20 files changed, 79 insertions, 94 deletions

diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index fbd9b2b850ef..c58ea9b80b1a 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -127,12 +127,12 @@ config HW_RANDOM_VIA
 	  If unsure, say Y.
 
 config HW_RANDOM_IXP4XX
-	tristate "Intel IXP4xx NPU HW Random Number Generator support"
+	tristate "Intel IXP4xx NPU HW Pseudo-Random Number Generator support"
 	depends on HW_RANDOM && ARCH_IXP4XX
 	default HW_RANDOM
 	---help---
-	  This driver provides kernel-side support for the Random
-	  Number Generator hardware found on the Intel IXP4xx NPU.
+	  This driver provides kernel-side support for the Pseudo-Random
+	  Number Generator hardware found on the Intel IXP45x/46x NPU.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called ixp4xx-rng.
diff --git a/drivers/char/hw_random/ixp4xx-rng.c b/drivers/char/hw_random/ixp4xx-rng.c
index 263567f5f392..beec1627db3c 100644
--- a/drivers/char/hw_random/ixp4xx-rng.c
+++ b/drivers/char/hw_random/ixp4xx-rng.c
@@ -45,6 +45,9 @@ static int __init ixp4xx_rng_init(void)
 	void __iomem * rng_base;
 	int err;
 
+	if (!cpu_is_ixp46x()) /* includes IXP455 */
+		return -ENOSYS;
+
 	rng_base = ioremap(0x70002100, 4);
 	if (!rng_base)
 		return -ENOMEM;
@@ -68,5 +71,5 @@ module_init(ixp4xx_rng_init);
 module_exit(ixp4xx_rng_exit);
 
 MODULE_AUTHOR("Deepak Saxena <dsaxena@plexity.net>");
-MODULE_DESCRIPTION("H/W Random Number Generator (RNG) driver for IXP4xx");
+MODULE_DESCRIPTION("H/W Pseudo-Random Number Generator (RNG) driver for IXP45x/46x");
 MODULE_LICENSE("GPL");
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 308c7fb92a60..f6644f59fd9d 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -224,7 +224,7 @@ config CRYPTO_DEV_TALITOS
 
 config CRYPTO_DEV_IXP4XX
 	tristate "Driver for IXP4xx crypto hardware acceleration"
-	depends on ARCH_IXP4XX
+	depends on ARCH_IXP4XX && IXP4XX_QMGR && IXP4XX_NPE
 	select CRYPTO_DES
 	select CRYPTO_ALGAPI
 	select CRYPTO_AUTHENC
diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
index 8f3f74ce8c7f..21180d6cad6e 100644
--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -750,12 +750,12 @@ static int setup_cipher(struct crypto_tfm *tfm, int encrypt,
 	}
 	if (cipher_cfg & MOD_AES) {
 		switch (key_len) {
-			case 16: keylen_cfg = MOD_AES128 | KEYLEN_128; break;
-			case 24: keylen_cfg = MOD_AES192 | KEYLEN_192; break;
-			case 32: keylen_cfg = MOD_AES256 | KEYLEN_256; break;
-			default:
-				*flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
-				return -EINVAL;
+		case 16: keylen_cfg = MOD_AES128; break;
+		case 24: keylen_cfg = MOD_AES192; break;
+		case 32: keylen_cfg = MOD_AES256; break;
+		default:
+			*flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
+			return -EINVAL;
 		}
 		cipher_cfg |= keylen_cfg;
 	} else if (cipher_cfg & MOD_3DES) {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 241ad1eeec64..f2df06c603f7 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -226,6 +226,12 @@ static void exynos_drm_encoder_commit(struct drm_encoder *encoder)
 	 * already updated or not by exynos_drm_encoder_dpms function.
 	 */
 	exynos_encoder->updated = true;
+
+	/*
+	 * In case of setcrtc, there is no way to update encoder's dpms
+	 * so update it here.
+	 */
+	exynos_encoder->dpms = DRM_MODE_DPMS_ON;
 }
 
