_FLAGS, &control); + pci_read_config_word(pdev, pdev->msix_cap + PCI_MSIX_FLAGS, &control); index = control & PCI_MSIX_FLAGS_QSIZE; diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 5ba1cfbd60da..4e615debe472 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -1149,6 +1149,11 @@ static netdev_tx_t bcmgenet_xmit(struct sk_buff *skb, struct net_device *dev) goto out; } + if (skb_padto(skb, ETH_ZLEN)) { + ret = NETDEV_TX_OK; + goto out; + } + /* set the SKB transmit checksum */ if (priv->desc_64b_en) { ret = bcmgenet_put_tx_csum(dev, skb); @@ -1408,13 +1413,6 @@ static int bcmgenet_alloc_rx_buffers(struct bcmgenet_priv *priv) if (cb->skb) continue; - /* set the DMA descriptor length once and for all - * it will only change if we support dynamically sizing - * priv->rx_buf_len, but we do not - */ - dmadesc_set_length_status(priv, priv->rx_bd_assign_ptr, - priv->rx_buf_len << DMA_BUFLENGTH_SHIFT); - ret = bcmgenet_rx_refill(priv, cb); if (ret) break; @@ -2535,14 +2533,17 @@ static int bcmgenet_probe(struct platform_device *pdev) netif_set_real_num_tx_queues(priv->dev, priv->hw_params->tx_queues + 1); netif_set_real_num_rx_queues(priv->dev, priv->hw_params->rx_queues + 1); - err = register_netdev(dev); - if (err) - goto err_clk_disable; + /* libphy will determine the link state */ + netif_carrier_off(dev); /* Turn off the main clock, WOL clock is handled separately */ if (!IS_ERR(priv->clk)) clk_disable_unprepare(priv->clk); + err = register_netdev(dev); + if (err) + goto err; + return err; err_clk_disable: diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h index 0f117105fed1..e23c993b1362 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h @@ -331,9 +331,9 @@ struct bcmgenet_mib_counters { #define EXT_ENERGY_DET_MASK (1 << 12) #define EXT_RGMII_OOB_CTRL 0x0C -#define RGMII_MODE_EN (1 << 0) #define RGMII_LINK (1 << 4) #define OOB_DISABLE (1 << 5) +#define RGMII_MODE_EN (1 << 6) #define ID_MODE_DIS (1 << 16) #define EXT_GPHY_CTRL 0x1C diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 34a26e42f19d..1e187fb760f8 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -2902,7 +2902,7 @@ static int be_open(struct net_device *netdev) for_all_evt_queues(adapter, eqo, i) { napi_enable(&eqo->napi); be_enable_busy_poll(eqo); - be_eq_notify(adapter, eqo->q.id, true, false, 0); + be_eq_notify(adapter, eqo->q.id, true, true, 0); } adapter->flags |= BE_FLAGS_NAPI_ENABLED; diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c index fab39e295441..36fc429298e3 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -2990,11 +2990,11 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) if (ug_info->rxExtendedFiltering) { size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING; if (ug_info->largestexternallookupkeysize == - QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES) + QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES) size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8; if (ug_info->largestexternallookupkeysize == - QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES) + QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES) size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16; } diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c index a2db388cc31e..ee74f9536b31 100644 --- a/drivers/net/ethernet/intel/igb/e1000_82575.c +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c @@ -1481,6 +1481,13 @@ static s32 igb_init_hw_82575(struct e1000_hw *hw) s32 ret_val; u16 i, rar_count = mac->rar_entry_count; + if ((hw->mac.type >= e1000_i210) && + !(igb_get_flash_presence_i210(hw))) { + ret_val = igb_pll_workaround_i210(hw); + if (ret_val) + return ret_val; + } + /* Initialize identification LED */ ret_val = igb_id_led_init(hw); if (ret_val) { diff --git a/drivers/net/ethernet/intel/igb/e1000_defines.h b/drivers/net/ethernet/intel/igb/e1000_defines.h index 2a8bb35c2df2..217f8138851b 100644 --- a/drivers/net/ethernet/intel/igb/e1000_defines.h +++ b/drivers/net/ethernet/intel/igb/e1000_defines.h @@ -46,14 +46,15 @@ #define E1000_CTRL_EXT_SDP3_DIR 0x00000800 /* SDP3 Data direction */ /* Physical Func Reset Done Indication */ -#define E1000_CTRL_EXT_PFRSTD 0x00004000 -#define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000 -#define E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES 0x00C00000 -#define E1000_CTRL_EXT_LINK_MODE_1000BASE_KX 0x00400000 -#define E1000_CTRL_EXT_LINK_MODE_SGMII 0x00800000 -#define E1000_CTRL_EXT_LINK_MODE_GMII 0x00000000 -#define E1000_CTRL_EXT_EIAME 0x01000000 -#define E1000_CTRL_EXT_IRCA 0x00000001 +#define E1000_CTRL_EXT_PFRSTD 0x00004000 +#define E1000_CTRL_EXT_SDLPE 0X00040000 /* SerDes Low Power Enable */ +#define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000 +#define E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES 0x00C00000 +#define E1000_CTRL_EXT_LINK_MODE_1000BASE_KX 0x00400000 +#define E1000_CTRL_EXT_LINK_MODE_SGMII 0x00800000 +#define E1000_CTRL_EXT_LINK_MODE_GMII 0x00000000 +#define E1000_CTRL_EXT_EIAME 0x01000000 +#define E1000_CTRL_EXT_IRCA 0x00000001 /* Interrupt delay cancellation */ /* Driver loaded bit for FW */ #define E1000_CTRL_EXT_DRV_LOAD 0x10000000 @@ -62,6 +63,7 @@ /* packet buffer parity error detection enabled */ /* descriptor FIFO parity error detection enable */ #define E1000_CTRL_EXT_PBA_CLR 0x80000000 /* PBA Clear */ +#define E1000_CTRL_EXT_PHYPDEN 0x00100000 #define E1000_I2CCMD_REG_ADDR_SHIFT 16 #define E1000_I2CCMD_PHY_ADDR_SHIFT 24 #define E1000_I2CCMD_OPCODE_READ 0x08000000 diff --git a/drivers/net/ethernet/intel/igb/e1000_hw.h b/drivers/net/ethernet/intel/igb/e1000_hw.h index 89925e405849..ce55ea5d750c 100644 --- a/drivers/net/ethernet/intel/igb/e1000_hw.h +++ b/drivers/net/ethernet/intel/igb/e1000_hw.h @@ -567,4 +567,7 @@ struct net_device *igb_get_hw_dev(struct e1000_hw *hw); /* These functions must be implemented by drivers */ s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value); s32 igb_write_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value); + +void igb_read_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value); +void igb_write_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value); #endif /* _E1000_HW_H_ */ diff --git a/drivers/net/ethernet/intel/igb/e1000_i210.c b/drivers/net/ethernet/intel/igb/e1000_i210.c index 337161f440dd..65d931669f81 100644 --- a/drivers/net/ethernet/intel/igb/e1000_i210.c +++ b/drivers/net/ethernet/intel/igb/e1000_i210.c @@ -834,3 +834,69 @@ s32 igb_init_nvm_params_i210(struct e1000_hw *hw) } return ret_val; } + +/** + * igb_pll_workaround_i210 + * @hw: pointer to the HW structure + * + * Works around an errata in the PLL circuit where it occasionally + * provides the wrong clock frequency after power up. + **/ +s32 igb_pll_workaround_i210(struct e1000_hw *hw) +{ + s32 ret_val; + u32 wuc, mdicnfg, ctrl, ctrl_ext, reg_val; + u16 nvm_word, phy_word, pci_word, tmp_nvm; + int i; + + /* Get and set needed register values */ + wuc = rd32(E1000_WUC); + mdicnfg = rd32(E1000_MDICNFG); + reg_val = mdicnfg & ~E1000_MDICNFG_EXT_MDIO; + wr32(E1000_MDICNFG, reg_val); + + /* Get data from NVM, or set default */ + ret_val = igb_read_invm_word_i210(hw, E1000_INVM_AUTOLOAD, + &nvm_word); + if (ret_val) + nvm_word = E1000_INVM_DEFAULT_AL; + tmp_nvm = nvm_word | E1000_INVM_PLL_WO_VAL; + for (i = 0; i < E1000_MAX_PLL_TRIES; i++) { + /* check current state directly from internal PHY */ + igb_read_phy_reg_gs40g(hw, (E1000_PHY_PLL_FREQ_PAGE | + E1000_PHY_PLL_FREQ_REG), &phy_word); + if ((phy_word & E1000_PHY_PLL_UNCONF) + != E1000_PHY_PLL_UNCONF) { + ret_val = 0; + break; + } else { + ret_val = -E1000_ERR_PHY; + } + /* directly reset the internal PHY */ + ctrl = rd32(E1000_CTRL); + wr32(E1000_CTRL, ctrl|E1000_CTRL_PHY_RST); + + ctrl_ext = rd32(E1000_CTRL_EXT); + ctrl_ext |= (E1000_CTRL_EXT_PHYPDEN | E1000_CTRL_EXT_SDLPE); + wr32(E1000_CTRL_EXT, ctrl_ext); + + wr32(E1000_WUC, 0); + reg_val = (E1000_INVM_AUTOLOAD << 4) | (tmp_nvm << 16); + wr32(E1000_EEARBC_I210, reg_val); + + igb_read_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word); + pci_word |= E1000_PCI_PMCSR_D3; + igb_write_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word); + usleep_range(1000, 2000); + pci_word &= ~E1000_PCI_PMCSR_D3; + igb_write_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word); + reg_val = (E1000_INVM_AUTOLOAD << 4) | (nvm_word << 16); + wr32(E1000_EEARBC_I210, reg_val); + + /* restore WUC register */ + wr32(E1000_WUC, wuc); + } + /* restore MDICNFG setting */ + wr32(E1000_MDICNFG, mdicnfg); + return ret_val; +} diff --git a/drivers/net/ethernet/intel/igb/e1000_i210.h b/drivers/net/ethernet/intel/igb/e1000_i210.h index 9f34976687ba..3442b6357d01 100644 --- a/drivers/net/ethernet/intel/igb/e1000_i210.h +++ b/drivers/net/ethernet/intel/igb/e1000_i210.h @@ -33,6 +33,7 @@ s32 igb_read_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 *data); s32 igb_write_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 data); s32 igb_init_nvm_params_i210(struct e1000_hw *hw); bool igb_get_flash_presence_i210(struct e1000_hw *hw); +s32 igb_pll_workaround_i210(struct e1000_hw *hw); #define E1000_STM_OPCODE 0xDB00 #define E1000_EEPROM_FLASH_SIZE_WORD 0x11 @@ -78,4 +79,15 @@ enum E1000_INVM_STRUCTURE_TYPE { #define NVM_LED_1_CFG_DEFAULT_I211 0x0184 #define NVM_LED_0_2_CFG_DEFAULT_I211 0x200C +/* PLL Defines */ +#define E1000_PCI_PMCSR 0x44 +#define E1000_PCI_PMCSR_D3 0x03 +#define E1000_MAX_PLL_TRIES 5 +#define E1000_PHY_PLL_UNCONF 0xFF +#define E1000_PHY_PLL_FREQ_PAGE 0xFC0000 +#define E1000_PHY_PLL_FREQ_REG 0x000E +#define E1000_INVM_DEFAULT_AL 0x202F +#define E1000_INVM_AUTOLOAD 0x0A +#define E1000_INVM_PLL_WO_VAL 0x0010 + #endif diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h index 1cc4b1a7e597..f5ba4e4eafb9 100644 --- a/drivers/net/ethernet/intel/igb/e1000_regs.h +++ b/drivers/net/ethernet/intel/igb/e1000_regs.h @@ -66,6 +66,7 @@ #define E1000_PBA 0x01000 /* Packet Buffer Allocation - RW */ #define E1000_PBS 0x01008 /* Packet Buffer Size */ #define E1000_EEMNGCTL 0x01010 /* MNG EEprom Control */ +#define E1000_EEARBC_I210 0x12024 /* EEPROM Auto Read Bus Control */ #define E1000_EEWR 0x0102C /* EEPROM Write Register - RW */ #define E1000_I2CCMD 0x01028 /* SFPI2C Command Register - RW */ #define E1000_FRTIMER 0x01048 /* Free Running Timer - RW */ diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index f145adbb55ac..a9537ba7a5a0 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -7215,6 +7215,20 @@ static int igb_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) } } +void igb_read_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value) +{ + struct igb_adapter *adapter = hw->back; + + pci_read_config_word(adapter->pdev, reg, value); +} + +void igb_write_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value) +{ + struct igb_adapter *adapter = hw->back; + + pci_write_config_word(adapter->pdev, reg, *value); +} + s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value) { struct igb_adapter *adapter = hw->back; @@ -7578,6 +7592,8 @@ static int igb_sriov_reinit(struct pci_dev *dev) if (netif_running(netdev)) igb_close(netdev); + else + igb_reset(adapter); igb_clear_interrupt_scheme(adapter); diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 45beca17fa50..dadd9a5f6323 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -1207,7 +1207,7 @@ static u32 mvneta_txq_desc_csum(int l3_offs, int l3_proto, command = l3_offs << MVNETA_TX_L3_OFF_SHIFT; command |= ip_hdr_len << MVNETA_TX_IP_HLEN_SHIFT; - if (l3_proto == swab16(ETH_P_IP)) + if (l3_proto == htons(ETH_P_IP)) command |= MVNETA_TXD_IP_CSUM; else command |= MVNETA_TX_L3_IP6; @@ -2529,7 +2529,7 @@ static void mvneta_adjust_link(struct net_device *ndev) if (phydev->speed == SPEED_1000) val |= MVNETA_GMAC_CONFIG_GMII_SPEED; - else + else if (phydev->speed == SPEED_100) val |= MVNETA_GMAC_CONFIG_MII_SPEED; mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val); diff --git a/drivers/net/ethernet/mellanox/mlx4/cq.c b/drivers/net/ethernet/mellanox/mlx4/cq.c index 80f725228f5b..56022d647837 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/cq.c @@ -294,8 +294,6 @@ int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, init_completion(&cq->free); cq->irq = priv->eq_table.eq[cq->vector].irq; - cq->irq_affinity_change = false; - return 0; err_radix: diff --git a/drivers/net/ethernet/mellanox/mlx4/en_cq.c b/drivers/net/ethernet/mellanox/mlx4/en_cq.c index 4b2130760eed..82322b1c8411 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_cq.c @@ -128,11 +128,16 @@ int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq, mlx4_warn(mdev, "Failed assigning an EQ to %s, falling back to legacy EQ's\n", name); } + } } else { cq->vector = (cq->ring + 1 + priv->port) % mdev->dev->caps.num_comp_vectors; } + + cq->irq_desc = + irq_to_desc(mlx4_eq_get_irq(mdev->dev, + cq->vector)); } else { /* For TX we use the same irq per ring we assigned for the RX */ @@ -187,8 +192,6 @@ void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq **pcq) mlx4_en_unmap_buffer(&cq->wqres.buf); mlx4_free_hwq_res(mdev->dev, &cq->wqres, cq->buf_size); if (priv->mdev->dev->caps.comp_pool && cq->vector) { - if (!cq->is_tx) - irq_set_affinity_hint(cq->mcq.irq, NULL); mlx4_release_eq(priv->mdev->dev, cq->vector); } cq->vector = 0; @@ -204,6 +207,7 @@ void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq) if (!cq->is_tx) { napi_hash_del(&cq->napi); synchronize_rcu(); + irq_set_affinity_hint(cq->mcq.irq, NULL); } netif_napi_del(&cq->napi); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index fa1a069e14e6..68d763d2d030 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -417,6 +417,8 @@ static int mlx4_en_get_coalesce(struct net_device *dev, coal->tx_coalesce_usecs = priv->tx_usecs; coal->tx_max_coalesced_frames = priv->tx_frames; + coal->tx_max_coalesced_frames_irq = priv->tx_work_limit; + coal->rx_coalesce_usecs = priv->rx_usecs; coal->rx_max_coalesced_frames = priv->rx_frames; @@ -426,6 +428,7 @@ static int mlx4_en_get_coalesce(struct net_device *dev, coal->rx_coalesce_usecs_high = priv->rx_usecs_high; coal->rate_sample_interval = priv->sample_interval; coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal; + return 0; } @@ -434,6 +437,9 @@ static int mlx4_en_set_coalesce(struct net_device *dev, { struct mlx4_en_priv *priv = netdev_priv(dev); + if (!coal->tx_max_coalesced_frames_irq) + return -EINVAL; + priv->rx_frames = (coal->rx_max_coalesced_frames == MLX4_EN_AUTO_CONF) ? MLX4_EN_RX_COAL_TARGET : @@ -457,6 +463,7 @@ static int mlx4_en_set_coalesce(struct net_device *dev, priv->rx_usecs_high = coal->rx_coalesce_usecs_high; priv->sample_interval = coal->rate_sample_interval; priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce; + priv->tx_work_limit = coal->tx_max_coalesced_frames_irq; return mlx4_en_moderation_update(priv); } diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 7d4fb7bf2593..7345c43b019e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -2336,7 +2336,7 @@ static void mlx4_en_add_vxlan_port(struct net_device *dev, struct mlx4_en_priv *priv = netdev_priv(dev); __be16 current_port; - if (!(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS)) + if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) return; if (sa_family == AF_INET6) @@ -2473,6 +2473,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, MLX4_WQE_CTRL_SOLICITED); priv->num_tx_rings_p_up = mdev->profile.num_tx_rings_p_up; priv->tx_ring_num = prof->tx_ring_num; + priv->tx_work_limit = MLX4_EN_DEFAULT_TX_WORK; priv->tx_ring = kzalloc(sizeof(struct mlx4_en_tx_ring *) * MAX_TX_RINGS, GFP_KERNEL); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index d2d415732d99..5535862f27cc 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -40,6 +40,7 @@ #include <linux/if_ether.h> #include <linux/if_vlan.h> #include <linux/vmalloc.h> +#include <linux/irq.h> #include "mlx4_en.h" @@ -782,6 +783,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud PKT_HASH_TYPE_L3); skb_record_rx_queue(gro_skb, cq->ring); + skb_mark_napi_id(gro_skb, &cq->napi); if (ring->hwtstamp_rx_filter == HWTSTAMP_FILTER_ALL) { timestamp = mlx4_en_get_cqe_ts(cqe); @@ -896,16 +898,25 @@ int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget) /* If we used up all the quota - we're probably not done yet... */ if (done == budget) { + int cpu_curr; + const struct cpumask *aff; + INC_PERF_COUNTER(priv->pstats.napi_quota); - if (unlikely(cq->mcq.irq_affinity_change)) { - cq->mcq.irq_affinity_change = false; + + cpu_curr = smp_processor_id(); + aff = irq_desc_get_irq_data(cq->irq_desc)->affinity; + + if (unlikely(!cpumask_test_cpu(cpu_curr, aff))) { + /* Current cpu is not according to smp_irq_affinity - + * probably affinity changed. need to stop this NAPI + * poll, and restart it on the right CPU + */ napi_complete(napi); mlx4_en_arm_cq(priv, cq); return 0; } } else { /* Done for now */ - cq->mcq.irq_affinity_change = false; napi_complete(napi); mlx4_en_arm_cq(priv, cq); } diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 8be7483f8236..5045bab59633 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -351,9 +351,8 @@ int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring) return cnt; } -static int mlx4_en_process_tx_cq(struct net_device *dev, - struct mlx4_en_cq *cq, - int budget) +static bool mlx4_en_process_tx_cq(struct net_device *dev, + struct mlx4_en_cq *cq) { struct mlx4_en_priv *priv = netdev_priv(dev); struct mlx4_cq *mcq = &cq->mcq; @@ -372,9 +371,10 @@ static int mlx4_en_process_tx_cq(struct net_device *dev, int factor = priv->cqe_factor; u64 timestamp = 0; int done = 0; + int budget = priv->tx_work_limit; if (!priv->port_up) - return 0; + return true; index = cons_index & size_mask; cqe = &buf[(index << factor) + factor]; @@ -447,7 +447,7 @@ static int mlx4_en_process_tx_cq(struct net_device *dev, netif_tx_wake_queue(ring->tx_queue); ring->wake_queue++; } - return done; + return done < budget; } void mlx4_en_tx_irq(struct mlx4_cq *mcq) @@ -467,24 +467,16 @@ int mlx4_en_poll_tx_cq(struct napi_struct *napi, int budget) struct mlx4_en_cq *cq = container_of(napi, struct mlx4_en_cq, napi); struct net_device *dev = cq->dev; struct mlx4_en_priv *priv = netdev_priv(dev); - int done; + int clean_complete; - done = mlx4_en_process_tx_cq(dev, cq, budget); + clean_complete = mlx4_en_process_tx_cq(dev, cq); + if (!clean_complete) + return budget; - /* If we used up all the quota - we're probably not done yet... */ - if (done < budget) { - /* Done for now */ - cq->mcq.irq_affinity_change = false; - napi_complete(napi); - mlx4_en_arm_cq(priv, cq); - return done; - } else if (unlikely(cq->mcq.irq_affinity_change)) { - cq->mcq.irq_affinity_change = false; - napi_complete(napi); - mlx4_en_arm_cq(priv, cq); - return 0; - } - return budget; + napi_complete(napi); + mlx4_en_arm_cq(priv, cq); + + return 0; } static struct mlx4_en_tx_desc *mlx4_en_bounce_to_desc(struct mlx4_en_priv *priv, diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c index d954ec1eac17..2a004b347e1d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/eq.c +++ b/drivers/net/ethernet/mellanox/mlx4/eq.c @@ -53,11 +53,6 @@ enum { MLX4_EQ_ENTRY_SIZE = 0x20 }; -struct mlx4_irq_notify { - void *arg; - struct irq_affinity_notify notify; -}; - #define MLX4_EQ_STATUS_OK ( 0 << 28) #define MLX4_EQ_STATUS_WRITE_FAIL (10 << 28) #define MLX4_EQ_OWNER_SW ( 0 << 24) @@ -1088,57 +1083,6 @@ static void mlx4_unmap_clr_int(struct mlx4_dev *dev) iounmap(priv->clr_base); } -static void mlx4_irq_notifier_notify(struct irq_affinity_notify *notify, - const cpumask_t *mask) -{ - struct mlx4_irq_notify *n = container_of(notify, - struct mlx4_irq_notify, - notify); - struct mlx4_priv *priv = (struct mlx4_priv *)n->arg; - struct radix_tree_iter iter; - void **slot; - - radix_tree_for_each_slot(slot, &priv->cq_table.tree, &iter, 0) { - struct mlx4_cq *cq = (struct mlx4_cq *)(*slot); - - if (cq->irq == notify->irq) - cq->irq_affinity_change = true; - } -} - -static void mlx4_release_irq_notifier(struct kref *ref) -{ - struct mlx4_irq_notify *n = container_of(ref, struct mlx4_irq_notify, - notify.kref); - kfree(n); -} - -static void mlx4_assign_irq_notifier(struct mlx4_priv *priv, - struct mlx4_dev *dev, int irq) -{ - struct mlx4_irq_notify *irq_notifier = NULL; - int err = 0; - - irq_notifier = kzalloc(sizeof(*irq_notifier), GFP_KERNEL); - if (!irq_notifier) { - mlx4_warn(dev, "Failed to allocate irq notifier. irq %d\n", - irq); - return; - } - - irq_notifier->notify.irq = irq; - irq_notifier->notify.notify = mlx4_irq_notifier_notify; - irq_notifier->notify.release = mlx4_release_irq_notifier; - irq_notifier->arg = priv; - err = irq_set_affinity_notifier(irq, &irq_notifier->notify); - if (err) { - kfree(irq_notifier); - irq_notifier = NULL; - mlx4_warn(dev, "Failed to set irq notifier. irq %d\n", irq); - } -} - - int mlx4_alloc_eq_table(struct mlx4_dev *dev) { struct mlx4_priv *priv = mlx4_priv(dev); @@ -1409,8 +1353,6 @@ int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap, continue; /*we dont want to break here*/ } - mlx4_assign_irq_notifier(priv, dev, - priv->eq_table.eq[vec].irq); eq_set_ci(&priv->eq_table.eq[vec], 1); } @@ -1427,6 +1369,14 @@ int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap, } EXPORT_SYMBOL(mlx4_assign_eq); +int mlx4_eq_get_irq(struct mlx4_dev *dev, int vec) +{ + struct mlx4_priv *priv = mlx4_priv(dev); + + return priv->eq_table.eq[vec].irq; +} +EXPORT_SYMBOL(mlx4_eq_get_irq); + void mlx4_release_eq(struct mlx4_dev *dev, int vec) { struct mlx4_priv *priv = mlx4_priv(dev); @@ -1438,9 +1388,6 @@ void mlx4_release_eq(struct mlx4_dev *dev, int vec) Belonging to a legacy EQ*/ mutex_lock(&priv->msix_ctl.pool_lock); if (priv->msix_ctl.pool_bm & 1ULL << i) { - irq_set_affinity_notifier( - priv->eq_table.eq[vec].irq, - NULL); free_irq(priv->eq_table.eq[vec].irq, &priv->eq_table.eq[vec]); priv->msix_ctl.pool_bm &= ~(1ULL << i); diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 0e15295bedd6..d72a5a894fc6 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -126,6 +126,8 @@ enum { #define MAX_TX_RINGS (MLX4_EN_MAX_TX_RING_P_UP * \ MLX4_EN_NUM_UP) +#define MLX4_EN_DEFAULT_TX_WORK 256 + /* Target number of packets to coalesce with interrupt moderation */ #define MLX4_EN_RX_COAL_TARGET 44 #define MLX4_EN_RX_COAL_TIME 0x10 @@ -343,6 +345,7 @@ struct mlx4_en_cq { #define CQ_USER_PEND (MLX4_EN_CQ_STATE_POLL | MLX4_EN_CQ_STATE_POLL_YIELD) spinlock_t poll_lock; /* protects from LLS/napi conflicts */ #endif /* CONFIG_NET_RX_BUSY_POLL */ + struct irq_desc *irq_desc; }; struct mlx4_en_port_profile { @@ -542,6 +545,7 @@ struct mlx4_en_priv { __be32 ctrl_flags; u32 flags; u8 num_tx_rings_p_up; + u32 tx_work_limit; u32 tx_ring_num; u32 rx_ring_num; u32 rx_skb_size; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mr.c b/drivers/net/ethernet/mellanox/mlx5/core/mr.c index ba0401d4af50..184c3615f479 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/mr.