82 files changed, 401 insertions, 339 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 22327e6a7236..5ea5c32609ac 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -24,7 +24,7 @@ menuconfig ACPI
          are configured, ACPI is used.
          The project home page for the Linux ACPI subsystem is here:
-          <http://www.lesswatts.org/projects/acpi/>
+          <https://01.org/linux-acpi>
          Linux support for ACPI is based on Intel Corporation's ACPI
          Component Architecture (ACPI CA).  For more information on the
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/dma/edma.c b/drivers/dma/edma.c
index 098a8da450f0..3519111c566b 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -306,6 +306,7 @@ static struct dma_async_tx_descriptor *edma_prep_slave_sg(
                                                EDMA_SLOT_ANY);
                        if (echan->slot[i] < 0) {
                                dev_err(dev, "Failed to allocate slot\n");
+                                kfree(edesc);
                                return NULL;
                        }
                }
diff --git a/drivers/dma/sh/rcar-hpbdma.c b/drivers/dma/sh/rcar-hpbdma.c
index 45a520281ce1..ebad84591a6e 100644
--- a/drivers/dma/sh/rcar-hpbdma.c
+++ b/drivers/dma/sh/rcar-hpbdma.c
@@ -93,6 +93,7 @@ struct hpb_dmae_chan {
        void __iomem *base;
        const struct hpb_dmae_slave_config *cfg;
        char dev_id[16];                /* unique name per DMAC of channel */
+        dma_addr_t slave_addr;
 };
 struct hpb_dmae_device {
@@ -432,7 +433,6 @@ hpb_dmae_alloc_chan_resources(struct hpb_dmae_chan *hpb_chan,
                hpb_chan->xfer_mode = XFER_DOUBLE;
        } else {
                dev_err(hpb_chan->shdma_chan.dev, "DCR setting error");
-                shdma_free_irq(&hpb_chan->shdma_chan);
                return -EINVAL;
        }
@@ -446,7 +446,8 @@ hpb_dmae_alloc_chan_resources(struct hpb_dmae_chan *hpb_chan,
        return 0;
 }
-static int hpb_dmae_set_slave(struct shdma_chan *schan, int slave_id, bool try)
+static int hpb_dmae_set_slave(struct shdma_chan *schan, int slave_id,
+                              dma_addr_t slave_addr, bool try)
 {
        struct hpb_dmae_chan *chan = to_chan(schan);
        const struct hpb_dmae_slave_config *sc =
@@ -457,6 +458,7 @@ static int hpb_dmae_set_slave(struct shdma_chan *schan, int slave_id, bool try)
        if (try)
                return 0;
        chan->cfg = sc;
+        chan->slave_addr = slave_addr ? : sc->addr;
        return hpb_dmae_alloc_chan_resources(chan, sc);
 }
@@ -468,7 +470,7 @@ static dma_addr_t hpb_dmae_slave_addr(struct shdma_chan *schan)
 {
        struct hpb_dmae_chan *chan = to_chan(schan);
-        return chan->cfg->addr;
+        return chan->slave_addr;
 }
 static struct shdma_desc *hpb_dmae_embedded_desc(void *buf, int i)
@@ -614,7 +616,6 @@ static void hpb_dmae_chan_remove(struct hpb_dmae_device *hpbdev)
        shdma_for_each_chan(schan, &hpbdev->shdma_dev, i) {
                BUG_ON(!schan);
-                shdma_free_irq(schan);
                shdma_chan_remove(schan);
        }
        dma_dev->chancnt = 0;
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);
-                ret = vga_client_register(dev->pdev, dev, NULL,
+        if (ret && ret != -ENODEV)
-                                          i915_vga_set_decode);
+                goto out;
-                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)
+        if (connector->encoder)
-                intel_encoder_dpms(encoder, mode);
+                intel_encoder_dpms(to_intel_encoder(connector->encoder), mode);
-        else
-                WARN_ON(encoder->connectors_active != false);
        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_AUTO_SEND); /* allow hw to sent ACR packets when required */
-               HDMI_ACR_SOURCE); /* select SW CTS value */
        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)
+        u64 n;
-                *CTS = clock * N / (128 * freq) * 1000;
+        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 - XXX verify that hw CTS works on all families */
-               HDMI0_ACR_SOURCE); /* select SW CTS value */
+               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;
+        unsigned n, size;
-        int r, ring;
+        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);
+        /* Locking state.lock here might deadlock with input_event() calls.
-        wiiproto_req_rumble(wdata, value);
+         * schedule_work acts as barrier. Merging multiple changes is fine. */
-        spin_unlock_irqrestore(&wdata->state.lock, flags);
+        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);
+        /* Locking state.lock here might deadlock with input_event() calls.