 static void exynos_drm_encoder_disable(struct drm_encoder *encoder)
@@ -507,6 +513,6 @@ void exynos_drm_encoder_plane_disable(struct drm_encoder *encoder, void *data)
 	 * because the setting for disabling the overlay will be updated
 	 * at vsync.
 	 */
-	if (overlay_ops->wait_for_vblank)
+	if (overlay_ops && overlay_ops->wait_for_vblank)
 		overlay_ops->wait_for_vblank(manager->dev);
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
index 67eb6ba56edf..e7466c4414cb 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
@@ -87,7 +87,8 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
 
 	dev->mode_config.fb_base = (resource_size_t)buffer->dma_addr;
 	fbi->screen_base = buffer->kvaddr + offset;
-	fbi->fix.smem_start = (unsigned long)(buffer->dma_addr + offset);
+	fbi->fix.smem_start = (unsigned long)(page_to_phys(buffer->pages[0]) +
+				offset);
 	fbi->screen_size = size;
 	fbi->fix.smem_len = size;
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 130a2b510d4a..e08478f19f1a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -61,11 +61,11 @@ struct fimd_driver_data {
 	unsigned int timing_base;
 };
 
-struct fimd_driver_data exynos4_fimd_driver_data = {
+static struct fimd_driver_data exynos4_fimd_driver_data = {
 	.timing_base = 0x0,
 };
 
-struct fimd_driver_data exynos5_fimd_driver_data = {
+static struct fimd_driver_data exynos5_fimd_driver_data = {
 	.timing_base = 0x20000,
 };
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
index 60b877a388c2..862ca1eb2102 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
@@ -204,7 +204,6 @@ exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 		return ret;
 
 	plane->crtc = crtc;
-	plane->fb = crtc->fb;
 
 	exynos_plane_commit(plane);
 	exynos_plane_dpms(plane, DRM_MODE_DPMS_ON);
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 0ed6baff4b0c..56846ed5ee55 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -499,12 +499,8 @@ parse_edp(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
 
 	edp = find_section(bdb, BDB_EDP);
 	if (!edp) {
-		if (SUPPORTS_EDP(dev_priv->dev) && dev_priv->edp.support) {
-			DRM_DEBUG_KMS("No eDP BDB found but eDP panel "
-				      "supported, assume %dbpp panel color "
-				      "depth.\n",
-				      dev_priv->edp.bpp);
-		}
+		if (SUPPORTS_EDP(dev_priv->dev) && dev_priv->edp.support)
+			DRM_DEBUG_KMS("No eDP BDB found but eDP panel supported.\n");
 		return;
 	}
 
@@ -657,9 +653,6 @@ init_vbt_defaults(struct drm_i915_private *dev_priv)
 	dev_priv->lvds_use_ssc = 1;
 	dev_priv->lvds_ssc_freq = intel_bios_ssc_frequency(dev, 1);
 	DRM_DEBUG_KMS("Set default to SSC at %dMHz\n", dev_priv->lvds_ssc_freq);
-
-	/* eDP data */
-	dev_priv->edp.bpp = 18;
 }
 
 static int __init intel_no_opregion_vbt_callback(const struct dmi_system_id *id)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 4154bcd7a070..b426d44a2b05 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3845,7 +3845,7 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
 			/* Use VBT settings if we have an eDP panel */
 			unsigned int edp_bpc = dev_priv->edp.bpp / 3;
 
-			if (edp_bpc < display_bpc) {
+			if (edp_bpc && edp_bpc < display_bpc) {
 				DRM_DEBUG_KMS("clamping display bpc (was %d) to eDP (%d)\n", display_bpc, edp_bpc);
 				display_bpc = edp_bpc;
 			}
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 72f41aaa71ff..442968f8b201 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2373,15 +2373,9 @@ int intel_enable_rc6(const struct drm_device *dev)
 	if (i915_enable_rc6 >= 0)
 		return i915_enable_rc6;
 