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/mr.c @@ -94,6 +94,11 @@ int mlx5_core_create_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr, write_lock_irq(&table->lock); err = radix_tree_insert(&table->tree, mlx5_base_mkey(mr->key), mr); write_unlock_irq(&table->lock); + if (err) { + mlx5_core_warn(dev, "failed radix tree insert of mr 0x%x, %d\n", + mlx5_base_mkey(mr->key), err); + mlx5_core_destroy_mkey(dev, mr); + } return err; } @@ -104,12 +109,22 @@ int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr) struct mlx5_mr_table *table = &dev->priv.mr_table; struct mlx5_destroy_mkey_mbox_in in; struct mlx5_destroy_mkey_mbox_out out; + struct mlx5_core_mr *deleted_mr; unsigned long flags; int err; memset(&in, 0, sizeof(in)); memset(&out, 0, sizeof(out)); + write_lock_irqsave(&table->lock, flags); + deleted_mr = radix_tree_delete(&table->tree, mlx5_base_mkey(mr->key)); + write_unlock_irqrestore(&table->lock, flags); + if (!deleted_mr) { + mlx5_core_warn(dev, "failed radix tree delete of mr 0x%x\n", + mlx5_base_mkey(mr->key)); + return -ENOENT; + } + in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_DESTROY_MKEY); in.mkey = cpu_to_be32(mlx5_mkey_to_idx(mr->key)); err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); @@ -119,10 +134,6 @@ int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr) if (out.hdr.status) return mlx5_cmd_status_to_err(&out.hdr); - write_lock_irqsave(&table->lock, flags); - radix_tree_delete(&table->tree, mlx5_base_mkey(mr->key)); - write_unlock_irqrestore(&table->lock, flags); - return err; } EXPORT_SYMBOL(mlx5_core_destroy_mkey); diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index be425ad5e824..61623e9af574 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -538,6 +538,7 @@ enum rtl_register_content { MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */ LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */ Jumbo_En0 = (1 << 2), /* 8168 only. Reserved in the 8168b */ + Rdy_to_L23 = (1 << 1), /* L23 Enable */ Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */ /* Config4 register */ @@ -4239,6 +4240,8 @@ static void rtl_init_rxcfg(struct rtl8169_private *tp) RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST); break; case RTL_GIGA_MAC_VER_40: + RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF); + break; case RTL_GIGA_MAC_VER_41: case RTL_GIGA_MAC_VER_42: case RTL_GIGA_MAC_VER_43: @@ -4897,6 +4900,21 @@ static void rtl_enable_clock_request(struct pci_dev *pdev) PCI_EXP_LNKCTL_CLKREQ_EN); } +static void rtl_pcie_state_l2l3_enable(struct rtl8169_private *tp, bool enable) +{ + void __iomem *ioaddr = tp->mmio_addr; + u8 data; + + data = RTL_R8(Config3); + + if (enable) + data |= Rdy_to_L23; + else + data &= ~Rdy_to_L23; + + RTL_W8(Config3, data); +} + #define R8168_CPCMD_QUIRK_MASK (\ EnableBist | \ Mac_dbgo_oe | \ @@ -5246,6 +5264,7 @@ static void rtl_hw_start_8411(struct rtl8169_private *tp) }; rtl_hw_start_8168f(tp); + rtl_pcie_state_l2l3_enable(tp, false); rtl_ephy_init(tp, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1)); @@ -5284,6 +5303,8 @@ static void rtl_hw_start_8168g_1(struct rtl8169_private *tp) rtl_w1w0_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06, ERIAR_EXGMAC); rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, 0x1000, ERIAR_EXGMAC); + + rtl_pcie_state_l2l3_enable(tp, false); } static void rtl_hw_start_8168g_2(struct rtl8169_private *tp) @@ -5536,6 +5557,8 @@ static void rtl_hw_start_8105e_1(struct rtl8169_private *tp) RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN); rtl_ephy_init(tp, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1)); + + rtl_pcie_state_l2l3_enable(tp, false); } static void rtl_hw_start_8105e_2(struct rtl8169_private *tp) @@ -5571,6 +5594,8 @@ static void rtl_hw_start_8402(struct rtl8169_private *tp) rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); rtl_w1w0_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0e00, 0xff00, ERIAR_EXGMAC); + + rtl_pcie_state_l2l3_enable(tp, false); } static void rtl_hw_start_8106(struct rtl8169_private *tp) @@ -5583,6 +5608,8 @@ static void rtl_hw_start_8106(struct rtl8169_private *tp) RTL_W32(MISC, (RTL_R32(MISC) | DISABLE_LAN_EN) & ~EARLY_TALLY_EN); RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET); RTL_W8(DLLPR, RTL_R8(DLLPR) & ~PFM_EN); + + rtl_pcie_state_l2l3_enable(tp, false); } static void rtl_hw_start_8101(struct net_device *dev) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c index b3e148ef5683..9d3748361a1e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c @@ -320,11 +320,8 @@ static void dwmac1000_set_eee_timer(void __iomem *ioaddr, int ls, int tw) static void dwmac1000_ctrl_ane(void __iomem *ioaddr, bool restart) { - u32 value; - - value = readl(ioaddr + GMAC_AN_CTRL); /* auto negotiation enable and External Loopback enable */ - value = GMAC_AN_CTRL_ANE | GMAC_AN_CTRL_ELE; + u32 value = GMAC_AN_CTRL_ANE | GMAC_AN_CTRL_ELE; if (restart) value |= GMAC_AN_CTRL_RAN; diff --git a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c index 7e6628a91514..1e2bcf5f89e1 100644 --- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c @@ -145,7 +145,7 @@ static void enh_desc_get_ext_status(void *data, struct stmmac_extra_stats *x, x->rx_msg_type_delay_req++; else if (p->des4.erx.msg_type == RDES_EXT_DELAY_RESP) x->rx_msg_type_delay_resp++; - else if (p->des4.erx.msg_type == RDES_EXT_DELAY_REQ) + else if (p->des4.erx.msg_type == RDES_EXT_PDELAY_REQ) x->rx_msg_type_pdelay_req++; else if (p->des4.erx.msg_type == RDES_EXT_PDELAY_RESP) x->rx_msg_type_pdelay_resp++; diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c index 1c24a8f368bd..d813bfb1a847 100644 --- a/drivers/net/ethernet/sun/sunvnet.c +++ b/drivers/net/ethernet/sun/sunvnet.c @@ -610,6 +610,13 @@ static int __vnet_tx_trigger(struct vnet_port *port) return err; } +static inline bool port_is_up(struct vnet_port *vnet) +{ + struct vio_driver_state *vio = &vnet->vio; + + return !!(vio->hs_state & VIO_HS_COMPLETE); +} + struct vnet_port *__tx_port_find(struct vnet *vp, struct sk_buff *skb) { unsigned int hash = vnet_hashfn(skb->data); @@ -617,14 +624,19 @@ struct vnet_port *__tx_port_find(struct vnet *vp, struct sk_buff *skb) struct vnet_port *port; hlist_for_each_entry(port, hp, hash) { + if (!port_is_up(port)) + continue; if (ether_addr_equal(port->raddr, skb->data)) return port; } - port = NULL; - if (!list_empty(&vp->port_list)) - port = list_entry(vp->port_list.next, struct vnet_port, list); - - return port; + list_for_each_entry(port, &vp->port_list, list) { + if (!port->switch_port) + continue; + if (!port_is_up(port)) + continue; + return port; + } + return NULL; } struct vnet_port *tx_port_find(struct vnet *vp, struct sk_buff *skb) @@ -1083,6 +1095,24 @@ static struct vnet *vnet_find_or_create(const u64 *local_mac) return vp; } +static void vnet_cleanup(void) +{ + struct vnet *vp; + struct net_device *dev; + + mutex_lock(&vnet_list_mutex); + while (!list_empty(&vnet_list)) { + vp = list_first_entry(&vnet_list, struct vnet, list); + list_del(&vp->list); + dev = vp->dev; + /* vio_unregister_driver() should have cleaned up port_list */ + BUG_ON(!list_empty(&vp->port_list)); + unregister_netdev(dev); + free_netdev(dev); + } + mutex_unlock(&vnet_list_mutex); +} + static const char *local_mac_prop = "local-mac-address"; static struct vnet *vnet_find_parent(struct mdesc_handle *hp, @@ -1240,7 +1270,6 @@ static int vnet_port_remove(struct vio_dev *vdev) kfree(port); - unregister_netdev(vp->dev); } return 0; } @@ -1268,6 +1297,7 @@ static int __init vnet_init(void) static void __exit vnet_exit(void) { vio_unregister_driver(&vnet_port_driver); + vnet_cleanup(); } module_init(vnet_init); diff --git a/drivers/net/fddi/defxx.c b/drivers/net/fddi/defxx.c index eb78203cd58e..2aa57270838f 100644 --- a/drivers/net/fddi/defxx.c +++ b/drivers/net/fddi/defxx.c @@ -291,7 +291,11 @@ static int dfx_hw_dma_uninit(DFX_board_t *bp, PI_UINT32 type); static int dfx_rcv_init(DFX_board_t *bp, int get_buffers); static void dfx_rcv_queue_process(DFX_board_t *bp); +#ifdef DYNAMIC_BUFFERS static void dfx_rcv_flush(DFX_board_t *bp); +#else +static inline void dfx_rcv_flush(DFX_board_t *bp) {} +#endif static netdev_tx_t dfx_xmt_queue_pkt(struct sk_buff *skb, struct net_device *dev); @@ -2849,7 +2853,7 @@ static int dfx_hw_dma_uninit(DFX_board_t *bp, PI_UINT32 type) * Align an sk_buff to a boundary power of 2 * */ - +#ifdef DYNAMIC_BUFFERS static void my_skb_align(struct sk_buff *skb, int n) { unsigned long x = (unsigned long)skb->data; @@ -2859,7 +2863,7 @@ static void my_skb_align(struct sk_buff *skb, int n) skb_reserve(skb, v - x); } - +#endif /* * ================ @@ -3074,10 +3078,7 @@ static void dfx_rcv_queue_process( break; } else { -#ifndef DYNAMIC_BUFFERS - if (! rx_in_place) -#endif - { + if (!rx_in_place) { /* Receive buffer allocated, pass receive packet up */ skb_copy_to_linear_data(skb, @@ -3453,10 +3454,6 @@ static void dfx_rcv_flush( DFX_board_t *bp ) } } -#else -static inline void dfx_rcv_flush( DFX_board_t *bp ) -{ -} #endif /* DYNAMIC_BUFFERS */ /* diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 4ed38eaecea8..d97d5f39a04e 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -378,8 +378,10 @@ static int netvsc_init_buf(struct hv_device *device) net_device->send_section_map = kzalloc(net_device->map_words * sizeof(ulong), GFP_KERNEL); - if (net_device->send_section_map == NULL) + if (net_device->send_section_map == NULL) { + ret = -ENOMEM; goto cleanup; + } goto exit; diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 6a999e6814a0..9408157a246c 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -1323,15 +1323,15 @@ static bool dp83640_rxtstamp(struct phy_device *phydev, { struct dp83640_private *dp83640 = phydev->priv; - if (!dp83640->hwts_rx_en) - return false; - if (is_status_frame(skb, type)) { decode_status_frame(dp83640, skb); kfree_skb(skb); return true; } + if (!dp83640->hwts_rx_en) + return false; + SKB_PTP_TYPE(skb) = type; skb_queue_tail(&dp83640->rx_queue, skb); schedule_work(&dp83640->ts_work); diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 2e58aa54484c..203651ebccb0 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -187,6 +187,50 @@ struct mii_bus *of_mdio_find_bus(struct device_node *mdio_bus_np) return d ? to_mii_bus(d) : NULL; } EXPORT_SYMBOL(of_mdio_find_bus); + +/* Walk the list of subnodes of a mdio bus and look for a node that matches the + * phy's address with its 'reg' property. If found, set the of_node pointer for + * the phy. This allows auto-probed pyh devices to be supplied with information + * passed in via DT. + */ +static void of_mdiobus_link_phydev(struct mii_bus *mdio, + struct phy_device *phydev) +{ + struct device *dev = &phydev->dev; + struct device_node *child; + + if (dev->of_node || !mdio->dev.of_node) + return; + + for_each_available_child_of_node(mdio->dev.of_node, child) { + int addr; + int ret; + + ret = of_property_read_u32(child, "reg", &addr); + if (ret < 0) { + dev_err(dev, "%s has invalid PHY address\n", + child->full_name); + continue; + } + + /* A PHY must have a reg property in the range [0-31] */ + if (addr >= PHY_MAX_ADDR) { + dev_err(dev, "%s PHY address %i is too large\n", + child->full_name, addr); + continue; + } + + if (addr == phydev->addr) { + dev->of_node = child; + return; + } + } +} +#else /* !IS_ENABLED(CONFIG_OF_MDIO) */ +static inline void of_mdiobus_link_phydev(struct mii_bus *mdio, + struct phy_device *phydev) +{ +} #endif /** @@ -211,6 +255,7 @@ int mdiobus_register(struct mii_bus *bus) bus->dev.parent = bus->parent; bus->dev.class = &mdio_bus_class; + bus->dev.driver = bus->parent->driver; bus->dev.groups = NULL; dev_set_name(&bus->dev, "%s", bus->id); diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 35d753d22f78..22c57be4dfa0 