Merge tag 'v4.0.2' into toradex_vf_4.0-next

This is the 4.0.2 stable release

110 files changed, 1008 insertions, 565 deletions

diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c
index 5ed064e8673c..ccf793247447 100644
--- a/drivers/acpi/acpica/evgpe.c
+++ b/drivers/acpi/acpica/evgpe.c
@@ -92,6 +92,7 @@ acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info)
 		ACPI_SET_BIT(gpe_register_info->enable_for_run,
 			     (u8)register_bit);
 	}
+	gpe_register_info->enable_mask = gpe_register_info->enable_for_run;
 
 	return_ACPI_STATUS(AE_OK);
 }
@@ -123,7 +124,7 @@ acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info)
 
 	/* Enable the requested GPE */
 
-	status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_ENABLE_SAVE);
+	status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_ENABLE);
 	return_ACPI_STATUS(status);
 }
 
@@ -202,7 +203,7 @@ acpi_ev_remove_gpe_reference(struct acpi_gpe_event_info *gpe_event_info)
 		if (ACPI_SUCCESS(status)) {
 			status =
 			    acpi_hw_low_set_gpe(gpe_event_info,
-						ACPI_GPE_DISABLE_SAVE);
+						ACPI_GPE_DISABLE);
 		}
 
 		if (ACPI_FAILURE(status)) {
diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c
index 84bc550f4f1d..af6514ed64c5 100644
--- a/drivers/acpi/acpica/hwgpe.c
+++ b/drivers/acpi/acpica/hwgpe.c
@@ -89,6 +89,8 @@ u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info)
  * RETURN:	Status
  *
  * DESCRIPTION: Enable or disable a single GPE in the parent enable register.
+ *              The enable_mask field of the involved GPE register must be
+ *              updated by the caller if necessary.
  *
  ******************************************************************************/
 
@@ -119,7 +121,7 @@ acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action)
 	/* Set or clear just the bit that corresponds to this GPE */
 
 	register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info);
-	switch (action & ~ACPI_GPE_SAVE_MASK) {
+	switch (action) {
 	case ACPI_GPE_CONDITIONAL_ENABLE:
 
 		/* Only enable if the corresponding enable_mask bit is set */
@@ -149,9 +151,6 @@ acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action)
 	/* Write the updated enable mask */
 
 	status = acpi_hw_write(enable_mask, &gpe_register_info->enable_address);
-	if (ACPI_SUCCESS(status) && (action & ACPI_GPE_SAVE_MASK)) {
-		gpe_register_info->enable_mask = (u8)enable_mask;
-	}
 	return (status);
 }
 
@@ -286,10 +285,8 @@ acpi_hw_gpe_enable_write(u8 enable_mask,
 {
 	acpi_status status;
 
+	gpe_register_info->enable_mask = enable_mask;
 	status = acpi_hw_write(enable_mask, &gpe_register_info->enable_address);
-	if (ACPI_SUCCESS(status)) {
-		gpe_register_info->enable_mask = enable_mask;
-	}
 	return (status);
 }
 
diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c
index 9bad45e63a45..7fbc2b9dcbbb 100644
--- a/drivers/acpi/acpica/tbinstal.c
+++ b/drivers/acpi/acpica/tbinstal.c
@@ -346,7 +346,6 @@ acpi_tb_install_standard_table(acpi_physical_address address,
 				 */
 				acpi_tb_uninstall_table(&new_table_desc);
 				*table_index = i;
-				(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
 				return_ACPI_STATUS(AE_OK);
 			}
 		}
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index bbca7830e18a..349f4fdd0b25 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -298,7 +298,11 @@ bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent)
 	struct acpi_device_physical_node *pn;
 	bool offline = true;
 
-	mutex_lock(&adev->physical_node_lock);
+	/*
+	 * acpi_container_offline() calls this for all of the container's
+	 * children under the container's physical_node_lock lock.
+	 */
+	mutex_lock_nested(&adev->physical_node_lock, SINGLE_DEPTH_NESTING);
 
 	list_for_each_entry(pn, &adev->physical_node_list, node)
 		if (device_supports_offline(pn->dev) && !pn->dev->offline) {
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 876bae5ade33..79bc203f51ef 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -515,11 +515,11 @@ int bus_add_device(struct device *dev)
 			goto out_put;
 		error = device_add_groups(dev, bus->dev_groups);
 		if (error)
-			goto out_groups;
+			goto out_id;
 		error = sysfs_create_link(&bus->p->devices_kset->kobj,
 						&dev->kobj, dev_name(dev));
 		if (error)
-			goto out_id;
+			goto out_groups;
 		error = sysfs_create_link(&dev->kobj,
 				&dev->bus->p->subsys.kobj, "subsystem");
 		if (error)
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c
index 6e64563361f0..9c2ba1c97c42 100644
--- a/drivers/base/cacheinfo.c
+++ b/drivers/base/cacheinfo.c
@@ -62,15 +62,21 @@ static int cache_setup_of_node(unsigned int cpu)
 		return -ENOENT;
 	}
 
-	while (np && index < cache_leaves(cpu)) {
+	while (index < cache_leaves(cpu)) {
 		this_leaf = this_cpu_ci->info_list + index;
 		if (this_leaf->level != 1)
 			np = of_find_next_cache_node(np);
 		else
 			np = of_node_get(np);/* cpu node itself */
+		if (!np)
+			break;
 		this_leaf->of_node = np;
 		index++;
 	}
+
+	if (index != cache_leaves(cpu)) /* not all OF nodes populated */
+		return -ENOENT;
+
 	return 0;
 }
 
@@ -189,8 +195,11 @@ static int detect_cache_attributes(unsigned int cpu)
 	 * will be set up here only if they are not populated already
 	 */
 	ret = cache_shared_cpu_map_setup(cpu);
-	if (ret)
+	if (ret) {
+		pr_warn("Unable to detect cache hierarcy from DT for CPU %d\n",
+			cpu);
 		goto free_ci;
+	}
 	return 0;
 
 free_ci:
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 9421fed40905..e68ab79df28b 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -101,6 +101,15 @@ int platform_get_irq(struct platform_device *dev, unsigned int num)
 	}
 
 	r = platform_get_resource(dev, IORESOURCE_IRQ, num);
+	/*
+	 * The resources may pass trigger flags to the irqs that need
+	 * to be set up. It so happens that the trigger flags for
+	 * IORESOURCE_BITS correspond 1-to-1 to the IRQF_TRIGGER*
+	 * settings.
+	 */
+	if (r && r->flags & IORESOURCE_BITS)
+		irqd_set_trigger_type(irq_get_irq_data(r->start),
+				      r->flags & IORESOURCE_BITS);
 
 	return r ? r->start : -ENXIO;
 #endif
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index de4c8499cbac..288547a3c566 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -65,6 +65,7 @@ static const struct usb_device_id ath3k_table[] = {
 	/* Atheros AR3011 with sflash firmware*/
 	{ USB_DEVICE(0x0489, 0xE027) },
 	{ USB_DEVICE(0x0489, 0xE03D) },
+	{ USB_DEVICE(0x04F2, 0xAFF1) },
 	{ USB_DEVICE(0x0930, 0x0215) },
 	{ USB_DEVICE(0x0CF3, 0x3002) },
 	{ USB_DEVICE(0x0CF3, 0xE019) },
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 8bfc4c2bba87..2c527da668ae 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -159,6 +159,7 @@ static const struct usb_device_id blacklist_table[] = {
 	/* Atheros 3011 with sflash firmware */
 	{ USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
 	{ USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
+	{ USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
 	{ USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
 	{ USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
 	{ USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c
index e096e9cddb40..283f00a7f036 100644
--- a/drivers/char/tpm/tpm-chip.c
+++ b/drivers/char/tpm/tpm-chip.c
@@ -170,6 +170,41 @@ static void tpm_dev_del_device(struct tpm_chip *chip)
 	device_unregister(&chip->dev);
 }
 
+static int tpm1_chip_register(struct tpm_chip *chip)
+{
+	int rc;
+
+	if (chip->flags & TPM_CHIP_FLAG_TPM2)
+		return 0;
+
+	rc = tpm_sysfs_add_device(chip);
+	if (rc)
+		return rc;
+
+	rc = tpm_add_ppi(chip);
+	if (rc) {
+		tpm_sysfs_del_device(chip);
+		return rc;
+	}
+
+	chip->bios_dir = tpm_bios_log_setup(chip->devname);
+
+	return 0;
+}
+
+static void tpm1_chip_unregister(struct tpm_chip *chip)
+{
+	if (chip->flags & TPM_CHIP_FLAG_TPM2)
+		return;
+
+	if (chip->bios_dir)
+		tpm_bios_log_teardown(chip->bios_dir);
+
+	tpm_remove_ppi(chip);
+
+	tpm_sysfs_del_device(chip);
+}
+
 /*
  * tpm_chip_register() - create a character device for the TPM chip
  * @chip: TPM chip to use.
@@ -185,22 +220,13 @@ int tpm_chip_register(struct tpm_chip *chip)
 {
 	int rc;
 
-	/* Populate sysfs for TPM1 devices. */
-	if (!(chip->flags & TPM_CHIP_FLAG_TPM2)) {
-		rc = tpm_sysfs_add_device(chip);
-		if (rc)
-			goto del_misc;
-
-		rc = tpm_add_ppi(chip);
-		if (rc)
-			goto del_sysfs;
-
-		chip->bios_dir = tpm_bios_log_setup(chip->devname);
-	}
+	rc = tpm1_chip_register(chip);
+	if (rc)
+		return rc;
 
 	rc = tpm_dev_add_device(chip);
 	if (rc)
-		return rc;
+		goto out_err;
 
 	/* Make the chip available. */
 	spin_lock(&driver_lock);
@@ -210,10 +236,8 @@ int tpm_chip_register(struct tpm_chip *chip)
 	chip->flags |= TPM_CHIP_FLAG_REGISTERED;
 
 	return 0;
-del_sysfs:
-	tpm_sysfs_del_device(chip);
-del_misc:
-	tpm_dev_del_device(chip);
+out_err:
+	tpm1_chip_unregister(chip);
 	return rc;
 }
 EXPORT_SYMBOL_GPL(tpm_chip_register);
@@ -238,13 +262,7 @@ void tpm_chip_unregister(struct tpm_chip *chip)
 	spin_unlock(&driver_lock);
 	synchronize_rcu();
 
-	if (!(chip->flags & TPM_CHIP_FLAG_TPM2)) {
-		if (chip->bios_dir)
-			tpm_bios_log_teardown(chip->bios_dir);
-		tpm_remove_ppi(chip);
-		tpm_sysfs_del_device(chip);
-	}
-
+	tpm1_chip_unregister(chip);
 	tpm_dev_del_device(chip);
 }
 EXPORT_SYMBOL_GPL(tpm_chip_unregister);
diff --git a/drivers/clk/at91/clk-usb.c b/drivers/clk/at91/clk-usb.c
index a23ac0c724f0..0b7c3e8840ba 100644
--- a/drivers/clk/at91/clk-usb.c
+++ b/drivers/clk/at91/clk-usb.c
@@ -56,22 +56,55 @@ static unsigned long at91sam9x5_clk_usb_recalc_rate(struct clk_hw *hw,
 	return DIV_ROUND_CLOSEST(parent_rate, (usbdiv + 1));
 }
 
-static long at91sam9x5_clk_usb_round_rate(struct clk_hw *hw, unsigned long rate,
-					  unsigned long *parent_rate)
+static long at91sam9x5_clk_usb_determine_rate(struct clk_hw *hw,
+					      unsigned long rate,
+					      unsigned long min_rate,
+					      unsigned long max_rate,
+					      unsigned long *best_parent_rate,
+					      struct clk_hw **best_parent_hw)
 {
-	unsigned long div;
+	struct clk *parent = NULL;
+	long best_rate = -EINVAL;
+	unsigned long tmp_rate;
+	int best_diff = -1;
+	int tmp_diff;
+	int i;
 
-	if (!rate)
-		return -EINVAL;
+	for (i = 0; i < __clk_get_num_parents(hw->clk); i++) {
+		int div;
 
-	if (rate >= *parent_rate)
-		return *parent_rate;
+		parent = clk_get_parent_by_index(hw->clk, i);
+		if (!parent)
+			continue;
+
+		for (div = 1; div < SAM9X5_USB_MAX_DIV + 2; div++) {
+			unsigned long tmp_parent_rate;
+
+			tmp_parent_rate = rate * div;
+			tmp_parent_rate = __clk_round_rate(parent,
+							   tmp_parent_rate);
+			tmp_rate = DIV_ROUND_CLOSEST(tmp_parent_rate, div);
+			if (tmp_rate < rate)
+				tmp_diff = rate - tmp_rate;
+			else
+				tmp_diff = tmp_rate - rate;
+
+			if (best_diff < 0 || best_diff > tmp_diff) {
+				best_rate = tmp_rate;
+				best_diff = tmp_diff;
+				*best_parent_rate = tmp_parent_rate;
+				*best_parent_hw = __clk_get_hw(parent);
+			}
+
+			if (!best_diff || tmp_rate < rate)
+				break;
+		}
 
-	div = DIV_ROUND_CLOSEST(*parent_rate, rate);
-	if (div > SAM9X5_USB_MAX_DIV + 1)
-		div = SAM9X5_USB_MAX_DIV + 1;
+		if (!best_diff)
+			break;
+	}
 
-	return DIV_ROUND_CLOSEST(*parent_rate, div);
+	return best_rate;
 }
 
 static int at91sam9x5_clk_usb_set_parent(struct clk_hw *hw, u8 index)
@@ -121,7 +154,7 @@ static int at91sam9x5_clk_usb_set_rate(struct clk_hw *hw, unsigned long rate,
 
 static const struct clk_ops at91sam9x5_usb_ops = {
 	.recalc_rate = at91sam9x5_clk_usb_recalc_rate,
-	.round_rate = at91sam9x5_clk_usb_round_rate,
+	.determine_rate = at91sam9x5_clk_usb_determine_rate,
 	.get_parent = at91sam9x5_clk_usb_get_parent,
 	.set_parent = at91sam9x5_clk_usb_set_parent,
 	.set_rate = at91sam9x5_clk_usb_set_rate,
@@ -159,7 +192,7 @@ static const struct clk_ops at91sam9n12_usb_ops = {
 	.disable = at91sam9n12_clk_usb_disable,
 	.is_enabled = at91sam9n12_clk_usb_is_enabled,
 	.recalc_rate = at91sam9x5_clk_usb_recalc_rate,
-	.round_rate = at91sam9x5_clk_usb_round_rate,
+	.determine_rate = at91sam9x5_clk_usb_determine_rate,
 	.set_rate = at91sam9x5_clk_usb_set_rate,
 };
 
@@ -179,7 +212,8 @@ at91sam9x5_clk_register_usb(struct at91_pmc *pmc, const char *name,
 	init.ops = &at91sam9x5_usb_ops;
 	init.parent_names = parent_names;
 	init.num_parents = num_parents;
-	init.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE;
+	init.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE |
+		     CLK_SET_RATE_PARENT;
 
 	usb->hw.init = &init;
 	usb->pmc = pmc;
@@ -207,7 +241,7 @@ at91sam9n12_clk_register_usb(struct at91_pmc *pmc, const char *name,
 	init.ops = &at91sam9n12_usb_ops;
 	init.parent_names = &parent_name;
 	init.num_parents = 1;
-	init.flags = CLK_SET_RATE_GATE;
+	init.flags = CLK_SET_RATE_GATE | CLK_SET_RATE_PARENT;
 
 	usb->hw.init = &init;
 	usb->pmc = pmc;
diff --git a/drivers/clk/qcom/clk-rcg.c b/drivers/clk/qcom/clk-rcg.c
index 0039bd7d3965..466f30ca65c2 100644
--- a/drivers/clk/qcom/clk-rcg.c
+++ b/drivers/clk/qcom/clk-rcg.c
@@ -495,6 +495,57 @@ static int clk_rcg_bypass_set_rate(struct clk_hw *hw, unsigned long rate,
 	return __clk_rcg_set_rate(rcg, rcg->freq_tbl);
 }
 
+/*
+ * This type of clock has a glitch-free mux that switches between the output of
+ * the M/N counter and an always on clock source (XO). When clk_set_rate() is
+ * called we need to make sure that we don't switch to the M/N counter if it
+ * isn't clocking because the mux will get stuck and the clock will stop
+ * outputting a clock. This can happen if the framework isn't aware that this
+ * clock is on and so clk_set_rate() doesn't turn on the new parent. To fix
+ * this we switch the mux in the enable/disable ops and reprogram the M/N
+ * counter in the set_rate op. We also make sure to switch away from the M/N
+ * counter in set_rate if software thinks the clock is off.
+ */
+static int clk_rcg_lcc_set_rate(struct clk_hw *hw, unsigned long rate,
+				unsigned long parent_rate)
+{
+	struct clk_rcg *rcg = to_clk_rcg(hw);
+	const struct freq_tbl *f;
+	int ret;
+	u32 gfm = BIT(10);
+
+	f = qcom_find_freq(rcg->freq_tbl, rate);
+	if (!f)
+		return -EINVAL;
+
+	/* Switch to XO to avoid glitches */
+	regmap_update_bits(rcg->clkr.regmap, rcg->ns_reg, gfm, 0);
+	ret = __clk_rcg_set_rate(rcg, f);
+	/* Switch back to M/N if it's clocking */
+	if (__clk_is_enabled(hw->clk))
+		regmap_update_bits(rcg->clkr.regmap, rcg->ns_reg, gfm, gfm);
+
+	return ret;
+}
+
+static int clk_rcg_lcc_enable(struct clk_hw *hw)
+{
+	struct clk_rcg *rcg = to_clk_rcg(hw);
+	u32 gfm = BIT(10);
+
+	/* Use M/N */
+	return regmap_update_bits(rcg->clkr.regmap, rcg->ns_reg, gfm, gfm);
+}
+
+static void clk_rcg_lcc_disable(struct clk_hw *hw)
+{
+	struct clk_rcg *rcg = to_clk_rcg(hw);
+	u32 gfm = BIT(10);
+
+	/* Use XO */
+	regmap_update_bits(rcg->clkr.regmap, rcg->ns_reg, gfm, 0);
+}
+
 static int __clk_dyn_rcg_set_rate(struct clk_hw *hw, unsigned long rate)
 {
 	struct clk_dyn_rcg *rcg = to_clk_dyn_rcg(hw);
@@ -543,6 +594,17 @@ const struct clk_ops clk_rcg_bypass_ops = {
 };
 EXPORT_SYMBOL_GPL(clk_rcg_bypass_ops);
 
+const struct clk_ops clk_rcg_lcc_ops = {
+	.enable = clk_rcg_lcc_enable,
+	.disable = clk_rcg_lcc_disable,
+	.get_parent = clk_rcg_get_parent,
+	.set_parent = clk_rcg_set_parent,
+	.recalc_rate = clk_rcg_recalc_rate,
+	.determine_rate = clk_rcg_determine_rate,
+	.set_rate = clk_rcg_lcc_set_rate,
+};
+EXPORT_SYMBOL_GPL(clk_rcg_lcc_ops);
+
 const struct clk_ops clk_dyn_rcg_ops = {
 	.enable = clk_enable_regmap,
 	.is_enabled = clk_is_enabled_regmap,
diff --git a/drivers/clk/qcom/clk-rcg.h b/drivers/clk/qcom/clk-rcg.h
index 687e41f91d7c..d09d06ba278e 100644
--- a/drivers/clk/qcom/clk-rcg.h
+++ b/drivers/clk/qcom/clk-rcg.h
@@ -96,6 +96,7 @@ struct clk_rcg {
 
 extern const struct clk_ops clk_rcg_ops;
 extern const struct clk_ops clk_rcg_bypass_ops;
+extern const struct clk_ops clk_rcg_lcc_ops;
 