-	if (INTEL_INFO(dev)->gen == 5) {
-#ifdef CONFIG_INTEL_IOMMU
-		/* Disable rc6 on ilk if VT-d is on. */
-		if (intel_iommu_gfx_mapped)
-			return false;
-#endif
-		DRM_DEBUG_DRIVER("Ironlake: only RC6 available\n");
-		return INTEL_RC6_ENABLE;
-	}
+	/* Disable RC6 on Ironlake */
+	if (INTEL_INFO(dev)->gen == 5)
+		return 0;
 
 	if (IS_HASWELL(dev)) {
 		DRM_DEBUG_DRIVER("Haswell: only RC6 available\n");
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index c600fb06e25e..a6ac0b416964 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -2201,7 +2201,6 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
 		connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
 		intel_sdvo->is_hdmi = true;
 	}
-	intel_sdvo->base.cloneable = true;
 
 	intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
 	if (intel_sdvo->is_hdmi)
@@ -2232,7 +2231,6 @@ intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
 
 	intel_sdvo->is_tv = true;
 	intel_sdvo->base.needs_tv_clock = true;
-	intel_sdvo->base.cloneable = false;
 
 	intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
 
@@ -2275,8 +2273,6 @@ intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
 		intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
 	}
 
-	intel_sdvo->base.cloneable = true;
-
 	intel_sdvo_connector_init(intel_sdvo_connector,
 				  intel_sdvo);
 	return true;
@@ -2307,9 +2303,6 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
 		intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
 	}
 
-	/* SDVO LVDS is not cloneable because the input mode gets adjusted by the encoder */
-	intel_sdvo->base.cloneable = false;
-
 	intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
 	if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
 		goto err;
@@ -2721,6 +2714,16 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
 		goto err_output;
 	}
 
+	/*
+	 * Cloning SDVO with anything is often impossible, since the SDVO
+	 * encoder can request a special input timing mode. And even if that's
+	 * not the case we have evidence that cloning a plain unscaled mode with
+	 * VGA doesn't really work. Furthermore the cloning flags are way too
+	 * simplistic anyway to express such constraints, so just give up on
+	 * cloning for SDVO encoders.
+	 */
+	intel_sdvo->base.cloneable = false;
+
 	/* Only enable the hotplug irq if we need it, to work around noisy
 	 * hotplug lines.
 	 */
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 3bce0299f64a..24d932f53203 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1696,42 +1696,22 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
 			return ATOM_PPLL2;
 		DRM_ERROR("unable to allocate a PPLL\n");
 		return ATOM_PPLL_INVALID;
-	} else if (ASIC_IS_AVIVO(rdev)) {
-		/* in DP mode, the DP ref clock can come from either PPLL
-		 * depending on the asic:
-		 * DCE3: PPLL1 or PPLL2
-		 */
-		if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) {
-			/* use the same PPLL for all DP monitors */
-			pll = radeon_get_shared_dp_ppll(crtc);
-			if (pll != ATOM_PPLL_INVALID)
-				return pll;
-		} else {
-			/* use the same PPLL for all monitors with the same clock */
-			pll = radeon_get_shared_nondp_ppll(crtc);
-			if (pll != ATOM_PPLL_INVALID)
-				return pll;
-		}
-		/* all other cases */
-		pll_in_use = radeon_get_pll_use_mask(crtc);
-		/* the order shouldn't matter here, but we probably
-		 * need this until we have atomic modeset
-		 */
-		if (rdev->flags & RADEON_IS_IGP) {
-			if (!(pll_in_use & (1 << ATOM_PPLL1)))
-				return ATOM_PPLL1;
-			if (!(pll_in_use & (1 << ATOM_PPLL2)))
-				return ATOM_PPLL2;
-		} else {
-			if (!(pll_in_use & (1 << ATOM_PPLL2)))
-				return ATOM_PPLL2;
-			if (!(pll_in_use & (1 << ATOM_PPLL1)))
-				return ATOM_PPLL1;
-		}
-		DRM_ERROR("unable to allocate a PPLL\n");
-		return ATOM_PPLL_INVALID;
 	} else {
 		/* on pre-R5xx asics, the crtc to pll mapping is hardcoded */
+		/* some atombios (observed in some DCE2/DCE3) code have a bug,
+		 * the matching btw pll and crtc is done through
+		 * PCLK_CRTC[1|2]_CNTL (0x480/0x484) but atombios code use the
+		 * pll (1 or 2) to select which register to write. ie if using
+		 * pll1 it will use PCLK_CRTC1_CNTL (0x480) and if using pll2
+		 * it will use PCLK_CRTC2_CNTL (0x484), it then use crtc id to
+		 * choose which value to write. Which is reverse order from
+		 * register logic. So only case that works is when pllid is
+		 * same as crtcid or when both pll and crtc are enabled and
+		 * both use same clock.
+		 *
+		 * So just return crtc id as if crtc and pll were hard linked
+		 * together even if they aren't
+		 */
 		return radeon_crtc->crtc_id;
 	}
 }
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 636bae0405e8..a0f73092176e 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -963,7 +963,7 @@ static void raid1_unplug(struct blk_plug_cb *cb, bool from_schedule)
 	struct r1conf *conf = mddev->private;
 	struct bio *bio;
 
