46 files changed, 371 insertions, 159 deletions

diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index fc2de5528dcc..b00000e8aef6 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -67,6 +67,7 @@ static struct usb_device_id ath3k_table[] = {
         { USB_DEVICE(0x13d3, 0x3304) },
         { USB_DEVICE(0x0930, 0x0215) },
         { USB_DEVICE(0x0489, 0xE03D) },
+        { USB_DEVICE(0x0489, 0xE027) },
 
         /* Atheros AR9285 Malbec with sflash firmware */
         { USB_DEVICE(0x03F0, 0x311D) },
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index debda27df9b0..ee82f2fb65f0 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -124,6 +124,7 @@ static struct usb_device_id blacklist_table[] = {
         { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
         { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
         { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
+        { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
 
         /* Atheros AR9285 Malbec with sflash firmware */
         { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
diff --git a/drivers/bus/omap-ocp2scp.c b/drivers/bus/omap-ocp2scp.c
index ff63560b8467..0c48b0e05ed6 100644
--- a/drivers/bus/omap-ocp2scp.c
+++ b/drivers/bus/omap-ocp2scp.c
@@ -22,6 +22,26 @@
 #include <linux/pm_runtime.h>
 #include <linux/of.h>
 #include <linux/of_platform.h>
+#include <linux/platform_data/omap_ocp2scp.h>
+
+/**
+ * _count_resources - count for the number of resources
+ * @res: struct resource *
+ *
+ * Count and return the number of resources populated for the device that is
+ * connected to ocp2scp.
+ */
+static unsigned _count_resources(struct resource *res)
+{
+        int cnt = 0;
+
+        while (res->start != res->end) {
+                cnt++;
+                res++;
+        }
+
+        return cnt;
+}
 
 static int ocp2scp_remove_devices(struct device *dev, void *c)
 {
@@ -34,20 +54,62 @@ static int ocp2scp_remove_devices(struct device *dev, void *c)
 
 static int __devinit omap_ocp2scp_probe(struct platform_device *pdev)
 {
-        int                     ret;
-        struct device_node      *np = pdev->dev.of_node;
+        int ret;
+        unsigned res_cnt, i;
+        struct device_node *np = pdev->dev.of_node;
+        struct platform_device *pdev_child;
+        struct omap_ocp2scp_platform_data *pdata = pdev->dev.platform_data;
+        struct omap_ocp2scp_dev *dev;
 
         if (np) {
                 ret = of_platform_populate(np, NULL, NULL, &pdev->dev);
                 if (ret) {
-                        dev_err(&pdev->dev, "failed to add resources for ocp2scp child\n");
+                        dev_err(&pdev->dev,
+                            "failed to add resources for ocp2scp child\n");
                         goto err0;
                 }
+        } else if (pdata) {
+                for (i = 0, dev = *pdata->devices; i < pdata->dev_cnt; i++,
+                    dev++) {
+                        res_cnt = _count_resources(dev->res);
+
+                        pdev_child = platform_device_alloc(dev->drv_name,
+                            PLATFORM_DEVID_AUTO);
+                        if (!pdev_child) {
+                                dev_err(&pdev->dev,
+                                  "failed to allocate mem for ocp2scp child\n");
+                                goto err0;
+                        }
+
+                        ret = platform_device_add_resources(pdev_child,
+                            dev->res, res_cnt);
+                        if (ret) {
+                                dev_err(&pdev->dev,
+                                 "failed to add resources for ocp2scp child\n");
+                                goto err1;
+                        }
+
+                        pdev_child->dev.parent  = &pdev->dev;
+
+                        ret = platform_device_add(pdev_child);
+                        if (ret) {
+                                dev_err(&pdev->dev,
+                                   "failed to register ocp2scp child device\n");
+                                goto err1;
+                        }
+                }
+        } else {
+                dev_err(&pdev->dev, "OCP2SCP initialized without plat data\n");
+                return -EINVAL;
         }
+
         pm_runtime_enable(&pdev->dev);
 
         return 0;
 
+err1:
+        platform_device_put(pdev_child);
+
 err0:
         device_for_each_child(&pdev->dev, NULL, ocp2scp_remove_devices);
 
diff --git a/drivers/clk/ux500/u8500_clk.c b/drivers/clk/ux500/u8500_clk.c
index ca4a25ed844c..e2c17d187d98 100644
--- a/drivers/clk/ux500/u8500_clk.c
+++ b/drivers/clk/ux500/u8500_clk.c
@@ -40,7 +40,7 @@ void u8500_clk_init(void)
                                 CLK_IS_ROOT|CLK_IGNORE_UNUSED,
                                 32768);
         clk_register_clkdev(clk, "clk32k", NULL);
-        clk_register_clkdev(clk, NULL, "rtc-pl031");
+        clk_register_clkdev(clk, "apb_pclk", "rtc-pl031");
 
         /* PRCMU clocks */
         fw_version = prcmu_get_fw_version();
@@ -228,10 +228,17 @@ void u8500_clk_init(void)
 
         clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", U8500_CLKRST1_BASE,
                                 BIT(2), 0);
+        clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.1");
+
         clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", U8500_CLKRST1_BASE,
                                 BIT(3), 0);
+        clk_register_clkdev(clk, "apb_pclk", "msp0");
+        clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.0");
+
         clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", U8500_CLKRST1_BASE,
                                 BIT(4), 0);
+        clk_register_clkdev(clk, "apb_pclk", "msp1");
+        clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.1");
 
         clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", U8500_CLKRST1_BASE,
                                 BIT(5), 0);
@@ -239,6 +246,7 @@ void u8500_clk_init(void)
 
         clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", U8500_CLKRST1_BASE,
                                 BIT(6), 0);
+        clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.2");
 
         clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", U8500_CLKRST1_BASE,
                                 BIT(7), 0);
@@ -246,6 +254,7 @@ void u8500_clk_init(void)
 
         clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", U8500_CLKRST1_BASE,
                                 BIT(8), 0);
+        clk_register_clkdev(clk, "apb_pclk", "slimbus0");
 
         clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", U8500_CLKRST1_BASE,
                                 BIT(9), 0);
@@ -255,11 +264,16 @@ void u8500_clk_init(void)
 
         clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", U8500_CLKRST1_BASE,
                                 BIT(10), 0);
+        clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.4");
+
         clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", U8500_CLKRST1_BASE,
                                 BIT(11), 0);
+        clk_register_clkdev(clk, "apb_pclk", "msp3");
+        clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.3");
 
         clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", U8500_CLKRST2_BASE,
                                 BIT(0), 0);
+        clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.3");
 
         clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", U8500_CLKRST2_BASE,
                                 BIT(1), 0);
@@ -279,12 +293,13 @@ void u8500_clk_init(void)
 
         clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", U8500_CLKRST2_BASE,
                                 BIT(5), 0);
+        clk_register_clkdev(clk, "apb_pclk", "msp2");
+        clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.2");
 
         clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", U8500_CLKRST2_BASE,
                                 BIT(6), 0);
         clk_register_clkdev(clk, "apb_pclk", "sdi1");
 