-        wiiproto_req_rumble(wdata, value);
+         * schedule_work acts as barrier. Merging multiple changes is fine. */
-        spin_unlock_irqrestore(&wdata->state.lock, flags);
+        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) {
-        if (!hidraw->open && !hidraw->exist) {
+                if (!hidraw->exist) {
-                device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor));
+                        device_destroy(hidraw_class,
-                hidraw_table[hidraw->minor] = NULL;
+                                        MKDEV(hidraw_major, hidraw->minor));
-                kfree(hidraw);
+                        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/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 4c1b60539a25..0aa01136f8d9 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -270,7 +270,8 @@ static SIMPLE_DEV_PM_OPS(dw_i2c_dev_pm_ops, dw_i2c_suspend, dw_i2c_resume);
 MODULE_ALIAS("platform:i2c_designware");
 static struct platform_driver dw_i2c_driver = {
-        .remove         = dw_i2c_remove,
+        .probe = dw_i2c_probe,
+        .remove = dw_i2c_remove,
        .driver         = {
                .name   = "i2c_designware",
                .owner  = THIS_MODULE,
@@ -282,7 +283,7 @@ static struct platform_driver dw_i2c_driver = {
 static int __init dw_i2c_init_driver(void)
 {
-        return platform_driver_probe(&dw_i2c_driver, dw_i2c_probe);
+        return platform_driver_register(&dw_i2c_driver);
 }
 subsys_initcall(dw_i2c_init_driver);
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index ccf46656bdad..1d7efa3169cd 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -365,7 +365,7 @@ static void i2c_imx_stop(struct imx_i2c_struct *i2c_imx)
        clk_disable_unprepare(i2c_imx->clk);
 }
-static void __init i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx,
+static void i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx,
                                                        unsigned int rate)
 {
        struct imx_i2c_clk_pair *i2c_clk_div = i2c_imx->hwdata->clk_div;
@@ -589,7 +589,7 @@ static struct i2c_algorithm i2c_imx_algo = {
        .functionality  = i2c_imx_func,
 };
-static int __init i2c_imx_probe(struct platform_device *pdev)
+static int i2c_imx_probe(struct platform_device *pdev)
 {
        const struct of_device_id *of_id = of_match_device(i2c_imx_dt_ids,
                                                           &pdev->dev);
@@ -697,7 +697,7 @@ static int __init i2c_imx_probe(struct platform_device *pdev)
        return 0;   /* Return OK */
 }
-static int __exit i2c_imx_remove(struct platform_device *pdev)
+static int i2c_imx_remove(struct platform_device *pdev)
 {
        struct imx_i2c_struct *i2c_imx = platform_get_drvdata(pdev);
@@ -715,7 +715,8 @@ static int __exit i2c_imx_remove(struct platform_device *pdev)
 }
 static struct platform_driver i2c_imx_driver = {
-        .remove         = __exit_p(i2c_imx_remove),
+        .probe = i2c_imx_probe,
+        .remove = i2c_imx_remove,
        .driver = {
                .name   = DRIVER_NAME,
                .owner  = THIS_MODULE,
@@ -726,7 +727,7 @@ static struct platform_driver i2c_imx_driver = {
 static int __init i2c_adap_imx_init(void)
 {
-        return platform_driver_probe(&i2c_imx_driver, i2c_imx_probe);
+        return platform_driver_register(&i2c_imx_driver);
 }
 subsys_initcall(i2c_adap_imx_init);
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
index f4a01675fa71..b7c857774708 100644
--- a/drivers/i2c/busses/i2c-mxs.c
+++ b/drivers/i2c/busses/i2c-mxs.c
@@ -780,12 +780,13 @@ static struct platform_driver mxs_i2c_driver = {
                   .owner = THIS_MODULE,
                   .of_match_table = mxs_i2c_dt_ids,
                   },
+        .probe = mxs_i2c_probe,
        .remove = mxs_i2c_remove,
 };
 static int __init mxs_i2c_init(void)
 {
-        return platform_driver_probe(&mxs_i2c_driver, mxs_i2c_probe);
+        return platform_driver_register(&mxs_i2c_driver);
 }
 subsys_initcall(mxs_i2c_init);
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 6d8308d5dc4e..9967a6f9c2ff 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -939,6 +939,9 @@ omap_i2c_isr_thread(int this_irq, void *dev_id)
                /*
                 * ProDB0017052: Clear ARDY bit twice
                 */
+                if (stat & OMAP_I2C_STAT_ARDY)
+                        omap_i2c_ack_stat(dev, OMAP_I2C_STAT_ARDY);
                if (stat & (OMAP_I2C_STAT_ARDY | OMAP_I2C_STAT_NACK |
                                        OMAP_I2C_STAT_AL)) {
                        omap_i2c_ack_stat(dev, (OMAP_I2C_STAT_RRDY |
diff --git a/drivers/i2c/busses/i2c-stu300.c b/drivers/i2c/busses/i2c-stu300.c
index f8f6f2e552db..04a17b9b38bb 100644
--- a/drivers/i2c/busses/i2c-stu300.c
+++ b/drivers/i2c/busses/i2c-stu300.c
@@ -859,8 +859,7 @@ static const struct i2c_algorithm stu300_algo = {
        .functionality  = stu300_func,
 };
-static int __init
+static int stu300_probe(struct platform_device *pdev)
-stu300_probe(struct platform_device *pdev)
 {
        struct stu300_dev *dev;
        struct i2c_adapter *adap;
@@ -966,8 +965,7 @@ static SIMPLE_DEV_PM_OPS(stu300_pm, stu300_suspend, stu300_resume);
 #define STU300_I2C_PM   NULL
 #endif
-static int __exit
+static int stu300_remove(struct platform_device *pdev)
-stu300_remove(struct platform_device *pdev)
 {
        struct stu300_dev *dev = platform_get_drvdata(pdev);
@@ -989,13 +987,14 @@ static struct platform_driver stu300_i2c_driver = {
                .pm     = STU300_I2C_PM,
                .of_match_table = stu300_dt_match,
        },
-        .remove         = __exit_p(stu300_remove),
+        .probe = stu300_probe,
+        .remove = stu300_remove,
 };
 static int __init stu300_init(void)
 {
-        return platform_driver_probe(&stu300_i2c_driver, stu300_probe);
+        return platform_driver_register(&stu300_i2c_driver);
 }
 static void __exit stu300_exit(void)
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 29d3f045a2bf..3be58f89ac77 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -1134,6 +1134,9 @@ static void acpi_i2c_register_devices(struct i2c_adapter *adap)
        acpi_handle handle;
        acpi_status status;
+        if (!adap->dev.parent)
+                return;
        handle = ACPI_HANDLE(adap->dev.parent);
        if (!handle)
                return;
diff --git a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c
index 74b41ae690f3..928656e241dd 100644