-	if (from_schedule) {
+	if (from_schedule || current->bio_list) {
 		spin_lock_irq(&conf->device_lock);
 		bio_list_merge(&conf->pending_bio_list, &plug->pending);
 		conf->pending_count += plug->pending_cnt;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 0d5d0ff2c0f7..c9acbd717131 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1069,7 +1069,7 @@ static void raid10_unplug(struct blk_plug_cb *cb, bool from_schedule)
 	struct r10conf *conf = mddev->private;
 	struct bio *bio;
 
-	if (from_schedule) {
+	if (from_schedule || current->bio_list) {
 		spin_lock_irq(&conf->device_lock);
 		bio_list_merge(&conf->pending_bio_list, &plug->pending);
 		conf->pending_count += plug->pending_cnt;
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index ec794a72975d..374c46dff7dd 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -1077,8 +1077,7 @@ EXPORT_SYMBOL_GPL(mtd_writev);
  * until the request succeeds or until the allocation size falls below
  * the system page size. This attempts to make sure it does not adversely
  * impact system performance, so when allocating more than one page, we
- * ask the memory allocator to avoid re-trying, swapping, writing back
- * or performing I/O.
+ * ask the memory allocator to avoid re-trying.
  *
  * Note, this function also makes sure that the allocated buffer is aligned to
  * the MTD device's min. I/O unit, i.e. the "mtd->writesize" value.
@@ -1092,8 +1091,7 @@ EXPORT_SYMBOL_GPL(mtd_writev);
  */
 void *mtd_kmalloc_up_to(const struct mtd_info *mtd, size_t *size)
 {
-	gfp_t flags = __GFP_NOWARN | __GFP_WAIT |
-		       __GFP_NORETRY | __GFP_NO_KSWAPD;
+	gfp_t flags = __GFP_NOWARN | __GFP_WAIT | __GFP_NORETRY;
 	size_t min_alloc = max_t(size_t, mtd->writesize, PAGE_SIZE);
 	void *kbuf;
 
diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c
index e9a3da588e95..760776b3d66c 100644
--- a/drivers/net/wan/ixp4xx_hss.c
+++ b/drivers/net/wan/ixp4xx_hss.c
@@ -1365,7 +1365,7 @@ static int __devinit hss_init_one(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, port);
 
