Merge tag 'asoc-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v3.7 A couple of driver fixes, one that improves the interoperability of WM8994 with controllers that are sensitive to extra BCLK cycles and some build break fixes for ux500.
author: Takashi Iwai <tiwai@suse.de> 2012-10-25 23:20:36 +0400
committer: Takashi Iwai <tiwai@suse.de> 2012-10-25 23:20:36 +0400
commit: c64064ce9376a404e0888ca4a2985c8a4c16cec3 (patch)
tree: f34d3b84ca970fdb381dad9a195c1367ce5d10f4 /drivers
parent: 21b3de881b38a84002c07b1b4bfb91892644e83f (diff)
parent: 456ba5a7802e58eccb5aa9751b3ab515ef99b9ca (diff)
download: linux-c64064ce9376a404e0888ca4a2985c8a4c16cec3.tar.xz
106 files changed, 1252 insertions, 949 deletions
diff --git a/drivers/Makefile b/drivers/Makefile
index 03da5b663aef..a16a8d001ae0 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -17,6 +17,10 @@ obj-$(CONFIG_PARISC)		+= parisc/
 obj-$(CONFIG_RAPIDIO)		+= rapidio/
 obj-y				+= video/
 obj-y				+= idle/
+
+# IPMI must come before ACPI in order to provide IPMI opregion support
+obj-$(CONFIG_IPMI_HANDLER)	+= char/ipmi/
+
 obj-$(CONFIG_ACPI)		+= acpi/
 obj-$(CONFIG_SFI)		+= sfi/
 # PnP must come after ACPI since it will eventually need to check if acpi
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 47199e2a9130..82422fe90f81 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -47,6 +47,10 @@ acpi-y				+= video_detect.o
 endif
 
 # These are (potentially) separate modules
+
+# IPMI may be used by other drivers, so it has to initialise before them
+obj-$(CONFIG_ACPI_IPMI)		+= acpi_ipmi.o
+
 obj-$(CONFIG_ACPI_AC) 		+= ac.o
 obj-$(CONFIG_ACPI_BUTTON)	+= button.o
 obj-$(CONFIG_ACPI_FAN)		+= fan.o
@@ -70,6 +74,5 @@ processor-y			+= processor_idle.o processor_thermal.o
 processor-$(CONFIG_CPU_FREQ)	+= processor_perflib.o
 
 obj-$(CONFIG_ACPI_PROCESSOR_AGGREGATOR) += acpi_pad.o
-obj-$(CONFIG_ACPI_IPMI)		+= acpi_ipmi.o
 
 obj-$(CONFIG_ACPI_APEI)		+= apei/
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index d0b27a39f1d4..7ff1d0d208a7 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -52,7 +52,6 @@ obj-$(CONFIG_TELCLOCK)		+= tlclk.o
 obj-$(CONFIG_MWAVE)		+= mwave/
 obj-$(CONFIG_AGP)		+= agp/
 obj-$(CONFIG_PCMCIA)		+= pcmcia/
-obj-$(CONFIG_IPMI_HANDLER)	+= ipmi/
 
 obj-$(CONFIG_HANGCHECK_TIMER)	+= hangcheck-timer.o
 obj-$(CONFIG_TCG_TPM)		+= tpm/
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index e01f5eaaec82..38390f7c6ab6 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -667,7 +667,7 @@ static int intel_gtt_init(void)
 	gtt_map_size = intel_private.base.gtt_total_entries * 4;
 
 	intel_private.gtt = NULL;
-	if (INTEL_GTT_GEN < 6)
+	if (INTEL_GTT_GEN < 6 && INTEL_GTT_GEN > 2)
 		intel_private.gtt = ioremap_wc(intel_private.gtt_bus_addr,
 					       gtt_map_size);
 	if (intel_private.gtt == NULL)
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 2c29942b1326..a0c84bb30856 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -1880,7 +1880,7 @@ int ipmi_request_supply_msgs(ipmi_user_t          user,
 			     struct ipmi_recv_msg *supplied_recv,
 			     int                  priority)
 {
-	unsigned char saddr, lun;
+	unsigned char saddr = 0, lun = 0;
 	int           rv;
 
 	if (!user)
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 83f85cf7fb1b..32a6c7e256bd 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2424,6 +2424,38 @@ static void ipmi_pci_cleanup(struct smi_info *info)
 	pci_disable_device(pdev);
 }
 
+static int __devinit ipmi_pci_probe_regspacing(struct smi_info *info)
+{
+	if (info->si_type == SI_KCS) {
+		unsigned char	status;
+		int		regspacing;
+
+		info->io.regsize = DEFAULT_REGSIZE;
+		info->io.regshift = 0;
+		info->io_size = 2;
+		info->handlers = &kcs_smi_handlers;
+
+		/* detect 1, 4, 16byte spacing */
+		for (regspacing = DEFAULT_REGSPACING; regspacing <= 16;) {
+			info->io.regspacing = regspacing;
+			if (info->io_setup(info)) {
+				dev_err(info->dev,
+					"Could not setup I/O space\n");
+				return DEFAULT_REGSPACING;
+			}
+			/* write invalid cmd */
+			info->io.outputb(&info->io, 1, 0x10);
+			/* read status back */
+			status = info->io.inputb(&info->io, 1);
+			info->io_cleanup(info);
+			if (status)
+				return regspacing;
+			regspacing *= 4;
+		}
+	}
+	return DEFAULT_REGSPACING;
+}
+
 static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
 				    const struct pci_device_id *ent)
 {
@@ -2476,8 +2508,8 @@ static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
 	}
 	info->io.addr_data = pci_resource_start(pdev, 0);
 
-	info->io.regspacing = DEFAULT_REGSPACING;
-	info->io.regsize = DEFAULT_REGSPACING;
+	info->io.regspacing = ipmi_pci_probe_regspacing(info);
+	info->io.regsize = DEFAULT_REGSIZE;
 	info->io.regshift = 0;
 
 	info->irq = pdev->irq;
diff --git a/drivers/firmware/memmap.c b/drivers/firmware/memmap.c
index c1cdc9236666..90723e65b081 100644
--- a/drivers/firmware/memmap.c
+++ b/drivers/firmware/memmap.c
@@ -237,7 +237,7 @@ static ssize_t memmap_attr_show(struct kobject *kobj,
  * firmware_map_add() or firmware_map_add_early() afterwards, the entries
  * are not added to sysfs.
  */
-static int __init memmap_init(void)
+static int __init firmware_memmap_init(void)
 {
 	struct firmware_map_entry *entry;
 
@@ -246,5 +246,5 @@ static int __init memmap_init(void)
 
 	return 0;
 }
-late_initcall(memmap_init);
+late_initcall(firmware_memmap_init);
 
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index 902af437eaf2..7a874129e5d8 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -381,11 +381,13 @@ static int mvebu_gpio_irq_set_type(struct irq_data *d, unsigned int type)
 		u = readl_relaxed(mvebu_gpioreg_in_pol(mvchip));
 		u &= ~(1 << pin);
 		writel_relaxed(u, mvebu_gpioreg_in_pol(mvchip));
+		break;
 	case IRQ_TYPE_EDGE_FALLING:
 	case IRQ_TYPE_LEVEL_LOW:
 		u = readl_relaxed(mvebu_gpioreg_in_pol(mvchip));
 		u |= 1 << pin;
 		writel_relaxed(u, mvebu_gpioreg_in_pol(mvchip));
+		break;
 	case IRQ_TYPE_EDGE_BOTH: {
 		u32 v;
 
@@ -401,6 +403,7 @@ static int mvebu_gpio_irq_set_type(struct irq_data *d, unsigned int type)
 		else
 			u &= ~(1 << pin);	/* rising */
 		writel_relaxed(u, mvebu_gpioreg_in_pol(mvchip));
+		break;
 	}
 	}
 	return 0;
diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c
index cdf8b1e7602d..441ebc1bdbef 100644
--- a/drivers/gpu/drm/drm_info.c
+++ b/drivers/gpu/drm/drm_info.c
@@ -239,7 +239,7 @@ int drm_vma_info(struct seq_file *m, void *data)
 	mutex_lock(&dev->struct_mutex);
 	seq_printf(m, "vma use count: %d, high_memory = %pK, 0x%pK\n",
 		   atomic_read(&dev->vma_count),
-		   high_memory, (void *)virt_to_phys(high_memory));
+		   high_memory, (void *)(unsigned long)virt_to_phys(high_memory));
 
 	list_for_each_entry(pt, &dev->vmalist, head) {
 		vma = pt->vma;
diff --git a/drivers/gpu/drm/i915/dvo_ch7xxx.c b/drivers/gpu/drm/i915/dvo_ch7xxx.c
index 38f3a6cb8c7d..3edd981e0770 100644
--- a/drivers/gpu/drm/i915/dvo_ch7xxx.c
+++ b/drivers/gpu/drm/i915/dvo_ch7xxx.c
@@ -303,10 +303,10 @@ static bool ch7xxx_get_hw_state(struct intel_dvo_device *dvo)
 
 	ch7xxx_readb(dvo, CH7xxx_PM, &val);
 
-	if (val & CH7xxx_PM_FPD)
-		return false;
-	else
+	if (val & (CH7xxx_PM_DVIL | CH7xxx_PM_DVIP))
 		return true;
+	else
+		return false;
 }
 
 static void ch7xxx_dump_regs(struct intel_dvo_device *dvo)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 4f2831aa5fed..b84f7861e438 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1341,9 +1341,14 @@ int __must_check i915_gem_object_get_pages(struct drm_i915_gem_object *obj);
 static inline struct page *i915_gem_object_get_page(struct drm_i915_gem_object *obj, int n)
 {
 	struct scatterlist *sg = obj->pages->sgl;
-	while (n >= SG_MAX_SINGLE_ALLOC) {
+	int nents = obj->pages->nents;
+	while (nents > SG_MAX_SINGLE_ALLOC) {
+		if (n < SG_MAX_SINGLE_ALLOC - 1)
+			break;
+
 		sg = sg_chain_ptr(sg + SG_MAX_SINGLE_ALLOC - 1);
 		n -= SG_MAX_SINGLE_ALLOC - 1;
+		nents -= SG_MAX_SINGLE_ALLOC - 1;
 	}
 	return sg_page(sg+n);
 }
@@ -1427,7 +1432,7 @@ int __must_check i915_gpu_idle(struct drm_device *dev);
 int __must_check i915_gem_idle(struct drm_device *dev);
 int i915_add_request(struct intel_ring_buffer *ring,
 		     struct drm_file *file,
-		     struct drm_i915_gem_request *request);
+		     u32 *seqno);
 int __must_check i915_wait_seqno(struct intel_ring_buffer *ring,
 				 uint32_t seqno);
 int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 19dbdd7dd564..d33d02d13c96 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1955,11 +1955,12 @@ i915_gem_next_request_seqno(struct intel_ring_buffer *ring)
 int
 i915_add_request(struct intel_ring_buffer *ring,
 		 struct drm_file *file,
-		 struct drm_i915_gem_request *request)
+		 u32 *out_seqno)
 {
 	drm_i915_private_t *dev_priv = ring->dev->dev_private;
-	uint32_t seqno;
+	struct drm_i915_gem_request *request;
 	u32 request_ring_position;
+	u32 seqno;
 	int was_empty;
 	int ret;
 
@@ -1974,11 +1975,9 @@ i915_add_request(struct intel_ring_buffer *ring,
 	if (ret)
 		return ret;
 
-	if (request == NULL) {
-		request = kmalloc(sizeof(*request), GFP_KERNEL);
-		if (request == NULL)
-			return -ENOMEM;
-	}
+	request = kmalloc(sizeof(*request), GFP_KERNEL);
+	if (request == NULL)
+		return -ENOMEM;
 
 	seqno = i915_gem_next_request_seqno(ring);
 
@@ -2030,6 +2029,8 @@ i915_add_request(struct intel_ring_buffer *ring,
 		}
 	}
 
+	if (out_seqno)
+		*out_seqno = seqno;
 	return 0;
 }
 
@@ -3959,6 +3960,9 @@ i915_gem_init_hw(struct drm_device *dev)
 	if (!intel_enable_gtt())
 		return -EIO;
 
+	if (IS_HASWELL(dev) && (I915_READ(0x120010) == 1))
+		I915_WRITE(0x9008, I915_READ(0x9008) | 0xf0000);
+
 	i915_gem_l3_remap(dev);
 
 	i915_gem_init_swizzling(dev);
@@ -4098,7 +4102,6 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
 	}
 
 	BUG_ON(!list_empty(&dev_priv->mm.active_list));
-	BUG_ON(!list_empty(&dev_priv->mm.inactive_list));
 	mutex_unlock(&dev->struct_mutex);
 
 	ret = drm_irq_install(dev);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 64c1be0a9cfd..a4162ddff6c5 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -521,7 +521,7 @@
  */
 # define _3D_CHICKEN2_WM_READ_PIPELINED			(1 << 14)
 #define _3D_CHICKEN3	0x02090
-#define  _3D_CHICKEN_SF_DISABLE_FASTCLIP_CULL		(1 << 5)
+#define  _3D_CHICKEN3_SF_DISABLE_FASTCLIP_CULL		(1 << 5)
 
 #define MI_MODE		0x0209c
 # define VS_TIMER_DISPATCH				(1 << 6)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2b6ce9b2674a..682bd3729baf 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3253,6 +3253,16 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
 
 	if (HAS_PCH_CPT(dev))
 		intel_cpt_verify_modeset(dev, intel_crtc->pipe);
+
+	/*
+	 * There seems to be a race in PCH platform hw (at least on some
+	 * outputs) where an enabled pipe still completes any pageflip right
+	 * away (as if the pipe is off) instead of waiting for vblank. As soon
+	 * as the first vblank happend, everything works as expected. Hence just
+	 * wait for one vblank before returning to avoid strange things
+	 * happening.
+	 */
+	intel_wait_for_vblank(dev, intel_crtc->pipe);
 }
 
 static void ironlake_crtc_disable(struct drm_crtc *crtc)
@@ -7892,8 +7902,7 @@ static struct intel_quirk intel_quirks[] = {
 	/* ThinkPad T60 needs pipe A force quirk (bug #16494) */
 	{ 0x2782, 0x17aa, 0x201a, quirk_pipea_force },
 
-	/* 855 & before need to leave pipe A & dpll A up */
-	{ 0x3582, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force },
+	/* 830/845 need to leave pipe A & dpll A up */
 	{ 0x2562, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force },
 	{ 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force },
 
@@ -8049,29 +8058,42 @@ static void intel_enable_pipe_a(struct drm_device *dev)
 
 }
 
+static bool
+intel_check_plane_mapping(struct intel_crtc *crtc)
+{
+	struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
+	u32 reg, val;
+
+	if (dev_priv->num_pipe == 1)
+		return true;
+
+	reg = DSPCNTR(!crtc->plane);
+	val = I915_READ(reg);
+
+	if ((val & DISPLAY_PLANE_ENABLE) &&
+	    (!!(val & DISPPLANE_SEL_PIPE_MASK) == crtc->pipe))
+		return false;
+
+	return true;
+}
+
 static void intel_sanitize_crtc(struct intel_crtc *crtc)
 {
 	struct drm_device *dev = crtc->base.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	u32 reg, val;
+	u32 reg;
 
 	/* Clear any frame start delays used for debugging left by the BIOS */
 	reg = PIPECONF(crtc->pipe);
 	I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK);
 
 	/* We need to sanitize the plane -> pipe mapping first because this will
-	 * disable the crtc (and hence change the state) if it is wrong. */
-	if (!HAS_PCH_SPLIT(dev)) {
+	 * disable the crtc (and hence change the state) if it is wrong. Note
+	 * that gen4+ has a fixed plane -> pipe mapping.  */
+	if (INTEL_INFO(dev)->gen < 4 && !intel_check_plane_mapping(crtc)) {
 		struct intel_connector *connector;
 		bool plane;
 
-		reg = DSPCNTR(crtc->plane);
-		val = I915_READ(reg);
-
-		if ((val & DISPLAY_PLANE_ENABLE) == 0 &&
-		    (!!(val & DISPPLANE_SEL_PIPE_MASK) == crtc->pipe))
-			goto ok;
-
 		DRM_DEBUG_KMS("[CRTC:%d] wrong plane connection detected!\n",
 			      crtc->base.base.id);
 
@@ -8095,7 +8117,6 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc)
 		WARN_ON(crtc->active);
 		crtc->base.enabled = false;
 	}
-ok:
 
 	if (dev_priv->quirks & QUIRK_PIPEA_FORCE &&
 	    crtc->pipe == PIPE_A && !crtc->active) {
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index d1e8ddb2d6c0..1b727a5c9ee5 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2369,8 +2369,9 @@ static void
 intel_dp_destroy(struct drm_connector *connector)
 {
 	struct drm_device *dev = connector->dev;
+	struct intel_dp *intel_dp = intel_attached_dp(connector);
 
-	if (intel_dpd_is_edp(dev))
+	if (is_edp(intel_dp))
 		intel_panel_destroy_backlight(dev);
 
 	drm_sysfs_connector_remove(connector);
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index ebff850a9ab6..495625914e4a 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -209,7 +209,6 @@ static void intel_overlay_unmap_regs(struct intel_overlay *overlay,
 }
 
 static int intel_overlay_do_wait_request(struct intel_overlay *overlay,
-					 struct drm_i915_gem_request *request,
 					 void (*tail)(struct intel_overlay *))
 {
 	struct drm_device *dev = overlay->dev;
@@ -218,12 +217,10 @@ static int intel_overlay_do_wait_request(struct intel_overlay *overlay,
 	int ret;
 
 	BUG_ON(overlay->last_flip_req);
-	ret = i915_add_request(ring, NULL, request);
-	if (ret) {
-	    kfree(request);
-	    return ret;
-	}
-	overlay->last_flip_req = request->seqno;
+	ret = i915_add_request(ring, NULL, &overlay->last_flip_req);
+	if (ret)
+		return ret;
+
 	overlay->flip_tail = tail;
 	ret = i915_wait_seqno(ring, overlay->last_flip_req);
 	if (ret)
@@ -240,7 +237,6 @@ static int intel_overlay_on(struct intel_overlay *overlay)
 	struct drm_device *dev = overlay->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
-	struct drm_i915_gem_request *request;
 	int ret;
 
 	BUG_ON(overlay->active);
@@ -248,17 +244,9 @@ static int intel_overlay_on(struct intel_overlay *overlay)
 
 	WARN_ON(IS_I830(dev) && !(dev_priv->quirks & QUIRK_PIPEA_FORCE));
 
-	request = kzalloc(sizeof(*request), GFP_KERNEL);
-	if (request == NULL) {
-		ret = -ENOMEM;
-		goto out;
-	}
-
 	ret = intel_ring_begin(ring, 4);
-	if (ret) {
-		kfree(request);
-		goto out;
-	}
+	if (ret)
+		return ret;
 
 	intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_ON);
 	intel_ring_emit(ring, overlay->flip_addr | OFC_UPDATE);
@@ -266,9 +254,7 @@ static int intel_overlay_on(struct intel_overlay *overlay)
 	intel_ring_emit(ring, MI_NOOP);
 	intel_ring_advance(ring);
 
-	ret = intel_overlay_do_wait_request(overlay, request, NULL);
-out:
-	return ret;
+	return intel_overlay_do_wait_request(overlay, NULL);
 }
 
 /* overlay needs to be enabled in OCMD reg */
@@ -278,17 +264,12 @@ static int intel_overlay_continue(struct intel_overlay *overlay,
 	struct drm_device *dev = overlay->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
-	struct drm_i915_gem_request *request;
 	u32 flip_addr = overlay->flip_addr;
 	u32 tmp;
 	int ret;
 
 	BUG_ON(!overlay->active);
 
-	request = kzalloc(sizeof(*request), GFP_KERNEL);
-	if (request == NULL)
-		return -ENOMEM;
-
 	if (load_polyphase_filter)
 		flip_addr |= OFC_UPDATE;
 
@@ -298,22 +279,14 @@ static int intel_overlay_continue(struct intel_overlay *overlay,
 		DRM_DEBUG("overlay underrun, DOVSTA: %x\n", tmp);
 
 	ret = intel_ring_begin(ring, 2);
-	if (ret) {
-		kfree(request);
+	if (ret)
 		return ret;
-	}
+
 	intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
 	intel_ring_emit(ring, flip_addr);
 	intel_ring_advance(ring);
 
-	ret = i915_add_request(ring, NULL, request);
-	if (ret) {
-		kfree(request);
-		return ret;
-	}
-
-	overlay->last_flip_req = request->seqno;
-	return 0;
+	return i915_add_request(ring, NULL, &overlay->last_flip_req);
 }
 
 static void intel_overlay_release_old_vid_tail(struct intel_overlay *overlay)
@@ -349,15 +322,10 @@ static int intel_overlay_off(struct intel_overlay *overlay)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
 	u32 flip_addr = overlay->flip_addr;
-	struct drm_i915_gem_request *request;
 	int ret;
 
 	BUG_ON(!overlay->active);
 
-	request = kzalloc(sizeof(*request), GFP_KERNEL);
-	if (request == NULL)
-		return -ENOMEM;
-
 	/* According to intel docs the overlay hw may hang (when switching
 	 * off) without loading the filter coeffs. It is however unclear whether
 	 * this applies to the disabling of the overlay or to the switching off
@@ -365,10 +333,9 @@ static int intel_overlay_off(struct intel_overlay *overlay)
 	flip_addr |= OFC_UPDATE;
 
 	ret = intel_ring_begin(ring, 6);
-	if (ret) {
-		kfree(request);
+	if (ret)
 		return ret;
-	}
+
 	/* wait for overlay to go idle */
 	intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
 	intel_ring_emit(ring, flip_addr);
@@ -379,8 +346,7 @@ static int intel_overlay_off(struct intel_overlay *overlay)
 	intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
 	intel_ring_advance(ring);
 
-	return intel_overlay_do_wait_request(overlay, request,
-					     intel_overlay_off_tail);
+	return intel_overlay_do_wait_request(overlay, intel_overlay_off_tail);
 }
 
 /* recover from an interruption due to a signal
@@ -425,24 +391,16 @@ static int intel_overlay_release_old_vid(struct intel_overlay *overlay)
 		return 0;
 
 	if (I915_READ(ISR) & I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT) {
-		struct drm_i915_gem_request *request;
-
 		/* synchronous slowpath */
-		request = kzalloc(sizeof(*request), GFP_KERNEL);
-		if (request == NULL)
-			return -ENOMEM;
-
 		ret = intel_ring_begin(ring, 2);
-		if (ret) {
-			kfree(request);
+		if (ret)
 			return ret;
-		}
 
 		intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
 		intel_ring_emit(ring, MI_NOOP);
 		intel_ring_advance(ring);
 