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -355,7 +355,7 @@ int phy_device_register(struct phy_device *phydev) phydev->bus->phy_map[phydev->addr] = phydev; /* Run all of the fixups for this PHY */ - err = phy_init_hw(phydev); + err = phy_scan_fixups(phydev); if (err) { pr_err("PHY %d failed to initialize\n", phydev->addr); goto out; @@ -575,6 +575,7 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, u32 flags, phy_interface_t interface) { struct device *d = &phydev->dev; + struct module *bus_module; int err; /* Assume that if there is no driver, that it doesn't @@ -599,6 +600,14 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, return -EBUSY; } + /* Increment the bus module reference count */ + bus_module = phydev->bus->dev.driver ? + phydev->bus->dev.driver->owner : NULL; + if (!try_module_get(bus_module)) { + dev_err(&dev->dev, "failed to get the bus module\n"); + return -EIO; + } + phydev->attached_dev = dev; dev->phydev = phydev; @@ -664,6 +673,10 @@ EXPORT_SYMBOL(phy_attach); void phy_detach(struct phy_device *phydev) { int i; + + if (phydev->bus->dev.driver) + module_put(phydev->bus->dev.driver->owner); + phydev->attached_dev->phydev = NULL; phydev->attached_dev = NULL; phy_suspend(phydev); diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index 91d6c1272fcf..d5b77ef3a210 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -539,7 +539,7 @@ static int get_filter(void __user *arg, struct sock_filter **p) { struct sock_fprog uprog; struct sock_filter *code = NULL; - int len, err; + int len; if (copy_from_user(&uprog, arg, sizeof(uprog))) return -EFAULT; @@ -554,12 +554,6 @@ static int get_filter(void __user *arg, struct sock_filter **p) if (IS_ERR(code)) return PTR_ERR(code); - err = sk_chk_filter(code, uprog.len); - if (err) { - kfree(code); - return err; - } - *p = code; return uprog.len; } @@ -763,10 +757,15 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) }; ppp_lock(ppp); - if (ppp->pass_filter) + if (ppp->pass_filter) { sk_unattached_filter_destroy(ppp->pass_filter); - err = sk_unattached_filter_create(&ppp->pass_filter, - &fprog); + ppp->pass_filter = NULL; + } + if (fprog.filter != NULL) + err = sk_unattached_filter_create(&ppp->pass_filter, + &fprog); + else + err = 0; kfree(code); ppp_unlock(ppp); } @@ -784,10 +783,15 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) }; ppp_lock(ppp); - if (ppp->active_filter) + if (ppp->active_filter) { sk_unattached_filter_destroy(ppp->active_filter); - err = sk_unattached_filter_create(&ppp->active_filter, - &fprog); + ppp->active_filter = NULL; + } + if (fprog.filter != NULL) + err = sk_unattached_filter_create(&ppp->active_filter, + &fprog); + else + err = 0; kfree(code); ppp_unlock(ppp); } diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c index 2ea7efd11857..6c9c16d76935 100644 --- a/drivers/net/ppp/pppoe.c +++ b/drivers/net/ppp/pppoe.c @@ -675,7 +675,7 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr, po->chan.hdrlen = (sizeof(struct pppoe_hdr) + dev->hard_header_len); - po->chan.mtu = dev->mtu - sizeof(struct pppoe_hdr); + po->chan.mtu = dev->mtu - sizeof(struct pppoe_hdr) - 2; po->chan.private = sk; po->chan.ops = &pppoe_chan_ops; diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 9ea4bfe5d318..2a32d9167d3b 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -341,6 +341,22 @@ next_desc: usb_driver_release_interface(driver, info->data); return -ENODEV; } + + /* Some devices don't initialise properly. In particular + * the packet filter is not reset. There are devices that + * don't do reset all the way. So the packet filter should + * be set to a sane initial value. + */ + usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + USB_CDC_SET_ETHERNET_PACKET_FILTER, + USB_TYPE_CLASS | USB_RECIP_INTERFACE, + USB_CDC_PACKET_TYPE_ALL_MULTICAST | USB_CDC_PACKET_TYPE_DIRECTED | USB_CDC_PACKET_TYPE_BROADCAST, + intf->cur_altsetting->desc.bInterfaceNumber, + NULL, + 0, + USB_CTRL_SET_TIMEOUT + ); return 0; bad_desc: diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index a3a05869309d..a4272ed62da8 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -258,10 +258,8 @@ struct hso_serial { * so as not to drop characters on the floor. */ int curr_rx_urb_idx; - u16 curr_rx_urb_offset; u8 rx_urb_filled[MAX_RX_URBS]; struct tasklet_struct unthrottle_tasklet; - struct work_struct retry_unthrottle_workqueue; }; struct hso_device { @@ -1252,14 +1250,6 @@ static void hso_unthrottle(struct tty_struct *tty) tasklet_hi_schedule(&serial->unthrottle_tasklet); } -static void hso_unthrottle_workfunc(struct work_struct *work) -{ - struct hso_serial *serial = - container_of(work, struct hso_serial, - retry_unthrottle_workqueue); - hso_unthrottle_tasklet(serial); -} - /* open the requested serial port */ static int hso_serial_open(struct tty_struct *tty, struct file *filp) { @@ -1295,8 +1285,6 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp) tasklet_init(&serial->unthrottle_tasklet, (void (*)(unsigned long))hso_unthrottle_tasklet, (unsigned long)serial); - INIT_WORK(&serial->retry_unthrottle_workqueue, - hso_unthrottle_workfunc); result = hso_start_serial_device(serial->parent, GFP_KERNEL); if (result) { hso_stop_serial_device(serial->parent); @@ -1345,7 +1333,6 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp) if (!usb_gone) hso_stop_serial_device(serial->parent); tasklet_kill(&serial->unthrottle_tasklet); - cancel_work_sync(&serial->retry_unthrottle_workqueue); } if (!usb_gone) @@ -2013,8 +2000,7 @@ static void ctrl_callback(struct urb *urb) static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial) { struct tty_struct *tty; - int write_length_remaining = 0; - int curr_write_len; + int count; /* Sanity check */ if (urb == NULL || serial == NULL) { @@ -2024,29 +2010,28 @@ static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial) tty = tty_port_tty_get(&serial->port); + if (tty && test_bit(TTY_THROTTLED, &tty->flags)) { + tty_kref_put(tty); + return -1; + } + /* Push data to tty */ - write_length_remaining = urb->actual_length - - serial->curr_rx_urb_offset; D1("data to push to tty"); - while (write_length_remaining) { - if (tty && test_bit(TTY_THROTTLED, &tty->flags)) { - tty_kref_put(tty); - return -1; - } - curr_write_len = tty_insert_flip_string(&serial->port, - urb->transfer_buffer + serial->curr_rx_urb_offset, - write_length_remaining); - serial->curr_rx_urb_offset += curr_write_len; - write_length_remaining -= curr_write_len; + count = tty_buffer_request_room(&serial->port, urb->actual_length); + if (count >= urb->actual_length) { + tty_insert_flip_string(&serial->port, urb->transfer_buffer, + urb->actual_length); tty_flip_buffer_push(&serial->port); + } else { + dev_warn(&serial->parent->usb->dev, + "dropping data, %d bytes lost\n", urb->actual_length); } + tty_kref_put(tty); - if (write_length_remaining == 0) { - serial->curr_rx_urb_offset = 0; - serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 0; - } - return write_length_remaining; + serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 0; + + return 0; } @@ -2217,7 +2202,6 @@ static int hso_stop_serial_device(struct hso_device *hso_dev) } } serial->curr_rx_urb_idx = 0; - serial->curr_rx_urb_offset = 0; if (serial->tx_urb) usb_kill_urb(serial->tx_urb); diff --git a/drivers/net/usb/huawei_cdc_ncm.c b/drivers/net/usb/huawei_cdc_ncm.c index 5d95a13dbe2a..735f7dadb9a0 100644 --- a/drivers/net/usb/huawei_cdc_ncm.c +++ b/drivers/net/usb/huawei_cdc_ncm.c @@ -194,6 +194,9 @@ static const struct usb_device_id huawei_cdc_ncm_devs[] = { { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x76), .driver_info = (unsigned long)&huawei_cdc_ncm_info, }, + { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x03, 0x16), + .driver_info = (unsigned long)&huawei_cdc_ncm_info, + }, /* Terminating entry */ { diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index cf62d7e8329f..22756db53dca 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -667,6 +667,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x05c6, 0x9084, 4)}, {QMI_FIXED_INTF(0x05c6, 0x920d, 0)}, {QMI_FIXED_INTF(0x05c6, 0x920d, 5)}, + {QMI_FIXED_INTF(0x0846, 0x68a2, 8)}, {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */ {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */ {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */ @@ -741,6 +742,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, {QMI_FIXED_INTF(0x19d2, 0x1425, 2)}, {QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */ + {QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */ {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ @@ -756,6 +758,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1199, 0x9054, 8)}, /* Sierra Wireless Modem */ {QMI_FIXED_INTF(0x1199, 0x9055, 8)}, /* Netgear AirCard 341U */ {QMI_FIXED_INTF(0x1199, 0x9056, 8)}, /* Sierra Wireless Modem */ + {QMI_FIXED_INTF(0x1199, 0x9057, 8)}, {QMI_FIXED_INTF(0x1199, 0x9061, 8)}, /* Sierra Wireless Modem */ {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ {QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 25431965a625..3eab74c7c554 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -282,7 +282,7 @@ /* USB_DEV_STAT */ #define STAT_SPEED_MASK 0x0006 #define STAT_SPEED_HIGH 0x0000 -#define STAT_SPEED_FULL 0x0001 +#define STAT_SPEED_FULL 0x0002 /* USB_TX_AGG */ #define TX_AGG_MAX_THRESHOLD 0x03 @@ -1359,7 +1359,7 @@ static void r8152_csum_workaround(struct r8152 *tp, struct sk_buff *skb, struct sk_buff_head seg_list; struct sk_buff *segs, *nskb; - features &= ~(NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO); + features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6); segs = skb_gso_segment(skb, features); if (IS_ERR(segs) || !segs) goto drop; @@ -2292,9 +2292,8 @@ static void r8152b_exit_oob(struct r8152 *tp) /* rx share fifo credit full threshold */ ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL); - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_DEV_STAT); - ocp_data &= STAT_SPEED_MASK; - if (ocp_data == STAT_SPEED_FULL) { + if (tp->udev->speed == USB_SPEED_FULL || + tp->udev->speed == USB_SPEED_LOW) { /* rx share fifo credit near full threshold */ ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_FULL); @@ -3204,8 +3203,13 @@ static void rtl8152_get_ethtool_stats(struct net_device *dev, struct r8152 *tp = netdev_priv(dev); struct tally_counter tally; + if (usb_autopm_get_interface(tp->intf) < 0) + return; + generic_ocp_read(tp, PLA_TALLYCNT, sizeof(tally), &tally, MCU_TYPE_PLA); + usb_autopm_put_interface(tp->intf); + data[0] = le64_to_cpu(tally.tx_packets); data[1] = le64_to_cpu(tally.rx_packets); data[2] = le64_to_cpu(tally.tx_errors); diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 424db65e4396..d07bf4cb893f 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1714,6 +1714,18 @@ static int smsc95xx_resume(struct usb_interface *intf) return ret; } +static int smsc95xx_reset_resume(struct usb_interface *intf) +{ + struct usbnet *dev = usb_get_intfdata(intf); + int ret; + + ret = smsc95xx_reset(dev); + if (ret < 0) + return ret; + + return smsc95xx_resume(intf); +} + static void smsc95xx_rx_csum_offload(struct sk_buff *skb) { skb->csum = *(u16 *)(skb_tail_pointer(skb) - 2); @@ -2004,7 +2016,7 @@ static struct usb_driver smsc95xx_driver = { .probe = usbnet_probe, .suspend = smsc95xx_suspend, .resume = smsc95xx_resume, - .reset_resume = smsc95xx_resume, + .reset_resume = smsc95xx_reset_resume, .disconnect = usbnet_disconnect, .disable_hub_initiated_lpm = 1, .supports_autosuspend = 1, diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index ade33ef82823..9f79192c9aa0 