--- a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c
+++ b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c
@@ -200,7 +200,7 @@ static int i2c_arbitrator_probe(struct platform_device *pdev)
        arb->parent = of_find_i2c_adapter_by_node(parent_np);
        if (!arb->parent) {
                dev_err(dev, "Cannot find parent bus\n");
-                return -EINVAL;
+                return -EPROBE_DEFER;
        }
        /* Actually add the mux adapter */
diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c
index 5d4a99ba743e..a764da777f08 100644
--- a/drivers/i2c/muxes/i2c-mux-gpio.c
+++ b/drivers/i2c/muxes/i2c-mux-gpio.c
@@ -66,7 +66,7 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux,
        struct device_node *adapter_np, *child;
        struct i2c_adapter *adapter;
        unsigned *values, *gpios;
-        int i = 0;
+        int i = 0, ret;
        if (!np)
                return -ENODEV;
@@ -79,7 +79,7 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux,
        adapter = of_find_i2c_adapter_by_node(adapter_np);
        if (!adapter) {
                dev_err(&pdev->dev, "Cannot find parent bus\n");
-                return -ENODEV;
+                return -EPROBE_DEFER;
        }
        mux->data.parent = i2c_adapter_id(adapter);
        put_device(&adapter->dev);
@@ -116,8 +116,12 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux,
                return -ENOMEM;
        }
-        for (i = 0; i < mux->data.n_gpios; i++)
+        for (i = 0; i < mux->data.n_gpios; i++) {
-                gpios[i] = of_get_named_gpio(np, "mux-gpios", i);
+                ret = of_get_named_gpio(np, "mux-gpios", i);
+                if (ret < 0)
+                        return ret;
+                gpios[i] = ret;
+        }
        mux->data.gpios = gpios;
@@ -177,7 +181,7 @@ static int i2c_mux_gpio_probe(struct platform_device *pdev)
        if (!parent) {
                dev_err(&pdev->dev, "Parent adapter (%d) not found\n",
                        mux->data.parent);
-                return -ENODEV;
+                return -EPROBE_DEFER;
        }
        mux->parent = parent;
diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c
index 69a91732ae65..68a37157377d 100644
--- a/drivers/i2c/muxes/i2c-mux-pinctrl.c
+++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c
@@ -113,7 +113,7 @@ static int i2c_mux_pinctrl_parse_dt(struct i2c_mux_pinctrl *mux,
        adapter = of_find_i2c_adapter_by_node(adapter_np);
        if (!adapter) {
                dev_err(mux->dev, "Cannot find parent bus\n");
-                return -ENODEV;
+                return -EPROBE_DEFER;
        }
        mux->pdata->parent_bus_num = i2c_adapter_id(adapter);
        put_device(&adapter->dev);
@@ -211,7 +211,7 @@ static int i2c_mux_pinctrl_probe(struct platform_device *pdev)
        if (!mux->parent) {
                dev_err(&pdev->dev, "Parent adapter (%d) not found\n",
                        mux->pdata->parent_bus_num);
-                ret = -ENODEV;
+                ret = -EPROBE_DEFER;
                goto err;
        }
diff --git a/drivers/infiniband/hw/amso1100/c2_ae.c b/drivers/infiniband/hw/amso1100/c2_ae.c
index d5d1929753e4..cedda25232be 100644
--- a/drivers/infiniband/hw/amso1100/c2_ae.c
+++ b/drivers/infiniband/hw/amso1100/c2_ae.c
@@ -141,7 +141,7 @@ static const char *to_qp_state_str(int state)
                return "C2_QP_STATE_ERROR";
        default:
                return "<invalid QP state>";
-        };
+        }
 }
 void c2_ae_event(struct c2_dev *c2dev, u32 mq_index)
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 3f831de9a4d8..b1a6cb3a2809 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -164,6 +164,7 @@ int mlx5_vector2eqn(struct mlx5_ib_dev *dev, int vector, int *eqn, int *irqn)
 static int alloc_comp_eqs(struct mlx5_ib_dev *dev)
 {
        struct mlx5_eq_table *table = &dev->mdev.priv.eq_table;
+        char name[MLX5_MAX_EQ_NAME];
        struct mlx5_eq *eq, *n;
        int ncomp_vec;
        int nent;
@@ -180,11 +181,10 @@ static int alloc_comp_eqs(struct mlx5_ib_dev *dev)
                        goto clean;
                }
-                snprintf(eq->name, MLX5_MAX_EQ_NAME, "mlx5_comp%d", i);
+                snprintf(name, MLX5_MAX_EQ_NAME, "mlx5_comp%d", i);
                err = mlx5_create_map_eq(&dev->mdev, eq,
                                         i + MLX5_EQ_VEC_COMP_BASE, nent, 0,
-                                         eq->name,
+                                         name, &dev->mdev.priv.uuari.uars[0]);
-                                         &dev->mdev.priv.uuari.uars[0]);
                if (err) {
                        kfree(eq);
                        goto clean;
@@ -301,9 +301,8 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
        props->max_srq_sge         = max_rq_sg - 1;
        props->max_fast_reg_page_list_len = (unsigned int)-1;
        props->local_ca_ack_delay  = dev->mdev.caps.local_ca_ack_delay;
-        props->atomic_cap          = dev->mdev.caps.flags & MLX5_DEV_CAP_FLAG_ATOMIC ?
+        props->atomic_cap          = IB_ATOMIC_NONE;
-                IB_ATOMIC_HCA : IB_ATOMIC_NONE;
+        props->masked_atomic_cap   = IB_ATOMIC_NONE;
-        props->masked_atomic_cap   = IB_ATOMIC_HCA;
        props->max_pkeys           = be16_to_cpup((__be16 *)(out_mad->data + 28));
        props->max_mcast_grp       = 1 << dev->mdev.caps.log_max_mcg;
        props->max_mcast_qp_attach = dev->mdev.caps.max_qp_mcg;
@@ -1006,6 +1005,11 @@ static void mlx5_ib_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event,
        ibev.device           = &ibdev->ib_dev;
        ibev.element.port_num = port;
+        if (port < 1 || port > ibdev->num_ports) {
+                mlx5_ib_warn(ibdev, "warning: event on port %d\n", port);
+                return;
+        }
        if (ibdev->ib_active)
                ib_dispatch_event(&ibev);
 }
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index bd41df95b6f0..3453580b1eb2 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -42,6 +42,10 @@ enum {
        DEF_CACHE_SIZE  = 10,
 };
+enum {
+        MLX5_UMR_ALIGN  = 2048
+};
 static __be64 *mr_align(__be64 *ptr, int align)
 {
        unsigned long mask = align - 1;
@@ -61,13 +65,11 @@ static int order2idx(struct mlx5_ib_dev *dev, int order)
 static int add_keys(struct mlx5_ib_dev *dev, int c, int num)
 {
-        struct device *ddev = dev->ib_dev.dma_device;
