Merge branch 'v3.17-next/cleanup-samsung' into v3.17-next/dt-s5pv210

author: Kukjin Kim <kgene.kim@samsung.com> 2014-07-19 04:24:18 +0900
committer: Kukjin Kim <kgene.kim@samsung.com> 2014-07-19 04:24:18 +0900
commit: a7a30232df01db886473324050d79c3122937c78 (patch)
tree: 76323b745b44b792173575843a72a2f6baa8a6da /drivers
parent: f86e0add813a3cc0e338089fa6c0928f5f6dc52d (diff)
parent: fce9e5bb25264153f9f002eada41757118d25ba9 (diff)
275 files changed, 2214 insertions, 996 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index c67f6f5ad61..36b0e61f9c0 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -30,6 +30,10 @@
 #include <linux/types.h>
 #include <linux/dmi.h>
 #include <linux/delay.h>
+#ifdef CONFIG_ACPI_PROCFS_POWER
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#endif
 #include <linux/platform_device.h>
 #include <linux/power_supply.h>
 #include <linux/acpi.h>
@@ -52,6 +56,7 @@ MODULE_AUTHOR("Paul Diefenbaugh");
 MODULE_DESCRIPTION("ACPI AC Adapter Driver");
 MODULE_LICENSE("GPL");
 
+
 static int acpi_ac_add(struct acpi_device *device);
 static int acpi_ac_remove(struct acpi_device *device);
 static void acpi_ac_notify(struct acpi_device *device, u32 event);
@@ -67,6 +72,13 @@ static int acpi_ac_resume(struct device *dev);
 #endif
 static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume);
 
+#ifdef CONFIG_ACPI_PROCFS_POWER
+extern struct proc_dir_entry *acpi_lock_ac_dir(void);
+extern void *acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir);
+static int acpi_ac_open_fs(struct inode *inode, struct file *file);
+#endif
+
+
 static int ac_sleep_before_get_state_ms;
 
 static struct acpi_driver acpi_ac_driver = {
@@ -91,6 +103,16 @@ struct acpi_ac {
 
 #define to_acpi_ac(x) container_of(x, struct acpi_ac, charger)
 
+#ifdef CONFIG_ACPI_PROCFS_POWER
+static const struct file_operations acpi_ac_fops = {
+	.owner = THIS_MODULE,
+	.open = acpi_ac_open_fs,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+#endif
+
 /* --------------------------------------------------------------------------
                                AC Adapter Management
    -------------------------------------------------------------------------- */
@@ -143,6 +165,83 @@ static enum power_supply_property ac_props[] = {
 	POWER_SUPPLY_PROP_ONLINE,
 };
 
+#ifdef CONFIG_ACPI_PROCFS_POWER
+/* --------------------------------------------------------------------------
+                              FS Interface (/proc)
+   -------------------------------------------------------------------------- */
+
+static struct proc_dir_entry *acpi_ac_dir;
+
+static int acpi_ac_seq_show(struct seq_file *seq, void *offset)
+{
+	struct acpi_ac *ac = seq->private;
+
+
+	if (!ac)
+		return 0;
+
+	if (acpi_ac_get_state(ac)) {
+		seq_puts(seq, "ERROR: Unable to read AC Adapter state\n");
+		return 0;
+	}
+
+	seq_puts(seq, "state:                   ");
+	switch (ac->state) {
+	case ACPI_AC_STATUS_OFFLINE:
+		seq_puts(seq, "off-line\n");
+		break;
+	case ACPI_AC_STATUS_ONLINE:
+		seq_puts(seq, "on-line\n");
+		break;
+	default:
+		seq_puts(seq, "unknown\n");
+		break;
+	}
+
+	return 0;
+}
+
+static int acpi_ac_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_ac_seq_show, PDE_DATA(inode));
+}
+
+static int acpi_ac_add_fs(struct acpi_ac *ac)
+{
+	struct proc_dir_entry *entry = NULL;
+
+	printk(KERN_WARNING PREFIX "Deprecated procfs I/F for AC is loaded,"
+			" please retry with CONFIG_ACPI_PROCFS_POWER cleared\n");
+	if (!acpi_device_dir(ac->device)) {
+		acpi_device_dir(ac->device) =
+			proc_mkdir(acpi_device_bid(ac->device), acpi_ac_dir);
+		if (!acpi_device_dir(ac->device))
+			return -ENODEV;
+	}
+
+	/* 'state' [R] */
+	entry = proc_create_data(ACPI_AC_FILE_STATE,
+				 S_IRUGO, acpi_device_dir(ac->device),
+				 &acpi_ac_fops, ac);
+	if (!entry)
+		return -ENODEV;
+	return 0;
+}
+
+static int acpi_ac_remove_fs(struct acpi_ac *ac)
+{
+
+	if (acpi_device_dir(ac->device)) {
+		remove_proc_entry(ACPI_AC_FILE_STATE,
+				  acpi_device_dir(ac->device));
+		remove_proc_entry(acpi_device_bid(ac->device), acpi_ac_dir);
+		acpi_device_dir(ac->device) = NULL;
+	}
+
+	return 0;
+}
+#endif
+
 /* --------------------------------------------------------------------------
                                    Driver Model
    -------------------------------------------------------------------------- */
@@ -243,6 +342,11 @@ static int acpi_ac_add(struct acpi_device *device)
 		goto end;
 
 	ac->charger.name = acpi_device_bid(device);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+	result = acpi_ac_add_fs(ac);
+	if (result)
+		goto end;
+#endif
 	ac->charger.type = POWER_SUPPLY_TYPE_MAINS;
 	ac->charger.properties = ac_props;
 	ac->charger.num_properties = ARRAY_SIZE(ac_props);
@@ -258,8 +362,12 @@ static int acpi_ac_add(struct acpi_device *device)
 	ac->battery_nb.notifier_call = acpi_ac_battery_notify;
 	register_acpi_notifier(&ac->battery_nb);
 end:
-	if (result)
+	if (result) {
+#ifdef CONFIG_ACPI_PROCFS_POWER
+		acpi_ac_remove_fs(ac);
+#endif
 		kfree(ac);
+	}
 
 	dmi_check_system(ac_dmi_table);
 	return result;
@@ -303,6 +411,10 @@ static int acpi_ac_remove(struct acpi_device *device)
 		power_supply_unregister(&ac->charger);
 	unregister_acpi_notifier(&ac->battery_nb);
 
+#ifdef CONFIG_ACPI_PROCFS_POWER
+	acpi_ac_remove_fs(ac);
+#endif
+
 	kfree(ac);
 
 	return 0;
@@ -315,9 +427,20 @@ static int __init acpi_ac_init(void)
 	if (acpi_disabled)
 		return -ENODEV;
 
+#ifdef CONFIG_ACPI_PROCFS_POWER
+	acpi_ac_dir = acpi_lock_ac_dir();
+	if (!acpi_ac_dir)
+		return -ENODEV;
+#endif
+
+
 	result = acpi_bus_register_driver(&acpi_ac_driver);
-	if (result < 0)
+	if (result < 0) {
+#ifdef CONFIG_ACPI_PROCFS_POWER
+		acpi_unlock_ac_dir(acpi_ac_dir);
+#endif
 		return -ENODEV;
+	}
 
 	return 0;
 }
@@ -325,6 +448,9 @@ static int __init acpi_ac_init(void)
 static void __exit acpi_ac_exit(void)
 {
 	acpi_bus_unregister_driver(&acpi_ac_driver);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+	acpi_unlock_ac_dir(acpi_ac_dir);
+#endif
 }
 module_init(acpi_ac_init);
 module_exit(acpi_ac_exit);
diff --git a/drivers/acpi/acpi_pnp.c b/drivers/acpi/acpi_pnp.c
index 6703c1fd993..4ddb0dca56f 100644
--- a/drivers/acpi/acpi_pnp.c
+++ b/drivers/acpi/acpi_pnp.c
@@ -14,6 +14,8 @@
 #include <linux/module.h>
 
 static const struct acpi_device_id acpi_pnp_device_ids[] = {
+	/* soc_button_array */
+	{"PNP0C40"},
 	/* pata_isapnp */
 	{"PNP0600"},		/* Generic ESDI/IDE/ATA compatible hard disk controller */
 	/* floppy */
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 0d7116f34b9..130f513e08c 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -35,6 +35,7 @@
 #include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/suspend.h>
+#include <linux/delay.h>
 #include <asm/unaligned.h>
 
 #ifdef CONFIG_ACPI_PROCFS_POWER
@@ -534,6 +535,20 @@ static int acpi_battery_get_state(struct acpi_battery *battery)
 			" invalid.\n");
 	}
 
+	/*
+	 * When fully charged, some batteries wrongly report
+	 * capacity_now = design_capacity instead of = full_charge_capacity
+	 */
+	if (battery->capacity_now > battery->full_charge_capacity
+	    && battery->full_charge_capacity != ACPI_BATTERY_VALUE_UNKNOWN) {
+		battery->capacity_now = battery->full_charge_capacity;
+		if (battery->capacity_now != battery->design_capacity)
+			printk_once(KERN_WARNING FW_BUG
+				"battery: reported current charge level (%d) "
+				"is higher than reported maximum charge level (%d).\n",
+				battery->capacity_now, battery->full_charge_capacity);
+	}
+
 	if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags)
 	    && battery->capacity_now >= 0 && battery->capacity_now <= 100)
 		battery->capacity_now = (battery->capacity_now *
@@ -1151,6 +1166,28 @@ static struct dmi_system_id bat_dmi_table[] = {
 	{},
 };
 
+/*
+ * Some machines'(E,G Lenovo Z480) ECs are not stable
+ * during boot up and this causes battery driver fails to be
+ * probed due to failure of getting battery information
+ * from EC sometimes. After several retries, the operation
+ * may work. So add retry code here and 20ms sleep between
+ * every retries.
+ */
+static int acpi_battery_update_retry(struct acpi_battery *battery)
+{
+	int retry, ret;
+
+	for (retry = 5; retry; retry--) {
+		ret = acpi_battery_update(battery, false);
+		if (!ret)
+			break;
+
+		msleep(20);
+	}
+	return ret;
+}
+
 static int acpi_battery_add(struct acpi_device *device)
 {
 	int result = 0;
@@ -1169,9 +1206,11 @@ static int acpi_battery_add(struct acpi_device *device)
 	mutex_init(&battery->sysfs_lock);
 	if (acpi_has_method(battery->device->handle, "_BIX"))
 		set_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags);
-	result = acpi_battery_update(battery, false);
+
+	result = acpi_battery_update_retry(battery);
 	if (result)
 		goto fail;
+
 #ifdef CONFIG_ACPI_PROCFS_POWER
 	result = acpi_battery_add_fs(device);
 #endif
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index ad11ba4a412..a66ab658abb 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -1,11 +1,14 @@
 /*
- *  ec.c - ACPI Embedded Controller Driver (v2.1)
+ *  ec.c - ACPI Embedded Controller Driver (v2.2)
  *
- *  Copyright (C) 2006-2008 Alexey Starikovskiy <astarikovskiy@suse.de>
- *  Copyright (C) 2006 Denis Sadykov <denis.m.sadykov@intel.com>
- *  Copyright (C) 2004 Luming Yu <luming.yu@intel.com>
- *  Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
- *  Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
+ *  Copyright (C) 2001-2014 Intel Corporation
+ *    Author: 2014       Lv Zheng <lv.zheng@intel.com>
+ *            2006, 2007 Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
+ *            2006       Denis Sadykov <denis.m.sadykov@intel.com>
+ *            2004       Luming Yu <luming.yu@intel.com>
+ *            2001, 2002 Andy Grover <andrew.grover@intel.com>
+ *            2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
+ *  Copyright (C) 2008      Alexey Starikovskiy <astarikovskiy@suse.de>
  *
  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  *
@@ -52,6 +55,7 @@
 /* EC status register */
 #define ACPI_EC_FLAG_OBF	0x01	/* Output buffer full */
 #define ACPI_EC_FLAG_IBF	0x02	/* Input buffer full */
+#define ACPI_EC_FLAG_CMD	0x08	/* Input buffer contains a command */
 #define ACPI_EC_FLAG_BURST	0x10	/* burst mode */
 #define ACPI_EC_FLAG_SCI	0x20	/* EC-SCI occurred */
 
@@ -78,6 +82,9 @@ enum {
 	EC_FLAGS_BLOCKED,		/* Transactions are blocked */
 };
 