-
         clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", U8500_CLKRST2_BASE,
                                 BIT(7), 0);
         clk_register_clkdev(clk, "apb_pclk", "sdi3");
@@ -316,10 +331,15 @@ void u8500_clk_init(void)
 
         clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", U8500_CLKRST3_BASE,
                                 BIT(1), 0);
+        clk_register_clkdev(clk, "apb_pclk", "ssp0");
+
         clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", U8500_CLKRST3_BASE,
                                 BIT(2), 0);
+        clk_register_clkdev(clk, "apb_pclk", "ssp1");
+
         clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", U8500_CLKRST3_BASE,
                                 BIT(3), 0);
+        clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.0");
 
         clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", U8500_CLKRST3_BASE,
                                 BIT(4), 0);
@@ -401,10 +421,17 @@ void u8500_clk_init(void)
 
         clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk",
                         U8500_CLKRST1_BASE, BIT(2), CLK_SET_RATE_GATE);
+        clk_register_clkdev(clk, NULL, "nmk-i2c.1");
+
         clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk",
                         U8500_CLKRST1_BASE, BIT(3), CLK_SET_RATE_GATE);
+        clk_register_clkdev(clk, NULL, "msp0");
+        clk_register_clkdev(clk, NULL, "ux500-msp-i2s.0");
+
         clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk",
                         U8500_CLKRST1_BASE, BIT(4), CLK_SET_RATE_GATE);
+        clk_register_clkdev(clk, NULL, "msp1");
+        clk_register_clkdev(clk, NULL, "ux500-msp-i2s.1");
 
         clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmcclk",
                         U8500_CLKRST1_BASE, BIT(5), CLK_SET_RATE_GATE);
@@ -412,17 +439,25 @@ void u8500_clk_init(void)
 
         clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk",
                         U8500_CLKRST1_BASE, BIT(6), CLK_SET_RATE_GATE);
+        clk_register_clkdev(clk, NULL, "nmk-i2c.2");
+
         clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk",
-                        U8500_CLKRST1_BASE, BIT(3), CLK_SET_RATE_GATE);
-        /* FIXME: Redefinition of BIT(3). */
+                        U8500_CLKRST1_BASE, BIT(8), CLK_SET_RATE_GATE);
+        clk_register_clkdev(clk, NULL, "slimbus0");
+
         clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk",
                         U8500_CLKRST1_BASE, BIT(9), CLK_SET_RATE_GATE);
+        clk_register_clkdev(clk, NULL, "nmk-i2c.4");
+
         clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk",
                         U8500_CLKRST1_BASE, BIT(10), CLK_SET_RATE_GATE);
+        clk_register_clkdev(clk, NULL, "msp3");
+        clk_register_clkdev(clk, NULL, "ux500-msp-i2s.3");
 
         /* Periph2 */
         clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk",
                         U8500_CLKRST2_BASE, BIT(0), CLK_SET_RATE_GATE);
+        clk_register_clkdev(clk, NULL, "nmk-i2c.3");
 
         clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmcclk",
                         U8500_CLKRST2_BASE, BIT(2), CLK_SET_RATE_GATE);
@@ -430,6 +465,8 @@ void u8500_clk_init(void)
 
         clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk",
                         U8500_CLKRST2_BASE, BIT(3), CLK_SET_RATE_GATE);
+        clk_register_clkdev(clk, NULL, "msp2");
+        clk_register_clkdev(clk, NULL, "ux500-msp-i2s.2");
 
         clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmcclk",
                         U8500_CLKRST2_BASE, BIT(4), CLK_SET_RATE_GATE);
@@ -450,10 +487,15 @@ void u8500_clk_init(void)
         /* Periph3 */
         clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk",
                         U8500_CLKRST3_BASE, BIT(1), CLK_SET_RATE_GATE);
+        clk_register_clkdev(clk, NULL, "ssp0");
+
         clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk",
                         U8500_CLKRST3_BASE, BIT(2), CLK_SET_RATE_GATE);
+        clk_register_clkdev(clk, NULL, "ssp1");
+
         clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk",
                         U8500_CLKRST3_BASE, BIT(3), CLK_SET_RATE_GATE);
+        clk_register_clkdev(clk, NULL, "nmk-i2c.0");
 
         clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmcclk",
                         U8500_CLKRST3_BASE, BIT(4), CLK_SET_RATE_GATE);
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index b726b478a4f5..6345878ae1e7 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -143,7 +143,7 @@ static void intel_crt_dpms(struct drm_connector *connector, int mode)
         int old_dpms;
 
         /* PCH platforms and VLV only support on/off. */
-        if (INTEL_INFO(dev)->gen < 5 && mode != DRM_MODE_DPMS_ON)
+        if (INTEL_INFO(dev)->gen >= 5 && mode != DRM_MODE_DPMS_ON)
                 mode = DRM_MODE_DPMS_OFF;
 
         if (mode == connector->dpms)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 461a637f1ef7..4154bcd7a070 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3841,6 +3841,17 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
                         }
                 }
 
+                if (intel_encoder->type == INTEL_OUTPUT_EDP) {
+                        /* Use VBT settings if we have an eDP panel */
+                        unsigned int edp_bpc = dev_priv->edp.bpp / 3;
+
+                        if (edp_bpc < display_bpc) {
+                                DRM_DEBUG_KMS("clamping display bpc (was %d) to eDP (%d)\n", display_bpc, edp_bpc);
+                                display_bpc = edp_bpc;
+                        }
+                        continue;
+                }
+
                 /*
                  * HDMI is either 12 or 8, so if the display lets 10bpc sneak
                  * through, clamp it down.  (Note: >12bpc will be caught below.)
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 79d308da29ff..c600fb06e25e 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -2382,6 +2382,18 @@ intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
         return true;
 }
 
+static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo)
+{
+        struct drm_device *dev = intel_sdvo->base.base.dev;
+        struct drm_connector *connector, *tmp;
+
+        list_for_each_entry_safe(connector, tmp,
+                                 &dev->mode_config.connector_list, head) {
+                if (intel_attached_encoder(connector) == &intel_sdvo->base)
+                        intel_sdvo_destroy(connector);
+        }
+}
+
 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
                                           struct intel_sdvo_connector *intel_sdvo_connector,
                                           int type)
@@ -2705,7 +2717,8 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
                                     intel_sdvo->caps.output_flags) != true) {
                 DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
                               SDVO_NAME(intel_sdvo));
-                goto err;
+                /* Output_setup can leave behind connectors! */
+                goto err_output;
         }
 
         /* Only enable the hotplug irq if we need it, to work around noisy
@@ -2718,12 +2731,12 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
 
         /* Set the input timing to the screen. Assume always input 0. */
         if (!intel_sdvo_set_target_input(intel_sdvo))
-                goto err;
+                goto err_output;
 
         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
                                                     &intel_sdvo->pixel_clock_min,
                                                     &intel_sdvo->pixel_clock_max))
-                goto err;
+                goto err_output;
 
         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
                         "clock range %dMHz - %dMHz, "
@@ -2743,6 +2756,9 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
         return true;
 
+err_output:
+        intel_sdvo_output_cleanup(intel_sdvo);
+
 err:
         drm_encoder_cleanup(&intel_encoder->base);
         i2c_del_adapter(&intel_sdvo->ddc);
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index ba498f8e47a2..010bae19554a 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -1625,7 +1625,7 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode)
                         atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_SETUP, 0, 0);
                         atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
                         /* some early dce3.2 boards have a bug in their transmitter control table */
-                        if ((rdev->family != CHIP_RV710) || (rdev->family != CHIP_RV730))
+                        if ((rdev->family != CHIP_RV710) && (rdev->family != CHIP_RV730))
                                 atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0);
                 }
                 if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector) {
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index 860dc4813e99..bd2a3b40cd12 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -749,7 +749,10 @@ static int ttm_get_pages(struct page **pages, unsigned npages, int flags,
         /* clear the pages coming from the pool if requested */
         if (flags & TTM_PAGE_FLAG_ZERO_ALLOC) {
                 list_for_each_entry(p, &plist, lru) {
-                        clear_page(page_address(p));
+                        if (PageHighMem(p))
+                                clear_highpage(p);
+                        else
+                                clear_page(page_address(p));
                 }
         }
 