-		ret = intel_overlay_do_wait_request(overlay, request,
+		ret = intel_overlay_do_wait_request(overlay,
 						    intel_overlay_release_old_vid_tail);
 		if (ret)
 			return ret;
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index b3b4b6cea8b0..72f41aaa71ff 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3442,8 +3442,8 @@ static void gen6_init_clock_gating(struct drm_device *dev)
 		   GEN6_RCCUNIT_CLOCK_GATE_DISABLE);
 
 	/* Bspec says we need to always set all mask bits. */
-	I915_WRITE(_3D_CHICKEN, (0xFFFF << 16) |
-		   _3D_CHICKEN_SF_DISABLE_FASTCLIP_CULL);
+	I915_WRITE(_3D_CHICKEN3, (0xFFFF << 16) |
+		   _3D_CHICKEN3_SF_DISABLE_FASTCLIP_CULL);
 
 	/*
 	 * According to the spec the following bits should be
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c b/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
index 9ed6e728a94c..7d750382a833 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
@@ -43,7 +43,7 @@ dcb_table(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
 	*ver = nv_ro08(bios, dcb);
 
 	if (*ver >= 0x41) {
-		nv_warn(bios, "DCB *ver 0x%02x unknown\n", *ver);
+		nv_warn(bios, "DCB version 0x%02x unknown\n", *ver);
 		return 0x0000;
 	} else
 	if (*ver >= 0x30) {
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c
index 436e9efe7ef5..42d7539e6525 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c
@@ -277,7 +277,6 @@ nv50_fb_dtor(struct nouveau_object *object)
 		__free_page(priv->r100c08_page);
 	}
 
-	nouveau_mm_fini(&priv->base.vram);
 	nouveau_fb_destroy(&priv->base);
 }
 
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c b/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c
index b29237970fa0..523178685180 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c
@@ -134,7 +134,7 @@ nouveau_therm_fan_sense(struct nouveau_therm *therm)
 	end = ptimer->read(ptimer);
 
 	if (cycles == 5) {
-		tach = (u64)60000000000;
+		tach = (u64)60000000000ULL;
 		do_div(tach, (end - start));
 		return tach;
 	} else
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 259e5f1adf47..35ac57f0aab6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -456,6 +456,7 @@ static struct ttm_tt *
 nouveau_ttm_tt_create(struct ttm_bo_device *bdev, unsigned long size,
 		      uint32_t page_flags, struct page *dummy_read)
 {
+#if __OS_HAS_AGP
 	struct nouveau_drm *drm = nouveau_bdev(bdev);
 	struct drm_device *dev = drm->dev;
 
@@ -463,6 +464,7 @@ nouveau_ttm_tt_create(struct ttm_bo_device *bdev, unsigned long size,
 		return ttm_agp_tt_create(bdev, dev->agp->bridge, size,
 					 page_flags, dummy_read);
 	}
+#endif
 
 	return nouveau_sgdma_create_ttm(bdev, size, page_flags, dummy_read);
 }
diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.c b/drivers/gpu/drm/nouveau/nouveau_pm.c
index 0bf64c90aa20..5566172774df 100644
--- a/drivers/gpu/drm/nouveau/nouveau_pm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_pm.c
@@ -52,7 +52,7 @@ nouveau_pm_perflvl_aux(struct drm_device *dev, struct nouveau_pm_level *perflvl,
 {
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct nouveau_pm *pm = nouveau_pm(dev);
-	struct nouveau_therm *therm = nouveau_therm(drm);
+	struct nouveau_therm *therm = nouveau_therm(drm->device);
 	int ret;
 
 	/*XXX: not on all boards, we should control based on temperature
@@ -64,7 +64,6 @@ nouveau_pm_perflvl_aux(struct drm_device *dev, struct nouveau_pm_level *perflvl,
 		ret = therm->fan_set(therm, perflvl->fanspeed);
 		if (ret && ret != -ENODEV) {
 			NV_ERROR(drm, "fanspeed set failed: %d\n", ret);
-			return ret;
 		}
 	}
 
@@ -706,8 +705,7 @@ nouveau_hwmon_init(struct drm_device *dev)
 	struct device *hwmon_dev;
 	int ret = 0;
 
-	if (!therm || !therm->temp_get || !therm->attr_get ||
-		!therm->attr_set || therm->temp_get(therm) < 0)
+	if (!therm || !therm->temp_get || !therm->attr_get || !therm->attr_set)
 		return -ENODEV;
 
 	hwmon_dev = hwmon_device_register(&dev->pdev->dev);
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 96184d02c8d9..2e566e123e9e 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1690,10 +1690,10 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
 		}
 		/* all other cases */
 		pll_in_use = radeon_get_pll_use_mask(crtc);
-		if (!(pll_in_use & (1 << ATOM_PPLL2)))
-			return ATOM_PPLL2;
 		if (!(pll_in_use & (1 << ATOM_PPLL1)))
 			return ATOM_PPLL1;
+		if (!(pll_in_use & (1 << ATOM_PPLL2)))
+			return ATOM_PPLL2;
 		DRM_ERROR("unable to allocate a PPLL\n");
 		return ATOM_PPLL_INVALID;
 	} else {
@@ -1715,10 +1715,10 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
 			}
 			/* all other cases */
 			pll_in_use = radeon_get_pll_use_mask(crtc);
-			if (!(pll_in_use & (1 << ATOM_PPLL2)))
-				return ATOM_PPLL2;
 			if (!(pll_in_use & (1 << ATOM_PPLL1)))
 				return ATOM_PPLL1;
+			if (!(pll_in_use & (1 << ATOM_PPLL2)))
+				return ATOM_PPLL2;
 			DRM_ERROR("unable to allocate a PPLL\n");
 			return ATOM_PPLL_INVALID;
 		} else {
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index a1f49c5fd74b..14313ad43b76 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -3431,9 +3431,14 @@ void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
 	if (!(mask & DRM_PCIE_SPEED_50))
 		return;
 
+	speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
+	if (speed_cntl & LC_CURRENT_DATA_RATE) {
+		DRM_INFO("PCIE gen 2 link speeds already enabled\n");
+		return;
+	}
+
 	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
 
-	speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
 	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
 	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
 
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 8bcb554ea0c5..8c74c729586d 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -770,9 +770,13 @@ static int cayman_pcie_gart_enable(struct radeon_device *rdev)
 	WREG32(0x15DC, 0);
 
 	/* empty context1-7 */
+	/* Assign the pt base to something valid for now; the pts used for
+	 * the VMs are determined by the application and setup and assigned
+	 * on the fly in the vm part of radeon_gart.c
+	 */
 	for (i = 1; i < 8; i++) {
 		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
-		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), 0);
+		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), rdev->vm_manager.max_pfn);
 		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
 			rdev->gart.table_addr >> 12);
 	}
@@ -1572,12 +1576,6 @@ void cayman_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
 	if (vm == NULL)
 		return;
 
-	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (vm->id << 2), 0));
-	radeon_ring_write(ring, 0);
-
-	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (vm->id << 2), 0));
-	radeon_ring_write(ring, vm->last_pfn);
-
 	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2), 0));
 	radeon_ring_write(ring, vm->pd_gpu_addr >> 12);
 
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 70c800ff6190..cda280d157da 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -3703,6 +3703,12 @@ static void r600_pcie_gen2_enable(struct radeon_device *rdev)
 	if (!(mask & DRM_PCIE_SPEED_50))
 		return;
 
+	speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
+	if (speed_cntl & LC_CURRENT_DATA_RATE) {
+		DRM_INFO("PCIE gen 2 link speeds already enabled\n");
+		return;
+	}
+
 	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
 
 	/* 55 nm r6xx asics */
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index b04c06444d8b..8c42d54c2e26 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -663,9 +663,14 @@ struct radeon_vm {
 	struct list_head		list;
 	struct list_head		va;
 	unsigned			id;
-	unsigned			last_pfn;
-	u64				pd_gpu_addr;
-	struct radeon_sa_bo		*sa_bo;
+
+	/* contains the page directory */
+	struct radeon_sa_bo		*page_directory;
+	uint64_t			pd_gpu_addr;
+
+	/* array of page tables, one for each page directory entry */
+	struct radeon_sa_bo		**page_tables;
+
 	struct mutex			mutex;
 	/* last fence for cs using this vm */
 	struct radeon_fence		*fence;
@@ -1843,9 +1848,10 @@ extern void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size
  */
 int radeon_vm_manager_init(struct radeon_device *rdev);
 void radeon_vm_manager_fini(struct radeon_device *rdev);
-int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm);
+void radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm);
 void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm);
 int radeon_vm_alloc_pt(struct radeon_device *rdev, struct radeon_vm *vm);
+void radeon_vm_add_to_lru(struct radeon_device *rdev, struct radeon_vm *vm);
 struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev,
 				       struct radeon_vm *vm, int ring);
 void radeon_vm_fence(struct radeon_device *rdev,
diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c b/drivers/gpu/drm/radeon/radeon_acpi.c
index b0a5688c67f8..196d28d99570 100644
--- a/drivers/gpu/drm/radeon/radeon_acpi.c
+++ b/drivers/gpu/drm/radeon/radeon_acpi.c
@@ -201,7 +201,7 @@ static int radeon_atif_verify_interface(acpi_handle handle,
 
 	size = *(u16 *) info->buffer.pointer;
 	if (size < 12) {
-		DRM_INFO("ATIF buffer is too small: %lu\n", size);
+		DRM_INFO("ATIF buffer is too small: %zu\n", size);
 		err = -EINVAL;
 		goto out;
 	}
@@ -370,6 +370,7 @@ int radeon_atif_handler(struct radeon_device *rdev,
 
 			radeon_set_backlight_level(rdev, enc, req.backlight_level);
 
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
 			if (rdev->is_atom_bios) {
 				struct radeon_encoder_atom_dig *dig = enc->enc_priv;
 				backlight_force_update(dig->bl_dev,
@@ -379,6 +380,7 @@ int radeon_atif_handler(struct radeon_device *rdev,
 				backlight_force_update(dig->bl_dev,
 						       BACKLIGHT_UPDATE_HOTKEY);
 			}
+#endif
 		}
 	}
 	/* TODO: check other events */
@@ -485,7 +487,7 @@ static int radeon_atcs_verify_interface(acpi_handle handle,
 
 	size = *(u16 *) info->buffer.pointer;
 	if (size < 8) {
-		DRM_INFO("ATCS buffer is too small: %lu\n", size);
+		DRM_INFO("ATCS buffer is too small: %zu\n", size);
 		err = -EINVAL;
 		goto out;
 	}
diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
index 582e99449c12..1aa3f910b993 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -148,7 +148,7 @@ static int radeon_atpx_verify_interface(struct radeon_atpx *atpx)
 
 	size = *(u16 *) info->buffer.pointer;
 	if (size < 8) {
-		printk("ATPX buffer is too small: %lu\n", size);
+		printk("ATPX buffer is too small: %zu\n", size);
 		err = -EINVAL;
 		goto out;
 	}
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index cb7b7c062fef..41672cc563fb 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -478,6 +478,7 @@ static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev,
 	}
 
 out:
+	radeon_vm_add_to_lru(rdev, vm);
 	mutex_unlock(&vm->mutex);
 	mutex_unlock(&rdev->vm_manager.lock);
 	return r;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 64a42647f08a..bd13ca09eb62 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1018,6 +1018,10 @@ int radeon_device_init(struct radeon_device *rdev,
 		return r;
 	/* initialize vm here */
 	mutex_init(&rdev->vm_manager.lock);
+	/* Adjust VM size here.
+	 * Currently set to 4GB ((1 << 20) 4k pages).
+	 * Max GPUVM size for cayman and SI is 40 bits.
+	 */
 	rdev->vm_manager.max_pfn = 1 << 20;
 	INIT_LIST_HEAD(&rdev->vm_manager.lru_vm);
 
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index f0c06d196b75..a7677dd1ce98 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -423,6 +423,18 @@ void radeon_gart_fini(struct radeon_device *rdev)
  */
 
 /**
+ * radeon_vm_num_pde - return the number of page directory entries
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Calculate the number of page directory entries (cayman+).
+ */
+static unsigned radeon_vm_num_pdes(struct radeon_device *rdev)
+{
+	return rdev->vm_manager.max_pfn >> RADEON_VM_BLOCK_SIZE;
+}
+
+/**
  * radeon_vm_directory_size - returns the size of the page directory in bytes
  *
  * @rdev: radeon_device pointer
@@ -431,7 +443,7 @@ void radeon_gart_fini(struct radeon_device *rdev)
  */
 static unsigned radeon_vm_directory_size(struct radeon_device *rdev)
 {
-	return (rdev->vm_manager.max_pfn >> RADEON_VM_BLOCK_SIZE) * 8;
+	return RADEON_GPU_PAGE_ALIGN(radeon_vm_num_pdes(rdev) * 8);
 }
 
 /**
@@ -451,11 +463,11 @@ int radeon_vm_manager_init(struct radeon_device *rdev)
 
 	if (!rdev->vm_manager.enabled) {
 		/* allocate enough for 2 full VM pts */
-		size = RADEON_GPU_PAGE_ALIGN(radeon_vm_directory_size(rdev));
-		size += RADEON_GPU_PAGE_ALIGN(rdev->vm_manager.max_pfn * 8);
+		size = radeon_vm_directory_size(rdev);
+		size += rdev->vm_manager.max_pfn * 8;
 		size *= 2;
 		r = radeon_sa_bo_manager_init(rdev, &rdev->vm_manager.sa_manager,
-					      size,
+					      RADEON_GPU_PAGE_ALIGN(size),
 					      RADEON_GEM_DOMAIN_VRAM);
 		if (r) {
 			dev_err(rdev->dev, "failed to allocate vm bo (%dKB)\n",
@@ -476,7 +488,7 @@ int radeon_vm_manager_init(struct radeon_device *rdev)
 
 	/* restore page table */
 	list_for_each_entry(vm, &rdev->vm_manager.lru_vm, list) {
-		if (vm->sa_bo == NULL)
+		if (vm->page_directory == NULL)
 			continue;
 
 		list_for_each_entry(bo_va, &vm->va, vm_list) {
@@ -500,16 +512,25 @@ static void radeon_vm_free_pt(struct radeon_device *rdev,
 				    struct radeon_vm *vm)
 {
 	struct radeon_bo_va *bo_va;
+	int i;
 
-	if (!vm->sa_bo)
+	if (!vm->page_directory)
 		return;
 
 	list_del_init(&vm->list);
-	radeon_sa_bo_free(rdev, &vm->sa_bo, vm->fence);
+	radeon_sa_bo_free(rdev, &vm->page_directory, vm->fence);
 
 	list_for_each_entry(bo_va, &vm->va, vm_list) {
 		bo_va->valid = false;
 	}
+
+	if (vm->page_tables == NULL)
+		return;
+
+	for (i = 0; i < radeon_vm_num_pdes(rdev); i++)
+		radeon_sa_bo_free(rdev, &vm->page_tables[i], vm->fence);
+
+	kfree(vm->page_tables);
 }
 
 /**
@@ -546,63 +567,106 @@ void radeon_vm_manager_fini(struct radeon_device *rdev)
 }
 
 /**
+ * radeon_vm_evict - evict page table to make room for new one
+ *
+ * @rdev: radeon_device pointer
+ * @vm: VM we want to allocate something for
+ *
+ * Evict a VM from the lru, making sure that it isn't @vm. (cayman+).
+ * Returns 0 for success, -ENOMEM for failure.
+ *
+ * Global and local mutex must be locked!
+ */
+int radeon_vm_evict(struct radeon_device *rdev, struct radeon_vm *vm)
+{
+	struct radeon_vm *vm_evict;
+
+	if (list_empty(&rdev->vm_manager.lru_vm))
+		return -ENOMEM;
+
+	vm_evict = list_first_entry(&rdev->vm_manager.lru_vm,
+				    struct radeon_vm, list);
+	if (vm_evict == vm)
+		return -ENOMEM;
+
+	mutex_lock(&vm_evict->mutex);
+	radeon_vm_free_pt(rdev, vm_evict);
+	mutex_unlock(&vm_evict->mutex);
+	return 0;
+}
+
+/**
  * radeon_vm_alloc_pt - allocates a page table for a VM
  *
  * @rdev: radeon_device pointer
  * @vm: vm to bind
  *
  * Allocate a page table for the requested vm (cayman+).
- * Also starts to populate the page table.
  * Returns 0 for success, error for failure.
  *
  * Global and local mutex must be locked!
  */
 int radeon_vm_alloc_pt(struct radeon_device *rdev, struct radeon_vm *vm)
 {
-	struct radeon_vm *vm_evict;
-	int r;
+	unsigned pd_size, pts_size;
 	u64 *pd_addr;
-	int tables_size;
+	int r;
 
 	if (vm == NULL) {
 		return -EINVAL;
 	}
 
-	/* allocate enough to cover the current VM size */
-	tables_size = RADEON_GPU_PAGE_ALIGN(radeon_vm_directory_size(rdev));
-	tables_size += RADEON_GPU_PAGE_ALIGN(vm->last_pfn * 8);
-
-	if (vm->sa_bo != NULL) {
-		/* update lru */
-		list_del_init(&vm->list);
-		list_add_tail(&vm->list, &rdev->vm_manager.lru_vm);
+	if (vm->page_directory != NULL) {
 		return 0;
 	}
 
 retry:
-	r = radeon_sa_bo_new(rdev, &rdev->vm_manager.sa_manager, &vm->sa_bo,
-			     tables_size, RADEON_GPU_PAGE_SIZE, false);
+	pd_size = RADEON_GPU_PAGE_ALIGN(radeon_vm_directory_size(rdev));
+	r = radeon_sa_bo_new(rdev, &rdev->vm_manager.sa_manager,
+			     &vm->page_directory, pd_size,
+			     RADEON_GPU_PAGE_SIZE, false);
 	if (r == -ENOMEM) {
-		if (list_empty(&rdev->vm_manager.lru_vm)) {
+		r = radeon_vm_evict(rdev, vm);
+		if (r)
 			return r;
-		}
-		vm_evict = list_first_entry(&rdev->vm_manager.lru_vm, struct radeon_vm, list);
-		mutex_lock(&vm_evict->mutex);
-		radeon_vm_free_pt(rdev, vm_evict);
-		mutex_unlock(&vm_evict->mutex);
 		goto retry;
 
 	} else if (r) {
 		return r;
 	}
 
-	pd_addr = radeon_sa_bo_cpu_addr(vm->sa_bo);
-	vm->pd_gpu_addr = radeon_sa_bo_gpu_addr(vm->sa_bo);
-	memset(pd_addr, 0, tables_size);
+	vm->pd_gpu_addr = radeon_sa_bo_gpu_addr(vm->page_directory);
+
+	/* Initially clear the page directory */
+	pd_addr = radeon_sa_bo_cpu_addr(vm->page_directory);
+	memset(pd_addr, 0, pd_size);
+
+	pts_size = radeon_vm_num_pdes(rdev) * sizeof(struct radeon_sa_bo *);
+	vm->page_tables = kzalloc(pts_size, GFP_KERNEL);
+
+	if (vm->page_tables == NULL) {
+		DRM_ERROR("Cannot allocate memory for page table array\n");
+		radeon_sa_bo_free(rdev, &vm->page_directory, vm->fence);
+		return -ENOMEM;
+	}
+
+	return 0;
+}
 
+/**
+ * radeon_vm_add_to_lru - add VMs page table to LRU list
+ *
+ * @rdev: radeon_device pointer
+ * @vm: vm to add to LRU
+ *
+ * Add the allocated page table to the LRU list (cayman+).
+ *
+ * Global mutex must be locked!
+ */
+void radeon_vm_add_to_lru(struct radeon_device *rdev, struct radeon_vm *vm)
+{
+	list_del_init(&vm->list);
 	list_add_tail(&vm->list, &rdev->vm_manager.lru_vm);
-	return radeon_vm_bo_update_pte(rdev, vm, rdev->ring_tmp_bo.bo,
-				       &rdev->ring_tmp_bo.bo->tbo.mem);
 }
 
 /**
@@ -793,20 +857,6 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev,
 	}
 
 	mutex_lock(&vm->mutex);
-	if (last_pfn > vm->last_pfn) {
-		/* release mutex and lock in right order */
-		mutex_unlock(&vm->mutex);
-		mutex_lock(&rdev->vm_manager.lock);
-		mutex_lock(&vm->mutex);
-		/* and check again */
-		if (last_pfn > vm->last_pfn) {
-			/* grow va space 32M by 32M */
-			unsigned align = ((32 << 20) >> 12) - 1;
-			radeon_vm_free_pt(rdev, vm);
-			vm->last_pfn = (last_pfn + align) & ~align;
-		}
-		mutex_unlock(&rdev->vm_manager.lock);
-	}
 	head = &vm->va;
 	last_offset = 0;
 	list_for_each_entry(tmp, &vm->va, vm_list) {
@@ -865,6 +915,155 @@ uint64_t radeon_vm_map_gart(struct radeon_device *rdev, uint64_t addr)
 }
 