        struct mlx5_mr_cache *cache = &dev->cache;
        struct mlx5_cache_ent *ent = &cache->ent[c];
        struct mlx5_create_mkey_mbox_in *in;
        struct mlx5_ib_mr *mr;
        int npages = 1 << ent->order;
-        int size = sizeof(u64) * npages;
        int err = 0;
        int i;
@@ -83,21 +85,6 @@ static int add_keys(struct mlx5_ib_dev *dev, int c, int num)
                }
                mr->order = ent->order;
                mr->umred = 1;
-                mr->pas = kmalloc(size + 0x3f, GFP_KERNEL);
-                if (!mr->pas) {
-                        kfree(mr);
-                        err = -ENOMEM;
-                        goto out;
-                }
-                mr->dma = dma_map_single(ddev, mr_align(mr->pas, 0x40), size,
-                                         DMA_TO_DEVICE);
-                if (dma_mapping_error(ddev, mr->dma)) {
-                        kfree(mr->pas);
-                        kfree(mr);
-                        err = -ENOMEM;
-                        goto out;
-                }
                in->seg.status = 1 << 6;
                in->seg.xlt_oct_size = cpu_to_be32((npages + 1) / 2);
                in->seg.qpn_mkey7_0 = cpu_to_be32(0xffffff << 8);
@@ -108,8 +95,6 @@ static int add_keys(struct mlx5_ib_dev *dev, int c, int num)
                                            sizeof(*in));
                if (err) {
                        mlx5_ib_warn(dev, "create mkey failed %d\n", err);
-                        dma_unmap_single(ddev, mr->dma, size, DMA_TO_DEVICE);
-                        kfree(mr->pas);
                        kfree(mr);
                        goto out;
                }
@@ -129,11 +114,9 @@ out:
 static void remove_keys(struct mlx5_ib_dev *dev, int c, int num)
 {
-        struct device *ddev = dev->ib_dev.dma_device;
        struct mlx5_mr_cache *cache = &dev->cache;
        struct mlx5_cache_ent *ent = &cache->ent[c];
        struct mlx5_ib_mr *mr;
-        int size;
        int err;
        int i;
@@ -149,14 +132,10 @@ static void remove_keys(struct mlx5_ib_dev *dev, int c, int num)
                ent->size--;
                spin_unlock(&ent->lock);
                err = mlx5_core_destroy_mkey(&dev->mdev, &mr->mmr);
-                if (err) {
+                if (err)
                        mlx5_ib_warn(dev, "failed destroy mkey\n");
-                } else {
+                else
-                        size = ALIGN(sizeof(u64) * (1 << mr->order), 0x40);
-                        dma_unmap_single(ddev, mr->dma, size, DMA_TO_DEVICE);
-                        kfree(mr->pas);
                        kfree(mr);
-                }
        }
 }
@@ -408,13 +387,12 @@ static void free_cached_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
 static void clean_keys(struct mlx5_ib_dev *dev, int c)
 {
-        struct device *ddev = dev->ib_dev.dma_device;
        struct mlx5_mr_cache *cache = &dev->cache;
        struct mlx5_cache_ent *ent = &cache->ent[c];
        struct mlx5_ib_mr *mr;
-        int size;
        int err;
+        cancel_delayed_work(&ent->dwork);
        while (1) {
                spin_lock(&ent->lock);
                if (list_empty(&ent->head)) {
@@ -427,14 +405,10 @@ static void clean_keys(struct mlx5_ib_dev *dev, int c)
                ent->size--;
                spin_unlock(&ent->lock);
                err = mlx5_core_destroy_mkey(&dev->mdev, &mr->mmr);
-                if (err) {
+                if (err)
                        mlx5_ib_warn(dev, "failed destroy mkey\n");
-                } else {
+                else
-                        size = ALIGN(sizeof(u64) * (1 << mr->order), 0x40);
-                        dma_unmap_single(ddev, mr->dma, size, DMA_TO_DEVICE);
-                        kfree(mr->pas);
                        kfree(mr);
-                }
        }
 }
@@ -540,13 +514,15 @@ int mlx5_mr_cache_cleanup(struct mlx5_ib_dev *dev)
        int i;
        dev->cache.stopped = 1;
-        destroy_workqueue(dev->cache.wq);
+        flush_workqueue(dev->cache.wq);
        mlx5_mr_cache_debugfs_cleanup(dev);
        for (i = 0; i < MAX_MR_CACHE_ENTRIES; i++)
                clean_keys(dev, i);
+        destroy_workqueue(dev->cache.wq);
        return 0;
 }
@@ -675,10 +651,12 @@ static struct mlx5_ib_mr *reg_umr(struct ib_pd *pd, struct ib_umem *umem,
                                  int page_shift, int order, int access_flags)
 {
        struct mlx5_ib_dev *dev = to_mdev(pd->device);
+        struct device *ddev = dev->ib_dev.dma_device;
        struct umr_common *umrc = &dev->umrc;
        struct ib_send_wr wr, *bad;
        struct mlx5_ib_mr *mr;
        struct ib_sge sg;
+        int size = sizeof(u64) * npages;
        int err;
        int i;
@@ -697,7 +675,22 @@ static struct mlx5_ib_mr *reg_umr(struct ib_pd *pd, struct ib_umem *umem,
        if (!mr)
                return ERR_PTR(-EAGAIN);
-        mlx5_ib_populate_pas(dev, umem, page_shift, mr_align(mr->pas, 0x40), 1);
+        mr->pas = kmalloc(size + MLX5_UMR_ALIGN - 1, GFP_KERNEL);
+        if (!mr->pas) {
+                err = -ENOMEM;
+                goto error;
+        }
+        mlx5_ib_populate_pas(dev, umem, page_shift,
+                             mr_align(mr->pas, MLX5_UMR_ALIGN), 1);
+        mr->dma = dma_map_single(ddev, mr_align(mr->pas, MLX5_UMR_ALIGN), size,
+                                 DMA_TO_DEVICE);
+        if (dma_mapping_error(ddev, mr->dma)) {
+                kfree(mr->pas);
+                err = -ENOMEM;
+                goto error;
+        }
        memset(&wr, 0, sizeof(wr));
        wr.wr_id = (u64)(unsigned long)mr;
@@ -718,6 +711,9 @@ static struct mlx5_ib_mr *reg_umr(struct ib_pd *pd, struct ib_umem *umem,
        wait_for_completion(&mr->done);
        up(&umrc->sem);
+        dma_unmap_single(ddev, mr->dma, size, DMA_TO_DEVICE);
+        kfree(mr->pas);
        if (mr->status != IB_WC_SUCCESS) {
                mlx5_ib_warn(dev, "reg umr failed\n");
                err = -EFAULT;
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 045f8cdbd303..5659ea880741 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -203,7 +203,7 @@ static int sq_overhead(enum ib_qp_type qp_type)
        switch (qp_type) {
        case IB_QPT_XRC_INI:
-                size = sizeof(struct mlx5_wqe_xrc_seg);
+                size += sizeof(struct mlx5_wqe_xrc_seg);
                /* fall through */
        case IB_QPT_RC:
                size += sizeof(struct mlx5_wqe_ctrl_seg) +