 #define to_clk_rcg(_hw) container_of(to_clk_regmap(_hw), struct clk_rcg, clkr)
 
diff --git a/drivers/clk/qcom/clk-rcg2.c b/drivers/clk/qcom/clk-rcg2.c
index 742acfa18d63..381f27469a9c 100644
--- a/drivers/clk/qcom/clk-rcg2.c
+++ b/drivers/clk/qcom/clk-rcg2.c
@@ -243,7 +243,7 @@ static int clk_rcg2_configure(struct clk_rcg2 *rcg, const struct freq_tbl *f)
 	mask |= CFG_SRC_SEL_MASK | CFG_MODE_MASK;
 	cfg = f->pre_div << CFG_SRC_DIV_SHIFT;
 	cfg |= rcg->parent_map[f->src] << CFG_SRC_SEL_SHIFT;
-	if (rcg->mnd_width && f->n)
+	if (rcg->mnd_width && f->n && (f->m != f->n))
 		cfg |= CFG_MODE_DUAL_EDGE;
 	ret = regmap_update_bits(rcg->clkr.regmap,
 			rcg->cmd_rcgr + CFG_REG, mask, cfg);
diff --git a/drivers/clk/qcom/gcc-ipq806x.c b/drivers/clk/qcom/gcc-ipq806x.c
index cbdc31dea7f4..a015bb06c09b 100644
--- a/drivers/clk/qcom/gcc-ipq806x.c
+++ b/drivers/clk/qcom/gcc-ipq806x.c
@@ -525,8 +525,8 @@ static struct freq_tbl clk_tbl_gsbi_qup[] = {
 	{ 10800000, P_PXO,  1, 2,  5 },
 	{ 15060000, P_PLL8, 1, 2, 51 },
 	{ 24000000, P_PLL8, 4, 1,  4 },
+	{ 25000000, P_PXO,  1, 0,  0 },
 	{ 25600000, P_PLL8, 1, 1, 15 },
-	{ 27000000, P_PXO,  1, 0,  0 },
 	{ 48000000, P_PLL8, 4, 1,  2 },
 	{ 51200000, P_PLL8, 1, 2, 15 },
 	{ }
diff --git a/drivers/clk/qcom/lcc-ipq806x.c b/drivers/clk/qcom/lcc-ipq806x.c
index c9ff27b4648b..a6d3a6745c4d 100644
--- a/drivers/clk/qcom/lcc-ipq806x.c
+++ b/drivers/clk/qcom/lcc-ipq806x.c
@@ -294,14 +294,14 @@ static struct clk_regmap_mux pcm_clk = {
 };
 
 static struct freq_tbl clk_tbl_aif_osr[] = {
-	{  22050, P_PLL4, 1, 147, 20480 },
-	{  32000, P_PLL4, 1,   1,    96 },
-	{  44100, P_PLL4, 1, 147, 10240 },
-	{  48000, P_PLL4, 1,   1,    64 },
-	{  88200, P_PLL4, 1, 147,  5120 },
-	{  96000, P_PLL4, 1,   1,    32 },
-	{ 176400, P_PLL4, 1, 147,  2560 },
-	{ 192000, P_PLL4, 1,   1,    16 },
+	{  2822400, P_PLL4, 1, 147, 20480 },
+	{  4096000, P_PLL4, 1,   1,    96 },
+	{  5644800, P_PLL4, 1, 147, 10240 },
+	{  6144000, P_PLL4, 1,   1,    64 },
+	{ 11289600, P_PLL4, 1, 147,  5120 },
+	{ 12288000, P_PLL4, 1,   1,    32 },
+	{ 22579200, P_PLL4, 1, 147,  2560 },
+	{ 24576000, P_PLL4, 1,   1,    16 },
 	{ },
 };
 
@@ -360,7 +360,7 @@ static struct clk_branch spdif_clk = {
 };
 
 static struct freq_tbl clk_tbl_ahbix[] = {
-	{ 131072, P_PLL4, 1, 1, 3 },
+	{ 131072000, P_PLL4, 1, 1, 3 },
 	{ },
 };
 
@@ -386,13 +386,12 @@ static struct clk_rcg ahbix_clk = {
 	.freq_tbl = clk_tbl_ahbix,
 	.clkr = {
 		.enable_reg = 0x38,
-		.enable_mask = BIT(10), /* toggle the gfmux to select mn/pxo */
+		.enable_mask = BIT(11),
 		.hw.init = &(struct clk_init_data){
 			.name = "ahbix",
 			.parent_names = lcc_pxo_pll4,
 			.num_parents = 2,
-			.ops = &clk_rcg_ops,
-			.flags = CLK_SET_RATE_GATE,
+			.ops = &clk_rcg_lcc_ops,
 		},
 	},
 };
diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index 51462e85675f..714d6ba782c8 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -1354,7 +1354,7 @@ static struct samsung_pll_clock exynos4x12_plls[nr_plls] __initdata = {
 			VPLL_LOCK, VPLL_CON0, NULL),
 };
 
-static void __init exynos4_core_down_clock(enum exynos4_soc soc)
+static void __init exynos4x12_core_down_clock(void)
 {
 	unsigned int tmp;
 
@@ -1373,11 +1373,9 @@ static void __init exynos4_core_down_clock(enum exynos4_soc soc)
 	__raw_writel(tmp, reg_base + PWR_CTRL1);
 
 	/*
-	 * Disable the clock up feature on Exynos4x12, in case it was
-	 * enabled by bootloader.
+	 * Disable the clock up feature in case it was enabled by bootloader.
 	 */
-	if (exynos4_soc == EXYNOS4X12)
-		__raw_writel(0x0, reg_base + E4X12_PWR_CTRL2);
+	__raw_writel(0x0, reg_base + E4X12_PWR_CTRL2);
 }
 
 /* register exynos4 clocks */
@@ -1474,7 +1472,8 @@ static void __init exynos4_clk_init(struct device_node *np,
 	samsung_clk_register_alias(ctx, exynos4_aliases,
 			ARRAY_SIZE(exynos4_aliases));
 
-	exynos4_core_down_clock(soc);
+	if (soc == EXYNOS4X12)
+		exynos4x12_core_down_clock();
 	exynos4_clk_sleep_init();
 
 	samsung_clk_of_add_provider(np, ctx);
diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c
index 9a893f2fe8e9..23ce0afefca5 100644
--- a/drivers/clk/tegra/clk-tegra124.c
+++ b/drivers/clk/tegra/clk-tegra124.c
@@ -1110,16 +1110,18 @@ static __init void tegra124_periph_clk_init(void __iomem *clk_base,
 					1, 2);
 	clks[TEGRA124_CLK_XUSB_SS_DIV2] = clk;
 
-	clk = clk_register_gate(NULL, "plld_dsi", "plld_out0", 0,
+	clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0,
 				clk_base + PLLD_MISC, 30, 0, &pll_d_lock);
-	clks[TEGRA124_CLK_PLLD_DSI] = clk;
+	clks[TEGRA124_CLK_PLL_D_DSI_OUT] = clk;
 
-	clk = tegra_clk_register_periph_gate("dsia", "plld_dsi", 0, clk_base,
-					     0, 48, periph_clk_enb_refcnt);
+	clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0,
+					     clk_base, 0, 48,
+					     periph_clk_enb_refcnt);
 	clks[TEGRA124_CLK_DSIA] = clk;
 
-	clk = tegra_clk_register_periph_gate("dsib", "plld_dsi", 0, clk_base,
-					     0, 82, periph_clk_enb_refcnt);
+	clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0,
+					     clk_base, 0, 82,
+					     periph_clk_enb_refcnt);
 	clks[TEGRA124_CLK_DSIB] = clk;
 
 	/* emc mux */
diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c
index 9ddb7547cb43..7a1df61847fc 100644
--- a/drivers/clk/tegra/clk.c
+++ b/drivers/clk/tegra/clk.c
@@ -272,7 +272,7 @@ void __init tegra_add_of_provider(struct device_node *np)
 	of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
 
 	rst_ctlr.of_node = np;
-	rst_ctlr.nr_resets = clk_num * 32;
+	rst_ctlr.nr_resets = periph_banks * 32;
 	reset_controller_register(&rst_ctlr);
 }
 
diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c
index 42f95a4326b0..9a28b7e07c71 100644
--- a/drivers/crypto/omap-aes.c
+++ b/drivers/crypto/omap-aes.c
@@ -554,15 +554,23 @@ static int omap_aes_crypt_dma_stop(struct omap_aes_dev *dd)
 	return err;
 }
 
-static int omap_aes_check_aligned(struct scatterlist *sg)
+static int omap_aes_check_aligned(struct scatterlist *sg, int total)
 {
+	int len = 0;
+
 	while (sg) {
 		if (!IS_ALIGNED(sg->offset, 4))
 			return -1;
 		if (!IS_ALIGNED(sg->length, AES_BLOCK_SIZE))
 			return -1;
+
+		len += sg->length;
 		sg = sg_next(sg);
 	}
+
+	if (len != total)
+		return -1;
+
 	return 0;
 }
 
@@ -633,8 +641,8 @@ static int omap_aes_handle_queue(struct omap_aes_dev *dd,
 	dd->in_sg = req->src;
 	dd->out_sg = req->dst;
 
-	if (omap_aes_check_aligned(dd->in_sg) ||
-	    omap_aes_check_aligned(dd->out_sg)) {
+	if (omap_aes_check_aligned(dd->in_sg, dd->total) ||
+	    omap_aes_check_aligned(dd->out_sg, dd->total)) {
 		if (omap_aes_copy_sgs(dd))
 			pr_err("Failed to copy SGs for unaligned cases\n");
 		dd->sgs_copied = 1;
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index d0bc123c7975..1a54205860f5 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -320,11 +320,13 @@ static void mvebu_gpio_edge_irq_mask(struct irq_data *d)
 {
 	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
 	struct mvebu_gpio_chip *mvchip = gc->private;
+	struct irq_chip_type *ct = irq_data_get_chip_type(d);
 	u32 mask = 1 << (d->irq - gc->irq_base);
 
 	irq_gc_lock(gc);
-	gc->mask_cache &= ~mask;
-	writel_relaxed(gc->mask_cache, mvebu_gpioreg_edge_mask(mvchip));
+	ct->mask_cache_priv &= ~mask;
+
+	writel_relaxed(ct->mask_cache_priv, mvebu_gpioreg_edge_mask(mvchip));
 	irq_gc_unlock(gc);
 }
 
@@ -332,11 +334,13 @@ static void mvebu_gpio_edge_irq_unmask(struct irq_data *d)
 {
 	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
 	struct mvebu_gpio_chip *mvchip = gc->private;
+	struct irq_chip_type *ct = irq_data_get_chip_type(d);
+
 	u32 mask = 1 << (d->irq - gc->irq_base);
 
 	irq_gc_lock(gc);
-	gc->mask_cache |= mask;
-	writel_relaxed(gc->mask_cache, mvebu_gpioreg_edge_mask(mvchip));
+	ct->mask_cache_priv |= mask;
+	writel_relaxed(ct->mask_cache_priv, mvebu_gpioreg_edge_mask(mvchip));
 	irq_gc_unlock(gc);
 }
 
@@ -344,11 +348,13 @@ static void mvebu_gpio_level_irq_mask(struct irq_data *d)
 {
 	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
 	struct mvebu_gpio_chip *mvchip = gc->private;
+	struct irq_chip_type *ct = irq_data_get_chip_type(d);
+
 	u32 mask = 1 << (d->irq - gc->irq_base);
 
 	irq_gc_lock(gc);
-	gc->mask_cache &= ~mask;
-	writel_relaxed(gc->mask_cache, mvebu_gpioreg_level_mask(mvchip));
+	ct->mask_cache_priv &= ~mask;
+	writel_relaxed(ct->mask_cache_priv, mvebu_gpioreg_level_mask(mvchip));
 	irq_gc_unlock(gc);
 }
 
@@ -356,11 +362,13 @@ static void mvebu_gpio_level_irq_unmask(struct irq_data *d)
 {
 	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
 	struct mvebu_gpio_chip *mvchip = gc->private;
+	struct irq_chip_type *ct = irq_data_get_chip_type(d);
+
 	u32 mask = 1 << (d->irq - gc->irq_base);
 
 	irq_gc_lock(gc);
-	gc->mask_cache |= mask;
-	writel_relaxed(gc->mask_cache, mvebu_gpioreg_level_mask(mvchip));
+	ct->mask_cache_priv |= mask;
+	writel_relaxed(ct->mask_cache_priv, mvebu_gpioreg_level_mask(mvchip));
 	irq_gc_unlock(gc);
 }
 
diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
index bf17a60b40ed..1dbfba58f909 100644
--- a/drivers/gpu/drm/exynos/exynos_dp_core.c
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
@@ -32,10 +32,16 @@
 #include <drm/bridge/ptn3460.h>
 
 #include "exynos_dp_core.h"
+#include "exynos_drm_fimd.h"
 
 #define ctx_from_connector(c)	container_of(c, struct exynos_dp_device, \
 					connector)
 
+static inline struct exynos_drm_crtc *dp_to_crtc(struct exynos_dp_device *dp)
+{
+	return to_exynos_crtc(dp->encoder->crtc);
+}
+
 static inline struct exynos_dp_device *
 display_to_dp(struct exynos_drm_display *d)
 {
@@ -1070,6 +1076,8 @@ static void exynos_dp_poweron(struct exynos_dp_device *dp)
 		}
 	}
 
+	fimd_dp_clock_enable(dp_to_crtc(dp), true);
+
 	clk_prepare_enable(dp->clock);
 	exynos_dp_phy_init(dp);
 	exynos_dp_init_dp(dp);
@@ -1094,6 +1102,8 @@ static void exynos_dp_poweroff(struct exynos_dp_device *dp)
 	exynos_dp_phy_exit(dp);
 	clk_disable_unprepare(dp->clock);
 
+	fimd_dp_clock_enable(dp_to_crtc(dp), false);
+
 	if (dp->panel) {
 		if (drm_panel_unprepare(dp->panel))
 			DRM_ERROR("failed to turnoff the panel\n");
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 33a10ce967ea..5d58f6cc0397 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -32,6 +32,7 @@
 #include "exynos_drm_fbdev.h"
 #include "exynos_drm_crtc.h"
 #include "exynos_drm_iommu.h"
+#include "exynos_drm_fimd.h"
 
 /*
  * FIMD stands for Fully Interactive Mobile Display and
@@ -1233,6 +1234,24 @@ static int fimd_remove(struct platform_device *pdev)
 	return 0;
 }
 
+void fimd_dp_clock_enable(struct exynos_drm_crtc *crtc, bool enable)
+{
+	struct fimd_context *ctx = crtc->ctx;
+	u32 val;
+
+	/*
+	 * Only Exynos 5250, 5260, 5410 and 542x requires enabling DP/MIE
+	 * clock. On these SoCs the bootloader may enable it but any
+	 * power domain off/on will reset it to disable state.
+	 */
+	if (ctx->driver_data != &exynos5_fimd_driver_data)
+		return;
+
+	val = enable ? DP_MIE_CLK_DP_ENABLE : DP_MIE_CLK_DISABLE;
+	writel(DP_MIE_CLK_DP_ENABLE, ctx->regs + DP_MIE_CLKCON);
+}
+EXPORT_SYMBOL_GPL(fimd_dp_clock_enable);
+
 struct platform_driver fimd_driver = {
 	.probe		= fimd_probe,
 	.remove		= fimd_remove,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.h b/drivers/gpu/drm/exynos/exynos_drm_fimd.h
new file mode 100644
index 000000000000..b4fcaa568456
--- /dev/null
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#ifndef _EXYNOS_DRM_FIMD_H_
+#define _EXYNOS_DRM_FIMD_H_
+
+extern void fimd_dp_clock_enable(struct exynos_drm_crtc *crtc, bool enable);
+
+#endif /* _EXYNOS_DRM_FIMD_H_ */
diff --git a/drivers/gpu/drm/i2c/adv7511.c b/drivers/gpu/drm/i2c/adv7511.c
index fa140e04d5fa..60ab1f75d58e 100644
--- a/drivers/gpu/drm/i2c/adv7511.c
+++ b/drivers/gpu/drm/i2c/adv7511.c
@@ -33,6 +33,7 @@ struct adv7511 {
 
 	unsigned int current_edid_segment;
 	uint8_t edid_buf[256];
+	bool edid_read;
 
 	wait_queue_head_t wq;
 	struct drm_encoder *encoder;
@@ -379,69 +380,71 @@ static bool adv7511_hpd(struct adv7511 *adv7511)
 	return false;
 }
 
-static irqreturn_t adv7511_irq_handler(int irq, void *devid)
-{
-	struct adv7511 *adv7511 = devid;
-
-	if (adv7511_hpd(adv7511))
-		drm_helper_hpd_irq_event(adv7511->encoder->dev);
-
-	wake_up_all(&adv7511->wq);
-
-	return IRQ_HANDLED;
-}
-
-static unsigned int adv7511_is_interrupt_pending(struct adv7511 *adv7511,
-						 unsigned int irq)
+static int adv7511_irq_process(struct adv7511 *adv7511)
 {
 	unsigned int irq0, irq1;
-	unsigned int pending;
 	int ret;
 
 	ret = regmap_read(adv7511->regmap, ADV7511_REG_INT(0), &irq0);
 	if (ret < 0)
-		return 0;
+		return ret;
+
 	ret = regmap_read(adv7511->regmap, ADV7511_REG_INT(1), &irq1);
 	if (ret < 0)
-		return 0;
+		return ret;
+
+	regmap_write(adv7511->regmap, ADV7511_REG_INT(0), irq0);
+	regmap_write(adv7511->regmap, ADV7511_REG_INT(1), irq1);
+
+	if (irq0 & ADV7511_INT0_HDP)
+		drm_helper_hpd_irq_event(adv7511->encoder->dev);
+
+	if (irq0 & ADV7511_INT0_EDID_READY || irq1 & ADV7511_INT1_DDC_ERROR) {
+		adv7511->edid_read = true;
+
+		if (adv7511->i2c_main->irq)
+			wake_up_all(&adv7511->wq);
+	}
+
+	return 0;
+}
 
-	pending = (irq1 << 8) | irq0;
+static irqreturn_t adv7511_irq_handler(int irq, void *devid)
+{
+	struct adv7511 *adv7511 = devid;
+	int ret;
 
-	return pending & irq;
+	ret = adv7511_irq_process(adv7511);
+	return ret < 0 ? IRQ_NONE : IRQ_HANDLED;
 }
 
-static int adv7511_wait_for_interrupt(struct adv7511 *adv7511, int irq,
-				      int timeout)
+/* -----------------------------------------------------------------------------
+ * EDID retrieval
+ */
+
+static int adv7511_wait_for_edid(struct adv7511 *adv7511, int timeout)
 {
-	unsigned int pending;
 	int ret;
 
 	if (adv7511->i2c_main->irq) {
 		ret = wait_event_interruptible_timeout(adv7511->wq,
-				adv7511_is_interrupt_pending(adv7511, irq),
-				msecs_to_jiffies(timeout));
-		if (ret <= 0)
-			return 0;
-		pending = adv7511_is_interrupt_pending(adv7511, irq);
+				adv7511->edid_read, msecs_to_jiffies(timeout));
 	} else {
-		if (timeout < 25)
-			timeout = 25;
-		do {
-			pending = adv7511_is_interrupt_pending(adv7511, irq);
-			if (pending)
+		for (; timeout > 0; timeout -= 25) {
+			ret = adv7511_irq_process(adv7511);
+			if (ret < 0)
 				break;
+
+			if (adv7511->edid_read)
+				break;
+
 			msleep(25);
-			timeout -= 25;
-		} while (timeout >= 25);
+		}
 	}
 
-	return pending;
+	return adv7511->edid_read ? 0 : -EIO;
 }
 
-/* -----------------------------------------------------------------------------
- * EDID retrieval
- */
-
 static int adv7511_get_edid_block(void *data, u8 *buf, unsigned int block,
 				  size_t len)
 {
@@ -463,19 +466,14 @@ static int adv7511_get_edid_block(void *data, u8 *buf, unsigned int block,
 			return ret;
 
 		if (status != 2) {
+			adv7511->edid_read = false;
 			regmap_write(adv7511->regmap, ADV7511_REG_EDID_SEGMENT,
 				     block);
-			ret = adv7511_wait_for_interrupt(adv7511,
-					ADV7511_INT0_EDID_READY |
-					ADV7511_INT1_DDC_ERROR, 200);
-
-			if (!(ret & ADV7511_INT0_EDID_READY))
-				return -EIO;
+			ret = adv7511_wait_for_edid(adv7511, 200);
+			if (ret < 0)
+				return ret;
 		}
 