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -339,7 +339,7 @@ static int vxlan_fdb_info(struct sk_buff *skb, struct vxlan_dev *vxlan, ndm->ndm_state = fdb->state; ndm->ndm_ifindex = vxlan->dev->ifindex; ndm->ndm_flags = fdb->flags; - ndm->ndm_type = NDA_DST; + ndm->ndm_type = RTN_UNICAST; if (send_eth && nla_put(skb, NDA_LLADDR, ETH_ALEN, &fdb->eth_addr)) goto nla_put_failure; diff --git a/drivers/net/wan/farsync.c b/drivers/net/wan/farsync.c index 93ace042d0aa..1f041271f7fe 100644 --- a/drivers/net/wan/farsync.c +++ b/drivers/net/wan/farsync.c @@ -2363,7 +2363,7 @@ static char *type_strings[] = { "FarSync TE1" }; -static void +static int fst_init_card(struct fst_card_info *card) { int i; @@ -2374,24 +2374,21 @@ fst_init_card(struct fst_card_info *card) * we'll have to revise it in some way then. */ for (i = 0; i < card->nports; i++) { - err = register_hdlc_device(card->ports[i].dev); - if (err < 0) { - int j; + err = register_hdlc_device(card->ports[i].dev); + if (err < 0) { pr_err("Cannot register HDLC device for port %d (errno %d)\n", - i, -err); - for (j = i; j < card->nports; j++) { - free_netdev(card->ports[j].dev); - card->ports[j].dev = NULL; - } - card->nports = i; - break; - } + i, -err); + while (i--) + unregister_hdlc_device(card->ports[i].dev); + return err; + } } pr_info("%s-%s: %s IRQ%d, %d ports\n", port_to_dev(&card->ports[0])->name, port_to_dev(&card->ports[card->nports - 1])->name, type_strings[card->type], card->irq, card->nports); + return 0; } static const struct net_device_ops fst_ops = { @@ -2447,15 +2444,12 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent) /* Try to enable the device */ if ((err = pci_enable_device(pdev)) != 0) { pr_err("Failed to enable card. Err %d\n", -err); - kfree(card); - return err; + goto enable_fail; } if ((err = pci_request_regions(pdev, "FarSync")) !=0) { pr_err("Failed to allocate regions. Err %d\n", -err); - pci_disable_device(pdev); - kfree(card); - return err; + goto regions_fail; } /* Get virtual addresses of memory regions */ @@ -2464,30 +2458,21 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent) card->phys_ctlmem = pci_resource_start(pdev, 3); if ((card->mem = ioremap(card->phys_mem, FST_MEMSIZE)) == NULL) { pr_err("Physical memory remap failed\n"); - pci_release_regions(pdev); - pci_disable_device(pdev); - kfree(card); - return -ENODEV; + err = -ENODEV; + goto ioremap_physmem_fail; } if ((card->ctlmem = ioremap(card->phys_ctlmem, 0x10)) == NULL) { pr_err("Control memory remap failed\n"); - pci_release_regions(pdev); - pci_disable_device(pdev); - iounmap(card->mem); - kfree(card); - return -ENODEV; + err = -ENODEV; + goto ioremap_ctlmem_fail; } dbg(DBG_PCI, "kernel mem %p, ctlmem %p\n", card->mem, card->ctlmem); /* Register the interrupt handler */ if (request_irq(pdev->irq, fst_intr, IRQF_SHARED, FST_DEV_NAME, card)) { pr_err("Unable to register interrupt %d\n", card->irq); - pci_release_regions(pdev); - pci_disable_device(pdev); - iounmap(card->ctlmem); - iounmap(card->mem); - kfree(card); - return -ENODEV; + err = -ENODEV; + goto irq_fail; } /* Record info we need */ @@ -2513,13 +2498,8 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent) while (i--) free_netdev(card->ports[i].dev); pr_err("FarSync: out of memory\n"); - free_irq(card->irq, card); - pci_release_regions(pdev); - pci_disable_device(pdev); - iounmap(card->ctlmem); - iounmap(card->mem); - kfree(card); - return -ENODEV; + err = -ENOMEM; + goto hdlcdev_fail; } card->ports[i].dev = dev; card->ports[i].card = card; @@ -2565,9 +2545,16 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_drvdata(pdev, card); /* Remainder of card setup */ + if (no_of_cards_added >= FST_MAX_CARDS) { + pr_err("FarSync: too many cards\n"); + err = -ENOMEM; + goto card_array_fail; + } fst_card_array[no_of_cards_added] = card; card->card_no = no_of_cards_added++; /* Record instance and bump it */ - fst_init_card(card); + err = fst_init_card(card); + if (err) + goto init_card_fail; if (card->family == FST_FAMILY_TXU) { /* * Allocate a dma buffer for transmit and receives @@ -2577,29 +2564,46 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent) &card->rx_dma_handle_card); if (card->rx_dma_handle_host == NULL) { pr_err("Could not allocate rx dma buffer\n"); - fst_disable_intr(card); - pci_release_regions(pdev); - pci_disable_device(pdev); - iounmap(card->ctlmem); - iounmap(card->mem); - kfree(card); - return -ENOMEM; + err = -ENOMEM; + goto rx_dma_fail; } card->tx_dma_handle_host = pci_alloc_consistent(card->device, FST_MAX_MTU, &card->tx_dma_handle_card); if (card->tx_dma_handle_host == NULL) { pr_err("Could not allocate tx dma buffer\n"); - fst_disable_intr(card); - pci_release_regions(pdev); - pci_disable_device(pdev); - iounmap(card->ctlmem); - iounmap(card->mem); - kfree(card); - return -ENOMEM; + err = -ENOMEM; + goto tx_dma_fail; } } return 0; /* Success */ + +tx_dma_fail: + pci_free_consistent(card->device, FST_MAX_MTU, + card->rx_dma_handle_host, + card->rx_dma_handle_card); +rx_dma_fail: + fst_disable_intr(card); + for (i = 0 ; i < card->nports ; i++) + unregister_hdlc_device(card->ports[i].dev); +init_card_fail: + fst_card_array[card->card_no] = NULL; +card_array_fail: + for (i = 0 ; i < card->nports ; i++) + free_netdev(card->ports[i].dev); +hdlcdev_fail: + free_irq(card->irq, card); +irq_fail: + iounmap(card->ctlmem); +ioremap_ctlmem_fail: + iounmap(card->mem); +ioremap_physmem_fail: + pci_release_regions(pdev); +regions_fail: + pci_disable_device(pdev); +enable_fail: + kfree(card); + return err; } /* diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c index 5895f1978691..fa9fdfa128c1 100644 --- a/drivers/net/wan/x25_asy.c +++ b/drivers/net/wan/x25_asy.c @@ -122,8 +122,12 @@ static int x25_asy_change_mtu(struct net_device *dev, int newmtu) { struct x25_asy *sl = netdev_priv(dev); unsigned char *xbuff, *rbuff; - int len = 2 * newmtu; + int len; + if (newmtu > 65534) + return -EINVAL; + + len = 2 * newmtu; xbuff = kmalloc(len + 4, GFP_ATOMIC); rbuff = kmalloc(len + 4, GFP_ATOMIC); diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 82017f56e661..e6c56c5bb0f6 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -795,7 +795,11 @@ int ath10k_core_start(struct ath10k *ar) if (status) goto err_htc_stop; - ar->free_vdev_map = (1 << TARGET_NUM_VDEVS) - 1; + if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) + ar->free_vdev_map = (1 << TARGET_10X_NUM_VDEVS) - 1; + else + ar->free_vdev_map = (1 << TARGET_NUM_VDEVS) - 1; + INIT_LIST_HEAD(&ar->arvifs); if (!test_bit(ATH10K_FLAG_FIRST_BOOT_DONE, &ar->dev_flags)) diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index 6c102b1312ff..eebc860c3655 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -312,7 +312,6 @@ static int ath10k_htt_rx_amsdu_pop(struct ath10k_htt *htt, int msdu_len, msdu_chaining = 0; struct sk_buff *msdu; struct htt_rx_desc *rx_desc; - bool corrupted = false; lockdep_assert_held(&htt->rx_ring.lock); @@ -439,9 +438,6 @@ static int ath10k_htt_rx_amsdu_pop(struct ath10k_htt *htt, last_msdu = __le32_to_cpu(rx_desc->msdu_end.info0) & RX_MSDU_END_INFO0_LAST_MSDU; - if (msdu_chaining && !last_msdu) - corrupted = true; - if (last_msdu) { msdu->next = NULL; break; @@ -457,20 +453,6 @@ static int ath10k_htt_rx_amsdu_pop(struct ath10k_htt *htt, msdu_chaining = -1; /* - * Apparently FW sometimes reports weird chained MSDU sequences with - * more than one rx descriptor. This seems like a bug but needs more - * analyzing. For the time being fix it by dropping such sequences to - * avoid blowing up the host system. - */ - if (corrupted) { - ath10k_warn("failed to pop chained msdus, dropping\n"); - ath10k_htt_rx_free_msdu_chain(*head_msdu); - *head_msdu = NULL; - *tail_msdu = NULL; - msdu_chaining = -EINVAL; - } - - /* * Don't refill the ring yet. * * First, the elements popped here are still in use - it is not diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 66acb2cbd9df..7c28cb55610b 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -887,6 +887,15 @@ ath_tx_get_tid_subframe(struct ath_softc *sc, struct ath_txq *txq, tx_info = IEEE80211_SKB_CB(skb); tx_info->flags &= ~IEEE80211_TX_CTL_CLEAR_PS_FILT; + + /* + * No aggregation session is running, but there may be frames + * from a previous session or a failed attempt in the queue. + * Send them out as normal data frames + */ + if (!tid->active) + tx_info->flags &= ~IEEE80211_TX_CTL_AMPDU; + if (!(tx_info->flags & IEEE80211_TX_CTL_AMPDU)) { bf->bf_state.bf_type = 0; return bf; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c index 6db51a666f61..d06fcb05adf2 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c @@ -1184,8 +1184,6 @@ static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) bus->bus_priv.usb = bus_pub; dev_set_drvdata(dev, bus); bus->ops = &brcmf_usb_bus_ops; - bus->chip = bus_pub->devid; - bus->chiprev = bus_pub->chiprev; bus->proto_type = BRCMF_PROTO_BCDC; bus->always_use_fws_queue = true; @@ -1194,6 +1192,9 @@ static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) if (ret) goto fail; } + bus->chip = bus_pub->devid; + bus->chiprev = bus_pub->chiprev; + /* request firmware here */ brcmf_fw_get_firmwares(dev, 0, brcmf_usb_get_fwname(devinfo), NULL, brcmf_usb_probe_phase2); diff --git a/drivers/net/wireless/iwlwifi/dvm/rxon.c b/drivers/net/wireless/iwlwifi/dvm/rxon.c index ed50de6362ed..6dc5dd3ced44 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rxon.c +++ b/drivers/net/wireless/iwlwifi/dvm/rxon.c @@ -1068,13 +1068,6 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) /* recalculate basic rates */ iwl_calc_basic_rates(priv, ctx); - /* - * force CTS-to-self frames protection if RTS-CTS is not preferred - * one aggregation protection method - */ - if (!priv->hw_params.use_rts_for_aggregation) - ctx->staging.flags |= RXON_FLG_SELF_CTS_EN; - if ((ctx->vif && ctx->vif->bss_conf.use_short_slot) || !