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index bf8260133ea9..7d759a430294 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -308,9 +308,7 @@ int ttm_tt_swapin(struct ttm_tt *ttm)
                 if (unlikely(to_page == NULL))
                         goto out_err;
 
-                preempt_disable();
                 copy_highpage(to_page, from_page);
-                preempt_enable();
                 page_cache_release(from_page);
         }
 
@@ -358,9 +356,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage)
                         ret = PTR_ERR(to_page);
                         goto out_err;
                 }
-                preempt_disable();
                 copy_highpage(to_page, from_page);
-                preempt_enable();
                 set_page_dirty(to_page);
                 mark_page_accessed(to_page);
                 page_cache_release(to_page);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index b07ca2e4d04b..7290811f89be 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -110,6 +110,8 @@ int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
         memcpy_fromio(bounce, &fifo_mem[SVGA_FIFO_3D_CAPS], size);
 
         ret = copy_to_user(buffer, bounce, size);
+        if (ret)
+                ret = -EFAULT;
         vfree(bounce);
 
         if (unlikely(ret != 0))
diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c
index f676c01bb471..6fcd466d0825 100644
--- a/drivers/hid/hid-microsoft.c
+++ b/drivers/hid/hid-microsoft.c
@@ -46,9 +46,9 @@ static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc,
                 rdesc[559] = 0x45;
         }
         /* the same as above (s/usage/physical/) */
-        if ((quirks & MS_RDESC_3K) && *rsize == 106 &&
-                        !memcmp((char []){ 0x19, 0x00, 0x29, 0xff },
-                                &rdesc[94], 4)) {
+        if ((quirks & MS_RDESC_3K) && *rsize == 106 && rdesc[94] == 0x19 &&
+                        rdesc[95] == 0x00 && rdesc[96] == 0x29 &&
+                        rdesc[97] == 0xff) {
                 rdesc[94] = 0x35;
                 rdesc[96] = 0x45;
         }
diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c
index 5f097f309b9f..7fa5b24b16db 100644
--- a/drivers/i2c/muxes/i2c-mux-pinctrl.c
+++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c
@@ -169,7 +169,7 @@ static int __devinit i2c_mux_pinctrl_probe(struct platform_device *pdev)
         mux->busses = devm_kzalloc(&pdev->dev,
                                    sizeof(mux->busses) * mux->pdata->bus_count,
                                    GFP_KERNEL);
-        if (!mux->states) {
+        if (!mux->busses) {
                 dev_err(&pdev->dev, "Cannot allocate busses\n");
                 ret = -ENOMEM;
                 goto err;
diff --git a/drivers/irqchip/irq-bcm2835.c b/drivers/irqchip/irq-bcm2835.c
index dc670ccc6978..16c78f1c5ef2 100644
--- a/drivers/irqchip/irq-bcm2835.c
+++ b/drivers/irqchip/irq-bcm2835.c
@@ -168,7 +168,8 @@ static int __init armctrl_of_init(struct device_node *node,
 }
 
 static struct of_device_id irq_of_match[] __initconst = {
-        { .compatible = "brcm,bcm2835-armctrl-ic", .data = armctrl_of_init }
+        { .compatible = "brcm,bcm2835-armctrl-ic", .data = armctrl_of_init },
+        { }
 };
 
 void __init bcm2835_init_irq(void)
diff --git a/drivers/leds/ledtrig-cpu.c b/drivers/leds/ledtrig-cpu.c
index b312056da14d..4239b3955ff0 100644
--- a/drivers/leds/ledtrig-cpu.c
+++ b/drivers/leds/ledtrig-cpu.c
@@ -33,8 +33,6 @@
 struct led_trigger_cpu {
         char name[MAX_NAME_LEN];
         struct led_trigger *_trig;
-        struct mutex lock;
-        int lock_is_inited;
 };
 
 static DEFINE_PER_CPU(struct led_trigger_cpu, cpu_trig);
@@ -50,12 +48,6 @@ void ledtrig_cpu(enum cpu_led_event ledevt)
 {
         struct led_trigger_cpu *trig = &__get_cpu_var(cpu_trig);
 
-        /* mutex lock should be initialized before calling mutex_call() */
-        if (!trig->lock_is_inited)
-                return;
-
-        mutex_lock(&trig->lock);
-
         /* Locate the correct CPU LED */
         switch (ledevt) {
         case CPU_LED_IDLE_END:
@@ -75,8 +67,6 @@ void ledtrig_cpu(enum cpu_led_event ledevt)
                 /* Will leave the LED as it is */
                 break;
         }
-
-        mutex_unlock(&trig->lock);
 }
 EXPORT_SYMBOL(ledtrig_cpu);
 
@@ -117,14 +107,9 @@ static int __init ledtrig_cpu_init(void)
         for_each_possible_cpu(cpu) {
                 struct led_trigger_cpu *trig = &per_cpu(cpu_trig, cpu);
 
-                mutex_init(&trig->lock);
-
                 snprintf(trig->name, MAX_NAME_LEN, "cpu%d", cpu);
 
-                mutex_lock(&trig->lock);
                 led_trigger_register_simple(trig->name, &trig->_trig);
-                trig->lock_is_inited = 1;
-                mutex_unlock(&trig->lock);
         }
 
         register_syscore_ops(&ledtrig_cpu_syscore_ops);
@@ -142,15 +127,9 @@ static void __exit ledtrig_cpu_exit(void)
         for_each_possible_cpu(cpu) {
                 struct led_trigger_cpu *trig = &per_cpu(cpu_trig, cpu);
 
-                mutex_lock(&trig->lock);
-
                 led_trigger_unregister_simple(trig->_trig);
                 trig->_trig = NULL;
                 memset(trig->name, 0, MAX_NAME_LEN);
-                trig->lock_is_inited = 0;
-
-                mutex_unlock(&trig->lock);
-                mutex_destroy(&trig->lock);
         }
 
         unregister_syscore_ops(&ledtrig_cpu_syscore_ops);
diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index 92317e9c0f73..60ac46f4ac08 100644
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -1860,10 +1860,14 @@ jme_open(struct net_device *netdev)
         jme_clear_pm(jme);
         JME_NAPI_ENABLE(jme);
 
-        tasklet_enable(&jme->linkch_task);
-        tasklet_enable(&jme->txclean_task);
-        tasklet_hi_enable(&jme->rxclean_task);
-        tasklet_hi_enable(&jme->rxempty_task);
+        tasklet_init(&jme->linkch_task, jme_link_change_tasklet,
+                     (unsigned long) jme);
+        tasklet_init(&jme->txclean_task, jme_tx_clean_tasklet,
+                     (unsigned long) jme);
+        tasklet_init(&jme->rxclean_task, jme_rx_clean_tasklet,
+                     (unsigned long) jme);
+        tasklet_init(&jme->rxempty_task, jme_rx_empty_tasklet,
+                     (unsigned long) jme);
 
         rc = jme_request_irq(jme);
         if (rc)
@@ -3079,22 +3083,6 @@ jme_init_one(struct pci_dev *pdev,
         tasklet_init(&jme->pcc_task,
                      jme_pcc_tasklet,
                      (unsigned long) jme);
-        tasklet_init(&jme->linkch_task,
-                     jme_link_change_tasklet,
-                     (unsigned long) jme);
-        tasklet_init(&jme->txclean_task,
-                     jme_tx_clean_tasklet,
-                     (unsigned long) jme);
-        tasklet_init(&jme->rxclean_task,
-                     jme_rx_clean_tasklet,
-                     (unsigned long) jme);
-        tasklet_init(&jme->rxempty_task,
-                     jme_rx_empty_tasklet,
-                     (unsigned long) jme);
-        tasklet_disable_nosync(&jme->linkch_task);
-        tasklet_disable_nosync(&jme->txclean_task);
-        tasklet_disable_nosync(&jme->rxclean_task);
-        tasklet_disable_nosync(&jme->rxempty_task);
         jme->dpi.cur = PCC_P1;
 