-		regmap_write(adv7511->regmap, ADV7511_REG_INT(0),
-			     ADV7511_INT0_EDID_READY | ADV7511_INT1_DDC_ERROR);
-
 		/* Break this apart, hopefully more I2C controllers will
 		 * support 64 byte transfers than 256 byte transfers
 		 */
@@ -528,7 +526,9 @@ static int adv7511_get_modes(struct drm_encoder *encoder,
 	/* Reading the EDID only works if the device is powered */
 	if (adv7511->dpms_mode != DRM_MODE_DPMS_ON) {
 		regmap_write(adv7511->regmap, ADV7511_REG_INT(0),
-			     ADV7511_INT0_EDID_READY | ADV7511_INT1_DDC_ERROR);
+			     ADV7511_INT0_EDID_READY);
+		regmap_write(adv7511->regmap, ADV7511_REG_INT(1),
+			     ADV7511_INT1_DDC_ERROR);
 		regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER,
 				   ADV7511_POWER_POWER_DOWN, 0);
 		adv7511->current_edid_segment = -1;
@@ -563,7 +563,9 @@ static void adv7511_encoder_dpms(struct drm_encoder *encoder, int mode)
 		adv7511->current_edid_segment = -1;
 
 		regmap_write(adv7511->regmap, ADV7511_REG_INT(0),
-			     ADV7511_INT0_EDID_READY | ADV7511_INT1_DDC_ERROR);
+			     ADV7511_INT0_EDID_READY);
+		regmap_write(adv7511->regmap, ADV7511_REG_INT(1),
+			     ADV7511_INT1_DDC_ERROR);
 		regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER,
 				   ADV7511_POWER_POWER_DOWN, 0);
 		/*
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 5c66b568bb81..ec4d932f8be4 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1042,7 +1042,7 @@ static void vlv_save_gunit_s0ix_state(struct drm_i915_private *dev_priv)
 		s->lra_limits[i] = I915_READ(GEN7_LRA_LIMITS_BASE + i * 4);
 
 	s->media_max_req_count	= I915_READ(GEN7_MEDIA_MAX_REQ_COUNT);
-	s->gfx_max_req_count	= I915_READ(GEN7_MEDIA_MAX_REQ_COUNT);
+	s->gfx_max_req_count	= I915_READ(GEN7_GFX_MAX_REQ_COUNT);
 
 	s->render_hwsp		= I915_READ(RENDER_HWS_PGA_GEN7);
 	s->ecochk		= I915_READ(GAM_ECOCHK);
@@ -1124,7 +1124,7 @@ static void vlv_restore_gunit_s0ix_state(struct drm_i915_private *dev_priv)
 		I915_WRITE(GEN7_LRA_LIMITS_BASE + i * 4, s->lra_limits[i]);
 
 	I915_WRITE(GEN7_MEDIA_MAX_REQ_COUNT, s->media_max_req_count);
-	I915_WRITE(GEN7_MEDIA_MAX_REQ_COUNT, s->gfx_max_req_count);
+	I915_WRITE(GEN7_GFX_MAX_REQ_COUNT, s->gfx_max_req_count);
 
 	I915_WRITE(RENDER_HWS_PGA_GEN7,	s->render_hwsp);
 	I915_WRITE(GAM_ECOCHK,		s->ecochk);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index ede5bbbd8a08..07320cb32611 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3718,14 +3718,12 @@ static int i8xx_irq_postinstall(struct drm_device *dev)
 		~(I915_DISPLAY_PIPE_A_EVENT_INTERRUPT |
 		  I915_DISPLAY_PIPE_B_EVENT_INTERRUPT |
 		  I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT |
-		  I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT |
-		  I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT);
+		  I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT);
 	I915_WRITE16(IMR, dev_priv->irq_mask);
 
 	I915_WRITE16(IER,
 		     I915_DISPLAY_PIPE_A_EVENT_INTERRUPT |
 		     I915_DISPLAY_PIPE_B_EVENT_INTERRUPT |
-		     I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT |
 		     I915_USER_INTERRUPT);
 	POSTING_READ16(IER);
 
@@ -3887,14 +3885,12 @@ static int i915_irq_postinstall(struct drm_device *dev)
 		  I915_DISPLAY_PIPE_A_EVENT_INTERRUPT |
 		  I915_DISPLAY_PIPE_B_EVENT_INTERRUPT |
 		  I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT |
-		  I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT |
-		  I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT);
+		  I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT);
 
 	enable_mask =
 		I915_ASLE_INTERRUPT |
 		I915_DISPLAY_PIPE_A_EVENT_INTERRUPT |
 		I915_DISPLAY_PIPE_B_EVENT_INTERRUPT |
-		I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT |
 		I915_USER_INTERRUPT;
 
 	if (I915_HAS_HOTPLUG(dev)) {
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 33b3d0a24071..f536ff2628fd 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1740,6 +1740,7 @@ enum punit_power_well {
 #define   GMBUS_CYCLE_INDEX	(2<<25)
 #define   GMBUS_CYCLE_STOP	(4<<25)
 #define   GMBUS_BYTE_COUNT_SHIFT 16
+#define   GMBUS_BYTE_COUNT_MAX   256U
 #define   GMBUS_SLAVE_INDEX_SHIFT 8
 #define   GMBUS_SLAVE_ADDR_SHIFT 1
 #define   GMBUS_SLAVE_READ	(1<<0)
diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
index b31088a551f2..56e437e31580 100644
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -270,18 +270,17 @@ gmbus_wait_idle(struct drm_i915_private *dev_priv)
 }
 
 static int
-gmbus_xfer_read(struct drm_i915_private *dev_priv, struct i2c_msg *msg,
-		u32 gmbus1_index)
+gmbus_xfer_read_chunk(struct drm_i915_private *dev_priv,
+		      unsigned short addr, u8 *buf, unsigned int len,
+		      u32 gmbus1_index)
 {
 	int reg_offset = dev_priv->gpio_mmio_base;
-	u16 len = msg->len;
-	u8 *buf = msg->buf;
 
 	I915_WRITE(GMBUS1 + reg_offset,
 		   gmbus1_index |
 		   GMBUS_CYCLE_WAIT |
 		   (len << GMBUS_BYTE_COUNT_SHIFT) |
-		   (msg->addr << GMBUS_SLAVE_ADDR_SHIFT) |
+		   (addr << GMBUS_SLAVE_ADDR_SHIFT) |
 		   GMBUS_SLAVE_READ | GMBUS_SW_RDY);
 	while (len) {
 		int ret;
@@ -303,11 +302,35 @@ gmbus_xfer_read(struct drm_i915_private *dev_priv, struct i2c_msg *msg,
 }
 
 static int
-gmbus_xfer_write(struct drm_i915_private *dev_priv, struct i2c_msg *msg)
+gmbus_xfer_read(struct drm_i915_private *dev_priv, struct i2c_msg *msg,
+		u32 gmbus1_index)
 {
-	int reg_offset = dev_priv->gpio_mmio_base;
-	u16 len = msg->len;
 	u8 *buf = msg->buf;
+	unsigned int rx_size = msg->len;
+	unsigned int len;
+	int ret;
+
+	do {
+		len = min(rx_size, GMBUS_BYTE_COUNT_MAX);
+
+		ret = gmbus_xfer_read_chunk(dev_priv, msg->addr,
+					    buf, len, gmbus1_index);
+		if (ret)
+			return ret;
+
+		rx_size -= len;
+		buf += len;
+	} while (rx_size != 0);
+
+	return 0;
+}
+
+static int
+gmbus_xfer_write_chunk(struct drm_i915_private *dev_priv,
+		       unsigned short addr, u8 *buf, unsigned int len)
+{
+	int reg_offset = dev_priv->gpio_mmio_base;
+	unsigned int chunk_size = len;
 	u32 val, loop;
 
 	val = loop = 0;
@@ -319,8 +342,8 @@ gmbus_xfer_write(struct drm_i915_private *dev_priv, struct i2c_msg *msg)
 	I915_WRITE(GMBUS3 + reg_offset, val);
 	I915_WRITE(GMBUS1 + reg_offset,
 		   GMBUS_CYCLE_WAIT |
-		   (msg->len << GMBUS_BYTE_COUNT_SHIFT) |
-		   (msg->addr << GMBUS_SLAVE_ADDR_SHIFT) |
+		   (chunk_size << GMBUS_BYTE_COUNT_SHIFT) |
+		   (addr << GMBUS_SLAVE_ADDR_SHIFT) |
 		   GMBUS_SLAVE_WRITE | GMBUS_SW_RDY);
 	while (len) {
 		int ret;
@@ -337,6 +360,29 @@ gmbus_xfer_write(struct drm_i915_private *dev_priv, struct i2c_msg *msg)
 		if (ret)
 			return ret;
 	}
+
+	return 0;
+}
+
+static int
+gmbus_xfer_write(struct drm_i915_private *dev_priv, struct i2c_msg *msg)
+{
+	u8 *buf = msg->buf;
+	unsigned int tx_size = msg->len;
+	unsigned int len;
+	int ret;
+
+	do {
+		len = min(tx_size, GMBUS_BYTE_COUNT_MAX);
+
+		ret = gmbus_xfer_write_chunk(dev_priv, msg->addr, buf, len);
+		if (ret)
+			return ret;
+
+		buf += len;
+		tx_size -= len;
+	} while (tx_size != 0);
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 86807ee91bd1..9bd56116fd5a 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -330,8 +330,10 @@ atombios_set_crtc_dtd_timing(struct drm_crtc *crtc,
 		misc |= ATOM_COMPOSITESYNC;
 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 		misc |= ATOM_INTERLACE;
-	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+	if (mode->flags & DRM_MODE_FLAG_DBLCLK)
 		misc |= ATOM_DOUBLE_CLOCK_MODE;
+	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2;
 
 	args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
 	args.ucCRTC = radeon_crtc->crtc_id;
@@ -374,8 +376,10 @@ static void atombios_crtc_set_timing(struct drm_crtc *crtc,
 		misc |= ATOM_COMPOSITESYNC;
 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 		misc |= ATOM_INTERLACE;
-	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+	if (mode->flags & DRM_MODE_FLAG_DBLCLK)
 		misc |= ATOM_DOUBLE_CLOCK_MODE;
+	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2;
 
 	args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
 	args.ucCRTC = radeon_crtc->crtc_id;
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 9c4786759f16..7fe5590b328b 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -459,6 +459,10 @@
 #define USB_DEVICE_ID_UGCI_FLYING	0x0020
 #define USB_DEVICE_ID_UGCI_FIGHTING	0x0030
 
+#define USB_VENDOR_ID_HP		0x03f0
+#define USB_PRODUCT_ID_HP_LOGITECH_OEM_USB_OPTICAL_MOUSE	0x0a4a
+#define USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE		0x134a
+
 #define USB_VENDOR_ID_HUION		0x256c
 #define USB_DEVICE_ID_HUION_TABLET	0x006e
 
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index a82127753461..4e3ae9fbb9b5 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -78,6 +78,8 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
+	{ USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_LOGITECH_OEM_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
+	{ USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
 	{ USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_C077, HID_QUIRK_ALWAYS_POLL },
 	{ USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3, HID_QUIRK_NO_INIT_REPORTS },
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 2978f5ee8d2a..00bc30e0db7f 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -135,7 +135,7 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
 			   GFP_KERNEL);
 	if (!open_info) {
 		err = -ENOMEM;
-		goto error0;
+		goto error_gpadl;
 	}
 
 	init_completion(&open_info->waitevent);
@@ -151,7 +151,7 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
 
 	if (userdatalen > MAX_USER_DEFINED_BYTES) {
 		err = -EINVAL;
-		goto error0;
+		goto error_gpadl;
 	}
 
 	if (userdatalen)
@@ -195,6 +195,9 @@ error1:
 	list_del(&open_info->msglistentry);
 	spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags);
 
+error_gpadl:
+	vmbus_teardown_gpadl(newchannel, newchannel->ringbuffer_gpadlhandle);
+
 error0:
 	free_pages((unsigned long)out,
 		get_order(send_ringbuffer_size + recv_ringbuffer_size));
diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index 5f96b1b3e3a5..019d5426fe52 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -833,7 +833,7 @@ static int rk3x_i2c_xfer(struct i2c_adapter *adap,
 	clk_disable(i2c->clk);
 	spin_unlock_irqrestore(&i2c->lock, flags);
 
-	return ret;
+	return ret < 0 ? ret : num;
 }
 
 static u32 rk3x_i2c_func(struct i2c_adapter *adap)
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index edf274cabe81..8143162b374d 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -596,6 +596,7 @@ int i2c_generic_scl_recovery(struct i2c_adapter *adap)
 	adap->bus_recovery_info->set_scl(adap, 1);
 	return i2c_generic_recovery(adap);
 }
+EXPORT_SYMBOL_GPL(i2c_generic_scl_recovery);
 
 int i2c_generic_gpio_recovery(struct i2c_adapter *adap)
 {
@@ -610,6 +611,7 @@ int i2c_generic_gpio_recovery(struct i2c_adapter *adap)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(i2c_generic_gpio_recovery);
 
 int i2c_recover_bus(struct i2c_adapter *adap)
 {
@@ -619,6 +621,7 @@ int i2c_recover_bus(struct i2c_adapter *adap)
 	dev_dbg(&adap->dev, "Trying i2c bus recovery\n");
 	return adap->bus_recovery_info->recover_bus(adap);
 }
+EXPORT_SYMBOL_GPL(i2c_recover_bus);
 
 static int i2c_device_probe(struct device *dev)
 {
@@ -1410,6 +1413,8 @@ static int i2c_register_adapter(struct i2c_adapter *adap)
 
 	dev_dbg(&adap->dev, "adapter [%s] registered\n", adap->name);
 
+	pm_runtime_no_callbacks(&adap->dev);
+
 #ifdef CONFIG_I2C_COMPAT
 	res = class_compat_create_link(i2c_adapter_compat_class, &adap->dev,
 				       adap->dev.parent);
diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c
index 593f7ca9adc7..06cc1ff088f1 100644
--- a/drivers/i2c/i2c-mux.c
+++ b/drivers/i2c/i2c-mux.c
@@ -32,8 +32,9 @@ struct i2c_mux_priv {
 	struct i2c_algorithm algo;
 
 	struct i2c_adapter *parent;
-	void *mux_priv;	/* the mux chip/device */
-	u32  chan_id;	/* the channel id */
+	struct device *mux_dev;
+	void *mux_priv;
+	u32 chan_id;
 
 	int (*select)(struct i2c_adapter *, void *mux_priv, u32 chan_id);
 	int (*deselect)(struct i2c_adapter *, void *mux_priv, u32 chan_id);
@@ -119,6 +120,7 @@ struct i2c_adapter *i2c_add_mux_adapter(struct i2c_adapter *parent,
 
 	/* Set up private adapter data */
 	priv->parent = parent;
+	priv->mux_dev = mux_dev;
 	priv->mux_priv = mux_priv;
 	priv->chan_id = chan_id;
 	priv->select = select;
@@ -203,7 +205,7 @@ void i2c_del_mux_adapter(struct i2c_adapter *adap)
 	char symlink_name[20];
 
 	snprintf(symlink_name, sizeof(symlink_name), "channel-%u", priv->chan_id);
-	sysfs_remove_link(&adap->dev.parent->kobj, symlink_name);
+	sysfs_remove_link(&priv->mux_dev->kobj, symlink_name);
 
 	sysfs_remove_link(&priv->adap.dev.kobj, "mux_device");
 	i2c_del_adapter(adap);
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index b0e58522780d..44d1d7920202 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -218,18 +218,10 @@ static struct cpuidle_state byt_cstates[] = {
 		.enter = &intel_idle,
 		.enter_freeze = intel_idle_freeze, },
 	{
-		.name = "C1E-BYT",
-		.desc = "MWAIT 0x01",
-		.flags = MWAIT2flg(0x01),
-		.exit_latency = 15,
-		.target_residency = 30,
-		.enter = &intel_idle,
-		.enter_freeze = intel_idle_freeze, },
-	{
 		.name = "C6N-BYT",
 		.desc = "MWAIT 0x58",
 		.flags = MWAIT2flg(0x58) | CPUIDLE_FLAG_TLB_FLUSHED,
-		.exit_latency = 40,
+		.exit_latency = 300,
 		.target_residency = 275,
 		.enter = &intel_idle,
 		.enter_freeze = intel_idle_freeze, },
@@ -237,7 +229,7 @@ static struct cpuidle_state byt_cstates[] = {
 		.name = "C6S-BYT",
 		.desc = "MWAIT 0x52",
 		.flags = MWAIT2flg(0x52) | CPUIDLE_FLAG_TLB_FLUSHED,
-		.exit_latency = 140,
+		.exit_latency = 500,
 		.target_residency = 560,
 		.enter = &intel_idle,
 		.enter_freeze = intel_idle_freeze, },
@@ -246,7 +238,7 @@ static struct cpuidle_state byt_cstates[] = {
 		.desc = "MWAIT 0x60",
 		.flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TLB_FLUSHED,
 		.exit_latency = 1200,
-		.target_residency = 1500,
+		.target_residency = 4000,
 		.enter = &intel_idle,
 		.enter_freeze = intel_idle_freeze, },
 	{
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index 8c014b5dab4c..38acb3cfc545 100644
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -99,12 +99,15 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
 	if (dmasync)
 		dma_set_attr(DMA_ATTR_WRITE_BARRIER, &attrs);
 
+	if (!size)
+		return ERR_PTR(-EINVAL);
+
 	/*
 	 * If the combination of the addr and size requested for this memory
 	 * region causes an integer overflow, return error.
 	 */
-	if ((PAGE_ALIGN(addr + size) <= size) ||
-	    (PAGE_ALIGN(addr + size) <= addr))
+	if (((addr + size) < addr) ||
+	    PAGE_ALIGN(addr + size) < (addr + size))
 		return ERR_PTR(-EINVAL);
 
 	if (!can_do_mlock())
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index ed2bd6701f9b..fbde33a5228c 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -2605,8 +2605,7 @@ static int build_lso_seg(struct mlx4_wqe_lso_seg *wqe, struct ib_send_wr *wr,
 
 	memcpy(wqe->header, wr->wr.ud.header, wr->wr.ud.hlen);
 
-	*lso_hdr_sz  = cpu_to_be32((wr->wr.ud.mss - wr->wr.ud.hlen) << 16 |
-				   wr->wr.ud.hlen);
+	*lso_hdr_sz  = cpu_to_be32(wr->wr.ud.mss << 16 | wr->wr.ud.hlen);
 	*lso_seg_len = halign;
 	return 0;
 }
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index 20e859a6f1a6..76eb57b31a59 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -409,8 +409,8 @@ int iser_send_command(struct iscsi_conn *conn,
 	if (scsi_prot_sg_count(sc)) {
 		prot_buf->buf  = scsi_prot_sglist(sc);
 		prot_buf->size = scsi_prot_sg_count(sc);
-		prot_buf->data_len = data_buf->data_len >>
-				     ilog2(sc->device->sector_size) * 8;
+		prot_buf->data_len = (data_buf->data_len >>
+				     ilog2(sc->device->sector_size)) * 8;
 	}
 
 	if (hdr->flags & ISCSI_FLAG_CMD_READ) {
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 075b19cc78e8..147029adb885 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -222,7 +222,7 @@ fail:
 static void
 isert_free_rx_descriptors(struct isert_conn *isert_conn)
 {
-	struct ib_device *ib_dev = isert_conn->conn_cm_id->device;
+	struct ib_device *ib_dev = isert_conn->conn_device->ib_device;
 	struct iser_rx_desc *rx_desc;
 	int i;
 
@@ -719,8 +719,8 @@ out:
 static void
 isert_connect_release(struct isert_conn *isert_conn)
 {
-	struct ib_device *ib_dev = isert_conn->conn_cm_id->device;
 	struct isert_device *device = isert_conn->conn_device;
+	struct ib_device *ib_dev = device->ib_device;
 
 	isert_dbg("conn %p\n", isert_conn);
 
@@ -728,7 +728,8 @@ isert_connect_release(struct isert_conn *isert_conn)
 		isert_conn_free_fastreg_pool(isert_conn);
 
 	isert_free_rx_descriptors(isert_conn);
-	rdma_destroy_id(isert_conn->conn_cm_id);
+	if (isert_conn->conn_cm_id)
+		rdma_destroy_id(isert_conn->conn_cm_id);
 
 	if (isert_conn->conn_qp) {
 		struct isert_comp *comp = isert_conn->conn_qp->recv_cq->cq_context;
@@ -878,12 +879,15 @@ isert_disconnected_handler(struct rdma_cm_id *cma_id,
 	return 0;
 }
 
-static void
+static int
 isert_connect_error(struct rdma_cm_id *cma_id)
 {
 	struct isert_conn *isert_conn = cma_id->qp->qp_context;
 
+	isert_conn->conn_cm_id = NULL;
 	isert_put_conn(isert_conn);
+
+	return -1;
 }
 
 static int
@@ -912,7 +916,7 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
 	case RDMA_CM_EVENT_REJECTED:       /* FALLTHRU */
 	case RDMA_CM_EVENT_UNREACHABLE:    /* FALLTHRU */
 	case RDMA_CM_EVENT_CONNECT_ERROR:
-		isert_connect_error(cma_id);
+		ret = isert_connect_error(cma_id);
 		break;
 	default:
 		isert_err("Unhandled RDMA CMA event: %d\n", event->event);
@@ -1861,11 +1865,13 @@ isert_completion_rdma_read(struct iser_tx_desc *tx_desc,
 	cmd->i_state = ISTATE_RECEIVED_LAST_DATAOUT;
 	spin_unlock_bh(&cmd->istate_lock);
 