(ctx->staging.flags & RXON_FLG_BAND_24G_MSK)) ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK; @@ -1480,11 +1473,6 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, else ctx->staging.flags &= ~RXON_FLG_TGG_PROTECT_MSK; - if (bss_conf->use_cts_prot) - ctx->staging.flags |= RXON_FLG_SELF_CTS_EN; - else - ctx->staging.flags &= ~RXON_FLG_SELF_CTS_EN; - memcpy(ctx->staging.bssid_addr, bss_conf->bssid, ETH_ALEN); if (vif->type == NL80211_IFTYPE_AP || diff --git a/drivers/net/wireless/iwlwifi/iwl-fw.h b/drivers/net/wireless/iwlwifi/iwl-fw.h index 0aa7c0085c9f..b1a33322b9ba 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fw.h +++ b/drivers/net/wireless/iwlwifi/iwl-fw.h @@ -88,6 +88,7 @@ * P2P client interfaces simultaneously if they are in different bindings. * @IWL_UCODE_TLV_FLAGS_P2P_BSS_PS_SCM: support power save on BSS station and * P2P client interfaces simultaneously if they are in same bindings. + * @IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT: General support for uAPSD * @IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD: P2P client supports uAPSD power save * @IWL_UCODE_TLV_FLAGS_BCAST_FILTERING: uCode supports broadcast filtering. * @IWL_UCODE_TLV_FLAGS_GO_UAPSD: AP/GO interfaces support uAPSD clients diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c index 8b5302777632..8b79081d4885 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c @@ -667,10 +667,9 @@ static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm, if (vif->bss_conf.qos) cmd->qos_flags |= cpu_to_le32(MAC_QOS_FLG_UPDATE_EDCA); - if (vif->bss_conf.use_cts_prot) { + if (vif->bss_conf.use_cts_prot) cmd->protection_flags |= cpu_to_le32(MAC_PROT_FLG_TGG_PROTECT); - cmd->protection_flags |= cpu_to_le32(MAC_PROT_FLG_SELF_CTS_EN); - } + IWL_DEBUG_RATE(mvm, "use_cts_prot %d, ht_operation_mode %d\n", vif->bss_conf.use_cts_prot, vif->bss_conf.ht_operation_mode); @@ -1073,8 +1072,12 @@ static int iwl_mvm_mac_ctxt_cmd_ap(struct iwl_mvm *mvm, /* Fill the common data for all mac context types */ iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action); - /* Also enable probe requests to pass */ - cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST); + /* + * pass probe requests and beacons from other APs (needed + * for ht protection) + */ + cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST | + MAC_FILTER_IN_BEACON); /* Fill the data specific for ap mode */ iwl_mvm_mac_ctxt_cmd_fill_ap(mvm, vif, &cmd.ap, @@ -1095,6 +1098,13 @@ static int iwl_mvm_mac_ctxt_cmd_go(struct iwl_mvm *mvm, /* Fill the common data for all mac context types */ iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action); + /* + * pass probe requests and beacons from other APs (needed + * for ht protection) + */ + cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST | + MAC_FILTER_IN_BEACON); + /* Fill the data specific for GO mode */ iwl_mvm_mac_ctxt_cmd_fill_ap(mvm, vif, &cmd.go.ap, action == FW_CTXT_ACTION_ADD); diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 7215f5980186..98556d03c1ed 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -1159,8 +1159,12 @@ static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac, bcast_mac = &cmd->macs[mvmvif->id]; - /* enable filtering only for associated stations */ - if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc) + /* + * enable filtering only for associated stations, but not for P2P + * Clients + */ + if (vif->type != NL80211_IFTYPE_STATION || vif->p2p || + !vif->bss_conf.assoc) return; bcast_mac->default_discard = 1; @@ -1237,10 +1241,6 @@ static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm, if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING)) return 0; - /* bcast filtering isn't supported for P2P client */ - if (vif->p2p) - return 0; - if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) return 0; diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 4b6c7d4bd199..eac2b424f6a0 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -588,9 +588,7 @@ static void iwl_build_scan_cmd(struct iwl_mvm *mvm, struct iwl_scan_offload_cmd *scan, struct iwl_mvm_scan_params *params) { - scan->channel_count = - mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels + - mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels; + scan->channel_count = req->n_channels; scan->quiet_time = cpu_to_le16(IWL_ACTIVE_QUIET_TIME); scan->quiet_plcp_th = cpu_to_le16(IWL_PLCP_QUIET_THRESH); scan->good_CRC_th = IWL_GOOD_CRC_TH_DEFAULT; @@ -669,61 +667,37 @@ static void iwl_build_channel_cfg(struct iwl_mvm *mvm, struct cfg80211_sched_scan_request *req, struct iwl_scan_channel_cfg *channels, enum ieee80211_band band, - int *head, int *tail, + int *head, u32 ssid_bitmap, struct iwl_mvm_scan_params *params) { - struct ieee80211_supported_band *s_band; - int n_channels = req->n_channels; - int i, j, index = 0; - bool partial; + int i, index = 0; - /* - * We have to configure all supported channels, even if we don't want to - * scan on them, but we have to send channels in the order that we want - * to scan. So add requested channels to head of the list and others to - * the end. - */ - s_band = &mvm->nvm_data->bands[band]; - - for (i = 0; i < s_band->n_channels && *head <= *tail; i++) { - partial = false; - for (j = 0; j < n_channels; j++) - if (s_band->channels[i].center_freq == - req->channels[j]->center_freq) { - index = *head; - (*head)++; - /* - * Channels that came with the request will be - * in partial scan . - */ - partial = true; - break; - } - if (!partial) { - index = *tail; - (*tail)--; - } - channels->channel_number[index] = - cpu_to_le16(ieee80211_frequency_to_channel( - s_band->channels[i].center_freq)); + for (i = 0; i < req->n_channels; i++) { + struct ieee80211_channel *chan = req->channels[i]; + + if (chan->band != band) + continue; + + index = *head; + (*head)++; + + channels->channel_number[index] = cpu_to_le16(chan->hw_value); channels->dwell_time[index][0] = params->dwell[band].active; channels->dwell_time[index][1] = params->dwell[band].passive; channels->iter_count[index] = cpu_to_le16(1); channels->iter_interval[index] = 0; - if (!(s_band->channels[i].flags & IEEE80211_CHAN_NO_IR)) + if (!(chan->flags & IEEE80211_CHAN_NO_IR)) channels->type[index] |= cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_ACTIVE); channels->type[index] |= - cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_FULL); - if (partial) - channels->type[index] |= - cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_PARTIAL); + cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_FULL | + IWL_SCAN_OFFLOAD_CHANNEL_PARTIAL); - if (s_band->channels[i].flags & IEEE80211_CHAN_NO_HT40) + if (chan->flags & IEEE80211_CHAN_NO_HT40) channels->type[index] |= cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_NARROW); @@ -740,7 +714,6 @@ int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm, int band_2ghz = mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels; int band_5ghz = mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels; int head = 0; - int tail = band_2ghz + band_5ghz - 1; u32 ssid_bitmap; int cmd_len; int ret; @@ -772,7 +745,7 @@ int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm, &scan_cfg->scan_cmd.tx_cmd[0], scan_cfg->data); iwl_build_channel_cfg(mvm, req, &scan_cfg->channel_cfg, - IEEE80211_BAND_2GHZ, &head, &tail, + IEEE80211_BAND_2GHZ, &head, ssid_bitmap, ¶ms); } if (band_5ghz) { @@ -782,7 +755,7 @@ int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm, scan_cfg->data + SCAN_OFFLOAD_PROBE_REQ_SIZE); iwl_build_channel_cfg(mvm, req, &scan_cfg->channel_cfg, - IEEE80211_BAND_5GHZ, &head, &tail, + IEEE80211_BAND_5GHZ, &head, ssid_bitmap, ¶ms); } diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index 7091a18d5a72..98950e45c7b0 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -367,6 +367,7 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x095A, 0x5012, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5412, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5410, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x5510, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5400, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x1010, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5000, iwl7265_2n_cfg)}, @@ -380,7 +381,7 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x095A, 0x9110, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9112, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9210, iwl7265_2ac_cfg)}, - {IWL_PCI_DEVICE(0x095A, 0x9200, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095B, 0x9200, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9510, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9310, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9410, iwl7265_2ac_cfg)}, diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c index 5b32106182f8..fe0f66f73507 100644 --- a/drivers/net/wireless/mwifiex/11n_aggr.c +++ b/drivers/net/wireless/mwifiex/11n_aggr.c @@ -185,6 +185,7 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, skb_reserve(skb_aggr, headroom + sizeof(struct txpd)); tx_info_aggr = MWIFIEX_SKB_TXCB(skb_aggr); + memset(tx_info_aggr, 0, sizeof(*tx_info_aggr)); tx_info_aggr->bss_type = tx_info_src->bss_type; tx_info_aggr->bss_num = tx_info_src->bss_num; diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index e95dec91a561..b511613bba2d 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -220,6 +220,7 @@ mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, } tx_info = MWIFIEX_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); tx_info->bss_num = priv->bss_num; tx_info->bss_type = priv->bss_type; tx_info->pkt_len = pkt_len; diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c index 8dee6c86f4f1..c161141f6c39 100644 --- a/drivers/net/wireless/mwifiex/cmdevt.c +++ b/drivers/net/wireless/mwifiex/cmdevt.c @@ -453,6 +453,7 @@ int mwifiex_process_event(struct mwifiex_adapter *adapter) if (skb) { rx_info = MWIFIEX_SKB_RXCB(skb); + memset(rx_info, 0, sizeof(*rx_info)); rx_info->bss_num = priv->bss_num; rx_info->bss_type = priv->bss_type; } diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index cbabc12fbda3..e91cd0fa5ca8 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -645,6 +645,7 @@ mwifiex_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) } tx_info = MWIFIEX_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); tx_info->bss_num = priv->bss_num; tx_info->bss_type = priv->bss_type; tx_info->pkt_len = skb->len; diff --git a/drivers/net/wireless/mwifiex/sta_tx.c b/drivers/net/wireless/mwifiex/sta_tx.c index 5fce7e78a36e..70eb863c7249 100644 --- a/drivers/net/wireless/mwifiex/sta_tx.c +++ b/drivers/net/wireless/mwifiex/sta_tx.c @@ -150,6 +150,7 @@ int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags) return -1; tx_info = MWIFIEX_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); tx_info->bss_num = priv->bss_num; tx_info->bss_type = priv->bss_type; tx_info->pkt_len = data_len - (sizeof(struct txpd) + INTF_HEADER_LEN); diff --git a/drivers/net/wireless/mwifiex/tdls.c b/drivers/net/wireless/mwifiex/tdls.c index e73034fbbde9..0e88364e0c67 100644 --- a/drivers/net/wireless/mwifiex/tdls.c +++ b/drivers/net/wireless/mwifiex/tdls.c @@ -605,6 +605,7 @@ int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv, const u8 *peer, } tx_info = MWIFIEX_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); tx_info->bss_num = priv->bss_num; tx_info->bss_type = priv->bss_type; @@ -760,6 +761,7 @@ int mwifiex_send_tdls_action_frame(struct mwifiex_private *priv, const u8 *peer, skb->priority = MWIFIEX_PRIO_VI; tx_info = MWIFIEX_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); tx_info->bss_num = priv->bss_num; tx_info->bss_type = priv->bss_type; tx_info->flags |= MWIFIEX_BUF_FLAG_TDLS_PKT; diff --git a/drivers/net/wireless/mwifiex/txrx.c b/drivers/net/wireless/mwifiex/txrx.c index 37f26afd4314..fd7e5b9b4581 100644 --- a/drivers/net/wireless/mwifiex/txrx.c +++ b/drivers/net/wireless/mwifiex/txrx.c @@ -55,6 +55,7 @@ int mwifiex_handle_rx_packet(struct mwifiex_adapter *adapter, return -1; } + memset(rx_info, 0, sizeof(*rx_info)); rx_info->bss_num = priv->bss_num; rx_info->bss_type = priv->bss_type; diff --git a/drivers/net/wireless/mwifiex/uap_txrx.c b/drivers/net/wireless/mwifiex/uap_txrx.c index 9a56bc61cb1d..b0601b91cc4f 100644 --- a/drivers/net/wireless/mwifiex/uap_txrx.c +++ b/drivers/net/wireless/mwifiex/uap_txrx.c @@ -175,6 +175,7 @@ static void mwifiex_uap_queue_bridged_pkt(struct mwifiex_private *priv, } tx_info = MWIFIEX_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); tx_info->bss_num = priv->bss_num; tx_info->bss_type = priv->bss_type; tx_info->flags |= MWIFIEX_BUF_FLAG_BRIDGED_PKT; diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index e11dab2216c6..832006b5aab1 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -231,9 +231,12 @@ static enum hrtimer_restart rt2800usb_tx_sta_fifo_timeout(struct hrtimer *timer) */ static int rt2800usb_autorun_detect(struct rt2x00_dev *rt2x00dev) { - __le32 reg; + __le32 *reg; u32 fw_mode; + reg = kmalloc(sizeof(*reg), GFP_KERNEL); + if (reg == NULL) + return -ENOMEM; /* cannot use rt2x00usb_register_read here as it uses different * mode (MULTI_READ vs. DEVICE_MODE) and does not pass the * magic value