+#define ACPI_EC_COMMAND_POLL		0x01 /* Available for command byte */
+#define ACPI_EC_COMMAND_COMPLETE	0x02 /* Completed last byte */
+
 /* ec.c is compiled in acpi namespace so this shows up as acpi.ec_delay param */
 static unsigned int ec_delay __read_mostly = ACPI_EC_DELAY;
 module_param(ec_delay, uint, 0644);
@@ -109,7 +116,7 @@ struct transaction {
 	u8 ri;
 	u8 wlen;
 	u8 rlen;
-	bool done;
+	u8 flags;
 };
 
 struct acpi_ec *boot_ec, *first_ec;
@@ -127,83 +134,104 @@ static int EC_FLAGS_CLEAR_ON_RESUME; /* Needs acpi_ec_clear() on boot/resume */
 static inline u8 acpi_ec_read_status(struct acpi_ec *ec)
 {
 	u8 x = inb(ec->command_addr);
-	pr_debug("---> status = 0x%2.2x\n", x);
+	pr_debug("EC_SC(R) = 0x%2.2x "
+		 "SCI_EVT=%d BURST=%d CMD=%d IBF=%d OBF=%d\n",
+		 x,
+		 !!(x & ACPI_EC_FLAG_SCI),
+		 !!(x & ACPI_EC_FLAG_BURST),
+		 !!(x & ACPI_EC_FLAG_CMD),
+		 !!(x & ACPI_EC_FLAG_IBF),
+		 !!(x & ACPI_EC_FLAG_OBF));
 	return x;
 }
 
 static inline u8 acpi_ec_read_data(struct acpi_ec *ec)
 {
 	u8 x = inb(ec->data_addr);
-	pr_debug("---> data = 0x%2.2x\n", x);
+	pr_debug("EC_DATA(R) = 0x%2.2x\n", x);
 	return x;
 }
 
 static inline void acpi_ec_write_cmd(struct acpi_ec *ec, u8 command)
 {
-	pr_debug("<--- command = 0x%2.2x\n", command);
+	pr_debug("EC_SC(W) = 0x%2.2x\n", command);
 	outb(command, ec->command_addr);
 }
 
 static inline void acpi_ec_write_data(struct acpi_ec *ec, u8 data)
 {
-	pr_debug("<--- data = 0x%2.2x\n", data);
+	pr_debug("EC_DATA(W) = 0x%2.2x\n", data);
 	outb(data, ec->data_addr);
 }
 
-static int ec_transaction_done(struct acpi_ec *ec)
+static int ec_transaction_completed(struct acpi_ec *ec)
 {
 	unsigned long flags;
 	int ret = 0;
 	spin_lock_irqsave(&ec->lock, flags);
-	if (!ec->curr || ec->curr->done)
+	if (ec->curr && (ec->curr->flags & ACPI_EC_COMMAND_COMPLETE))
 		ret = 1;
 	spin_unlock_irqrestore(&ec->lock, flags);
 	return ret;
 }
 
-static void start_transaction(struct acpi_ec *ec)
+static bool advance_transaction(struct acpi_ec *ec)
 {
-	ec->curr->irq_count = ec->curr->wi = ec->curr->ri = 0;
-	ec->curr->done = false;
-	acpi_ec_write_cmd(ec, ec->curr->command);
-}
-
-static void advance_transaction(struct acpi_ec *ec, u8 status)
-{
-	unsigned long flags;
 	struct transaction *t;
+	u8 status;
+	bool wakeup = false;
 
-	spin_lock_irqsave(&ec->lock, flags);
+	pr_debug("===== %s =====\n", in_interrupt() ? "IRQ" : "TASK");
+	status = acpi_ec_read_status(ec);
 	t = ec->curr;
 	if (!t)
-		goto unlock;
-	if (t->wlen > t->wi) {
-		if ((status & ACPI_EC_FLAG_IBF) == 0)
-			acpi_ec_write_data(ec,
-				t->wdata[t->wi++]);
-		else
-			goto err;
-	} else if (t->rlen > t->ri) {
-		if ((status & ACPI_EC_FLAG_OBF) == 1) {
-			t->rdata[t->ri++] = acpi_ec_read_data(ec);
-			if (t->rlen == t->ri)
-				t->done = true;
+		goto err;
+	if (t->flags & ACPI_EC_COMMAND_POLL) {
+		if (t->wlen > t->wi) {
+			if ((status & ACPI_EC_FLAG_IBF) == 0)
+				acpi_ec_write_data(ec, t->wdata[t->wi++]);
+			else
+				goto err;
+		} else if (t->rlen > t->ri) {
+			if ((status & ACPI_EC_FLAG_OBF) == 1) {
+				t->rdata[t->ri++] = acpi_ec_read_data(ec);
+				if (t->rlen == t->ri) {
+					t->flags |= ACPI_EC_COMMAND_COMPLETE;
+					wakeup = true;
+				}
+			} else
+				goto err;
+		} else if (t->wlen == t->wi &&
+			   (status & ACPI_EC_FLAG_IBF) == 0) {
+			t->flags |= ACPI_EC_COMMAND_COMPLETE;
+			wakeup = true;
+		}
+		return wakeup;
+	} else {
+		if ((status & ACPI_EC_FLAG_IBF) == 0) {
+			acpi_ec_write_cmd(ec, t->command);
+			t->flags |= ACPI_EC_COMMAND_POLL;
 		} else
 			goto err;
-	} else if (t->wlen == t->wi &&
-		   (status & ACPI_EC_FLAG_IBF) == 0)
-		t->done = true;
-	goto unlock;
+		return wakeup;
+	}
 err:
 	/*
 	 * If SCI bit is set, then don't think it's a false IRQ
 	 * otherwise will take a not handled IRQ as a false one.
 	 */
-	if (in_interrupt() && !(status & ACPI_EC_FLAG_SCI))
-		++t->irq_count;
+	if (!(status & ACPI_EC_FLAG_SCI)) {
+		if (in_interrupt() && t)
+			++t->irq_count;
+	}
+	return wakeup;
+}
 
-unlock:
-	spin_unlock_irqrestore(&ec->lock, flags);
+static void start_transaction(struct acpi_ec *ec)
+{
+	ec->curr->irq_count = ec->curr->wi = ec->curr->ri = 0;
+	ec->curr->flags = 0;
+	(void)advance_transaction(ec);
 }
 
 static int acpi_ec_sync_query(struct acpi_ec *ec, u8 *data);
@@ -228,15 +256,17 @@ static int ec_poll(struct acpi_ec *ec)
 			/* don't sleep with disabled interrupts */
 			if (EC_FLAGS_MSI || irqs_disabled()) {
 				udelay(ACPI_EC_MSI_UDELAY);
-				if (ec_transaction_done(ec))
+				if (ec_transaction_completed(ec))
 					return 0;
 			} else {
 				if (wait_event_timeout(ec->wait,
-						ec_transaction_done(ec),
+						ec_transaction_completed(ec),
 						msecs_to_jiffies(1)))
 					return 0;
 			}
-			advance_transaction(ec, acpi_ec_read_status(ec));
+			spin_lock_irqsave(&ec->lock, flags);
+			(void)advance_transaction(ec);
+			spin_unlock_irqrestore(&ec->lock, flags);
 		} while (time_before(jiffies, delay));
 		pr_debug("controller reset, restart transaction\n");
 		spin_lock_irqsave(&ec->lock, flags);
@@ -268,23 +298,6 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec,
 	return ret;
 }
 
-static int ec_check_ibf0(struct acpi_ec *ec)
-{
-	u8 status = acpi_ec_read_status(ec);
-	return (status & ACPI_EC_FLAG_IBF) == 0;
-}
-
-static int ec_wait_ibf0(struct acpi_ec *ec)
-{
-	unsigned long delay = jiffies + msecs_to_jiffies(ec_delay);
-	/* interrupt wait manually if GPE mode is not active */
-	while (time_before(jiffies, delay))
-		if (wait_event_timeout(ec->wait, ec_check_ibf0(ec),
-					msecs_to_jiffies(1)))
-			return 0;
-	return -ETIME;
-}
-
 static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
 {
 	int status;
@@ -305,12 +318,6 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
 			goto unlock;
 		}
 	}
-	if (ec_wait_ibf0(ec)) {
-		pr_err("input buffer is not empty, "
-				"aborting transaction\n");
-		status = -ETIME;
-		goto end;
-	}
 	pr_debug("transaction start (cmd=0x%02x, addr=0x%02x)\n",
 			t->command, t->wdata ? t->wdata[0] : 0);
 	/* disable GPE during transaction if storm is detected */
@@ -334,7 +341,6 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
 		set_bit(EC_FLAGS_GPE_STORM, &ec->flags);
 	}
 	pr_debug("transaction end\n");
-end:
 	if (ec->global_lock)
 		acpi_release_global_lock(glk);
 unlock:
@@ -634,17 +640,14 @@ static int ec_check_sci(struct acpi_ec *ec, u8 state)
 static u32 acpi_ec_gpe_handler(acpi_handle gpe_device,
 	u32 gpe_number, void *data)
 {
+	unsigned long flags;
 	struct acpi_ec *ec = data;
-	u8 status = acpi_ec_read_status(ec);
 
-	pr_debug("~~~> interrupt, status:0x%02x\n", status);
-
-	advance_transaction(ec, status);
-	if (ec_transaction_done(ec) &&
-	    (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF) == 0) {
+	spin_lock_irqsave(&ec->lock, flags);
+	if (advance_transaction(ec))
 		wake_up(&ec->wait);
-		ec_check_sci(ec, acpi_ec_read_status(ec));
-	}
+	spin_unlock_irqrestore(&ec->lock, flags);
+	ec_check_sci(ec, acpi_ec_read_status(ec));
 	return ACPI_INTERRUPT_HANDLED | ACPI_REENABLE_GPE;
 }
 
@@ -1066,8 +1069,10 @@ int __init acpi_ec_ecdt_probe(void)
 	/* fall through */
 	}
 
-	if (EC_FLAGS_SKIP_DSDT_SCAN)
+	if (EC_FLAGS_SKIP_DSDT_SCAN) {
+		kfree(saved_ec);
 		return -ENODEV;
+	}
 
 	/* This workaround is needed only on some broken machines,
 	 * which require early EC, but fail to provide ECDT */
@@ -1105,6 +1110,7 @@ install:
 	}
 error:
 	kfree(boot_ec);
+	kfree(saved_ec);
 	boot_ec = NULL;
 	return -ENODEV;
 }
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 0bdacc5e26a..2ba8f02ced3 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -77,7 +77,7 @@ bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res)
 	switch (ares->type) {
 	case ACPI_RESOURCE_TYPE_MEMORY24:
 		memory24 = &ares->data.memory24;
-		if (!memory24->address_length)
+		if (!memory24->minimum && !memory24->address_length)
 			return false;
 		acpi_dev_get_memresource(res, memory24->minimum,
 					 memory24->address_length,
@@ -85,7 +85,7 @@ bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res)
 		break;
 	case ACPI_RESOURCE_TYPE_MEMORY32:
 		memory32 = &ares->data.memory32;
-		if (!memory32->address_length)
+		if (!memory32->minimum && !memory32->address_length)
 			return false;
 		acpi_dev_get_memresource(res, memory32->minimum,
 					 memory32->address_length,
@@ -93,7 +93,7 @@ bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res)
 		break;
 	case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
 		fixed_memory32 = &ares->data.fixed_memory32;
-		if (!fixed_memory32->address_length)
+		if (!fixed_memory32->address && !fixed_memory32->address_length)
 			return false;
 		acpi_dev_get_memresource(res, fixed_memory32->address,
 					 fixed_memory32->address_length,
@@ -150,7 +150,7 @@ bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res)
 	switch (ares->type) {
 	case ACPI_RESOURCE_TYPE_IO:
 		io = &ares->data.io;
-		if (!io->address_length)
+		if (!io->minimum && !io->address_length)
 			return false;
 		acpi_dev_get_ioresource(res, io->minimum,
 					io->address_length,
@@ -158,7 +158,7 @@ bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res)
 		break;
 	case ACPI_RESOURCE_TYPE_FIXED_IO:
 		fixed_io = &ares->data.fixed_io;
-		if (!fixed_io->address_length)
+		if (!fixed_io->address && !fixed_io->address_length)
 			return false;
 		acpi_dev_get_ioresource(res, fixed_io->address,
 					fixed_io->address_length,
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index fb9ffe9adc6..071c1dfb93f 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -241,13 +241,14 @@ static bool acpi_video_use_native_backlight(void)
 		return use_native_backlight_dmi;
 }
 
-static bool acpi_video_verify_backlight_support(void)
+bool acpi_video_verify_backlight_support(void)
 {
 	if (acpi_osi_is_win8() && acpi_video_use_native_backlight() &&
 	    backlight_device_registered(BACKLIGHT_RAW))
 		return false;
 	return acpi_video_backlight_support();
 }
+EXPORT_SYMBOL_GPL(acpi_video_verify_backlight_support);
 
 /* backlight device sysfs support */
 static int acpi_video_get_brightness(struct backlight_device *bd)
@@ -563,6 +564,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
 		},
 	},
 	{
+	 .callback = video_set_use_native_backlight,
+	 .ident = "Acer TravelMate B113",
+	 .matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate B113"),
+		},
+	},
+	{
 	.callback = video_set_use_native_backlight,
 	.ident = "HP ProBook 4340s",
 	.matches = {
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 33e3db548a2..c42feb2bacd 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -166,6 +166,14 @@ static struct dmi_system_id video_detect_dmi_table[] = {
 		DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"),
 		},
 	},
+	{
+	.callback = video_detect_force_vendor,
+	.ident = "Dell Inspiron 5737",
+	.matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5737"),
+		},
+	},
 	{ },
 };
 