 /**
+ * radeon_vm_update_pdes - make sure that page directory is valid
+ *
+ * @rdev: radeon_device pointer
+ * @vm: requested vm
+ * @start: start of GPU address range
+ * @end: end of GPU address range
+ *
+ * Allocates new page tables if necessary
+ * and updates the page directory (cayman+).
+ * Returns 0 for success, error for failure.
+ *
+ * Global and local mutex must be locked!
+ */
+static int radeon_vm_update_pdes(struct radeon_device *rdev,
+				 struct radeon_vm *vm,
+				 uint64_t start, uint64_t end)
+{
+	static const uint32_t incr = RADEON_VM_PTE_COUNT * 8;
+
+	uint64_t last_pde = ~0, last_pt = ~0;
+	unsigned count = 0;
+	uint64_t pt_idx;
+	int r;
+
+	start = (start / RADEON_GPU_PAGE_SIZE) >> RADEON_VM_BLOCK_SIZE;
+	end = (end / RADEON_GPU_PAGE_SIZE) >> RADEON_VM_BLOCK_SIZE;
+
+	/* walk over the address space and update the page directory */
+	for (pt_idx = start; pt_idx <= end; ++pt_idx) {
+		uint64_t pde, pt;
+
+		if (vm->page_tables[pt_idx])
+			continue;
+
+retry:
+		r = radeon_sa_bo_new(rdev, &rdev->vm_manager.sa_manager,
+				     &vm->page_tables[pt_idx],
+				     RADEON_VM_PTE_COUNT * 8,
+				     RADEON_GPU_PAGE_SIZE, false);
+
+		if (r == -ENOMEM) {
+			r = radeon_vm_evict(rdev, vm);
+			if (r)
+				return r;
+			goto retry;
+		} else if (r) {
+			return r;
+		}
+
+		pde = vm->pd_gpu_addr + pt_idx * 8;
+
+		pt = radeon_sa_bo_gpu_addr(vm->page_tables[pt_idx]);
+
+		if (((last_pde + 8 * count) != pde) ||
+		    ((last_pt + incr * count) != pt)) {
+
+			if (count) {
+				radeon_asic_vm_set_page(rdev, last_pde,
+							last_pt, count, incr,
+							RADEON_VM_PAGE_VALID);
+			}
+
+			count = 1;
+			last_pde = pde;
+			last_pt = pt;
+		} else {
+			++count;
+		}
+	}
+
+	if (count) {
+		radeon_asic_vm_set_page(rdev, last_pde, last_pt, count,
+					incr, RADEON_VM_PAGE_VALID);
+
+	}
+
+	return 0;
+}
+
+/**
+ * radeon_vm_update_ptes - make sure that page tables are valid
+ *
+ * @rdev: radeon_device pointer
+ * @vm: requested vm
+ * @start: start of GPU address range
+ * @end: end of GPU address range
+ * @dst: destination address to map to
+ * @flags: mapping flags
+ *
+ * Update the page tables in the range @start - @end (cayman+).
+ *
+ * Global and local mutex must be locked!
+ */
+static void radeon_vm_update_ptes(struct radeon_device *rdev,
+				  struct radeon_vm *vm,
+				  uint64_t start, uint64_t end,
+				  uint64_t dst, uint32_t flags)
+{
+	static const uint64_t mask = RADEON_VM_PTE_COUNT - 1;
+
+	uint64_t last_pte = ~0, last_dst = ~0;
+	unsigned count = 0;
+	uint64_t addr;
+
+	start = start / RADEON_GPU_PAGE_SIZE;
+	end = end / RADEON_GPU_PAGE_SIZE;
+
+	/* walk over the address space and update the page tables */
+	for (addr = start; addr < end; ) {
+		uint64_t pt_idx = addr >> RADEON_VM_BLOCK_SIZE;
+		unsigned nptes;
+		uint64_t pte;
+
+		if ((addr & ~mask) == (end & ~mask))
+			nptes = end - addr;
+		else
+			nptes = RADEON_VM_PTE_COUNT - (addr & mask);
+
+		pte = radeon_sa_bo_gpu_addr(vm->page_tables[pt_idx]);
+		pte += (addr & mask) * 8;
+
+		if (((last_pte + 8 * count) != pte) ||
+		    ((count + nptes) > 1 << 11)) {
+
+			if (count) {
+				radeon_asic_vm_set_page(rdev, last_pte,
+							last_dst, count,
+							RADEON_GPU_PAGE_SIZE,
+							flags);
+			}
+
+			count = nptes;
+			last_pte = pte;
+			last_dst = dst;
+		} else {
+			count += nptes;
+		}
+
+		addr += nptes;
+		dst += nptes * RADEON_GPU_PAGE_SIZE;
+	}
+
+	if (count) {
+		radeon_asic_vm_set_page(rdev, last_pte,	last_dst, count,
+					RADEON_GPU_PAGE_SIZE, flags);
+	}
+}
+
+/**
  * radeon_vm_bo_update_pte - map a bo into the vm page table
  *
  * @rdev: radeon_device pointer
@@ -887,12 +1086,11 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev,
 	struct radeon_semaphore *sem = NULL;
 	struct radeon_bo_va *bo_va;
 	unsigned nptes, npdes, ndw;
-	uint64_t pe, addr;
-	uint64_t pfn;
+	uint64_t addr;
 	int r;
 
 	/* nothing to do if vm isn't bound */
-	if (vm->sa_bo == NULL)
+	if (vm->page_directory == NULL)
 		return 0;
 
 	bo_va = radeon_vm_bo_find(vm, bo);
@@ -939,25 +1137,29 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev,
 		}
 	}
 
-	/* estimate number of dw needed */
-	/* reserve space for 32-bit padding */
-	ndw = 32;
-
 	nptes = radeon_bo_ngpu_pages(bo);
 
-	pfn = (bo_va->soffset / RADEON_GPU_PAGE_SIZE);
+	/* assume two extra pdes in case the mapping overlaps the borders */
+	npdes = (nptes >> RADEON_VM_BLOCK_SIZE) + 2;
 
-	/* handle cases where a bo spans several pdes  */
-	npdes = (ALIGN(pfn + nptes, RADEON_VM_PTE_COUNT) -
-		 (pfn & ~(RADEON_VM_PTE_COUNT - 1))) >> RADEON_VM_BLOCK_SIZE;
+	/* estimate number of dw needed */
+	/* semaphore, fence and padding */
+	ndw = 32;
+
+	if (RADEON_VM_BLOCK_SIZE > 11)
+		/* reserve space for one header for every 2k dwords */
+		ndw += (nptes >> 11) * 3;
+	else
+		/* reserve space for one header for
+		    every (1 << BLOCK_SIZE) entries */
+		ndw += (nptes >> RADEON_VM_BLOCK_SIZE) * 3;
 
-	/* reserve space for one header for every 2k dwords */
-	ndw += (nptes >> 11) * 3;
 	/* reserve space for pte addresses */
 	ndw += nptes * 2;
 
 	/* reserve space for one header for every 2k dwords */
 	ndw += (npdes >> 11) * 3;
+
 	/* reserve space for pde addresses */
 	ndw += npdes * 2;
 
@@ -971,22 +1173,14 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev,
 		radeon_fence_note_sync(vm->fence, ridx);
 	}
 
-	/* update page table entries */
-	pe = vm->pd_gpu_addr;
-	pe += radeon_vm_directory_size(rdev);
-	pe += (bo_va->soffset / RADEON_GPU_PAGE_SIZE) * 8;
-
-	radeon_asic_vm_set_page(rdev, pe, addr, nptes,
-				RADEON_GPU_PAGE_SIZE, bo_va->flags);
-
-	/* update page directory entries */
-	addr = pe;
-
-	pe = vm->pd_gpu_addr;
-	pe += ((bo_va->soffset / RADEON_GPU_PAGE_SIZE) >> RADEON_VM_BLOCK_SIZE) * 8;
+	r = radeon_vm_update_pdes(rdev, vm, bo_va->soffset, bo_va->eoffset);
+	if (r) {
+		radeon_ring_unlock_undo(rdev, ring);
+		return r;
+	}
 
-	radeon_asic_vm_set_page(rdev, pe, addr, npdes,
-				RADEON_VM_PTE_COUNT * 8, RADEON_VM_PAGE_VALID);
+	radeon_vm_update_ptes(rdev, vm, bo_va->soffset, bo_va->eoffset,
+			      addr, bo_va->flags);
 
 	radeon_fence_unref(&vm->fence);
 	r = radeon_fence_emit(rdev, &vm->fence, ridx);
@@ -997,6 +1191,7 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev,
 	radeon_ring_unlock_commit(rdev, ring);
 	radeon_semaphore_free(rdev, &sem, vm->fence);
 	radeon_fence_unref(&vm->last_flush);
+
 	return 0;
 }
 
@@ -1056,31 +1251,15 @@ void radeon_vm_bo_invalidate(struct radeon_device *rdev,
  * @rdev: radeon_device pointer
  * @vm: requested vm
  *
- * Init @vm (cayman+).
- * Map the IB pool and any other shared objects into the VM
- * by default as it's used by all VMs.
- * Returns 0 for success, error for failure.
+ * Init @vm fields (cayman+).
  */
-int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm)
+void radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm)
 {
-	struct radeon_bo_va *bo_va;
-	int r;
-
 	vm->id = 0;
 	vm->fence = NULL;
-	vm->last_pfn = 0;
 	mutex_init(&vm->mutex);
 	INIT_LIST_HEAD(&vm->list);
 	INIT_LIST_HEAD(&vm->va);
-
-	/* map the ib pool buffer at 0 in virtual address space, set
-	 * read only
-	 */
-	bo_va = radeon_vm_bo_add(rdev, vm, rdev->ring_tmp_bo.bo);
-	r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET,
-				  RADEON_VM_PAGE_READABLE |
-				  RADEON_VM_PAGE_SNOOPED);
-	return r;
 }
 
 /**
@@ -1102,17 +1281,6 @@ void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm)
 	radeon_vm_free_pt(rdev, vm);
 	mutex_unlock(&rdev->vm_manager.lock);
 
-	/* remove all bo at this point non are busy any more because unbind
-	 * waited for the last vm fence to signal
-	 */
-	r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
-	if (!r) {
-		bo_va = radeon_vm_bo_find(vm, rdev->ring_tmp_bo.bo);
-		list_del_init(&bo_va->bo_list);
-		list_del_init(&bo_va->vm_list);
-		radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
-		kfree(bo_va);
-	}
 	if (!list_empty(&vm->va)) {
 		dev_err(rdev->dev, "still active bo inside vm\n");
 	}
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 83b8d8aa71c0..dc781c49b96b 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -419,6 +419,7 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
 	/* new gpu have virtual address space support */
 	if (rdev->family >= CHIP_CAYMAN) {
 		struct radeon_fpriv *fpriv;
+		struct radeon_bo_va *bo_va;
 		int r;
 
 		fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
@@ -426,7 +427,15 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
 			return -ENOMEM;
 		}
 
-		r = radeon_vm_init(rdev, &fpriv->vm);
+		radeon_vm_init(rdev, &fpriv->vm);
+
+		/* map the ib pool buffer read only into
+		 * virtual address space */
+		bo_va = radeon_vm_bo_add(rdev, &fpriv->vm,
+					 rdev->ring_tmp_bo.bo);
+		r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET,
+					  RADEON_VM_PAGE_READABLE |
+					  RADEON_VM_PAGE_SNOOPED);
 		if (r) {
 			radeon_vm_fini(rdev, &fpriv->vm);
 			kfree(fpriv);
@@ -454,6 +463,17 @@ void radeon_driver_postclose_kms(struct drm_device *dev,
 	/* new gpu have virtual address space support */
 	if (rdev->family >= CHIP_CAYMAN && file_priv->driver_priv) {
 		struct radeon_fpriv *fpriv = file_priv->driver_priv;
+		struct radeon_bo_va *bo_va;
+		int r;
+
+		r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
+		if (!r) {
+			bo_va = radeon_vm_bo_find(&fpriv->vm,
+						  rdev->ring_tmp_bo.bo);
+			if (bo_va)
+				radeon_vm_bo_rmv(rdev, bo_va);
+			radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
+		}
 
 		radeon_vm_fini(rdev, &fpriv->vm);
 		kfree(fpriv);
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 92487e614778..a13ad9d707cf 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -269,27 +269,6 @@ static const struct drm_encoder_helper_funcs radeon_legacy_lvds_helper_funcs = {
 	.disable = radeon_legacy_encoder_disable,
 };
 
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
-
-static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd)
-{
-	struct radeon_backlight_privdata *pdata = bl_get_data(bd);
-	uint8_t level;
-
-	/* Convert brightness to hardware level */
-	if (bd->props.brightness < 0)
-		level = 0;
-	else if (bd->props.brightness > RADEON_MAX_BL_LEVEL)
-		level = RADEON_MAX_BL_LEVEL;
-	else
-		level = bd->props.brightness;
-
-	if (pdata->negative)
-		level = RADEON_MAX_BL_LEVEL - level;
-
-	return level;
-}
-
 u8
 radeon_legacy_get_backlight_level(struct radeon_encoder *radeon_encoder)
 {
@@ -331,6 +310,27 @@ radeon_legacy_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 leve
 	radeon_legacy_lvds_update(&radeon_encoder->base, dpms_mode);
 }
 
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
+
+static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd)
+{
+	struct radeon_backlight_privdata *pdata = bl_get_data(bd);
+	uint8_t level;
+
+	/* Convert brightness to hardware level */
+	if (bd->props.brightness < 0)
+		level = 0;
+	else if (bd->props.brightness > RADEON_MAX_BL_LEVEL)
+		level = RADEON_MAX_BL_LEVEL;
+	else
+		level = bd->props.brightness;
+
+	if (pdata->negative)
+		level = RADEON_MAX_BL_LEVEL - level;
+
+	return level;
+}
+
 static int radeon_legacy_backlight_update_status(struct backlight_device *bd)
 {
 	struct radeon_backlight_privdata *pdata = bl_get_data(bd);
@@ -991,11 +991,7 @@ static void radeon_legacy_tmds_ext_mode_set(struct drm_encoder *encoder,
 static void radeon_ext_tmds_enc_destroy(struct drm_encoder *encoder)
 {
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
-	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
-	if (tmds) {
-		if (tmds->i2c_bus)
-			radeon_i2c_destroy(tmds->i2c_bus);
-	}
+	/* don't destroy the i2c bus record here, this will be done in radeon_i2c_fini */
 	kfree(radeon_encoder->enc_priv);
 	drm_encoder_cleanup(encoder);
 	kfree(radeon_encoder);
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index bba66902c83b..47634f27f2e5 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -305,7 +305,7 @@ void radeon_ring_write(struct radeon_ring *ring, uint32_t v)
 {
 #if DRM_DEBUG_CODE
 	if (ring->count_dw <= 0) {
-		DRM_ERROR("radeon: writting more dword to ring than expected !\n");
+		DRM_ERROR("radeon: writing more dwords to the ring than expected!\n");
 	}
 #endif
 	ring->ring[ring->wptr++] = v;
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index f79633a036c3..df8dd7701643 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -2407,12 +2407,13 @@ static int si_pcie_gart_enable(struct radeon_device *rdev)
 	WREG32(0x15DC, 0);
 
 	/* empty context1-15 */
-	/* FIXME start with 4G, once using 2 level pt switch to full
-	 * vm size space
-	 */
 	/* set vm size, must be a multiple of 4 */
 	WREG32(VM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
 	WREG32(VM_CONTEXT1_PAGE_TABLE_END_ADDR, rdev->vm_manager.max_pfn);
+	/* Assign the pt base to something valid for now; the pts used for
+	 * the VMs are determined by the application and setup and assigned
+	 * on the fly in the vm part of radeon_gart.c
+	 */
 	for (i = 1; i < 16; i++) {
 		if (i < 8)
 			WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 984a3f13923b..47b8d84b489d 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -205,8 +205,11 @@ static const struct tjmax __cpuinitconst tjmax_table[] = {
 	{ "CPU N455", 100000 },
 	{ "CPU N470", 100000 },
 	{ "CPU N475", 100000 },
-	{ "CPU  230", 100000 },
-	{ "CPU  330", 125000 },
+	{ "CPU  230", 100000 },		/* Model 0x1c, stepping 2	*/
+	{ "CPU  330", 125000 },		/* Model 0x1c, stepping 2	*/
+	{ "CPU CE4110", 110000 },	/* Model 0x1c, stepping 10	*/
+	{ "CPU CE4150", 110000 },	/* Model 0x1c, stepping 10	*/
+	{ "CPU CE4170", 110000 },	/* Model 0x1c, stepping 10	*/
 };
 
 static int __cpuinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id,
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
index 2ca6a5a4f5a7..60745a535821 100644
--- a/drivers/hwmon/pmbus/Kconfig
+++ b/drivers/hwmon/pmbus/Kconfig
@@ -4,7 +4,7 @@
 
 menuconfig PMBUS
 	tristate "PMBus support"
-	depends on I2C && EXPERIMENTAL
+	depends on I2C
 	default n
 	help
 	  Say yes here if you want to enable PMBus support.
diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
index dd13e3a4c272..4ef0d80b57f4 100644
--- a/drivers/media/Kconfig
+++ b/drivers/media/Kconfig
@@ -163,19 +163,21 @@ source "drivers/media/common/Kconfig"
 #
 
 config MEDIA_SUBDRV_AUTOSELECT
-	bool "Autoselect analog and hybrid tuner modules to build"
-	depends on MEDIA_TUNER
+	bool "Autoselect tuners and i2c modules to build"
+	depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_CAMERA_SUPPORT
 	default y
 	help
-	  By default, a TV driver auto-selects all possible tuners
-	  thar could be used by the driver.
+	  By default, a media driver auto-selects all possible i2c
+	  devices that are used by any of the supported devices.
 
 	  This is generally the right thing to do, except when there
-	  are strict constraints with regards to the kernel size.
+	  are strict constraints with regards to the kernel size,
+	  like on embedded systems.
 
-	  Use this option with care, as deselecting tuner drivers which
-	  are in fact necessary will result in TV devices which cannot
-	  be tuned due to lack of the tuning driver.
+	  Use this option with care, as deselecting ancillary drivers which
+	  are, in fact, necessary will result in the lack of the needed
+	  functionality for your device (it may not tune or may not have
+	  the need demodulers).
 
 	  If unsure say Y.
 
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index b721902bb6b4..b2530b002125 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1519,7 +1519,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
 	/* no need to lock since we're protected by rtnl_lock */
 	if (slave_dev->features & NETIF_F_VLAN_CHALLENGED) {
 		pr_debug("%s: NETIF_F_VLAN_CHALLENGED\n", slave_dev->name);
-		if (bond_vlan_used(bond)) {
+		if (vlan_uses_dev(bond_dev)) {
 			pr_err("%s: Error: cannot enslave VLAN challenged slave %s on VLAN enabled bond %s\n",
 			       bond_dev->name, slave_dev->name, bond_dev->name);
 			return -EPERM;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 24220992413f..4833b6a9031c 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -2957,9 +2957,13 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
 			skb_shinfo(skb)->nr_frags +
 			BDS_PER_TX_PKT +
 			NEXT_CNT_PER_TX_PKT(MAX_BDS_PER_TX_PKT))) {
-		bnx2x_fp_qstats(bp, txdata->parent_fp)->driver_xoff++;
-		netif_tx_stop_queue(txq);
-		BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
+		/* Handle special storage cases separately */
+		if (txdata->tx_ring_size != 0) {
+			BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
+			bnx2x_fp_qstats(bp, txdata->parent_fp)->driver_xoff++;
+			netif_tx_stop_queue(txq);
+		}
+
 		return NETDEV_TX_BUSY;
 	}
 
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
index 71971a161bd1..614981c02264 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
@@ -126,7 +126,7 @@ static inline int bnx2x_exe_queue_add(struct bnx2x *bp,
 		/* Check if this request is ok */
 		rc = o->validate(bp, o->owner, elem);
 		if (rc) {
-			BNX2X_ERR("Preamble failed: %d\n", rc);
+			DP(BNX2X_MSG_SP, "Preamble failed: %d\n", rc);
 			goto free_and_exit;
 		}
 	}
diff --git a/drivers/of/address.c b/drivers/of/address.c
index 72e496f1e9b0..0125524c08c4 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -37,9 +37,9 @@ struct of_bus {
 	int		(*match)(struct device_node *parent);
 	void		(*count_cells)(struct device_node *child,
 				       int *addrc, int *sizec);
-	u64		(*map)(u32 *addr, const __be32 *range,
+	u64		(*map)(__be32 *addr, const __be32 *range,
 				int na, int ns, int pna);
-	int		(*translate)(u32 *addr, u64 offset, int na);
+	int		(*translate)(__be32 *addr, u64 offset, int na);
 	unsigned int	(*get_flags)(const __be32 *addr);
 };
 
@@ -56,7 +56,7 @@ static void of_bus_default_count_cells(struct device_node *dev,
 		*sizec = of_n_size_cells(dev);
 }
 
-static u64 of_bus_default_map(u32 *addr, const __be32 *range,
+static u64 of_bus_default_map(__be32 *addr, const __be32 *range,
 		int na, int ns, int pna)
 {
 	u64 cp, s, da;
@@ -82,7 +82,7 @@ static u64 of_bus_default_map(u32 *addr, const __be32 *range,
 	return da - cp;
 }
 
-static int of_bus_default_translate(u32 *addr, u64 offset, int na)
+static int of_bus_default_translate(__be32 *addr, u64 offset, int na)
 {
 	u64 a = of_read_number(addr, na);
 	memset(addr, 0, na * 4);
@@ -138,7 +138,7 @@ static unsigned int of_bus_pci_get_flags(const __be32 *addr)
 	return flags;
 }
 
-static u64 of_bus_pci_map(u32 *addr, const __be32 *range, int na, int ns,
+static u64 of_bus_pci_map(__be32 *addr, const __be32 *range, int na, int ns,
 		int pna)
 {
 	u64 cp, s, da;
@@ -165,7 +165,7 @@ static u64 of_bus_pci_map(u32 *addr, const __be32 *range, int na, int ns,
 	return da - cp;
 }
 
-static int of_bus_pci_translate(u32 *addr, u64 offset, int na)
+static int of_bus_pci_translate(__be32 *addr, u64 offset, int na)
 {
 	return of_bus_default_translate(addr + 1, offset, na - 1);
 }
@@ -247,7 +247,7 @@ static void of_bus_isa_count_cells(struct device_node *child,
 		*sizec = 1;
 }
 
-static u64 of_bus_isa_map(u32 *addr, const __be32 *range, int na, int ns,
+static u64 of_bus_isa_map(__be32 *addr, const __be32 *range, int na, int ns,
 		int pna)
 {
 	u64 cp, s, da;
@@ -270,7 +270,7 @@ static u64 of_bus_isa_map(u32 *addr, const __be32 *range, int na, int ns,
 	return da - cp;
 }
 
