diff options
Diffstat (limited to 'drivers')
81 files changed, 475 insertions, 314 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 611ce9061dc5..407ad13cac2f 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -968,7 +968,7 @@ int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device) } return 0; } -EXPORT_SYMBOL_GPL(acpi_bus_get_device); +EXPORT_SYMBOL(acpi_bus_get_device); int acpi_device_add(struct acpi_device *device, void (*release)(struct device *)) diff --git a/drivers/char/random.c b/drivers/char/random.c index 7737b5bd26af..7a744d391756 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -640,7 +640,7 @@ struct timer_rand_state { */ void add_device_randomness(const void *buf, unsigned int size) { - unsigned long time = get_cycles() ^ jiffies; + unsigned long time = random_get_entropy() ^ jiffies; mix_pool_bytes(&input_pool, buf, size, NULL); mix_pool_bytes(&input_pool, &time, sizeof(time), NULL); @@ -677,7 +677,7 @@ static void add_timer_randomness(struct timer_rand_state *state, unsigned num) goto out; sample.jiffies = jiffies; - sample.cycles = get_cycles(); + sample.cycles = random_get_entropy(); sample.num = num; mix_pool_bytes(&input_pool, &sample, sizeof(sample), NULL); @@ -744,7 +744,7 @@ void add_interrupt_randomness(int irq, int irq_flags) struct fast_pool *fast_pool = &__get_cpu_var(irq_randomness); struct pt_regs *regs = get_irq_regs(); unsigned long now = jiffies; - __u32 input[4], cycles = get_cycles(); + __u32 input[4], cycles = random_get_entropy(); input[0] = cycles ^ jiffies; input[1] = irq; @@ -1459,12 +1459,11 @@ struct ctl_table random_table[] = { static u32 random_int_secret[MD5_MESSAGE_BYTES / 4] ____cacheline_aligned; -static int __init random_int_secret_init(void) +int random_int_secret_init(void) { get_random_bytes(random_int_secret, sizeof(random_int_secret)); return 0; } -late_initcall(random_int_secret_init); /* * Get a random word for internal kernel use only. Similar to urandom but @@ -1483,7 +1482,7 @@ unsigned int get_random_int(void) hash = get_cpu_var(get_random_int_hash); - hash[0] += current->pid + jiffies + get_cycles(); + hash[0] += current->pid + jiffies + random_get_entropy(); md5_transform(hash, random_int_secret); ret = hash[0]; put_cpu_var(get_random_int_hash); diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c index 78c49d8e0f4a..c522a95c0e16 100644 --- a/drivers/cpufreq/cpufreq-cpu0.c +++ b/drivers/cpufreq/cpufreq-cpu0.c @@ -229,7 +229,7 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev) if (of_property_read_u32(np, "clock-latency", &transition_latency)) transition_latency = CPUFREQ_ETERNAL; - if (cpu_reg) { + if (!IS_ERR(cpu_reg)) { struct opp *opp; unsigned long min_uV, max_uV; int i; diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 9733f29ed148..32b3479a2405 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -394,7 +394,10 @@ static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate) trace_cpu_frequency(pstate * 100000, cpu->cpu); cpu->pstate.current_pstate = pstate; - wrmsrl(MSR_IA32_PERF_CTL, pstate << 8); + if (limits.no_turbo) + wrmsrl(MSR_IA32_PERF_CTL, BIT(32) | (pstate << 8)); + else + wrmsrl(MSR_IA32_PERF_CTL, pstate << 8); } diff --git a/drivers/cpufreq/spear-cpufreq.c b/drivers/cpufreq/spear-cpufreq.c index 19e364fa5955..3f418166ce02 100644 --- a/drivers/cpufreq/spear-cpufreq.c +++ b/drivers/cpufreq/spear-cpufreq.c @@ -113,7 +113,7 @@ static int spear_cpufreq_target(struct cpufreq_policy *policy, unsigned int target_freq, unsigned int relation) { struct cpufreq_freqs freqs; - unsigned long newfreq; + long newfreq; struct clk *srcclk; int index, ret, mult = 1; diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 526ec77c7ba0..f238cfd33847 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -198,6 +198,7 @@ config TI_EDMA depends on ARCH_DAVINCI || ARCH_OMAP select DMA_ENGINE select DMA_VIRTUAL_CHANNELS + select TI_PRIV_EDMA default n help Enable support for the TI EDMA controller. This DMA diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index ff50ff4c6a57..098a8da450f0 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -749,6 +749,6 @@ static void __exit edma_exit(void) } module_exit(edma_exit); -MODULE_AUTHOR("Matt Porter <mporter@ti.com>"); +MODULE_AUTHOR("Matt Porter <matt.porter@linaro.org>"); MODULE_DESCRIPTION("TI EDMA DMA engine driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c index 78f8ca5fccee..55852c026791 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -437,17 +437,18 @@ static void dma_irq_handle_channel(struct imxdma_channel *imxdmac) struct imxdma_engine *imxdma = imxdmac->imxdma; int chno = imxdmac->channel; struct imxdma_desc *desc; + unsigned long flags; - spin_lock(&imxdma->lock); + spin_lock_irqsave(&imxdma->lock, flags); if (list_empty(&imxdmac->ld_active)) { - spin_unlock(&imxdma->lock); + spin_unlock_irqrestore(&imxdma->lock, flags); goto out; } desc = list_first_entry(&imxdmac->ld_active, struct imxdma_desc, node); - spin_unlock(&imxdma->lock); + spin_unlock_irqrestore(&imxdma->lock, flags); if (desc->sg) { u32 tmp; @@ -519,7 +520,6 @@ static int imxdma_xfer_desc(struct imxdma_desc *d) { struct imxdma_channel *imxdmac = to_imxdma_chan(d->desc.chan); struct imxdma_engine *imxdma = imxdmac->imxdma; - unsigned long flags; int slot = -1; int i; @@ -527,7 +527,6 @@ static int imxdma_xfer_desc(struct imxdma_desc *d) switch (d->type) { case IMXDMA_DESC_INTERLEAVED: /* Try to get a free 2D slot */ - spin_lock_irqsave(&imxdma->lock, flags); for (i = 0; i < IMX_DMA_2D_SLOTS; i++) { if ((imxdma->slots_2d[i].count > 0) && ((imxdma->slots_2d[i].xsr != d->x) || @@ -537,10 +536,8 @@ static int imxdma_xfer_desc(struct imxdma_desc *d) slot = i; break; } - if (slot < 0) { - spin_unlock_irqrestore(&imxdma->lock, flags); + if (slot < 0) return -EBUSY; - } imxdma->slots_2d[slot].xsr = d->x; imxdma->slots_2d[slot].ysr = d->y; @@ -549,7 +546,6 @@ static int imxdma_xfer_desc(struct imxdma_desc *d) imxdmac->slot_2d = slot; imxdmac->enabled_2d = true; - spin_unlock_irqrestore(&imxdma->lock, flags); if (slot == IMX_DMA_2D_SLOT_A) { d->config_mem &= ~CCR_MSEL_B; @@ -625,18 +621,17 @@ static void imxdma_tasklet(unsigned long data) struct imxdma_channel *imxdmac = (void *)data; struct imxdma_engine *imxdma = imxdmac->imxdma; struct imxdma_desc *desc; + unsigned long flags; - spin_lock(&imxdma->lock); + spin_lock_irqsave(&imxdma->lock, flags); if (list_empty(&imxdmac->ld_active)) { /* Someone might have called terminate all */ - goto out; + spin_unlock_irqrestore(&imxdma->lock, flags); + return; } desc = list_first_entry(&imxdmac->ld_active, struct imxdma_desc, node); - if (desc->desc.callback) - desc->desc.callback(desc->desc.callback_param); - /* If we are dealing with a cyclic descriptor, keep it on ld_active * and dont mark the descriptor as complete. * Only in non-cyclic cases it would be marked as complete @@ -663,7 +658,11 @@ static void imxdma_tasklet(unsigned long data) __func__, imxdmac->channel); } out: - spin_unlock(&imxdma->lock); + spin_unlock_irqrestore(&imxdma->lock, flags); + + if (desc->desc.callback) + desc->desc.callback(desc->desc.callback_param); + } static int imxdma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, @@ -883,7 +882,7 @@ static struct dma_async_tx_descriptor *imxdma_prep_dma_cyclic( kfree(imxdmac->sg_list); imxdmac->sg_list = kcalloc(periods + 1, - sizeof(struct scatterlist), GFP_KERNEL); + sizeof(struct scatterlist), GFP_ATOMIC); if (!imxdmac->sg_list) return NULL; diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 0ff43552d472..89675f862308 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -63,6 +63,7 @@ struct gpio_bank { struct gpio_chip chip; struct clk *dbck; u32 mod_usage; + u32 irq_usage; u32 dbck_enable_mask; bool dbck_enabled; struct device *dev; @@ -86,6 +87,9 @@ struct gpio_bank { #define GPIO_BIT(bank, gpio) (1 << GPIO_INDEX(bank, gpio)) #define GPIO_MOD_CTRL_BIT BIT(0) +#define BANK_USED(bank) (bank->mod_usage || bank->irq_usage) +#define LINE_USED(line, offset) (line & (1 << offset)) + static int irq_to_gpio(struct gpio_bank *bank, unsigned int gpio_irq) { return bank->chip.base + gpio_irq; @@ -420,15 +424,69 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, return 0; } +static void _enable_gpio_module(struct gpio_bank *bank, unsigned offset) +{ + if (bank->regs->pinctrl) { + void __iomem *reg = bank->base + bank->regs->pinctrl; + + /* Claim the pin for MPU */ + __raw_writel(__raw_readl(reg) | (1 << offset), reg); + } + + if (bank->regs->ctrl && !BANK_USED(bank)) { + void __iomem *reg = bank->base + bank->regs->ctrl; + u32 ctrl; + + ctrl = __raw_readl(reg); + /* Module is enabled, clocks are not gated */ + ctrl &= ~GPIO_MOD_CTRL_BIT; + __raw_writel(ctrl, reg); + bank->context.ctrl = ctrl; + } +} + +static void _disable_gpio_module(struct gpio_bank *bank, unsigned offset) +{ + void __iomem *base = bank->base; + + if (bank->regs->wkup_en && + !LINE_USED(bank->mod_usage, offset) && + !LINE_USED(bank->irq_usage, offset)) { + /* Disable wake-up during idle for dynamic tick */ + _gpio_rmw(base, bank->regs->wkup_en, 1 << offset, 0); + bank->context.wake_en = + __raw_readl(bank->base + bank->regs->wkup_en); + } + + if (bank->regs->ctrl && !BANK_USED(bank)) { + void __iomem *reg = bank->base + bank->regs->ctrl; + u32 ctrl; + + ctrl = __raw_readl(reg); + /* Module is disabled, clocks are gated */ + ctrl |= GPIO_MOD_CTRL_BIT; + __raw_writel(ctrl, reg); + bank->context.ctrl = ctrl; + } +} + +static int gpio_is_input(struct gpio_bank *bank, int mask) +{ + void __iomem *reg = bank->base + bank->regs->direction; + + return __raw_readl(reg) & mask; +} + static int gpio_irq_type(struct irq_data *d, unsigned type) { struct gpio_bank *bank = irq_data_get_irq_chip_data(d); unsigned gpio = 0; int retval; unsigned long flags; + unsigned offset; - if (WARN_ON(!bank->mod_usage)) - return -EINVAL; + if (!BANK_USED(bank)) + pm_runtime_get_sync(bank->dev); #ifdef CONFIG_ARCH_OMAP1 if (d->irq > IH_MPUIO_BASE) @@ -446,7 +504,17 @@ static int gpio_irq_type(struct irq_data *d, unsigned type) return -EINVAL; spin_lock_irqsave(&bank->lock, flags); - retval = _set_gpio_triggering(bank, GPIO_INDEX(bank, gpio), type); + offset = GPIO_INDEX(bank, gpio); + retval = _set_gpio_triggering(bank, offset, type); + if (!LINE_USED(bank->mod_usage, offset)) { + _enable_gpio_module(bank, offset); + _set_gpio_direction(bank, offset, 1); + } else if (!gpio_is_input(bank, 1 << offset)) { + spin_unlock_irqrestore(&bank->lock, flags); + return -EINVAL; + } + + bank->irq_usage |= 1 << GPIO_INDEX(bank, gpio); spin_unlock_irqrestore(&bank->lock, flags); if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) @@ -603,35 +671,19 @@ static int omap_gpio_request(struct gpio_chip *chip, unsigned offset) * If this is the first gpio_request for the bank, * enable the bank module. */ - if (!bank->mod_usage) + if (!BANK_USED(bank)) pm_runtime_get_sync(bank->dev); spin_lock_irqsave(&bank->lock, flags); /* Set trigger to none. You need to enable the desired trigger with - * request_irq() or set_irq_type(). + * request_irq() or set_irq_type(). Only do this if the IRQ line has + * not already been requested. */ - _set_gpio_triggering(bank, offset, IRQ_TYPE_NONE); - - if (bank->regs->pinctrl) { - void __iomem *reg = bank->base + bank->regs->pinctrl; - - /* Claim the pin for MPU */ - __raw_writel(__raw_readl(reg) | (1 << offset), reg); - } - - if (bank->regs->ctrl && !bank->mod_usage) { - void __iomem *reg = bank->base + bank->regs->ctrl; - u32 ctrl; - - ctrl = __raw_readl(reg); - /* Module is enabled, clocks are not gated */ - ctrl &= ~GPIO_MOD_CTRL_BIT; - __raw_writel(ctrl, reg); - bank->context.ctrl = ctrl; + if (!LINE_USED(bank->irq_usage, offset)) { + _set_gpio_triggering(bank, offset, IRQ_TYPE_NONE); + _enable_gpio_module(bank, offset); } - bank->mod_usage |= 1 << offset; - spin_unlock_irqrestore(&bank->lock, flags); return 0; @@ -640,31 +692,11 @@ static int omap_gpio_request(struct gpio_chip *chip, unsigned offset) static void omap_gpio_free(struct gpio_chip *chip, unsigned offset) { struct gpio_bank *bank = container_of(chip, struct gpio_bank, chip); - void __iomem *base = bank->base; unsigned long flags; spin_lock_irqsave(&bank->lock, flags); - - if (bank->regs->wkup_en) { - /* Disable wake-up during idle for dynamic tick */ - _gpio_rmw(base, bank->regs->wkup_en, 1 << offset, 0); - bank->context.wake_en = - __raw_readl(bank->base + bank->regs->wkup_en); - } - bank->mod_usage &= ~(1 << offset); - - if (bank->regs->ctrl && !bank->mod_usage) { - void __iomem *reg = bank->base + bank->regs->ctrl; - u32 ctrl; - - ctrl = __raw_readl(reg); - /* Module is disabled, clocks are gated */ - ctrl |= GPIO_MOD_CTRL_BIT; - __raw_writel(ctrl, reg); - bank->context.ctrl = ctrl; - } - + _disable_gpio_module(bank, offset); _reset_gpio(bank, bank->chip.base + offset); spin_unlock_irqrestore(&bank->lock, flags); @@ -672,7 +704,7 @@ static void omap_gpio_free(struct gpio_chip *chip, unsigned offset) * If this is the last gpio to be freed in the bank, * disable the bank module. */ - if (!bank->mod_usage) + if (!BANK_USED(bank)) pm_runtime_put(bank->dev); } @@ -762,10 +794,20 @@ static void gpio_irq_shutdown(struct irq_data *d) struct gpio_bank *bank = irq_data_get_irq_chip_data(d); unsigned int gpio = irq_to_gpio(bank, d->hwirq); unsigned long flags; + unsigned offset = GPIO_INDEX(bank, gpio); spin_lock_irqsave(&bank->lock, flags); + bank->irq_usage &= ~(1 << offset); + _disable_gpio_module(bank, offset); _reset_gpio(bank, gpio); spin_unlock_irqrestore(&bank->lock, flags); + + /* + * If this is the last IRQ to be freed in the bank, + * disable the bank module. + */ + if (!BANK_USED(bank)) + pm_runtime_put(bank->dev); } static void gpio_ack_irq(struct irq_data *d) @@ -897,13 +939,6 @@ static int gpio_input(struct gpio_chip *chip, unsigned offset) return 0; } -static int gpio_is_input(struct gpio_bank *bank, int mask) -{ - void __iomem *reg = bank->base + bank->regs->direction; - - return __raw_readl(reg) & mask; -} - static int gpio_get(struct gpio_chip *chip, unsigned offset) { struct gpio_bank *bank; @@ -922,13 +957,22 @@ static int gpio_output(struct gpio_chip *chip, unsigned offset, int value) { struct gpio_bank *bank; unsigned long flags; + int retval = 0; bank = container_of(chip, struct gpio_bank, chip); spin_lock_irqsave(&bank->lock, flags); + + if (LINE_USED(bank->irq_usage, offset)) { + retval = -EINVAL; + goto exit; + } + bank->set_dataout(bank, offset, value); _set_gpio_direction(bank, offset, 0); + +exit: spin_unlock_irqrestore(&bank->lock, flags); - return 0; + return retval; } static int gpio_debounce(struct gpio_chip *chip, unsigned offset, @@ -1400,7 +1444,7 @@ void omap2_gpio_prepare_for_idle(int pwr_mode) struct gpio_bank *bank; list_for_each_entry(bank, &omap_gpio_list, node) { - if (!bank->mod_usage || !bank->loses_context) + if (!BANK_USED(bank) || !bank->loses_context) continue; bank->power_mode = pwr_mode; @@ -1414,7 +1458,7 @@ void omap2_gpio_resume_after_idle(void) struct gpio_bank *bank; list_for_each_entry(bank, &omap_gpio_list, node) { - if (!bank->mod_usage || !bank->loses_context) + if (!BANK_USED(bank) || !bank->loses_context) continue; pm_runtime_get_sync(bank->dev); diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 1688ff500513..830f7501cb4d 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -2925,6 +2925,8 @@ int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb) /* Speaker Allocation Data Block */ if (dbl == 3) { *sadb = kmalloc(dbl, GFP_KERNEL); + if (!*sadb) + return -ENOMEM; memcpy(*sadb, &db[1], dbl); count = dbl; break; diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index f6f6cc7fc133..3d13ca6e257f 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -416,14 +416,6 @@ static void drm_fb_helper_dpms(struct fb_info *info, int dpms_mode) return; /* - * fbdev->blank can be called from irq context in case of a panic. - * Since we already have our own special panic handler which will - * restore the fbdev console mode completely, just bail out early. - */ - if (oops_in_progress) - return; - - /* * For each CRTC in this fb, turn the connectors on/off. */ drm_modeset_lock_all(dev); diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c index 92babac362ec..2db731f00930 100644 --- a/drivers/gpu/drm/gma500/gtt.c +++ b/drivers/gpu/drm/gma500/gtt.c @@ -204,6 +204,7 @@ static int psb_gtt_attach_pages(struct gtt_range *gt) if (IS_ERR(pages)) return PTR_ERR(pages); + gt->npage = gt->gem.size / PAGE_SIZE; gt->pages = pages; return 0; diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index c27a21034a5e..d5c784d48671 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1290,12 +1290,9 @@ static int i915_load_modeset_init(struct drm_device *dev) * then we do not take part in VGA arbitration and the * vga_client_register() fails with -ENODEV. */ - if (!HAS_PCH_SPLIT(dev)) { - ret = vga_client_register(dev->pdev, dev, NULL, - i915_vga_set_decode); - if (ret && ret != -ENODEV) - goto out; - } + ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode); + if (ret && ret != -ENODEV) + goto out; intel_register_dsm_handler(); @@ -1351,12 +1348,6 @@ static int i915_load_modeset_init(struct drm_device *dev) */ intel_fbdev_initial_config(dev); - /* - * Must do this after fbcon init so that - * vgacon_save_screen() works during the handover. - */ - i915_disable_vga_mem(dev); - /* Only enable hotplug handling once the fbdev is fully set up. */ dev_priv->enable_hotplug_processing = true; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index c159e1a6810f..38f96f65d87a 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3881,6 +3881,9 @@ #define GEN7_SQ_CHICKEN_MBCUNIT_CONFIG 0x9030 #define GEN7_SQ_CHICKEN_MBCUNIT_SQINTMOB (1<<11) +#define HSW_SCRATCH1 0xb038 +#define HSW_SCRATCH1_L3_DATA_ATOMICS_DISABLE (1<<27) + #define HSW_FUSE_STRAP 0x42014 #define HSW_CDCLK_LIMIT (1 << 24) @@ -4728,6 +4731,9 @@ #define GEN7_ROW_CHICKEN2_GT2 0xf4f4 #define DOP_CLOCK_GATING_DISABLE (1<<0) +#define HSW_ROW_CHICKEN3 0xe49c +#define HSW_ROW_CHICKEN3_L3_GLOBAL_ATOMICS_DISABLE (1 << 6) + #define G4X_AUD_VID_DID (dev_priv->info->display_mmio_offset + 0x62020) #define INTEL_AUDIO_DEVCL 0x808629FB #define INTEL_AUDIO_DEVBLC 0x80862801 diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index e5822e79f912..581fb4b2f766 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3941,8 +3941,6 @@ static void intel_connector_check_state(struct intel_connector *connector) * consider. */ void intel_connector_dpms(struct drm_connector *connector, int mode) { - struct intel_encoder *encoder = intel_attached_encoder(connector); - /* All the simple cases only support two dpms states. */ if (mode != DRM_MODE_DPMS_ON) mode = DRM_MODE_DPMS_OFF; @@ -3953,10 +3951,8 @@ void intel_connector_dpms(struct