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 05882e4445a..5513296e5e2 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -371,7 +371,9 @@ int ahci_do_softreset(struct ata_link *link, unsigned int *class,
 		      int pmp, unsigned long deadline,
 		      int (*check_ready)(struct ata_link *link));
 
+unsigned int ahci_qc_issue(struct ata_queued_cmd *qc);
 int ahci_stop_engine(struct ata_port *ap);
+void ahci_start_fis_rx(struct ata_port *ap);
 void ahci_start_engine(struct ata_port *ap);
 int ahci_check_ready(struct ata_link *link);
 int ahci_kick_engine(struct ata_port *ap);
diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c
index 3a901520c62..cac4360f272 100644
--- a/drivers/ata/ahci_imx.c
+++ b/drivers/ata/ahci_imx.c
@@ -58,6 +58,8 @@ enum ahci_imx_type {
 struct imx_ahci_priv {
 	struct platform_device *ahci_pdev;
 	enum ahci_imx_type type;
+	struct clk *sata_clk;
+	struct clk *sata_ref_clk;
 	struct clk *ahb_clk;
 	struct regmap *gpr;
 	bool no_device;
@@ -224,7 +226,7 @@ static int imx_sata_enable(struct ahci_host_priv *hpriv)
 			return ret;
 	}
 
-	ret = ahci_platform_enable_clks(hpriv);
+	ret = clk_prepare_enable(imxpriv->sata_ref_clk);
 	if (ret < 0)
 		goto disable_regulator;
 
@@ -291,7 +293,7 @@ static void imx_sata_disable(struct ahci_host_priv *hpriv)
 				   !IMX6Q_GPR13_SATA_MPLL_CLK_EN);
 	}
 
-	ahci_platform_disable_clks(hpriv);
+	clk_disable_unprepare(imxpriv->sata_ref_clk);
 
 	if (hpriv->target_pwr)
 		regulator_disable(hpriv->target_pwr);
@@ -324,6 +326,9 @@ static void ahci_imx_error_handler(struct ata_port *ap)
 	writel(reg_val | IMX_P0PHYCR_TEST_PDDQ, mmio + IMX_P0PHYCR);
 	imx_sata_disable(hpriv);
 	imxpriv->no_device = true;
+
+	dev_info(ap->dev, "no device found, disabling link.\n");
+	dev_info(ap->dev, "pass " MODULE_PARAM_PREFIX ".hotplug=1 to enable hotplug\n");
 }
 
 static int ahci_imx_softreset(struct ata_link *link, unsigned int *class,
@@ -385,6 +390,19 @@ static int imx_ahci_probe(struct platform_device *pdev)
 	imxpriv->no_device = false;
 	imxpriv->first_time = true;
 	imxpriv->type = (enum ahci_imx_type)of_id->data;
+
+	imxpriv->sata_clk = devm_clk_get(dev, "sata");
+	if (IS_ERR(imxpriv->sata_clk)) {
+		dev_err(dev, "can't get sata clock.\n");
+		return PTR_ERR(imxpriv->sata_clk);
+	}
+
+	imxpriv->sata_ref_clk = devm_clk_get(dev, "sata_ref");
+	if (IS_ERR(imxpriv->sata_ref_clk)) {
+		dev_err(dev, "can't get sata_ref clock.\n");
+		return PTR_ERR(imxpriv->sata_ref_clk);
+	}
+
 	imxpriv->ahb_clk = devm_clk_get(dev, "ahb");
 	if (IS_ERR(imxpriv->ahb_clk)) {
 		dev_err(dev, "can't get ahb clock.\n");
@@ -407,10 +425,14 @@ static int imx_ahci_probe(struct platform_device *pdev)
 
 	hpriv->plat_data = imxpriv;
 
-	ret = imx_sata_enable(hpriv);
+	ret = clk_prepare_enable(imxpriv->sata_clk);
 	if (ret)
 		return ret;
 
+	ret = imx_sata_enable(hpriv);
+	if (ret)
+		goto disable_clk;
+
 	/*
 	 * Configure the HWINIT bits of the HOST_CAP and HOST_PORTS_IMPL,
 	 * and IP vendor specific register IMX_TIMER1MS.
@@ -435,16 +457,24 @@ static int imx_ahci_probe(struct platform_device *pdev)
 	ret = ahci_platform_init_host(pdev, hpriv, &ahci_imx_port_info,
 				      0, 0, 0);
 	if (ret)
-		imx_sata_disable(hpriv);
+		goto disable_sata;
 
+	return 0;
+
+disable_sata:
+	imx_sata_disable(hpriv);
+disable_clk:
+	clk_disable_unprepare(imxpriv->sata_clk);
 	return ret;
 }
 
 static void ahci_imx_host_stop(struct ata_host *host)
 {
 	struct ahci_host_priv *hpriv = host->private_data;
+	struct imx_ahci_priv *imxpriv = hpriv->plat_data;
 
 	imx_sata_disable(hpriv);
+	clk_disable_unprepare(imxpriv->sata_clk);
 }
 
 #ifdef CONFIG_PM_SLEEP
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index ebe505c1776..b10d81ddb52 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -58,7 +58,7 @@ static int ahci_probe(struct platform_device *pdev)
 	}
 
 	if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci"))
-		hflags |= AHCI_HFLAG_NO_FBS;
+		hflags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ;
 
 	rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info,
 				     hflags, 0, 0);
diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
index 042a9bb45c8..ee3a3659bd9 100644
--- a/drivers/ata/ahci_xgene.c
+++ b/drivers/ata/ahci_xgene.c
@@ -78,6 +78,7 @@
 struct xgene_ahci_context {
 	struct ahci_host_priv *hpriv;
 	struct device *dev;
+	u8 last_cmd[MAX_AHCI_CHN_PERCTR]; /* tracking the last command issued*/
 	void __iomem *csr_core;		/* Core CSR address of IP */
 	void __iomem *csr_diag;		/* Diag CSR address of IP */
 	void __iomem *csr_axi;		/* AXI CSR address of IP */
@@ -98,20 +99,62 @@ static int xgene_ahci_init_memram(struct xgene_ahci_context *ctx)
 }
 
 /**
+ * xgene_ahci_restart_engine - Restart the dma engine.
+ * @ap : ATA port of interest
+ *
+ * Restarts the dma engine inside the controller.
+ */
+static int xgene_ahci_restart_engine(struct ata_port *ap)
+{
+	struct ahci_host_priv *hpriv = ap->host->private_data;
+
+	ahci_stop_engine(ap);
+	ahci_start_fis_rx(ap);
+	hpriv->start_engine(ap);
+
+	return 0;
+}
+
+/**
+ * xgene_ahci_qc_issue - Issue commands to the device
+ * @qc: Command to issue
+ *
+ * Due to Hardware errata for IDENTIFY DEVICE command, the controller cannot
+ * clear the BSY bit after receiving the PIO setup FIS. This results in the dma
+ * state machine goes into the CMFatalErrorUpdate state and locks up. By
+ * restarting the dma engine, it removes the controller out of lock up state.
+ */
+static unsigned int xgene_ahci_qc_issue(struct ata_queued_cmd *qc)
+{
+	struct ata_port *ap = qc->ap;
+	struct ahci_host_priv *hpriv = ap->host->private_data;
+	struct xgene_ahci_context *ctx = hpriv->plat_data;
+	int rc = 0;
+
+	if (unlikely(ctx->last_cmd[ap->port_no] == ATA_CMD_ID_ATA))
+		xgene_ahci_restart_engine(ap);
+
+	rc = ahci_qc_issue(qc);
+
+	/* Save the last command issued */
+	ctx->last_cmd[ap->port_no] = qc->tf.command;
+
+	return rc;
+}
+
+/**
  * xgene_ahci_read_id - Read ID data from the specified device
  * @dev: device
  * @tf: proposed taskfile
  * @id: data buffer
  *
  * This custom read ID function is required due to the fact that the HW
- * does not support DEVSLP and the controller state machine may get stuck
- * after processing the ID query command.
+ * does not support DEVSLP.
  */
 static unsigned int xgene_ahci_read_id(struct ata_device *dev,
 				       struct ata_taskfile *tf, u16 *id)
 {
 	u32 err_mask;
-	void __iomem *port_mmio = ahci_port_base(dev->link->ap);
 
 	err_mask = ata_do_dev_read_id(dev, tf, id);
 	if (err_mask)
@@ -133,16 +176,6 @@ static unsigned int xgene_ahci_read_id(struct ata_device *dev,
 	 */
 	id[ATA_ID_FEATURE_SUPP] &= ~(1 << 8);
 
-	/*
-	 * Due to HW errata, restart the port if no other command active.
-	 * Otherwise the controller may get stuck.
-	 */
-	if (!readl(port_mmio + PORT_CMD_ISSUE)) {
-		writel(PORT_CMD_FIS_RX, port_mmio + PORT_CMD);
-		readl(port_mmio + PORT_CMD);	/* Force a barrier */
-		writel(PORT_CMD_FIS_RX | PORT_CMD_START, port_mmio + PORT_CMD);
-		readl(port_mmio + PORT_CMD);	/* Force a barrier */
-	}
 	return 0;
 }
 
@@ -300,6 +333,7 @@ static struct ata_port_operations xgene_ahci_ops = {
 	.host_stop = xgene_ahci_host_stop,
 	.hardreset = xgene_ahci_hardreset,
 	.read_id = xgene_ahci_read_id,
+	.qc_issue = xgene_ahci_qc_issue,
 };
 
 static const struct ata_port_info xgene_ahci_port_info = {
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 40ea583d361..d72ce047030 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -68,7 +68,6 @@ static ssize_t ahci_transmit_led_message(struct ata_port *ap, u32 state,
 
 static int ahci_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val);
 static int ahci_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val);
-static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc);
 static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc);
 static int ahci_port_start(struct ata_port *ap);
 static void ahci_port_stop(struct ata_port *ap);
@@ -620,7 +619,7 @@ int ahci_stop_engine(struct ata_port *ap)
 }
 EXPORT_SYMBOL_GPL(ahci_stop_engine);
 
-static void ahci_start_fis_rx(struct ata_port *ap)
+void ahci_start_fis_rx(struct ata_port *ap)
 {
 	void __iomem *port_mmio = ahci_port_base(ap);
 	struct ahci_host_priv *hpriv = ap->host->private_data;
@@ -646,6 +645,7 @@ static void ahci_start_fis_rx(struct ata_port *ap)
 	/* flush */
 	readl(port_mmio + PORT_CMD);
 }
+EXPORT_SYMBOL_GPL(ahci_start_fis_rx);
 
 static int ahci_stop_fis_rx(struct ata_port *ap)
 {
@@ -1945,7 +1945,7 @@ irqreturn_t ahci_interrupt(int irq, void *dev_instance)
 }
 EXPORT_SYMBOL_GPL(ahci_interrupt);
 
-static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc)
+unsigned int ahci_qc_issue(struct ata_queued_cmd *qc)
 {
 	struct ata_port *ap = qc->ap;
 	void __iomem *port_mmio = ahci_port_base(ap);
@@ -1974,6 +1974,7 @@ static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(ahci_qc_issue);
 
 static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc)
 {
diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c
index 3a5b4ed25a4..b0077589f06 100644
--- a/drivers/ata/libahci_platform.c
+++ b/drivers/ata/libahci_platform.c
@@ -250,8 +250,13 @@ struct ahci_host_priv *ahci_platform_get_resources(struct platform_device *pdev)
 	if (IS_ERR(hpriv->phy)) {
 		rc = PTR_ERR(hpriv->phy);
 		switch (rc) {
-		case -ENODEV:
 		case -ENOSYS:
+			/* No PHY support. Check if PHY is required. */
+			if (of_find_property(dev->of_node, "phys", NULL)) {
+				dev_err(dev, "couldn't get sata-phy: ENOSYS\n");
+				goto err_out;
+			}
+		case -ENODEV:
 			/* continue normally */
 			hpriv->phy = NULL;
 			break;
diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c
index 83969f8c572..6467c919c50 100644
--- a/drivers/base/dma-contiguous.c
+++ b/drivers/base/dma-contiguous.c
@@ -176,14 +176,24 @@ static int __init cma_activate_area(struct cma *cma)
 		base_pfn = pfn;
 		for (j = pageblock_nr_pages; j; --j, pfn++) {
 			WARN_ON_ONCE(!pfn_valid(pfn));
+			/*
+			 * alloc_contig_range requires the pfn range
+			 * specified to be in the same zone. Make this
+			 * simple by forcing the entire CMA resv range
+			 * to be in the same zone.
+			 */
 			if (page_zone(pfn_to_page(pfn)) != zone)
-				return -EINVAL;
+				goto err;
 		}
 		init_cma_reserved_pageblock(pfn_to_page(base_pfn));
 	} while (--i);
 
 	mutex_init(&cma->lock);
 	return 0;
+
+err:
+	kfree(cma->bitmap);
+	return -EINVAL;
 }
 
 static struct cma cma_areas[MAX_CMA_AREAS];
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index b6c8aaf4931..5b17ec88ea0 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -1337,8 +1337,11 @@ int drbd_submit_peer_request(struct drbd_device *device,
 		return 0;
 	}
 