-static int of_bus_isa_translate(u32 *addr, u64 offset, int na)
+static int of_bus_isa_translate(__be32 *addr, u64 offset, int na)
 {
 	return of_bus_default_translate(addr + 1, offset, na - 1);
 }
@@ -338,7 +338,7 @@ static struct of_bus *of_match_bus(struct device_node *np)
 }
 
 static int of_translate_one(struct device_node *parent, struct of_bus *bus,
-			    struct of_bus *pbus, u32 *addr,
+			    struct of_bus *pbus, __be32 *addr,
 			    int na, int ns, int pna, const char *rprop)
 {
 	const __be32 *ranges;
@@ -409,12 +409,12 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus,
  * that can be mapped to a cpu physical address). This is not really specified
  * that way, but this is traditionally the way IBM at least do things
  */
-u64 __of_translate_address(struct device_node *dev, const __be32 *in_addr,
-			   const char *rprop)
+static u64 __of_translate_address(struct device_node *dev,
+				  const __be32 *in_addr, const char *rprop)
 {
 	struct device_node *parent = NULL;
 	struct of_bus *bus, *pbus;
-	u32 addr[OF_MAX_ADDR_CELLS];
+	__be32 addr[OF_MAX_ADDR_CELLS];
 	int na, ns, pna, pns;
 	u64 result = OF_BAD_ADDR;
 
diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index a23ec7779997..a3c1c5aae6a9 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -192,11 +192,13 @@ int of_irq_map_raw(struct device_node *parent, const __be32 *intspec,
 			/* Compare specifiers */
 			match = 1;
 			for (i = 0; i < addrsize && match; ++i) {
-				u32 mask = imask ? imask[i] : 0xffffffffu;
+				__be32 mask = imask ? imask[i]
+						    : cpu_to_be32(0xffffffffu);
 				match = ((addr[i] ^ imap[i]) & mask) == 0;
 			}
 			for (; i < (addrsize + intsize) && match; ++i) {
-				u32 mask = imask ? imask[i] : 0xffffffffu;
+				__be32 mask = imask ? imask[i]
+						    : cpu_to_be32(0xffffffffu);
 				match =
 				   ((intspec[i-addrsize] ^ imap[i]) & mask) == 0;
 			}
@@ -465,7 +467,7 @@ void __init of_irq_init(const struct of_device_id *matches)
 			pr_debug("of_irq_init: init %s @ %p, parent %p\n",
 				 match->compatible,
 				 desc->dev, desc->interrupt_parent);
-			irq_init_cb = match->data;
+			irq_init_cb = (of_irq_init_cb_t)match->data;
 			ret = irq_init_cb(desc->dev, desc->interrupt_parent);
 			if (ret) {
 				kfree(desc);
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 9bdeaf30b17d..b80891b43816 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -76,7 +76,7 @@ void of_device_make_bus_id(struct device *dev)
 {
 	static atomic_t bus_no_reg_magic;
 	struct device_node *node = dev->of_node;
-	const u32 *reg;
+	const __be32 *reg;
 	u64 addr;
 	const __be32 *addrp;
 	int magic;
diff --git a/drivers/pcmcia/pxa2xx_sharpsl.c b/drivers/pcmcia/pxa2xx_sharpsl.c
index b066273b6b4f..7dd879ce514d 100644
--- a/drivers/pcmcia/pxa2xx_sharpsl.c
+++ b/drivers/pcmcia/pxa2xx_sharpsl.c
@@ -194,7 +194,7 @@ static void sharpsl_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
 	sharpsl_pcmcia_init_reset(skt);
 }
 
-static struct pcmcia_low_level sharpsl_pcmcia_ops __initdata = {
+static struct pcmcia_low_level sharpsl_pcmcia_ops = {
 	.owner                  = THIS_MODULE,
 	.hw_init                = sharpsl_pcmcia_hw_init,
 	.socket_state           = sharpsl_pcmcia_socket_state,
diff --git a/drivers/pinctrl/pinctrl-bcm2835.c b/drivers/pinctrl/pinctrl-bcm2835.c
index a4adee633fa9..7e9be18ec2d2 100644
--- a/drivers/pinctrl/pinctrl-bcm2835.c
+++ b/drivers/pinctrl/pinctrl-bcm2835.c
@@ -29,7 +29,6 @@
 #include <linux/irq.h>
 #include <linux/irqdesc.h>
 #include <linux/irqdomain.h>
-#include <linux/irq.h>
 #include <linux/module.h>
 #include <linux/of_address.h>
 #include <linux/of.h>
@@ -960,7 +959,7 @@ static int __devinit bcm2835_pinctrl_probe(struct platform_device *pdev)
 		return err;
 	}
 
-	pc->base = devm_request_and_ioremap(&pdev->dev, &iomem);
+	pc->base = devm_request_and_ioremap(dev, &iomem);
 	if (!pc->base)
 		return -EADDRNOTAVAIL;
 
@@ -1032,7 +1031,7 @@ static int __devinit bcm2835_pinctrl_probe(struct platform_device *pdev)
 	pc->pctl_dev = pinctrl_register(&bcm2835_pinctrl_desc, dev, pc);
 	if (!pc->pctl_dev) {
 		gpiochip_remove(&pc->gpio_chip);
-		return PTR_ERR(pc->pctl_dev);
+		return -EINVAL;
 	}
 
 	pc->gpio_range = bcm2835_pinctrl_gpio_range;
diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c
index fec9c30133d4..01aea1c3b5fa 100644
--- a/drivers/pinctrl/pinctrl-nomadik.c
+++ b/drivers/pinctrl/pinctrl-nomadik.c
@@ -30,7 +30,20 @@
 #include <linux/pinctrl/pinconf.h>
 /* Since we request GPIOs from ourself */
 #include <linux/pinctrl/consumer.h>
+/*
+ * For the U8500 archs, use the PRCMU register interface, for the older
+ * Nomadik, provide some stubs. The functions using these will only be
+ * called on the U8500 series.
+ */
+#ifdef CONFIG_ARCH_U8500
 #include <linux/mfd/dbx500-prcmu.h>
+#else
+static inline u32 prcmu_read(unsigned int reg) {
+	return 0;
+}
+static inline void prcmu_write(unsigned int reg, u32 value) {}
+static inline void prcmu_write_masked(unsigned int reg, u32 mask, u32 value) {}
+#endif
 
 #include <asm/mach/irq.h>
 
@@ -1268,6 +1281,7 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev)
 	struct clk *clk;
 	int secondary_irq;
 	void __iomem *base;
+	int irq_start = -1;
 	int irq;
 	int ret;
 
@@ -1371,19 +1385,11 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev)
 
 	platform_set_drvdata(dev, nmk_chip);
 
-	if (np) {
-		/* The DT case will just grab a set of IRQ numbers */
-		nmk_chip->domain = irq_domain_add_linear(np, NMK_GPIO_PER_CHIP,
-				&nmk_gpio_irq_simple_ops, nmk_chip);
-	} else {
-		/* Non-DT legacy mode, use hardwired IRQ numbers */
-		int irq_start;
-
+	if (!np)
 		irq_start = NOMADIK_GPIO_TO_IRQ(pdata->first_gpio);
-		nmk_chip->domain = irq_domain_add_simple(NULL,
+	nmk_chip->domain = irq_domain_add_simple(NULL,
 				NMK_GPIO_PER_CHIP, irq_start,
 				&nmk_gpio_irq_simple_ops, nmk_chip);
-	}
 	if (!nmk_chip->domain) {
 		dev_err(&dev->dev, "failed to create irqdomain\n");
 		ret = -ENOSYS;
diff --git a/drivers/pinctrl/pinctrl-samsung.c b/drivers/pinctrl/pinctrl-samsung.c
index dd108a94acf9..861cd5f04d5e 100644
--- a/drivers/pinctrl/pinctrl-samsung.c
+++ b/drivers/pinctrl/pinctrl-samsung.c
@@ -513,7 +513,7 @@ static int samsung_gpio_direction_output(struct gpio_chip *gc, unsigned offset,
  * Parse the pin names listed in the 'samsung,pins' property and convert it
  * into a list of gpio numbers are create a pin group from it.
  */
-static int __init samsung_pinctrl_parse_dt_pins(struct platform_device *pdev,
+static int __devinit samsung_pinctrl_parse_dt_pins(struct platform_device *pdev,
 			struct device_node *cfg_np, struct pinctrl_desc *pctl,
 			unsigned int **pin_list, unsigned int *npins)
 {
@@ -560,7 +560,7 @@ static int __init samsung_pinctrl_parse_dt_pins(struct platform_device *pdev,
  * from device node of the pin-controller. A pin group is formed with all
  * the pins listed in the "samsung,pins" property.
  */
-static int __init samsung_pinctrl_parse_dt(struct platform_device *pdev,
+static int __devinit samsung_pinctrl_parse_dt(struct platform_device *pdev,
 				struct samsung_pinctrl_drv_data *drvdata)
 {
 	struct device *dev = &pdev->dev;
@@ -655,7 +655,7 @@ static int __init samsung_pinctrl_parse_dt(struct platform_device *pdev,
 }
 
 /* register the pinctrl interface with the pinctrl subsystem */
-static int __init samsung_pinctrl_register(struct platform_device *pdev,
+static int __devinit samsung_pinctrl_register(struct platform_device *pdev,
 				struct samsung_pinctrl_drv_data *drvdata)
 {
 	struct pinctrl_desc *ctrldesc = &drvdata->pctl;
@@ -729,7 +729,7 @@ static int __init samsung_pinctrl_register(struct platform_device *pdev,
 }
 
 /* register the gpiolib interface with the gpiolib subsystem */
-static int __init samsung_gpiolib_register(struct platform_device *pdev,
+static int __devinit samsung_gpiolib_register(struct platform_device *pdev,
 				struct samsung_pinctrl_drv_data *drvdata)
 {
 	struct gpio_chip *gc;
@@ -762,7 +762,7 @@ static int __init samsung_gpiolib_register(struct platform_device *pdev,
 }
 
 /* unregister the gpiolib interface with the gpiolib subsystem */
-static int __init samsung_gpiolib_unregister(struct platform_device *pdev,
+static int __devinit samsung_gpiolib_unregister(struct platform_device *pdev,
 				struct samsung_pinctrl_drv_data *drvdata)
 {
 	int ret = gpiochip_remove(drvdata->gc);
diff --git a/drivers/pinctrl/pinctrl-sirf.c b/drivers/pinctrl/pinctrl-sirf.c
index 675497c15149..9ecacf3d0a75 100644
--- a/drivers/pinctrl/pinctrl-sirf.c
+++ b/drivers/pinctrl/pinctrl-sirf.c
@@ -1323,41 +1323,6 @@ static inline struct sirfsoc_gpio_bank *sirfsoc_gpio_to_bank(unsigned int gpio)
 	return &sgpio_bank[gpio / SIRFSOC_GPIO_BANK_SIZE];
 }
 
-void sirfsoc_gpio_set_pull(unsigned gpio, unsigned mode)
-{
-	struct sirfsoc_gpio_bank *bank = sirfsoc_gpio_to_bank(gpio);
-	int idx = sirfsoc_gpio_to_offset(gpio);
-	u32 val, offset;
-	unsigned long flags;
-
-	offset = SIRFSOC_GPIO_CTRL(bank->id, idx);
-
-	spin_lock_irqsave(&sgpio_lock, flags);
-
-	val = readl(bank->chip.regs + offset);
-
-	switch (mode) {
-	case SIRFSOC_GPIO_PULL_NONE:
-		val &= ~SIRFSOC_GPIO_CTL_PULL_MASK;
-		break;
-	case SIRFSOC_GPIO_PULL_UP:
-		val |= SIRFSOC_GPIO_CTL_PULL_MASK;
-		val |= SIRFSOC_GPIO_CTL_PULL_HIGH;
-		break;
-	case SIRFSOC_GPIO_PULL_DOWN:
-		val |= SIRFSOC_GPIO_CTL_PULL_MASK;
-		val &= ~SIRFSOC_GPIO_CTL_PULL_HIGH;
-		break;
-	default:
-		break;
-	}
-
-	writel(val, bank->chip.regs + offset);
-
-	spin_unlock_irqrestore(&sgpio_lock, flags);
-}
-EXPORT_SYMBOL(sirfsoc_gpio_set_pull);
-
 static inline struct sirfsoc_gpio_bank *sirfsoc_irqchip_to_bank(struct gpio_chip *chip)
 {
 	return container_of(to_of_mm_gpio_chip(chip), struct sirfsoc_gpio_bank, chip);
diff --git a/drivers/pinctrl/pinctrl-xway.c b/drivers/pinctrl/pinctrl-xway.c
index f8d917d40c92..b9bcaec66223 100644
--- a/drivers/pinctrl/pinctrl-xway.c
+++ b/drivers/pinctrl/pinctrl-xway.c
@@ -17,8 +17,6 @@
 #include <linux/ioport.h>
 #include <linux/io.h>
 #include <linux/device.h>
-#include <linux/module.h>
-#include <linux/io.h>
 #include <linux/platform_device.h>
 
 #include "pinctrl-lantiq.h"
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 2db409330c21..e67e0258aec5 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -1141,11 +1141,12 @@ static int qeth_l2_recover(void *ptr)
 		dev_info(&card->gdev->dev,
 			"Device successfully recovered!\n");
 	else {
-		rtnl_lock();
-		dev_close(card->dev);
-		rtnl_unlock();
-		dev_warn(&card->gdev->dev, "The qeth device driver "
-			"failed to recover an error on the device\n");
+		if (rtnl_trylock()) {
+			dev_close(card->dev);
+			rtnl_unlock();
+			dev_warn(&card->gdev->dev, "The qeth device driver "
+				"failed to recover an error on the device\n");
+		}
 	}
 	qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
 	qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 4cd310cb5bdf..5ba390658498 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -3510,11 +3510,12 @@ static int qeth_l3_recover(void *ptr)
 		dev_info(&card->gdev->dev,
 			"Device successfully recovered!\n");
 	else {
-		rtnl_lock();
-		dev_close(card->dev);
-		rtnl_unlock();
-		dev_warn(&card->gdev->dev, "The qeth device driver "
-			"failed to recover an error on the device\n");
+		if (rtnl_trylock()) {
+			dev_close(card->dev);
+			rtnl_unlock();
+			dev_warn(&card->gdev->dev, "The qeth device driver "
+				"failed to recover an error on the device\n");
+		}
 	}
 	qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
 	qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c
index 207b7d742443..d8f990b6b332 100644
--- a/drivers/s390/net/smsgiucv.c
+++ b/drivers/s390/net/smsgiucv.c
@@ -157,7 +157,7 @@ static int smsg_pm_restore_thaw(struct device *dev)
 #ifdef CONFIG_PM_DEBUG
 	printk(KERN_WARNING "smsg_pm_restore_thaw\n");
 #endif
-	if (smsg_path && iucv_path_connected) {
+	if (smsg_path && !iucv_path_connected) {
 		memset(smsg_path, 0, sizeof(*smsg_path));
 		smsg_path->msglim = 255;
 		smsg_path->flags = 0;
diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c
index 6206a666a8ec..737554c37d9e 100644
--- a/drivers/scsi/arm/fas216.c
+++ b/drivers/scsi/arm/fas216.c
@@ -179,6 +179,7 @@ static void print_SCp(struct scsi_pointer *SCp, const char *prefix, const char *
 		SCp->buffers_residual, suffix);
 }
 
+#ifdef CHECK_STRUCTURE
 static void fas216_dumpinfo(FAS216_Info *info)
 {
 	static int used = 0;
@@ -223,7 +224,6 @@ static void fas216_dumpinfo(FAS216_Info *info)
 		info->internal_done, info->magic_end);
 }
 
-#ifdef CHECK_STRUCTURE
 static void __fas216_checkmagic(FAS216_Info *info, const char *func)
 {
 	int corruption = 0;
diff --git a/drivers/scsi/arm/oak.c b/drivers/scsi/arm/oak.c
index d25f944b59c2..fc6a5aabf66e 100644
--- a/drivers/scsi/arm/oak.c
+++ b/drivers/scsi/arm/oak.c
@@ -21,6 +21,7 @@
 /*#define PSEUDO_DMA*/
 
 #define OAKSCSI_PUBLIC_RELEASE 1
+#define DONT_USE_INTR
 
 #define priv(host)			((struct NCR5380_hostdata *)(host)->hostdata)
 #define NCR5380_local_declare()		void __iomem *_base
diff --git a/drivers/sh/intc/access.c b/drivers/sh/intc/access.c
index f892ae1d212a..114390f967d2 100644
--- a/drivers/sh/intc/access.c
+++ b/drivers/sh/intc/access.c
@@ -75,54 +75,61 @@ unsigned long intc_get_field_from_handle(unsigned int value, unsigned int handle
 static unsigned long test_8(unsigned long addr, unsigned long h,
 			    unsigned long ignore)
 {
-	return intc_get_field_from_handle(__raw_readb(addr), h);
+	void __iomem *ptr = (void __iomem *)addr;
+	return intc_get_field_from_handle(__raw_readb(ptr), h);
 }
 
 static unsigned long test_16(unsigned long addr, unsigned long h,
 			     unsigned long ignore)
 {
-	return intc_get_field_from_handle(__raw_readw(addr), h);
+	void __iomem *ptr = (void __iomem *)addr;
+	return intc_get_field_from_handle(__raw_readw(ptr), h);
 }
 
 static unsigned long test_32(unsigned long addr, unsigned long h,
 			     unsigned long ignore)
 {
-	return intc_get_field_from_handle(__raw_readl(addr), h);
+	void __iomem *ptr = (void __iomem *)addr;
+	return intc_get_field_from_handle(__raw_readl(ptr), h);
 }
 
 static unsigned long write_8(unsigned long addr, unsigned long h,
 			     unsigned long data)
 {
-	__raw_writeb(intc_set_field_from_handle(0, data, h), addr);
-	(void)__raw_readb(addr);	/* Defeat write posting */
+	void __iomem *ptr = (void __iomem *)addr;
+	__raw_writeb(intc_set_field_from_handle(0, data, h), ptr);
+	(void)__raw_readb(ptr);	/* Defeat write posting */
 	return 0;
 }
 
 static unsigned long write_16(unsigned long addr, unsigned long h,
 			      unsigned long data)
 {
-	__raw_writew(intc_set_field_from_handle(0, data, h), addr);
-	(void)__raw_readw(addr);	/* Defeat write posting */
+	void __iomem *ptr = (void __iomem *)addr;
+	__raw_writew(intc_set_field_from_handle(0, data, h), ptr);
+	(void)__raw_readw(ptr);	/* Defeat write posting */
 	return 0;
 }
 
 static unsigned long write_32(unsigned long addr, unsigned long h,
 			      unsigned long data)
 {
-	__raw_writel(intc_set_field_from_handle(0, data, h), addr);
-	(void)__raw_readl(addr);	/* Defeat write posting */
+	void __iomem *ptr = (void __iomem *)addr;
+	__raw_writel(intc_set_field_from_handle(0, data, h), ptr);
+	(void)__raw_readl(ptr);	/* Defeat write posting */
 	return 0;
 }
 
 static unsigned long modify_8(unsigned long addr, unsigned long h,
 			      unsigned long data)
 {
+	void __iomem *ptr = (void __iomem *)addr;
 	unsigned long flags;
 	unsigned int value;
 	local_irq_save(flags);
-	value = intc_set_field_from_handle(__raw_readb(addr), data, h);
-	__raw_writeb(value, addr);
-	(void)__raw_readb(addr);	/* Defeat write posting */
+	value = intc_set_field_from_handle(__raw_readb(ptr), data, h);
+	__raw_writeb(value, ptr);
+	(void)__raw_readb(ptr);	/* Defeat write posting */
 	local_irq_restore(flags);
 	return 0;
 }
@@ -130,12 +137,13 @@ static unsigned long modify_8(unsigned long addr, unsigned long h,
 static unsigned long modify_16(unsigned long addr, unsigned long h,
 			       unsigned long data)
 {
+	void __iomem *ptr = (void __iomem *)addr;
 	unsigned long flags;
 	unsigned int value;
 	local_irq_save(flags);
-	value = intc_set_field_from_handle(__raw_readw(addr), data, h);
-	__raw_writew(value, addr);
-	(void)__raw_readw(addr);	/* Defeat write posting */
+	value = intc_set_field_from_handle(__raw_readw(ptr), data, h);
+	__raw_writew(value, ptr);
+	(void)__raw_readw(ptr);	/* Defeat write posting */
 	local_irq_restore(flags);
 	return 0;
 }
@@ -143,12 +151,13 @@ static unsigned long modify_16(unsigned long addr, unsigned long h,
 static unsigned long modify_32(unsigned long addr, unsigned long h,
 			       unsigned long data)
 {
+	void __iomem *ptr = (void __iomem *)addr;
 	unsigned long flags;
 	unsigned int value;
 	local_irq_save(flags);
-	value = intc_set_field_from_handle(__raw_readl(addr), data, h);
-	__raw_writel(value, addr);
-	(void)__raw_readl(addr);	/* Defeat write posting */
+	value = intc_set_field_from_handle(__raw_readl(ptr), data, h);
+	__raw_writel(value, ptr);
+	(void)__raw_readl(ptr);	/* Defeat write posting */
 	local_irq_restore(flags);
 	return 0;
 }
diff --git a/drivers/sh/intc/chip.c b/drivers/sh/intc/chip.c
index 012df2676a26..46427b48e2f1 100644
--- a/drivers/sh/intc/chip.c
+++ b/drivers/sh/intc/chip.c
@@ -83,7 +83,7 @@ static void intc_mask_ack(struct irq_data *data)
 	unsigned int irq = data->irq;
 	struct intc_desc_int *d = get_intc_desc(irq);
 	unsigned long handle = intc_get_ack_handle(irq);
-	unsigned long addr;
+	void __iomem *addr;
 
 	intc_disable(data);
 
@@ -91,7 +91,7 @@ static void intc_mask_ack(struct irq_data *data)
 	if (handle) {
 		unsigned int value;
 
-		addr = INTC_REG(d, _INTC_ADDR_D(handle), 0);
+		addr = (void __iomem *)INTC_REG(d, _INTC_ADDR_D(handle), 0);
 		value = intc_set_field_from_handle(0, 1, handle);
 
 		switch (_INTC_FN(handle)) {
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 1a81c90a4a71..6e7a805d324d 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -132,7 +132,7 @@
 
 struct s3c64xx_spi_dma_data {
 	unsigned		ch;
-	enum dma_data_direction direction;
+	enum dma_transfer_direction direction;
 	enum dma_ch	dmach;
 	struct property		*dma_prop;
 };
@@ -1067,11 +1067,11 @@ static int __devinit s3c64xx_spi_get_dmares(
 
 	if (tx) {
 		dma_data = &sdd->tx_dma;
-		dma_data->direction = DMA_TO_DEVICE;
+		dma_data->direction = DMA_MEM_TO_DEV;
 		chan_str = "tx";
 	} else {
 		dma_data = &sdd->rx_dma;
-		dma_data->direction = DMA_FROM_DEVICE;
+		dma_data->direction = DMA_DEV_TO_MEM;
 		chan_str = "rx";
 	}
 
diff --git a/drivers/staging/dgrp/dgrp_mon_ops.c b/drivers/staging/dgrp/dgrp_mon_ops.c
index 268dcb95204b..4792d056a365 100644
--- a/drivers/staging/dgrp/dgrp_mon_ops.c
+++ b/drivers/staging/dgrp/dgrp_mon_ops.c
@@ -38,6 +38,7 @@
 #include <linux/sched.h>
 #include <asm/unaligned.h>
 #include <linux/proc_fs.h>
+#include <linux/uaccess.h>
 