         jme->reg_ghc = 0;
diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c
index e558edd1cb6c..69e01977a1dd 100644
--- a/drivers/net/ethernet/micrel/ksz884x.c
+++ b/drivers/net/ethernet/micrel/ksz884x.c
@@ -5459,8 +5459,10 @@ static int prepare_hardware(struct net_device *dev)
         rc = request_irq(dev->irq, netdev_intr, IRQF_SHARED, dev->name, dev);
         if (rc)
                 return rc;
-        tasklet_enable(&hw_priv->rx_tasklet);
-        tasklet_enable(&hw_priv->tx_tasklet);
+        tasklet_init(&hw_priv->rx_tasklet, rx_proc_task,
+                     (unsigned long) hw_priv);
+        tasklet_init(&hw_priv->tx_tasklet, tx_proc_task,
+                     (unsigned long) hw_priv);
 
         hw->promiscuous = 0;
         hw->all_multi = 0;
@@ -7033,16 +7035,6 @@ static int __devinit pcidev_init(struct pci_dev *pdev,
         spin_lock_init(&hw_priv->hwlock);
         mutex_init(&hw_priv->lock);
 
-        /* tasklet is enabled. */
-        tasklet_init(&hw_priv->rx_tasklet, rx_proc_task,
-                (unsigned long) hw_priv);
-        tasklet_init(&hw_priv->tx_tasklet, tx_proc_task,
-                (unsigned long) hw_priv);
-
-        /* tasklet_enable will decrement the atomic counter. */
-        tasklet_disable(&hw_priv->rx_tasklet);
-        tasklet_disable(&hw_priv->tx_tasklet);
-
         for (i = 0; i < TOTAL_PORT_NUM; i++)
                 init_waitqueue_head(&hw_priv->counter[i].counter);
 
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index 62d1baf111ea..c53c0f4e2ce3 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -2110,7 +2110,7 @@ static void __devinit smsc911x_read_mac_address(struct net_device *dev)
 static int __devinit smsc911x_init(struct net_device *dev)
 {
         struct smsc911x_data *pdata = netdev_priv(dev);
-        unsigned int byte_test;
+        unsigned int byte_test, mask;
         unsigned int to = 100;
 
         SMSC_TRACE(pdata, probe, "Driver Parameters:");
@@ -2130,9 +2130,22 @@ static int __devinit smsc911x_init(struct net_device *dev)
         /*
          * poll the READY bit in PMT_CTRL. Any other access to the device is
          * forbidden while this bit isn't set. Try for 100ms
+         *
+         * Note that this test is done before the WORD_SWAP register is
+         * programmed. So in some configurations the READY bit is at 16 before
+         * WORD_SWAP is written to. This issue is worked around by waiting
+         * until either bit 0 or bit 16 gets set in PMT_CTRL.
+         *
+         * SMSC has confirmed that checking bit 16 (marked as reserved in
+         * the datasheet) is fine since these bits "will either never be set
+         * or can only go high after READY does (so also indicate the device
+         * is ready)".
          */
-        while (!(smsc911x_reg_read(pdata, PMT_CTRL) & PMT_CTRL_READY_) && --to)
+
+        mask = PMT_CTRL_READY_ | swahw32(PMT_CTRL_READY_);
+        while (!(smsc911x_reg_read(pdata, PMT_CTRL) & mask) && --to)
                 udelay(1000);
+
         if (to == 0) {
                 pr_err("Device not READY in 100ms aborting\n");
                 return -ENODEV;
diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c
index 4e9810013850..66e025ad5df1 100644
--- a/drivers/net/ethernet/tile/tilegx.c
+++ b/drivers/net/ethernet/tile/tilegx.c
@@ -917,7 +917,7 @@ static int tile_net_setup_interrupts(struct net_device *dev)
         ingress_irq = rc;
         tile_irq_activate(ingress_irq, TILE_IRQ_PERCPU);
         rc = request_irq(ingress_irq, tile_net_handle_ingress_irq,
-                         0, NULL, NULL);
+                         0, "tile_net", NULL);
         if (rc != 0) {
                 netdev_err(dev, "request_irq failed: %d\n", rc);
                 destroy_irq(ingress_irq);
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index 1d04754a6637..77e6db9dcfed 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -942,6 +942,10 @@ static int axienet_open(struct net_device *ndev)
                 phy_start(lp->phy_dev);
         }
 
+        /* Enable tasklets for Axi DMA error handling */
+        tasklet_init(&lp->dma_err_tasklet, axienet_dma_err_handler,
+                     (unsigned long) lp);
+
         /* Enable interrupts for Axi DMA Tx */
         ret = request_irq(lp->tx_irq, axienet_tx_irq, 0, ndev->name, ndev);
         if (ret)
@@ -950,8 +954,7 @@ static int axienet_open(struct net_device *ndev)
         ret = request_irq(lp->rx_irq, axienet_rx_irq, 0, ndev->name, ndev);
         if (ret)
                 goto err_rx_irq;
-        /* Enable tasklets for Axi DMA error handling */
-        tasklet_enable(&lp->dma_err_tasklet);
+
         return 0;
 
 err_rx_irq:
@@ -960,6 +963,7 @@ err_tx_irq:
         if (lp->phy_dev)
                 phy_disconnect(lp->phy_dev);
         lp->phy_dev = NULL;
+        tasklet_kill(&lp->dma_err_tasklet);
         dev_err(lp->dev, "request_irq() failed\n");
         return ret;
 }
@@ -1613,10 +1617,6 @@ static int __devinit axienet_of_probe(struct platform_device *op)
                 goto err_iounmap_2;
         }
 
-        tasklet_init(&lp->dma_err_tasklet, axienet_dma_err_handler,
-                     (unsigned long) lp);
-        tasklet_disable(&lp->dma_err_tasklet);
-
         return 0;
 
 err_iounmap_2:
diff --git a/drivers/net/phy/mdio-bitbang.c b/drivers/net/phy/mdio-bitbang.c
index 6428fcbbdd4b..daec9b05d168 100644
--- a/drivers/net/phy/mdio-bitbang.c
+++ b/drivers/net/phy/mdio-bitbang.c
@@ -234,7 +234,6 @@ void free_mdio_bitbang(struct mii_bus *bus)
         struct mdiobb_ctrl *ctrl = bus->priv;
 
         module_put(ctrl->ops->owner);
-        mdiobus_unregister(bus);
         mdiobus_free(bus);
 }
 EXPORT_SYMBOL(free_mdio_bitbang);
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 4cd582a4f625..74fab1a40156 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -540,10 +540,12 @@ advance:
             (ctx->ether_desc == NULL) || (ctx->control != intf))
                 goto error;
 
-        /* claim interfaces, if any */
-        temp = usb_driver_claim_interface(driver, ctx->data, dev);
-        if (temp)
-                goto error;
+        /* claim data interface, if different from control */
+        if (ctx->data != ctx->control) {
+                temp = usb_driver_claim_interface(driver, ctx->data, dev);
+                if (temp)
+                        goto error;
+        }
 
         iface_no = ctx->data->cur_altsetting->desc.bInterfaceNumber;
 