+	/* Discards don't have any payload.
+	 * But the scsi layer still expects a bio_vec it can use internally,
+	 * see sd_setup_discard_cmnd() and blk_add_request_payload(). */
 	if (peer_req->flags & EE_IS_TRIM)
-		nr_pages = 0; /* discards don't have any payload. */
+		nr_pages = 1;
 
 	/* In most cases, we will only need one bio.  But in case the lower
 	 * level restrictions happen to be different at this offset on this
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 677db049f55..56d46ffb08e 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3777,7 +3777,7 @@ static void floppy_rb0_cb(struct bio *bio, int err)
 	int drive = cbdata->drive;
 
 	if (err) {
-		pr_info("floppy: error %d while reading block 0", err);
+		pr_info("floppy: error %d while reading block 0\n", err);
 		set_bit(FD_OPEN_SHOULD_FAIL_BIT, &UDRS->flags);
 	}
 	complete(&cbdata->complete);
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index bbeb404b3a0..b2c98c1bc03 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1431,6 +1431,14 @@ static bool obj_request_exists_test(struct rbd_obj_request *obj_request)
 	return test_bit(OBJ_REQ_EXISTS, &obj_request->flags) != 0;
 }
 
+static bool obj_request_overlaps_parent(struct rbd_obj_request *obj_request)
+{
+	struct rbd_device *rbd_dev = obj_request->img_request->rbd_dev;
+
+	return obj_request->img_offset <
+	    round_up(rbd_dev->parent_overlap, rbd_obj_bytes(&rbd_dev->header));
+}
+
 static void rbd_obj_request_get(struct rbd_obj_request *obj_request)
 {
 	dout("%s: obj %p (was %d)\n", __func__, obj_request,
@@ -2748,7 +2756,7 @@ static int rbd_img_obj_request_submit(struct rbd_obj_request *obj_request)
 	 */
 	if (!img_request_write_test(img_request) ||
 		!img_request_layered_test(img_request) ||
-		rbd_dev->parent_overlap <= obj_request->img_offset ||
+		!obj_request_overlaps_parent(obj_request) ||
 		((known = obj_request_known_test(obj_request)) &&
 			obj_request_exists_test(obj_request))) {
 
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 48eccb35018..089e72cd37b 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -622,8 +622,10 @@ static void zram_reset_device(struct zram *zram, bool reset_capacity)
 	memset(&zram->stats, 0, sizeof(zram->stats));
 
 	zram->disksize = 0;
-	if (reset_capacity)
+	if (reset_capacity) {
 		set_capacity(zram->disk, 0);
+		revalidate_disk(zram->disk);
+	}
 	up_write(&zram->init_lock);
 }
 
@@ -664,6 +666,7 @@ static ssize_t disksize_store(struct device *dev,
 	zram->comp = comp;
 	zram->disksize = disksize;
 	set_capacity(zram->disk, zram->disksize >> SECTOR_SHIFT);
+	revalidate_disk(zram->disk);
 	up_write(&zram->init_lock);
 	return len;
 
diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c
index d915707d2ba..93dcad0c1cb 100644
--- a/drivers/char/i8k.c
+++ b/drivers/char/i8k.c
@@ -138,7 +138,9 @@ static int i8k_smm(struct smm_regs *regs)
 	if (!alloc_cpumask_var(&old_mask, GFP_KERNEL))
 		return -ENOMEM;
 	cpumask_copy(old_mask, &current->cpus_allowed);
-	set_cpus_allowed_ptr(current, cpumask_of(0));
+	rc = set_cpus_allowed_ptr(current, cpumask_of(0));
+	if (rc)
+		goto out;
 	if (smp_processor_id() != 0) {
 		rc = -EBUSY;
 		goto out;
diff --git a/drivers/clk/clk-s2mps11.c b/drivers/clk/clk-s2mps11.c
index 9b7b5859a42..3757e9e72d3 100644
--- a/drivers/clk/clk-s2mps11.c
+++ b/drivers/clk/clk-s2mps11.c
@@ -230,16 +230,13 @@ static int s2mps11_clk_probe(struct platform_device *pdev)
 			goto err_reg;
 		}
 
-		s2mps11_clk->lookup = devm_kzalloc(&pdev->dev,
-					sizeof(struct clk_lookup), GFP_KERNEL);
+		s2mps11_clk->lookup = clkdev_alloc(s2mps11_clk->clk,
+					s2mps11_name(s2mps11_clk), NULL);
 		if (!s2mps11_clk->lookup) {
 			ret = -ENOMEM;
 			goto err_lup;
 		}
 
-		s2mps11_clk->lookup->con_id = s2mps11_name(s2mps11_clk);
-		s2mps11_clk->lookup->clk = s2mps11_clk->clk;
-
 		clkdev_add(s2mps11_clk->lookup);
 	}
 
diff --git a/drivers/clk/qcom/mmcc-msm8960.c b/drivers/clk/qcom/mmcc-msm8960.c
index 12f3c0b64fc..4c449b3170f 100644
--- a/drivers/clk/qcom/mmcc-msm8960.c
+++ b/drivers/clk/qcom/mmcc-msm8960.c
@@ -1209,7 +1209,7 @@ static struct clk_branch rot_clk = {
 
 static u8 mmcc_pxo_hdmi_map[] = {
 	[P_PXO]		= 0,
-	[P_HDMI_PLL]	= 2,
+	[P_HDMI_PLL]	= 3,
 };
 
 static const char *mmcc_pxo_hdmi[] = {
diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index 4f150c9dd38..7f4a473a7ad 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -925,21 +925,13 @@ static struct samsung_gate_clock exynos4x12_gate_clks[] __initdata = {
 	GATE(CLK_RTC, "rtc", "aclk100", E4X12_GATE_IP_PERIR, 15,
 			0, 0),
 	GATE(CLK_KEYIF, "keyif", "aclk100", E4X12_GATE_IP_PERIR, 16, 0, 0),
-	GATE(CLK_SCLK_PWM_ISP, "sclk_pwm_isp", "div_pwm_isp",
-			E4X12_SRC_MASK_ISP, 0, CLK_SET_RATE_PARENT, 0),
-	GATE(CLK_SCLK_SPI0_ISP, "sclk_spi0_isp", "div_spi0_isp_pre",
-			E4X12_SRC_MASK_ISP, 4, CLK_SET_RATE_PARENT, 0),
-	GATE(CLK_SCLK_SPI1_ISP, "sclk_spi1_isp", "div_spi1_isp_pre",
-			E4X12_SRC_MASK_ISP, 8, CLK_SET_RATE_PARENT, 0),
-	GATE(CLK_SCLK_UART_ISP, "sclk_uart_isp", "div_uart_isp",
-			E4X12_SRC_MASK_ISP, 12, CLK_SET_RATE_PARENT, 0),
-	GATE(CLK_PWM_ISP_SCLK, "pwm_isp_sclk", "sclk_pwm_isp",
+	GATE(CLK_PWM_ISP_SCLK, "pwm_isp_sclk", "div_pwm_isp",
 			E4X12_GATE_IP_ISP, 0, 0, 0),
-	GATE(CLK_SPI0_ISP_SCLK, "spi0_isp_sclk", "sclk_spi0_isp",
+	GATE(CLK_SPI0_ISP_SCLK, "spi0_isp_sclk", "div_spi0_isp_pre",
 			E4X12_GATE_IP_ISP, 1, 0, 0),
-	GATE(CLK_SPI1_ISP_SCLK, "spi1_isp_sclk", "sclk_spi1_isp",
+	GATE(CLK_SPI1_ISP_SCLK, "spi1_isp_sclk", "div_spi1_isp_pre",
 			E4X12_GATE_IP_ISP, 2, 0, 0),
-	GATE(CLK_UART_ISP_SCLK, "uart_isp_sclk", "sclk_uart_isp",
+	GATE(CLK_UART_ISP_SCLK, "uart_isp_sclk", "div_uart_isp",
 			E4X12_GATE_IP_ISP, 3, 0, 0),
 	GATE(CLK_WDT, "watchdog", "aclk100", E4X12_GATE_IP_PERIR, 14, 0, 0),
 	GATE(CLK_PCM0, "pcm0", "aclk100", E4X12_GATE_IP_MAUDIO, 2,
diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c
index 1fad4c5e3f5..184f64293b2 100644
--- a/drivers/clk/samsung/clk-exynos5250.c
+++ b/drivers/clk/samsung/clk-exynos5250.c
@@ -661,7 +661,7 @@ static struct samsung_gate_clock exynos5250_gate_clks[] __initdata = {
 	GATE(CLK_RTC, "rtc", "div_aclk66", GATE_IP_PERIS, 20, 0, 0),
 	GATE(CLK_TMU, "tmu", "div_aclk66", GATE_IP_PERIS, 21, 0, 0),
 	GATE(CLK_SMMU_TV, "smmu_tv", "mout_aclk200_disp1_sub",
-			GATE_IP_DISP1, 2, 0, 0),
+			GATE_IP_DISP1, 9, 0, 0),
 	GATE(CLK_SMMU_FIMD1, "smmu_fimd1", "mout_aclk200_disp1_sub",
 			GATE_IP_DISP1, 8, 0, 0),
 	GATE(CLK_SMMU_2D, "smmu_2d", "div_aclk200", GATE_IP_ACP, 7, 0, 0),
diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index 9d7d7eed03f..a4e6cc782e5 100644
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -631,7 +631,8 @@ static struct samsung_mux_clock exynos5x_mux_clks[] __initdata = {
 			SRC_TOP4, 16, 1),
 	MUX(0, "mout_user_aclk266", mout_user_aclk266_p, SRC_TOP4, 20, 1),
 	MUX(0, "mout_user_aclk166", mout_user_aclk166_p, SRC_TOP4, 24, 1),
-	MUX(0, "mout_user_aclk333", mout_user_aclk333_p, SRC_TOP4, 28, 1),
+	MUX(CLK_MOUT_USER_ACLK333, "mout_user_aclk333", mout_user_aclk333_p,
+			SRC_TOP4, 28, 1),
 
 	MUX(0, "mout_user_aclk400_disp1", mout_user_aclk400_disp1_p,
 			SRC_TOP5, 0, 1),
@@ -684,7 +685,8 @@ static struct samsung_mux_clock exynos5x_mux_clks[] __initdata = {
 			SRC_TOP11, 12, 1),
 	MUX(0, "mout_sw_aclk266", mout_sw_aclk266_p, SRC_TOP11, 20, 1),
 	MUX(0, "mout_sw_aclk166", mout_sw_aclk166_p, SRC_TOP11, 24, 1),
-	MUX(0, "mout_sw_aclk333", mout_sw_aclk333_p, SRC_TOP11, 28, 1),
+	MUX(CLK_MOUT_SW_ACLK333, "mout_sw_aclk333", mout_sw_aclk333_p,
+			SRC_TOP11, 28, 1),
 
 	MUX(0, "mout_sw_aclk400_disp1", mout_sw_aclk400_disp1_p,
 			SRC_TOP12, 4, 1),
@@ -890,8 +892,6 @@ static struct samsung_gate_clock exynos5x_gate_clks[] __initdata = {
 			GATE_BUS_TOP, 9, CLK_IGNORE_UNUSED, 0),
 	GATE(0, "aclk66_psgen", "mout_user_aclk66_psgen",
 			GATE_BUS_TOP, 10, CLK_IGNORE_UNUSED, 0),
-	GATE(CLK_ACLK66_PERIC, "aclk66_peric", "mout_user_aclk66_peric",
-			GATE_BUS_TOP, 11, CLK_IGNORE_UNUSED, 0),
 	GATE(0, "aclk266_isp", "mout_user_aclk266_isp",
 			GATE_BUS_TOP, 13, 0, 0),
 	GATE(0, "aclk166", "mout_user_aclk166",
@@ -994,34 +994,61 @@ static struct samsung_gate_clock exynos5x_gate_clks[] __initdata = {
 			SRC_MASK_FSYS, 24, CLK_SET_RATE_PARENT, 0),
 