drm_connector *connector, int mode) connector->dpms = mode; /* Only need to change hw state when actually enabled */ - if (encoder->base.crtc) - intel_encoder_dpms(encoder, mode); - else - WARN_ON(encoder->connectors_active != false); + if (connector->encoder) + intel_encoder_dpms(to_intel_encoder(connector->encoder), mode); intel_modeset_check_state(connector->dev); } @@ -10049,33 +10045,6 @@ static void i915_disable_vga(struct drm_device *dev) POSTING_READ(vga_reg); } -static void i915_enable_vga_mem(struct drm_device *dev) -{ - /* Enable VGA memory on Intel HD */ - if (HAS_PCH_SPLIT(dev)) { - vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); - outb(inb(VGA_MSR_READ) | VGA_MSR_MEM_EN, VGA_MSR_WRITE); - vga_set_legacy_decoding(dev->pdev, VGA_RSRC_LEGACY_IO | - VGA_RSRC_LEGACY_MEM | - VGA_RSRC_NORMAL_IO | - VGA_RSRC_NORMAL_MEM); - vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); - } -} - -void i915_disable_vga_mem(struct drm_device *dev) -{ - /* Disable VGA memory on Intel HD */ - if (HAS_PCH_SPLIT(dev)) { - vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); - outb(inb(VGA_MSR_READ) & ~VGA_MSR_MEM_EN, VGA_MSR_WRITE); - vga_set_legacy_decoding(dev->pdev, VGA_RSRC_LEGACY_IO | - VGA_RSRC_NORMAL_IO | - VGA_RSRC_NORMAL_MEM); - vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); - } -} - void intel_modeset_init_hw(struct drm_device *dev) { intel_init_power_well(dev); @@ -10354,7 +10323,6 @@ void i915_redisable_vga(struct drm_device *dev) if (I915_READ(vga_reg) != VGA_DISP_DISABLE) { DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n"); i915_disable_vga(dev); - i915_disable_vga_mem(dev); } } @@ -10568,8 +10536,6 @@ void intel_modeset_cleanup(struct drm_device *dev) intel_disable_fbc(dev); - i915_enable_vga_mem(dev); - intel_disable_gt_powersave(dev); ironlake_teardown_rc6(dev); diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 79c14e298ba6..2c555f91bfae 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1467,7 +1467,7 @@ static void intel_edp_psr_setup(struct intel_dp *intel_dp) /* Avoid continuous PSR exit by masking memup and hpd */ I915_WRITE(EDP_PSR_DEBUG_CTL, EDP_PSR_DEBUG_MASK_MEMUP | - EDP_PSR_DEBUG_MASK_HPD); + EDP_PSR_DEBUG_MASK_HPD | EDP_PSR_DEBUG_MASK_LPSP); intel_dp->psr_setup_done = true; } diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 28cae80495e2..9b7b68fd5d47 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -793,6 +793,5 @@ extern void hsw_pc8_disable_interrupts(struct drm_device *dev); extern void hsw_pc8_restore_interrupts(struct drm_device *dev); extern void intel_aux_display_runtime_get(struct drm_i915_private *dev_priv); extern void intel_aux_display_runtime_put(struct drm_i915_private *dev_priv); -extern void i915_disable_vga_mem(struct drm_device *dev); #endif /* __INTEL_DRV_H__ */ diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index dd176b7296c1..f4c5e95b2d6f 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3864,8 +3864,6 @@ static void valleyview_enable_rps(struct drm_device *dev) dev_priv->rps.rpe_delay), dev_priv->rps.rpe_delay); - INIT_DELAYED_WORK(&dev_priv->rps.vlv_work, vlv_rps_timer_work); - valleyview_set_rps(dev_priv->dev, dev_priv->rps.rpe_delay); gen6_enable_rps_interrupts(dev); @@ -4955,6 +4953,11 @@ static void haswell_init_clock_gating(struct drm_device *dev) I915_WRITE(GEN7_L3_CHICKEN_MODE_REGISTER, GEN7_WA_L3_CHICKEN_MODE); + /* L3 caching of data atomics doesn't work -- disable it. */ + I915_WRITE(HSW_SCRATCH1, HSW_SCRATCH1_L3_DATA_ATOMICS_DISABLE); + I915_WRITE(HSW_ROW_CHICKEN3, + _MASKED_BIT_ENABLE(HSW_ROW_CHICKEN3_L3_GLOBAL_ATOMICS_DISABLE)); + /* This is required by WaCatErrorRejectionIssue:hsw */ I915_WRITE(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG, I915_READ(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG) | @@ -5681,5 +5684,7 @@ void intel_pm_init(struct drm_device *dev) INIT_DELAYED_WORK(&dev_priv->rps.delayed_resume_work, intel_gen6_powersave_work); + + INIT_DELAYED_WORK(&dev_priv->rps.vlv_work, vlv_rps_timer_work); } diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/base.c b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c index 37712a6df923..e290cfa4acee 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c @@ -113,7 +113,7 @@ nouveau_mc_create_(struct nouveau_object *parent, struct nouveau_object *engine, pmc->use_msi = false; break; default: - pmc->use_msi = nouveau_boolopt(device->cfgopt, "NvMSI", true); + pmc->use_msi = nouveau_boolopt(device->cfgopt, "NvMSI", false); if (pmc->use_msi) { pmc->use_msi = pci_enable_msi(device->pdev) == 0; if (pmc->use_msi) { diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c index b162e98a2953..9b6950d9b3c0 100644 --- a/drivers/gpu/drm/radeon/btc_dpm.c +++ b/drivers/gpu/drm/radeon/btc_dpm.c @@ -1930,7 +1930,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev, } j++; - if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) return -EINVAL; tmp = RREG32(MC_PMG_CMD_MRS); @@ -1945,7 +1945,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev, } j++; - if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) return -EINVAL; break; case MC_SEQ_RESERVE_M >> 2: @@ -1959,7 +1959,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev, } j++; - if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) return -EINVAL; break; default: diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index d02fd1c045d5..b874ccdf52f7 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -77,6 +77,8 @@ static void cik_pcie_gen3_enable(struct radeon_device *rdev); static void cik_program_aspm(struct radeon_device *rdev); static void cik_init_pg(struct radeon_device *rdev); static void cik_init_cg(struct radeon_device *rdev); +static void cik_fini_pg(struct radeon_device *rdev); +static void cik_fini_cg(struct radeon_device *rdev); static void cik_enable_gui_idle_interrupt(struct radeon_device *rdev, bool enable); @@ -4185,6 +4187,10 @@ static void cik_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS)); + /* disable CG/PG */ + cik_fini_pg(rdev); + cik_fini_cg(rdev); + /* stop the rlc */ cik_rlc_stop(rdev); diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 555164e270a7..b5c67a99dda9 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -3131,7 +3131,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev) rdev->config.evergreen.sx_max_export_size = 256; rdev->config.evergreen.sx_max_export_pos_size = 64; rdev->config.evergreen.sx_max_export_smx_size = 192; - rdev->config.evergreen.max_hw_contexts = 8; + rdev->config.evergreen.max_hw_contexts = 4; rdev->config.evergreen.sq_num_cf_insts = 2; rdev->config.evergreen.sc_prim_fifo_size = 0x40; diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c index f71ce390aebe..f815c20640bd 100644 --- a/drivers/gpu/drm/radeon/evergreen_hdmi.c +++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c @@ -288,8 +288,7 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode /* fglrx clears sth in AFMT_AUDIO_PACKET_CONTROL2 here */ WREG32(HDMI_ACR_PACKET_CONTROL + offset, - HDMI_ACR_AUTO_SEND | /* allow hw to sent ACR packets when required */ - HDMI_ACR_SOURCE); /* select SW CTS value */ + HDMI_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */ evergreen_hdmi_update_ACR(encoder, mode->clock); diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index 8768fd6a1e27..4f6d2962767d 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -1501,7 +1501,7 @@ * 6. COMMAND [29:22] | BYTE_COUNT [20:0] */ # define PACKET3_CP_DMA_DST_SEL(x) ((x) << 20) - /* 0 - SRC_ADDR + /* 0 - DST_ADDR * 1 - GDS */ # define PACKET3_CP_DMA_ENGINE(x) ((x) << 27) @@ -1516,7 +1516,7 @@ # define PACKET3_CP_DMA_CP_SYNC (1 << 31) /* COMMAND */ # define PACKET3_CP_DMA_DIS_WC (1 << 21) -# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 23) +# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 22) /* 0 - none * 1 - 8 in 16 * 2 - 8 in 32 diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index b0fa6002af3e..5b729319f27b 100644 --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c @@ -57,15 +57,15 @@ enum r600_hdmi_iec_status_bits { static const struct radeon_hdmi_acr r600_hdmi_predefined_acr[] = { /* 32kHz 44.1kHz 48kHz */ /* Clock N CTS N CTS N CTS */ - { 25174, 4576, 28125, 7007, 31250, 6864, 28125 }, /* 25,20/1.001 MHz */ + { 25175, 4576, 28125, 7007, 31250, 6864, 28125 }, /* 25,20/1.001 MHz */ { 25200, 4096, 25200, 6272, 28000, 6144, 25200 }, /* 25.20 MHz */ { 27000, 4096, 27000, 6272, 30000, 6144, 27000 }, /* 27.00 MHz */ { 27027, 4096, 27027, 6272, 30030, 6144, 27027 }, /* 27.00*1.001 MHz */ { 54000, 4096, 54000, 6272, 60000, 6144, 54000 }, /* 54.00 MHz */ { 54054, 4096, 54054, 6272, 60060, 6144, 54054 }, /* 54.00*1.001 MHz */ - { 74175, 11648, 210937, 17836, 234375, 11648, 140625 }, /* 74.25/1.001 MHz */ + { 74176, 11648, 210937, 17836, 234375, 11648, 140625 }, /* 74.25/1.001 MHz */ { 74250, 4096, 74250, 6272, 82500, 6144, 74250 }, /* 74.25 MHz */ - { 148351, 11648, 421875, 8918, 234375, 5824, 140625 }, /* 148.50/1.001 MHz */ + { 148352, 11648, 421875, 8918, 234375, 5824, 140625 }, /* 148.50/1.001 MHz */ { 148500, 4096, 148500, 6272, 165000, 6144, 148500 }, /* 148.50 MHz */ { 0, 4096, 0, 6272, 0, 6144, 0 } /* Other */ }; @@ -75,8 +75,15 @@ static const struct radeon_hdmi_acr r600_hdmi_predefined_acr[] = { */ static void r600_hdmi_calc_cts(uint32_t clock, int *CTS, int N, int freq) { - if (*CTS == 