-	netdev_info(dev, "HSS-%i\n", port->id);
+	netdev_info(dev, "initialized\n");
 	return 0;
 
 err_free_netdev:
diff --git a/drivers/remoteproc/remoteproc_virtio.c b/drivers/remoteproc/remoteproc_virtio.c
index e7a4780e93db..9e198e590675 100644
--- a/drivers/remoteproc/remoteproc_virtio.c
+++ b/drivers/remoteproc/remoteproc_virtio.c
@@ -120,15 +120,11 @@ static struct virtqueue *rp_find_vq(struct virtio_device *vdev,
 	return vq;
 }
 
-static void rproc_virtio_del_vqs(struct virtio_device *vdev)
+static void __rproc_virtio_del_vqs(struct virtio_device *vdev)
 {
 	struct virtqueue *vq, *n;
-	struct rproc *rproc = vdev_to_rproc(vdev);
 	struct rproc_vring *rvring;
 
-	/* power down the remote processor before deleting vqs */
-	rproc_shutdown(rproc);
-
 	list_for_each_entry_safe(vq, n, &vdev->vqs, list) {
 		rvring = vq->priv;
 		rvring->vq = NULL;
@@ -137,6 +133,16 @@ static void rproc_virtio_del_vqs(struct virtio_device *vdev)
 	}
 }
 
+static void rproc_virtio_del_vqs(struct virtio_device *vdev)
+{
+	struct rproc *rproc = vdev_to_rproc(vdev);
+
+	/* power down the remote processor before deleting vqs */
+	rproc_shutdown(rproc);
+
+	__rproc_virtio_del_vqs(vdev);
+}
+
 static int rproc_virtio_find_vqs(struct virtio_device *vdev, unsigned nvqs,
 		       struct virtqueue *vqs[],
 		       vq_callback_t *callbacks[],
@@ -163,7 +169,7 @@ static int rproc_virtio_find_vqs(struct virtio_device *vdev, unsigned nvqs,
 	return 0;
 
 error:
-	rproc_virtio_del_vqs(vdev);
+	__rproc_virtio_del_vqs(vdev);
 	return ret;
 }
 
diff --git a/drivers/rtc/rtc-tps65910.c b/drivers/rtc/rtc-tps65910.c
index 7a82337e4dee..073108dcf9e7 100644
--- a/drivers/rtc/rtc-tps65910.c
+++ b/drivers/rtc/rtc-tps65910.c
@@ -288,11 +288,11 @@ static int __devinit tps65910_rtc_probe(struct platform_device *pdev)
 static int __devexit tps65910_rtc_remove(struct platform_device *pdev)
 {
 	/* leave rtc running, but disable irqs */
-	struct rtc_device *rtc = platform_get_drvdata(pdev);
+	struct tps65910_rtc *tps_rtc = platform_get_drvdata(pdev);
 
-	tps65910_rtc_alarm_irq_enable(&rtc->dev, 0);
+	tps65910_rtc_alarm_irq_enable(&pdev->dev, 0);
 
-	rtc_device_unregister(rtc);
+	rtc_device_unregister(tps_rtc->rtc);
 	return 0;
 }
 
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 9097155e9ebe..dcecbfb17243 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1819,8 +1819,10 @@ void target_execute_cmd(struct se_cmd *cmd)
 	/*
 	 * If the received CDB has aleady been aborted stop processing it here.
 	 */
-	if (transport_check_aborted_status(cmd, 1))
+	if (transport_check_aborted_status(cmd, 1)) {
+		complete(&cmd->t_transport_stop_comp);
 		return;
+	}
 
 	/*
 	 * Determine if IOCTL context caller in requesting the stopping of this
@@ -3067,7 +3069,7 @@ void transport_send_task_abort(struct se_cmd *cmd)
 	unsigned long flags;
 
 	spin_lock_irqsave(&cmd->t_state_lock, flags);
-	if (cmd->se_cmd_flags & SCF_SENT_CHECK_CONDITION) {
+	if (cmd->se_cmd_flags & (SCF_SENT_CHECK_CONDITION | SCF_SENT_DELAYED_TAS)) {
 		spin_unlock_irqrestore(&cmd->t_state_lock, flags);
 		return;
 	}