@@ -623,6 +625,10 @@ static void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf)
 
         tasklet_kill(&ctx->bh);
 
+        /* handle devices with combined control and data interface */
+        if (ctx->control == ctx->data)
+                ctx->data = NULL;
+
         /* disconnect master --> disconnect slave */
         if (intf == ctx->control && ctx->data) {
                 usb_set_intfdata(ctx->data, NULL);
@@ -1245,6 +1251,14 @@ static const struct usb_device_id cdc_devs[] = {
           .driver_info = (unsigned long) &wwan_info,
         },
 
+        /* Huawei NCM devices disguised as vendor specific */
+        { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x16),
+          .driver_info = (unsigned long)&wwan_info,
+        },
+        { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x46),
+          .driver_info = (unsigned long)&wwan_info,
+        },
+
         /* Generic CDC-NCM devices */
         { USB_INTERFACE_INFO(USB_CLASS_COMM,
                 USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 3286166415b4..362cb8cfeb92 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -184,7 +184,7 @@ static int smsc95xx_mdio_read(struct net_device *netdev, int phy_id, int idx)
         /* set the address, index & direction (read from PHY) */
         phy_id &= dev->mii.phy_id_mask;
         idx &= dev->mii.reg_num_mask;
-        addr = (phy_id << 11) | (idx << 6) | MII_READ_;
+        addr = (phy_id << 11) | (idx << 6) | MII_READ_ | MII_BUSY_;
         ret = smsc95xx_write_reg(dev, MII_ADDR, addr);
         check_warn_goto_done(ret, "Error writing MII_ADDR");
 
@@ -221,7 +221,7 @@ static void smsc95xx_mdio_write(struct net_device *netdev, int phy_id, int idx,
         /* set the address, index & direction (write to PHY) */
         phy_id &= dev->mii.phy_id_mask;
         idx &= dev->mii.reg_num_mask;
-        addr = (phy_id << 11) | (idx << 6) | MII_WRITE_;
+        addr = (phy_id << 11) | (idx << 6) | MII_WRITE_ | MII_BUSY_;
         ret = smsc95xx_write_reg(dev, MII_ADDR, addr);
         check_warn_goto_done(ret, "Error writing MII_ADDR");
 
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 7b4adde93c01..8b5c61917076 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1,5 +1,5 @@
 /*
- * VXLAN: Virtual eXtensiable Local Area Network
+ * VXLAN: Virtual eXtensible Local Area Network
  *
  * Copyright (c) 2012 Vyatta Inc.
  *
@@ -50,8 +50,8 @@
 
 #define VXLAN_N_VID     (1u << 24)
 #define VXLAN_VID_MASK  (VXLAN_N_VID - 1)
-/* VLAN + IP header + UDP + VXLAN */
-#define VXLAN_HEADROOM (4 + 20 + 8 + 8)
+/* IP header + UDP + VXLAN + Ethernet header */
+#define VXLAN_HEADROOM (20 + 8 + 8 + 14)
 
 #define VXLAN_FLAGS 0x08000000  /* struct vxlanhdr.vx_flags required value. */
 
@@ -1102,6 +1102,10 @@ static int vxlan_newlink(struct net *net, struct net_device *dev,
 
                 if (!tb[IFLA_MTU])
                         dev->mtu = lowerdev->mtu - VXLAN_HEADROOM;
+
+                /* update header length based on lower device */
+                dev->hard_header_len = lowerdev->hard_header_len +
+                                       VXLAN_HEADROOM;
         }
 
         if (data[IFLA_VXLAN_TOS])
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index a6f1e8166008..481345c23ded 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -4401,7 +4401,7 @@ static s32 brcmf_mode_to_nl80211_iftype(s32 mode)
 
 static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
 {
-#ifndef CONFIG_BRCMFISCAN
+#ifndef CONFIG_BRCMISCAN
         /* scheduled scan settings */
         wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT;
         wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
index ff8162d4c454..fa4d1b8cd9f6 100644
--- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
@@ -521,7 +521,7 @@ static void iwlagn_mac_tx(struct ieee80211_hw *hw,
                      ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
 
         if (iwlagn_tx_skb(priv, control->sta, skb))
-                dev_kfree_skb_any(skb);
+                ieee80211_free_txskb(hw, skb);
 }
 
 static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c
index 7ff3f1430678..408132cf83c1 100644
--- a/drivers/net/wireless/iwlwifi/dvm/main.c
+++ b/drivers/net/wireless/iwlwifi/dvm/main.c
@@ -2114,7 +2114,7 @@ static void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
 
         info = IEEE80211_SKB_CB(skb);
         iwl_trans_free_tx_cmd(priv->trans, info->driver_data[1]);
-        dev_kfree_skb_any(skb);
+        ieee80211_free_txskb(priv->hw, skb);
 }
 
 static void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c
index 17c8e5d82681..bb69f8f90b3b 100644
--- a/drivers/net/wireless/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/rx.c
@@ -321,6 +321,14 @@ static void iwl_rx_allocate(struct iwl_trans *trans, gfp_t priority)
                         dma_map_page(trans->dev, page, 0,
                                      PAGE_SIZE << trans_pcie->rx_page_order,
                                      DMA_FROM_DEVICE);
+                if (dma_mapping_error(trans->dev, rxb->page_dma)) {
+                        rxb->page = NULL;
+                        spin_lock_irqsave(&rxq->lock, flags);
+                        list_add(&rxb->list, &rxq->rx_used);
+                        spin_unlock_irqrestore(&rxq->lock, flags);
+                        __free_pages(page, trans_pcie->rx_page_order);
+                        return;
+                }
                 /* dma address must be no more than 36 bits */
                 BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36));
                 /* and also 256 byte aligned! */
@@ -488,8 +496,19 @@ static void iwl_rx_handle_rxbuf(struct iwl_trans *trans,
                         dma_map_page(trans->dev, rxb->page, 0,
                                      PAGE_SIZE << trans_pcie->rx_page_order,
                                      DMA_FROM_DEVICE);
-                list_add_tail(&rxb->list, &rxq->rx_free);
-                rxq->free_count++;
+                if (dma_mapping_error(trans->dev, rxb->page_dma)) {
+                        /*
+                         * free the page(s) as well to not break
+                         * the invariant that the items on the used
+                         * list have no page(s)
+                         */
+                        __free_pages(rxb->page, trans_pcie->rx_page_order);
+                        rxb->page = NULL;
+                        list_add_tail(&rxb->list, &rxq->rx_used);
+                } else {
+                        list_add_tail(&rxb->list, &rxq->rx_free);
+                        rxq->free_count++;
+                }
         } else
                 list_add_tail(&rxb->list, &rxq->rx_used);
         spin_unlock_irqrestore(&rxq->lock, flags);
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index c17ae22567e0..0c6fcb461faf 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -401,7 +401,7 @@ EXPORT_SYMBOL_GPL(rio_release_inb_pwrite);
 /**
  * rio_map_inb_region -- Map inbound memory region.
  * @mport: Master port.
- * @lstart: physical address of memory region to be mapped
+ * @local: physical address of memory region to be mapped
  * @rbase: RIO base address assigned to this window
  * @size: Size of the memory region
  * @rflags: Flags for mapping.
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 5c4829cba6a6..e872c8be080e 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1381,22 +1381,14 @@ struct regulator *regulator_get_exclusive(struct device *dev, const char *id)
 }
 EXPORT_SYMBOL_GPL(regulator_get_exclusive);
 