0) - *CTS = clock * N / (128 * freq) * 1000; + u64 n; + u32 d; + + if (*CTS == 0) { + n = (u64)clock * (u64)N * 1000ULL; + d = 128 * freq; + do_div(n, d); + *CTS = n; + } DRM_DEBUG("Using ACR timing N=%d CTS=%d for frequency %d\n", N, *CTS, freq); } @@ -444,8 +451,8 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod } WREG32(HDMI0_ACR_PACKET_CONTROL + offset, - HDMI0_ACR_AUTO_SEND | /* allow hw to sent ACR packets when required */ - HDMI0_ACR_SOURCE); /* select SW CTS value */ + HDMI0_ACR_SOURCE | /* select SW CTS value - XXX verify that hw CTS works on all families */ + HDMI0_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */ WREG32(HDMI0_VBI_PACKET_CONTROL + offset, HDMI0_NULL_SEND | /* send null packets when required */ diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h index e673fe26ea84..7b3c7b5932c5 100644 --- a/drivers/gpu/drm/radeon/r600d.h +++ b/drivers/gpu/drm/radeon/r600d.h @@ -1523,7 +1523,7 @@ */ # define PACKET3_CP_DMA_CP_SYNC (1 << 31) /* COMMAND */ -# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 23) +# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 22) /* 0 - none * 1 - 8 in 16 * 2 - 8 in 32 diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index ac07ad1d4f8c..4f6b7fc7ad3c 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -945,6 +945,8 @@ void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable) if (enable) { mutex_lock(&rdev->pm.mutex); rdev->pm.dpm.uvd_active = true; + /* disable this for now */ +#if 0 if ((rdev->pm.dpm.sd == 1) && (rdev->pm.dpm.hd == 0)) dpm_state = POWER_STATE_TYPE_INTERNAL_UVD_SD; else if ((rdev->pm.dpm.sd == 2) && (rdev->pm.dpm.hd == 0)) @@ -954,6 +956,7 @@ void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable) else if ((rdev->pm.dpm.sd == 0) && (rdev->pm.dpm.hd == 2)) dpm_state = POWER_STATE_TYPE_INTERNAL_UVD_HD2; else +#endif dpm_state = POWER_STATE_TYPE_INTERNAL_UVD; rdev->pm.dpm.state = dpm_state; mutex_unlock(&rdev->pm.mutex); diff --git a/drivers/gpu/drm/radeon/radeon_test.c b/drivers/gpu/drm/radeon/radeon_test.c index f4d6bcee9006..12e8099a0823 100644 --- a/drivers/gpu/drm/radeon/radeon_test.c +++ b/drivers/gpu/drm/radeon/radeon_test.c @@ -36,8 +36,8 @@ static void radeon_do_test_moves(struct radeon_device *rdev, int flag) struct radeon_bo *vram_obj = NULL; struct radeon_bo **gtt_obj = NULL; uint64_t gtt_addr, vram_addr; - unsigned i, n, size; - int r, ring; + unsigned n, size; + int i, r, ring; switch (flag) { case RADEON_TEST_COPY_DMA: diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index a0f11856ddde..4f2e73f79638 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -798,7 +798,8 @@ void radeon_uvd_note_usage(struct radeon_device *rdev) (rdev->pm.dpm.hd != hd)) { rdev->pm.dpm.sd = sd; rdev->pm.dpm.hd = hd; - streams_changed = true; + /* disable this for now */ + /*streams_changed = true;*/ } } diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index c354c1094967..d4652af425b8 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -85,6 +85,9 @@ extern void si_dma_vm_set_page(struct radeon_device *rdev, uint32_t incr, uint32_t flags); static void si_enable_gui_idle_interrupt(struct radeon_device *rdev, bool enable); +static void si_fini_pg(struct radeon_device *rdev); +static void si_fini_cg(struct radeon_device *rdev); +static void si_rlc_stop(struct radeon_device *rdev); static const u32 verde_rlc_save_restore_register_list[] = { @@ -3608,6 +3611,13 @@ static void si_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS)); + /* disable PG/CG */ + si_fini_pg(rdev); + si_fini_cg(rdev); + + /* stop the rlc */ + si_rlc_stop(rdev); + /* Disable CP parsing/prefetching */ WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 9ace28702c76..2332aa1bf93c 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -5208,7 +5208,7 @@ static int si_set_mc_special_registers(struct radeon_device *rdev, table->mc_reg_table_entry[k].mc_data[j] |= 0x100; } j++; - if (j > SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) return -EINVAL; if (!pi->mem_gddr5) { @@ -5218,7 +5218,7 @@ static int si_set_mc_special_registers(struct radeon_device *rdev, table->mc_reg_table_entry[k].mc_data[j] = (table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16; j++; - if (j > SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) return -EINVAL; } break; @@ -5231,7 +5231,7 @@ static int si_set_mc_special_registers(struct radeon_device *rdev, (temp_reg & 0xffff0000) | (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff); j++; - if (j > SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) return -EINVAL; break; default: diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h index 52d2ab6b67a0..7e2e0ea66a00 100644 --- a/drivers/gpu/drm/radeon/sid.h +++ b/drivers/gpu/drm/radeon/sid.h @@ -1553,7 +1553,7 @@ * 6. COMMAND [30:21] | BYTE_COUNT [20:0] */ # define PACKET3_CP_DMA_DST_SEL(x) ((x) << 20) - /* 0 - SRC_ADDR + /* 0 - DST_ADDR * 1 - GDS */ # define PACKET3_CP_DMA_ENGINE(x) ((x) << 27) @@ -1568,7 +1568,7 @@ # define PACKET3_CP_DMA_CP_SYNC (1 << 31) /* COMMAND */ # define PACKET3_CP_DMA_DIS_WC (1 << 21) -# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 23) +# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 22) /* 0 - none * 1 - 8 in 16 * 2 - 8 in 32 diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c index 7f998bf1cc9d..9364129ba292 100644 --- a/drivers/gpu/drm/radeon/trinity_dpm.c +++ b/drivers/gpu/drm/radeon/trinity_dpm.c @@ -1868,7 +1868,7 @@ int trinity_dpm_init(struct radeon_device *rdev) for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) pi->at[i] = TRINITY_AT_DFLT; - pi->enable_bapm = true; + pi->enable_bapm = false; pi->enable_nbps_policy = true; pi->enable_sclk_ds = true; pi->enable_gfx_power_gating = true; diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 71b70e3a7a71..c91d547191dd 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -241,6 +241,7 @@ config HID_HOLTEK - Sharkoon Drakonia / Perixx MX-2000 gaming mice - Tracer Sniper TRM-503 / NOVA Gaming Slider X200 / Zalman ZM-GM1 + - SHARKOON DarkGlider Gaming mouse config HOLTEK_FF bool "Holtek On Line Grip force feedback support" diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index b8470b1a10fe..5a8c01112a23 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1715,6 +1715,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) }, { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) }, { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) }, { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_580) }, { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) }, diff --git a/drivers/hid/hid-holtek-mouse.c b/drivers/hid/hid-holtek-mouse.c index 7e6db3cf46f9..e696566cde46 100644 --- a/drivers/hid/hid-holtek-mouse.c +++ b/drivers/hid/hid-holtek-mouse.c @@ -27,6 +27,7 @@ * - USB ID 04d9:a067, sold as Sharkoon Drakonia and Perixx MX-2000 * - USB ID 04d9:a04a, sold as Tracer Sniper TRM-503, NOVA Gaming Slider X200 * and Zalman ZM-GM1 + * - USB ID 04d9:a081, sold as SHARKOON DarkGlider Gaming mouse */ static __u8 *holtek_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, @@ -46,6 +47,7 @@ static __u8 *holtek_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, } break; case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A: + case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081: if (*rsize >= 113 && rdesc[106] == 0xff && rdesc[107] == 0x7f && rdesc[111] == 0xff && rdesc[112] == 0x7f) { hid_info(hdev, "Fixing up report descriptor\n"); @@ -63,6 +65,8 @@ static const struct hid_device_id holtek_mouse_devices[] = { USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) }, { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, + USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) }, { } }; MODULE_DEVICE_TABLE(hid, holtek_mouse_devices); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index e60e8d530697..9cbc7ab07dfa 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -450,6 +450,7 @@ #define USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD 0xa055 #define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067 0xa067 #define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A 0xa04a +#define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081 0xa081 #define USB_VENDOR_ID_IMATION 0x0718 #define USB_DEVICE_ID_DISC_STAKKA 0xd000 diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c index 602c188e9d86..6101816a7ddd 100644 --- a/drivers/hid/hid-roccat-kone.c +++ b/drivers/hid/hid-roccat-kone.c @@ -382,7 +382,7 @@ static ssize_t kone_sysfs_write_profilex(struct file *fp, } #define PROFILE_ATTR(number) \ static struct bin_attribute bin_attr_profile##number = { \ - .attr = { .name = "profile##number", .mode = 0660 }, \ + .attr = { .name = "profile" #number, .mode = 0660 }, \ .size = sizeof(struct kone_profile), \ .read = kone_sysfs_read_profilex, \ .write = kone_sysfs_write_profilex, \ diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c index 5ddf605b6b89..5e99fcdc71b9 100644 --- a/drivers/hid/hid-roccat-koneplus.c +++ b/drivers/hid/hid-roccat-koneplus.c @@ -229,13 +229,13 @@ static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp, #define PROFILE_ATTR(number) \ static struct bin_attribute bin_attr_profile##number##_settings = { \ - .attr = { .name = "profile##number##_settings", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \ .size = KONEPLUS_SIZE_PROFILE_SETTINGS, \ .read = koneplus_sysfs_read_profilex_settings, \ .private = &profile_numbers[number-1], \ }; \ static struct bin_attribute bin_attr_profile##number##_buttons = { \ - .attr = { .name = "profile##number##_buttons", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \ .size = KONEPLUS_SIZE_PROFILE_BUTTONS, \ .read = koneplus_sysfs_read_profilex_buttons, \ .private = &profile_numbers[number-1], \ diff --git a/drivers/hid/hid-roccat-kovaplus.c b/drivers/hid/hid-roccat-kovaplus.c index 515bc03136c0..0c8e1ef0b67d 100644 --- a/drivers/hid/hid-roccat-kovaplus.c +++ b/drivers/hid/hid-roccat-kovaplus.c @@ -257,13 +257,13 @@ static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp, #define PROFILE_ATTR(number) \ static struct bin_attribute bin_attr_profile##number##_settings = { \ - .attr = { .name = "profile##number##_settings", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \ .size = KOVAPLUS_SIZE_PROFILE_SETTINGS, \ .read = kovaplus_sysfs_read_profilex_settings, \ .private = &profile_numbers[number-1], \ }; \ static struct bin_attribute bin_attr_profile##number##_buttons = { \ - .attr = { .name = "profile##number##_buttons", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \ .size = KOVAPLUS_SIZE_PROFILE_BUTTONS, \ .read = kovaplus_sysfs_read_profilex_buttons, \ .private = &profile_numbers[number-1], \ diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c index 5a6dbbeee790..1a07e07d99a0 100644 --- a/drivers/hid/hid-roccat-pyra.c +++ b/drivers/hid/hid-roccat-pyra.c @@ -225,13 +225,13 @@ static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp, #define PROFILE_ATTR(number) \ static struct bin_attribute bin_attr_profile##number##_settings = { \ - .attr = { .name = "profile##number##_settings", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \ .size = PYRA_SIZE_PROFILE_SETTINGS, \ .read = pyra_sysfs_read_profilex_settings, \ .private = &profile_numbers[number-1], \ }; \ static struct bin_attribute bin_attr_profile##number##_buttons = { \ - .attr = { .name = "profile##number##_buttons", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \ .size = PYRA_SIZE_PROFILE_BUTTONS, \ .read = pyra_sysfs_read_profilex_buttons, \ .private = &profile_numbers[number-1], \ diff --git a/drivers/hid/hid-wiimote-modules.c b/drivers/hid/hid-wiimote-modules.c index 2e7d644dba18..71adf9e60b13 100644 --- a/drivers/hid/hid-wiimote-modules.c +++ b/drivers/hid/hid-wiimote-modules.c @@ -119,12 +119,22 @@ static const struct wiimod_ops wiimod_keys = { * the rumble motor, this flag shouldn't be set. */ +/* used by wiimod_rumble and wiipro_rumble */ +static void wiimod_rumble_worker(struct work_struct *work) +{ + struct wiimote_data *wdata = container_of(work, struct wiimote_data, + rumble_worker); + + spin_lock_irq(&wdata->state.lock); + wiiproto_req_rumble(wdata, wdata->state.cache_rumble); + spin_unlock_irq(&wdata->state.lock); +} + static int wiimod_rumble_play(struct input_dev *dev, void *data, struct ff_effect *eff) { struct wiimote_data *wdata = input_get_drvdata(dev); __u8 value; - unsigned long flags; /* * The wiimote supports only a single rumble motor so if any magnitude @@ -137,9 +147,10 @@ static int wiimod_rumble_play(struct input_dev *dev, void *data, else value = 0; - spin_lock_irqsave(&wdata->state.lock, flags); - wiiproto_req_rumble(wdata, value); - spin_unlock_irqrestore(&wdata->state.lock, flags); + /* Locking state.lock here might deadlock with input_event() calls. + * schedule_work acts as barrier. Merging multiple changes is fine. */ + wdata->state.cache_rumble = value; + schedule_work(&wdata->rumble_worker); return 0; } @@ -147,6 +158,8 @@ static int wiimod_rumble_play(struct input_dev *dev, void *data, static int wiimod_rumble_probe(const struct wiimod_ops *ops, struct wiimote_data *wdata) { + INIT_WORK(&wdata->rumble_worker, wiimod_rumble_worker); + set_bit(FF_RUMBLE, wdata->input->ffbit); if (input_ff_create_memless(wdata->input, NULL, wiimod_rumble_play)) return -ENOMEM; @@ -159,6 +172,8 @@ static void wiimod_rumble_remove(const struct wiimod_ops *ops, { unsigned long flags; + cancel_work_sync(&wdata->rumble_worker); + spin_lock_irqsave(&wdata->state.lock, flags); wiiproto_req_rumble(wdata, 0); spin_unlock_irqrestore(&wdata->state.lock, flags); @@ -1731,7 +1746,6 @@ static int wiimod_pro_play(struct input_dev *dev, void *data, { struct wiimote_data *wdata = input_get_drvdata(dev); __u8 value; - unsigned long flags; /* * The wiimote supports only a single rumble motor so if any magnitude @@ -1744,9 +1758,10 @@ static int wiimod_pro_play(struct input_dev *dev, void *data, else value = 0; - spin_lock_irqsave(&wdata->state.lock, flags); - wiiproto_req_rumble(wdata, value); - spin_unlock_irqrestore(&wdata->state.lock, flags); + /* Locking state.lock here might deadlock with input_event() calls. + * schedule_work acts as barrier. Merging multiple changes is fine. */ + wdata->state.cache_rumble = value; + schedule_work(&wdata->rumble_worker); return 0; } @@ -1756,6 +1771,8 @@ static int wiimod_pro_probe(const struct wiimod_ops *ops, { int ret, i; + INIT_WORK(&wdata->rumble_worker, wiimod_rumble_worker); + wdata->extension.input = input_allocate_device(); if (!wdata->extension.input) return -ENOMEM; @@ -1817,12 +1834,13 @@ static void wiimod_pro_remove(const struct wiimod_ops *ops, if (!wdata->extension.input) return; + input_unregister_device(wdata->extension.input); + wdata->extension.input = NULL; + cancel_work_sync(&wdata->rumble_worker); + spin_lock_irqsave(&wdata->state.lock, flags); wiiproto_req_rumble(wdata, 0); spin_unlock_irqrestore(&wdata->state.lock, flags); - - input_unregister_device(wdata->extension.input); - wdata->extension.input = NULL; } static const struct wiimod_ops wiimod_pro = { diff --git a/drivers/hid/hid-wiimote.h b/drivers/hid/hid-wiimote.h index f1474f372c0b..75db0c400037 100644 --- a/drivers/hid/hid-wiimote.h +++ b/drivers/hid/hid-wiimote.h @@ -133,13 +133,15 @@ struct wiimote_state { __u8 *cmd_read_buf; __u8 cmd_read_size; - /* calibration data */ + /* calibration/cache data */ __u16 calib_bboard[4][3]; + __u8 cache_rumble; }; struct wiimote_data { struct hid_device *hdev; struct input_dev *input; + struct work_struct rumble_worker; struct led_classdev *leds[4]; struct input_dev *accel; struct input_dev *ir; diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 8918dd12bb69..6a6dd5cd7833 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -308,18 +308,25 @@ static int hidraw_fasync(int fd, struct file *file, int on) static void drop_ref(struct hidraw *hidraw, int exists_bit) { if (exists_bit) { - hid_hw_close(hidraw->hid); hidraw->exist = 0; - if (hidraw->open) + if (hidraw->open) { + hid_hw_close(hidraw->hid); wake_up_interruptible(&hidraw->wait); + } } else { --hidraw->open; } - - if (!hidraw->open && !hidraw->exist) { - device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor)); - hidraw_table[hidraw->minor] = NULL; - kfree(hidraw); + if (!hidraw->open) { + if (!hidraw->exist) { + device_destroy(hidraw_class, + MKDEV(hidraw_major, hidraw->minor)); + hidraw_table[hidraw->minor] = NULL; + kfree(hidraw); + } else { + /* close device for last reader */ + hid_hw_power(hidraw->hid, PM_HINT_NORMAL); + hid_hw_close(hidraw->hid); + } } } diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c index 5bf2fb785844..93b00d76374c 100644 --- a/drivers/hid/uhid.c +++ b/drivers/hid/uhid.c @@ -615,7 +615,7 @@ static const struct file_operations uhid_fops = { static struct miscdevice uhid_misc = { .fops = &uhid_fops, - .minor = MISC_DYNAMIC_MINOR, + .minor = UHID_MINOR, .name = UHID_NAME, }; @@ -634,4 +634,5 @@ module_exit(uhid_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("David Herrmann <dh.herrmann@gmail.com>"); MODULE_DESCRIPTION("User-space I/O driver support for HID subsystem"); +MODULE_ALIAS_MISCDEV(UHID_MINOR); MODULE_ALIAS("devname:" UHID_NAME); diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index 98814d12a604..3288f13d2d87 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -230,6 +230,7 @@ static int send_argument(const char *key) static int read_smc(u8 cmd, const char *key, u8 *buffer, u8 len) { + u8 status, data = 0; int i; if (send_command(cmd) || send_argument(key)) { @@ -237,6 +238,7 @@ static int read_smc(u8 cmd, const char *key, u8 *buffer, u8 len) return -EIO; } + /* This has no effect on newer (2012) SMCs */ if (send_byte(len, APPLESMC_DATA_PORT)) { pr_warn("%.4s: read len fail\n", key); return -EIO; @@ -250,6 +252,17 @@ static int read_smc(u8 cmd, const char *key, u8 *buffer, u8 len) buffer[i] = inb(APPLESMC_DATA_PORT); } + /* Read the data port until bit0 is cleared */ + for (i = 0; i < 16; i++) { + udelay(APPLESMC_MIN_WAIT); + status = inb(APPLESMC_CMD_PORT); + if (!