@@ -211,20 +211,23 @@ static int sq_overhead(enum ib_qp_type qp_type)
                        sizeof(struct mlx5_wqe_raddr_seg);
                break;
+        case IB_QPT_XRC_TGT:
+                return 0;
        case IB_QPT_UC:
-                size = sizeof(struct mlx5_wqe_ctrl_seg) +
+                size += sizeof(struct mlx5_wqe_ctrl_seg) +
                        sizeof(struct mlx5_wqe_raddr_seg);
                break;
        case IB_QPT_UD:
        case IB_QPT_SMI:
        case IB_QPT_GSI:
-                size = sizeof(struct mlx5_wqe_ctrl_seg) +
+                size += sizeof(struct mlx5_wqe_ctrl_seg) +
                        sizeof(struct mlx5_wqe_datagram_seg);
                break;
        case MLX5_IB_QPT_REG_UMR:
-                size = sizeof(struct mlx5_wqe_ctrl_seg) +
+                size += sizeof(struct mlx5_wqe_ctrl_seg) +
                        sizeof(struct mlx5_wqe_umr_ctrl_seg) +
                        sizeof(struct mlx5_mkey_seg);
                break;
@@ -270,7 +273,8 @@ static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr,
                return wqe_size;
        if (wqe_size > dev->mdev.caps.max_sq_desc_sz) {
-                mlx5_ib_dbg(dev, "\n");
+                mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n",
+                            wqe_size, dev->mdev.caps.max_sq_desc_sz);
                return -EINVAL;
        }
@@ -280,9 +284,15 @@ static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr,
        wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size);
        qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB;
+        if (qp->sq.wqe_cnt > dev->mdev.caps.max_wqes) {
+                mlx5_ib_dbg(dev, "wqe count(%d) exceeds limits(%d)\n",
+                            qp->sq.wqe_cnt, dev->mdev.caps.max_wqes);
+                return -ENOMEM;
+        }
        qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB);
        qp->sq.max_gs = attr->cap.max_send_sge;
-        qp->sq.max_post = 1 << ilog2(wq_size / wqe_size);
+        qp->sq.max_post = wq_size / wqe_size;
+        attr->cap.max_send_wr = qp->sq.max_post;
        return wq_size;
 }
@@ -1280,6 +1290,11 @@ static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_Q
                                          MLX5_QP_OPTPAR_Q_KEY,
                        [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX    |
                                           MLX5_QP_OPTPAR_Q_KEY,
+                        [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH |
+                                          MLX5_QP_OPTPAR_RRE            |
+                                          MLX5_QP_OPTPAR_RAE            |
+                                          MLX5_QP_OPTPAR_RWE            |
+                                          MLX5_QP_OPTPAR_PKEY_INDEX,
                },
        },
        [MLX5_QP_STATE_RTR] = {
@@ -1314,6 +1329,11 @@ static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_Q
                [MLX5_QP_STATE_RTS] = {
                        [MLX5_QP_ST_UD]  = MLX5_QP_OPTPAR_Q_KEY,
                        [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY,
+                        [MLX5_QP_ST_UC]  = MLX5_QP_OPTPAR_RWE,
+                        [MLX5_QP_ST_RC]  = MLX5_QP_OPTPAR_RNR_TIMEOUT   |
+                                           MLX5_QP_OPTPAR_RWE           |
+                                           MLX5_QP_OPTPAR_RAE           |
+                                           MLX5_QP_OPTPAR_RRE,
                },
        },
 };
@@ -1651,29 +1671,6 @@ static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg,
        rseg->reserved = 0;
 }
-static void set_atomic_seg(struct mlx5_wqe_atomic_seg *aseg, struct ib_send_wr *wr)
-{
-        if (wr->opcode == IB_WR_ATOMIC_CMP_AND_SWP) {
-                aseg->swap_add = cpu_to_be64(wr->wr.atomic.swap);
-                aseg->compare  = cpu_to_be64(wr->wr.atomic.compare_add);
-        } else if (wr->opcode == IB_WR_MASKED_ATOMIC_FETCH_AND_ADD) {
-                aseg->swap_add = cpu_to_be64(wr->wr.atomic.compare_add);
-                aseg->compare  = cpu_to_be64(wr->wr.atomic.compare_add_mask);
-        } else {
-                aseg->swap_add = cpu_to_be64(wr->wr.atomic.compare_add);
-                aseg->compare  = 0;
-        }
-}
-static void set_masked_atomic_seg(struct mlx5_wqe_masked_atomic_seg *aseg,
-                                  struct ib_send_wr *wr)
-{
-        aseg->swap_add          = cpu_to_be64(wr->wr.atomic.swap);
-        aseg->swap_add_mask     = cpu_to_be64(wr->wr.atomic.swap_mask);
-        aseg->compare           = cpu_to_be64(wr->wr.atomic.compare_add);
-        aseg->compare_mask      = cpu_to_be64(wr->wr.atomic.compare_add_mask);
-}
 static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg,
                             struct ib_send_wr *wr)
 {
@@ -2063,28 +2060,11 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
                        case IB_WR_ATOMIC_CMP_AND_SWP:
                        case IB_WR_ATOMIC_FETCH_AND_ADD:
-                                set_raddr_seg(seg, wr->wr.atomic.remote_addr,
-                                              wr->wr.atomic.rkey);
-                                seg  += sizeof(struct mlx5_wqe_raddr_seg);
-                                set_atomic_seg(seg, wr);
-                                seg  += sizeof(struct mlx5_wqe_atomic_seg);
-                                size += (sizeof(struct mlx5_wqe_raddr_seg) +
-                                         sizeof(struct mlx5_wqe_atomic_seg)) / 16;
-                                break;
                        case IB_WR_MASKED_ATOMIC_CMP_AND_SWP:
-                                set_raddr_seg(seg, wr->wr.atomic.remote_addr,
+                                mlx5_ib_warn(dev, "Atomic operations are not supported yet\n");
-                                              wr->wr.atomic.rkey);
+                                err = -ENOSYS;
-                                seg  += sizeof(struct mlx5_wqe_raddr_seg);
+                                *bad_wr = wr;
+                                goto out;
-                                set_masked_atomic_seg(seg, wr);
-                                seg  += sizeof(struct mlx5_wqe_masked_atomic_seg);
-                                size += (sizeof(struct mlx5_wqe_raddr_seg) +
-                                         sizeof(struct mlx5_wqe_masked_atomic_seg)) / 16;
-                                break;