-	if (ret)
+	if (ret) {
+		target_put_sess_cmd(se_cmd->se_sess, se_cmd);
 		transport_send_check_condition_and_sense(se_cmd,
 							 se_cmd->pi_err, 0);
-	else
+	} else {
 		target_execute_cmd(se_cmd);
+	}
 }
 
 static void
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 27bcdbc950c9..ea6cb64dfb28 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -1159,13 +1159,14 @@ static void alps_report_bare_ps2_packet(struct psmouse *psmouse,
 					bool report_buttons)
 {
 	struct alps_data *priv = psmouse->private;
-	struct input_dev *dev;
+	struct input_dev *dev, *dev2 = NULL;
 
 	/* Figure out which device to use to report the bare packet */
 	if (priv->proto_version == ALPS_PROTO_V2 &&
 	    (priv->flags & ALPS_DUALPOINT)) {
 		/* On V2 devices the DualPoint Stick reports bare packets */
 		dev = priv->dev2;
+		dev2 = psmouse->dev;
 	} else if (unlikely(IS_ERR_OR_NULL(priv->dev3))) {
 		/* Register dev3 mouse if we received PS/2 packet first time */
 		if (!IS_ERR(priv->dev3))
@@ -1177,7 +1178,7 @@ static void alps_report_bare_ps2_packet(struct psmouse *psmouse,
 	}
 
 	if (report_buttons)
-		alps_report_buttons(dev, NULL,
+		alps_report_buttons(dev, dev2,
 				packet[0] & 1, packet[0] & 2, packet[0] & 4);
 
 	input_report_rel(dev, REL_X,
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 6e22682c8255..991dc6b20a58 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -893,6 +893,21 @@ static psmouse_ret_t elantech_process_byte(struct psmouse *psmouse)
 }
 
 /*
+ * This writes the reg_07 value again to the hardware at the end of every
+ * set_rate call because the register loses its value. reg_07 allows setting
+ * absolute mode on v4 hardware
+ */
+static void elantech_set_rate_restore_reg_07(struct psmouse *psmouse,
+		unsigned int rate)
+{
+	struct elantech_data *etd = psmouse->private;
+
+	etd->original_set_rate(psmouse, rate);
+	if (elantech_write_reg(psmouse, 0x07, etd->reg_07))
+		psmouse_err(psmouse, "restoring reg_07 failed\n");
+}
+
+/*
  * Put the touchpad into absolute mode
  */
 static int elantech_set_absolute_mode(struct psmouse *psmouse)
@@ -1094,6 +1109,8 @@ static int elantech_get_resolution_v4(struct psmouse *psmouse,
  * Asus K53SV              0x450f01        78, 15, 0c      2 hw buttons
  * Asus G46VW              0x460f02        00, 18, 0c      2 hw buttons
  * Asus G750JX             0x360f00        00, 16, 0c      2 hw buttons
+ * Asus TP500LN            0x381f17        10, 14, 0e      clickpad
+ * Asus X750JN             0x381f17        10, 14, 0e      clickpad
  * Asus UX31               0x361f00        20, 15, 0e      clickpad
  * Asus UX32VD             0x361f02        00, 15, 0e      clickpad
  * Avatar AVIU-145A2       0x361f00        ?               clickpad
@@ -1635,6 +1652,11 @@ int elantech_init(struct psmouse *psmouse)
 		goto init_fail;
 	}
 
+	if (etd->fw_version == 0x381f17) {
+		etd->original_set_rate = psmouse->set_rate;
+		psmouse->set_rate = elantech_set_rate_restore_reg_07;
+	}
+
 	if (elantech_set_input_params(psmouse)) {
 		psmouse_err(psmouse, "failed to query touchpad range.\n");
 		goto init_fail;
diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
index 6f3afec02f03..f965d1569cc3 100644
--- a/drivers/input/mouse/elantech.h
+++ b/drivers/input/mouse/elantech.h
@@ -142,6 +142,7 @@ struct elantech_data {
 	struct finger_pos mt[ETP_MAX_FINGERS];
 	unsigned char parity[256];
 	int (*send_cmd)(struct psmouse *psmouse, unsigned char c, unsigned char *param);
+	void (*original_set_rate)(struct psmouse *psmouse, unsigned int rate);
 };
 
 #ifdef CONFIG_MOUSE_PS2_ELANTECH
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 713a96237a80..414739295d04 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -925,11 +925,10 @@ static int crypt_convert(struct crypt_config *cc,
 
 		switch (r) {
 		/* async */
+		case -EINPROGRESS:
 		case -EBUSY:
 			wait_for_completion(&ctx->restart);
 			reinit_completion(&ctx->restart);
-			/* fall through*/
-		case -EINPROGRESS:
 			ctx->req = NULL;
 			ctx->cc_sector++;
 			continue;
@@ -1346,10 +1345,8 @@ static void kcryptd_async_done(struct crypto_async_request *async_req,
 	struct dm_crypt_io *io = container_of(ctx, struct dm_crypt_io, ctx);
 	struct crypt_config *cc = io->cc;
 
-	if (error == -EINPROGRESS) {
-		complete(&ctx->restart);
+	if (error == -EINPROGRESS)
 		return;
-	}
 
 	if (!error && cc->iv_gen_ops && cc->iv_gen_ops->post)
 		error = cc->iv_gen_ops->post(cc, iv_of_dmreq(cc, dmreq), dmreq);
@@ -1360,12 +1357,15 @@ static void kcryptd_async_done(struct crypto_async_request *async_req,
 	crypt_free_req(cc, req_of_dmreq(cc, dmreq), io->base_bio);
 
 	if (!atomic_dec_and_test(&ctx->cc_pending))
-		return;
+		goto done;
 
 	if (bio_data_dir(io->base_bio) == READ)
 		kcryptd_crypt_read_done(io);
 	else
 		kcryptd_crypt_write_io_submit(io, 1);
+done:
+	if (!completion_done(&ctx->restart))
+		complete(&ctx->restart);
 }
 
 static void kcryptd_crypt(struct work_struct *work)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 717daad71fb1..e6178787ce3d 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -249,6 +249,7 @@ static void md_make_request(struct request_queue *q, struct bio *bio)
 	const int rw = bio_data_dir(bio);
 	struct mddev *mddev = q->queuedata;
 	unsigned int sectors;
+	int cpu;
 
 	if (mddev == NULL || mddev->pers == NULL
 	    || !mddev->ready) {
@@ -284,7 +285,10 @@ static void md_make_request(struct request_queue *q, struct bio *bio)
 	sectors = bio_sectors(bio);
 	mddev->pers->make_request(mddev, bio);
 
-	generic_start_io_acct(rw, sectors, &mddev->gendisk->part0);
+	cpu = part_stat_lock();
+	part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
+	part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw], sectors);
+	part_stat_unlock();
 
 	if (atomic_dec_and_test(&mddev->active_io) && mddev->suspended)
 		wake_up(&mddev->sb_wait);
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 3ed9f42ddca6..3b5d7f704aa3 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -313,7 +313,7 @@ static struct strip_zone *find_zone(struct r0conf *conf,
 
 /*
  * remaps the bio to the target device. we separate two flows.
- * power 2 flow and a general flow for the sake of perfromance
+ * power 2 flow and a general flow for the sake of performance
 */
 static struct md_rdev *map_sector(struct mddev *mddev, struct strip_zone *zone,
 				sector_t sector, sector_t *sector_offset)
@@ -524,6 +524,7 @@ static void raid0_make_request(struct mddev *mddev, struct bio *bio)
 			split = bio;
 		}
 
+		sector = bio->bi_iter.bi_sector;
 		zone = find_zone(mddev->private, &sector);
 		tmp_dev = map_sector(mddev, zone, sector, &sector);
 		split->bi_bdev = tmp_dev->bdev;
diff --git a/drivers/media/rc/img-ir/img-ir-core.c b/drivers/media/rc/img-ir/img-ir-core.c
index 77c78de4f5bf..7020659f23c2 100644
--- a/drivers/media/rc/img-ir/img-ir-core.c
+++ b/drivers/media/rc/img-ir/img-ir-core.c
@@ -146,7 +146,7 @@ static int img_ir_remove(struct platform_device *pdev)
 {
 	struct img_ir_priv *priv = platform_get_drvdata(pdev);
 
-	free_irq(priv->irq, img_ir_isr);
+	free_irq(priv->irq, priv);
 	img_ir_remove_hw(priv);
 	img_ir_remove_raw(priv);
 
diff --git a/drivers/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c
index 65a326c5128f..749ad5603c9e 100644
--- a/drivers/media/usb/stk1160/stk1160-v4l.c
+++ b/drivers/media/usb/stk1160/stk1160-v4l.c
@@ -240,6 +240,11 @@ static int stk1160_stop_streaming(struct stk1160 *dev)
 	if (mutex_lock_interruptible(&dev->v4l_lock))
 		return -ERESTARTSYS;
 
+	/*
+	 * Once URBs are cancelled, the URB complete handler
+	 * won't be running. This is required to safely release the
+	 * current buffer (dev->isoc_ctl.buf).
+	 */
 	stk1160_cancel_isoc(dev);
 
 	/*
@@ -620,8 +625,16 @@ void stk1160_clear_queue(struct stk1160 *dev)
 		stk1160_info("buffer [%p/%d] aborted\n",
 				buf, buf->vb.v4l2_buf.index);
 	}
-	/* It's important to clear current buffer */
-	dev->isoc_ctl.buf = NULL;
+
+	/* It's important to release the current buffer */
+	if (dev->isoc_ctl.buf) {
+		buf = dev->isoc_ctl.buf;
+		dev->isoc_ctl.buf = NULL;
+
+		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+		stk1160_info("buffer [%p/%d] aborted\n",
+				buf, buf->vb.v4l2_buf.index);
+	}
 	spin_unlock_irqrestore(&dev->buf_lock, flags);
 }
 
diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c
index fc145d202c46..922a750640e8 100644
--- a/drivers/memstick/core/mspro_block.c
+++ b/drivers/memstick/core/mspro_block.c
@@ -758,7 +758,7 @@ static int mspro_block_complete_req(struct memstick_dev *card, int error)
 
 		if (error || (card->current_mrq.tpc == MSPRO_CMD_STOP)) {
 			if (msb->data_dir == READ) {
-				for (cnt = 0; cnt < msb->current_seg; cnt++)
+				for (cnt = 0; cnt < msb->current_seg; cnt++) {
 					t_len += msb->req_sg[cnt].length
 						 / msb->page_size;
 
@@ -766,6 +766,7 @@ static int mspro_block_complete_req(struct memstick_dev *card, int error)
 						t_len += msb->current_page - 1;
 
 					t_len *= msb->page_size;
+				}
 			}
 		} else
 			t_len = blk_rq_bytes(msb->block_req);
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index 2a87f69be53d..1aed3b7b8d9b 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -128,7 +128,7 @@ static int mfd_add_device(struct device *parent, int id,
 	int platform_id;
 	int r;
 
-	if (id < 0)
+	if (id == PLATFORM_DEVID_AUTO)
 		platform_id = id;
 	else
 		platform_id = id + cell->id;
diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index e8a4218b5726..459ed1b601db 100644
--- a/drivers/mmc/host/sunxi-mmc.c
+++ b/drivers/mmc/host/sunxi-mmc.c
@@ -930,7 +930,9 @@ static int sunxi_mmc_resource_request(struct sunxi_mmc_host *host,
 		return PTR_ERR(host->clk_sample);
 	}
 
-	host->reset = devm_reset_control_get(&pdev->dev, "ahb");
+	host->reset = devm_reset_control_get_optional(&pdev->dev, "ahb");
+	if (PTR_ERR(host->reset) == -EPROBE_DEFER)
+		return PTR_ERR(host->reset);
 
 	ret = clk_prepare_enable(host->clk_ahb);
 	if (ret) {
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index a31c3573d386..dba7e1c19dd7 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -1073,8 +1073,6 @@ EXPORT_SYMBOL(tmio_mmc_host_alloc);
 void tmio_mmc_host_free(struct tmio_mmc_host *host)
 {
 	mmc_free_host(host->mmc);
-
-	host->mmc = NULL;
 }
 EXPORT_SYMBOL(tmio_mmc_host_free);
 
diff --git a/drivers/mtd/ubi/attach.c b/drivers/mtd/ubi/attach.c
index 9d2e16f3150a..b5e154856994 100644
--- a/drivers/mtd/ubi/attach.c
+++ b/drivers/mtd/ubi/attach.c
@@ -410,7 +410,7 @@ int ubi_compare_lebs(struct ubi_device *ubi, const struct ubi_ainf_peb *aeb,
 		second_is_newer = !second_is_newer;
 	} else {
 		dbg_bld("PEB %d CRC is OK", pnum);
-		bitflips = !!err;
+		bitflips |= !!err;
 	}
 	mutex_unlock(&ubi->buf_mutex);
 
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index d647e504f9b1..d16fccf79179 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -455,7 +455,7 @@ static long vol_cdev_ioctl(struct file *file, unsigned int cmd,
 		/* Validate the request */
 		err = -EINVAL;
 		if (req.lnum < 0 || req.lnum >= vol->reserved_pebs ||
-		    req.bytes < 0 || req.lnum >= vol->usable_leb_size)
+		    req.bytes < 0 || req.bytes > vol->usable_leb_size)
 			break;
 
 		err = get_exclusive(desc);
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
index 16e34b37d134..8c9a710def99 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -1419,7 +1419,8 @@ int ubi_eba_init(struct ubi_device *ubi, struct ubi_attach_info *ai)
 				 * during re-size.
 				 */
 				ubi_move_aeb_to_list(av, aeb, &ai->erase);
-			vol->eba_tbl[aeb->lnum] = aeb->pnum;
+			else
+				vol->eba_tbl[aeb->lnum] = aeb->pnum;
 		}
 	}
 
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 8f7bde6a85d6..0bd92d816391 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -1002,7 +1002,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
 				int shutdown)
 {
 	int err, scrubbing = 0, torture = 0, protect = 0, erroneous = 0;
-	int vol_id = -1, uninitialized_var(lnum);
+	int vol_id = -1, lnum = -1;
 #ifdef CONFIG_MTD_UBI_FASTMAP
 	int anchor = wrk->anchor;
 #endif
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index 4085c4b31047..355d5fea5be9 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -531,20 +531,8 @@ struct bnx2x_fastpath {
 	struct napi_struct	napi;
 
 #ifdef CONFIG_NET_RX_BUSY_POLL
-	unsigned int state;
-#define BNX2X_FP_STATE_IDLE		      0
-#define BNX2X_FP_STATE_NAPI		(1 << 0)    /* NAPI owns this FP */
-#define BNX2X_FP_STATE_POLL		(1 << 1)    /* poll owns this FP */
-#define BNX2X_FP_STATE_DISABLED		(1 << 2)
-#define BNX2X_FP_STATE_NAPI_YIELD	(1 << 3)    /* NAPI yielded this FP */
-#define BNX2X_FP_STATE_POLL_YIELD	(1 << 4)    /* poll yielded this FP */
-#define BNX2X_FP_OWNED	(BNX2X_FP_STATE_NAPI | BNX2X_FP_STATE_POLL)
-#define BNX2X_FP_YIELD	(BNX2X_FP_STATE_NAPI_YIELD | BNX2X_FP_STATE_POLL_YIELD)
-#define BNX2X_FP_LOCKED	(BNX2X_FP_OWNED | BNX2X_FP_STATE_DISABLED)
-#define BNX2X_FP_USER_PEND (BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_POLL_YIELD)
-	/* protect state */
-	spinlock_t lock;
-#endif /* CONFIG_NET_RX_BUSY_POLL */
+	unsigned long		busy_poll_state;
+#endif
 
 	union host_hc_status_block	status_blk;
 	/* chip independent shortcuts into sb structure */
@@ -619,104 +607,83 @@ struct bnx2x_fastpath {
 #define bnx2x_fp_qstats(bp, fp)	(&((bp)->fp_stats[(fp)->index].eth_q_stats))
 
 #ifdef CONFIG_NET_RX_BUSY_POLL
-static inline void bnx2x_fp_init_lock(struct bnx2x_fastpath *fp)
+
+enum bnx2x_fp_state {
+	BNX2X_STATE_FP_NAPI	= BIT(0), /* NAPI handler owns the queue */
+
+	BNX2X_STATE_FP_NAPI_REQ_BIT = 1, /* NAPI would like to own the queue */
+	BNX2X_STATE_FP_NAPI_REQ = BIT(1),
+
+	BNX2X_STATE_FP_POLL_BIT = 2,
+	BNX2X_STATE_FP_POLL     = BIT(2), /* busy_poll owns the queue */
+
+	BNX2X_STATE_FP_DISABLE_BIT = 3, /* queue is dismantled */
+};
+
+static inline void bnx2x_fp_busy_poll_init(struct bnx2x_fastpath *fp)
 {
-	spin_lock_init(&fp->lock);
-	fp->state = BNX2X_FP_STATE_IDLE;
+	WRITE_ONCE(fp->busy_poll_state, 0);
 }
 
 /* called from the device poll routine to get ownership of a FP */
 static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp)
 {
-	bool rc = true;
-
-	spin_lock_bh(&fp->lock);
-	if (fp->state & BNX2X_FP_LOCKED) {
-		WARN_ON(fp->state & BNX2X_FP_STATE_NAPI);
-		fp->state |= BNX2X_FP_STATE_NAPI_YIELD;
-		rc = false;
-	} else {
-		/* we don't care if someone yielded */
-		fp->state = BNX2X_FP_STATE_NAPI;
+	unsigned long prev, old = READ_ONCE(fp->busy_poll_state);
+
+	while (1) {
+		switch (old) {
+		case BNX2X_STATE_FP_POLL:
+			/* make sure bnx2x_fp_lock_poll() wont starve us */
+			set_bit(BNX2X_STATE_FP_NAPI_REQ_BIT,
+				&fp->busy_poll_state);
+			/* fallthrough */
+		case BNX2X_STATE_FP_POLL | BNX2X_STATE_FP_NAPI_REQ:
+			return false;
+		default:
+			break;
+		}
+		prev = cmpxchg(&fp->busy_poll_state, old, BNX2X_STATE_FP_NAPI);
+		if (unlikely(prev != old)) {
+			old = prev;
+			continue;
+		}
+		return true;
 	}
-	spin_unlock_bh(&fp->lock);
-	return rc;
 }
 
-/* returns true is someone tried to get the FP while napi had it */
-static inline bool bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp)
+static inline void bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp)
 {
-	bool rc = false;
-
-	spin_lock_bh(&fp->lock);
-	WARN_ON(fp->state &
-		(BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_NAPI_YIELD));
-
-	if (fp->state & BNX2X_FP_STATE_POLL_YIELD)
-		rc = true;
-
-	/* state ==> idle, unless currently disabled */
-	fp->state &= BNX2X_FP_STATE_DISABLED;
-	spin_unlock_bh(&fp->lock);
-	return rc;
+	smp_wmb();
+	fp->busy_poll_state = 0;
 }
 
 /* called from bnx2x_low_latency_poll() */
 static inline bool bnx2x_fp_lock_poll(struct bnx2x_fastpath *fp)
 {
-	bool rc = true;
-
-	spin_lock_bh(&fp->lock);
-	if ((fp->state & BNX2X_FP_LOCKED)) {
-		fp->state |= BNX2X_FP_STATE_POLL_YIELD;
-		rc = false;
-	} else {
-		/* preserve yield marks */
-		fp->state |= BNX2X_FP_STATE_POLL;
-	}
-	spin_unlock_bh(&fp->lock);
-	return rc;
+	return cmpxchg(&fp->busy_poll_state, 0, BNX2X_STATE_FP_POLL) == 0;
 }
 
-/* returns true if someone tried to get the FP while it was locked */
-static inline bool bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp)
+static inline void bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp)
 {
-	bool rc = false;
-
-	spin_lock_bh(&fp->lock);
-	WARN_ON(fp->state & BNX2X_FP_STATE_NAPI);
-
-	if (fp->state & BNX2X_FP_STATE_POLL_YIELD)
-		rc = true;
-
-	/* state ==> idle, unless currently disabled */
-	fp->state &= BNX2X_FP_STATE_DISABLED;
-	spin_unlock_bh(&fp->lock);
-	return rc;
+	smp_mb__before_atomic();
+	clear_bit(BNX2X_STATE_FP_POLL_BIT, &fp->busy_poll_state);
 }
 