(status & 0x01)) + break; + data = inb(APPLESMC_DATA_PORT); + } + if (i) + pr_warn("flushed %d bytes, last value is: %d\n", i, data); + return 0; } diff --git a/drivers/iio/amplifiers/ad8366.c b/drivers/iio/amplifiers/ad8366.c index d0a79a4bce1c..ba6f6a91dfff 100644 --- a/drivers/iio/amplifiers/ad8366.c +++ b/drivers/iio/amplifiers/ad8366.c @@ -185,10 +185,8 @@ static int ad8366_remove(struct spi_device *spi) iio_device_unregister(indio_dev); - if (!IS_ERR(reg)) { + if (!IS_ERR(reg)) regulator_disable(reg); - regulator_put(reg); - } return 0; } diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 8e84cd522e49..f95c6979efd8 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -852,7 +852,6 @@ static void iio_dev_release(struct device *device) iio_device_unregister_trigger_consumer(indio_dev); iio_device_unregister_eventset(indio_dev); iio_device_unregister_sysfs(indio_dev); - iio_device_unregister_debugfs(indio_dev); ida_simple_remove(&iio_ida, indio_dev->id); kfree(indio_dev); @@ -1087,6 +1086,7 @@ void iio_device_unregister(struct iio_dev *indio_dev) if (indio_dev->chrdev.dev) cdev_del(&indio_dev->chrdev); + iio_device_unregister_debugfs(indio_dev); iio_disable_all_buffers(indio_dev); diff --git a/drivers/iio/magnetometer/st_magn_core.c b/drivers/iio/magnetometer/st_magn_core.c index e8d2849cc81d..cab3bc7494a2 100644 --- a/drivers/iio/magnetometer/st_magn_core.c +++ b/drivers/iio/magnetometer/st_magn_core.c @@ -29,9 +29,9 @@ #define ST_MAGN_NUMBER_DATA_CHANNELS 3 /* DEFAULT VALUE FOR SENSORS */ -#define ST_MAGN_DEFAULT_OUT_X_L_ADDR 0X04 -#define ST_MAGN_DEFAULT_OUT_Y_L_ADDR 0X08 -#define ST_MAGN_DEFAULT_OUT_Z_L_ADDR 0X06 +#define ST_MAGN_DEFAULT_OUT_X_H_ADDR 0X03 +#define ST_MAGN_DEFAULT_OUT_Y_H_ADDR 0X07 +#define ST_MAGN_DEFAULT_OUT_Z_H_ADDR 0X05 /* FULLSCALE */ #define ST_MAGN_FS_AVL_1300MG 1300 @@ -117,16 +117,16 @@ static const struct iio_chan_spec st_magn_16bit_channels[] = { ST_SENSORS_LSM_CHANNELS(IIO_MAGN, BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), - ST_SENSORS_SCAN_X, 1, IIO_MOD_X, 's', IIO_LE, 16, 16, - ST_MAGN_DEFAULT_OUT_X_L_ADDR), + ST_SENSORS_SCAN_X, 1, IIO_MOD_X, 's', IIO_BE, 16, 16, + ST_MAGN_DEFAULT_OUT_X_H_ADDR), ST_SENSORS_LSM_CHANNELS(IIO_MAGN, BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), - ST_SENSORS_SCAN_Y, 1, IIO_MOD_Y, 's', IIO_LE, 16, 16, - ST_MAGN_DEFAULT_OUT_Y_L_ADDR), + ST_SENSORS_SCAN_Y, 1, IIO_MOD_Y, 's', IIO_BE, 16, 16, + ST_MAGN_DEFAULT_OUT_Y_H_ADDR), ST_SENSORS_LSM_CHANNELS(IIO_MAGN, BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), - ST_SENSORS_SCAN_Z, 1, IIO_MOD_Z, 's', IIO_LE, 16, 16, - ST_MAGN_DEFAULT_OUT_Z_L_ADDR), + ST_SENSORS_SCAN_Z, 1, IIO_MOD_Z, 's', IIO_BE, 16, 16, + ST_MAGN_DEFAULT_OUT_Z_H_ADDR), IIO_CHAN_SOFT_TIMESTAMP(3) }; diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 653ac6bfc57a..6c923c7039a1 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -1588,7 +1588,7 @@ static int srpt_build_tskmgmt_rsp(struct srpt_rdma_ch *ch, int resp_data_len; int resp_len; - resp_data_len = (rsp_code == SRP_TSK_MGMT_SUCCESS) ? 0 : 4; + resp_data_len = 4; resp_len = sizeof(*srp_rsp) + resp_data_len; srp_rsp = ioctx->ioctx.buf; @@ -1600,11 +1600,9 @@ static int srpt_build_tskmgmt_rsp(struct srpt_rdma_ch *ch, + atomic_xchg(&ch->req_lim_delta, 0)); srp_rsp->tag = tag; - if (rsp_code != SRP_TSK_MGMT_SUCCESS) { - srp_rsp->flags |= SRP_RSP_FLAG_RSPVALID; - srp_rsp->resp_data_len = cpu_to_be32(resp_data_len); - srp_rsp->data[3] = rsp_code; - } + srp_rsp->flags |= SRP_RSP_FLAG_RSPVALID; + srp_rsp->resp_data_len = cpu_to_be32(resp_data_len); + srp_rsp->data[3] = rsp_code; return resp_len; } @@ -2358,6 +2356,8 @@ static void srpt_release_channel_work(struct work_struct *w) transport_deregister_session(se_sess); ch->sess = NULL; + ib_destroy_cm_id(ch->cm_id); + srpt_destroy_ch_ib(ch); srpt_free_ioctx_ring((struct srpt_ioctx **)ch->ioctx_ring, @@ -2368,8 +2368,6 @@ static void srpt_release_channel_work(struct work_struct *w) list_del(&ch->list); spin_unlock_irq(&sdev->spinlock); - ib_destroy_cm_id(ch->cm_id); - if (ch->release_done) complete(ch->release_done); diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 71eb233b9ace..b6a74bcbb08f 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -996,6 +996,7 @@ static void request_write(struct cached_dev *dc, struct search *s) closure_bio_submit(bio, cl, s->d); } else { bch_writeback_add(dc); + s->op.cache_bio = bio; if (bio->bi_rw & REQ_FLUSH) { /* Also need to send a flush to the backing device */ @@ -1008,8 +1009,6 @@ static void request_write(struct cached_dev *dc, struct search *s) flush->bi_private = cl; closure_bio_submit(flush, cl, s->d); - } else { - s->op.cache_bio = bio; } } out: diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 26b14f9fcac6..6bc9618af094 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -168,12 +168,25 @@ static inline int write_disable(struct m25p *flash) */ static inline int set_4byte(struct m25p *flash, u32 jedec_id, int enable) { + int status; + bool need_wren = false; + switch (JEDEC_MFR(jedec_id)) { - case CFI_MFR_MACRONIX: case CFI_MFR_ST: /* Micron, actually */ + /* Some Micron need WREN command; all will accept it */ + need_wren = true; + case CFI_MFR_MACRONIX: case 0xEF /* winbond */: + if (need_wren) + write_enable(flash); + flash->command[0] = enable ? OPCODE_EN4B : OPCODE_EX4B; - return spi_write(flash->spi, flash->command, 1); + status = spi_write(flash->spi, flash->command, 1); + + if (need_wren) + write_disable(flash); + + return status; default: /* Spansion style */ flash->command[0] = OPCODE_BRWR; diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 7ed4841327f2..d340b2f198c6 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2869,10 +2869,8 @@ static int nand_flash_detect_ext_param_page(struct mtd_info *mtd, len = le16_to_cpu(p->ext_param_page_length) * 16; ep = kmalloc(len, GFP_KERNEL); - if (!ep) { - ret = -ENOMEM; - goto ext_out; - } + if (!ep) + return -ENOMEM; /* Send our own NAND_CMD_PARAM. */ chip->cmdfunc(mtd, NAND_CMD_PARAM, 0, -1); @@ -2920,7 +2918,7 @@ static int nand_flash_detect_ext_param_page(struct mtd_info *mtd, } pr_info("ONFI extended param page detected.\n"); - return 0; + ret = 0; ext_out: kfree(ep); diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c index 8cd34bf644b3..77df9cb00688 100644 --- a/drivers/s390/char/sclp_cmd.c +++ b/drivers/s390/char/sclp_cmd.c @@ -145,9 +145,11 @@ bool __init sclp_has_linemode(void) if (sccb->header.response_code != 0x20) return 0; - if (sccb->sclp_send_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK)) - return 1; - return 0; + if (!(sccb->sclp_send_mask & (EVTYP_OPCMD_MASK | EVTYP_PMSGCMD_MASK))) + return 0; + if (!(sccb->sclp_receive_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK))) + return 0; + return 1; } bool __init sclp_has_vt220(void) diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c index a0f47c83fd62..3f4ca4e09a4c 100644 --- a/drivers/s390/char/tty3270.c +++ b/drivers/s390/char/tty3270.c @@ -810,7 +810,7 @@ static void tty3270_resize_work(struct work_struct *work) struct winsize ws; screen = tty3270_alloc_screen(tp->n_rows, tp->n_cols); - if (!screen) + if (IS_ERR(screen)) return; /* Switch to new output size */ spin_lock_bh(&tp->view.lock); diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index fd7cc566095a..d4ac60b4a56e 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -1583,7 +1583,7 @@ static int atmel_spi_probe(struct platform_device *pdev) /* Initialize the hardware */ ret = clk_prepare_enable(clk); if (ret) - goto out_unmap_regs; + goto out_free_irq; spi_writel(as, CR, SPI_BIT(SWRST)); spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */ if (as->caps.has_wdrbt) { @@ -1614,6 +1614,7 @@ out_free_dma: spi_writel(as, CR, SPI_BIT(SWRST)); spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */ clk_disable_unprepare(clk); +out_free_irq: free_irq(irq, master); out_unmap_regs: iounmap(as->regs); diff --git a/drivers/spi/spi-clps711x.c b/drivers/spi/spi-clps711x.c index 5655acf55bfe..6416798828e7 100644 --- a/drivers/spi/spi-clps711x.c +++ b/drivers/spi/spi-clps711x.c @@ -226,7 +226,6 @@ static int spi_clps711x_probe(struct platform_device *pdev) dev_name(&pdev->dev), hw); if (ret) { dev_err(&pdev->dev, "Can't request IRQ\n"); - clk_put(hw->spi_clk); goto clk_out; } @@ -247,7 +246,6 @@ err_out: gpio_free(hw->chipselect[i]); spi_master_put(master); - kfree(master); return ret; } @@ -263,7 +261,6 @@ static int spi_clps711x_remove(struct platform_device *pdev) gpio_free(hw->chipselect[i]); spi_unregister_master(master); - kfree(master); return 0; } diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 6cd07d13ecab..4e44575bd87a 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -476,15 +476,9 @@ static int dspi_probe(struct platform_device *pdev) master->bus_num = bus_num; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "can't get platform resource\n"); - ret = -EINVAL; - goto out_master_put; - } - dspi->base = devm_ioremap_resource(&pdev->dev, res); - if (!dspi->base) { - ret = -EINVAL; + if (IS_ERR(dspi->base)) { + ret = PTR_ERR(dspi->base); goto out_master_put; } diff --git a/drivers/spi/spi-mpc512x-psc.c b/drivers/spi/spi-mpc512x-psc.c index dbc5e999a1f5..6adf4e35816d 100644 --- a/drivers/spi/spi-mpc512x-psc.c +++ b/drivers/spi/spi-mpc512x-psc.c @@ -522,8 +522,10 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, psc_num = master->bus_num; snprintf(clk_name, sizeof(clk_name), "psc%d_mclk", psc_num); clk = devm_clk_get(dev, clk_name); - if (IS_ERR(clk)) + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); goto free_irq; + } ret = clk_prepare_enable(clk); if (ret) goto free_irq; diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 2eb06ee0b326..c1a50674c1e3 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -546,8 +546,17 @@ static irqreturn_t ssp_int(int irq, void *dev_id) if (pm_runtime_suspended(&drv_data->pdev->dev)) return IRQ_NONE; - sccr1_reg = read_SSCR1(reg); + /* + * If the device is not yet in RPM suspended state and we get an + * interrupt that is meant for another device, check if status bits + * are all set to one. That means that the device is already + * powered off. + */ status = read_SSSR(reg); + if (status == ~0) + return IRQ_NONE; + + sccr1_reg = read_SSCR1(reg); /* Ignore possible writes if we don't need to write */ if (!