                        case IB_WR_LOCAL_INV:
                                next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL;
diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c
index 84d297afd6a9..0aa478bc291a 100644
--- a/drivers/infiniband/hw/mlx5/srq.c
+++ b/drivers/infiniband/hw/mlx5/srq.c
@@ -295,7 +295,7 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd,
        mlx5_vfree(in);
        if (err) {
                mlx5_ib_dbg(dev, "create SRQ failed, err %d\n", err);
-                goto err_srq;
+                goto err_usr_kern_srq;
        }
        mlx5_ib_dbg(dev, "create SRQ with srqn 0x%x\n", srq->msrq.srqn);
@@ -316,6 +316,8 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd,
 err_core:
        mlx5_core_destroy_srq(&dev->mdev, &srq->msrq);
+err_usr_kern_srq:
        if (pd->uobject)
                destroy_srq_user(pd, srq);
        else
diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c
index 7c9d35f39d75..690201738993 100644
--- a/drivers/infiniband/hw/mthca/mthca_eq.c
+++ b/drivers/infiniband/hw/mthca/mthca_eq.c
@@ -357,7 +357,7 @@ static int mthca_eq_int(struct mthca_dev *dev, struct mthca_eq *eq)
                        mthca_warn(dev, "Unhandled event %02x(%02x) on EQ %d\n",
                                   eqe->type, eqe->subtype, eq->eqn);
                        break;
-                };
+                }
                set_eqe_hw(eqe);
                ++eq->cons_index;
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
index 4ed8235d2d36..50219ab2279d 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
@@ -150,7 +150,7 @@ enum ib_qp_state get_ibqp_state(enum ocrdma_qp_state qps)
                return IB_QPS_SQE;
        case OCRDMA_QPS_ERR:
                return IB_QPS_ERR;
-        };
+        }
        return IB_QPS_ERR;
 }
@@ -171,7 +171,7 @@ static enum ocrdma_qp_state get_ocrdma_qp_state(enum ib_qp_state qps)
                return OCRDMA_QPS_SQE;
        case IB_QPS_ERR:
                return OCRDMA_QPS_ERR;
-        };
+        }
        return OCRDMA_QPS_ERR;
 }
@@ -1982,7 +1982,7 @@ int ocrdma_mbx_create_qp(struct ocrdma_qp *qp, struct ib_qp_init_attr *attrs,
                break;
        default:
                return -EINVAL;
-        };
+        }
        cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_CREATE_QP, sizeof(*cmd));
        if (!cmd)
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
index 56e004940f18..0ce7674621ea 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
@@ -531,7 +531,7 @@ static void ocrdma_event_handler(struct ocrdma_dev *dev, u32 event)
        case BE_DEV_DOWN:
                ocrdma_close(dev);
                break;
-        };
+        }
 }
 static struct ocrdma_driver ocrdma_drv = {
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 6e982bb43c31..69f1d1221a6b 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -141,7 +141,7 @@ static inline void get_link_speed_and_width(struct ocrdma_dev *dev,
                /* Unsupported */
                *ib_speed = IB_SPEED_SDR;
                *ib_width = IB_WIDTH_1X;
-        };
+        }
 }
@@ -2331,7 +2331,7 @@ static enum ib_wc_status ocrdma_to_ibwc_err(u16 status)
        default:
                ibwc_status = IB_WC_GENERAL_ERR;
                break;
-        };
+        }
        return ibwc_status;
 }
@@ -2370,7 +2370,7 @@ static void ocrdma_update_wc(struct ocrdma_qp *qp, struct ib_wc *ibwc,
                pr_err("%s() invalid opcode received = 0x%x\n",
                       __func__, hdr->cw & OCRDMA_WQE_OPCODE_MASK);
                break;
-        };
+        }
 }
 static void ocrdma_set_cqe_status_flushed(struct ocrdma_qp *qp,
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index fe302e33f72e..c880ebaf1553 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -52,7 +52,7 @@ config AMD_IOMMU
        select PCI_PRI
        select PCI_PASID
        select IOMMU_API
-        depends on X86_64 && PCI && ACPI && X86_IO_APIC
+        depends on X86_64 && PCI && ACPI
        ---help---
          With this option you can enable support for AMD IOMMU hardware in
          your system. An IOMMU is a hardware component which provides
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) {
+        if (!ep)
-                ret = -ENOMEM;
+                return -ENOMEM;
-                goto ext_out;
-        }
        /* 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/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index 5472cbd34028..6ca30739625f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -180,28 +180,32 @@ static int verify_block_sig(struct mlx5_cmd_prot_block *block)
        return 0;
 }
-static void calc_block_sig(struct mlx5_cmd_prot_block *block, u8 token)
+static void calc_block_sig(struct mlx5_cmd_prot_block *block, u8 token,
+                           int csum)
 {
        block->token = token;
-        block->ctrl_sig = ~xor8_buf(block->rsvd0, sizeof(*block) - sizeof(block->data) - 2);
+        if (csum) {
-        block->sig = ~xor8_buf(block, sizeof(*block) - 1);
+                block->ctrl_sig = ~xor8_buf(block->rsvd0, sizeof(*block) -
+                                            sizeof(block->data) - 2);
+                block->sig = ~xor8_buf(block, sizeof(*block) - 1);
+        }
 }
-static void calc_chain_sig(struct mlx5_cmd_msg *msg, u8 token)
+static void calc_chain_sig(struct mlx5_cmd_msg *msg, u8 token, int csum)
 {
        struct mlx5_cmd_mailbox *next = msg->next;
        while (next) {
-                calc_block_sig(next->buf, token);
+                calc_block_sig(next->buf, token, csum);
                next = next->next;
        }
 }
-static void set_signature(struct mlx5_cmd_work_ent *ent)
+static void set_signature(struct mlx5_cmd_work_ent *ent, int csum)
 {
        ent->lay->sig = ~xor8_buf(ent->lay, sizeof(*ent->lay));
-        calc_chain_sig(ent->in, ent->token);
+        calc_chain_sig(ent->in, ent->token, csum);
-        calc_chain_sig(ent->out, ent->token);
+        calc_chain_sig(ent->out, ent->token, csum);
 }
 static void poll_timeout(struct mlx5_cmd_work_ent *ent)
@@ -539,8 +543,7 @@ static void cmd_work_handler(struct work_struct *work)
        lay->type = MLX5_PCI_CMD_XPORT;
        lay->token = ent->token;
        lay->status_own = CMD_OWNER_HW;
-        if (!cmd->checksum_disabled)
+        set_signature(ent, !cmd->checksum_disabled);
-                set_signature(ent);
        dump_command(dev, ent, 1);
        ktime_get_ts(&ent->ts1);