-/* true if a socket is polling, even if it did not get the lock */
+/* true if a socket is polling */
 static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp)
 {
-	WARN_ON(!(fp->state & BNX2X_FP_OWNED));
-	return fp->state & BNX2X_FP_USER_PEND;
+	return READ_ONCE(fp->busy_poll_state) & BNX2X_STATE_FP_POLL;
 }
 
 /* false if fp is currently owned */
 static inline bool bnx2x_fp_ll_disable(struct bnx2x_fastpath *fp)
 {
-	int rc = true;
-
-	spin_lock_bh(&fp->lock);
-	if (fp->state & BNX2X_FP_OWNED)
-		rc = false;
-	fp->state |= BNX2X_FP_STATE_DISABLED;
-	spin_unlock_bh(&fp->lock);
+	set_bit(BNX2X_STATE_FP_DISABLE_BIT, &fp->busy_poll_state);
+	return !bnx2x_fp_ll_polling(fp);
 
-	return rc;
 }
 #else
-static inline void bnx2x_fp_init_lock(struct bnx2x_fastpath *fp)
+static inline void bnx2x_fp_busy_poll_init(struct bnx2x_fastpath *fp)
 {
 }
 
@@ -725,9 +692,8 @@ static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp)
 	return true;
 }
 
-static inline bool bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp)
+static inline void bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp)
 {
-	return false;
 }
 
 static inline bool bnx2x_fp_lock_poll(struct bnx2x_fastpath *fp)
@@ -735,9 +701,8 @@ static inline bool bnx2x_fp_lock_poll(struct bnx2x_fastpath *fp)
 	return false;
 }
 
-static inline bool bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp)
+static inline void bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp)
 {
-	return false;
 }
 
 static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 0a9faa134a9a..2f63467bce46 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -1849,7 +1849,7 @@ static void bnx2x_napi_enable_cnic(struct bnx2x *bp)
 	int i;
 
 	for_each_rx_queue_cnic(bp, i) {
-		bnx2x_fp_init_lock(&bp->fp[i]);
+		bnx2x_fp_busy_poll_init(&bp->fp[i]);
 		napi_enable(&bnx2x_fp(bp, i, napi));
 	}
 }
@@ -1859,7 +1859,7 @@ static void bnx2x_napi_enable(struct bnx2x *bp)
 	int i;
 
 	for_each_eth_queue(bp, i) {
-		bnx2x_fp_init_lock(&bp->fp[i]);
+		bnx2x_fp_busy_poll_init(&bp->fp[i]);
 		napi_enable(&bnx2x_fp(bp, i, napi));
 	}
 }
@@ -3191,9 +3191,10 @@ static int bnx2x_poll(struct napi_struct *napi, int budget)
 			}
 		}
 
+		bnx2x_fp_unlock_napi(fp);
+
 		/* Fall out from the NAPI loop if needed */
-		if (!bnx2x_fp_unlock_napi(fp) &&
-		    !(bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
+		if (!(bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
 
 			/* No need to update SB for FCoE L2 ring as long as
 			 * it's connected to the default SB and the SB
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index 81d41539fcba..77bf1337d179 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -2165,7 +2165,7 @@ static void macb_configure_caps(struct macb *bp)
 		}
 	}
 
-	if (MACB_BFEXT(IDNUM, macb_readl(bp, MID)) == 0x2)
+	if (MACB_BFEXT(IDNUM, macb_readl(bp, MID)) >= 0x2)
 		bp->caps |= MACB_CAPS_MACB_IS_GEM;
 
 	if (macb_is_gem(bp)) {
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 7f997d36948f..a71c446631d1 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -144,6 +144,11 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
 static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
 				     struct e1000_rx_ring *rx_ring,
 				     int *work_done, int work_to_do);
+static void e1000_alloc_dummy_rx_buffers(struct e1000_adapter *adapter,
+					 struct e1000_rx_ring *rx_ring,
+					 int cleaned_count)
+{
+}
 static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
 				   struct e1000_rx_ring *rx_ring,
 				   int cleaned_count);
@@ -3552,8 +3557,11 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
 		msleep(1);
 	/* e1000_down has a dependency on max_frame_size */
 	hw->max_frame_size = max_frame;
-	if (netif_running(netdev))
+	if (netif_running(netdev)) {
+		/* prevent buffers from being reallocated */
+		adapter->alloc_rx_buf = e1000_alloc_dummy_rx_buffers;
 		e1000_down(adapter);
+	}
 
 	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
 	 * means we reserve 2 more, this pushes us to allocate from the next
diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c
index af829c578400..7ace07dad6a3 100644
--- a/drivers/net/ethernet/marvell/pxa168_eth.c
+++ b/drivers/net/ethernet/marvell/pxa168_eth.c
@@ -1508,7 +1508,8 @@ static int pxa168_eth_probe(struct platform_device *pdev)
 		np = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0);
 		if (!np) {
 			dev_err(&pdev->dev, "missing phy-handle\n");
-			return -EINVAL;
+			err = -EINVAL;
+			goto err_netdev;
 		}
 		of_property_read_u32(np, "reg", &pep->phy_addr);
 		pep->phy_intf = of_get_phy_mode(pdev->dev.of_node);
@@ -1526,7 +1527,7 @@ static int pxa168_eth_probe(struct platform_device *pdev)
 	pep->smi_bus = mdiobus_alloc();
 	if (pep->smi_bus == NULL) {
 		err = -ENOMEM;
-		goto err_base;
+		goto err_netdev;
 	}
 	pep->smi_bus->priv = pep;
 	pep->smi_bus->name = "pxa168_eth smi";
@@ -1551,13 +1552,10 @@ err_mdiobus:
 	mdiobus_unregister(pep->smi_bus);
 err_free_mdio:
 	mdiobus_free(pep->smi_bus);
-err_base:
-	iounmap(pep->base);
 err_netdev:
 	free_netdev(dev);
 err_clk:
-	clk_disable(clk);
-	clk_put(clk);
+	clk_disable_unprepare(clk);
 	return err;
 }
 
@@ -1574,13 +1572,9 @@ static int pxa168_eth_remove(struct platform_device *pdev)
 	if (pep->phy)
 		phy_disconnect(pep->phy);
 	if (pep->clk) {
-		clk_disable(pep->clk);
-		clk_put(pep->clk);
-		pep->clk = NULL;
+		clk_disable_unprepare(pep->clk);
 	}
 
-	iounmap(pep->base);
-	pep->base = NULL;
 	mdiobus_unregister(pep->smi_bus);
 	mdiobus_free(pep->smi_bus);
 	unregister_netdev(dev);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index a7b58ba8492b..3dccf01837db 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -981,20 +981,21 @@ static int mlx4_en_check_rxfh_func(struct net_device *dev, u8 hfunc)
 	struct mlx4_en_priv *priv = netdev_priv(dev);
 
 	/* check if requested function is supported by the device */
-	if ((hfunc == ETH_RSS_HASH_TOP &&
-	     !(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_TOP)) ||
-	    (hfunc == ETH_RSS_HASH_XOR &&
-	     !(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_XOR)))
-		return -EINVAL;
+	if (hfunc == ETH_RSS_HASH_TOP) {
+		if (!(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_TOP))
+			return -EINVAL;
+		if (!(dev->features & NETIF_F_RXHASH))
+			en_warn(priv, "Toeplitz hash function should be used in conjunction with RX hashing for optimal performance\n");
+		return 0;
+	} else if (hfunc == ETH_RSS_HASH_XOR) {
+		if (!(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_XOR))
+			return -EINVAL;
+		if (dev->features & NETIF_F_RXHASH)
+			en_warn(priv, "Enabling both XOR Hash function and RX Hashing can limit RPS functionality\n");
+		return 0;
+	}
 
-	priv->rss_hash_fn = hfunc;
-	if (hfunc == ETH_RSS_HASH_TOP && !(dev->features & NETIF_F_RXHASH))
-		en_warn(priv,
-			"Toeplitz hash function should be used in conjunction with RX hashing for optimal performance\n");
-	if (hfunc == ETH_RSS_HASH_XOR && (dev->features & NETIF_F_RXHASH))
-		en_warn(priv,
-			"Enabling both XOR Hash function and RX Hashing can limit RPS functionality\n");
-	return 0;
+	return -EINVAL;
 }
 
 static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key,
@@ -1068,6 +1069,8 @@ static int mlx4_en_set_rxfh(struct net_device *dev, const u32 *ring_index,
 		priv->prof->rss_rings = rss_rings;
 	if (key)
 		memcpy(priv->rss_key, key, MLX4_EN_RSS_KEY_SIZE);
+	if (hfunc !=  ETH_RSS_HASH_NO_CHANGE)
+		priv->rss_hash_fn = hfunc;
 
 	if (port_up) {
 		err = mlx4_en_start_port(dev);
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index af034dba9bd6..9d15566521a7 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -1716,6 +1716,7 @@ ppp_receive_frame(struct ppp *ppp, struct sk_buff *skb, struct channel *pch)
 {
 	/* note: a 0-length skb is used as an error indication */
 	if (skb->len > 0) {
+		skb_checksum_complete_unset(skb);
 #ifdef CONFIG_PPP_MULTILINK
 		/* XXX do channel-level decompression here */
 		if (PPP_PROTO(skb) == PPP_MP)
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index f8528a4cf54f..fceb637efd6b 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1713,12 +1713,6 @@ static int vxlan6_xmit_skb(struct dst_entry *dst, struct sk_buff *skb,
 		}
 	}
 
-	skb = iptunnel_handle_offloads(skb, udp_sum, type);
-	if (IS_ERR(skb)) {
-		err = -EINVAL;
-		goto err;
-	}
-
 	skb_scrub_packet(skb, xnet);
 
 	min_headroom = LL_RESERVED_SPACE(dst->dev) + dst->header_len
@@ -1738,6 +1732,12 @@ static int vxlan6_xmit_skb(struct dst_entry *dst, struct sk_buff *skb,
 		goto err;
 	}
 
+	skb = iptunnel_handle_offloads(skb, udp_sum, type);
+	if (IS_ERR(skb)) {
+		err = -EINVAL;
+		goto err;
+	}
+
 	vxh = (struct vxlanhdr *) __skb_push(skb, sizeof(*vxh));
 	vxh->vx_flags = htonl(VXLAN_HF_VNI);
 	vxh->vx_vni = md->vni;
@@ -1798,10 +1798,6 @@ int vxlan_xmit_skb(struct rtable *rt, struct sk_buff *skb,
 		}
 	}
 
-	skb = iptunnel_handle_offloads(skb, udp_sum, type);
-	if (IS_ERR(skb))
-		return PTR_ERR(skb);
-
 	min_headroom = LL_RESERVED_SPACE(rt->dst.dev) + rt->dst.header_len
 			+ VXLAN_HLEN + sizeof(struct iphdr)
 			+ (skb_vlan_tag_present(skb) ? VLAN_HLEN : 0);
@@ -1817,6 +1813,10 @@ int vxlan_xmit_skb(struct rtable *rt, struct sk_buff *skb,
 	if (WARN_ON(!skb))
 		return -ENOMEM;
 
+	skb = iptunnel_handle_offloads(skb, udp_sum, type);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
 	vxh = (struct vxlanhdr *) __skb_push(skb, sizeof(*vxh));
 	vxh->vx_flags = htonl(VXLAN_HF_VNI);
 	vxh->vx_vni = md->vni;
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
index 90a714c189a8..23806c243a53 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
@@ -321,6 +321,7 @@ static struct usb_device_id rtl8192c_usb_ids[] = {
 	{RTL_USB_DEVICE(0x07b8, 0x8188, rtl92cu_hal_cfg)}, /*Abocom - Abocom*/
 	{RTL_USB_DEVICE(0x07b8, 0x8189, rtl92cu_hal_cfg)}, /*Funai - Abocom*/
 	{RTL_USB_DEVICE(0x0846, 0x9041, rtl92cu_hal_cfg)}, /*NetGear WNA1000M*/
+	{RTL_USB_DEVICE(0x0b05, 0x17ba, rtl92cu_hal_cfg)}, /*ASUS-Edimax*/
 	{RTL_USB_DEVICE(0x0bda, 0x5088, rtl92cu_hal_cfg)}, /*Thinkware-CC&C*/
 	{RTL_USB_DEVICE(0x0df6, 0x0052, rtl92cu_hal_cfg)}, /*Sitecom - Edimax*/
 	{RTL_USB_DEVICE(0x0df6, 0x005c, rtl92cu_hal_cfg)}, /*Sitecom - Edimax*/
@@ -377,6 +378,7 @@ static struct usb_device_id rtl8192c_usb_ids[] = {
 	{RTL_USB_DEVICE(0x2001, 0x3307, rtl92cu_hal_cfg)}, /*D-Link-Cameo*/
 	{RTL_USB_DEVICE(0x2001, 0x3309, rtl92cu_hal_cfg)}, /*D-Link-Alpha*/
 	{RTL_USB_DEVICE(0x2001, 0x330a, rtl92cu_hal_cfg)}, /*D-Link-Alpha*/
+	{RTL_USB_DEVICE(0x2001, 0x330d, rtl92cu_hal_cfg)}, /*D-Link DWA-131 */
 	{RTL_USB_DEVICE(0x2019, 0xab2b, rtl92cu_hal_cfg)}, /*Planex -Abocom*/
 	{RTL_USB_DEVICE(0x20f4, 0x624d, rtl92cu_hal_cfg)}, /*TRENDNet*/
 	{RTL_USB_DEVICE(0x2357, 0x0100, rtl92cu_hal_cfg)}, /*TP-Link WN8200ND*/
diff --git a/drivers/net/wireless/ti/wl18xx/debugfs.c b/drivers/net/wireless/ti/wl18xx/debugfs.c
index c93fae95baac..5fbd2230f372 100644
--- a/drivers/net/wireless/ti/wl18xx/debugfs.c
+++ b/drivers/net/wireless/ti/wl18xx/debugfs.c
@@ -139,7 +139,7 @@ WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, protection_filter, "%u");
 WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, accum_arp_pend_requests, "%u");
 WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, max_arp_queue_dep, "%u");
 
-WL18XX_DEBUGFS_FWSTATS_FILE(rx_rate, rx_frames_per_rates, "%u");
+WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(rx_rate, rx_frames_per_rates, 50);
 
 WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(aggr_size, tx_agg_vs_rate,
 				  AGGR_STATS_TX_AGG*AGGR_STATS_TX_RATE);
diff --git a/drivers/net/wireless/ti/wlcore/debugfs.h b/drivers/net/wireless/ti/wlcore/debugfs.h
index 0f2cfb0d2a9e..bf14676e6515 100644
--- a/drivers/net/wireless/ti/wlcore/debugfs.h
+++ b/drivers/net/wireless/ti/wlcore/debugfs.h
@@ -26,8 +26,8 @@
 
 #include "wlcore.h"
 
-int wl1271_format_buffer(char __user *userbuf, size_t count,
-			 loff_t *ppos, char *fmt, ...);
+__printf(4, 5) int wl1271_format_buffer(char __user *userbuf, size_t count,
+					loff_t *ppos, char *fmt, ...);
 
 int wl1271_debugfs_init(struct wl1271 *wl);
 void wl1271_debugfs_exit(struct wl1271 *wl);
diff --git a/drivers/nfc/st21nfcb/i2c.c b/drivers/nfc/st21nfcb/i2c.c
index eb886932d972..7b53a5c84041 100644
--- a/drivers/nfc/st21nfcb/i2c.c
+++ b/drivers/nfc/st21nfcb/i2c.c
@@ -109,7 +109,7 @@ static int st21nfcb_nci_i2c_write(void *phy_id, struct sk_buff *skb)
 		return phy->ndlc->hard_fault;
 
 	r = i2c_master_send(client, skb->data, skb->len);
-	if (r == -EREMOTEIO) {  /* Retry, chip was in standby */
+	if (r < 0) {  /* Retry, chip was in standby */
 		usleep_range(1000, 4000);
 		r = i2c_master_send(client, skb->data, skb->len);
 	}
@@ -148,7 +148,7 @@ static int st21nfcb_nci_i2c_read(struct st21nfcb_i2c_phy *phy,
 	struct i2c_client *client = phy->i2c_dev;
 
 	r = i2c_master_recv(client, buf, ST21NFCB_NCI_I2C_MIN_SIZE);
-	if (r == -EREMOTEIO) {  /* Retry, chip was in standby */
+	if (r < 0) {  /* Retry, chip was in standby */
 		usleep_range(1000, 4000);
 		r = i2c_master_recv(client, buf, ST21NFCB_NCI_I2C_MIN_SIZE);
 	}
diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c
index 15c0fab2bfa1..bceb30b539f3 100644
--- a/drivers/platform/x86/compal-laptop.c
+++ b/drivers/platform/x86/compal-laptop.c
@@ -1026,9 +1026,9 @@ static int compal_probe(struct platform_device *pdev)
 	if (err)
 		return err;
 
-	hwmon_dev = hwmon_device_register_with_groups(&pdev->dev,
-						      "compal", data,
-						      compal_hwmon_groups);
+	hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev,
+							   "compal", data,
+							   compal_hwmon_groups);
 	if (IS_ERR(hwmon_dev)) {
 		err = PTR_ERR(hwmon_dev);
 		goto remove;
@@ -1036,7 +1036,9 @@ static int compal_probe(struct platform_device *pdev)
 
 	/* Power supply */
 	initialize_power_supply_data(data);
-	power_supply_register(&compal_device->dev, &data->psy);
+	err = power_supply_register(&compal_device->dev, &data->psy);
+	if (err < 0)
+		goto remove;
 
 	platform_set_drvdata(pdev, data);
 
diff --git a/drivers/power/ipaq_micro_battery.c b/drivers/power/ipaq_micro_battery.c
index 9d694605cdb7..96b15e003f3f 100644
--- a/drivers/power/ipaq_micro_battery.c
+++ b/drivers/power/ipaq_micro_battery.c
@@ -226,6 +226,7 @@ static struct power_supply micro_ac_power = {
 static int micro_batt_probe(struct platform_device *pdev)
 {
 	struct micro_battery *mb;
+	int ret;
 
 	mb = devm_kzalloc(&pdev->dev, sizeof(*mb), GFP_KERNEL);
 	if (!mb)
@@ -233,14 +234,30 @@ static int micro_batt_probe(struct platform_device *pdev)
 
 	mb->micro = dev_get_drvdata(pdev->dev.parent);
 	mb->wq = create_singlethread_workqueue("ipaq-battery-wq");
+	if (!mb->wq)
+		return -ENOMEM;
+
 	INIT_DELAYED_WORK(&mb->update, micro_battery_work);
 	platform_set_drvdata(pdev, mb);
 	queue_delayed_work(mb->wq, &mb->update, 1);
-	power_supply_register(&pdev->dev, &micro_batt_power);
-	power_supply_register(&pdev->dev, &micro_ac_power);
+
+	ret = power_supply_register(&pdev->dev, &micro_batt_power);
+	if (ret < 0)
+		goto batt_err;
+
+	ret = power_supply_register(&pdev->dev, &micro_ac_power);
+	if (ret < 0)
+		goto ac_err;
 
 	dev_info(&pdev->dev, "iPAQ micro battery driver\n");
 	return 0;
+
+ac_err:
+	power_supply_unregister(&micro_ac_power);
+batt_err:
+	cancel_delayed_work_sync(&mb->update);
+	destroy_workqueue(mb->wq);
+	return ret;
 }
 
 static int micro_batt_remove(struct platform_device *pdev)
@@ -251,6 +268,7 @@ static int micro_batt_remove(struct platform_device *pdev)
 	power_supply_unregister(&micro_ac_power);
 	power_supply_unregister(&micro_batt_power);
 	cancel_delayed_work_sync(&mb->update);
+	destroy_workqueue(mb->wq);
 
 	return 0;
 }
diff --git a/drivers/power/lp8788-charger.c b/drivers/power/lp8788-charger.c
index 21fc233c7d61..176dab2e4c16 100644
--- a/drivers/power/lp8788-charger.c
+++ b/drivers/power/lp8788-charger.c
@@ -417,8 +417,10 @@ static int lp8788_psy_register(struct platform_device *pdev,
 	pchg->battery.num_properties = ARRAY_SIZE(lp8788_battery_prop);
 	pchg->battery.get_property = lp8788_battery_get_property;
 