-/**
- * regulator_put - "free" the regulator source
- * @regulator: regulator source
- *
- * Note: drivers must ensure that all regulator_enable calls made on this
- * regulator source are balanced by regulator_disable calls prior to calling
- * this function.
- */
-void regulator_put(struct regulator *regulator)
+/* Locks held by regulator_put() */
+static void _regulator_put(struct regulator *regulator)
 {
         struct regulator_dev *rdev;
 
         if (regulator == NULL || IS_ERR(regulator))
                 return;
 
-        mutex_lock(&regulator_list_mutex);
         rdev = regulator->rdev;
 
         debugfs_remove_recursive(regulator->debugfs);
@@ -1412,6 +1404,20 @@ void regulator_put(struct regulator *regulator)
         rdev->exclusive = 0;
 
         module_put(rdev->owner);
+}
+
+/**
+ * regulator_put - "free" the regulator source
+ * @regulator: regulator source
+ *
+ * Note: drivers must ensure that all regulator_enable calls made on this
+ * regulator source are balanced by regulator_disable calls prior to calling
+ * this function.
+ */
+void regulator_put(struct regulator *regulator)
+{
+        mutex_lock(&regulator_list_mutex);
+        _regulator_put(regulator);
         mutex_unlock(&regulator_list_mutex);
 }
 EXPORT_SYMBOL_GPL(regulator_put);
@@ -1974,7 +1980,7 @@ int regulator_is_supported_voltage(struct regulator *regulator,
         if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)) {
                 ret = regulator_get_voltage(regulator);
                 if (ret >= 0)
-                        return (min_uV >= ret && ret <= max_uV);
+                        return (min_uV <= ret && ret <= max_uV);
                 else
                         return ret;
         }
@@ -3365,7 +3371,7 @@ regulator_register(const struct regulator_desc *regulator_desc,
                 if (ret != 0) {
                         rdev_err(rdev, "Failed to request enable GPIO%d: %d\n",
                                  config->ena_gpio, ret);
-                        goto clean;
+                        goto wash;
                 }
 
                 rdev->ena_gpio = config->ena_gpio;
@@ -3445,10 +3451,11 @@ unset_supplies:
 
 scrub:
         if (rdev->supply)
-                regulator_put(rdev->supply);
+                _regulator_put(rdev->supply);
         if (rdev->ena_gpio)
                 gpio_free(rdev->ena_gpio);
         kfree(rdev->constraints);
+wash:
         device_unregister(&rdev->dev);
         /* device core frees rdev */
         rdev = ERR_PTR(ret);
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 9ffb6d5f17aa..4ed343e4eb41 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -44,7 +44,6 @@
 #define RAW3215_NR_CCWS     3
 #define RAW3215_TIMEOUT     HZ/10     /* time for delayed output */
 
-#define RAW3215_FIXED       1         /* 3215 console device is not be freed */
 #define RAW3215_WORKING     4         /* set if a request is being worked on */
 #define RAW3215_THROTTLED   8         /* set if reading is disabled */
 #define RAW3215_STOPPED     16        /* set if writing is disabled */
@@ -339,8 +338,10 @@ static void raw3215_wakeup(unsigned long data)
         struct tty_struct *tty;
 
         tty = tty_port_tty_get(&raw->port);
-        tty_wakeup(tty);
-        tty_kref_put(tty);
+        if (tty) {
+                tty_wakeup(tty);
+                tty_kref_put(tty);
+        }
 }
 
 /*
@@ -629,8 +630,7 @@ static void raw3215_shutdown(struct raw3215_info *raw)
         DECLARE_WAITQUEUE(wait, current);
         unsigned long flags;
 
-        if (!(raw->port.flags & ASYNC_INITIALIZED) ||
-                        (raw->flags & RAW3215_FIXED))
+        if (!(raw->port.flags & ASYNC_INITIALIZED))
                 return;
         /* Wait for outstanding requests, then free irq */
         spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
@@ -926,8 +926,6 @@ static int __init con3215_init(void)
         dev_set_drvdata(&cdev->dev, raw);
         cdev->handler = raw3215_irq;
 
-        raw->flags |= RAW3215_FIXED;
-
         /* Request the console irq */
         if (raw3215_startup(raw) != 0) {
                 raw3215_free_info(raw);
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 3e25d3150456..4d6ba00d0047 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -2942,13 +2942,33 @@ static int qeth_query_ipassists_cb(struct qeth_card *card,
         QETH_DBF_TEXT(SETUP, 2, "qipasscb");
 
         cmd = (struct qeth_ipa_cmd *) data;
+
+        switch (cmd->hdr.return_code) {
+        case IPA_RC_NOTSUPP:
+        case IPA_RC_L2_UNSUPPORTED_CMD:
+                QETH_DBF_TEXT(SETUP, 2, "ipaunsup");
+                card->options.ipa4.supported_funcs |= IPA_SETADAPTERPARMS;
+                card->options.ipa6.supported_funcs |= IPA_SETADAPTERPARMS;
+                return -0;
+        default:
+                if (cmd->hdr.return_code) {
+                        QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Unhandled "
+                                                "rc=%d\n",
+                                                dev_name(&card->gdev->dev),
+                                                cmd->hdr.return_code);
+                        return 0;
+                }
+        }
+
         if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
                 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
                 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
-        } else {
+        } else if (cmd->hdr.prot_version == QETH_PROT_IPV6) {
                 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
                 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
-        }
+        } else
+                QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Flawed LIC detected"
+                                        "\n", dev_name(&card->gdev->dev));
         QETH_DBF_TEXT(SETUP, 2, "suppenbl");
         QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_supported);
         QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_enabled);
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index e67e0258aec5..fddb62654b6a 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -626,10 +626,13 @@ static int qeth_l2_request_initial_mac(struct qeth_card *card)
         QETH_DBF_TEXT(SETUP, 2, "doL2init");
         QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card));
 
-        rc = qeth_query_setadapterparms(card);
-        if (rc) {
-                QETH_DBF_MESSAGE(2, "could not query adapter parameters on "
-                        "device %s: x%x\n", CARD_BUS_ID(card), rc);
+        if (qeth_is_supported(card, IPA_SETADAPTERPARMS)) {
+                rc = qeth_query_setadapterparms(card);
+                if (rc) {
+                        QETH_DBF_MESSAGE(2, "could not query adapter "
+                                "parameters on device %s: x%x\n",
+                                CARD_BUS_ID(card), rc);
+                }
         }
 
         if (card->info.type == QETH_CARD_TYPE_IQD ||
@@ -676,7 +679,7 @@ static int qeth_l2_set_mac_address(struct net_device *dev, void *p)
                 return -ERESTARTSYS;
         }
         rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]);
-        if (!rc)
+        if (!rc || (rc == IPA_RC_L2_MAC_NOT_FOUND))
                 rc = qeth_l2_send_setmac(card, addr->sa_data);
         return rc ? -EINVAL : 0;
 }
diff --git a/drivers/staging/android/android_alarm.h b/drivers/staging/android/android_alarm.h
index f2ffd963f1c3..d0cafd637199 100644
--- a/drivers/staging/android/android_alarm.h
+++ b/drivers/staging/android/android_alarm.h
@@ -51,12 +51,10 @@ enum android_alarm_return_flags {
 #define ANDROID_ALARM_WAIT                  _IO('a', 1)
 