(sccr1_reg & SSCR1_TIE)) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 512b8893893b..a80376dc3a10 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -1428,6 +1428,8 @@ static int s3c64xx_spi_probe(struct platform_device *pdev) S3C64XX_SPI_INT_TX_OVERRUN_EN | S3C64XX_SPI_INT_TX_UNDERRUN_EN, sdd->regs + S3C64XX_SPI_INT_EN); + pm_runtime_enable(&pdev->dev); + if (spi_register_master(master)) { dev_err(&pdev->dev, "cannot register SPI master\n"); ret = -EBUSY; @@ -1440,8 +1442,6 @@ static int s3c64xx_spi_probe(struct platform_device *pdev) mem_res, sdd->rx_dma.dmach, sdd->tx_dma.dmach); - pm_runtime_enable(&pdev->dev); - return 0; err3: diff --git a/drivers/spi/spi-sh-hspi.c b/drivers/spi/spi-sh-hspi.c index 0b68cb592fa4..e488a90a98b8 100644 --- a/drivers/spi/spi-sh-hspi.c +++ b/drivers/spi/spi-sh-hspi.c @@ -296,6 +296,8 @@ static int hspi_probe(struct platform_device *pdev) goto error1; } + pm_runtime_enable(&pdev->dev); + master->num_chipselect = 1; master->bus_num = pdev->id; master->setup = hspi_setup; @@ -309,8 +311,6 @@ static int hspi_probe(struct platform_device *pdev) goto error1; } - pm_runtime_enable(&pdev->dev); - return 0; error1: diff --git a/drivers/staging/comedi/drivers/ni_65xx.c b/drivers/staging/comedi/drivers/ni_65xx.c index 3ba4c5712dff..853f62b2b1a9 100644 --- a/drivers/staging/comedi/drivers/ni_65xx.c +++ b/drivers/staging/comedi/drivers/ni_65xx.c @@ -369,28 +369,23 @@ static int ni_65xx_dio_insn_bits(struct comedi_device *dev, { const struct ni_65xx_board *board = comedi_board(dev); struct ni_65xx_private *devpriv = dev->private; - unsigned base_bitfield_channel; - const unsigned max_ports_per_bitfield = 5; + int base_bitfield_channel; unsigned read_bits = 0; - unsigned j; + int last_port_offset = ni_65xx_port_by_channel(s->n_chan - 1); + int port_offset; base_bitfield_channel = CR_CHAN(insn->chanspec); - for (j = 0; j < max_ports_per_bitfield; ++j) { - const unsigned port_offset = - ni_65xx_port_by_channel(base_bitfield_channel) + j; - const unsigned port = - sprivate(s)->base_port + port_offset; - unsigned base_port_channel; + for (port_offset = ni_65xx_port_by_channel(base_bitfield_channel); + port_offset <= last_port_offset; port_offset++) { + unsigned port = sprivate(s)->base_port + port_offset; + int base_port_channel = port_offset * ni_65xx_channels_per_port; unsigned port_mask, port_data, port_read_bits; - int bitshift; - if (port >= ni_65xx_total_num_ports(board)) + int bitshift = base_port_channel - base_bitfield_channel; + + if (bitshift >= 32) break; - base_port_channel = port_offset * ni_65xx_channels_per_port; port_mask = data[0]; port_data = data[1]; - bitshift = base_port_channel - base_bitfield_channel; - if (bitshift >= 32 || bitshift <= -32) - break; if (bitshift > 0) { port_mask >>= bitshift; port_data >>= bitshift; diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 35b61f7d6c63..38e44b9abf0f 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -753,7 +753,8 @@ static void iscsit_unmap_iovec(struct iscsi_cmd *cmd) static void iscsit_ack_from_expstatsn(struct iscsi_conn *conn, u32 exp_statsn) { - struct iscsi_cmd *cmd; + LIST_HEAD(ack_list); + struct iscsi_cmd *cmd, *cmd_p; conn->exp_statsn = exp_statsn; @@ -761,19 +762,23 @@ static void iscsit_ack_from_expstatsn(struct iscsi_conn *conn, u32 exp_statsn) return; spin_lock_bh(&conn->cmd_lock); - list_for_each_entry(cmd, &conn->conn_cmd_list, i_conn_node) { + list_for_each_entry_safe(cmd, cmd_p, &conn->conn_cmd_list, i_conn_node) { spin_lock(&cmd->istate_lock); if ((cmd->i_state == ISTATE_SENT_STATUS) && iscsi_sna_lt(cmd->stat_sn, exp_statsn)) { cmd->i_state = ISTATE_REMOVE; spin_unlock(&cmd->istate_lock); - iscsit_add_cmd_to_immediate_queue(cmd, conn, - cmd->i_state); + list_move_tail(&cmd->i_conn_node, &ack_list); continue; } spin_unlock(&cmd->istate_lock); } spin_unlock_bh(&conn->cmd_lock); + + list_for_each_entry_safe(cmd, cmd_p, &ack_list, i_conn_node) { + list_del(&cmd->i_conn_node); + iscsit_free_cmd(cmd, false); + } } static int iscsit_allocate_iovecs(struct iscsi_cmd *cmd) diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index 14d1aed5af1d..ef6d836a4d09 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -1192,7 +1192,7 @@ get_target: */ alloc_tags: tag_num = max_t(u32, ISCSIT_MIN_TAGS, queue_depth); - tag_num += ISCSIT_EXTRA_TAGS; + tag_num += (tag_num / 2) + ISCSIT_EXTRA_TAGS; tag_size = sizeof(struct iscsi_cmd) + conn->conn_transport->priv_size; ret = transport_alloc_session_tags(sess->se_sess, tag_num, tag_size); diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index f2de28e178fd..b0cac0c342e1 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -736,7 +736,7 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown) * Fallthrough */ case ISCSI_OP_SCSI_TMFUNC: - rc = transport_generic_free_cmd(&cmd->se_cmd, 1); + rc = transport_generic_free_cmd(&cmd->se_cmd, shutdown); if (!rc && shutdown && se_cmd && se_cmd->se_sess) { __iscsit_free_cmd(cmd, true, shutdown); target_put_sess_cmd(se_cmd->se_sess, se_cmd); @@ -752,7 +752,7 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown) se_cmd = &cmd->se_cmd; __iscsit_free_cmd(cmd, true, shutdown); - rc = transport_generic_free_cmd(&cmd->se_cmd, 1); + rc = transport_generic_free_cmd(&cmd->se_cmd, shutdown); if (!rc && shutdown && se_cmd->se_sess) { __iscsit_free_cmd(cmd, true, shutdown); target_put_sess_cmd(se_cmd->se_sess, se_cmd); diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 6c17295e8d7c..4714c6f8da4b 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -349,7 +349,16 @@ static sense_reason_t compare_and_write_post(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; - cmd->se_cmd_flags |= SCF_COMPARE_AND_WRITE_POST; + /* + * Only set SCF_COMPARE_AND_WRITE_POST to force a response fall-through + * within target_complete_ok_work() if the command was successfully + * sent to the backend driver. + */ + spin_lock_irq(&cmd->t_state_lock); + if ((cmd->transport_state & CMD_T_SENT) && !cmd->scsi_status) + cmd->se_cmd_flags |= SCF_COMPARE_AND_WRITE_POST; + spin_unlock_irq(&cmd->t_state_lock); + /* * Unlock ->caw_sem originally obtained during sbc_compare_and_write() * before the original READ I/O submission. @@ -363,7 +372,7 @@ static sense_reason_t compare_and_write_callback(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; struct scatterlist *write_sg = NULL, *sg; - unsigned char *buf, *addr; + unsigned char *buf = NULL, *addr; struct sg_mapping_iter m; unsigned int offset = 0, len; unsigned int nlbas = cmd->t_task_nolb; @@ -378,6 +387,15 @@ static sense_reason_t compare_and_write_callback(struct se_cmd *cmd) */ if (!cmd->t_data_sg || !cmd->t_bidi_data_sg) return TCM_NO_SENSE; + /* + * Immediately exit + release dev->caw_sem if command has already + * been failed with a non-zero SCSI status. + */ + if (cmd->scsi_status) { + pr_err("compare_and_write_callback: non zero scsi_status:" + " 0x%02x\n", cmd->scsi_status); + goto out; + } buf = kzalloc(cmd->data_length, GFP_KERNEL); if (!buf) { @@ -508,6 +526,12 @@ sbc_compare_and_write(struct se_cmd *cmd) cmd->transport_complete_callback = NULL; return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; } + /* + * Reset cmd->data_length to individual block_size in order to not + * confuse backend drivers that depend on this value matching the + * size of the I/O being submitted. + */ + cmd->data_length = cmd->t_task_nolb * dev->dev_attrib.block_size; ret = cmd->execute_rw(cmd, cmd->t_bidi_data_sg, cmd->t_bidi_data_nents, DMA_FROM_DEVICE); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 84747cc1aac0..81e945eefbbd 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -236,17 +236,24 @@ int transport_alloc_session_tags(struct se_session *se_sess, { int rc; - se_sess->sess_cmd_map = kzalloc(tag_num * tag_size, GFP_KERNEL); + se_sess->sess_cmd_map = kzalloc(tag_num * tag_size, + GFP_KERNEL | __GFP_NOWARN | __GFP_REPEAT); if (!se_sess->sess_cmd_map) { - pr_err("Unable to allocate se_sess->sess_cmd_map\n"); - return -ENOMEM; + se_sess->sess_cmd_map = vzalloc(tag_num * tag_size); + if (!se_sess->sess_cmd_map) { + pr_err("Unable to allocate se_sess->sess_cmd_map\n"); + return -ENOMEM; + } } rc = percpu_ida_init(&se_sess->sess_tag_pool, tag_num); if (rc < 0) { pr_err("Unable to init se_sess->sess_tag_pool," " tag_num: %u\n", tag_num); - kfree(se_sess->sess_cmd_map); + if (is_vmalloc_addr(se_sess->sess_cmd_map)) + vfree(se_sess->sess_cmd_map); + else + kfree(se_sess->sess_cmd_map); se_sess->sess_cmd_map = NULL; return -ENOMEM; } @@ -412,7 +419,10 @@ void transport_free_session(struct se_session *se_sess) { if (se_sess->sess_cmd_map) { percpu_ida_destroy(&se_sess->sess_tag_pool); - kfree(se_sess->sess_cmd_map); + if (is_vmalloc_addr(se_sess->sess_cmd_map)) + vfree(se_sess->sess_cmd_map); + else + kfree(se_sess->sess_cmd_map); } kmem_cache_free(se_sess_cache, se_sess); } diff --git a/drivers/target/target_core_xcopy.c b/drivers/target/target_core_xcopy.c index 4d22e7d2adca..3da4fd10b9f8 100644 --- a/drivers/target/target_core_xcopy.c +++ b/drivers/target/target_core_xcopy.c @@ -298,8 +298,8 @@ static int target_xcopy_parse_segdesc_02(struct