 #include "dgrp_common.h"
 
diff --git a/drivers/staging/dgrp/dgrp_specproc.c b/drivers/staging/dgrp/dgrp_specproc.c
index 28f5c9ab6b43..24327c3bad83 100644
--- a/drivers/staging/dgrp/dgrp_specproc.c
+++ b/drivers/staging/dgrp/dgrp_specproc.c
@@ -39,6 +39,7 @@
 #include <linux/proc_fs.h>
 #include <linux/ctype.h>
 #include <linux/seq_file.h>
+#include <linux/uaccess.h>
 #include <linux/vmalloc.h>
 
 #include "dgrp_common.h"
@@ -228,6 +229,9 @@ static void register_proc_table(struct dgrp_proc_entry *table,
 	int len;
 	mode_t mode;
 
+	if (table == NULL)
+		return;
+
 	for (; table->id; table++) {
 		/* Can't do anything without a proc name. */
 		if (!table->name)
@@ -296,6 +300,9 @@ static void unregister_proc_table(struct dgrp_proc_entry *table,
 	struct proc_dir_entry *de;
 	struct nd_struct *tmp;
 
+	if (table == NULL)
+		return;
+
 	list_for_each_entry(tmp, &nd_struct_list, list) {
 		if ((table == dgrp_net_table) && (tmp->nd_net_de)) {
 			unregister_dgrp_device(tmp->nd_net_de);
diff --git a/drivers/staging/dgrp/dgrp_tty.c b/drivers/staging/dgrp/dgrp_tty.c
index 7d7de873870c..e125b03598d7 100644
--- a/drivers/staging/dgrp/dgrp_tty.c
+++ b/drivers/staging/dgrp/dgrp_tty.c
@@ -40,6 +40,7 @@
 #include <linux/tty.h>
 #include <linux/tty_flip.h>
 #include <linux/sched.h>
+#include <linux/uaccess.h>
 
 #include "dgrp_common.h"
 
@@ -3172,6 +3173,9 @@ dgrp_tty_init(struct nd_struct *nd)
 	 */
 
 	nd->nd_serial_ttdriver = alloc_tty_driver(CHAN_MAX);
+	if (!nd->nd_serial_ttdriver)
+		return -ENOMEM;
+
 	sprintf(nd->nd_serial_name,  "tty_dgrp_%s_", id);
 
 	nd->nd_serial_ttdriver->owner = THIS_MODULE;
@@ -3231,6 +3235,9 @@ dgrp_tty_init(struct nd_struct *nd)
 	}
 
 	nd->nd_callout_ttdriver = alloc_tty_driver(CHAN_MAX);
+	if (!nd->nd_callout_ttdriver)
+		return -ENOMEM;
+
 	sprintf(nd->nd_callout_name, "cu_dgrp_%s_",  id);
 
 	nd->nd_callout_ttdriver->owner = THIS_MODULE;
@@ -3268,6 +3275,9 @@ dgrp_tty_init(struct nd_struct *nd)
 
 
 	nd->nd_xprint_ttdriver = alloc_tty_driver(CHAN_MAX);
+	if (!nd->nd_xprint_ttdriver)
+		return -ENOMEM;
+
 	sprintf(nd->nd_xprint_name,  "pr_dgrp_%s_", id);
 
 	nd->nd_xprint_ttdriver->owner = THIS_MODULE;
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index edfd67d25013..e1cb6bd75f60 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -22,6 +22,7 @@ config THERMAL_HWMON
 config CPU_THERMAL
 	bool "generic cpu cooling support"
 	depends on THERMAL && CPU_FREQ
+	select CPU_FREQ_TABLE
 	help
 	  This implements the generic cpu cooling mechanism through frequency
 	  reduction, cpu hotplug and any other ways of reducing temperature. An
@@ -50,6 +51,7 @@ config RCAR_THERMAL
 config EXYNOS_THERMAL
 	tristate "Temperature sensor on Samsung EXYNOS"
 	depends on (ARCH_EXYNOS4 || ARCH_EXYNOS5) && THERMAL
+	select CPU_FREQ_TABLE
 	help
 	  If you say yes here you get support for TMU (Thermal Managment
 	  Unit) on SAMSUNG EXYNOS series of SoC.
diff --git a/drivers/tty/serial/8250/8250_hp300.c b/drivers/tty/serial/8250/8250_hp300.c
index 8f1dd2cc00a8..f3d0edf46644 100644
--- a/drivers/tty/serial/8250/8250_hp300.c
+++ b/drivers/tty/serial/8250/8250_hp300.c
@@ -162,7 +162,7 @@ int __init hp300_setup_serial_console(void)
 static int __devinit hpdca_init_one(struct dio_dev *d,
 				const struct dio_device_id *ent)
 {
-	struct uart_port port;
+	struct uart_8250_port uart;
 	int line;
 
 #ifdef CONFIG_SERIAL_8250_CONSOLE
@@ -174,19 +174,19 @@ static int __devinit hpdca_init_one(struct dio_dev *d,
 	memset(&uart, 0, sizeof(uart));
 
 	/* Memory mapped I/O */
-	port.iotype = UPIO_MEM;
-	port.flags = UPF_SKIP_TEST | UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF;
-	port.irq = d->ipl;
-	port.uartclk = HPDCA_BAUD_BASE * 16;
-	port.mapbase = (d->resource.start + UART_OFFSET);
-	port.membase = (char *)(port.mapbase + DIO_VIRADDRBASE);
-	port.regshift = 1;
-	port.dev = &d->dev;
+	uart.port.iotype = UPIO_MEM;
+	uart.port.flags = UPF_SKIP_TEST | UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF;
+	uart.port.irq = d->ipl;
+	uart.port.uartclk = HPDCA_BAUD_BASE * 16;
+	uart.port.mapbase = (d->resource.start + UART_OFFSET);
+	uart.port.membase = (char *)(uart.port.mapbase + DIO_VIRADDRBASE);
+	uart.port.regshift = 1;
+	uart.port.dev = &d->dev;
 	line = serial8250_register_8250_port(&uart);
 
 	if (line < 0) {
 		printk(KERN_NOTICE "8250_hp300: register_serial() DCA scode %d"
-		       " irq %d failed\n", d->scode, port.irq);
+		       " irq %d failed\n", d->scode, uart.port.irq);
 		return -ENOMEM;
 	}
 
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 233fbaaf2559..2a53be5f010d 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1150,7 +1150,7 @@ config SERIAL_SC26XX_CONSOLE
 	  Support for Console on SC2681/SC2692 serial ports.
 
 config SERIAL_SCCNXP
-	bool "SCCNXP serial port support"
+	tristate "SCCNXP serial port support"
 	depends on !SERIAL_SC26XX
 	select SERIAL_CORE
 	default n
@@ -1162,7 +1162,7 @@ config SERIAL_SCCNXP
 
 config SERIAL_SCCNXP_CONSOLE
 	bool "Console on SCCNXP serial port"
-	depends on SERIAL_SCCNXP
+	depends on SERIAL_SCCNXP=y
 	select SERIAL_CORE_CONSOLE
 	help
 	  Support for console on SCCNXP serial ports.
diff --git a/drivers/tty/serial/sccnxp.c b/drivers/tty/serial/sccnxp.c
index b7086d004f5f..e821068cd95b 100644
--- a/drivers/tty/serial/sccnxp.c
+++ b/drivers/tty/serial/sccnxp.c
@@ -971,6 +971,7 @@ static const struct platform_device_id sccnxp_id_table[] = {
 	{ "sc28202",	SCCNXP_TYPE_SC28202 },
 	{ "sc68681",	SCCNXP_TYPE_SC68681 },
 	{ "sc68692",	SCCNXP_TYPE_SC68692 },
+	{ },
 };
 MODULE_DEVICE_TABLE(platform, sccnxp_id_table);
 
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 9be296cf7295..6ee59001d61d 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -530,7 +530,8 @@ static inline int sci_rxd_in(struct uart_port *port)
 	if (s->cfg->port_reg <= 0)
 		return 1;
 
-	return !!__raw_readb(s->cfg->port_reg);
+	/* Cast for ARM damage */
+	return !!__raw_readb((void __iomem *)s->cfg->port_reg);
 }
 
 /* ********************************************************************** *
diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index 05728894a88c..16ee6cee07da 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -452,6 +452,7 @@ static struct sysrq_key_op *sysrq_key_table[36] = {
 	NULL,				/* v */
 	&sysrq_showstate_blocked_op,	/* w */
 	/* x: May be registered on ppc/powerpc for xmon */
+	/* x: May be registered on sparc64 for global PMU dump */
 	NULL,				/* x */
 	/* y: May be registered on sparc64 for global register dump */
 	NULL,				/* y */
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 981f2132d128..6e49ec6f3adc 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -817,10 +817,6 @@ static const __u32 acm_tty_speed[] = {
 	2500000, 3000000, 3500000, 4000000
 };
 
-static const __u8 acm_tty_size[] = {
-	5, 6, 7, 8
-};
-
 static void acm_tty_set_termios(struct tty_struct *tty,
 						struct ktermios *termios_old)
 {
@@ -834,7 +830,21 @@ static void acm_tty_set_termios(struct tty_struct *tty,
 	newline.bParityType = termios->c_cflag & PARENB ?
 				(termios->c_cflag & PARODD ? 1 : 2) +
 				(termios->c_cflag & CMSPAR ? 2 : 0) : 0;
-	newline.bDataBits = acm_tty_size[(termios->c_cflag & CSIZE) >> 4];
+	switch (termios->c_cflag & CSIZE) {
+	case CS5:
+		newline.bDataBits = 5;
+		break;
+	case CS6:
+		newline.bDataBits = 6;
+		break;
+	case CS7:
+		newline.bDataBits = 7;
+		break;
+	case CS8:
+	default:
+		newline.bDataBits = 8;
+		break;
+	}
 	/* FIXME: Needs to clear unsupported bits in the termios */
 	acm->clocal = ((termios->c_cflag & CLOCAL) != 0);
 
@@ -1233,7 +1243,7 @@ made_compressed_probe:
 
 		if (usb_endpoint_xfer_int(epwrite))
 			usb_fill_int_urb(snd->urb, usb_dev,
-				usb_sndbulkpipe(usb_dev, epwrite->bEndpointAddress),
+				usb_sndintpipe(usb_dev, epwrite->bEndpointAddress),
 				NULL, acm->writesize, acm_write_bulk, snd, epwrite->bInterval);
 		else
 			usb_fill_bulk_urb(snd->urb, usb_dev,
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index e0356cb859b5..b78fbe222b72 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1348,6 +1348,7 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
 					ret = -EFAULT;
 					goto error;
 				}
+				uurb->buffer += u;
 			}
 			totlen -= u;
 		}
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index ddd820d25288..6056db7af410 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -367,6 +367,10 @@ static int usb_probe_interface(struct device *dev)
 	intf->condition = USB_INTERFACE_UNBOUND;
 	usb_cancel_queued_reset(intf);
 
+	/* If the LPM disable succeeded, balance the ref counts. */
+	if (!lpm_disable_error)
+		usb_unlocked_enable_lpm(udev);
+
 	/* Unbound interfaces are always runtime-PM-disabled and -suspended */
 	if (driver->supports_autosuspend)
 		pm_runtime_disable(dev);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 673ee4696262..64854d76f529 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -3241,8 +3241,7 @@ static int usb_req_set_sel(struct usb_device *udev, enum usb3_link_state state)
 			(state == USB3_LPM_U2 &&
 			 (u2_sel > USB3_LPM_MAX_U2_SEL_PEL ||
 			  u2_pel > USB3_LPM_MAX_U2_SEL_PEL))) {
-		dev_dbg(&udev->dev, "Device-initiated %s disabled due "
-				"to long SEL %llu ms or PEL %llu ms\n",
+		dev_dbg(&udev->dev, "Device-initiated %s disabled due to long SEL %llu us or PEL %llu us\n",
 				usb3_lpm_names[state], u1_sel, u1_pel);
 		return -EINVAL;
 	}
@@ -3320,16 +3319,6 @@ static int usb_set_device_initiated_lpm(struct usb_device *udev,
 
 	if (enable) {
 		/*
-		 * First, let the device know about the exit latencies
-		 * associated with the link state we're about to enable.
-		 */
-		ret = usb_req_set_sel(udev, state);
-		if (ret < 0) {
-			dev_warn(&udev->dev, "Set SEL for device-initiated "
-					"%s failed.\n", usb3_lpm_names[state]);
-			return -EBUSY;
-		}
-		/*
 		 * Now send the control transfer to enable device-initiated LPM
 		 * for either U1 or U2.
 		 */
@@ -3414,7 +3403,28 @@ static int usb_set_lpm_timeout(struct usb_device *udev,
 static void usb_enable_link_state(struct usb_hcd *hcd, struct usb_device *udev,
 		enum usb3_link_state state)
 {
-	int timeout;
+	int timeout, ret;
+	__u8 u1_mel = udev->bos->ss_cap->bU1devExitLat;
+	__le16 u2_mel = udev->bos->ss_cap->bU2DevExitLat;
+
+	/* If the device says it doesn't have *any* exit latency to come out of
+	 * U1 or U2, it's probably lying.  Assume it doesn't implement that link
+	 * state.
+	 */
+	if ((state == USB3_LPM_U1 && u1_mel == 0) ||
+			(state == USB3_LPM_U2 && u2_mel == 0))
+		return;
+
+	/*
+	 * First, let the device know about the exit latencies
+	 * associated with the link state we're about to enable.
+	 */
+	ret = usb_req_set_sel(udev, state);
+	if (ret < 0) {
+		dev_warn(&udev->dev, "Set SEL for device-initiated %s failed.\n",
+				usb3_lpm_names[state]);
+		return;
+	}
 
 	/* We allow the host controller to set the U1/U2 timeout internally
 	 * first, so that it can change its schedule to account for the
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index b415c0c859d3..c14ebc975ba4 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -409,6 +409,10 @@ static void dwc3_core_exit(struct dwc3 *dwc)
 {
 	dwc3_event_buffers_cleanup(dwc);
 	dwc3_free_event_buffers(dwc);
+
+	usb_phy_shutdown(dwc->usb2_phy);
+	usb_phy_shutdown(dwc->usb3_phy);
+
 }
 
 #define DWC3_ALIGN_MASK		(16 - 1)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index c9e729a4bf65..7b7deddf6a52 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1904,7 +1904,7 @@ static void dwc3_stop_active_transfer(struct dwc3 *dwc, u32 epnum)
 	ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, cmd, &params);
 	WARN_ON_ONCE(ret);
 	dep->resource_index = 0;
-
+	dep->flags &= ~DWC3_EP_BUSY;
 	udelay(100);
 }
 
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index dfb51a45496c..e0ff51b89529 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -952,6 +952,7 @@ endif
 config USB_G_WEBCAM
 	tristate "USB Webcam Gadget"
 	depends on VIDEO_DEV
+	select USB_LIBCOMPOSITE
 	help
 	  The Webcam Gadget acts as a composite USB Audio and Video Class
 	  device. It provides a userspace API to process UVC control requests
diff --git a/drivers/usb/gadget/lpc32xx_udc.c b/drivers/usb/gadget/lpc32xx_udc.c
index f696fb9b136d..21a9861dabf0 100644
--- a/drivers/usb/gadget/lpc32xx_udc.c
+++ b/drivers/usb/gadget/lpc32xx_udc.c
@@ -2930,10 +2930,10 @@ static void vbus_work(struct work_struct *work)
 
 		/* Get the VBUS status from the transceiver */
 		value = i2c_smbus_read_byte_data(udc->isp1301_i2c_client,
-						 ISP1301_I2C_OTG_CONTROL_2);
+						 ISP1301_I2C_INTERRUPT_SOURCE);
 
 		/* VBUS on or off? */
-		if (value & OTG_B_SESS_VLD)
+		if (value & INT_SESS_VLD)
 			udc->vbus = 1;
 		else
 			udc->vbus = 0;
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 9bfde82078ec..0d2f35ca93f1 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -222,7 +222,7 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd,
 
 	if (pdata->controller_ver < 0) {
 		dev_warn(hcd->self.controller, "Could not get controller version\n");
-		return;
+		return -ENODEV;
 	}
 
 	portsc = ehci_readl(ehci, &ehci->regs->port_status[port_offset]);
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index 8e7eca62f169..9c2717d66730 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -160,7 +160,7 @@ static const struct hc_driver ehci_orion_hc_driver = {
 	.clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
 };
 
-static void __init
+static void __devinit
 ehci_orion_conf_mbus_windows(struct usb_hcd *hcd,
 			     const struct mbus_dram_target_info *dram)
 {
diff --git a/drivers/usb/host/ehci-vt8500.c b/drivers/usb/host/ehci-vt8500.c
index 96722bfebc84..d3c9a3e397b9 100644
--- a/drivers/usb/host/ehci-vt8500.c
+++ b/drivers/usb/host/ehci-vt8500.c
@@ -85,6 +85,8 @@ static const struct hc_driver vt8500_ehci_hc_driver = {
 	.clear_tt_buffer_complete	= ehci_clear_tt_buffer_complete,
 };
 
+static u64 vt8500_ehci_dma_mask = DMA_BIT_MASK(32);
+
 static int vt8500_ehci_drv_probe(struct platform_device *pdev)
 {
 	struct usb_hcd *hcd;
@@ -95,6 +97,14 @@ static int vt8500_ehci_drv_probe(struct platform_device *pdev)
 	if (usb_disabled())
 		return -ENODEV;
 
+	/*
+	 * Right now device-tree probed devices don't get dma_mask set.
+	 * Since shared usb code relies on it, set it here for now.
+	 * Once we have dma capability bindings this can go away.
+	 */
+	if (!pdev->dev.dma_mask)
+		pdev->dev.dma_mask = &vt8500_ehci_dma_mask;
+
 	if (pdev->resource[1].flags != IORESOURCE_IRQ) {
 		pr_debug("resource[1] is not IORESOURCE_IRQ");
 		return -ENOMEM;
diff --git a/drivers/usb/host/uhci-platform.c b/drivers/usb/host/uhci-platform.c
index e4780491df4a..68ebf20e1519 100644
--- a/drivers/usb/host/uhci-platform.c
+++ b/drivers/usb/host/uhci-platform.c
@@ -60,6 +60,7 @@ static const struct hc_driver uhci_platform_hc_driver = {
 	.hub_control =		uhci_hub_control,
 };
 
+static u64 platform_uhci_dma_mask = DMA_BIT_MASK(32);
 
 static int __devinit uhci_hcd_platform_probe(struct platform_device *pdev)
 {
@@ -71,6 +72,14 @@ static int __devinit uhci_hcd_platform_probe(struct platform_device *pdev)
 	if (usb_disabled())
 		return -ENODEV;
 
+	/*
+	 * Right now device-tree probed devices don't get dma_mask set.
+	 * Since shared usb code relies on it, set it here for now.
+	 * Once we have dma capability bindings this can go away.
+	 */
+	if (!pdev->dev.dma_mask)
+		pdev->dev.dma_mask = &platform_uhci_dma_mask;
+
 	hcd = usb_create_hcd(&uhci_platform_hc_driver, &pdev->dev,
 			pdev->name);
 	if (!hcd)
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 8d7fcbbe6ade..7d462bf20092 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -479,7 +479,8 @@ static bool compliance_mode_recovery_timer_quirk_check(void)
 
 	if (strstr(dmi_product_name, "Z420") ||
 			strstr(dmi_product_name, "Z620") ||
-			strstr(dmi_product_name, "Z820"))
+			strstr(dmi_product_name, "Z820") ||
+			strstr(dmi_product_name, "Z1"))
 		return true;
 
 	return false;
diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c
index 457f25e62c51..c964d6af178b 100644
--- a/drivers/usb/musb/am35x.c
+++ b/drivers/usb/musb/am35x.c
@@ -305,6 +305,12 @@ static irqreturn_t am35x_musb_interrupt(int irq, void *hci)
 		ret = IRQ_HANDLED;
 	}
 
+	/* Drop spurious RX and TX if device is disconnected */
+	if (musb->int_usb & MUSB_INTR_DISCONNECT) {
+		musb->int_tx = 0;
+		musb->int_rx = 0;
+	}
+
 	if (musb->int_tx || musb->int_rx || musb->int_usb)
 		ret |= musb_interrupt(musb);
 
diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c
index 35c5208f3249..61933a90e5bf 100644
--- a/drivers/usb/renesas_usbhs/mod.c
+++ b/drivers/usb/renesas_usbhs/mod.c
@@ -273,9 +273,9 @@ static irqreturn_t usbhs_interrupt(int irq, void *data)
 	usbhs_write(priv, INTSTS0, ~irq_state.intsts0 & INTSTS0_MAGIC);
 	usbhs_write(priv, INTSTS1, ~irq_state.intsts1 & INTSTS1_MAGIC);
 
-	usbhs_write(priv, BRDYSTS, 0);
-	usbhs_write(priv, NRDYSTS, 0);
-	usbhs_write(priv, BEMPSTS, 0);
+	usbhs_write(priv, BRDYSTS, ~irq_state.brdysts);
+	usbhs_write(priv, NRDYSTS, ~irq_state.nrdysts);
+	usbhs_write(priv, BEMPSTS, ~irq_state.bempsts);
 
 	/*
 	 * call irq callback functions
diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h
index 08786c06dcf1..3d80c7b1fd1b 100644
--- a/drivers/usb/renesas_usbhs/pipe.h
+++ b/drivers/usb/renesas_usbhs/pipe.h
@@ -54,7 +54,7 @@ struct usbhs_pipe_info {
  * pipe list
  */
 #define __usbhs_for_each_pipe(start, pos, info, i)	\
-	for (i = start, pos = (info)->pipe;		\
+	for (i = start, pos = (info)->pipe + i;		\
 	     i < (info)->size;				\
 	     i++, pos = (info)->pipe + i)
 
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index cf2522c397d3..bd50a8a41a0f 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -125,9 +125,6 @@ static inline int calc_divisor(int bps)
 
 static int ark3116_attach(struct usb_serial *serial)
 {
-	struct usb_serial_port *port = serial->port[0];
-	struct ark3116_private *priv;
-
 	/* make sure we have our end-points */
 	if ((serial->num_bulk_in == 0) ||
 	    (serial->num_bulk_out == 0) ||
@@ -142,8 +139,15 @@ static int ark3116_attach(struct usb_serial *serial)
 		return -EINVAL;
 	}
 
-	priv = kzalloc(sizeof(struct ark3116_private),
-		       GFP_KERNEL);
+	return 0;
+}
+
+static int ark3116_port_probe(struct usb_serial_port *port)
+{
+	struct usb_serial *serial = port->serial;
+	struct ark3116_private *priv;
+
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
@@ -198,18 +202,15 @@ static int ark3116_attach(struct usb_serial *serial)
 	return 0;
 }
 