-	if (power_supply_register(&pdev->dev, &pchg->battery))
+	if (power_supply_register(&pdev->dev, &pchg->battery)) {
+		power_supply_unregister(&pchg->charger);
 		return -EPERM;
+	}
 
 	return 0;
 }
diff --git a/drivers/power/twl4030_madc_battery.c b/drivers/power/twl4030_madc_battery.c
index 7ef445a6cfa6..cf907609ec49 100644
--- a/drivers/power/twl4030_madc_battery.c
+++ b/drivers/power/twl4030_madc_battery.c
@@ -192,6 +192,7 @@ static int twl4030_madc_battery_probe(struct platform_device *pdev)
 {
 	struct twl4030_madc_battery *twl4030_madc_bat;
 	struct twl4030_madc_bat_platform_data *pdata = pdev->dev.platform_data;
+	int ret = 0;
 
 	twl4030_madc_bat = kzalloc(sizeof(*twl4030_madc_bat), GFP_KERNEL);
 	if (!twl4030_madc_bat)
@@ -216,9 +217,11 @@ static int twl4030_madc_battery_probe(struct platform_device *pdev)
 
 	twl4030_madc_bat->pdata = pdata;
 	platform_set_drvdata(pdev, twl4030_madc_bat);
-	power_supply_register(&pdev->dev, &twl4030_madc_bat->psy);
+	ret = power_supply_register(&pdev->dev, &twl4030_madc_bat->psy);
+	if (ret < 0)
+		kfree(twl4030_madc_bat);
 
-	return 0;
+	return ret;
 }
 
 static int twl4030_madc_battery_remove(struct platform_device *pdev)
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 675b5e7aba94..5a0800d19970 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -1584,11 +1584,11 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
 			fp_possible = io_info.fpOkForIo;
 	}
 
-	/* Use smp_processor_id() for now until cmd->request->cpu is CPU
+	/* Use raw_smp_processor_id() for now until cmd->request->cpu is CPU
 	   id by default, not CPU group id, otherwise all MSI-X queues won't
 	   be utilized */
 	cmd->request_desc->SCSIIO.MSIxIndex = instance->msix_vectors ?
-		smp_processor_id() % instance->msix_vectors : 0;
+		raw_smp_processor_id() % instance->msix_vectors : 0;
 
 	if (fp_possible) {
 		megasas_set_pd_lba(io_request, scp->cmd_len, &io_info, scp,
@@ -1693,7 +1693,10 @@ megasas_build_dcdb_fusion(struct megasas_instance *instance,
 			<< MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
 		cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
 		cmd->request_desc->SCSIIO.MSIxIndex =
-			instance->msix_vectors ? smp_processor_id() % instance->msix_vectors : 0;
+			instance->msix_vectors ?
+				raw_smp_processor_id() %
+					instance->msix_vectors :
+				0;
 		os_timeout_value = scmd->request->timeout / HZ;
 
 		if (instance->secure_jbod_support &&
diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
index 2d5ab6d969ec..454536c49315 100644
--- a/drivers/scsi/mvsas/mv_sas.c
+++ b/drivers/scsi/mvsas/mv_sas.c
@@ -441,14 +441,11 @@ static u32 mvs_get_ncq_tag(struct sas_task *task, u32 *tag)
 static int mvs_task_prep_ata(struct mvs_info *mvi,
 			     struct mvs_task_exec_info *tei)
 {
-	struct sas_ha_struct *sha = mvi->sas;
 	struct sas_task *task = tei->task;
 	struct domain_device *dev = task->dev;
 	struct mvs_device *mvi_dev = dev->lldd_dev;
 	struct mvs_cmd_hdr *hdr = tei->hdr;
 	struct asd_sas_port *sas_port = dev->port;
-	struct sas_phy *sphy = dev->phy;
-	struct asd_sas_phy *sas_phy = sha->sas_phy[sphy->number];
 	struct mvs_slot_info *slot;
 	void *buf_prd;
 	u32 tag = tei->tag, hdr_tag;
@@ -468,7 +465,7 @@ static int mvs_task_prep_ata(struct mvs_info *mvi,
 	slot->tx = mvi->tx_prod;
 	del_q = TXQ_MODE_I | tag |
 		(TXQ_CMD_STP << TXQ_CMD_SHIFT) |
-		(MVS_PHY_ID << TXQ_PHY_SHIFT) |
+		((sas_port->phy_mask & TXQ_PHY_MASK) << TXQ_PHY_SHIFT) |
 		(mvi_dev->taskfileset << TXQ_SRS_SHIFT);
 	mvi->tx[mvi->tx_prod] = cpu_to_le32(del_q);
 
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 6b78476d04bb..3290a3ed5b31 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3100,6 +3100,7 @@ static void scsi_disk_release(struct device *dev)
 	ida_remove(&sd_index_ida, sdkp->index);
 	spin_unlock(&sd_index_lock);
 
+	blk_integrity_unregister(disk);
 	disk->private_data = NULL;
 	put_disk(disk);
 	put_device(&sdkp->device->sdev_gendev);
diff --git a/drivers/scsi/sd_dif.c b/drivers/scsi/sd_dif.c
index 14c7d42a11c2..5c06d292b94c 100644
--- a/drivers/scsi/sd_dif.c
+++ b/drivers/scsi/sd_dif.c
@@ -77,7 +77,7 @@ void sd_dif_config_host(struct scsi_disk *sdkp)
 
 		disk->integrity->flags |= BLK_INTEGRITY_DEVICE_CAPABLE;
 
-		if (!sdkp)
+		if (!sdkp->ATO)
 			return;
 
 		if (type == SD_DIF_TYPE3_PROTECTION)
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index efc6e446b6c8..bf8c5c1e254e 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -746,21 +746,22 @@ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl,
 			if (bounce_sgl[j].length == PAGE_SIZE) {
 				/* full..move to next entry */
 				sg_kunmap_atomic(bounce_addr);
+				bounce_addr = 0;
 				j++;
+			}
 
-				/* if we need to use another bounce buffer */
-				if (srclen || i != orig_sgl_count - 1)
-					bounce_addr = sg_kmap_atomic(bounce_sgl,j);
+			/* if we need to use another bounce buffer */
+			if (srclen && bounce_addr == 0)
+				bounce_addr = sg_kmap_atomic(bounce_sgl, j);
 
-			} else if (srclen == 0 && i == orig_sgl_count - 1) {
-				/* unmap the last bounce that is < PAGE_SIZE */
-				sg_kunmap_atomic(bounce_addr);
-			}
 		}
 
 		sg_kunmap_atomic(src_addr - orig_sgl[i].offset);
 	}
 
+	if (bounce_addr)
+		sg_kunmap_atomic(bounce_addr);
+
 	local_irq_restore(flags);
 
 	return total_copied;
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 6fea4af51c41..aea3a67e5ce1 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -370,8 +370,6 @@ static int __maybe_unused mx51_ecspi_config(struct spi_imx_data *spi_imx,
 	if (spi_imx->dma_is_inited) {
 		dma = readl(spi_imx->base + MX51_ECSPI_DMA);
 
-		spi_imx->tx_wml = spi_imx_get_fifosize(spi_imx) / 2;
-		spi_imx->rx_wml = spi_imx_get_fifosize(spi_imx) / 2;
 		spi_imx->rxt_wml = spi_imx_get_fifosize(spi_imx) / 2;
 		rx_wml_cfg = spi_imx->rx_wml << MX51_ECSPI_DMA_RX_WML_OFFSET;
 		tx_wml_cfg = spi_imx->tx_wml << MX51_ECSPI_DMA_TX_WML_OFFSET;
@@ -868,6 +866,8 @@ static int spi_imx_sdma_init(struct device *dev, struct spi_imx_data *spi_imx,
 	master->max_dma_len = MAX_SDMA_BD_BYTES;
 	spi_imx->bitbang.master->flags = SPI_MASTER_MUST_RX |
 					 SPI_MASTER_MUST_TX;
+	spi_imx->tx_wml = spi_imx_get_fifosize(spi_imx) / 2;
+	spi_imx->rx_wml = spi_imx_get_fifosize(spi_imx) / 2;
 	spi_imx->dma_is_inited = 1;
 
 	return 0;
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index 4eb7a980e670..7bf51860fd08 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -245,7 +245,10 @@ static int spidev_message(struct spidev_data *spidev,
 		k_tmp->len = u_tmp->len;
 
 		total += k_tmp->len;
-		if (total > bufsiz) {
+		/* Check total length of transfers.  Also check each
+		 * transfer length to avoid arithmetic overflow.
+		 */
+		if (total > bufsiz || k_tmp->len > bufsiz) {
 			status = -EMSGSIZE;
 			goto done;
 		}
diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c
index 7bdb62bf6b40..f83e00c78051 100644
--- a/drivers/staging/android/sync.c
+++ b/drivers/staging/android/sync.c
@@ -114,7 +114,7 @@ void sync_timeline_signal(struct sync_timeline *obj)
 	list_for_each_entry_safe(pt, next, &obj->active_list_head,
 				 active_list) {
 		if (fence_is_signaled_locked(&pt->base))
-			list_del(&pt->active_list);
+			list_del_init(&pt->active_list);
 	}
 
 	spin_unlock_irqrestore(&obj->child_list_lock, flags);
diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c
index 6ed35b6ecf0d..04fc217481c7 100644
--- a/drivers/staging/panel/panel.c
+++ b/drivers/staging/panel/panel.c
@@ -335,11 +335,11 @@ static unsigned char lcd_bits[LCD_PORTS][LCD_BITS][BIT_STATES];
  * LCD types
  */
 #define LCD_TYPE_NONE		0
-#define LCD_TYPE_OLD		1
-#define LCD_TYPE_KS0074		2
-#define LCD_TYPE_HANTRONIX	3
-#define LCD_TYPE_NEXCOM		4
-#define LCD_TYPE_CUSTOM		5
+#define LCD_TYPE_CUSTOM		1
+#define LCD_TYPE_OLD		2
+#define LCD_TYPE_KS0074		3
+#define LCD_TYPE_HANTRONIX	4
+#define LCD_TYPE_NEXCOM		5
 
 /*
  * keypad types
@@ -502,7 +502,7 @@ MODULE_PARM_DESC(keypad_type,
 static int lcd_type = NOT_SET;
 module_param(lcd_type, int, 0000);
 MODULE_PARM_DESC(lcd_type,
-		 "LCD type: 0=none, 1=old //, 2=serial ks0074, 3=hantronix //, 4=nexcom //, 5=compiled-in");
+		 "LCD type: 0=none, 1=compiled-in, 2=old, 3=serial ks0074, 4=hantronix, 5=nexcom");
 
 static int lcd_height = NOT_SET;
 module_param(lcd_height, int, 0000);
diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c
index 07ce3fd88e70..fdf5c56251e5 100644
--- a/drivers/staging/vt6655/rxtx.c
+++ b/drivers/staging/vt6655/rxtx.c
@@ -1308,10 +1308,18 @@ int vnt_generate_fifo_header(struct vnt_private *priv, u32 dma_idx,
 			    priv->hw->conf.chandef.chan->hw_value);
 	}
 
-	if (current_rate > RATE_11M)
-		pkt_type = (u8)priv->byPacketType;
-	else
+	if (current_rate > RATE_11M) {
+		if (info->band == IEEE80211_BAND_5GHZ) {
+			pkt_type = PK_TYPE_11A;
+		} else {
+			if (tx_rate->flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
+				pkt_type = PK_TYPE_11GB;
+			else
+				pkt_type = PK_TYPE_11GA;
+		}
+	} else {
 		pkt_type = PK_TYPE_11B;
+	}
 
 	/*Set fifo controls */
 	if (pkt_type == PK_TYPE_11A)
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 77d64251af40..5e3561243eda 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -537,7 +537,7 @@ static struct iscsit_transport iscsi_target_transport = {
 
 static int __init iscsi_target_init_module(void)
 {
-	int ret = 0;
+	int ret = 0, size;
 
 	pr_debug("iSCSI-Target "ISCSIT_VERSION"\n");
 
@@ -546,6 +546,7 @@ static int __init iscsi_target_init_module(void)
 		pr_err("Unable to allocate memory for iscsit_global\n");
 		return -1;
 	}
+	spin_lock_init(&iscsit_global->ts_bitmap_lock);
 	mutex_init(&auth_id_lock);
 	spin_lock_init(&sess_idr_lock);
 	idr_init(&tiqn_idr);
@@ -555,15 +556,11 @@ static int __init iscsi_target_init_module(void)
 	if (ret < 0)
 		goto out;
 
-	ret = iscsi_thread_set_init();
-	if (ret < 0)
+	size = BITS_TO_LONGS(ISCSIT_BITMAP_BITS) * sizeof(long);
+	iscsit_global->ts_bitmap = vzalloc(size);
+	if (!iscsit_global->ts_bitmap) {
+		pr_err("Unable to allocate iscsit_global->ts_bitmap\n");
 		goto configfs_out;
-
-	if (iscsi_allocate_thread_sets(TARGET_THREAD_SET_COUNT) !=
-			TARGET_THREAD_SET_COUNT) {
-		pr_err("iscsi_allocate_thread_sets() returned"
-			" unexpected value!\n");
-		goto ts_out1;
 	}
 
 	lio_qr_cache = kmem_cache_create("lio_qr_cache",
@@ -572,7 +569,7 @@ static int __init iscsi_target_init_module(void)
 	if (!lio_qr_cache) {
 		pr_err("nable to kmem_cache_create() for"
 				" lio_qr_cache\n");
-		goto ts_out2;
+		goto bitmap_out;
 	}
 
 	lio_dr_cache = kmem_cache_create("lio_dr_cache",
@@ -617,10 +614,8 @@ dr_out:
 	kmem_cache_destroy(lio_dr_cache);
 qr_out:
 	kmem_cache_destroy(lio_qr_cache);
-ts_out2:
-	iscsi_deallocate_thread_sets();
-ts_out1:
-	iscsi_thread_set_free();
+bitmap_out:
+	vfree(iscsit_global->ts_bitmap);
 configfs_out:
 	iscsi_target_deregister_configfs();
 out:
@@ -630,8 +625,6 @@ out:
 
 static void __exit iscsi_target_cleanup_module(void)
 {
-	iscsi_deallocate_thread_sets();
-	iscsi_thread_set_free();
 	iscsit_release_discovery_tpg();
 	iscsit_unregister_transport(&iscsi_target_transport);
 	kmem_cache_destroy(lio_qr_cache);
@@ -641,6 +634,7 @@ static void __exit iscsi_target_cleanup_module(void)
 
 	iscsi_target_deregister_configfs();
 
+	vfree(iscsit_global->ts_bitmap);
 	kfree(iscsit_global);
 }
 
@@ -3715,17 +3709,16 @@ static int iscsit_send_reject(
 
 void iscsit_thread_get_cpumask(struct iscsi_conn *conn)
 {
-	struct iscsi_thread_set *ts = conn->thread_set;
 	int ord, cpu;
 	/*
-	 * thread_id is assigned from iscsit_global->ts_bitmap from
-	 * within iscsi_thread_set.c:iscsi_allocate_thread_sets()
+	 * bitmap_id is assigned from iscsit_global->ts_bitmap from
+	 * within iscsit_start_kthreads()
 	 *
-	 * Here we use thread_id to determine which CPU that this
-	 * iSCSI connection's iscsi_thread_set will be scheduled to
+	 * Here we use bitmap_id to determine which CPU that this
+	 * iSCSI connection's RX/TX threads will be scheduled to
 	 * execute upon.
 	 */
-	ord = ts->thread_id % cpumask_weight(cpu_online_mask);
+	ord = conn->bitmap_id % cpumask_weight(cpu_online_mask);
 	for_each_online_cpu(cpu) {
 		if (ord-- == 0) {
 			cpumask_set_cpu(cpu, conn->conn_cpumask);
@@ -3914,7 +3907,7 @@ check_rsp_state:
 	switch (state) {
 	case ISTATE_SEND_LOGOUTRSP:
 		if (!iscsit_logout_post_handler(cmd, conn))
-			goto restart;
+			return -ECONNRESET;
 		/* fall through */
 	case ISTATE_SEND_STATUS:
 	case ISTATE_SEND_ASYNCMSG:
@@ -3942,8 +3935,6 @@ check_rsp_state:
 
 err:
 	return -1;
-restart:
-	return -EAGAIN;
 }
 
 static int iscsit_handle_response_queue(struct iscsi_conn *conn)
@@ -3970,21 +3961,13 @@ static int iscsit_handle_response_queue(struct iscsi_conn *conn)
 int iscsi_target_tx_thread(void *arg)
 {
 	int ret = 0;
-	struct iscsi_conn *conn;
-	struct iscsi_thread_set *ts = arg;
+	struct iscsi_conn *conn = arg;
 	/*
 	 * Allow ourselves to be interrupted by SIGINT so that a
 	 * connection recovery / failure event can be triggered externally.
 	 */
 	allow_signal(SIGINT);
 
-restart:
-	conn = iscsi_tx_thread_pre_handler(ts);
-	if (!conn)
-		goto out;
-
-	ret = 0;
-
 	while (!kthread_should_stop()) {
 		/*
 		 * Ensure that both TX and RX per connection kthreads
@@ -3993,11 +3976,9 @@ restart:
 		iscsit_thread_check_cpumask(conn, current, 1);
 
 		wait_event_interruptible(conn->queues_wq,
-					 !iscsit_conn_all_queues_empty(conn) ||
-					 ts->status == ISCSI_THREAD_SET_RESET);
+					 !iscsit_conn_all_queues_empty(conn));
 
-		if ((ts->status == ISCSI_THREAD_SET_RESET) ||
-		     signal_pending(current))
+		if (signal_pending(current))
 			goto transport_err;
 
 get_immediate:
@@ -4008,15 +3989,14 @@ get_immediate:
 		ret = iscsit_handle_response_queue(conn);
 		if (ret == 1)
 			goto get_immediate;
-		else if (ret == -EAGAIN)
-			goto restart;
+		else if (ret == -ECONNRESET)
+			goto out;
 		else if (ret < 0)
 			goto transport_err;
 	}
 
 transport_err:
 	iscsit_take_action_for_connection_exit(conn);
-	goto restart;
 out:
 	return 0;
 }
@@ -4111,8 +4091,7 @@ int iscsi_target_rx_thread(void *arg)
 	int ret;
 	u8 buffer[ISCSI_HDR_LEN], opcode;
 	u32 checksum = 0, digest = 0;
-	struct iscsi_conn *conn = NULL;
-	struct iscsi_thread_set *ts = arg;
+	struct iscsi_conn *conn = arg;
 	struct kvec iov;
 	/*
 	 * Allow ourselves to be interrupted by SIGINT so that a
@@ -4120,11 +4099,6 @@ int iscsi_target_rx_thread(void *arg)
 	 */
 	allow_signal(SIGINT);
 
-restart:
-	conn = iscsi_rx_thread_pre_handler(ts);
-	if (!conn)
-		goto out;
-
 	if (conn->conn_transport->transport_type == ISCSI_INFINIBAND) {
 		struct completion comp;
 		int rc;
@@ -4134,7 +4108,7 @@ restart:
 		if (rc < 0)
 			goto transport_err;
 
-		goto out;
+		goto transport_err;
 	}
 
 	while (!kthread_should_stop()) {
@@ -4210,8 +4184,6 @@ transport_err:
 	if (!signal_pending(current))
 		atomic_set(&conn->transport_failed, 1);
 	iscsit_take_action_for_connection_exit(conn);
-	goto restart;
-out:
 	return 0;
 }
 
@@ -4273,7 +4245,24 @@ int iscsit_close_connection(
 	if (conn->conn_transport->transport_type == ISCSI_TCP)
 		complete(&conn->conn_logout_comp);
 
-	iscsi_release_thread_set(conn);
+	if (!strcmp(current->comm, ISCSI_RX_THREAD_NAME)) {
+		if (conn->tx_thread &&
+		    cmpxchg(&conn->tx_thread_active, true, false)) {
+			send_sig(SIGINT, conn->tx_thread, 1);
+			kthread_stop(conn->tx_thread);
+		}
+	} else if (!strcmp(current->comm, ISCSI_TX_THREAD_NAME)) {
+		if (conn->rx_thread &&
+		    cmpxchg(&conn->rx_thread_active, true, false)) {
+			send_sig(SIGINT, conn->rx_thread, 1);
+			kthread_stop(conn->rx_thread);
+		}
+	}
+
+	spin_lock(&iscsit_global->ts_bitmap_lock);
+	bitmap_release_region(iscsit_global->ts_bitmap, conn->bitmap_id,
+			      get_order(1));
+	spin_unlock(&iscsit_global->ts_bitmap_lock);
 
 	iscsit_stop_timers_for_cmds(conn);
 	iscsit_stop_nopin_response_timer(conn);
@@ -4551,15 +4540,13 @@ static void iscsit_logout_post_handler_closesession(
 	struct iscsi_conn *conn)
 {
 	struct iscsi_session *sess = conn->sess;
-
-	iscsi_set_thread_clear(conn, ISCSI_CLEAR_TX_THREAD);
-	iscsi_set_thread_set_signal(conn, ISCSI_SIGNAL_TX_THREAD);
+	int sleep = cmpxchg(&conn->tx_thread_active, true, false);
 
 	atomic_set(&conn->conn_logout_remove, 0);
 	complete(&conn->conn_logout_comp);
 
 	iscsit_dec_conn_usage_count(conn);
-	iscsit_stop_session(sess, 1, 1);
+	iscsit_stop_session(sess, sleep, sleep);
 	iscsit_dec_session_usage_count(sess);
 	target_put_session(sess->se_sess);
 }
@@ -4567,13 +4554,12 @@ static void iscsit_logout_post_handler_closesession(
 static void iscsit_logout_post_handler_samecid(
 	struct iscsi_conn *conn)
 {
-	iscsi_set_thread_clear(conn, ISCSI_CLEAR_TX_THREAD);
-	iscsi_set_thread_set_signal(conn, ISCSI_SIGNAL_TX_THREAD);
+	int sleep = cmpxchg(&conn->tx_thread_active, true, false);
 
 	atomic_set(&conn->conn_logout_remove, 0);
 	complete(&conn->conn_logout_comp);
 