USB_MODE_AUTORUN (0x11) to the device, thus the @@ -241,8 +244,9 @@ static int rt2800usb_autorun_detect(struct rt2x00_dev *rt2x00dev) */ rt2x00usb_vendor_request(rt2x00dev, USB_DEVICE_MODE, USB_VENDOR_REQUEST_IN, 0, USB_MODE_AUTORUN, - ®, sizeof(reg), REGISTER_TIMEOUT_FIRMWARE); - fw_mode = le32_to_cpu(reg); + reg, sizeof(*reg), REGISTER_TIMEOUT_FIRMWARE); + fw_mode = le32_to_cpu(*reg); + kfree(reg); if ((fw_mode & 0x00000003) == 2) return 1; @@ -261,6 +265,7 @@ static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev, int status; u32 offset; u32 length; + int retval; /* * Check which section of the firmware we need. @@ -278,7 +283,10 @@ static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev, /* * Write firmware to device. */ - if (rt2800usb_autorun_detect(rt2x00dev)) { + retval = rt2800usb_autorun_detect(rt2x00dev); + if (retval < 0) + return retval; + if (retval) { rt2x00_info(rt2x00dev, "Firmware loading not required - NIC in AutoRun mode\n"); } else { @@ -763,7 +771,12 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry, */ static int rt2800usb_efuse_detect(struct rt2x00_dev *rt2x00dev) { - if (rt2800usb_autorun_detect(rt2x00dev)) + int retval; + + retval = rt2800usb_autorun_detect(rt2x00dev); + if (retval < 0) + return retval; + if (retval) return 1; return rt2800_efuse_detect(rt2x00dev); } @@ -772,7 +785,10 @@ static int rt2800usb_read_eeprom(struct rt2x00_dev *rt2x00dev) { int retval; - if (rt2800usb_efuse_detect(rt2x00dev)) + retval = rt2800usb_efuse_detect(rt2x00dev); + if (retval < 0) + return retval; + if (retval) retval = rt2800_read_eeprom_efuse(rt2x00dev); else retval = rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 1844a47636b6..c65b636bcab9 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -1030,14 +1030,21 @@ static int xenvif_tx_check_gop(struct xenvif_queue *queue, { struct gnttab_map_grant_ref *gop_map = *gopp_map; u16 pending_idx = XENVIF_TX_CB(skb)->pending_idx; + /* This always points to the shinfo of the skb being checked, which + * could be either the first or the one on the frag_list + */ struct skb_shared_info *shinfo = skb_shinfo(skb); + /* If this is non-NULL, we are currently checking the frag_list skb, and + * this points to the shinfo of the first one + */ + struct skb_shared_info *first_shinfo = NULL; int nr_frags = shinfo->nr_frags; + const bool sharedslot = nr_frags && + frag_get_pending_idx(&shinfo->frags[0]) == pending_idx; int i, err; - struct sk_buff *first_skb = NULL; /* Check status of header. */ err = (*gopp_copy)->status; - (*gopp_copy)++; if (unlikely(err)) { if (net_ratelimit()) netdev_dbg(queue->vif->dev, @@ -1045,8 +1052,12 @@ static int xenvif_tx_check_gop(struct xenvif_queue *queue, (*gopp_copy)->status, pending_idx, (*gopp_copy)->source.u.ref); - xenvif_idx_release(queue, pending_idx, XEN_NETIF_RSP_ERROR); + /* The first frag might still have this slot mapped */ + if (!sharedslot) + xenvif_idx_release(queue, pending_idx, + XEN_NETIF_RSP_ERROR); } + (*gopp_copy)++; check_frags: for (i = 0; i < nr_frags; i++, gop_map++) { @@ -1062,8 +1073,19 @@ check_frags: pending_idx, gop_map->handle); /* Had a previous error? Invalidate this fragment. */ - if (unlikely(err)) + if (unlikely(err)) { xenvif_idx_unmap(queue, pending_idx); + /* If the mapping of the first frag was OK, but + * the header's copy failed, and they are + * sharing a slot, send an error + */ + if (i == 0 && sharedslot) + xenvif_idx_release(queue, pending_idx, + XEN_NETIF_RSP_ERROR); + else + xenvif_idx_release(queue, pending_idx, + XEN_NETIF_RSP_OKAY); + } continue; } @@ -1075,42 +1097,53 @@ check_frags: gop_map->status, pending_idx, gop_map->ref); + xenvif_idx_release(queue, pending_idx, XEN_NETIF_RSP_ERROR); /* Not the first error? Preceding frags already invalidated. */ if (err) continue; - /* First error: invalidate preceding fragments. */ + + /* First error: if the header haven't shared a slot with the + * first frag, release it as well. + */ + if (!sharedslot) + xenvif_idx_release(queue, + XENVIF_TX_CB(skb)->pending_idx, + XEN_NETIF_RSP_OKAY); + + /* Invalidate preceding fragments of this skb. */ for (j = 0; j < i; j++) { pending_idx = frag_get_pending_idx(&shinfo->frags[j]); xenvif_idx_unmap(queue, pending_idx); + xenvif_idx_release(queue, pending_idx, + XEN_NETIF_RSP_OKAY); + } + + /* And if we found the error while checking the frag_list, unmap + * the first skb's frags + */ + if (first_shinfo) { + for (j = 0; j < first_shinfo->nr_frags; j++) { + pending_idx = frag_get_pending_idx(&first_shinfo->frags[j]); + xenvif_idx_unmap(queue, pending_idx); + xenvif_idx_release(queue, pending_idx, + XEN_NETIF_RSP_OKAY); + } } /* Remember the error: invalidate all subsequent fragments. */ err = newerr; } - if (skb_has_frag_list(skb)) { - first_skb = skb; - skb = shinfo->frag_list; - shinfo = skb_shinfo(skb); + if (skb_has_frag_list(skb) && !first_shinfo) { + first_shinfo = skb_shinfo(skb); + shinfo = skb_shinfo(skb_shinfo(skb)->frag_list); nr_frags = shinfo->nr_frags; goto check_frags; } - /* There was a mapping error in the frag_list skb. We have to unmap - * the first skb's frags - */ - if (first_skb && err) { - int j; - shinfo = skb_shinfo(first_skb); - for (j = 0; j < shinfo->nr_frags; j++) { - pending_idx = frag_get_pending_idx(&shinfo->frags[j]); - xenvif_idx_unmap(queue, pending_idx); - } - } - *gopp_map = gop_map; return err; } @@ -1518,7 +1551,16 @@ static int xenvif_tx_submit(struct xenvif_queue *queue) /* Check the remap error code. */ if (unlikely(xenvif_tx_check_gop(queue, skb, &gop_map, &gop_copy))) { + /* If there was an error, xenvif_tx_check_gop is + * expected to release all the frags which were mapped, + * so kfree_skb shouldn't do it again + */ skb_shinfo(skb)->nr_frags = 0; + if (skb_has_frag_list(skb)) { + struct sk_buff *nskb = + skb_shinfo(skb)->frag_list; + skb_shinfo(nskb)->nr_frags = 0; + } kfree_skb(skb); continue; } @@ -1822,8 +1864,6 @@ void xenvif_idx_unmap(struct xenvif_queue *queue, u16 pending_idx) tx_unmap_op.status); BUG(); } - - xenvif_idx_release(queue, pending_idx, XEN_NETIF_RSP_OKAY); } static inline int rx_work_todo(struct xenvif_queue *queue) diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 2ccb4a02368b..055222bae6e4 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -1439,16 +1439,11 @@ static void xennet_disconnect_backend(struct netfront_info *info) unsigned int i = 0; unsigned int num_queues = info->netdev->real_num_tx_queues; + netif_carrier_off(info->netdev); + for (i = 0; i < num_queues; ++i) { struct netfront_queue *queue = &info->queues[i]; - /* Stop old i/f to prevent errors whilst we rebuild the state. */ - spin_lock_bh(&queue->rx_lock); - spin_lock_irq(&queue->tx_lock); - netif_carrier_off(queue->info->netdev); - spin_unlock_irq(&queue->tx_lock); - spin_unlock_bh(&queue->rx_lock); - if (queue->tx_irq && (queue->tx_irq == queue->rx_irq)) unbind_from_irqhandler(queue->tx_irq, queue); if (queue->tx_irq && (queue->tx_irq != queue->rx_irq)) { @@ -1458,6 +1453,8 @@ static void xennet_disconnect_backend(struct netfront_info *info) queue->tx_evtchn = queue->rx_evtchn = 0; queue->tx_irq = queue->rx_irq = 0; + napi_synchronize(&queue->napi); + /* End access and free the pages */ xennet_end_access(queue->tx_ring_ref, queue->tx.sring); xennet_end_access(queue->rx_ring_ref, queue->rx.sring); @@ -2046,13 +2043,15 @@ static int xennet_connect(struct net_device *dev) /* By now, the queue structures have been set up */ for (j = 0; j < num_queues; ++j) { queue = &np->queues[j]; - spin_lock_bh(&queue->rx_lock); - spin_lock_irq(&queue->tx_lock); /* Step 1: Discard all pending TX packet fragments. */ + spin_lock_irq(&queue->tx_lock); xennet_release_tx_bufs(queue); + spin_unlock_irq(&queue->tx_lock); /* Step 2: Rebuild the RX buffer freelist and the RX ring itself. */ + spin_lock_bh(&queue->rx_lock); + for (requeue_idx = 0, i = 0; i < NET_RX_RING_SIZE; i++) { skb_frag_t *frag; const struct page *page; @@ -2076,6 +2075,8 @@ static int xennet_connect(struct net_device *dev) } queue->rx.req_prod_pvt = requeue_idx; + + spin_unlock_bh(&queue->rx_lock); } /* @@ -2087,13 +2088,17 @@ static int xennet_connect(struct net_device *dev) netif_carrier_on(np->netdev); for (j = 0; j < num_queues; ++j) { queue = &np->queues[j]; + notify_remote_via_irq(queue->tx_irq); if (queue->tx_irq != queue->rx_irq) notify_remote_via_irq(queue->rx_irq); - xennet_tx_buf_gc(queue); - xennet_alloc_rx_buffers(queue); + spin_lock_irq(&queue->tx_lock); + xennet_tx_buf_gc(queue); spin_unlock_irq(&queue->tx_lock); + + spin_lock_bh(&queue->rx_lock); + xennet_alloc_rx_buffers(queue); spin_unlock_bh(&queue->rx_lock); } diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index b777d8f46bd5..9aa012e6ea0a 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -26,6 +26,54 @@ #include <asm/setup.h> /* for COMMAND_LINE_SIZE */ #include <asm/page.h> +/* + * of_fdt_limit_memory - limit the number of regions in the /memory node + * @limit: maximum entries + * + * Adjust the flattened device tree to have at most 'limit' number of + * memory entries in the /memory node. This function may be called + * any time after initial_boot_param is set. + */ +void of_fdt_limit_memory(int limit) +{ + int memory; + int len; + const void *val; + int nr_address_cells = OF_ROOT_NODE_ADDR_CELLS_DEFAULT; + int nr_size_cells = OF_ROOT_NODE_SIZE_CELLS_DEFAULT; + const uint32_t *addr_prop; + const uint32_t *size_prop; + int root_offset; + int cell_size; + + root_offset = fdt_path_offset(initial_boot_params, "/"); + if (root_offset < 0) + return; + + addr_prop = fdt_getprop(initial_boot_params, root_offset, + "#address-cells", NULL); + if (addr_prop) + nr_address_cells = fdt32_to_cpu(*addr_prop); + + size_prop = fdt_getprop(initial_boot_params, root_offset, + "#size-cells", NULL); + if (size_prop) + nr_size_cells = fdt32_to_cpu(*size_prop); + + cell_size = sizeof(uint32_t)*(nr_address_cells + nr_size_cells); + + memory = fdt_path_offset(initial_boot_params, "/memory"); + if (memory > 0) { + val = fdt_getprop(initial_boot_params, memory, "reg", &len); + if (len > limit*cell_size) { + len = limit*cell_size; + pr_debug("Limiting number of entries to %d\n", limit); + fdt_setprop(initial_boot_params, memory, "reg", val, + len); + } + } +} + /** * of_fdt_is_compatible - Return true if given node from the given blob has * compat in its compatible list @@ -937,7 +985,7 @@ int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base, } #endif -bool __init early_init_dt_scan(void *params) +bool __init early_init_dt_verify(void *params) { if (!params) return false; @@ -951,6 +999,12 @@ bool __init early_init_dt_scan(void *params) return false; } + return true; +} + + +void __init early_init_dt_scan_nodes(void) +{ /* Retrieve various information from the /chosen node */ of_scan_flat_dt(early_init_dt_scan_chosen, boot_command_line); @@ -959,7 +1013,17 @@ bool __init early_init_dt_scan(void *params) /* Setup memory, calling early_init_dt_add_memory_arch */ of_scan_flat_dt(early_init_dt_scan_memory, NULL); +} + +bool __init early_init_dt_scan(void *params) +{ + bool status; + + status = early_init_dt_verify(params); + if (!status) + return false; + early_init_dt_scan_nodes(); return true; } diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index a3bf2122a8d5..401b2453da45 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -182,40 +182,6 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) } EXPORT_SYMBOL(of_mdiobus_register); -/** - * of_mdiobus_link_phydev - Find a device node for a phy - * @mdio: pointer to mii_bus structure - * @phydev: phydev for which the of_node pointer