@@ -773,8 +776,6 @@ static int mlx5_copy_from_msg(void *to, struct mlx5_cmd_msg *from, int size)
                copy = min_t(int, size, MLX5_CMD_DATA_BLOCK_SIZE);
                block = next->buf;
-                if (xor8_buf(block, sizeof(*block)) != 0xff)
-                        return -EINVAL;
                memcpy(to, block->data, copy);
                to += copy;
@@ -1361,6 +1362,7 @@ int mlx5_cmd_init(struct mlx5_core_dev *dev)
                goto err_map;
        }
+        cmd->checksum_disabled = 1;
        cmd->max_reg_cmds = (1 << cmd->log_sz) - 1;
        cmd->bitmask = (1 << cmd->max_reg_cmds) - 1;
@@ -1510,7 +1512,7 @@ int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr)
        case MLX5_CMD_STAT_BAD_SYS_STATE_ERR:           return -EIO;
        case MLX5_CMD_STAT_BAD_RES_ERR:                 return -EINVAL;
        case MLX5_CMD_STAT_RES_BUSY:                    return -EBUSY;
-        case MLX5_CMD_STAT_LIM_ERR:                     return -EINVAL;
+        case MLX5_CMD_STAT_LIM_ERR:                     return -ENOMEM;
        case MLX5_CMD_STAT_BAD_RES_STATE_ERR:           return -EINVAL;
        case MLX5_CMD_STAT_IX_ERR:                      return -EINVAL;
        case MLX5_CMD_STAT_NO_RES_ERR:                  return -EAGAIN;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
index 443cc4d7b024..2231d93cc7ad 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
@@ -366,9 +366,11 @@ int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
                goto err_in;
        }
+        snprintf(eq->name, MLX5_MAX_EQ_NAME, "%s@pci:%s",
+                 name, pci_name(dev->pdev));
        eq->eqn = out.eq_number;
        err = request_irq(table->msix_arr[vecidx].vector, mlx5_msix_handler, 0,
-                          name, eq);
+                          eq->name, eq);
        if (err)
                goto err_eq;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index b47739b0b5f6..bc0f5fb66e24 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -165,9 +165,7 @@ static int handle_hca_cap(struct mlx5_core_dev *dev)
        struct mlx5_cmd_set_hca_cap_mbox_in *set_ctx = NULL;
        struct mlx5_cmd_query_hca_cap_mbox_in query_ctx;
        struct mlx5_cmd_set_hca_cap_mbox_out set_out;
-        struct mlx5_profile *prof = dev->profile;
        u64 flags;
-        int csum = 1;
        int err;
        memset(&query_ctx, 0, sizeof(query_ctx));
@@ -197,20 +195,14 @@ static int handle_hca_cap(struct mlx5_core_dev *dev)
        memcpy(&set_ctx->hca_cap, &query_out->hca_cap,
               sizeof(set_ctx->hca_cap));
-        if (prof->mask & MLX5_PROF_MASK_CMDIF_CSUM) {
-                csum = !!prof->cmdif_csum;
-                flags = be64_to_cpu(set_ctx->hca_cap.flags);
-                if (csum)
-                        flags |= MLX5_DEV_CAP_FLAG_CMDIF_CSUM;
-                else
-                        flags &= ~MLX5_DEV_CAP_FLAG_CMDIF_CSUM;
-                set_ctx->hca_cap.flags = cpu_to_be64(flags);
-        }
        if (dev->profile->mask & MLX5_PROF_MASK_QP_SIZE)
                set_ctx->hca_cap.log_max_qp = dev->profile->log_max_qp;
+        flags = be64_to_cpu(query_out->hca_cap.flags);
+        /* disable checksum */
+        flags &= ~MLX5_DEV_CAP_FLAG_CMDIF_CSUM;
+        set_ctx->hca_cap.flags = cpu_to_be64(flags);
        memset(&set_out, 0, sizeof(set_out));
        set_ctx->hca_cap.log_uar_page_sz = cpu_to_be16(PAGE_SHIFT - 12);
        set_ctx->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_SET_HCA_CAP);
@@ -225,9 +217,6 @@ static int handle_hca_cap(struct mlx5_core_dev *dev)
        if (err)
                goto query_ex;
-        if (!csum)
-                dev->cmd.checksum_disabled = 1;
 query_ex:
        kfree(query_out);
        kfree(set_ctx);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
index 3a2408d44820..7b12acf210f8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
@@ -90,6 +90,10 @@ struct mlx5_manage_pages_outbox {
        __be64                  pas[0];
 };
+enum {
+        MAX_RECLAIM_TIME_MSECS  = 5000,
+};
 static int insert_page(struct mlx5_core_dev *dev, u64 addr, struct page *page, u16 func_id)
 {
        struct rb_root *root = &dev->priv.page_root;
@@ -279,6 +283,9 @@ static int reclaim_pages(struct mlx5_core_dev *dev, u32 func_id, int npages,
        int err;
        int i;
+        if (nclaimed)
+                *nclaimed = 0;
        memset(&in, 0, sizeof(in));
        outlen = sizeof(*out) + npages * sizeof(out->pas[0]);
        out = mlx5_vzalloc(outlen);
@@ -388,20 +395,25 @@ static int optimal_reclaimed_pages(void)
 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev)
 {
-        unsigned long end = jiffies + msecs_to_jiffies(5000);
+        unsigned long end = jiffies + msecs_to_jiffies(MAX_RECLAIM_TIME_MSECS);
        struct fw_page *fwp;
        struct rb_node *p;
+        int nclaimed = 0;
        int err;
        do {
                p = rb_first(&dev->priv.page_root);
                if (p) {
                        fwp = rb_entry(p, struct fw_page, rb_node);
-                        err = reclaim_pages(dev, fwp->func_id, optimal_reclaimed_pages(), NULL);
+                        err = reclaim_pages(dev, fwp->func_id,
+                                            optimal_reclaimed_pages(),
+                                            &nclaimed);
                        if (err) {
                                mlx5_core_warn(dev, "failed reclaiming pages (%d)\n", err);
                                return err;
                        }
+                        if (nclaimed)
+                                end = jiffies + msecs_to_jiffies(MAX_RECLAIM_TIME_MSECS);
                }
                if (time_after(jiffies, end)) {
                        mlx5_core_warn(dev, "FW did not return all pages. giving up...\n");
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 0b7d23b4ad95..be12fbfcae10 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -994,14 +994,16 @@ void acpiphp_enumerate_slots(struct pci_bus *bus)
                /*
                 * This bridge should have been registered as a hotplug function
-                 * under its parent, so the context has to be there.  If not, we
+                 * under its parent, so the context should be there, unless the
-                 * are in deep goo.
+                 * parent is going to be handled by pciehp, in which case this
+                 * bridge is not interesting to us either.