-	iscsit_cause_connection_reinstatement(conn, 1);
+	iscsit_cause_connection_reinstatement(conn, sleep);
 	iscsit_dec_conn_usage_count(conn);
 }
 
diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c
index bdd8731a4daa..e008ed261364 100644
--- a/drivers/target/iscsi/iscsi_target_erl0.c
+++ b/drivers/target/iscsi/iscsi_target_erl0.c
@@ -860,7 +860,10 @@ void iscsit_connection_reinstatement_rcfr(struct iscsi_conn *conn)
 	}
 	spin_unlock_bh(&conn->state_lock);
 
-	iscsi_thread_set_force_reinstatement(conn);
+	if (conn->tx_thread && conn->tx_thread_active)
+		send_sig(SIGINT, conn->tx_thread, 1);
+	if (conn->rx_thread && conn->rx_thread_active)
+		send_sig(SIGINT, conn->rx_thread, 1);
 
 sleep:
 	wait_for_completion(&conn->conn_wait_rcfr_comp);
@@ -885,10 +888,10 @@ void iscsit_cause_connection_reinstatement(struct iscsi_conn *conn, int sleep)
 		return;
 	}
 
-	if (iscsi_thread_set_force_reinstatement(conn) < 0) {
-		spin_unlock_bh(&conn->state_lock);
-		return;
-	}
+	if (conn->tx_thread && conn->tx_thread_active)
+		send_sig(SIGINT, conn->tx_thread, 1);
+	if (conn->rx_thread && conn->rx_thread_active)
+		send_sig(SIGINT, conn->rx_thread, 1);
 
 	atomic_set(&conn->connection_reinstatement, 1);
 	if (!sleep) {
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 153fb66ac1b8..345f073ff6dc 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -699,6 +699,51 @@ static void iscsi_post_login_start_timers(struct iscsi_conn *conn)
 		iscsit_start_nopin_timer(conn);
 }
 
+int iscsit_start_kthreads(struct iscsi_conn *conn)
+{
+	int ret = 0;
+
+	spin_lock(&iscsit_global->ts_bitmap_lock);
+	conn->bitmap_id = bitmap_find_free_region(iscsit_global->ts_bitmap,
+					ISCSIT_BITMAP_BITS, get_order(1));
+	spin_unlock(&iscsit_global->ts_bitmap_lock);
+
+	if (conn->bitmap_id < 0) {
+		pr_err("bitmap_find_free_region() failed for"
+		       " iscsit_start_kthreads()\n");
+		return -ENOMEM;
+	}
+
+	conn->tx_thread = kthread_run(iscsi_target_tx_thread, conn,
+				      "%s", ISCSI_TX_THREAD_NAME);
+	if (IS_ERR(conn->tx_thread)) {
+		pr_err("Unable to start iscsi_target_tx_thread\n");
+		ret = PTR_ERR(conn->tx_thread);
+		goto out_bitmap;
+	}
+	conn->tx_thread_active = true;
+
+	conn->rx_thread = kthread_run(iscsi_target_rx_thread, conn,
+				      "%s", ISCSI_RX_THREAD_NAME);
+	if (IS_ERR(conn->rx_thread)) {
+		pr_err("Unable to start iscsi_target_rx_thread\n");
+		ret = PTR_ERR(conn->rx_thread);
+		goto out_tx;
+	}
+	conn->rx_thread_active = true;
+
+	return 0;
+out_tx:
+	kthread_stop(conn->tx_thread);
+	conn->tx_thread_active = false;
+out_bitmap:
+	spin_lock(&iscsit_global->ts_bitmap_lock);
+	bitmap_release_region(iscsit_global->ts_bitmap, conn->bitmap_id,
+			      get_order(1));
+	spin_unlock(&iscsit_global->ts_bitmap_lock);
+	return ret;
+}
+
 int iscsi_post_login_handler(
 	struct iscsi_np *np,
 	struct iscsi_conn *conn,
@@ -709,7 +754,7 @@ int iscsi_post_login_handler(
 	struct se_session *se_sess = sess->se_sess;
 	struct iscsi_portal_group *tpg = sess->tpg;
 	struct se_portal_group *se_tpg = &tpg->tpg_se_tpg;
-	struct iscsi_thread_set *ts;
+	int rc;
 
 	iscsit_inc_conn_usage_count(conn);
 
@@ -724,7 +769,6 @@ int iscsi_post_login_handler(
 	/*
 	 * SCSI Initiator -> SCSI Target Port Mapping
 	 */
-	ts = iscsi_get_thread_set();
 	if (!zero_tsih) {
 		iscsi_set_session_parameters(sess->sess_ops,
 				conn->param_list, 0);
@@ -751,9 +795,11 @@ int iscsi_post_login_handler(
 			sess->sess_ops->InitiatorName);
 		spin_unlock_bh(&sess->conn_lock);
 
-		iscsi_post_login_start_timers(conn);
+		rc = iscsit_start_kthreads(conn);
+		if (rc)
+			return rc;
 
-		iscsi_activate_thread_set(conn, ts);
+		iscsi_post_login_start_timers(conn);
 		/*
 		 * Determine CPU mask to ensure connection's RX and TX kthreads
 		 * are scheduled on the same CPU.
@@ -810,8 +856,11 @@ int iscsi_post_login_handler(
 		" iSCSI Target Portal Group: %hu\n", tpg->nsessions, tpg->tpgt);
 	spin_unlock_bh(&se_tpg->session_lock);
 
+	rc = iscsit_start_kthreads(conn);
+	if (rc)
+		return rc;
+
 	iscsi_post_login_start_timers(conn);
-	iscsi_activate_thread_set(conn, ts);
 	/*
 	 * Determine CPU mask to ensure connection's RX and TX kthreads
 	 * are scheduled on the same CPU.
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 44620fb6bd45..cbb0cc277f4e 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -264,40 +264,32 @@ static int fd_do_prot_rw(struct se_cmd *cmd, struct fd_prot *fd_prot,
 	struct se_device *se_dev = cmd->se_dev;
 	struct fd_dev *dev = FD_DEV(se_dev);
 	struct file *prot_fd = dev->fd_prot_file;
-	struct scatterlist *sg;
 	loff_t pos = (cmd->t_task_lba * se_dev->prot_length);
 	unsigned char *buf;
-	u32 prot_size, len, size;
-	int rc, ret = 1, i;
+	u32 prot_size;
+	int rc, ret = 1;
 
 	prot_size = (cmd->data_length / se_dev->dev_attrib.block_size) *
 		     se_dev->prot_length;
 
 	if (!is_write) {
-		fd_prot->prot_buf = vzalloc(prot_size);
+		fd_prot->prot_buf = kzalloc(prot_size, GFP_KERNEL);
 		if (!fd_prot->prot_buf) {
 			pr_err("Unable to allocate fd_prot->prot_buf\n");
 			return -ENOMEM;
 		}
 		buf = fd_prot->prot_buf;
 
-		fd_prot->prot_sg_nents = cmd->t_prot_nents;
-		fd_prot->prot_sg = kzalloc(sizeof(struct scatterlist) *
-					   fd_prot->prot_sg_nents, GFP_KERNEL);
+		fd_prot->prot_sg_nents = 1;
+		fd_prot->prot_sg = kzalloc(sizeof(struct scatterlist),
+					   GFP_KERNEL);
 		if (!fd_prot->prot_sg) {
 			pr_err("Unable to allocate fd_prot->prot_sg\n");
-			vfree(fd_prot->prot_buf);
+			kfree(fd_prot->prot_buf);
 			return -ENOMEM;
 		}
-		size = prot_size;
-
-		for_each_sg(fd_prot->prot_sg, sg, fd_prot->prot_sg_nents, i) {
-
-			len = min_t(u32, PAGE_SIZE, size);
-			sg_set_buf(sg, buf, len);
-			size -= len;
-			buf += len;
-		}
+		sg_init_table(fd_prot->prot_sg, fd_prot->prot_sg_nents);
+		sg_set_buf(fd_prot->prot_sg, buf, prot_size);
 	}
 
 	if (is_write) {
@@ -318,7 +310,7 @@ static int fd_do_prot_rw(struct se_cmd *cmd, struct fd_prot *fd_prot,
 
 	if (is_write || ret < 0) {
 		kfree(fd_prot->prot_sg);
-		vfree(fd_prot->prot_buf);
+		kfree(fd_prot->prot_buf);
 	}
 
 	return ret;
@@ -549,6 +541,56 @@ fd_execute_write_same(struct se_cmd *cmd)
 	return 0;
 }
 
+static int
+fd_do_prot_fill(struct se_device *se_dev, sector_t lba, sector_t nolb,
+		void *buf, size_t bufsize)
+{
+	struct fd_dev *fd_dev = FD_DEV(se_dev);
+	struct file *prot_fd = fd_dev->fd_prot_file;
+	sector_t prot_length, prot;
+	loff_t pos = lba * se_dev->prot_length;
+
+	if (!prot_fd) {
+		pr_err("Unable to locate fd_dev->fd_prot_file\n");
+		return -ENODEV;
+	}
+
+	prot_length = nolb * se_dev->prot_length;
+
+	for (prot = 0; prot < prot_length;) {
+		sector_t len = min_t(sector_t, bufsize, prot_length - prot);
+		ssize_t ret = kernel_write(prot_fd, buf, len, pos + prot);
+
+		if (ret != len) {
+			pr_err("vfs_write to prot file failed: %zd\n", ret);
+			return ret < 0 ? ret : -ENODEV;
+		}
+		prot += ret;
+	}
+
+	return 0;
+}
+
+static int
+fd_do_prot_unmap(struct se_cmd *cmd, sector_t lba, sector_t nolb)
+{
+	void *buf;
+	int rc;
+
+	buf = (void *)__get_free_page(GFP_KERNEL);
+	if (!buf) {
+		pr_err("Unable to allocate FILEIO prot buf\n");
+		return -ENOMEM;
+	}
+	memset(buf, 0xff, PAGE_SIZE);
+
+	rc = fd_do_prot_fill(cmd->se_dev, lba, nolb, buf, PAGE_SIZE);
+
+	free_page((unsigned long)buf);
+
+	return rc;
+}
+
 static sense_reason_t
 fd_do_unmap(struct se_cmd *cmd, void *priv, sector_t lba, sector_t nolb)
 {
@@ -556,6 +598,12 @@ fd_do_unmap(struct se_cmd *cmd, void *priv, sector_t lba, sector_t nolb)
 	struct inode *inode = file->f_mapping->host;
 	int ret;
 
+	if (cmd->se_dev->dev_attrib.pi_prot_type) {
+		ret = fd_do_prot_unmap(cmd, lba, nolb);
+		if (ret)
+			return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+	}
+
 	if (S_ISBLK(inode->i_mode)) {
 		/* The backend is block device, use discard */
 		struct block_device *bdev = inode->i_bdev;
@@ -658,11 +706,11 @@ fd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
 						 0, fd_prot.prot_sg, 0);
 			if (rc) {
 				kfree(fd_prot.prot_sg);
-				vfree(fd_prot.prot_buf);
+				kfree(fd_prot.prot_buf);
 				return rc;
 			}
 			kfree(fd_prot.prot_sg);
-			vfree(fd_prot.prot_buf);
+			kfree(fd_prot.prot_buf);
 		}
 	} else {
 		memset(&fd_prot, 0, sizeof(struct fd_prot));
@@ -678,7 +726,7 @@ fd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
 						  0, fd_prot.prot_sg, 0);
 			if (rc) {
 				kfree(fd_prot.prot_sg);
-				vfree(fd_prot.prot_buf);
+				kfree(fd_prot.prot_buf);
 				return rc;
 			}
 		}
@@ -714,7 +762,7 @@ fd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
 
 	if (ret < 0) {
 		kfree(fd_prot.prot_sg);
-		vfree(fd_prot.prot_buf);
+		kfree(fd_prot.prot_buf);
 		return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
 	}
 
@@ -878,48 +926,28 @@ static int fd_init_prot(struct se_device *dev)
 
 static int fd_format_prot(struct se_device *dev)
 {
-	struct fd_dev *fd_dev = FD_DEV(dev);
-	struct file *prot_fd = fd_dev->fd_prot_file;
-	sector_t prot_length, prot;
 	unsigned char *buf;
-	loff_t pos = 0;
 	int unit_size = FDBD_FORMAT_UNIT_SIZE * dev->dev_attrib.block_size;
-	int rc, ret = 0, size, len;
+	int ret;
 
 	if (!dev->dev_attrib.pi_prot_type) {
 		pr_err("Unable to format_prot while pi_prot_type == 0\n");
 		return -ENODEV;
 	}
-	if (!prot_fd) {
-		pr_err("Unable to locate fd_dev->fd_prot_file\n");
-		return -ENODEV;
-	}
 
 	buf = vzalloc(unit_size);
 	if (!buf) {
 		pr_err("Unable to allocate FILEIO prot buf\n");
 		return -ENOMEM;
 	}
-	prot_length = (dev->transport->get_blocks(dev) + 1) * dev->prot_length;
-	size = prot_length;
 
 	pr_debug("Using FILEIO prot_length: %llu\n",
-		 (unsigned long long)prot_length);
+		 (unsigned long long)(dev->transport->get_blocks(dev) + 1) *
+					dev->prot_length);
 
 	memset(buf, 0xff, unit_size);
-	for (prot = 0; prot < prot_length; prot += unit_size) {
-		len = min(unit_size, size);
-		rc = kernel_write(prot_fd, buf, len, pos);
-		if (rc != len) {
-			pr_err("vfs_write to prot file failed: %d\n", rc);
-			ret = -ENODEV;
-			goto out;
-		}
-		pos += len;
-		size -= len;
-	}
-
-out:
+	ret = fd_do_prot_fill(dev, 0, dev->transport->get_blocks(dev) + 1,
+			      buf, unit_size);
 	vfree(buf);
 	return ret;
 }
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index 3e7297411110..755bd9b34612 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -312,7 +312,7 @@ sbc_setup_write_same(struct se_cmd *cmd, unsigned char *flags, struct sbc_ops *o
 	return 0;
 }
 
-static sense_reason_t xdreadwrite_callback(struct se_cmd *cmd)
+static sense_reason_t xdreadwrite_callback(struct se_cmd *cmd, bool success)
 {
 	unsigned char *buf, *addr;
 	struct scatterlist *sg;
@@ -376,7 +376,7 @@ sbc_execute_rw(struct se_cmd *cmd)
 			       cmd->data_direction);
 }
 
-static sense_reason_t compare_and_write_post(struct se_cmd *cmd)
+static sense_reason_t compare_and_write_post(struct se_cmd *cmd, bool success)
 {
 	struct se_device *dev = cmd->se_dev;
 
@@ -399,7 +399,7 @@ static sense_reason_t compare_and_write_post(struct se_cmd *cmd)
 	return TCM_NO_SENSE;
 }
 
-static sense_reason_t compare_and_write_callback(struct se_cmd *cmd)
+static sense_reason_t compare_and_write_callback(struct se_cmd *cmd, bool success)
 {
 	struct se_device *dev = cmd->se_dev;
 	struct scatterlist *write_sg = NULL, *sg;
@@ -414,11 +414,16 @@ static sense_reason_t compare_and_write_callback(struct se_cmd *cmd)
 
 	/*
 	 * Handle early failure in transport_generic_request_failure(),
-	 * which will not have taken ->caw_mutex yet..
+	 * which will not have taken ->caw_sem yet..
 	 */
-	if (!cmd->t_data_sg || !cmd->t_bidi_data_sg)
+	if (!success && (!cmd->t_data_sg || !cmd->t_bidi_data_sg))
 		return TCM_NO_SENSE;
 	/*
+	 * Handle special case for zero-length COMPARE_AND_WRITE
+	 */
+	if (!cmd->data_length)
+		goto out;
+	/*
 	 * Immediately exit + release dev->caw_sem if command has already
 	 * been failed with a non-zero SCSI status.
 	 */
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index ac3cbabdbdf0..f786de0290db 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1615,11 +1615,11 @@ void transport_generic_request_failure(struct se_cmd *cmd,
 	transport_complete_task_attr(cmd);
 	/*
 	 * Handle special case for COMPARE_AND_WRITE failure, where the
-	 * callback is expected to drop the per device ->caw_mutex.
+	 * callback is expected to drop the per device ->caw_sem.
 	 */
 	if ((cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE) &&
 	     cmd->transport_complete_callback)
-		cmd->transport_complete_callback(cmd);
+		cmd->transport_complete_callback(cmd, false);
 
 	switch (sense_reason) {
 	case TCM_NON_EXISTENT_LUN:
@@ -1975,8 +1975,12 @@ static void target_complete_ok_work(struct work_struct *work)
 	if (cmd->transport_complete_callback) {
 		sense_reason_t rc;
 
-		rc = cmd->transport_complete_callback(cmd);
+		rc = cmd->transport_complete_callback(cmd, true);
 		if (!rc && !(cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE_POST)) {
+			if ((cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE) &&
+			    !cmd->data_length)
+				goto queue_rsp;
+
 			return;
 		} else if (rc) {
 			ret = transport_send_check_condition_and_sense(cmd,
@@ -1990,6 +1994,7 @@ static void target_complete_ok_work(struct work_struct *work)
 		}
 	}
 
+queue_rsp:
 	switch (cmd->data_direction) {
 	case DMA_FROM_DEVICE:
 		spin_lock(&cmd->se_lun->lun_sep_lock);
@@ -2094,6 +2099,16 @@ static inline void transport_reset_sgl_orig(struct se_cmd *cmd)
 static inline void transport_free_pages(struct se_cmd *cmd)
 {
 	if (cmd->se_cmd_flags & SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC) {
+		/*
+		 * Release special case READ buffer payload required for
+		 * SG_TO_MEM_NOALLOC to function with COMPARE_AND_WRITE
+		 */
+		if (cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE) {
+			transport_free_sgl(cmd->t_bidi_data_sg,
+					   cmd->t_bidi_data_nents);
+			cmd->t_bidi_data_sg = NULL;
+			cmd->t_bidi_data_nents = 0;
+		}
 		transport_reset_sgl_orig(cmd);
 		return;
 	}
@@ -2246,6 +2261,7 @@ sense_reason_t
 transport_generic_new_cmd(struct se_cmd *cmd)
 {
 	int ret = 0;
+	bool zero_flag = !(cmd->se_cmd_flags & SCF_SCSI_DATA_CDB);
 