-static void ark3116_release(struct usb_serial *serial)
+static int ark3116_port_remove(struct usb_serial_port *port)
 {
-	struct usb_serial_port *port = serial->port[0];
 	struct ark3116_private *priv = usb_get_serial_port_data(port);
 
 	/* device is closed, so URBs and DMA should be down */
-
-	usb_set_serial_port_data(port, NULL);
-
 	mutex_destroy(&priv->hw_lock);
-
 	kfree(priv);
+
+	return 0;
 }
 
 static void ark3116_init_termios(struct tty_struct *tty)
@@ -723,7 +724,8 @@ static struct usb_serial_driver ark3116_device = {
 	.id_table =		id_table,
 	.num_ports =		1,
 	.attach =		ark3116_attach,
-	.release =		ark3116_release,
+	.port_probe =		ark3116_port_probe,
+	.port_remove =		ark3116_port_remove,
 	.set_termios =		ark3116_set_termios,
 	.init_termios =		ark3116_init_termios,
 	.ioctl =		ark3116_ioctl,
diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c
index 99449424193f..ea29556f0d72 100644
--- a/drivers/usb/serial/belkin_sa.c
+++ b/drivers/usb/serial/belkin_sa.c
@@ -45,8 +45,8 @@
 #define DRIVER_DESC "USB Belkin Serial converter driver"
 
 /* function prototypes for a Belkin USB Serial Adapter F5U103 */
-static int  belkin_sa_startup(struct usb_serial *serial);
-static void belkin_sa_release(struct usb_serial *serial);
+static int belkin_sa_port_probe(struct usb_serial_port *port);
+static int belkin_sa_port_remove(struct usb_serial_port *port);
 static int  belkin_sa_open(struct tty_struct *tty,
 			struct usb_serial_port *port);
 static void belkin_sa_close(struct usb_serial_port *port);
@@ -88,8 +88,8 @@ static struct usb_serial_driver belkin_device = {
 	.break_ctl =		belkin_sa_break_ctl,
 	.tiocmget =		belkin_sa_tiocmget,
 	.tiocmset =		belkin_sa_tiocmset,
-	.attach =		belkin_sa_startup,
-	.release =		belkin_sa_release,
+	.port_probe =		belkin_sa_port_probe,
+	.port_remove =		belkin_sa_port_remove,
 };
 
 static struct usb_serial_driver * const serial_drivers[] = {
@@ -118,17 +118,15 @@ struct belkin_sa_private {
 					    (c), BELKIN_SA_SET_REQUEST_TYPE, \
 					    (v), 0, NULL, 0, WDR_TIMEOUT)
 
-/* do some startup allocations not currently performed by usb_serial_probe() */
-static int belkin_sa_startup(struct usb_serial *serial)
+static int belkin_sa_port_probe(struct usb_serial_port *port)
 {
-	struct usb_device *dev = serial->dev;
+	struct usb_device *dev = port->serial->dev;
 	struct belkin_sa_private *priv;
 
-	/* allocate the private data structure */
 	priv = kmalloc(sizeof(struct belkin_sa_private), GFP_KERNEL);
 	if (!priv)
-		return -1; /* error */
-	/* set initial values for control structures */
+		return -ENOMEM;
+
 	spin_lock_init(&priv->lock);
 	priv->control_state = 0;
 	priv->last_lsr = 0;
@@ -140,18 +138,19 @@ static int belkin_sa_startup(struct usb_serial *serial)
 					le16_to_cpu(dev->descriptor.bcdDevice),
 					priv->bad_flow_control);
 
-	init_waitqueue_head(&serial->port[0]->write_wait);
-	usb_set_serial_port_data(serial->port[0], priv);
+	usb_set_serial_port_data(port, priv);
 
 	return 0;
 }
 
-static void belkin_sa_release(struct usb_serial *serial)
+static int belkin_sa_port_remove(struct usb_serial_port *port)
 {
-	int i;
+	struct belkin_sa_private *priv;
 
-	for (i = 0; i < serial->num_ports; ++i)
-		kfree(usb_get_serial_port_data(serial->port[i]));
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
 static int belkin_sa_open(struct tty_struct *tty,
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 28af5acc3360..eb033fc92a15 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -162,7 +162,7 @@ static const struct usb_device_id id_table[] = {
 
 MODULE_DEVICE_TABLE(usb, id_table);
 
-struct cp210x_port_private {
+struct cp210x_serial_private {
 	__u8			bInterfaceNumber;
 };
 
@@ -276,7 +276,7 @@ static int cp210x_get_config(struct usb_serial_port *port, u8 request,
 		unsigned int *data, int size)
 {
 	struct usb_serial *serial = port->serial;
-	struct cp210x_port_private *port_priv = usb_get_serial_port_data(port);
+	struct cp210x_serial_private *spriv = usb_get_serial_data(serial);
 	__le32 *buf;
 	int result, i, length;
 
@@ -292,7 +292,7 @@ static int cp210x_get_config(struct usb_serial_port *port, u8 request,
 	/* Issue the request, attempting to read 'size' bytes */
 	result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
 				request, REQTYPE_INTERFACE_TO_HOST, 0x0000,
-				port_priv->bInterfaceNumber, buf, size,
+				spriv->bInterfaceNumber, buf, size,
 				USB_CTRL_GET_TIMEOUT);
 
 	/* Convert data into an array of integers */
@@ -323,7 +323,7 @@ static int cp210x_set_config(struct usb_serial_port *port, u8 request,
 		unsigned int *data, int size)
 {
 	struct usb_serial *serial = port->serial;
-	struct cp210x_port_private *port_priv = usb_get_serial_port_data(port);
+	struct cp210x_serial_private *spriv = usb_get_serial_data(serial);
 	__le32 *buf;
 	int result, i, length;
 
@@ -345,13 +345,13 @@ static int cp210x_set_config(struct usb_serial_port *port, u8 request,
 		result = usb_control_msg(serial->dev,
 				usb_sndctrlpipe(serial->dev, 0),
 				request, REQTYPE_HOST_TO_INTERFACE, 0x0000,
-				port_priv->bInterfaceNumber, buf, size,
+				spriv->bInterfaceNumber, buf, size,
 				USB_CTRL_SET_TIMEOUT);
 	} else {
 		result = usb_control_msg(serial->dev,
 				usb_sndctrlpipe(serial->dev, 0),
 				request, REQTYPE_HOST_TO_INTERFACE, data[0],
-				port_priv->bInterfaceNumber, NULL, 0,
+				spriv->bInterfaceNumber, NULL, 0,
 				USB_CTRL_SET_TIMEOUT);
 	}
 
@@ -845,36 +845,30 @@ static void cp210x_break_ctl (struct tty_struct *tty, int break_state)
 
 static int cp210x_startup(struct usb_serial *serial)
 {
-	struct cp210x_port_private *port_priv;
-	int i;
+	struct usb_host_interface *cur_altsetting;
+	struct cp210x_serial_private *spriv;
 
 	/* cp210x buffers behave strangely unless device is reset */
 	usb_reset_device(serial->dev);
 
-	for (i = 0; i < serial->num_ports; i++) {
-		port_priv = kzalloc(sizeof(*port_priv), GFP_KERNEL);
-		if (!port_priv)
-			return -ENOMEM;
+	spriv = kzalloc(sizeof(*spriv), GFP_KERNEL);
+	if (!spriv)
+		return -ENOMEM;
 
-		port_priv->bInterfaceNumber =
-		    serial->interface->cur_altsetting->desc.bInterfaceNumber;
+	cur_altsetting = serial->interface->cur_altsetting;
+	spriv->bInterfaceNumber = cur_altsetting->desc.bInterfaceNumber;
 
-		usb_set_serial_port_data(serial->port[i], port_priv);
-	}
+	usb_set_serial_data(serial, spriv);
 
 	return 0;
 }
 
 static void cp210x_release(struct usb_serial *serial)
 {
-	struct cp210x_port_private *port_priv;
-	int i;
+	struct cp210x_serial_private *spriv;
 
-	for (i = 0; i < serial->num_ports; i++) {
-		port_priv = usb_get_serial_port_data(serial->port[i]);
-		kfree(port_priv);
-		usb_set_serial_port_data(serial->port[i], NULL);
-	}
+	spriv = usb_get_serial_data(serial);
+	kfree(spriv);
 }
 
 module_usb_serial_driver(serial_drivers, id_table);
diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c
index 2a7aecc72237..4ee77dcbe690 100644
--- a/drivers/usb/serial/cyberjack.c
+++ b/drivers/usb/serial/cyberjack.c
@@ -55,9 +55,9 @@
 #define CYBERJACK_PRODUCT_ID	0x0100
 
 /* Function prototypes */
-static int cyberjack_startup(struct usb_serial *serial);
 static void cyberjack_disconnect(struct usb_serial *serial);
-static void cyberjack_release(struct usb_serial *serial);
+static int cyberjack_port_probe(struct usb_serial_port *port);
+static int cyberjack_port_remove(struct usb_serial_port *port);
 static int  cyberjack_open(struct tty_struct *tty,
 	struct usb_serial_port *port);
 static void cyberjack_close(struct usb_serial_port *port);
@@ -83,9 +83,9 @@ static struct usb_serial_driver cyberjack_device = {
 	.description =		"Reiner SCT Cyberjack USB card reader",
 	.id_table =		id_table,
 	.num_ports =		1,
-	.attach =		cyberjack_startup,
 	.disconnect =		cyberjack_disconnect,
-	.release =		cyberjack_release,
+	.port_probe =		cyberjack_port_probe,
+	.port_remove =		cyberjack_port_remove,
 	.open =			cyberjack_open,
 	.close =		cyberjack_close,
 	.write =		cyberjack_write,
@@ -107,56 +107,45 @@ struct cyberjack_private {
 	short		wrsent;		/* Data already sent */
 };
 
-/* do some startup allocations not currently performed by usb_serial_probe() */
-static int cyberjack_startup(struct usb_serial *serial)
+static int cyberjack_port_probe(struct usb_serial_port *port)
 {
 	struct cyberjack_private *priv;
-	int i;
+	int result;
 
-	/* allocate the private data structure */
 	priv = kmalloc(sizeof(struct cyberjack_private), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
-	/* set initial values */
 	spin_lock_init(&priv->lock);
 	priv->rdtodo = 0;
 	priv->wrfilled = 0;
 	priv->wrsent = 0;
-	usb_set_serial_port_data(serial->port[0], priv);
 
-	init_waitqueue_head(&serial->port[0]->write_wait);
+	usb_set_serial_port_data(port, priv);
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		int result;
-		result = usb_submit_urb(serial->port[i]->interrupt_in_urb,
-					GFP_KERNEL);
-		if (result)
-			dev_err(&serial->dev->dev,
-				"usb_submit_urb(read int) failed\n");
-		dev_dbg(&serial->dev->dev, "%s - usb_submit_urb(int urb)\n",
-			__func__);
-	}
+	result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
+	if (result)
+		dev_err(&port->dev, "usb_submit_urb(read int) failed\n");
 
 	return 0;
 }
 
-static void cyberjack_disconnect(struct usb_serial *serial)
+static int cyberjack_port_remove(struct usb_serial_port *port)
 {
-	int i;
+	struct cyberjack_private *priv;
 
-	for (i = 0; i < serial->num_ports; ++i)
-		usb_kill_urb(serial->port[i]->interrupt_in_urb);
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
-static void cyberjack_release(struct usb_serial *serial)
+static void cyberjack_disconnect(struct usb_serial *serial)
 {
 	int i;
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		/* My special items, the standard routines free my urbs */
-		kfree(usb_get_serial_port_data(serial->port[i]));
-	}
+	for (i = 0; i < serial->num_ports; ++i)
+		usb_kill_urb(serial->port[i]->interrupt_in_urb);
 }
 
 static int  cyberjack_open(struct tty_struct *tty,
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 1befce21e173..f0da1279c114 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -123,10 +123,10 @@ struct cypress_private {
 };
 
 /* function prototypes for the Cypress USB to serial device */
-static int  cypress_earthmate_startup(struct usb_serial *serial);
-static int  cypress_hidcom_startup(struct usb_serial *serial);
-static int  cypress_ca42v2_startup(struct usb_serial *serial);
-static void cypress_release(struct usb_serial *serial);
+static int  cypress_earthmate_port_probe(struct usb_serial_port *port);
+static int  cypress_hidcom_port_probe(struct usb_serial_port *port);
+static int  cypress_ca42v2_port_probe(struct usb_serial_port *port);
+static int  cypress_port_remove(struct usb_serial_port *port);
 static int  cypress_open(struct tty_struct *tty, struct usb_serial_port *port);
 static void cypress_close(struct usb_serial_port *port);
 static void cypress_dtr_rts(struct usb_serial_port *port, int on);
@@ -156,8 +156,8 @@ static struct usb_serial_driver cypress_earthmate_device = {
 	.description =			"DeLorme Earthmate USB",
 	.id_table =			id_table_earthmate,
 	.num_ports =			1,
-	.attach =			cypress_earthmate_startup,
-	.release =			cypress_release,
+	.port_probe =			cypress_earthmate_port_probe,
+	.port_remove =			cypress_port_remove,
 	.open =				cypress_open,
 	.close =			cypress_close,
 	.dtr_rts =			cypress_dtr_rts,
@@ -182,8 +182,8 @@ static struct usb_serial_driver cypress_hidcom_device = {
 	.description =			"HID->COM RS232 Adapter",
 	.id_table =			id_table_cyphidcomrs232,
 	.num_ports =			1,
-	.attach =			cypress_hidcom_startup,
-	.release =			cypress_release,
+	.port_probe =			cypress_hidcom_port_probe,
+	.port_remove =			cypress_port_remove,
 	.open =				cypress_open,
 	.close =			cypress_close,
 	.dtr_rts =			cypress_dtr_rts,
@@ -208,8 +208,8 @@ static struct usb_serial_driver cypress_ca42v2_device = {
 	.description =			"Nokia CA-42 V2 Adapter",
 	.id_table =			id_table_nokiaca42v2,
 	.num_ports =			1,
-	.attach =			cypress_ca42v2_startup,
-	.release =			cypress_release,
+	.port_probe =			cypress_ca42v2_port_probe,
+	.port_remove =			cypress_port_remove,
 	.open =				cypress_open,
 	.close =			cypress_close,
 	.dtr_rts =			cypress_dtr_rts,
@@ -438,10 +438,10 @@ static void cypress_set_dead(struct usb_serial_port *port)
  *****************************************************************************/
 
 
-static int generic_startup(struct usb_serial *serial)
+static int cypress_generic_port_probe(struct usb_serial_port *port)
 {
+	struct usb_serial *serial = port->serial;
 	struct cypress_private *priv;
-	struct usb_serial_port *port = serial->port[0];
 
 	priv = kzalloc(sizeof(struct cypress_private), GFP_KERNEL);
 	if (!priv)
@@ -490,14 +490,16 @@ static int generic_startup(struct usb_serial *serial)
 }
 
 
-static int cypress_earthmate_startup(struct usb_serial *serial)
+static int cypress_earthmate_port_probe(struct usb_serial_port *port)
 {
+	struct usb_serial *serial = port->serial;
 	struct cypress_private *priv;
-	struct usb_serial_port *port = serial->port[0];
+	int ret;
 
-	if (generic_startup(serial)) {
+	ret = cypress_generic_port_probe(port);
+	if (ret) {
 		dev_dbg(&port->dev, "%s - Failed setting up port\n", __func__);
-		return 1;
+		return ret;
 	}
 
 	priv = usb_get_serial_port_data(port);
@@ -518,56 +520,53 @@ static int cypress_earthmate_startup(struct usb_serial *serial)
 	}
 
 	return 0;
-} /* cypress_earthmate_startup */
-
+}
 
-static int cypress_hidcom_startup(struct usb_serial *serial)
+static int cypress_hidcom_port_probe(struct usb_serial_port *port)
 {
 	struct cypress_private *priv;
-	struct usb_serial_port *port = serial->port[0];
+	int ret;
 
-	if (generic_startup(serial)) {
+	ret = cypress_generic_port_probe(port);
+	if (ret) {
 		dev_dbg(&port->dev, "%s - Failed setting up port\n", __func__);
-		return 1;
+		return ret;
 	}
 
 	priv = usb_get_serial_port_data(port);
 	priv->chiptype = CT_CYPHIDCOM;
 
 	return 0;
-} /* cypress_hidcom_startup */
-
+}
 
-static int cypress_ca42v2_startup(struct usb_serial *serial)
+static int cypress_ca42v2_port_probe(struct usb_serial_port *port)
 {
 	struct cypress_private *priv;
-	struct usb_serial_port *port = serial->port[0];
+	int ret;
 
-	if (generic_startup(serial)) {
+	ret = cypress_generic_port_probe(port);
+	if (ret) {
 		dev_dbg(&port->dev, "%s - Failed setting up port\n", __func__);
-		return 1;
+		return ret;
 	}
 
 	priv = usb_get_serial_port_data(port);
 	priv->chiptype = CT_CA42V2;
 
 	return 0;
-} /* cypress_ca42v2_startup */
-
+}
 
-static void cypress_release(struct usb_serial *serial)
+static int cypress_port_remove(struct usb_serial_port *port)
 {
 	struct cypress_private *priv;
 
-	/* all open ports are closed at this point */
-	priv = usb_get_serial_port_data(serial->port[0]);
+	priv = usb_get_serial_port_data(port);
 
-	if (priv) {
-		kfifo_free(&priv->write_fifo);
-		kfree(priv);
-	}
-}
+	kfifo_free(&priv->write_fifo);
+	kfree(priv);
 
+	return 0;
+}
 
 static int cypress_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c
index 244477107e2f..6e4eb57d0177 100644
--- a/drivers/usb/serial/f81232.c
+++ b/drivers/usb/serial/f81232.c
@@ -318,39 +318,30 @@ static int f81232_ioctl(struct tty_struct *tty,
 	return -ENOIOCTLCMD;
 }
 
-static int f81232_startup(struct usb_serial *serial)
+static int f81232_port_probe(struct usb_serial_port *port)
 {
 	struct f81232_private *priv;
-	int i;
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		priv = kzalloc(sizeof(struct f81232_private), GFP_KERNEL);
-		if (!priv)
-			goto cleanup;
-		spin_lock_init(&priv->lock);
-		init_waitqueue_head(&priv->delta_msr_wait);
-		usb_set_serial_port_data(serial->port[i], priv);
-	}
-	return 0;
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
 
-cleanup:
-	for (--i; i >= 0; --i) {
-		priv = usb_get_serial_port_data(serial->port[i]);
-		kfree(priv);
-		usb_set_serial_port_data(serial->port[i], NULL);
-	}
-	return -ENOMEM;
+	spin_lock_init(&priv->lock);
+	init_waitqueue_head(&priv->delta_msr_wait);
+
+	usb_set_serial_port_data(port, priv);
+
+	return 0;
 }
 
-static void f81232_release(struct usb_serial *serial)
+static int f81232_port_remove(struct usb_serial_port *port)
 {
-	int i;
 	struct f81232_private *priv;
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		priv = usb_get_serial_port_data(serial->port[i]);
-		kfree(priv);
-	}
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
 static struct usb_serial_driver f81232_device = {
@@ -373,8 +364,8 @@ static struct usb_serial_driver f81232_device = {
 	.tiocmset =		f81232_tiocmset,
 	.process_read_urb =	f81232_process_read_urb,
 	.read_int_callback =	f81232_read_int_callback,
-	.attach =		f81232_startup,
-	.release =		f81232_release,
+	.port_probe =		f81232_port_probe,
+	.port_remove =		f81232_port_remove,
 };
 
 static struct usb_serial_driver * const serial_drivers[] = {
diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index 3ee92648c02d..203358d7e7bc 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -1405,11 +1405,10 @@ static void timeout_handler(unsigned long data)
 
 
 
-static int garmin_attach(struct usb_serial *serial)
+static int garmin_port_probe(struct usb_serial_port *port)
 {
-	int status = 0;
-	struct usb_serial_port *port = serial->port[0];
-	struct garmin_data *garmin_data_p = NULL;
+	int status;
+	struct garmin_data *garmin_data_p;
 
 	garmin_data_p = kzalloc(sizeof(struct garmin_data), GFP_KERNEL);
 	if (garmin_data_p == NULL) {
@@ -1434,22 +1433,14 @@ static int garmin_attach(struct usb_serial *serial)
 }
 
 
-static void garmin_disconnect(struct usb_serial *serial)
+static int garmin_port_remove(struct usb_serial_port *port)
 {
-	struct usb_serial_port *port = serial->port[0];
 	struct garmin_data *garmin_data_p = usb_get_serial_port_data(port);
 
 	usb_kill_urb(port->interrupt_in_urb);
 	del_timer_sync(&garmin_data_p->timer);
-}
-
-
-static void garmin_release(struct usb_serial *serial)
-{
-	struct usb_serial_port *port = serial->port[0];
-	struct garmin_data *garmin_data_p = usb_get_serial_port_data(port);
-
 	kfree(garmin_data_p);
+	return 0;
 }
 
 
@@ -1466,9 +1457,8 @@ static struct usb_serial_driver garmin_device = {
 	.close               = garmin_close,
 	.throttle            = garmin_throttle,
 	.unthrottle          = garmin_unthrottle,
-	.attach              = garmin_attach,
-	.disconnect          = garmin_disconnect,
-	.release             = garmin_release,
+	.port_probe		= garmin_port_probe,
+	.port_remove		= garmin_port_remove,
 	.write               = garmin_write,
 	.write_room          = garmin_write_room,
 	.write_bulk_callback = garmin_write_bulk_callback,
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index 8e6faaf3580c..5acc0d13864a 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -225,6 +225,8 @@ static int  edge_get_icount(struct tty_struct *tty,
 static int  edge_startup(struct usb_serial *serial);
 static void edge_disconnect(struct usb_serial *serial);
 static void edge_release(struct usb_serial *serial);
+static int edge_port_probe(struct usb_serial_port *port);
+static int edge_port_remove(struct usb_serial_port *port);
 
 #include "io_tables.h"	/* all of the devices that this driver supports */
 
@@ -2875,10 +2877,9 @@ static void load_application_firmware(struct edgeport_serial *edge_serial)
 static int edge_startup(struct usb_serial *serial)
 {
 	struct edgeport_serial *edge_serial;
-	struct edgeport_port *edge_port;
 	struct usb_device *dev;
 	struct device *ddev = &serial->dev->dev;
-	int i, j;
+	int i;
 	int response;
 	bool interrupt_in_found;
 	bool bulk_in_found;
@@ -2961,25 +2962,6 @@ static int edge_startup(struct usb_serial *serial)
 	/* we set up the pointers to the endpoints in the edge_open function,
 	 * as the structures aren't created yet. */
 