 	/* PERIC Block */
-	GATE(CLK_UART0, "uart0", "aclk66_peric", GATE_IP_PERIC, 0, 0, 0),
-	GATE(CLK_UART1, "uart1", "aclk66_peric", GATE_IP_PERIC, 1, 0, 0),
-	GATE(CLK_UART2, "uart2", "aclk66_peric", GATE_IP_PERIC, 2, 0, 0),
-	GATE(CLK_UART3, "uart3", "aclk66_peric", GATE_IP_PERIC, 3, 0, 0),
-	GATE(CLK_I2C0, "i2c0", "aclk66_peric", GATE_IP_PERIC, 6, 0, 0),
-	GATE(CLK_I2C1, "i2c1", "aclk66_peric", GATE_IP_PERIC, 7, 0, 0),
-	GATE(CLK_I2C2, "i2c2", "aclk66_peric", GATE_IP_PERIC, 8, 0, 0),
-	GATE(CLK_I2C3, "i2c3", "aclk66_peric", GATE_IP_PERIC, 9, 0, 0),
-	GATE(CLK_USI0, "usi0", "aclk66_peric", GATE_IP_PERIC, 10, 0, 0),
-	GATE(CLK_USI1, "usi1", "aclk66_peric", GATE_IP_PERIC, 11, 0, 0),
-	GATE(CLK_USI2, "usi2", "aclk66_peric", GATE_IP_PERIC, 12, 0, 0),
-	GATE(CLK_USI3, "usi3", "aclk66_peric", GATE_IP_PERIC, 13, 0, 0),
-	GATE(CLK_I2C_HDMI, "i2c_hdmi", "aclk66_peric", GATE_IP_PERIC, 14, 0, 0),
-	GATE(CLK_TSADC, "tsadc", "aclk66_peric", GATE_IP_PERIC, 15, 0, 0),
-	GATE(CLK_SPI0, "spi0", "aclk66_peric", GATE_IP_PERIC, 16, 0, 0),
-	GATE(CLK_SPI1, "spi1", "aclk66_peric", GATE_IP_PERIC, 17, 0, 0),
-	GATE(CLK_SPI2, "spi2", "aclk66_peric", GATE_IP_PERIC, 18, 0, 0),
-	GATE(CLK_I2S1, "i2s1", "aclk66_peric", GATE_IP_PERIC, 20, 0, 0),
-	GATE(CLK_I2S2, "i2s2", "aclk66_peric", GATE_IP_PERIC, 21, 0, 0),
-	GATE(CLK_PCM1, "pcm1", "aclk66_peric", GATE_IP_PERIC, 22, 0, 0),
-	GATE(CLK_PCM2, "pcm2", "aclk66_peric", GATE_IP_PERIC, 23, 0, 0),
-	GATE(CLK_PWM, "pwm", "aclk66_peric", GATE_IP_PERIC, 24, 0, 0),
-	GATE(CLK_SPDIF, "spdif", "aclk66_peric", GATE_IP_PERIC, 26, 0, 0),
-	GATE(CLK_USI4, "usi4", "aclk66_peric", GATE_IP_PERIC, 28, 0, 0),
-	GATE(CLK_USI5, "usi5", "aclk66_peric", GATE_IP_PERIC, 30, 0, 0),
-	GATE(CLK_USI6, "usi6", "aclk66_peric", GATE_IP_PERIC, 31, 0, 0),
-
-	GATE(CLK_KEYIF, "keyif", "aclk66_peric", GATE_BUS_PERIC, 22, 0, 0),
+	GATE(CLK_UART0, "uart0", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 0, 0, 0),
+	GATE(CLK_UART1, "uart1", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 1, 0, 0),
+	GATE(CLK_UART2, "uart2", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 2, 0, 0),
+	GATE(CLK_UART3, "uart3", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 3, 0, 0),
+	GATE(CLK_I2C0, "i2c0", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 6, 0, 0),
+	GATE(CLK_I2C1, "i2c1", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 7, 0, 0),
+	GATE(CLK_I2C2, "i2c2", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 8, 0, 0),
+	GATE(CLK_I2C3, "i2c3", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 9, 0, 0),
+	GATE(CLK_USI0, "usi0", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 10, 0, 0),
+	GATE(CLK_USI1, "usi1", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 11, 0, 0),
+	GATE(CLK_USI2, "usi2", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 12, 0, 0),
+	GATE(CLK_USI3, "usi3", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 13, 0, 0),
+	GATE(CLK_I2C_HDMI, "i2c_hdmi", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 14, 0, 0),
+	GATE(CLK_TSADC, "tsadc", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 15, 0, 0),
+	GATE(CLK_SPI0, "spi0", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 16, 0, 0),
+	GATE(CLK_SPI1, "spi1", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 17, 0, 0),
+	GATE(CLK_SPI2, "spi2", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 18, 0, 0),
+	GATE(CLK_I2S1, "i2s1", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 20, 0, 0),
+	GATE(CLK_I2S2, "i2s2", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 21, 0, 0),
+	GATE(CLK_PCM1, "pcm1", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 22, 0, 0),
+	GATE(CLK_PCM2, "pcm2", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 23, 0, 0),
+	GATE(CLK_PWM, "pwm", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 24, 0, 0),
+	GATE(CLK_SPDIF, "spdif", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 26, 0, 0),
+	GATE(CLK_USI4, "usi4", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 28, 0, 0),
+	GATE(CLK_USI5, "usi5", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 30, 0, 0),
+	GATE(CLK_USI6, "usi6", "mout_user_aclk66_peric",
+			GATE_IP_PERIC, 31, 0, 0),
+
+	GATE(CLK_KEYIF, "keyif", "mout_user_aclk66_peric",
+			GATE_BUS_PERIC, 22, 0, 0),
 
 	/* PERIS Block */
 	GATE(CLK_CHIPID, "chipid", "aclk66_psgen",
diff --git a/drivers/clk/samsung/clk-s3c2410.c b/drivers/clk/samsung/clk-s3c2410.c
index ba0716801db..140f4733c02 100644
--- a/drivers/clk/samsung/clk-s3c2410.c
+++ b/drivers/clk/samsung/clk-s3c2410.c
@@ -152,6 +152,11 @@ struct samsung_clock_alias s3c2410_common_aliases[] __initdata = {
 	ALIAS(HCLK, NULL, "hclk"),
 	ALIAS(MPLL, NULL, "mpll"),
 	ALIAS(FCLK, NULL, "fclk"),
+	ALIAS(PCLK, NULL, "watchdog"),
+	ALIAS(PCLK_SDI, NULL, "sdi"),
+	ALIAS(HCLK_NAND, NULL, "nand"),
+	ALIAS(PCLK_I2S, NULL, "iis"),
+	ALIAS(PCLK_I2C, NULL, "i2c"),
 };
 
 /* S3C2410 specific clocks */
@@ -378,7 +383,7 @@ void __init s3c2410_common_clk_init(struct device_node *np, unsigned long xti_f,
 	if (!np)
 		s3c2410_common_clk_register_fixed_ext(ctx, xti_f);
 
-	if (current_soc == 2410) {
+	if (current_soc == S3C2410) {
 		if (_get_rate("xti") == 12 * MHZ) {
 			s3c2410_plls[mpll].rate_table = pll_s3c2410_12mhz_tbl;
 			s3c2410_plls[upll].rate_table = pll_s3c2410_12mhz_tbl;
@@ -432,7 +437,7 @@ void __init s3c2410_common_clk_init(struct device_node *np, unsigned long xti_f,
 		samsung_clk_register_fixed_factor(ctx, s3c2410_ffactor,
 				ARRAY_SIZE(s3c2410_ffactor));
 		samsung_clk_register_alias(ctx, s3c2410_aliases,
-			ARRAY_SIZE(s3c2410_common_aliases));
+			ARRAY_SIZE(s3c2410_aliases));
 		break;
 	case S3C2440:
 		samsung_clk_register_mux(ctx, s3c2440_muxes,
diff --git a/drivers/clk/samsung/clk-s3c64xx.c b/drivers/clk/samsung/clk-s3c64xx.c
index efa16ee592c..8889ff1c10f 100644
--- a/drivers/clk/samsung/clk-s3c64xx.c
+++ b/drivers/clk/samsung/clk-s3c64xx.c
@@ -418,8 +418,10 @@ static struct samsung_clock_alias s3c64xx_clock_aliases[] = {
 	ALIAS(SCLK_MMC2, "s3c-sdhci.2", "mmc_busclk.2"),
 	ALIAS(SCLK_MMC1, "s3c-sdhci.1", "mmc_busclk.2"),
 	ALIAS(SCLK_MMC0, "s3c-sdhci.0", "mmc_busclk.2"),
-	ALIAS(SCLK_SPI1, "s3c6410-spi.1", "spi-bus"),
-	ALIAS(SCLK_SPI0, "s3c6410-spi.0", "spi-bus"),
+	ALIAS(PCLK_SPI1, "s3c6410-spi.1", "spi_busclk0"),
+	ALIAS(SCLK_SPI1, "s3c6410-spi.1", "spi_busclk2"),
+	ALIAS(PCLK_SPI0, "s3c6410-spi.0", "spi_busclk0"),
+	ALIAS(SCLK_SPI0, "s3c6410-spi.0", "spi_busclk2"),
 	ALIAS(SCLK_AUDIO1, "samsung-pcm.1", "audio-bus"),
 	ALIAS(SCLK_AUDIO1, "samsung-i2s.1", "audio-bus"),
 	ALIAS(SCLK_AUDIO0, "samsung-pcm.0", "audio-bus"),
diff --git a/drivers/clk/spear/spear3xx_clock.c b/drivers/clk/spear/spear3xx_clock.c
index c2d20431554..bb5f387774e 100644
--- a/drivers/clk/spear/spear3xx_clock.c
+++ b/drivers/clk/spear/spear3xx_clock.c
@@ -211,7 +211,7 @@ static inline void spear310_clk_init(void) { }
 /* array of all spear 320 clock lookups */
 #ifdef CONFIG_MACH_SPEAR320
 
-#define SPEAR320_CONTROL_REG		(soc_config_base + 0x0000)
+#define SPEAR320_CONTROL_REG		(soc_config_base + 0x0010)
 #define SPEAR320_EXT_CTRL_REG		(soc_config_base + 0x0018)
 
 	#define SPEAR320_UARTX_PCLK_MASK		0x1
@@ -245,7 +245,8 @@ static const char *smii0_parents[] = { "smii_125m_pad", "ras_pll2_clk",
 	"ras_syn0_gclk", };
 static const char *uartx_parents[] = { "ras_syn1_gclk", "ras_apb_clk", };
 
-static void __init spear320_clk_init(void __iomem *soc_config_base)
+static void __init spear320_clk_init(void __iomem *soc_config_base,
+				     struct clk *ras_apb_clk)
 {
 	struct clk *clk;
 
@@ -342,6 +343,8 @@ static void __init spear320_clk_init(void __iomem *soc_config_base)
 			SPEAR320_CONTROL_REG, UART1_PCLK_SHIFT, UART1_PCLK_MASK,
 			0, &_lock);
 	clk_register_clkdev(clk, NULL, "a3000000.serial");
+	/* Enforce ras_apb_clk */
+	clk_set_parent(clk, ras_apb_clk);
 
 	clk = clk_register_mux(NULL, "uart2_clk", uartx_parents,
 			ARRAY_SIZE(uartx_parents),
@@ -349,6 +352,8 @@ static void __init spear320_clk_init(void __iomem *soc_config_base)
 			SPEAR320_EXT_CTRL_REG, SPEAR320_UART2_PCLK_SHIFT,
 			SPEAR320_UARTX_PCLK_MASK, 0, &_lock);
 	clk_register_clkdev(clk, NULL, "a4000000.serial");
+	/* Enforce ras_apb_clk */
+	clk_set_parent(clk, ras_apb_clk);
 
 	clk = clk_register_mux(NULL, "uart3_clk", uartx_parents,
 			ARRAY_SIZE(uartx_parents),
@@ -379,12 +384,12 @@ static void __init spear320_clk_init(void __iomem *soc_config_base)
 	clk_register_clkdev(clk, NULL, "60100000.serial");
 }
 #else
-static inline void spear320_clk_init(void __iomem *soc_config_base) { }
+static inline void spear320_clk_init(void __iomem *sb, struct clk *rc) { }
 #endif
 
 void __init spear3xx_clk_init(void __iomem *misc_base, void __iomem *soc_config_base)
 {
-	struct clk *clk, *clk1;
+	struct clk *clk, *clk1, *ras_apb_clk;
 
 	clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, CLK_IS_ROOT,
 			32000);
@@ -613,6 +618,7 @@ void __init spear3xx_clk_init(void __iomem *misc_base, void __iomem *soc_config_
 	clk = clk_register_gate(NULL, "ras_apb_clk", "apb_clk", 0, RAS_CLK_ENB,
 			RAS_APB_CLK_ENB, 0, &_lock);
 	clk_register_clkdev(clk, "ras_apb_clk", NULL);
+	ras_apb_clk = clk;
 
 	clk = clk_register_gate(NULL, "ras_32k_clk", "osc_32k_clk", 0,
 			RAS_CLK_ENB, RAS_32K_CLK_ENB, 0, &_lock);
@@ -659,5 +665,5 @@ void __init spear3xx_clk_init(void __iomem *misc_base, void __iomem *soc_config_
 	else if (of_machine_is_compatible("st,spear310"))
 		spear310_clk_init();
 	else if (of_machine_is_compatible("st,spear320"))
-		spear320_clk_init(soc_config_base);
+		spear320_clk_init(soc_config_base, ras_apb_clk);
 }
diff --git a/drivers/clk/sunxi/clk-sun6i-apb0-gates.c b/drivers/clk/sunxi/clk-sun6i-apb0-gates.c
index 44cd27c5c40..670f90d629d 100644
--- a/drivers/clk/sunxi/clk-sun6i-apb0-gates.c
+++ b/drivers/clk/sunxi/clk-sun6i-apb0-gates.c
@@ -29,7 +29,7 @@ static int sun6i_a31_apb0_gates_clk_probe(struct platform_device *pdev)
 