                 */
                mutex_lock(&acpiphp_context_lock);
                context = acpiphp_get_context(handle);
-                if (WARN_ON(!context)) {
+                if (!context) {
                        mutex_unlock(&acpiphp_context_lock);
                        put_device(&bus->dev);
+                        pci_dev_put(bridge->pci_dev);
                        kfree(bridge);
                        return;
                }
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))
+        if (!(sccb->sclp_send_mask & (EVTYP_OPCMD_MASK | EVTYP_PMSGCMD_MASK)))
-                return 1;
+                return 0;
-        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) {
+        if (IS_ERR(dspi->base)) {
-                ret = -EINVAL;
+                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/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index a9807dea3887..4fb7a8f83c8a 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -545,6 +545,8 @@ static int vfio_dma_do_map(struct vfio_iommu *iommu,
        long npage;
        int ret = 0, prot = 0;
        uint64_t mask;
+        struct vfio_dma *dma = NULL;
+        unsigned long pfn;
        end = map->iova + map->size;
@@ -587,8 +589,6 @@ static int vfio_dma_do_map(struct vfio_iommu *iommu,
        }
        for (iova = map->iova; iova < end; iova += size, vaddr += size) {
-                struct vfio_dma *dma = NULL;
-                unsigned long pfn;
                long i;
                /* Pin a contiguous chunk of memory */
@@ -597,16 +597,15 @@ static int vfio_dma_do_map(struct vfio_iommu *iommu,
                if (npage <= 0) {
                        WARN_ON(!npage);
                        ret = (int)npage;
-                        break;
+                        goto out;
                }
                /* Verify pages are not already mapped */
                for (i = 0; i < npage; i++) {
                        if (iommu_iova_to_phys(iommu->domain,
                                               iova + (i << PAGE_SHIFT))) {
-                                vfio_unpin_pages(pfn, npage, prot, true);
                                ret = -EBUSY;
-                                break;
+                                goto out_unpin;
                        }
                }
@@ -616,8 +615,7 @@ static int vfio_dma_do_map(struct vfio_iommu *iommu,
                if (ret) {
                        if (ret != -EBUSY ||
                            map_try_harder(iommu, iova, pfn, npage, prot)) {
-                                vfio_unpin_pages(pfn, npage, prot, true);
+                                goto out_unpin;
-                                break;
                        }
                }
@@ -672,9 +670,8 @@ static int vfio_dma_do_map(struct vfio_iommu *iommu,
                        dma = kzalloc(sizeof(*dma), GFP_KERNEL);
                        if (!dma) {
                                iommu_unmap(iommu->domain, iova, size);
-                                vfio_unpin_pages(pfn, npage, prot, true);
                                ret = -ENOMEM;
-                                break;
+                                goto out_unpin;
                        }
                        dma->size = size;
@@ -685,16 +682,21 @@ static int vfio_dma_do_map(struct vfio_iommu *iommu,
                }
        }
-        if (ret) {
+        WARN_ON(ret);
-                struct vfio_dma *tmp;
+        mutex_unlock(&iommu->lock);
-                iova = map->iova;
+        return ret;
-                size = map->size;
-                while ((tmp = vfio_find_dma(iommu, iova, size))) {
+out_unpin:
-                        int r = vfio_remove_dma_overlap(iommu, iova,
+        vfio_unpin_pages(pfn, npage, prot, true);
-                                                        &size, tmp);
-                        if (WARN_ON(r || !size))
+out:
-                                break;
+        iova = map->iova;
-                }
+        size = map->size;
+        while ((dma = vfio_find_dma(iommu, iova, size))) {
+                int r = vfio_remove_dma_overlap(iommu, iova,
+                                                &size, dma);
+                if (WARN_ON(r || !size))
+                        break;
        }
        mutex_unlock(&iommu->lock);
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",
diff --git a/drivers/watchdog/kempld_wdt.c b/drivers/watchdog/kempld_wdt.c
index 491419e0772a..5c3d4df63e68 100644
--- a/drivers/watchdog/kempld_wdt.c
+++ b/drivers/watchdog/kempld_wdt.c
@@ -35,7 +35,7 @@
 #define KEMPLD_WDT_STAGE_TIMEOUT(x)     (0x1b + (x) * 4)
 #define KEMPLD_WDT_STAGE_CFG(x)         (0x18 + (x))
 #define STAGE_CFG_GET_PRESCALER(x)      (((x) & 0x30) >> 4)
-#define STAGE_CFG_SET_PRESCALER(x)      (((x) & 0x30) << 4)
+#define STAGE_CFG_SET_PRESCALER(x)      (((x) & 0x3) << 4)
 #define STAGE_CFG_PRESCALER_MASK        0x30
 #define STAGE_CFG_ACTION_MASK           0x7
 #define STAGE_CFG_ASSERT                (1 << 3)
diff --git a/drivers/watchdog/sunxi_wdt.c b/drivers/watchdog/sunxi_wdt.c
index 1f94b42764aa..f6caa77151c7 100644
--- a/drivers/watchdog/sunxi_wdt.c
+++ b/drivers/watchdog/sunxi_wdt.c
@@ -146,7 +146,7 @@ static const struct watchdog_ops sunxi_wdt_ops = {
        .set_timeout    = sunxi_wdt_set_timeout,
 };
-static int __init sunxi_wdt_probe(struct platform_device *pdev)
+static int sunxi_wdt_probe(struct platform_device *pdev)
 {
        struct sunxi_wdt_dev *sunxi_wdt;
        struct resource *res;
@@ -187,7 +187,7 @@ static int __init sunxi_wdt_probe(struct platform_device *pdev)
        return 0;
 }
-static int __exit sunxi_wdt_remove(struct platform_device *pdev)
+static int sunxi_wdt_remove(struct platform_device *pdev)
 {
        struct sunxi_wdt_dev *sunxi_wdt = platform_get_drvdata(pdev);
diff --git a/drivers/watchdog/ts72xx_wdt.c b/drivers/watchdog/ts72xx_wdt.c
index 42913f131dc2..c9b0c627fe7e 100644
--- a/drivers/watchdog/ts72xx_wdt.c
+++ b/drivers/watchdog/ts72xx_wdt.c
@@ -310,7 +310,8 @@ static long ts72xx_wdt_ioctl(struct file *file, unsigned int cmd,
        case WDIOC_GETSTATUS:
        case WDIOC_GETBOOTSTATUS:
-                return put_user(0, p);
+                error = put_user(0, p);
+                break;
        case WDIOC_KEEPALIVE:
                ts72xx_wdt_kick(wdt);