-	/* set up our port private structures */
-	for (i = 0; i < serial->num_ports; ++i) {
-		edge_port = kzalloc(sizeof(struct edgeport_port), GFP_KERNEL);
-		if (edge_port == NULL) {
-			dev_err(ddev, "%s - Out of memory\n", __func__);
-			for (j = 0; j < i; ++j) {
-				kfree(usb_get_serial_port_data(serial->port[j]));
-				usb_set_serial_port_data(serial->port[j],
-									NULL);
-			}
-			usb_set_serial_data(serial, NULL);
-			kfree(edge_serial);
-			return -ENOMEM;
-		}
-		spin_lock_init(&edge_port->ep_lock);
-		edge_port->port = serial->port[i];
-		usb_set_serial_port_data(serial->port[i], edge_port);
-	}
-
 	response = 0;
 
 	if (edge_serial->is_epic) {
@@ -3120,14 +3102,36 @@ static void edge_disconnect(struct usb_serial *serial)
 static void edge_release(struct usb_serial *serial)
 {
 	struct edgeport_serial *edge_serial = usb_get_serial_data(serial);
-	int i;
-
-	for (i = 0; i < serial->num_ports; ++i)
-		kfree(usb_get_serial_port_data(serial->port[i]));
 
 	kfree(edge_serial);
 }
 
+static int edge_port_probe(struct usb_serial_port *port)
+{
+	struct edgeport_port *edge_port;
+
+	edge_port = kzalloc(sizeof(*edge_port), GFP_KERNEL);
+	if (!edge_port)
+		return -ENOMEM;
+
+	spin_lock_init(&edge_port->ep_lock);
+	edge_port->port = port;
+
+	usb_set_serial_port_data(port, edge_port);
+
+	return 0;
+}
+
+static int edge_port_remove(struct usb_serial_port *port)
+{
+	struct edgeport_port *edge_port;
+
+	edge_port = usb_get_serial_port_data(port);
+	kfree(edge_port);
+
+	return 0;
+}
+
 module_usb_serial_driver(serial_drivers, id_table_combined);
 
 MODULE_AUTHOR(DRIVER_AUTHOR);
diff --git a/drivers/usb/serial/io_tables.h b/drivers/usb/serial/io_tables.h
index 350afddb55ba..1511dd0ad324 100644
--- a/drivers/usb/serial/io_tables.h
+++ b/drivers/usb/serial/io_tables.h
@@ -110,6 +110,8 @@ static struct usb_serial_driver edgeport_2port_device = {
 	.attach			= edge_startup,
 	.disconnect		= edge_disconnect,
 	.release		= edge_release,
+	.port_probe		= edge_port_probe,
+	.port_remove		= edge_port_remove,
 	.ioctl			= edge_ioctl,
 	.set_termios		= edge_set_termios,
 	.tiocmget		= edge_tiocmget,
@@ -139,6 +141,8 @@ static struct usb_serial_driver edgeport_4port_device = {
 	.attach			= edge_startup,
 	.disconnect		= edge_disconnect,
 	.release		= edge_release,
+	.port_probe		= edge_port_probe,
+	.port_remove		= edge_port_remove,
 	.ioctl			= edge_ioctl,
 	.set_termios		= edge_set_termios,
 	.tiocmget		= edge_tiocmget,
@@ -168,6 +172,8 @@ static struct usb_serial_driver edgeport_8port_device = {
 	.attach			= edge_startup,
 	.disconnect		= edge_disconnect,
 	.release		= edge_release,
+	.port_probe		= edge_port_probe,
+	.port_remove		= edge_port_remove,
 	.ioctl			= edge_ioctl,
 	.set_termios		= edge_set_termios,
 	.tiocmget		= edge_tiocmget,
@@ -197,6 +203,8 @@ static struct usb_serial_driver epic_device = {
 	.attach			= edge_startup,
 	.disconnect		= edge_disconnect,
 	.release		= edge_release,
+	.port_probe		= edge_port_probe,
+	.port_remove		= edge_port_remove,
 	.ioctl			= edge_ioctl,
 	.set_termios		= edge_set_termios,
 	.tiocmget		= edge_tiocmget,
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index a2209cd45093..60023c2d2a31 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -2532,12 +2532,7 @@ static void edge_break(struct tty_struct *tty, int break_state)
 static int edge_startup(struct usb_serial *serial)
 {
 	struct edgeport_serial *edge_serial;
-	struct edgeport_port *edge_port;
-	struct usb_device *dev;
 	int status;
-	int i;
-
-	dev = serial->dev;
 
 	/* create our private serial structure */
 	edge_serial = kzalloc(sizeof(struct edgeport_serial), GFP_KERNEL);
@@ -2555,40 +2550,7 @@ static int edge_startup(struct usb_serial *serial)
 		return status;
 	}
 
-	/* set up our port private structures */
-	for (i = 0; i < serial->num_ports; ++i) {
-		edge_port = kzalloc(sizeof(struct edgeport_port), GFP_KERNEL);
-		if (edge_port == NULL) {
-			dev_err(&serial->dev->dev, "%s - Out of memory\n",
-								__func__);
-			goto cleanup;
-		}
-		spin_lock_init(&edge_port->ep_lock);
-		if (kfifo_alloc(&edge_port->write_fifo, EDGE_OUT_BUF_SIZE,
-								GFP_KERNEL)) {
-			dev_err(&serial->dev->dev, "%s - Out of memory\n",
-								__func__);
-			kfree(edge_port);
-			goto cleanup;
-		}
-		edge_port->port = serial->port[i];
-		edge_port->edge_serial = edge_serial;
-		usb_set_serial_port_data(serial->port[i], edge_port);
-		edge_port->bUartMode = default_uart_mode;
-	}
-
 	return 0;
-
-cleanup:
-	for (--i; i >= 0; --i) {
-		edge_port = usb_get_serial_port_data(serial->port[i]);
-		kfifo_free(&edge_port->write_fifo);
-		kfree(edge_port);
-		usb_set_serial_port_data(serial->port[i], NULL);
-	}
-	kfree(edge_serial);
-	usb_set_serial_data(serial, NULL);
-	return -ENOMEM;
 }
 
 static void edge_disconnect(struct usb_serial *serial)
@@ -2597,17 +2559,54 @@ static void edge_disconnect(struct usb_serial *serial)
 
 static void edge_release(struct usb_serial *serial)
 {
-	int i;
+	kfree(usb_get_serial_data(serial));
+}
+
+static int edge_port_probe(struct usb_serial_port *port)
+{
 	struct edgeport_port *edge_port;
+	int ret;
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		edge_port = usb_get_serial_port_data(serial->port[i]);
+	edge_port = kzalloc(sizeof(*edge_port), GFP_KERNEL);
+	if (!edge_port)
+		return -ENOMEM;
+
+	ret = kfifo_alloc(&edge_port->write_fifo, EDGE_OUT_BUF_SIZE,
+								GFP_KERNEL);
+	if (ret) {
+		kfree(edge_port);
+		return -ENOMEM;
+	}
+
+	spin_lock_init(&edge_port->ep_lock);
+	edge_port->port = port;
+	edge_port->edge_serial = usb_get_serial_data(port->serial);
+	edge_port->bUartMode = default_uart_mode;
+
+	usb_set_serial_port_data(port, edge_port);
+
+	ret = edge_create_sysfs_attrs(port);
+	if (ret) {
 		kfifo_free(&edge_port->write_fifo);
 		kfree(edge_port);
+		return ret;
 	}
-	kfree(usb_get_serial_data(serial));
+
+	return 0;
 }
 
+static int edge_port_remove(struct usb_serial_port *port)
+{
+	struct edgeport_port *edge_port;
+
+	edge_port = usb_get_serial_port_data(port);
+
+	edge_remove_sysfs_attrs(port);
+	kfifo_free(&edge_port->write_fifo);
+	kfree(edge_port);
+
+	return 0;
+}
 
 /* Sysfs Attributes */
 
@@ -2667,8 +2666,8 @@ static struct usb_serial_driver edgeport_1port_device = {
 	.attach			= edge_startup,
 	.disconnect		= edge_disconnect,
 	.release		= edge_release,
-	.port_probe		= edge_create_sysfs_attrs,
-	.port_remove		= edge_remove_sysfs_attrs,
+	.port_probe		= edge_port_probe,
+	.port_remove		= edge_port_remove,
 	.ioctl			= edge_ioctl,
 	.set_termios		= edge_set_termios,
 	.tiocmget		= edge_tiocmget,
@@ -2698,8 +2697,8 @@ static struct usb_serial_driver edgeport_2port_device = {
 	.attach			= edge_startup,
 	.disconnect		= edge_disconnect,
 	.release		= edge_release,
-	.port_probe		= edge_create_sysfs_attrs,
-	.port_remove		= edge_remove_sysfs_attrs,
+	.port_probe		= edge_port_probe,
+	.port_remove		= edge_port_remove,
 	.ioctl			= edge_ioctl,
 	.set_termios		= edge_set_termios,
 	.tiocmget		= edge_tiocmget,
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index 01da3ea36e89..cd5533e81de7 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -53,6 +53,8 @@ static int iuu_cardout;
 static bool xmas;
 static int vcc_default = 5;
 
+static int iuu_create_sysfs_attrs(struct usb_serial_port *port);
+static int iuu_remove_sysfs_attrs(struct usb_serial_port *port);
 static void read_rxcmd_callback(struct urb *urb);
 
 struct iuu_private {
@@ -72,63 +74,55 @@ struct iuu_private {
 	u32 clk;
 };
 
-
-static void iuu_free_buf(struct iuu_private *priv)
-{
-	kfree(priv->buf);
-	kfree(priv->writebuf);
-}
-
-static int iuu_alloc_buf(struct usb_serial *serial, struct iuu_private *priv)
-{
-	priv->buf = kzalloc(256, GFP_KERNEL);
-	priv->writebuf = kzalloc(256, GFP_KERNEL);
-	if (!priv->buf || !priv->writebuf) {
-		iuu_free_buf(priv);
-		dev_dbg(&serial->dev->dev, "%s problem allocation buffer\n", __func__);
-		return -ENOMEM;
-	}
-	dev_dbg(&serial->dev->dev, "%s - Privates buffers allocation success\n", __func__);
-	return 0;
-}
-
-static int iuu_startup(struct usb_serial *serial)
+static int iuu_port_probe(struct usb_serial_port *port)
 {
 	struct iuu_private *priv;
+	int ret;
 
 	priv = kzalloc(sizeof(struct iuu_private), GFP_KERNEL);
-	dev_dbg(&serial->dev->dev, "%s- priv allocation success\n", __func__);
 	if (!priv)
 		return -ENOMEM;
-	if (iuu_alloc_buf(serial, priv)) {
+
+	priv->buf = kzalloc(256, GFP_KERNEL);
+	if (!priv->buf) {
+		kfree(priv);
+		return -ENOMEM;
+	}
+
+	priv->writebuf = kzalloc(256, GFP_KERNEL);
+	if (!priv->writebuf) {
+		kfree(priv->buf);
 		kfree(priv);
 		return -ENOMEM;
 	}
+
 	priv->vcc = vcc_default;
 	spin_lock_init(&priv->lock);
 	init_waitqueue_head(&priv->delta_msr_wait);
-	usb_set_serial_port_data(serial->port[0], priv);
+
+	usb_set_serial_port_data(port, priv);
+
+	ret = iuu_create_sysfs_attrs(port);
+	if (ret) {
+		kfree(priv->writebuf);
+		kfree(priv->buf);
+		kfree(priv);
+		return ret;
+	}
+
 	return 0;
 }
 
-/* Release function */
-static void iuu_release(struct usb_serial *serial)
+static int iuu_port_remove(struct usb_serial_port *port)
 {
-	struct usb_serial_port *port = serial->port[0];
 	struct iuu_private *priv = usb_get_serial_port_data(port);
-	if (!port)
-		return;
 
-	if (priv) {
-		iuu_free_buf(priv);
-		dev_dbg(&port->dev, "%s - I will free all\n", __func__);
-		usb_set_serial_port_data(port, NULL);
-
-		dev_dbg(&port->dev, "%s - priv is not anymore in port structure\n", __func__);
-		kfree(priv);
+	iuu_remove_sysfs_attrs(port);
+	kfree(priv->writebuf);
+	kfree(priv->buf);
+	kfree(priv);
 
-		dev_dbg(&port->dev, "%s priv is now kfree\n", __func__);
-	}
+	return 0;
 }
 
 static int iuu_tiocmset(struct tty_struct *tty,
@@ -1215,8 +1209,6 @@ static struct usb_serial_driver iuu_device = {
 	.num_ports = 1,
 	.bulk_in_size = 512,
 	.bulk_out_size = 512,
-	.port_probe = iuu_create_sysfs_attrs,
-	.port_remove = iuu_remove_sysfs_attrs,
 	.open = iuu_open,
 	.close = iuu_close,
 	.write = iuu_uart_write,
@@ -1225,8 +1217,8 @@ static struct usb_serial_driver iuu_device = {
 	.tiocmset = iuu_tiocmset,
 	.set_termios = iuu_set_termios,
 	.init_termios = iuu_init_termios,
-	.attach = iuu_startup,
-	.release = iuu_release,
+	.port_probe = iuu_port_probe,
+	.port_remove = iuu_port_remove,
 };
 
 static struct usb_serial_driver * const serial_drivers[] = {
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index ca43ecb4a2bd..bb87e29c4ac2 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -713,29 +713,33 @@ MODULE_FIRMWARE("keyspan_pda/keyspan_pda.fw");
 MODULE_FIRMWARE("keyspan_pda/xircom_pgs.fw");
 #endif
 
-static int keyspan_pda_startup(struct usb_serial *serial)
+static int keyspan_pda_port_probe(struct usb_serial_port *port)
 {
 
 	struct keyspan_pda_private *priv;
 
-	/* allocate the private data structures for all ports. Well, for all
-	   one ports. */
-
 	priv = kmalloc(sizeof(struct keyspan_pda_private), GFP_KERNEL);
 	if (!priv)
-		return 1; /* error */
-	usb_set_serial_port_data(serial->port[0], priv);
-	init_waitqueue_head(&serial->port[0]->write_wait);
+		return -ENOMEM;
+
 	INIT_WORK(&priv->wakeup_work, keyspan_pda_wakeup_write);
 	INIT_WORK(&priv->unthrottle_work, keyspan_pda_request_unthrottle);
-	priv->serial = serial;
-	priv->port = serial->port[0];
+	priv->serial = port->serial;
+	priv->port = port;
+
+	usb_set_serial_port_data(port, priv);
+
 	return 0;
 }
 
-static void keyspan_pda_release(struct usb_serial *serial)
+static int keyspan_pda_port_remove(struct usb_serial_port *port)
 {
-	kfree(usb_get_serial_port_data(serial->port[0]));
+	struct keyspan_pda_private *priv;
+
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
 #ifdef KEYSPAN
@@ -786,8 +790,8 @@ static struct usb_serial_driver keyspan_pda_device = {
 	.break_ctl =		keyspan_pda_break_ctl,
 	.tiocmget =		keyspan_pda_tiocmget,
 	.tiocmset =		keyspan_pda_tiocmset,
-	.attach =		keyspan_pda_startup,
-	.release =		keyspan_pda_release,
+	.port_probe =		keyspan_pda_port_probe,
+	.port_remove =		keyspan_pda_port_remove,
 };
 
 static struct usb_serial_driver * const serial_drivers[] = {
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index 3f6d7376c02d..1f4517864cd2 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -60,8 +60,8 @@
 /*
  * Function prototypes
  */
-static int  klsi_105_startup(struct usb_serial *serial);
-static void klsi_105_release(struct usb_serial *serial);
+static int klsi_105_port_probe(struct usb_serial_port *port);
+static int klsi_105_port_remove(struct usb_serial_port *port);
 static int  klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port);
 static void klsi_105_close(struct usb_serial_port *port);
 static void klsi_105_set_termios(struct tty_struct *tty,
@@ -99,8 +99,8 @@ static struct usb_serial_driver kl5kusb105d_device = {
 	/*.break_ctl =		klsi_105_break_ctl,*/
 	.tiocmget =		klsi_105_tiocmget,
 	.tiocmset =		klsi_105_tiocmset,
-	.attach =		klsi_105_startup,
-	.release =		klsi_105_release,
+	.port_probe =		klsi_105_port_probe,
+	.port_remove =		klsi_105_port_remove,
 	.throttle =		usb_serial_generic_throttle,
 	.unthrottle =		usb_serial_generic_unthrottle,
 	.process_read_urb =	klsi_105_process_read_urb,
@@ -223,60 +223,40 @@ static int klsi_105_get_line_state(struct usb_serial_port *port,
  * Driver's tty interface functions
  */
 
-static int klsi_105_startup(struct usb_serial *serial)
+static int klsi_105_port_probe(struct usb_serial_port *port)
 {
 	struct klsi_105_private *priv;
-	int i;
 
-	/* check if we support the product id (see keyspan.c)
-	 * FIXME
-	 */
+	priv = kmalloc(sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
 
-	/* allocate the private data structure */
-	for (i = 0; i < serial->num_ports; i++) {
-		priv = kmalloc(sizeof(struct klsi_105_private),
-						   GFP_KERNEL);
-		if (!priv) {
-			dev_dbg(&serial->interface->dev,
-				"%s - kmalloc for klsi_105_private failed.\n",
-				__func__);
-			i--;
-			goto err_cleanup;
-		}
-		/* set initial values for control structures */
-		priv->cfg.pktlen    = 5;
-		priv->cfg.baudrate  = kl5kusb105a_sio_b9600;
-		priv->cfg.databits  = kl5kusb105a_dtb_8;
-		priv->cfg.unknown1  = 0;
-		priv->cfg.unknown2  = 1;
+	/* set initial values for control structures */
+	priv->cfg.pktlen    = 5;
+	priv->cfg.baudrate  = kl5kusb105a_sio_b9600;
+	priv->cfg.databits  = kl5kusb105a_dtb_8;
+	priv->cfg.unknown1  = 0;
+	priv->cfg.unknown2  = 1;
 
-		priv->line_state    = 0;
+	priv->line_state    = 0;
 
-		usb_set_serial_port_data(serial->port[i], priv);
+	spin_lock_init(&priv->lock);
 
-		spin_lock_init(&priv->lock);
+	/* priv->termios is left uninitialized until port opening */
 
-		/* priv->termios is left uninitialized until port opening */
-		init_waitqueue_head(&serial->port[i]->write_wait);
-	}
+	usb_set_serial_port_data(port, priv);
 
 	return 0;
-
-err_cleanup:
-	for (; i >= 0; i--) {
-		priv = usb_get_serial_port_data(serial->port[i]);
-		kfree(priv);
-		usb_set_serial_port_data(serial->port[i], NULL);
-	}
-	return -ENOMEM;
 }
 
-static void klsi_105_release(struct usb_serial *serial)
+static int klsi_105_port_remove(struct usb_serial_port *port)
 {
-	int i;
+	struct klsi_105_private *priv;
+
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
 
-	for (i = 0; i < serial->num_ports; ++i)
-		kfree(usb_get_serial_port_data(serial->port[i]));
+	return 0;
 }
 
 static int  klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port)
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 5c4d2fbd4e11..c9ca7a5b12e0 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -54,8 +54,8 @@
 
 
 /* Function prototypes */
-static int  kobil_startup(struct usb_serial *serial);
-static void kobil_release(struct usb_serial *serial);
+static int kobil_port_probe(struct usb_serial_port *probe);
+static int kobil_port_remove(struct usb_serial_port *probe);
 static int  kobil_open(struct tty_struct *tty, struct usb_serial_port *port);
 static void kobil_close(struct usb_serial_port *port);
 static int  kobil_write(struct tty_struct *tty, struct usb_serial_port *port,
@@ -89,8 +89,8 @@ static struct usb_serial_driver kobil_device = {
 	.description =		"KOBIL USB smart card terminal",
 	.id_table =		id_table,
 	.num_ports =		1,
-	.attach =		kobil_startup,
-	.release =		kobil_release,
+	.port_probe =		kobil_port_probe,
+	.port_remove =		kobil_port_remove,
 	.ioctl =		kobil_ioctl,
 	.set_termios =		kobil_set_termios,
 	.init_termios =		kobil_init_termios,
@@ -117,9 +117,10 @@ struct kobil_private {
 };
 
 
-static int kobil_startup(struct usb_serial *serial)
+static int kobil_port_probe(struct usb_serial_port *port)
 {
 	int i;
+	struct usb_serial *serial = port->serial;
 	struct kobil_private *priv;
 	struct usb_device *pdev;
 	struct usb_host_config *actconfig;
@@ -149,7 +150,7 @@ static int kobil_startup(struct usb_serial *serial)
 		dev_dbg(&serial->dev->dev, "KOBIL KAAN SIM detected\n");
 		break;
 	}
-	usb_set_serial_port_data(serial->port[0], priv);
+	usb_set_serial_port_data(port, priv);
 
 	/* search for the necessary endpoints */
 	pdev = serial->dev;
@@ -179,12 +180,14 @@ static int kobil_startup(struct usb_serial *serial)
 }
 
 
-static void kobil_release(struct usb_serial *serial)
+static int kobil_port_remove(struct usb_serial_port *port)
 {
-	int i;
+	struct kobil_private *priv;
 
-	for (i = 0; i < serial->num_ports; ++i)
-		kfree(usb_get_serial_port_data(serial->port[i]));
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
 static void kobil_init_termios(struct tty_struct *tty)
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 30cff03e9f01..54d4148d01d1 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -503,11 +503,19 @@ static const struct option_blacklist_info net_intf5_blacklist = {
 	.reserved = BIT(5),
 };
 
+static const struct option_blacklist_info net_intf6_blacklist = {
+	.reserved = BIT(6),
+};
+
 static const struct option_blacklist_info zte_mf626_blacklist = {
 	.sendsetup = BIT(0) | BIT(1),
 	.reserved = BIT(4),
 };
 