 	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	reg = devm_ioremap_resource(&pdev->dev, r);
-	if (!reg)
+	if (IS_ERR(reg))
 		return PTR_ERR(reg);
 
 	clk_parent = of_clk_get_parent_name(np, 0);
diff --git a/drivers/clk/ti/apll.c b/drivers/clk/ti/apll.c
index 5428c9c547c..72d97279eae 100644
--- a/drivers/clk/ti/apll.c
+++ b/drivers/clk/ti/apll.c
@@ -77,13 +77,11 @@ static int dra7_apll_enable(struct clk_hw *hw)
 	if (i == MAX_APLL_WAIT_TRIES) {
 		pr_warn("clock: %s failed transition to '%s'\n",
 			clk_name, (state) ? "locked" : "bypassed");
-	} else {
+		r = -EBUSY;
+	} else
 		pr_debug("clock: %s transition to '%s' in %d loops\n",
 			 clk_name, (state) ? "locked" : "bypassed", i);
 
-		r = 0;
-	}
-
 	return r;
 }
 
@@ -338,7 +336,7 @@ static void __init of_omap2_apll_setup(struct device_node *node)
 	const char *parent_name;
 	u32 val;
 
-	ad = kzalloc(sizeof(*clk_hw), GFP_KERNEL);
+	ad = kzalloc(sizeof(*ad), GFP_KERNEL);
 	clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL);
 	init = kzalloc(sizeof(*init), GFP_KERNEL);
 
diff --git a/drivers/clk/ti/dpll.c b/drivers/clk/ti/dpll.c
index abd956d5f83..79791e1bf28 100644
--- a/drivers/clk/ti/dpll.c
+++ b/drivers/clk/ti/dpll.c
@@ -161,7 +161,8 @@ cleanup:
 }
 
 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \
-	defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM33XX)
+	defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM33XX) || \
+	defined(CONFIG_SOC_AM43XX)
 /**
  * ti_clk_register_dpll_x2 - Registers a DPLLx2 clock
  * @node: device node for this clock
@@ -322,7 +323,7 @@ CLK_OF_DECLARE(ti_omap4_dpll_x2_clock, "ti,omap4-dpll-x2-clock",
 	       of_ti_omap4_dpll_x2_setup);
 #endif
 
-#ifdef CONFIG_SOC_AM33XX
+#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
 static void __init of_ti_am3_dpll_x2_setup(struct device_node *node)
 {
 	ti_clk_register_dpll_x2(node, &dpll_x2_ck_ops, NULL);
diff --git a/drivers/clk/ti/mux.c b/drivers/clk/ti/mux.c
index 0197a478720..e9d650e5128 100644
--- a/drivers/clk/ti/mux.c
+++ b/drivers/clk/ti/mux.c
@@ -160,7 +160,7 @@ static void of_mux_clk_setup(struct device_node *node)
 	u8 clk_mux_flags = 0;
 	u32 mask = 0;
 	u32 shift = 0;
-	u32 flags = 0;
+	u32 flags = CLK_SET_RATE_NO_REPARENT;
 
 	num_parents = of_clk_get_parent_count(node);
 	if (num_parents < 2) {
diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
index 8d6420013a0..ab51bf20a3e 100644
--- a/drivers/clocksource/exynos_mct.c
+++ b/drivers/clocksource/exynos_mct.c
@@ -153,19 +153,16 @@ static void exynos4_mct_write(unsigned int value, unsigned long offset)
 }
 
 /* Clocksource handling */
-static void exynos4_mct_frc_start(u32 hi, u32 lo)
+static void exynos4_mct_frc_start(void)
 {
 	u32 reg;
 
-	exynos4_mct_write(lo, EXYNOS4_MCT_G_CNT_L);
-	exynos4_mct_write(hi, EXYNOS4_MCT_G_CNT_U);
-
 	reg = __raw_readl(reg_base + EXYNOS4_MCT_G_TCON);
 	reg |= MCT_G_TCON_START;
 	exynos4_mct_write(reg, EXYNOS4_MCT_G_TCON);
 }
 
-static cycle_t exynos4_frc_read(struct clocksource *cs)
+static cycle_t notrace _exynos4_frc_read(void)
 {
 	unsigned int lo, hi;
 	u32 hi2 = __raw_readl(reg_base + EXYNOS4_MCT_G_CNT_U);
@@ -179,9 +176,14 @@ static cycle_t exynos4_frc_read(struct clocksource *cs)
 	return ((cycle_t)hi << 32) | lo;
 }
 
+static cycle_t exynos4_frc_read(struct clocksource *cs)
+{
+	return _exynos4_frc_read();
+}
+
 static void exynos4_frc_resume(struct clocksource *cs)
 {
-	exynos4_mct_frc_start(0, 0);
+	exynos4_mct_frc_start();
 }
 
 struct clocksource mct_frc = {
@@ -195,12 +197,23 @@ struct clocksource mct_frc = {
 
 static u64 notrace exynos4_read_sched_clock(void)
 {
-	return exynos4_frc_read(&mct_frc);
+	return _exynos4_frc_read();
+}
+
+static struct delay_timer exynos4_delay_timer;
+
+static cycles_t exynos4_read_current_timer(void)
+{
+	return _exynos4_frc_read();
 }
 
 static void __init exynos4_clocksource_init(void)
 {
-	exynos4_mct_frc_start(0, 0);
+	exynos4_mct_frc_start();
+
+	exynos4_delay_timer.read_current_timer = &exynos4_read_current_timer;
+	exynos4_delay_timer.freq = clk_rate;
+	register_current_timer_delay(&exynos4_delay_timer);
 
 	if (clocksource_register_hz(&mct_frc, clk_rate))
 		panic("%s: can't register clocksource\n", mct_frc.name);
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
index 738c8b7b17d..db6d9a2fea4 100644
--- a/drivers/cpufreq/Makefile
+++ b/drivers/cpufreq/Makefile
@@ -49,7 +49,7 @@ obj-$(CONFIG_ARM_BIG_LITTLE_CPUFREQ)	+= arm_big_little.o
 # LITTLE drivers, so that it is probed last.
 obj-$(CONFIG_ARM_DT_BL_CPUFREQ)		+= arm_big_little_dt.o
 
-obj-$(CONFIG_ARCH_DAVINCI_DA850)	+= davinci-cpufreq.o
+obj-$(CONFIG_ARCH_DAVINCI)		+= davinci-cpufreq.o
 obj-$(CONFIG_UX500_SOC_DB8500)		+= dbx500-cpufreq.o
 obj-$(CONFIG_ARM_EXYNOS_CPUFREQ)	+= exynos-cpufreq.o
 obj-$(CONFIG_ARM_EXYNOS4210_CPUFREQ)	+= exynos4210-cpufreq.o
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 924bb2d42b1..86631cb6f7d 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -128,6 +128,7 @@ static struct pstate_funcs pstate_funcs;
 
 struct perf_limits {
 	int no_turbo;
+	int turbo_disabled;
 	int max_perf_pct;
 	int min_perf_pct;
 	int32_t max_perf;
@@ -287,7 +288,10 @@ static ssize_t store_no_turbo(struct kobject *a, struct attribute *b,
 	if (ret != 1)
 		return -EINVAL;
 	limits.no_turbo = clamp_t(int, input, 0 , 1);
-
+	if (limits.turbo_disabled) {
+		pr_warn("Turbo disabled by BIOS or unavailable on processor\n");
+		limits.no_turbo = limits.turbo_disabled;
+	}
 	return count;
 }
 
@@ -357,21 +361,21 @@ static int byt_get_min_pstate(void)
 {
 	u64 value;
 	rdmsrl(BYT_RATIOS, value);
-	return (value >> 8) & 0x3F;
+	return (value >> 8) & 0x7F;
 }
 
 static int byt_get_max_pstate(void)
 {
 	u64 value;
 	rdmsrl(BYT_RATIOS, value);
-	return (value >> 16) & 0x3F;
+	return (value >> 16) & 0x7F;
 }
 
 static int byt_get_turbo_pstate(void)
 {
 	u64 value;
 	rdmsrl(BYT_TURBO_RATIOS, value);
-	return value & 0x3F;
+	return value & 0x7F;
 }
 
 static void byt_set_pstate(struct cpudata *cpudata, int pstate)
@@ -381,7 +385,7 @@ static void byt_set_pstate(struct cpudata *cpudata, int pstate)
 	u32 vid;
 
 	val = pstate << 8;
-	if (limits.no_turbo)
+	if (limits.no_turbo && !limits.turbo_disabled)
 		val |= (u64)1 << 32;
 
 	vid_fp = cpudata->vid.min + mul_fp(
@@ -405,8 +409,8 @@ static void byt_get_vid(struct cpudata *cpudata)
 
 
 	rdmsrl(BYT_VIDS, value);
-	cpudata->vid.min = int_tofp((value >> 8) & 0x3f);
-	cpudata->vid.max = int_tofp((value >> 16) & 0x3f);
+	cpudata->vid.min = int_tofp((value >> 8) & 0x7f);
+	cpudata->vid.max = int_tofp((value >> 16) & 0x7f);
 	cpudata->vid.ratio = div_fp(
 		cpudata->vid.max - cpudata->vid.min,
 		int_tofp(cpudata->pstate.max_pstate -
@@ -448,7 +452,7 @@ static void core_set_pstate(struct cpudata *cpudata, int pstate)
 	u64 val;
 
 	val = pstate << 8;
-	if (limits.no_turbo)
+	if (limits.no_turbo && !limits.turbo_disabled)
 		val |= (u64)1 << 32;
 
 	wrmsrl_on_cpu(cpudata->cpu, MSR_IA32_PERF_CTL, val);
@@ -696,9 +700,8 @@ static int intel_pstate_init_cpu(unsigned int cpunum)
 
 	cpu = all_cpu_data[cpunum];
 
-	intel_pstate_get_cpu_pstates(cpu);
-
 	cpu->cpu = cpunum;
+	intel_pstate_get_cpu_pstates(cpu);
 
 	init_timer_deferrable(&cpu->timer);
 	cpu->timer.function = intel_pstate_timer_func;
@@ -741,7 +744,7 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy)
 		limits.min_perf = int_tofp(1);
 		limits.max_perf_pct = 100;
 		limits.max_perf = int_tofp(1);
-		limits.no_turbo = 0;
+		limits.no_turbo = limits.turbo_disabled;
 		return 0;
 	}
 	limits.min_perf_pct = (policy->min * 100) / policy->cpuinfo.max_freq;
@@ -784,6 +787,7 @@ static int intel_pstate_cpu_init(struct cpufreq_policy *policy)
 {
 	struct cpudata *cpu;
 	int rc;
+	u64 misc_en;
 
 	rc = intel_pstate_init_cpu(policy->cpu);
 	if (rc)
@@ -791,8 +795,13 @@ static int intel_pstate_cpu_init(struct cpufreq_policy *policy)
 
 	cpu = all_cpu_data[policy->cpu];
 
-	if (!limits.no_turbo &&
-		limits.min_perf_pct == 100 && limits.max_perf_pct == 100)
+	rdmsrl(MSR_IA32_MISC_ENABLE, misc_en);
+	if (misc_en & MSR_IA32_MISC_ENABLE_TURBO_DISABLE ||
+		cpu->pstate.max_pstate == cpu->pstate.turbo_pstate) {
+		limits.turbo_disabled = 1;
+		limits.no_turbo = 1;
+	}
+	if (limits.min_perf_pct == 100 && limits.max_perf_pct == 100)
 		policy->policy = CPUFREQ_POLICY_PERFORMANCE;
 	else
 		policy->policy = CPUFREQ_POLICY_POWERSAVE;
diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index 1d80bd3636c..b512a4ba756 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -453,8 +453,8 @@ static int caam_jr_probe(struct platform_device *pdev)
 	int error;
 
 	jrdev = &pdev->dev;
-	jrpriv = kmalloc(sizeof(struct caam_drv_private_jr),
-			 GFP_KERNEL);
+	jrpriv = devm_kmalloc(jrdev, sizeof(struct caam_drv_private_jr),
+			      GFP_KERNEL);
 	if (!jrpriv)
 		return -ENOMEM;
 
@@ -487,10 +487,8 @@ static int caam_jr_probe(struct platform_device *pdev)
 
 	/* Now do the platform independent part */
 	error = caam_jr_init(jrdev); /* now turn on hardware */
-	if (error) {
-		kfree(jrpriv);
+	if (error)
 		return error;
-	}
 
 	jrpriv->dev = jrdev;
 	spin_lock(&driver_data.jr_alloc_lock);
diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
index d028f36ae65..8f8b0b60887 100644
--- a/drivers/dma/cppi41.c
+++ b/drivers/dma/cppi41.c
@@ -86,6 +86,9 @@
 
 #define USBSS_IRQ_PD_COMP	(1 <<  2)
 