 #define ALARM_IOW(c, type, size)            _IOW('a', (c) | ((type) << 4), size)
-#define ALARM_IOR(c, type, size)            _IOR('a', (c) | ((type) << 4), size)
-
 /* Set alarm */
 #define ANDROID_ALARM_SET(type)             ALARM_IOW(2, type, struct timespec)
 #define ANDROID_ALARM_SET_AND_WAIT(type)    ALARM_IOW(3, type, struct timespec)
-#define ANDROID_ALARM_GET_TIME(type)        ALARM_IOR(4, type, struct timespec)
+#define ANDROID_ALARM_GET_TIME(type)        ALARM_IOW(4, type, struct timespec)
 #define ANDROID_ALARM_SET_RTC               _IOW('a', 5, struct timespec)
 #define ANDROID_ALARM_BASE_CMD(cmd)         (cmd & ~(_IOC(0, 0, 0xf0, 0)))
 #define ANDROID_ALARM_IOCTL_TO_TYPE(cmd)    (_IOC_NR(cmd) >> 4)
diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
index a5dec1ca1b82..13ee53bd0bf6 100644
--- a/drivers/tty/hvc/hvc_console.c
+++ b/drivers/tty/hvc/hvc_console.c
@@ -424,7 +424,6 @@ static void hvc_hangup(struct tty_struct *tty)
 {
         struct hvc_struct *hp = tty->driver_data;
         unsigned long flags;
-        int temp_open_count;
 
         if (!hp)
                 return;
@@ -444,7 +443,6 @@ static void hvc_hangup(struct tty_struct *tty)
                 return;
         }
 
-        temp_open_count = hp->port.count;
         hp->port.count = 0;
         spin_unlock_irqrestore(&hp->port.lock, flags);
         tty_port_tty_set(&hp->port, NULL);
@@ -453,11 +451,6 @@ static void hvc_hangup(struct tty_struct *tty)
 
         if (hp->ops->notifier_hangup)
                 hp->ops->notifier_hangup(hp, hp->data);
-
-        while(temp_open_count) {
-                --temp_open_count;
-                tty_port_put(&hp->port);
-        }
 }
 
 /*
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 2bc28a59d385..1ab1d2c66de4 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1239,6 +1239,7 @@ static int __devexit max310x_remove(struct spi_device *spi)
 static const struct spi_device_id max310x_id_table[] = {
         { "max3107",    MAX310X_TYPE_MAX3107 },
         { "max3108",    MAX310X_TYPE_MAX3108 },
+        { }
 };
 MODULE_DEVICE_TABLE(spi, max310x_id_table);
 
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 1e741bca0265..f034716190ff 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -2151,8 +2151,15 @@ EXPORT_SYMBOL_GPL(usb_bus_start_enum);
 irqreturn_t usb_hcd_irq (int irq, void *__hcd)
 {
         struct usb_hcd          *hcd = __hcd;
+        unsigned long           flags;
         irqreturn_t             rc;
 
+        /* IRQF_DISABLED doesn't work correctly with shared IRQs
+         * when the first handler doesn't use it.  So let's just
+         * assume it's never used.
+         */
+        local_irq_save(flags);
+
         if (unlikely(HCD_DEAD(hcd) || !HCD_HW_ACCESSIBLE(hcd)))
                 rc = IRQ_NONE;
         else if (hcd->driver->irq(hcd) == IRQ_NONE)
@@ -2160,6 +2167,7 @@ irqreturn_t usb_hcd_irq (int irq, void *__hcd)
         else
                 rc = IRQ_HANDLED;
 
+        local_irq_restore(flags);
         return rc;
 }
 EXPORT_SYMBOL_GPL(usb_hcd_irq);
@@ -2347,6 +2355,14 @@ static int usb_hcd_request_irqs(struct usb_hcd *hcd,
         int retval;
 
         if (hcd->driver->irq) {
+
+                /* IRQF_DISABLED doesn't work as advertised when used together
+                 * with IRQF_SHARED. As usb_hcd_irq() will always disable
+                 * interrupts we can remove it here.
+                 */
+                if (irqflags & IRQF_SHARED)
+                        irqflags &= ~IRQF_DISABLED;
+
                 snprintf(hcd->irq_descr, sizeof(hcd->irq_descr), "%s:usb%d",
                                 hcd->driver->description, hcd->self.busnum);
                 retval = request_irq(irqnum, &usb_hcd_irq, irqflags,
diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c
index e426ad626d74..4bfa78af379c 100644
--- a/drivers/usb/early/ehci-dbgp.c
+++ b/drivers/usb/early/ehci-dbgp.c
@@ -20,6 +20,7 @@
 #include <linux/usb/ehci_def.h>
 #include <linux/delay.h>
 #include <linux/serial_core.h>
+#include <linux/kconfig.h>
 #include <linux/kgdb.h>
 #include <linux/kthread.h>
 #include <asm/io.h>
@@ -614,12 +615,6 @@ err:
         return -ENODEV;
 }
 
-int dbgp_external_startup(struct usb_hcd *hcd)
-{
-        return xen_dbgp_external_startup(hcd) ?: _dbgp_external_startup();
-}
-EXPORT_SYMBOL_GPL(dbgp_external_startup);
-
 static int ehci_reset_port(int port)
 {
         u32 portsc;
@@ -979,6 +974,7 @@ struct console early_dbgp_console = {
         .index =        -1,
 };
 
+#if IS_ENABLED(CONFIG_USB_EHCI_HCD)
 int dbgp_reset_prep(struct usb_hcd *hcd)
 {
         int ret = xen_dbgp_reset_prep(hcd);
@@ -1007,6 +1003,13 @@ int dbgp_reset_prep(struct usb_hcd *hcd)
 }
 EXPORT_SYMBOL_GPL(dbgp_reset_prep);
 
+int dbgp_external_startup(struct usb_hcd *hcd)
+{
+        return xen_dbgp_external_startup(hcd) ?: _dbgp_external_startup();
+}
+EXPORT_SYMBOL_GPL(dbgp_external_startup);
+#endif /* USB_EHCI_HCD */
+
 #ifdef CONFIG_KGDB
 
 static char kgdbdbgp_buf[DBGP_MAX_PACKET];
diff --git a/drivers/usb/host/ehci-ls1x.c b/drivers/usb/host/ehci-ls1x.c
index ca759652626b..aa0f328922df 100644
--- a/drivers/usb/host/ehci-ls1x.c
+++ b/drivers/usb/host/ehci-ls1x.c
@@ -113,7 +113,7 @@ static int ehci_hcd_ls1x_probe(struct platform_device *pdev)
                 goto err_put_hcd;
         }
 
-        ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
+        ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
         if (ret)
                 goto err_put_hcd;
 
diff --git a/drivers/usb/host/ohci-xls.c b/drivers/usb/host/ohci-xls.c
index 84201cd1a472..41e378f17c66 100644
--- a/drivers/usb/host/ohci-xls.c
+++ b/drivers/usb/host/ohci-xls.c
@@ -56,7 +56,7 @@ static int ohci_xls_probe_internal(const struct hc_driver *driver,
                 goto err3;
         }
 
-        retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
+        retval = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
         if (retval != 0)
                 goto err4;
         return retval;
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index d0b87e7b4abf..b6b84dacc791 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -707,11 +707,12 @@ static void rxstate(struct musb *musb, struct musb_request *req)
                 fifo_count = musb_readw(epio, MUSB_RXCOUNT);
 
                 /*
-                 *  use mode 1 only if we expect data of at least ep packet_sz
-                 *  and have not yet received a short packet
+                 * Enable Mode 1 on RX transfers only when short_not_ok flag
+                 * is set. Currently short_not_ok flag is set only from
+                 * file_storage and f_mass_storage drivers
                  */
-                if ((request->length - request->actual >= musb_ep->packet_sz) &&
-                        (fifo_count >= musb_ep->packet_sz))
+
+                if (request->short_not_ok && fifo_count == musb_ep->packet_sz)
                         use_mode_1 = 1;
                 else
                         use_mode_1 = 0;
@@ -727,6 +728,27 @@ static void rxstate(struct musb *musb, struct musb_request *req)
                                 c = musb->dma_controller;
                                 channel = musb_ep->dma;
 