+static const struct option_blacklist_info zte_1255_blacklist = {
+	.reserved = BIT(3) | BIT(4),
+};
+
 static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
@@ -853,13 +861,19 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0113, 0xff, 0xff, 0xff),
 		.driver_info = (kernel_ulong_t)&net_intf5_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0117, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0118, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0121, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0118, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf5_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0121, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf5_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0122, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0123, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0124, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0125, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0126, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0123, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0124, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf5_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0125, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf6_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0126, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf5_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0128, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0142, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0143, 0xff, 0xff, 0xff) },
@@ -872,7 +886,8 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0156, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0157, 0xff, 0xff, 0xff),
 	  .driver_info = (kernel_ulong_t)&net_intf5_blacklist },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0158, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0158, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf3_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0159, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0161, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0162, 0xff, 0xff, 0xff) },
@@ -880,13 +895,22 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0165, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0167, 0xff, 0xff, 0xff),
 	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0191, 0xff, 0xff, 0xff), /* ZTE EuFi890 */
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0199, 0xff, 0xff, 0xff), /* ZTE MF820S */
+	  .driver_info = (kernel_ulong_t)&net_intf1_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0257, 0xff, 0xff, 0xff), /* ZTE MF821 */
+	  .driver_info = (kernel_ulong_t)&net_intf3_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0326, 0xff, 0xff, 0xff),
 	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 0xff),
 	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1010, 0xff, 0xff, 0xff),
 	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1012, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1012, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1021, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf2_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1057, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1058, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1059, 0xff, 0xff, 0xff) },
@@ -1002,18 +1026,24 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1169, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1170, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1244, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1245, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1245, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1246, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1247, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1247, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1248, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1249, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1250, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1251, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1252, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1252, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1253, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1254, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1255, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1256, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1254, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1255, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&zte_1255_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1256, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1257, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1258, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1259, 0xff, 0xff, 0xff) },
@@ -1058,8 +1088,16 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1298, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1299, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1300, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1401, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1402, 0xff, 0xff, 0xff),
 		.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1424, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1425, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1426, 0xff, 0xff, 0xff),  /* ZTE MF91 */
+		.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2002, 0xff,
 	  0xff, 0xff), .driver_info = (kernel_ulong_t)&zte_k3765_z_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2003, 0xff, 0xff, 0xff) },
@@ -1071,15 +1109,21 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0070, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0073, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0094, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0130, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0133, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0141, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0130, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf1_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0133, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf3_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0141, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf5_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0147, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0152, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0168, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0168, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0170, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0176, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0178, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0176, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf3_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0178, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf3_blacklist },
 
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710, 0xff, 0xff, 0xff) },
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 933241f03fd8..cee9a52ca891 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -137,8 +137,8 @@ static int oti6858_chars_in_buffer(struct tty_struct *tty);
 static int oti6858_tiocmget(struct tty_struct *tty);
 static int oti6858_tiocmset(struct tty_struct *tty,
 				unsigned int set, unsigned int clear);
-static int oti6858_startup(struct usb_serial *serial);
-static void oti6858_release(struct usb_serial *serial);
+static int oti6858_port_probe(struct usb_serial_port *port);
+static int oti6858_port_remove(struct usb_serial_port *port);
 
 /* device info */
 static struct usb_serial_driver oti6858_device = {
@@ -161,8 +161,8 @@ static struct usb_serial_driver oti6858_device = {
 	.write_bulk_callback =	oti6858_write_bulk_callback,
 	.write_room =		oti6858_write_room,
 	.chars_in_buffer =	oti6858_chars_in_buffer,
-	.attach =		oti6858_startup,
-	.release =		oti6858_release,
+	.port_probe =		oti6858_port_probe,
+	.port_remove =		oti6858_port_remove,
 };
 
 static struct usb_serial_driver * const serial_drivers[] = {
@@ -331,36 +331,33 @@ static void send_data(struct work_struct *work)
 	usb_serial_port_softint(port);
 }
 
-static int oti6858_startup(struct usb_serial *serial)
+static int oti6858_port_probe(struct usb_serial_port *port)
 {
-	struct usb_serial_port *port = serial->port[0];
 	struct oti6858_private *priv;
-	int i;
-
-	for (i = 0; i < serial->num_ports; ++i) {
-		priv = kzalloc(sizeof(struct oti6858_private), GFP_KERNEL);
-		if (!priv)
-			break;
-
-		spin_lock_init(&priv->lock);
-		init_waitqueue_head(&priv->intr_wait);
-/*		INIT_WORK(&priv->setup_work, setup_line, serial->port[i]); */
-/*		INIT_WORK(&priv->write_work, send_data, serial->port[i]); */
-		priv->port = port;
-		INIT_DELAYED_WORK(&priv->delayed_setup_work, setup_line);
-		INIT_DELAYED_WORK(&priv->delayed_write_work, send_data);
-
-		usb_set_serial_port_data(serial->port[i], priv);
-	}
-	if (i == serial->num_ports)
-		return 0;
 
-	for (--i; i >= 0; --i) {
-		priv = usb_get_serial_port_data(serial->port[i]);
-		kfree(priv);
-		usb_set_serial_port_data(serial->port[i], NULL);
-	}
-	return -ENOMEM;
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	spin_lock_init(&priv->lock);
+	init_waitqueue_head(&priv->intr_wait);
+	priv->port = port;
+	INIT_DELAYED_WORK(&priv->delayed_setup_work, setup_line);
+	INIT_DELAYED_WORK(&priv->delayed_write_work, send_data);
+
+	usb_set_serial_port_data(port, priv);
+
+	return 0;
+}
+
+static int oti6858_port_remove(struct usb_serial_port *port)
+{
+	struct oti6858_private *priv;
+
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
 static int oti6858_write(struct tty_struct *tty, struct usb_serial_port *port,
@@ -709,15 +706,6 @@ static int oti6858_ioctl(struct tty_struct *tty,
 	return -ENOIOCTLCMD;
 }
 
-
-static void oti6858_release(struct usb_serial *serial)
-{
-	int i;
-
-	for (i = 0; i < serial->num_ports; ++i)
-		kfree(usb_get_serial_port_data(serial->port[i]));
-}
-
 static void oti6858_read_int_callback(struct urb *urb)
 {
 	struct usb_serial_port *port =  urb->context;
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 892ebdc7a364..600241901361 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -133,12 +133,15 @@ enum pl2303_type {
 	HX,		/* HX version of the pl2303 chip */
 };
 
+struct pl2303_serial_private {
+	enum pl2303_type type;
+};
+
 struct pl2303_private {
 	spinlock_t lock;
 	wait_queue_head_t delta_msr_wait;
 	u8 line_control;
 	u8 line_status;
-	enum pl2303_type type;
 };
 
 static int pl2303_vendor_read(__u16 value, __u16 index,
@@ -167,14 +170,19 @@ static int pl2303_vendor_write(__u16 value, __u16 index,
 
 static int pl2303_startup(struct usb_serial *serial)
 {
-	struct pl2303_private *priv;
+	struct pl2303_serial_private *spriv;
 	enum pl2303_type type = type_0;
 	unsigned char *buf;
-	int i;
+
+	spriv = kzalloc(sizeof(*spriv), GFP_KERNEL);
+	if (!spriv)
+		return -ENOMEM;
 
 	buf = kmalloc(10, GFP_KERNEL);
-	if (buf == NULL)
+	if (!buf) {
+		kfree(spriv);
 		return -ENOMEM;
+	}
 
 	if (serial->dev->descriptor.bDeviceClass == 0x02)
 		type = type_0;
@@ -186,15 +194,8 @@ static int pl2303_startup(struct usb_serial *serial)
 		type = type_1;
 	dev_dbg(&serial->interface->dev, "device type: %d\n", type);
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		priv = kzalloc(sizeof(struct pl2303_private), GFP_KERNEL);
-		if (!priv)
-			goto cleanup;
-		spin_lock_init(&priv->lock);
-		init_waitqueue_head(&priv->delta_msr_wait);
-		priv->type = type;
-		usb_set_serial_port_data(serial->port[i], priv);
-	}
+	spriv->type = type;
+	usb_set_serial_data(serial, spriv);
 
 	pl2303_vendor_read(0x8484, 0, serial, buf);
 	pl2303_vendor_write(0x0404, 0, serial);
@@ -213,15 +214,40 @@ static int pl2303_startup(struct usb_serial *serial)
 
 	kfree(buf);
 	return 0;
+}
 
-cleanup:
-	kfree(buf);
-	for (--i; i >= 0; --i) {
-		priv = usb_get_serial_port_data(serial->port[i]);
-		kfree(priv);
-		usb_set_serial_port_data(serial->port[i], NULL);
-	}
-	return -ENOMEM;
+static void pl2303_release(struct usb_serial *serial)
+{
+	struct pl2303_serial_private *spriv;
+
+	spriv = usb_get_serial_data(serial);
+	kfree(spriv);
+}
+
+static int pl2303_port_probe(struct usb_serial_port *port)
+{
+	struct pl2303_private *priv;
+
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	spin_lock_init(&priv->lock);
+	init_waitqueue_head(&priv->delta_msr_wait);
+
+	usb_set_serial_port_data(port, priv);
+
+	return 0;
+}
+
+static int pl2303_port_remove(struct usb_serial_port *port)
+{
+	struct pl2303_private *priv;
+
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
 static int set_control_lines(struct usb_device *dev, u8 value)
@@ -240,6 +266,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
 		struct usb_serial_port *port, struct ktermios *old_termios)
 {
 	struct usb_serial *serial = port->serial;
+	struct pl2303_serial_private *spriv = usb_get_serial_data(serial);
 	struct pl2303_private *priv = usb_get_serial_port_data(port);
 	unsigned long flags;
 	unsigned int cflag;
@@ -323,7 +350,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
 		}
 		if (baud > 1228800) {
 			/* type_0, type_1 only support up to 1228800 baud */
-			if (priv->type != HX)
+			if (spriv->type != HX)
 				baud = 1228800;
 			else if (baud > 6000000)
 				baud = 6000000;
@@ -426,7 +453,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
 	     buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]);
 
 	if (cflag & CRTSCTS) {
-		if (priv->type == HX)
+		if (spriv->type == HX)
 			pl2303_vendor_write(0x0, 0x61, serial);
 		else
 			pl2303_vendor_write(0x0, 0x41, serial);
@@ -468,10 +495,10 @@ static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
 	struct ktermios tmp_termios;
 	struct usb_serial *serial = port->serial;
-	struct pl2303_private *priv = usb_get_serial_port_data(port);
+	struct pl2303_serial_private *spriv = usb_get_serial_data(serial);
 	int result;
 
-	if (priv->type != HX) {
+	if (spriv->type != HX) {
 		usb_clear_halt(serial->dev, port->write_urb->pipe);
 		usb_clear_halt(serial->dev, port->read_urb->pipe);
 	} else {
@@ -655,17 +682,6 @@ static void pl2303_break_ctl(struct tty_struct *tty, int break_state)
 		dev_err(&port->dev, "error sending break = %d\n", result);
 }
 
-static void pl2303_release(struct usb_serial *serial)
-{
-	int i;
-	struct pl2303_private *priv;
-
-	for (i = 0; i < serial->num_ports; ++i) {
-		priv = usb_get_serial_port_data(serial->port[i]);
-		kfree(priv);
-	}
-}
-
 static void pl2303_update_line_status(struct usb_serial_port *port,
 				      unsigned char *data,
 				      unsigned int actual_length)
@@ -827,6 +843,8 @@ static struct usb_serial_driver pl2303_device = {
 	.read_int_callback =	pl2303_read_int_callback,
 	.attach =		pl2303_startup,
 	.release =		pl2303_release,
+	.port_probe =		pl2303_port_probe,
+	.port_remove =		pl2303_port_remove,
 };
 
 static struct usb_serial_driver * const serial_drivers[] = {
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index 9716efe92955..769c137f8975 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -157,13 +157,10 @@ struct spcp8x5_private {
 	u8 			line_status;
 };
 
-/* desc : when device plug in,this function would be called.
- * thanks to usb_serial subsystem,then do almost every things for us. And what
- * we should do just alloc the buffer */
-static int spcp8x5_startup(struct usb_serial *serial)
+static int spcp8x5_port_probe(struct usb_serial_port *port)
 {
+	struct usb_serial *serial = port->serial;
 	struct spcp8x5_private *priv;
-	int i;
 	enum spcp8x5_type type = SPCP825_007_TYPE;
 	u16 product = le16_to_cpu(serial->dev->descriptor.idProduct);
 
@@ -180,34 +177,27 @@ static int spcp8x5_startup(struct usb_serial *serial)
 		type = SPCP825_PHILIP_TYPE;
 	dev_dbg(&serial->dev->dev, "device type = %d\n", (int)type);
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		priv = kzalloc(sizeof(struct spcp8x5_private), GFP_KERNEL);
-		if (!priv)
-			goto cleanup;
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
 
-		spin_lock_init(&priv->lock);
-		init_waitqueue_head(&priv->delta_msr_wait);
-		priv->type = type;
-		usb_set_serial_port_data(serial->port[i] , priv);
-	}
+	spin_lock_init(&priv->lock);
+	init_waitqueue_head(&priv->delta_msr_wait);
+	priv->type = type;
+
+	usb_set_serial_port_data(port , priv);
 
 	return 0;
-cleanup:
-	for (--i; i >= 0; --i) {
-		priv = usb_get_serial_port_data(serial->port[i]);
-		kfree(priv);
-		usb_set_serial_port_data(serial->port[i] , NULL);
-	}
-	return -ENOMEM;
 }
 
-/* call when the device plug out. free all the memory alloced by probe */
-static void spcp8x5_release(struct usb_serial *serial)
+static int spcp8x5_port_remove(struct usb_serial_port *port)
 {
-	int i;
+	struct spcp8x5_private *priv;
 
-	for (i = 0; i < serial->num_ports; i++)
-		kfree(usb_get_serial_port_data(serial->port[i]));
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
 /* set the modem control line of the device.
@@ -649,8 +639,8 @@ static struct usb_serial_driver spcp8x5_device = {
 	.ioctl 			= spcp8x5_ioctl,
 	.tiocmget 		= spcp8x5_tiocmget,
 	.tiocmset 		= spcp8x5_tiocmset,
-	.attach 		= spcp8x5_startup,
-	.release 		= spcp8x5_release,
+	.port_probe		= spcp8x5_port_probe,
+	.port_remove		= spcp8x5_port_remove,
 	.process_read_urb	= spcp8x5_process_read_urb,
 };
 
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index 015810b3785b..868d1e6852e2 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -67,13 +67,6 @@ struct ssu100_port_private {
 	struct async_icount icount;
 };
 
-static void ssu100_release(struct usb_serial *serial)
-{
-	struct ssu100_port_private *priv = usb_get_serial_port_data(*serial->port);
-
-	kfree(priv);
-}
-
 static inline int ssu100_control_msg(struct usb_device *dev,
 				     u8 request, u16 data, u16 index)
 {
@@ -442,21 +435,33 @@ static int ssu100_ioctl(struct tty_struct *tty,
 
 static int ssu100_attach(struct usb_serial *serial)
 {
+	return ssu100_initdevice(serial->dev);
+}
+
+static int ssu100_port_probe(struct usb_serial_port *port)
+{
 	struct ssu100_port_private *priv;
-	struct usb_serial_port *port = *serial->port;
 
 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
-	if (!priv) {
-		dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
-			sizeof(*priv));
+	if (!priv)
 		return -ENOMEM;
-	}
 
 	spin_lock_init(&priv->status_lock);
 	init_waitqueue_head(&priv->delta_msr_wait);
+
 	usb_set_serial_port_data(port, priv);
 
-	return ssu100_initdevice(serial->dev);
+	return 0;
+}
+
+static int ssu100_port_remove(struct usb_serial_port *port)
+{
+	struct ssu100_port_private *priv;
+
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
 static int ssu100_tiocmget(struct tty_struct *tty)
@@ -647,7 +652,8 @@ static struct usb_serial_driver ssu100_device = {
 	.open		     = ssu100_open,
 	.close		     = ssu100_close,
 	.attach              = ssu100_attach,
-	.release             = ssu100_release,
+	.port_probe          = ssu100_port_probe,
+	.port_remove         = ssu100_port_remove,
 	.dtr_rts             = ssu100_dtr_rts,
 	.process_read_urb    = ssu100_process_read_urb,
 	.tiocmget            = ssu100_tiocmget,
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 6f49392cda5b..f2530d2ef3c4 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -97,6 +97,8 @@ struct ti_device {
 
 static int ti_startup(struct usb_serial *serial);
 static void ti_release(struct usb_serial *serial);
+static int ti_port_probe(struct usb_serial_port *port);
+static int ti_port_remove(struct usb_serial_port *port);
 static int ti_open(struct tty_struct *tty, struct usb_serial_port *port);
 static void ti_close(struct usb_serial_port *port);
 static int ti_write(struct tty_struct *tty, struct usb_serial_port *port,
@@ -221,6 +223,8 @@ static struct usb_serial_driver ti_1port_device = {
 	.num_ports		= 1,
 	.attach			= ti_startup,
 	.release		= ti_release,
+	.port_probe		= ti_port_probe,
+	.port_remove		= ti_port_remove,
 	.open			= ti_open,
 	.close			= ti_close,
 	.write			= ti_write,
@@ -249,6 +253,8 @@ static struct usb_serial_driver ti_2port_device = {
 	.num_ports		= 2,
 	.attach			= ti_startup,
 	.release		= ti_release,
+	.port_probe		= ti_port_probe,
+	.port_remove		= ti_port_remove,
 	.open			= ti_open,
 	.close			= ti_close,
 	.write			= ti_write,
@@ -347,11 +353,8 @@ module_exit(ti_exit);
 static int ti_startup(struct usb_serial *serial)
 {
 	struct ti_device *tdev;
-	struct ti_port *tport;
 	struct usb_device *dev = serial->dev;
 	int status;
-	int i;
-
 
 	dev_dbg(&dev->dev,
 		"%s - product 0x%4X, num configurations %d, configuration value %d",
@@ -399,42 +402,8 @@ static int ti_startup(struct usb_serial *serial)
 		goto free_tdev;
 	}
 
-	/* set up port structures */
-	for (i = 0; i < serial->num_ports; ++i) {
-		tport = kzalloc(sizeof(struct ti_port), GFP_KERNEL);
-		if (tport == NULL) {
-			dev_err(&dev->dev, "%s - out of memory\n", __func__);
-			status = -ENOMEM;
-			goto free_tports;
-		}
-		spin_lock_init(&tport->tp_lock);
-		tport->tp_uart_base_addr = (i == 0 ?
-				TI_UART1_BASE_ADDR : TI_UART2_BASE_ADDR);
-		tport->tp_closing_wait = closing_wait;
-		init_waitqueue_head(&tport->tp_msr_wait);
-		init_waitqueue_head(&tport->tp_write_wait);
-		if (kfifo_alloc(&tport->write_fifo, TI_WRITE_BUF_SIZE,
-								GFP_KERNEL)) {
-			dev_err(&dev->dev, "%s - out of memory\n", __func__);
-			kfree(tport);
-			status = -ENOMEM;
-			goto free_tports;
-		}
-		tport->tp_port = serial->port[i];
-		tport->tp_tdev = tdev;
-		usb_set_serial_port_data(serial->port[i], tport);
-		tport->tp_uart_mode = 0;	/* default is RS232 */
-	}
-
 	return 0;
 
-free_tports:
-	for (--i; i >= 0; --i) {
-		tport = usb_get_serial_port_data(serial->port[i]);
-		kfifo_free(&tport->write_fifo);
-		kfree(tport);
-		usb_set_serial_port_data(serial->port[i], NULL);
-	}
 free_tdev:
 	kfree(tdev);
 	usb_set_serial_data(serial, NULL);
@@ -444,21 +413,50 @@ free_tdev:
 
 static void ti_release(struct usb_serial *serial)
 {
-	int i;
 	struct ti_device *tdev = usb_get_serial_data(serial);
+
+	kfree(tdev);
+}
+
+static int ti_port_probe(struct usb_serial_port *port)
+{
 	struct ti_port *tport;
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		tport = usb_get_serial_port_data(serial->port[i]);
-		if (tport) {
-			kfifo_free(&tport->write_fifo);
-			kfree(tport);
-		}
+	tport = kzalloc(sizeof(*tport), GFP_KERNEL);
+	if (!tport)
+		return -ENOMEM;
+
+	spin_lock_init(&tport->tp_lock);
+	if (port == port->serial->port[0])
+		tport->tp_uart_base_addr = TI_UART1_BASE_ADDR;
+	else
+		tport->tp_uart_base_addr = TI_UART2_BASE_ADDR;
+	tport->tp_closing_wait = closing_wait;
+	init_waitqueue_head(&tport->tp_msr_wait);
+	init_waitqueue_head(&tport->tp_write_wait);
+	if (kfifo_alloc(&tport->write_fifo, TI_WRITE_BUF_SIZE, GFP_KERNEL)) {
+		kfree(tport);
+		return -ENOMEM;
 	}
+	tport->tp_port = port;
+	tport->tp_tdev = usb_get_serial_data(port->serial);
+	tport->tp_uart_mode = 0;	/* default is RS232 */
 
-	kfree(tdev);
+	usb_set_serial_port_data(port, tport);
+
+	return 0;
 }
 
+static int ti_port_remove(struct usb_serial_port *port)
+{
+	struct ti_port *tport;
+
+	tport = usb_get_serial_port_data(port);
+	kfifo_free(&tport->write_fifo);
+	kfree(tport);
+
+	return 0;
+}
 
 static int ti_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
diff --git a/drivers/video/backlight/lm3639_bl.c b/drivers/video/backlight/lm3639_bl.c
index c6915c6c3cd1..585949b57055 100644
--- a/drivers/video/backlight/lm3639_bl.c
+++ b/drivers/video/backlight/lm3639_bl.c
@@ -206,11 +206,11 @@ static ssize_t lm3639_bled_mode_store(struct device *dev,
 
 out:
 	dev_err(pchip->dev, "%s:i2c access fail to register\n", __func__);
-	return size;
+	return ret;
 
 out_input:
 	dev_err(pchip->dev, "%s:input conversion fail\n", __func__);
-	return size;
+	return ret;
 
 }
 
diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
index 48220e129f85..f5dda83ad7a5 100644
--- a/drivers/xen/xenbus/xenbus_xs.c
+++ b/drivers/xen/xenbus/xenbus_xs.c
@@ -625,7 +625,7 @@ static struct xenbus_watch *find_watch(const char *token)
  * so if we are running on anything older than 4 do not attempt to read
  * control/platform-feature-xs_reset_watches.
  */
-static bool xen_strict_xenbus_quirk()
+static bool xen_strict_xenbus_quirk(void)
 {
 	uint32_t eax, ebx, ecx, edx, base;
author	Takashi Iwai <tiwai@suse.de>	2012-10-25 23:20:36 +0400
committer	Takashi Iwai <tiwai@suse.de>	2012-10-25 23:20:36 +0400
commit	c64064ce9376a404e0888ca4a2985c8a4c16cec3 (patch)
tree	f34d3b84ca970fdb381dad9a195c1367ce5d10f4 /drivers
parent	21b3de881b38a84002c07b1b4bfb91892644e83f (diff)
parent	456ba5a7802e58eccb5aa9751b3ab515ef99b9ca (diff)
download	linux-c64064ce9376a404e0888ca4a2985c8a4c16cec3.tar.xz