+/* Packet Descriptor */
+#define PD2_ZERO_LENGTH		(1 << 19)
+
 struct cppi41_channel {
 	struct dma_chan chan;
 	struct dma_async_tx_descriptor txd;
@@ -307,7 +310,7 @@ static irqreturn_t cppi41_irq(int irq, void *data)
 			__iormb();
 
 		while (val) {
-			u32 desc;
+			u32 desc, len;
 
 			q_num = __fls(val);
 			val &= ~(1 << q_num);
@@ -319,9 +322,13 @@ static irqreturn_t cppi41_irq(int irq, void *data)
 						q_num, desc);
 				continue;
 			}
-			c->residue = pd_trans_len(c->desc->pd6) -
-				pd_trans_len(c->desc->pd0);
 
+			if (c->desc->pd2 & PD2_ZERO_LENGTH)
+				len = 0;
+			else
+				len = pd_trans_len(c->desc->pd0);
+
+			c->residue = pd_trans_len(c->desc->pd6) - len;
 			dma_cookie_complete(&c->txd);
 			c->txd.callback(c->txd.callback_param);
 		}
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 128714622bf..14867e3ac8f 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -255,6 +255,7 @@ struct sdma_channel {
 	enum dma_slave_buswidth		word_size;
 	unsigned int			buf_tail;
 	unsigned int			num_bd;
+	unsigned int			period_len;
 	struct sdma_buffer_descriptor	*bd;
 	dma_addr_t			bd_phys;
 	unsigned int			pc_from_device, pc_to_device;
@@ -593,6 +594,12 @@ static void sdma_event_disable(struct sdma_channel *sdmac, unsigned int event)
 
 static void sdma_handle_channel_loop(struct sdma_channel *sdmac)
 {
+	if (sdmac->desc.callback)
+		sdmac->desc.callback(sdmac->desc.callback_param);
+}
+
+static void sdma_update_channel_loop(struct sdma_channel *sdmac)
+{
 	struct sdma_buffer_descriptor *bd;
 
 	/*
@@ -611,9 +618,6 @@ static void sdma_handle_channel_loop(struct sdma_channel *sdmac)
 		bd->mode.status |= BD_DONE;
 		sdmac->buf_tail++;
 		sdmac->buf_tail %= sdmac->num_bd;
-
-		if (sdmac->desc.callback)
-			sdmac->desc.callback(sdmac->desc.callback_param);
 	}
 }
 
@@ -669,6 +673,9 @@ static irqreturn_t sdma_int_handler(int irq, void *dev_id)
 		int channel = fls(stat) - 1;
 		struct sdma_channel *sdmac = &sdma->channel[channel];
 
+		if (sdmac->flags & IMX_DMA_SG_LOOP)
+			sdma_update_channel_loop(sdmac);
+
 		tasklet_schedule(&sdmac->tasklet);
 
 		__clear_bit(channel, &stat);
@@ -1129,6 +1136,7 @@ static struct dma_async_tx_descriptor *sdma_prep_dma_cyclic(
 	sdmac->status = DMA_IN_PROGRESS;
 
 	sdmac->buf_tail = 0;
+	sdmac->period_len = period_len;
 
 	sdmac->flags |= IMX_DMA_SG_LOOP;
 	sdmac->direction = direction;
@@ -1225,9 +1233,15 @@ static enum dma_status sdma_tx_status(struct dma_chan *chan,
 				      struct dma_tx_state *txstate)
 {
 	struct sdma_channel *sdmac = to_sdma_chan(chan);
+	u32 residue;
+
+	if (sdmac->flags & IMX_DMA_SG_LOOP)
+		residue = (sdmac->num_bd - sdmac->buf_tail) * sdmac->period_len;
+	else
+		residue = sdmac->chn_count - sdmac->chn_real_count;
 
 	dma_set_tx_state(txstate, chan->completed_cookie, chan->cookie,
-			sdmac->chn_count - sdmac->chn_real_count);
+			 residue);
 
 	return sdmac->status;
 }
diff --git a/drivers/firmware/efi/efi-pstore.c b/drivers/firmware/efi/efi-pstore.c
index 4b9dc836dcf..e992abc5ef2 100644
--- a/drivers/firmware/efi/efi-pstore.c
+++ b/drivers/firmware/efi/efi-pstore.c
@@ -40,7 +40,7 @@ struct pstore_read_data {
 static inline u64 generic_id(unsigned long timestamp,
 			     unsigned int part, int count)
 {
-	return (timestamp * 100 + part) * 1000 + count;
+	return ((u64) timestamp * 100 + part) * 1000 + count;
 }
 
 static int efi_pstore_read_func(struct efivar_entry *entry, void *data)
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index cd36deb619f..eff1a2f22f0 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -353,10 +353,10 @@ static int __init fdt_find_uefi_params(unsigned long node, const char *uname,
 				       int depth, void *data)
 {
 	struct param_info *info = data;
-	void *prop, *dest;
-	unsigned long len;
+	const void *prop;
+	void *dest;
 	u64 val;
-	int i;
+	int i, len;
 
 	if (depth != 1 ||
 	    (strcmp(uname, "chosen") != 0 && strcmp(uname, "chosen@0") != 0))
diff --git a/drivers/firmware/efi/fdt.c b/drivers/firmware/efi/fdt.c
index 5c6a8e8a958..82d774161cc 100644
--- a/drivers/firmware/efi/fdt.c
+++ b/drivers/firmware/efi/fdt.c
@@ -63,7 +63,7 @@ static efi_status_t update_fdt(efi_system_table_t *sys_table, void *orig_fdt,
 	 */
 	prev = 0;
 	for (;;) {
-		const char *type, *name;
+		const char *type;
 		int len;
 
 		node = fdt_next_node(fdt, prev, NULL);
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 03711d00aaa..8218078b613 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -419,8 +419,9 @@ long drm_ioctl(struct file *filp,
 			retcode = -EFAULT;
 			goto err_i1;
 		}
-	} else
+	} else if (cmd & IOC_OUT) {
 		memset(kdata, 0, usize);
+	}
 
 	if (ioctl->flags & DRM_UNLOCKED)
 		retcode = func(dev, kdata, file_priv);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
index 482127f633c..9e530f205ad 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
@@ -40,7 +40,7 @@ exynos_dpi_detect(struct drm_connector *connector, bool force)
 {
 	struct exynos_dpi *ctx = connector_to_dpi(connector);
 
-	if (!ctx->panel->connector)
+	if (ctx->panel && !ctx->panel->connector)
 		drm_panel_attach(ctx->panel, &ctx->connector);
 
 	return connector_status_connected;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index d91f2777753..ab7d182063c 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -765,24 +765,24 @@ static int exynos_drm_init(void)
 
 	return 0;
 
-err_unregister_pd:
-	platform_device_unregister(exynos_drm_pdev);
-
 err_remove_vidi:
 #ifdef CONFIG_DRM_EXYNOS_VIDI
 	exynos_drm_remove_vidi();
+
+err_unregister_pd:
 #endif
+	platform_device_unregister(exynos_drm_pdev);
 
 	return ret;
 }
 
 static void exynos_drm_exit(void)
 {
+	platform_driver_unregister(&exynos_drm_platform_driver);
 #ifdef CONFIG_DRM_EXYNOS_VIDI
 	exynos_drm_remove_vidi();
 #endif
 	platform_device_unregister(exynos_drm_pdev);
-	platform_driver_unregister(&exynos_drm_platform_driver);
 }
 
 module_init(exynos_drm_init);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 36535f39884..06cde450627 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -343,7 +343,7 @@ struct exynos_drm_display * exynos_dpi_probe(struct device *dev);
 int exynos_dpi_remove(struct device *dev);
 #else
 static inline struct exynos_drm_display *
-exynos_dpi_probe(struct device *dev) { return 0; }
+exynos_dpi_probe(struct device *dev) { return NULL; }
 static inline int exynos_dpi_remove(struct device *dev) { return 0; }
 #endif
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index bb45ab2e738..33161ad3820 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -741,6 +741,8 @@ static void fimd_apply(struct exynos_drm_manager *mgr)
 		win_data = &ctx->win_data[i];
 		if (win_data->enabled)
 			fimd_win_commit(mgr, i);
+		else
+			fimd_win_disable(mgr, i);
 	}
 
 	fimd_commit(mgr);
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index c104d0c9b38..aa259b0a873 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -2090,6 +2090,11 @@ out:
 
 static void hdmi_dpms(struct exynos_drm_display *display, int mode)
 {
+	struct hdmi_context *hdata = display->ctx;
+	struct drm_encoder *encoder = hdata->encoder;
+	struct drm_crtc *crtc = encoder->crtc;
+	struct drm_crtc_helper_funcs *funcs = NULL;
+
 	DRM_DEBUG_KMS("mode %d\n", mode);
 
 	switch (mode) {
@@ -2099,6 +2104,20 @@ static void hdmi_dpms(struct exynos_drm_display *display, int mode)
 	case DRM_MODE_DPMS_STANDBY:
 	case DRM_MODE_DPMS_SUSPEND:
 	case DRM_MODE_DPMS_OFF:
+		/*
+		 * The SFRs of VP and Mixer are updated by Vertical Sync of
+		 * Timing generator which is a part of HDMI so the sequence
+		 * to disable TV Subsystem should be as following,
+		 *	VP -> Mixer -> HDMI
+		 *
+		 * Below codes will try to disable Mixer and VP(if used)
+		 * prior to disabling HDMI.
+		 */
+		if (crtc)
+			funcs = crtc->helper_private;
+		if (funcs && funcs->dpms)
+			(*funcs->dpms)(crtc, mode);
+
 		hdmi_poweroff(display);
 		break;
 	default:
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 4c5aed7e54c..7529946d0a7 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -377,6 +377,20 @@ static void mixer_run(struct mixer_context *ctx)
 	mixer_regs_dump(ctx);
 }
 
+static void mixer_stop(struct mixer_context *ctx)
+{
+	struct mixer_resources *res = &ctx->mixer_res;
+	int timeout = 20;
+
+	mixer_reg_writemask(res, MXR_STATUS, 0, MXR_STATUS_REG_RUN);
+
+	while (!(mixer_reg_read(res, MXR_STATUS) & MXR_STATUS_REG_IDLE) &&
+			--timeout)
+		usleep_range(10000, 12000);
+
+	mixer_regs_dump(ctx);
+}
+
 static void vp_video_buffer(struct mixer_context *ctx, int win)
 {
 	struct mixer_resources *res = &ctx->mixer_res;
@@ -497,13 +511,8 @@ static void vp_video_buffer(struct mixer_context *ctx, int win)
 static void mixer_layer_update(struct mixer_context *ctx)
 {
 	struct mixer_resources *res = &ctx->mixer_res;
-	u32 val;
-
-	val = mixer_reg_read(res, MXR_CFG);
 
-	/* allow one update per vsync only */
-	if (!(val & MXR_CFG_LAYER_UPDATE_COUNT_MASK))
-		mixer_reg_writemask(res, MXR_CFG, ~0, MXR_CFG_LAYER_UPDATE);
+	mixer_reg_writemask(res, MXR_CFG, ~0, MXR_CFG_LAYER_UPDATE);
 }
 
 static void mixer_graph_buffer(struct mixer_context *ctx, int win)
@@ -1010,6 +1019,8 @@ static void mixer_wait_for_vblank(struct exynos_drm_manager *mgr)
 	}
 	mutex_unlock(&mixer_ctx->mixer_mutex);
 
+	drm_vblank_get(mgr->crtc->dev, mixer_ctx->pipe);
+
 	atomic_set(&mixer_ctx->wait_vsync_event, 1);
 
 	/*
@@ -1020,6 +1031,8 @@ static void mixer_wait_for_vblank(struct exynos_drm_manager *mgr)
 				!atomic_read(&mixer_ctx->wait_vsync_event),
 				HZ/20))
 		DRM_DEBUG_KMS("vblank wait timed out.\n");
+
+	drm_vblank_put(mgr->crtc->dev, mixer_ctx->pipe);
 }
 
 static void mixer_window_suspend(struct exynos_drm_manager *mgr)
@@ -1061,7 +1074,7 @@ static void mixer_poweron(struct exynos_drm_manager *mgr)
 		mutex_unlock(&ctx->mixer_mutex);
 		return;
 	}
-	ctx->powered = true;
+
 	mutex_unlock(&ctx->mixer_mutex);
 
 	pm_runtime_get_sync(ctx->dev);
@@ -1072,6 +1085,12 @@ static void mixer_poweron(struct exynos_drm_manager *mgr)
 		clk_prepare_enable(res->sclk_mixer);
 	}
 
+	mutex_lock(&ctx->mixer_mutex);
+	ctx->powered = true;
+	mutex_unlock(&ctx->mixer_mutex);
+
+	mixer_reg_writemask(res, MXR_STATUS, ~0, MXR_STATUS_SOFT_RESET);
+
 	mixer_reg_write(res, MXR_INT_EN, ctx->int_en);
 	mixer_win_reset(ctx);
 
@@ -1084,14 +1103,21 @@ static void mixer_poweroff(struct exynos_drm_manager *mgr)
 	struct mixer_resources *res = &ctx->mixer_res;
 
 	mutex_lock(&ctx->mixer_mutex);
-	if (!ctx->powered)
-		goto out;
+	if (!ctx->powered) {
+		mutex_unlock(&ctx->mixer_mutex);
+		return;
+	}
 	mutex_unlock(&ctx->mixer_mutex);
 