se_cmd *se_cmd, struct xcopy_op (unsigned long long)xop->dst_lba); if (dc != 0) { - xop->dbl = (desc[29] << 16) & 0xff; - xop->dbl |= (desc[30] << 8) & 0xff; + xop->dbl = (desc[29] & 0xff) << 16; + xop->dbl |= (desc[30] & 0xff) << 8; xop->dbl |= desc[31] & 0xff; pr_debug("XCOPY seg desc 0x02: DC=1 w/ dbl: %u\n", xop->dbl); diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c index e61c36cbb866..c193af6a628f 100644 --- a/drivers/tty/hvc/hvc_xen.c +++ b/drivers/tty/hvc/hvc_xen.c @@ -636,6 +636,7 @@ struct console xenboot_console = { .name = "xenboot", .write = xenboot_write_console, .flags = CON_PRINTBUFFER | CON_BOOT | CON_ANYTIME, + .index = -1, }; #endif /* CONFIG_EARLY_PRINTK */ diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 01bf5eb4f238..7a744b69c3d1 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -2183,28 +2183,34 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file, if (!input_available_p(tty, 0)) { if (test_bit(TTY_OTHER_CLOSED, &tty->flags)) { - retval = -EIO; - break; - } - if (tty_hung_up_p(file)) - break; - if (!timeout) - break; - if (file->f_flags & O_NONBLOCK) { - retval = -EAGAIN; - break; - } - if (signal_pending(current)) { - retval = -ERESTARTSYS; - break; - } - n_tty_set_room(tty); - up_read(&tty->termios_rwsem); + up_read(&tty->termios_rwsem); + tty_flush_to_ldisc(tty); + down_read(&tty->termios_rwsem); + if (!input_available_p(tty, 0)) { + retval = -EIO; + break; + } + } else { + if (tty_hung_up_p(file)) + break; + if (!timeout) + break; + if (file->f_flags & O_NONBLOCK) { + retval = -EAGAIN; + break; + } + if (signal_pending(current)) { + retval = -ERESTARTSYS; + break; + } + n_tty_set_room(tty); + up_read(&tty->termios_rwsem); - timeout = schedule_timeout(timeout); + timeout = schedule_timeout(timeout); - down_read(&tty->termios_rwsem); - continue; + down_read(&tty->termios_rwsem); + continue; + } } __set_current_state(TASK_RUNNING); diff --git a/drivers/usb/chipidea/ci_hdrc_pci.c b/drivers/usb/chipidea/ci_hdrc_pci.c index 042320a6c6c7..d514332ac081 100644 --- a/drivers/usb/chipidea/ci_hdrc_pci.c +++ b/drivers/usb/chipidea/ci_hdrc_pci.c @@ -129,7 +129,12 @@ static DEFINE_PCI_DEVICE_TABLE(ci_hdrc_pci_id_table) = { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0829), .driver_data = (kernel_ulong_t)&penwell_pci_platdata, }, - { 0, 0, 0, 0, 0, 0, 0 /* end: all zeroes */ } + { + /* Intel Clovertrail */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe006), + .driver_data = (kernel_ulong_t)&penwell_pci_platdata, + }, + { 0 } /* end: all zeroes */ }; MODULE_DEVICE_TABLE(pci, ci_hdrc_pci_id_table); diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 0658908d8968..44cf775a8627 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -2256,6 +2256,8 @@ static int ffs_func_bind(struct usb_configuration *c, data->raw_descs + ret, (sizeof data->raw_descs) - ret, __ffs_func_bind_do_descs, func); + if (unlikely(ret < 0)) + goto error; } /* diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c index cc9207473dbc..0ac6064aa3b8 100644 --- a/drivers/usb/gadget/pxa25x_udc.c +++ b/drivers/usb/gadget/pxa25x_udc.c @@ -2054,7 +2054,7 @@ static struct pxa25x_udc memory = { /* * probe - binds to the platform device */ -static int __init pxa25x_udc_probe(struct platform_device *pdev) +static int pxa25x_udc_probe(struct platform_device *pdev) { struct pxa25x_udc *dev = &memory; int retval, irq; @@ -2203,7 +2203,7 @@ static void pxa25x_udc_shutdown(struct platform_device *_dev) pullup_off(); } -static int __exit pxa25x_udc_remove(struct platform_device *pdev) +static int pxa25x_udc_remove(struct platform_device *pdev) { struct pxa25x_udc *dev = platform_get_drvdata(pdev); @@ -2294,7 +2294,8 @@ static int pxa25x_udc_resume(struct platform_device *dev) static struct platform_driver udc_driver = { .shutdown = pxa25x_udc_shutdown, - .remove = __exit_p(pxa25x_udc_remove), + .probe = pxa25x_udc_probe, + .remove = pxa25x_udc_remove, .suspend = pxa25x_udc_suspend, .resume = pxa25x_udc_resume, .driver = { @@ -2303,7 +2304,7 @@ static struct platform_driver udc_driver = { }, }; -module_platform_driver_probe(udc_driver, pxa25x_udc_probe); +module_platform_driver(udc_driver); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_AUTHOR("Frank Becker, Robert Schwebel, David Brownell"); diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index 6bddf1aa2347..a8a99e4748d5 100644 --- a/drivers/usb/gadget/s3c-hsotg.c +++ b/drivers/usb/gadget/s3c-hsotg.c @@ -543,7 +543,7 @@ static int s3c_hsotg_write_fifo(struct s3c_hsotg *hsotg, * FIFO, requests of >512 cause the endpoint to get stuck with a * fragment of the end of the transfer in it. */ - if (can_write > 512) + if (can_write > 512 && !periodic) can_write = 512; /* diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 4047cbb91bac..bd4138d80a48 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -535,6 +535,9 @@ static int dsps_probe(struct platform_device *pdev) struct dsps_glue *glue; int ret; + if (!strcmp(pdev->name, "musb-hdrc")) + return -ENODEV; + match = of_match_node(musb_dsps_of_match, pdev->dev.of_node); if (!match) { dev_err(&pdev->dev, "fail to get matching of_match struct\n"); diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 9a08679d204d..b19ed213ab85 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1790,6 +1790,10 @@ int musb_gadget_setup(struct musb *musb) musb->g.max_speed = USB_SPEED_HIGH; musb->g.speed = USB_SPEED_UNKNOWN; + MUSB_DEV_MODE(musb); + musb->xceiv->otg->default_a = 0; + musb->xceiv->state = OTG_STATE_B_IDLE; + /* this "gadget" abstracts/virtualizes the controller */ musb->g.name = musb_driver_name; musb->g.is_otg = 1; @@ -1849,7 +1853,6 @@ static int musb_gadget_start(struct usb_gadget *g, musb->gadget_driver = driver; spin_lock_irqsave(&musb->lock, flags); - musb->is_active = 1; otg_set_peripheral(otg, &musb->g); musb->xceiv->state = OTG_STATE_B_IDLE; diff --git a/drivers/usb/phy/phy-gpio-vbus-usb.c b/drivers/usb/phy/phy-gpio-vbus-usb.c index b2f29c9aebbf..02799a5efcd4 100644 --- a/drivers/usb/phy/phy-gpio-vbus-usb.c +++ b/drivers/usb/phy/phy-gpio-vbus-usb.c @@ -241,7 +241,7 @@ static int gpio_vbus_set_suspend(struct usb_phy *phy, int suspend) /* platform driver interface */ -static int __init gpio_vbus_probe(struct platform_device *pdev) +static int gpio_vbus_probe(struct platform_device *pdev) { struct gpio_vbus_mach_info *pdata = dev_get_platdata(&pdev->dev); struct gpio_vbus_data *gpio_vbus; @@ -349,7 +349,7 @@ err_gpio: return err; } -static int __exit gpio_vbus_remove(struct platform_device *pdev) +static int gpio_vbus_remove(struct platform_device *pdev) { struct gpio_vbus_data *gpio_vbus = platform_get_drvdata(pdev); struct gpio_vbus_mach_info *pdata = dev_get_platdata(&pdev->dev); @@ -398,8 +398,6 @@ static const struct dev_pm_ops gpio_vbus_dev_pm_ops = { }; #endif -/* NOTE: the gpio-vbus device may *NOT* be hotplugged */ - MODULE_ALIAS("platform:gpio-vbus"); static struct platform_driver gpio_vbus_driver = { @@ -410,10 +408,11 @@ static struct platform_driver gpio_vbus_driver = { .pm = &gpio_vbus_dev_pm_ops, #endif }, - .remove = __exit_p(gpio_vbus_remove), + .probe = gpio_vbus_probe, + .remove = gpio_vbus_remove, }; -module_platform_driver_probe(gpio_vbus_driver, gpio_vbus_probe); +module_platform_driver(gpio_vbus_driver); MODULE_DESCRIPTION("simple GPIO controlled OTG transceiver driver"); MODULE_AUTHOR("Philipp Zabel"); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 1cf6f125f5f0..80a7104d5ddb 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -81,6 +81,7 @@ static void option_instat_callback(struct urb *urb); #define HUAWEI_VENDOR_ID 0x12D1 #define HUAWEI_PRODUCT_E173 0x140C +#define HUAWEI_PRODUCT_E1750 0x1406 #define HUAWEI_PRODUCT_K4505 0x1464 #define HUAWEI_PRODUCT_K3765 0x1465 #define HUAWEI_PRODUCT_K4605 0x14C6 @@ -567,6 +568,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c23, USB_CLASS_COMM, 0x02, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t) &net_intf1_blacklist }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1750, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t) &net_intf2_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1441, USB_CLASS_COMM, 0x02, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1442, USB_CLASS_COMM, 0x02, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4505, 0xff, 0xff, 0xff), diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index 592b31698fc8..ce5221fa393a 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -728,7 +728,12 @@ vhost_scsi_get_tag(struct vhost_virtqueue *vq, } se_sess = tv_nexus->tvn_se_sess; - tag = percpu_ida_alloc(&se_sess->sess_tag_pool, GFP_KERNEL); + tag = percpu_ida_alloc(&se_sess->sess_tag_pool, GFP_ATOMIC); + if (tag < 0) { + pr_err("Unable to obtain tag for tcm_vhost_cmd\n"); + return ERR_PTR(-ENOMEM); + } + cmd = &((struct tcm_vhost_cmd *)se_sess->sess_cmd_map)[tag]; sg = cmd->tvc_sgl; pages = cmd->tvc_upages; diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index 5be5e3d14f79..19f3c3fc65f4 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -802,6 +802,12 @@ static int hpwdt_init_one(struct pci_dev *dev, return -ENODEV; } + /* + * Ignore all auxilary iLO devices with the following PCI ID + */ + if (dev->subsystem_device == 0x1979) + return -ENODEV; + if (pci_enable_device(dev)) { dev_warn(&dev->dev, "Not possible to enable PCI Device: 0x%x:0x%x.\n", |