+        /* We use DMA Req mode 0 in rx_csr, and DMA controller operates in
+         * mode 0 only. So we do not get endpoint interrupts due to DMA
+         * completion. We only get interrupts from DMA controller.
+         *
+         * We could operate in DMA mode 1 if we knew the size of the tranfer
+         * in advance. For mass storage class, request->length = what the host
+         * sends, so that'd work.  But for pretty much everything else,
+         * request->length is routinely more than what the host sends. For
+         * most these gadgets, end of is signified either by a short packet,
+         * or filling the last byte of the buffer.  (Sending extra data in
+         * that last pckate should trigger an overflow fault.)  But in mode 1,
+         * we don't get DMA completion interrupt for short packets.
+         *
+         * Theoretically, we could enable DMAReq irq (MUSB_RXCSR_DMAMODE = 1),
+         * to get endpoint interrupt on every DMA req, but that didn't seem
+         * to work reliably.
+         *
+         * REVISIT an updated g_file_storage can set req->short_not_ok, which
+         * then becomes usable as a runtime "use mode 1" hint...
+         */
+
                                 /* Experimental: Mode1 works with mass storage use cases */
                                 if (use_mode_1) {
                                         csr |= MUSB_RXCSR_AUTOCLEAR;
diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c
index d62a91fedc22..0e62f504410e 100644
--- a/drivers/usb/musb/ux500.c
+++ b/drivers/usb/musb/ux500.c
@@ -65,7 +65,7 @@ static int __devinit ux500_probe(struct platform_device *pdev)
         struct platform_device          *musb;
         struct ux500_glue               *glue;
         struct clk                      *clk;
-
+        int                             musbid;
         int                             ret = -ENOMEM;
 
         glue = kzalloc(sizeof(*glue), GFP_KERNEL);
diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig
index d8c8a42bff3e..6223062d5d1b 100644
--- a/drivers/usb/otg/Kconfig
+++ b/drivers/usb/otg/Kconfig
@@ -58,7 +58,7 @@ config USB_ULPI_VIEWPORT
 
 config TWL4030_USB
         tristate "TWL4030 USB Transceiver Driver"
-        depends on TWL4030_CORE && REGULATOR_TWL4030
+        depends on TWL4030_CORE && REGULATOR_TWL4030 && USB_MUSB_OMAP2PLUS
         select USB_OTG_UTILS
         help
           Enable this to support the USB OTG transceiver on TWL4030
@@ -68,7 +68,7 @@ config TWL4030_USB
 
 config TWL6030_USB
         tristate "TWL6030 USB Transceiver Driver"
-        depends on TWL4030_CORE && OMAP_USB2
+        depends on TWL4030_CORE && OMAP_USB2 && USB_MUSB_OMAP2PLUS
         select USB_OTG_UTILS
         help
           Enable this to support the USB OTG transceiver on TWL6030
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 7179b0c5f814..cff8dd5b462d 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -2430,7 +2430,7 @@ static void keyspan_release(struct usb_serial *serial)
 static int keyspan_port_probe(struct usb_serial_port *port)
 {
         struct usb_serial *serial = port->serial;
-        struct keyspan_port_private *s_priv;
+        struct keyspan_serial_private *s_priv;
         struct keyspan_port_private *p_priv;
         const struct keyspan_device_details *d_details;
         struct callbacks *cback;
@@ -2445,7 +2445,6 @@ static int keyspan_port_probe(struct usb_serial_port *port)
         if (!p_priv)
                 return -ENOMEM;
 
-        s_priv = usb_get_serial_data(port->serial);
         p_priv->device_details = d_details;
 
         /* Setup values for the various callback routines */
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 5dee7d61241e..edc64bb6f457 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -158,6 +158,7 @@ static void option_instat_callback(struct urb *urb);
 #define NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_HIGHSPEED 0x8001
 #define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED 0x9000
 #define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED 0x9001
+#define NOVATELWIRELESS_PRODUCT_E362            0x9010
 #define NOVATELWIRELESS_PRODUCT_G1              0xA001
 #define NOVATELWIRELESS_PRODUCT_G1_M            0xA002
 #define NOVATELWIRELESS_PRODUCT_G2              0xA010
@@ -193,6 +194,9 @@ static void option_instat_callback(struct urb *urb);
 #define DELL_PRODUCT_5730_MINICARD_TELUS        0x8181
 #define DELL_PRODUCT_5730_MINICARD_VZW          0x8182
 
+#define DELL_PRODUCT_5800_MINICARD_VZW          0x8195  /* Novatel E362 */
+#define DELL_PRODUCT_5800_V2_MINICARD_VZW       0x8196  /* Novatel E362 */
+
 #define KYOCERA_VENDOR_ID                       0x0c88
 #define KYOCERA_PRODUCT_KPC650                  0x17da
 #define KYOCERA_PRODUCT_KPC680                  0x180a
@@ -283,6 +287,7 @@ static void option_instat_callback(struct urb *urb);
 /* ALCATEL PRODUCTS */
 #define ALCATEL_VENDOR_ID                       0x1bbb
 #define ALCATEL_PRODUCT_X060S_X200              0x0000
+#define ALCATEL_PRODUCT_X220_X500D              0x0017
 
 #define PIRELLI_VENDOR_ID                       0x1266
 #define PIRELLI_PRODUCT_C100_1                  0x1002
@@ -706,6 +711,7 @@ static const struct usb_device_id option_ids[] = {
         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_G2) },
         /* Novatel Ovation MC551 a.k.a. Verizon USB551L */
         { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC551, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E362, 0xff, 0xff, 0xff) },
 
         { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) },
         { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) },
@@ -728,6 +734,8 @@ static const struct usb_device_id option_ids[] = {
         { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_SPRINT) },      /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
         { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_TELUS) },       /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
         { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_VZW) },         /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
+        { USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5800_MINICARD_VZW, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5800_V2_MINICARD_VZW, 0xff, 0xff, 0xff) },
         { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },   /* ADU-E100, ADU-310 */
         { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
         { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
@@ -1157,6 +1165,7 @@ static const struct usb_device_id option_ids[] = {
         { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S_X200),
           .driver_info = (kernel_ulong_t)&alcatel_x200_blacklist
         },
+        { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D) },
         { USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) },
         { USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) },
         { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14),
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index 61a73ad1a187..a3e9c095f0d8 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -455,9 +455,6 @@ static struct urb *usb_wwan_setup_urb(struct usb_serial_port *port,
         struct usb_serial *serial = port->serial;
         struct urb *urb;
 
-        if (endpoint == -1)
-                return NULL;    /* endpoint not needed */
-
         urb = usb_alloc_urb(0, GFP_KERNEL);     /* No ISO */
         if (urb == NULL) {
                 dev_dbg(&serial->interface->dev,
@@ -489,6 +486,9 @@ int usb_wwan_port_probe(struct usb_serial_port *port)
         init_usb_anchor(&portdata->delayed);
 
         for (i = 0; i < N_IN_URB; i++) {
+                if (!port->bulk_in_size)
+                        break;
+
                 buffer = (u8 *)__get_free_page(GFP_KERNEL);
                 if (!buffer)
                         goto bail_out_error;
@@ -502,8 +502,8 @@ int usb_wwan_port_probe(struct usb_serial_port *port)
         }
 
         for (i = 0; i < N_OUT_URB; i++) {
-                if (port->bulk_out_endpointAddress == -1)
-                        continue;
+                if (!port->bulk_out_size)
+                        break;
 
                 buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL);
                 if (!buffer)