 	/*
 	 * Determine is the TCM fabric module has already allocated physical
@@ -2254,7 +2270,6 @@ transport_generic_new_cmd(struct se_cmd *cmd)
 	 */
 	if (!(cmd->se_cmd_flags & SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC) &&
 	    cmd->data_length) {
-		bool zero_flag = !(cmd->se_cmd_flags & SCF_SCSI_DATA_CDB);
 
 		if ((cmd->se_cmd_flags & SCF_BIDI) ||
 		    (cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE)) {
@@ -2285,6 +2300,20 @@ transport_generic_new_cmd(struct se_cmd *cmd)
 				       cmd->data_length, zero_flag);
 		if (ret < 0)
 			return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+	} else if ((cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE) &&
+		    cmd->data_length) {
+		/*
+		 * Special case for COMPARE_AND_WRITE with fabrics
+		 * using SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC.
+		 */
+		u32 caw_length = cmd->t_task_nolb *
+				 cmd->se_dev->dev_attrib.block_size;
+
+		ret = target_alloc_sgl(&cmd->t_bidi_data_sg,
+				       &cmd->t_bidi_data_nents,
+				       caw_length, zero_flag);
+		if (ret < 0)
+			return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
 	}
 	/*
 	 * If this command is not a write we can execute it right here,
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index deae122c9c4b..d465ace95186 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -3444,7 +3444,8 @@ void serial8250_suspend_port(int line)
 	    port->type != PORT_8250) {
 		unsigned char canary = 0xa5;
 		serial_out(up, UART_SCR, canary);
-		up->canary = canary;
+		if (serial_in(up, UART_SCR) == canary)
+			up->canary = canary;
 	}
 
 	uart_suspend_port(&serial8250_reg, port);
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index 6ae5b8560e4d..7a80250475eb 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -629,6 +629,7 @@ static const struct acpi_device_id dw8250_acpi_match[] = {
 	{ "80860F0A", 0 },
 	{ "8086228A", 0 },
 	{ "APMC0D08", 0},
+	{ "AMD0020", 0 },
 	{ },
 };
 MODULE_DEVICE_TABLE(acpi, dw8250_acpi_match);
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 0eb29b1c47ac..23061918b0e4 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -818,7 +818,7 @@ static irqreturn_t imx_int(int irq, void *dev_id)
 	if (sts2 & USR2_ORE) {
 		dev_err(sport->port.dev, "Rx FIFO overrun\n");
 		sport->port.icount.overrun++;
-		writel(sts2 | USR2_ORE, sport->port.membase + USR2);
+		writel(USR2_ORE, sport->port.membase + USR2);
 	}
 
 	return IRQ_HANDLED;
@@ -1181,10 +1181,12 @@ static int imx_startup(struct uart_port *port)
 		imx_uart_dma_init(sport);
 
 	spin_lock_irqsave(&sport->port.lock, flags);
+
 	/*
 	 * Finally, clear and enable interrupts
 	 */
 	writel(USR1_RTSD, sport->port.membase + USR1);
+	writel(USR2_ORE, sport->port.membase + USR2);
 
 	if (sport->dma_is_inited && !sport->dma_is_enabled)
 		imx_enable_dma(sport);
@@ -1199,10 +1201,6 @@ static int imx_startup(struct uart_port *port)
 
 	writel(temp, sport->port.membase + UCR1);
 
-	/* Clear any pending ORE flag before enabling interrupt */
-	temp = readl(sport->port.membase + USR2);
-	writel(temp | USR2_ORE, sport->port.membase + USR2);
-
 	temp = readl(sport->port.membase + UCR4);
 	temp |= UCR4_OREN;
 	writel(temp, sport->port.membase + UCR4);
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index a051a7a2b1bd..a81f9dd7ee97 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -245,7 +245,7 @@ static void wdm_int_callback(struct urb *urb)
 	case USB_CDC_NOTIFY_RESPONSE_AVAILABLE:
 		dev_dbg(&desc->intf->dev,
 			"NOTIFY_RESPONSE_AVAILABLE received: index %d len %d",
-			dr->wIndex, dr->wLength);
+			le16_to_cpu(dr->wIndex), le16_to_cpu(dr->wLength));
 		break;
 
 	case USB_CDC_NOTIFY_NETWORK_CONNECTION:
@@ -262,7 +262,9 @@ static void wdm_int_callback(struct urb *urb)
 		clear_bit(WDM_POLL_RUNNING, &desc->flags);
 		dev_err(&desc->intf->dev,
 			"unknown notification %d received: index %d len %d\n",
-			dr->bNotificationType, dr->wIndex, dr->wLength);
+			dr->bNotificationType,
+			le16_to_cpu(dr->wIndex),
+			le16_to_cpu(dr->wLength));
 		goto exit;
 	}
 
@@ -408,7 +410,7 @@ static ssize_t wdm_write
 			     USB_RECIP_INTERFACE);
 	req->bRequest = USB_CDC_SEND_ENCAPSULATED_COMMAND;
 	req->wValue = 0;
-	req->wIndex = desc->inum;
+	req->wIndex = desc->inum; /* already converted */
 	req->wLength = cpu_to_le16(count);
 	set_bit(WDM_IN_USE, &desc->flags);
 	desc->outbuf = buf;
@@ -422,7 +424,7 @@ static ssize_t wdm_write
 		rv = usb_translate_errors(rv);
 	} else {
 		dev_dbg(&desc->intf->dev, "Tx URB has been submitted index=%d",
-			req->wIndex);
+			le16_to_cpu(req->wIndex));
 	}
 out:
 	usb_autopm_put_interface(desc->intf);
@@ -820,7 +822,7 @@ static int wdm_create(struct usb_interface *intf, struct usb_endpoint_descriptor
 	desc->irq->bRequestType = (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE);
 	desc->irq->bRequest = USB_CDC_GET_ENCAPSULATED_RESPONSE;
 	desc->irq->wValue = 0;
-	desc->irq->wIndex = desc->inum;
+	desc->irq->wIndex = desc->inum; /* already converted */
 	desc->irq->wLength = cpu_to_le16(desc->wMaxCommand);
 
 	usb_fill_control_urb(
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index d7c3d5a35946..3b7151687776 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -3406,10 +3406,10 @@ int usb_port_resume(struct usb_device *udev, pm_message_t msg)
 	if (status) {
 		dev_dbg(&port_dev->dev, "can't resume, status %d\n", status);
 	} else {
-		/* drive resume for at least 20 msec */
+		/* drive resume for USB_RESUME_TIMEOUT msec */
 		dev_dbg(&udev->dev, "usb %sresume\n",
 				(PMSG_IS_AUTO(msg) ? "auto-" : ""));
-		msleep(25);
+		msleep(USB_RESUME_TIMEOUT);
 
 		/* Virtual root hubs can trigger on GET_PORT_STATUS to
 		 * stop resume signaling.  Then finish the resume
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index c78c8740db1d..758b7e0380f6 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -1521,7 +1521,7 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq,
 			dev_dbg(hsotg->dev,
 				"ClearPortFeature USB_PORT_FEAT_SUSPEND\n");
 			writel(0, hsotg->regs + PCGCTL);
-			usleep_range(20000, 40000);
+			msleep(USB_RESUME_TIMEOUT);
 
 			hprt0 = dwc2_read_hprt0(hsotg);
 			hprt0 |= HPRT0_RES;
diff --git a/drivers/usb/gadget/legacy/printer.c b/drivers/usb/gadget/legacy/printer.c
index 90545980542f..6385c198c134 100644
--- a/drivers/usb/gadget/legacy/printer.c
+++ b/drivers/usb/gadget/legacy/printer.c
@@ -1031,6 +1031,15 @@ unknown:
 		break;
 	}
 	/* host either stalls (value < 0) or reports success */
+	if (value >= 0) {
+		req->length = value;
+		req->zero = value < wLength;
+		value = usb_ep_queue(cdev->gadget->ep0, req, GFP_ATOMIC);
+		if (value < 0) {
+			ERROR(dev, "%s:%d Error!\n", __func__, __LINE__);
+			req->status = 0;
+		}
+	}
 	return value;
 }
 
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 85e56d1abd23..f4d88dfb26a7 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -792,12 +792,12 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
 					ehci->reset_done[i] == 0))
 				continue;
 
-			/* start 20 msec resume signaling from this port,
-			 * and make hub_wq collect PORT_STAT_C_SUSPEND to
-			 * stop that signaling.  Use 5 ms extra for safety,
-			 * like usb_port_resume() does.
+			/* start USB_RESUME_TIMEOUT msec resume signaling from
+			 * this port, and make hub_wq collect
+			 * PORT_STAT_C_SUSPEND to stop that signaling.
 			 */
-			ehci->reset_done[i] = jiffies + msecs_to_jiffies(25);
+			ehci->reset_done[i] = jiffies +
+				msecs_to_jiffies(USB_RESUME_TIMEOUT);
 			set_bit(i, &ehci->resuming_ports);
 			ehci_dbg (ehci, "port %d remote wakeup\n", i + 1);
 			usb_hcd_start_port_resume(&hcd->self, i);
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 87cf86f38b36..7354d0129a72 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -471,10 +471,13 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
 		ehci_writel(ehci, temp, &ehci->regs->port_status [i]);
 	}
 
-	/* msleep for 20ms only if code is trying to resume port */
+	/*
+	 * msleep for USB_RESUME_TIMEOUT ms only if code is trying to resume
+	 * port
+	 */
 	if (resume_needed) {
 		spin_unlock_irq(&ehci->lock);
-		msleep(20);
+		msleep(USB_RESUME_TIMEOUT);
 		spin_lock_irq(&ehci->lock);
 		if (ehci->shutdown)
 			goto shutdown;
@@ -942,7 +945,7 @@ int ehci_hub_control(
 			temp &= ~PORT_WAKE_BITS;
 			ehci_writel(ehci, temp | PORT_RESUME, status_reg);
 			ehci->reset_done[wIndex] = jiffies
-					+ msecs_to_jiffies(20);
+					+ msecs_to_jiffies(USB_RESUME_TIMEOUT);
 			set_bit(wIndex, &ehci->resuming_ports);
 			usb_hcd_start_port_resume(&hcd->self, wIndex);
 			break;
diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c
index 475b21fd373b..7a6681fb7675 100644
--- a/drivers/usb/host/fotg210-hcd.c
+++ b/drivers/usb/host/fotg210-hcd.c
@@ -1595,7 +1595,7 @@ static int fotg210_hub_control(
 			/* resume signaling for 20 msec */
 			fotg210_writel(fotg210, temp | PORT_RESUME, status_reg);
 			fotg210->reset_done[wIndex] = jiffies
-					+ msecs_to_jiffies(20);
+					+ msecs_to_jiffies(USB_RESUME_TIMEOUT);
 			break;
 		case USB_PORT_FEAT_C_SUSPEND:
 			clear_bit(wIndex, &fotg210->port_c_suspend);
diff --git a/drivers/usb/host/fusbh200-hcd.c b/drivers/usb/host/fusbh200-hcd.c
index a83eefefffda..ba77e2e43f62 100644
--- a/drivers/usb/host/fusbh200-hcd.c
+++ b/drivers/usb/host/fusbh200-hcd.c
@@ -1550,10 +1550,9 @@ static int fusbh200_hub_control (
 			if ((temp & PORT_PE) == 0)
 				goto error;
 
-			/* resume signaling for 20 msec */
 			fusbh200_writel(fusbh200, temp | PORT_RESUME, status_reg);
 			fusbh200->reset_done[wIndex] = jiffies
-					+ msecs_to_jiffies(20);
+					+ msecs_to_jiffies(USB_RESUME_TIMEOUT);
 			break;
 		case USB_PORT_FEAT_C_SUSPEND:
 			clear_bit(wIndex, &fusbh200->port_c_suspend);
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index 113d0cc6cc43..9ef56443446d 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -1490,7 +1490,7 @@ static int isp116x_bus_resume(struct usb_hcd *hcd)
 	spin_unlock_irq(&isp116x->lock);
 
 	hcd->state = HC_STATE_RESUMING;
-	msleep(20);
+	msleep(USB_RESUME_TIMEOUT);
 
 	/* Go operational */
 	spin_lock_irq(&isp116x->lock);
diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c
index ef7efb278b15..28a2866b6b16 100644
--- a/drivers/usb/host/oxu210hp-hcd.c
+++ b/drivers/usb/host/oxu210hp-hcd.c
@@ -2500,11 +2500,12 @@ static irqreturn_t oxu210_hcd_irq(struct usb_hcd *hcd)
 					|| oxu->reset_done[i] != 0)
 				continue;
 
-			/* start 20 msec resume signaling from this port,
-			 * and make hub_wq collect PORT_STAT_C_SUSPEND to
+			/* start USB_RESUME_TIMEOUT resume signaling from this
+			 * port, and make hub_wq collect PORT_STAT_C_SUSPEND to
 			 * stop that signaling.
 			 */
-			oxu->reset_done[i] = jiffies + msecs_to_jiffies(20);
+			oxu->reset_done[i] = jiffies +
+				msecs_to_jiffies(USB_RESUME_TIMEOUT);
 			oxu_dbg(oxu, "port %d remote wakeup\n", i + 1);
 			mod_timer(&hcd->rh_timer, oxu->reset_done[i]);
 		}
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index bdc82fea0a1f..54a417043e44 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -2301,7 +2301,7 @@ static int r8a66597_bus_resume(struct usb_hcd *hcd)
 		rh->port &= ~USB_PORT_STAT_SUSPEND;
 		rh->port |= USB_PORT_STAT_C_SUSPEND << 16;
 		r8a66597_mdfy(r8a66597, RESUME, RESUME | UACT, dvstctr_reg);
-		msleep(50);
+		msleep(USB_RESUME_TIMEOUT);
 		r8a66597_mdfy(r8a66597, UACT, RESUME | UACT, dvstctr_reg);
 	}
 
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index 4f4ba1ea9e9b..9118cd8de1a7 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -1259,7 +1259,7 @@ sl811h_hub_control(
 			sl811_write(sl811, SL11H_CTLREG1, sl811->ctrl1);
 
 			mod_timer(&sl811->timer, jiffies
-					+ msecs_to_jiffies(20));
+					+ msecs_to_jiffies(USB_RESUME_TIMEOUT));
 			break;
 		case USB_PORT_FEAT_POWER:
 			port_power(sl811, 0);
diff --git a/drivers/usb/host/uhci-hub.c b/drivers/usb/host/uhci-hub.c
index 19ba5eafb31e..7b3d1afcc14a 100644
--- a/drivers/usb/host/uhci-hub.c
+++ b/drivers/usb/host/uhci-hub.c
@@ -166,7 +166,7 @@ static void uhci_check_ports(struct uhci_hcd *uhci)
 				/* Port received a wakeup request */
 				set_bit(port, &uhci->resuming_ports);
 				uhci->ports_timeout = jiffies +
-						msecs_to_jiffies(25);
+					msecs_to_jiffies(USB_RESUME_TIMEOUT);
 				usb_hcd_start_port_resume(
 						&uhci_to_hcd(uhci)->self, port);
 
@@ -338,7 +338,8 @@ static int uhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			uhci_finish_suspend(uhci, port, port_addr);
 
 			/* USB v2.0 7.1.7.5 */
-			uhci->ports_timeout = jiffies + msecs_to_jiffies(50);
+			uhci->ports_timeout = jiffies +
+				msecs_to_jiffies(USB_RESUME_TIMEOUT);
 			break;
 		case USB_PORT_FEAT_POWER:
 			/* UHCI has no power switching */
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 73485fa4372f..eeedde8c435a 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1574,7 +1574,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
 		} else {
 			xhci_dbg(xhci, "resume HS port %d\n", port_id);
 			bus_state->resume_done[faked_port_index] = jiffies +
-				msecs_to_jiffies(20);
+				msecs_to_jiffies(USB_RESUME_TIMEOUT);
 			set_bit(faked_port_index, &bus_state->resuming_ports);
 			mod_timer(&hcd->rh_timer,
 				  bus_state->resume_done[faked_port_index]);
diff --git a/drivers/usb/isp1760/isp1760-hcd.c b/drivers/usb/isp1760/isp1760-hcd.c
index 3cb98b1d5d29..7911b6b6fe40 100644
--- a/drivers/usb/isp1760/isp1760-hcd.c
+++ b/drivers/usb/isp1760/isp1760-hcd.c
@@ -1869,7 +1869,7 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq,
 				reg_write32(hcd->regs, HC_PORTSC1,
 							temp | PORT_RESUME);
 				priv->reset_done = jiffies +
-					msecs_to_jiffies(20);
+					msecs_to_jiffies(USB_RESUME_TIMEOUT);
 			}
 			break;
 		case USB_PORT_FEAT_C_SUSPEND:
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 067920f2d570..ec0ee3b486f5 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -99,6 +99,7 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/dma-mapping.h>
+#include <linux/usb.h>
 
 #include "musb_core.h"
 
@@ -562,7 +563,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 						(USB_PORT_STAT_C_SUSPEND << 16)
 						| MUSB_PORT_STAT_RESUME;
 				musb->rh_timer = jiffies
-						 + msecs_to_jiffies(20);
+					+ msecs_to_jiffies(USB_RESUME_TIMEOUT);
 				musb->need_finish_resume = 1;
 
 				musb->xceiv->otg->state = OTG_STATE_A_HOST;
@@ -1597,16 +1598,30 @@ irqreturn_t musb_interrupt(struct musb *musb)
 		is_host_active(musb) ? "host" : "peripheral",
 		musb->int_usb, musb->int_tx, musb->int_rx);
 
-	/* the core can interrupt us for multiple reasons; docs have
-	 * a generic interrupt flowchart to follow
+	/**
+	 * According to Mentor Graphics' documentation, flowchart on page 98,
+	 * IRQ should be handled as follows:
+	 *
+	 * . Resume IRQ
+	 * . Session Request IRQ
+	 * . VBUS Error IRQ
+	 * . Suspend IRQ
+	 * . Connect IRQ
+	 * . Disconnect IRQ
+	 * . Reset/Babble IRQ
+	 * . SOF IRQ (we're not using this one)
+	 * . Endpoint 0 IRQ
+	 * . TX Endpoints
+	 * . RX Endpoints
+	 *
+	 * We will be following that flowchart in order to avoid any problems
+	 * that might arise with internal Finite State Machine.
 	 */
+
 	if (musb->int_usb)
 		retval |= musb_stage0_irq(musb, musb->int_usb,
 				devctl);
 
-	/* "stage 1" is handling endpoint irqs */
-
-	/* handle endpoint 0 first */
 	if (musb->int_tx & 1) {
 		if (is_host_active(musb))
 			retval |= musb_h_ep0_irq(musb);
@@ -1614,37 +1629,31 @@ irqreturn_t musb_interrupt(struct musb *musb)
 			retval |= musb_g_ep0_irq(musb);
 	}
 
-	/* RX on endpoints 1-15 */
-	reg = musb->int_rx >> 1;
+	reg = musb->int_tx >> 1;
 	ep_num = 1;
 	while (reg) {
 		if (reg & 1) {
-			/* musb_ep_select(musb->mregs, ep_num); */
-			/* REVISIT just retval = ep->rx_irq(...) */
 			retval = IRQ_HANDLED;
 			if (is_host_active(musb))
-				musb_host_rx(musb, ep_num);
+				musb_host_tx(musb, ep_num);
 			else
-				musb_g_rx(musb, ep_num);
+				musb_g_tx(musb, ep_num);
 		}
-
 		reg >>= 1;
 		ep_num++;
 	}
 
-	/* TX on endpoints 1-15 */
-	reg = musb->int_tx >> 1;
+	reg = musb->int_rx >> 1;
 	ep_num = 1;
 	while (reg) {
 		if (reg & 1) {
-			/* musb_ep_select(musb->mregs, ep_num); */
-			/* REVISIT just retval |= ep->tx_irq(...) */
 			retval = IRQ_HANDLED;
 			if (is_host_active(musb))
-				musb_host_tx(musb, ep_num);
+				musb_host_rx(musb, ep_num);
 			else
-				musb_g_tx(musb, ep_num);
+				musb_g_rx(musb, ep_num);
 		}
+
 		reg >>= 1;
 		ep_num++;
 	}
@@ -2463,7 +2472,7 @@ static int musb_resume(struct device *dev)
 	if (musb->need_finish_resume) {
 		musb->need_finish_resume = 0;
 		schedule_delayed_work(&musb->finish_resume_work,
-				      msecs_to_jiffies(20));
+				      msecs_to_jiffies(USB_RESUME_TIMEOUT));
 	}
 
 	/*
@@ -2506,7 +2515,7 @@ static int musb_runtime_resume(struct device *dev)
 	if (musb->need_finish_resume) {
 		musb->need_finish_resume = 0;
 		schedule_delayed_work(&musb->finish_resume_work,
-				msecs_to_jiffies(20));
+				msecs_to_jiffies(USB_RESUME_TIMEOUT));
 	}
 
 	return 0;
diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c
index 294e159f4afe..5428ed11440d 100644
--- a/drivers/usb/musb/musb_virthub.c
+++ b/drivers/usb/musb/musb_virthub.c
@@ -136,7 +136,7 @@ void musb_port_suspend(struct musb *musb, bool do_suspend)
 		/* later, GetPortStatus will stop RESUME signaling */
 		musb->port1_status |= MUSB_PORT_STAT_RESUME;
 		schedule_delayed_work(&musb->finish_resume_work,
-				      msecs_to_jiffies(20));
+				      msecs_to_jiffies(USB_RESUME_TIMEOUT));
 	}
 }
 
diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c
index 2f9735b35338..d1cd6b50f520 100644
--- a/drivers/usb/phy/phy.c
+++ b/drivers/usb/phy/phy.c
@@ -81,7 +81,9 @@ static void devm_usb_phy_release(struct device *dev, void *res)
 
 static int devm_usb_phy_match(struct device *dev, void *res, void *match_data)
 {
-	return res == match_data;
+	struct usb_phy **phy = res;
+
+	return *phy == match_data;
 }
 
 /**