should be set - * - * Walk the list of subnodes of a mdio bus and look for a node that matches the - * phy's address with its 'reg' property. If found, set the of_node pointer for - * the phy. This allows auto-probed pyh devices to be supplied with information - * passed in via DT. - */ -void of_mdiobus_link_phydev(struct mii_bus *mdio, - struct phy_device *phydev) -{ - struct device *dev = &phydev->dev; - struct device_node *child; - - if (dev->of_node || !mdio->dev.of_node) - return; - - for_each_available_child_of_node(mdio->dev.of_node, child) { - int addr; - - addr = of_mdio_parse_addr(&mdio->dev, child); - if (addr < 0) - continue; - - if (addr == phydev->addr) { - dev->of_node = child; - return; - } - } -} -EXPORT_SYMBOL(of_mdiobus_link_phydev); - /* Helper function for of_phy_find_device */ static int of_phy_match(struct device *dev, void *phy_np) { diff --git a/drivers/parport/Kconfig b/drivers/parport/Kconfig index 2872ece81f35..44333bd8f908 100644 --- a/drivers/parport/Kconfig +++ b/drivers/parport/Kconfig @@ -5,6 +5,12 @@ # Parport configuration. # +config ARCH_MIGHT_HAVE_PC_PARPORT + bool + help + Select this config option from the architecture Kconfig if + the architecture might have PC parallel port hardware. + menuconfig PARPORT tristate "Parallel port support" depends on HAS_IOMEM @@ -31,12 +37,6 @@ menuconfig PARPORT If unsure, say Y. -config ARCH_MIGHT_HAVE_PC_PARPORT - bool - help - Select this config option from the architecture Kconfig if - the architecture might have PC parallel port hardware. - if PARPORT config PARPORT_PC diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c index 1bd6363bc95e..9f43916637ca 100644 --- a/drivers/pinctrl/pinctrl-st.c +++ b/drivers/pinctrl/pinctrl-st.c @@ -1431,7 +1431,7 @@ static void st_gpio_irqmux_handler(unsigned irq, struct irq_desc *desc) status = readl(info->irqmux_base); - for_each_set_bit(n, &status, ST_GPIO_PINS_PER_BANK) + for_each_set_bit(n, &status, info->nbanks) __gpio_irq_handler(&info->banks[n]); chained_irq_exit(chip, desc); diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c index b81448b2c75d..a5c6cb773e5f 100644 --- a/drivers/pnp/pnpacpi/core.c +++ b/drivers/pnp/pnpacpi/core.c @@ -319,8 +319,7 @@ static int __init acpi_pnp_match(struct device *dev, void *_pnp) struct pnp_dev *pnp = _pnp; /* true means it matched */ - return !acpi->physical_node_count - && compare_pnp_id(pnp->id, acpi_device_hid(acpi)); + return pnp->data == acpi; } static struct acpi_device * __init acpi_pnp_find_companion(struct device *dev) diff --git a/drivers/rapidio/devices/tsi721_dma.c b/drivers/rapidio/devices/tsi721_dma.c index 9b60b1f3261c..44341dc5b148 100644 --- a/drivers/rapidio/devices/tsi721_dma.c +++ b/drivers/rapidio/devices/tsi721_dma.c @@ -287,6 +287,12 @@ struct tsi721_tx_desc *tsi721_desc_get(struct tsi721_bdma_chan *bdma_chan) "desc %p not ACKed\n", tx_desc); } + if (ret == NULL) { + dev_dbg(bdma_chan->dchan.device->dev, + "%s: unable to obtain tx descriptor\n", __func__); + goto err_out; + } + i = bdma_chan->wr_count_next % bdma_chan->bd_num; if (i == bdma_chan->bd_num - 1) { i = 0; @@ -297,7 +303,7 @@ struct tsi721_tx_desc *tsi721_desc_get(struct tsi721_bdma_chan *bdma_chan) tx_desc->txd.phys = bdma_chan->bd_phys + i * sizeof(struct tsi721_dma_desc); tx_desc->hw_desc = &((struct tsi721_dma_desc *)bdma_chan->bd_base)[i]; - +err_out: spin_unlock_bh(&bdma_chan->lock); return ret; diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c index 15b3459f8656..220acb4cbee5 100644 --- a/drivers/s390/char/raw3270.c +++ b/drivers/s390/char/raw3270.c @@ -633,7 +633,6 @@ raw3270_reset_device_cb(struct raw3270_request *rq, void *data) } else raw3270_writesf_readpart(rp); memset(&rp->init_reset, 0, sizeof(rp->init_reset)); - memset(&rp->init_data, 0, sizeof(rp->init_data)); } static int diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 69ef4f8cfac8..4038437ff033 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -901,10 +901,15 @@ static int ap_device_probe(struct device *dev) int rc; ap_dev->drv = ap_drv; + + spin_lock_bh(&ap_device_list_lock); + list_add(&ap_dev->list, &ap_device_list); + spin_unlock_bh(&ap_device_list_lock); + rc = ap_drv->probe ? ap_drv->probe(ap_dev) : -ENODEV; - if (!rc) { + if (rc) { spin_lock_bh(&ap_device_list_lock); - list_add(&ap_dev->list, &ap_device_list); + list_del_init(&ap_dev->list); spin_unlock_bh(&ap_device_list_lock); } return rc; diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index f7e316368c99..3f50dfcb3227 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -733,6 +733,14 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) scsi_next_command(cmd); return; } + } else if (blk_rq_bytes(req) == 0 && result && !sense_deferred) { + /* + * Certain non BLOCK_PC requests are commands that don't + * actually transfer anything (FLUSH), so cannot use + * good_bytes != blk_rq_bytes(req) as the signal for an error. + * This sets the error explicitly for the problem case. + */ + error = __scsi_error_from_host_byte(cmd, result); } /* no bidi support for !REQ_TYPE_BLOCK_PC yet */ diff --git a/drivers/staging/media/omap4iss/Kconfig b/drivers/staging/media/omap4iss/Kconfig index 78b0fba7047e..8afc6fee40c5 100644 --- a/drivers/staging/media/omap4iss/Kconfig +++ b/drivers/staging/media/omap4iss/Kconfig @@ -1,6 +1,6 @@ config VIDEO_OMAP4 bool "OMAP 4 Camera support" - depends on VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API && I2C && ARCH_OMAP4 + depends on VIDEO_V4L2=y && VIDEO_V4L2_SUBDEV_API && I2C=y && ARCH_OMAP4 select VIDEOBUF2_DMA_CONTIG ---help--- Driver for an OMAP 4 ISS controller. diff --git a/drivers/staging/rtl8723au/os_dep/usb_intf.c b/drivers/staging/rtl8723au/os_dep/usb_intf.c index 8b25c1aa2025..ebb19b22f47f 100644 --- a/drivers/staging/rtl8723au/os_dep/usb_intf.c +++ b/drivers/staging/rtl8723au/os_dep/usb_intf.c @@ -530,8 +530,10 @@ int rtw_resume_process23a(struct rtw_adapter *padapter) pwrpriv->bkeepfwalive = false; DBG_8723A("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive); - if (pm_netdev_open23a(pnetdev, true) != 0) + if (pm_netdev_open23a(pnetdev, true) != 0) { + up(&pwrpriv->lock); goto exit; + } netif_device_attach(pnetdev); netif_carrier_on(pnetdev); diff --git a/drivers/staging/vt6655/bssdb.c b/drivers/staging/vt6655/bssdb.c index 59679cd46816..69b80e80b011 100644 --- a/drivers/staging/vt6655/bssdb.c +++ b/drivers/staging/vt6655/bssdb.c @@ -981,7 +981,7 @@ start: pDevice->byERPFlag &= ~(WLAN_SET_ERP_USE_PROTECTION(1)); } - { + if (pDevice->eCommandState == WLAN_ASSOCIATE_WAIT) { pDevice->byReAssocCount++; /* 10 sec timeout */ if ((pDevice->byReAssocCount > 10) && (!pDevice->bLinkPass)) { diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index 1d3908d044d0..5a5fd937a442 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -2318,6 +2318,7 @@ static irqreturn_t device_intr(int irq, void *dev_instance) { int handled = 0; unsigned char byData = 0; int ii = 0; + unsigned long flags; MACvReadISR(pDevice->PortOffset, &pDevice->dwIsr); @@ -2331,7 +2332,8 @@ static irqreturn_t device_intr(int irq, void *dev_instance) { handled = 1; MACvIntDisable(pDevice->PortOffset); - spin_lock_irq(&pDevice->lock); + + spin_lock_irqsave(&pDevice->lock, flags); //Make sure current page is 0 VNSvInPortB(pDevice->PortOffset + MAC_REG_PAGE1SEL, &byOrgPageSel); @@ -2560,7 +2562,8 @@ static irqreturn_t device_intr(int irq, void *dev_instance) { if (byOrgPageSel == 1) MACvSelectPage1(pDevice->PortOffset); - spin_unlock_irq(&pDevice->lock); + spin_unlock_irqrestore(&pDevice->lock, flags); + MACvIntEnable(pDevice->PortOffset, IMR_MASK_VALUE); return IRQ_RETVAL(handled); diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 9d2b673f90e3..b8125aa64ad8 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1169,8 +1169,8 @@ static int ep_enable(struct usb_ep *ep, if (hwep->type == USB_ENDPOINT_XFER_CONTROL) cap |= QH_IOS; - if (hwep->num) - cap |= QH_ZLT; + + cap |= QH_ZLT; cap |= (hwep->ep.maxpacket << __ffs(QH_MAX_PKT)) & QH_MAX_PKT; /* * For ISO-TX, we set mult at QH as the largest value, and use diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 21b99b4b4082..0e950ad8cb25 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -889,6 +889,25 @@ static int hub_usb3_port_disable(struct usb_hub *hub, int port1) if (!hub_is_superspeed(hub->hdev)) return -EINVAL; + ret = hub_port_status(hub, port1, &portstatus, &portchange); + if (ret < 0) + return ret; + + /* + * USB controller Advanced Micro Devices, Inc. [AMD] FCH USB XHCI + * Controller [1022:7814] will have spurious result making the following + * usb 3.0 device hotplugging route to the 2.0 root hub and recognized + * as high-speed device if we set the usb 3.0 port link state to + * Disabled. Since it's already in USB_SS_PORT_LS_RX_DETECT state, we + * check the state here to avoid the bug. + */ + if ((portstatus & USB_PORT_STAT_LINK_STATE) == + USB_SS_PORT_LS_RX_DETECT) { + dev_dbg(&hub->ports[port1 - 1]->dev, + "Not disabling port; link state is RxDetect\n"); + return ret; + } + ret = hub_set_port_link_state(hub, port1, USB_SS_PORT_LS_SS_DISABLED); if (ret) return ret; diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index b7a506f2bb14..5c660c77f03b 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -426,20 +426,18 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp) * p2m are consistent. */ if (!xen_feature(XENFEAT_auto_translated_physmap)) { - unsigned long p; - struct page *scratch_page = get_balloon_scratch_page(); - if (!PageHighMem(page)) { + struct page *scratch_page = get_balloon_scratch_page(); + ret = HYPERVISOR_update_va_mapping( (unsigned long)__va(pfn << PAGE_SHIFT), pfn_pte(page_to_pfn(scratch_page), PAGE_KERNEL_RO), 0); BUG_ON(ret); - } - p = page_to_pfn(scratch_page); - __set_phys_to_machine(pfn, pfn_to_mfn(p)); - put_balloon_scratch_page(); + put_balloon_scratch_page(); + } + __set_phys_to_machine(pfn, INVALID_P2M_ENTRY); } #endif diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c index 5d4de88fe5b8..eeba7544f0cd 100644 --- a/drivers/xen/grant-table.c +++ b/drivers/xen/grant-table.c @@ -1195,18 +1195,20 @@ static int gnttab_expand(unsigned int req_entries) int gnttab_init(void) { int i; + unsigned long max_nr_grant_frames; unsigned int max_nr_glist_frames, nr_glist_frames; unsigned int nr_init_grefs; int ret; gnttab_request_version(); + max_nr_grant_frames = gnttab_max_grant_frames(); nr_grant_frames = 1; /* Determine the maximum number of frames required for the * grant reference free list on the current hypervisor. */ BUG_ON(grefs_per_grant_frame == 0); - max_nr_glist_frames = (gnttab_max_grant_frames() * + max_nr_glist_frames = (max_nr_grant_frames * grefs_per_grant_frame / RPP); gnttab_list = kmalloc(max_nr_glist_frames * sizeof(grant_ref_t *), @@ -1223,6 +1225,11 @@ int gnttab_init(void) } } + ret = arch_gnttab_init(max_nr_grant_frames, + nr_status_frames(max_nr_grant_frames)); + if (ret < 0) + goto ini_nomem; + if (gnttab_setup() < 0) { ret = -ENODEV; goto ini_nomem; diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c index c3667b202f2f..5f1e1f3cd186 100644 --- a/drivers/xen/manage.c +++ b/drivers/xen/manage.c @@ -88,7 +88,6 @@ static int xen_suspend(void *data) if (!si->cancelled) { xen_irq_resume(); - xen_console_resume(); xen_timer_resume(); } @@ -135,6 +134,10 @@ static void do_suspend(void) err = stop_machine(xen_suspend, &si, cpumask_of(0)); + /* Resume console as early as possible. */ + if (!si.cancelled) + xen_console_resume(); + raw_notifier_call_chain(&xen_resume_notifier, 0, NULL); dpm_resume_start(si.cancelled ? PMSG_THAW : PMSG_RESTORE); |