+	mixer_stop(ctx);
 	mixer_window_suspend(mgr);
 
 	ctx->int_en = mixer_reg_read(res, MXR_INT_EN);
 
+	mutex_lock(&ctx->mixer_mutex);
+	ctx->powered = false;
+	mutex_unlock(&ctx->mixer_mutex);
+
 	clk_disable_unprepare(res->mixer);
 	if (ctx->vp_enabled) {
 		clk_disable_unprepare(res->vp);
@@ -1099,12 +1125,6 @@ static void mixer_poweroff(struct exynos_drm_manager *mgr)
 	}
 
 	pm_runtime_put_sync(ctx->dev);
-
-	mutex_lock(&ctx->mixer_mutex);
-	ctx->powered = false;
-
-out:
-	mutex_unlock(&ctx->mixer_mutex);
 }
 
 static void mixer_dpms(struct exynos_drm_manager *mgr, int mode)
diff --git a/drivers/gpu/drm/exynos/regs-mixer.h b/drivers/gpu/drm/exynos/regs-mixer.h
index 4537026bc38..5f32e1a2941 100644
--- a/drivers/gpu/drm/exynos/regs-mixer.h
+++ b/drivers/gpu/drm/exynos/regs-mixer.h
@@ -78,6 +78,7 @@
 #define MXR_STATUS_BIG_ENDIAN		(1 << 3)
 #define MXR_STATUS_ENDIAN_MASK		(1 << 3)
 #define MXR_STATUS_SYNC_ENABLE		(1 << 2)
+#define MXR_STATUS_REG_IDLE		(1 << 1)
 #define MXR_STATUS_REG_RUN		(1 << 0)
 
 /* bits for MXR_CFG */
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index 240c331405b..ac357b02bd3 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -810,6 +810,12 @@ static int
 tda998x_encoder_mode_valid(struct drm_encoder *encoder,
 			  struct drm_display_mode *mode)
 {
+	if (mode->clock > 150000)
+		return MODE_CLOCK_HIGH;
+	if (mode->htotal >= BIT(13))
+		return MODE_BAD_HVALUE;
+	if (mode->vtotal >= BIT(11))
+		return MODE_BAD_VVALUE;
 	return MODE_OK;
 }
 
@@ -1048,8 +1054,8 @@ read_edid_block(struct drm_encoder *encoder, uint8_t *buf, int blk)
 			return i;
 		}
 	} else {
-		for (i = 10; i > 0; i--) {
-			msleep(10);
+		for (i = 100; i > 0; i--) {
+			msleep(1);
 			ret = reg_read(priv, REG_INT_FLAGS_2);
 			if (ret < 0)
 				return ret;
@@ -1183,7 +1189,6 @@ static void
 tda998x_encoder_destroy(struct drm_encoder *encoder)
 {
 	struct tda998x_priv *priv = to_tda998x_priv(encoder);
-	drm_i2c_encoder_destroy(encoder);
 
 	/* disable all IRQs and free the IRQ handler */
 	cec_write(priv, REG_CEC_RXSHPDINTENA, 0);
@@ -1193,6 +1198,7 @@ tda998x_encoder_destroy(struct drm_encoder *encoder)
 
 	if (priv->cec)
 		i2c_unregister_device(priv->cec);
+	drm_i2c_encoder_destroy(encoder);
 	kfree(priv);
 }
 
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 601caa88c09..b8c689202c4 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -446,7 +446,9 @@ static int i915_gem_object_info(struct seq_file *m, void* data)
 
 		memset(&stats, 0, sizeof(stats));
 		stats.file_priv = file->driver_priv;
+		spin_lock(&file->table_lock);
 		idr_for_each(&file->object_idr, per_file_stats, &stats);
+		spin_unlock(&file->table_lock);
 		/*
 		 * Although we have a valid reference on file->pid, that does
 		 * not guarantee that the task_struct who called get_pid() is
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 6c656392d67..d4434414062 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1464,12 +1464,13 @@ static int i915_kick_out_vgacon(struct drm_i915_private *dev_priv)
 #else
 static int i915_kick_out_vgacon(struct drm_i915_private *dev_priv)
 {
-	int ret;
+	int ret = 0;
 
 	DRM_INFO("Replacing VGA console driver\n");
 
 	console_lock();
-	ret = do_take_over_console(&dummy_con, 0, MAX_NR_CONSOLES - 1, 1);
+	if (con_is_bound(&vga_con))
+		ret = do_take_over_console(&dummy_con, 0, MAX_NR_CONSOLES - 1, 1);
 	if (ret == 0) {
 		ret = do_unregister_con_driver(&vga_con);
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 49414d30e8d..374f964323a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -656,6 +656,7 @@ enum intel_sbi_destination {
 #define QUIRK_PIPEA_FORCE (1<<0)
 #define QUIRK_LVDS_SSC_DISABLE (1<<1)
 #define QUIRK_INVERT_BRIGHTNESS (1<<2)
+#define QUIRK_BACKLIGHT_PRESENT (1<<3)
 
 struct intel_fbdev;
 struct intel_fbc_work;
@@ -977,6 +978,8 @@ struct i915_power_well {
 	bool always_on;
 	/* power well enable/disable usage count */
 	int count;
+	/* cached hw enabled state */
+	bool hw_enabled;
 	unsigned long domains;
 	unsigned long data;
 	const struct i915_power_well_ops *ops;
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 3ffe308d589..a5ddf3bce9c 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -598,6 +598,7 @@ static int do_switch(struct intel_engine_cs *ring,
 	struct intel_context *from = ring->last_context;
 	struct i915_hw_ppgtt *ppgtt = ctx_to_ppgtt(to);
 	u32 hw_flags = 0;
+	bool uninitialized = false;
 	int ret, i;
 
 	if (from != NULL && ring == &dev_priv->ring[RCS]) {
@@ -696,19 +697,20 @@ static int do_switch(struct intel_engine_cs *ring,
 		i915_gem_context_unreference(from);
 	}
 
+	uninitialized = !to->is_initialized && from == NULL;
+	to->is_initialized = true;
+
 done:
 	i915_gem_context_reference(to);
 	ring->last_context = to;
 	to->last_ring = ring;
 
-	if (ring->id == RCS && !to->is_initialized && from == NULL) {
+	if (uninitialized) {
 		ret = i915_gem_render_state_init(ring);
 		if (ret)
 			DRM_ERROR("init render state: %d\n", ret);
 	}
 
-	to->is_initialized = true;
-
 	return 0;
 
 unpin_out:
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
index 62ef55ba061..7465ab0fd39 100644
--- a/drivers/gpu/drm/i915/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
@@ -74,6 +74,50 @@ static unsigned long i915_stolen_to_physical(struct drm_device *dev)
 	if (base == 0)
 		return 0;
 
+	/* make sure we don't clobber the GTT if it's within stolen memory */
+	if (INTEL_INFO(dev)->gen <= 4 && !IS_G33(dev) && !IS_G4X(dev)) {
+		struct {
+			u32 start, end;
+		} stolen[2] = {
+			{ .start = base, .end = base + dev_priv->gtt.stolen_size, },
+			{ .start = base, .end = base + dev_priv->gtt.stolen_size, },
+		};
+		u64 gtt_start, gtt_end;
+
+		gtt_start = I915_READ(PGTBL_CTL);
+		if (IS_GEN4(dev))
+			gtt_start = (gtt_start & PGTBL_ADDRESS_LO_MASK) |
+				(gtt_start & PGTBL_ADDRESS_HI_MASK) << 28;
+		else
+			gtt_start &= PGTBL_ADDRESS_LO_MASK;
+		gtt_end = gtt_start + gtt_total_entries(dev_priv->gtt) * 4;
+
+		if (gtt_start >= stolen[0].start && gtt_start < stolen[0].end)
+			stolen[0].end = gtt_start;
+		if (gtt_end > stolen[1].start && gtt_end <= stolen[1].end)
+			stolen[1].start = gtt_end;
+
+		/* pick the larger of the two chunks */
+		if (stolen[0].end - stolen[0].start >
+		    stolen[1].end - stolen[1].start) {
+			base = stolen[0].start;
+			dev_priv->gtt.stolen_size = stolen[0].end - stolen[0].start;
+		} else {
+			base = stolen[1].start;
+			dev_priv->gtt.stolen_size = stolen[1].end - stolen[1].start;
+		}
+
+		if (stolen[0].start != stolen[1].start ||
+		    stolen[0].end != stolen[1].end) {
+			DRM_DEBUG_KMS("GTT within stolen memory at 0x%llx-0x%llx\n",
+				      (unsigned long long) gtt_start,
+				      (unsigned long long) gtt_end - 1);
+			DRM_DEBUG_KMS("Stolen memory adjusted to 0x%x-0x%x\n",
+				      base, base + (u32) dev_priv->gtt.stolen_size - 1);
+		}
+	}
+
+
 	/* Verify that nothing else uses this physical address. Stolen
 	 * memory should be reserved by the BIOS and hidden from the
 	 * kernel. So if the region is already marked as busy, something
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index e691b30b281..a5bab61bfc0 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -942,6 +942,9 @@ enum punit_power_well {
 /*
  * Instruction and interrupt control regs
  */
+#define PGTBL_CTL	0x02020
+#define   PGTBL_ADDRESS_LO_MASK	0xfffff000 /* bits [31:12] */
+#define   PGTBL_ADDRESS_HI_MASK	0x000000f0 /* bits [35:32] (gen4) */
 #define PGTBL_ER	0x02024
 #define RENDER_RING_BASE	0x02000
 #define BSD_RING_BASE		0x04000
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 1ee98f121a0..827498e081d 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -315,9 +315,6 @@ parse_lfp_backlight(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
 	const struct bdb_lfp_backlight_data *backlight_data;
 	const struct bdb_lfp_backlight_data_entry *entry;
 
-	/* Err to enabling backlight if no backlight block. */
-	dev_priv->vbt.backlight.present = true;
-
 	backlight_data = find_section(bdb, BDB_LVDS_BACKLIGHT);
 	if (!backlight_data)
 		return;
@@ -1088,6 +1085,9 @@ init_vbt_defaults(struct drm_i915_private *dev_priv)
 
 	dev_priv->vbt.crt_ddc_pin = GMBUS_PORT_VGADDC;
 
+	/* Default to having backlight */
+	dev_priv->vbt.backlight.present = true;
+
 	/* LFP panel data */
 	dev_priv->vbt.lvds_dither = 1;
 	dev_priv->vbt.lvds_vbt = 0;
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index efd3cf50cb0..e27e7804c0b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2087,6 +2087,7 @@ void intel_flush_primary_plane(struct drm_i915_private *dev_priv,
 static void intel_enable_primary_hw_plane(struct drm_i915_private *dev_priv,
 					  enum plane plane, enum pipe pipe)
 {
+	struct drm_device *dev = dev_priv->dev;
 	struct intel_crtc *intel_crtc =
 		to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
 	int reg;
@@ -2106,6 +2107,14 @@ static void intel_enable_primary_hw_plane(struct drm_i915_private *dev_priv,
 
 	I915_WRITE(reg, val | DISPLAY_PLANE_ENABLE);
 	intel_flush_primary_plane(dev_priv, plane);
+
+	/*
+	 * BDW signals flip done immediately if the plane
+	 * is disabled, even if the plane enable is already
+	 * armed to occur at the next vblank :(
+	 */
+	if (IS_BROADWELL(dev))
+		intel_wait_for_vblank(dev, intel_crtc->pipe);
 }
 
 /**
@@ -4564,7 +4573,10 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc)
 	if (intel_crtc->active)
 		return;
 
-	vlv_prepare_pll(intel_crtc);
+	is_dsi = intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI);
+
+	if (!is_dsi && !IS_CHERRYVIEW(dev))
+		vlv_prepare_pll(intel_crtc);
 
 	/* Set up the display plane register */
 	dspcntr = DISPPLANE_GAMMA_ENABLE;
@@ -4598,8 +4610,6 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc)
 		if (encoder->pre_pll_enable)
 			encoder->pre_pll_enable(encoder);
 
-	is_dsi = intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI);
-
 	if (!is_dsi) {
 		if (IS_CHERRYVIEW(dev))
 			chv_enable_pll(intel_crtc);
@@ -11087,6 +11097,22 @@ const char *intel_output_name(int output)
 	return names[output];
 }
 
+static bool intel_crt_present(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	if (IS_ULT(dev))
+		return false;
+
+	if (IS_CHERRYVIEW(dev))
+		return false;
+
+	if (IS_VALLEYVIEW(dev) && !dev_priv->vbt.int_crt_support)
+		return false;
+
+	return true;
+}
+
 static void intel_setup_outputs(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -11095,7 +11121,7 @@ static void intel_setup_outputs(struct drm_device *dev)
 
 	intel_lvds_init(dev);
 
-	if (!IS_ULT(dev) && !IS_CHERRYVIEW(dev) && dev_priv->vbt.int_crt_support)
+	if (intel_crt_present(dev))
 		intel_crt_init(dev);
 
 	if (HAS_DDI(dev)) {
@@ -11565,6 +11591,14 @@ static void quirk_invert_brightness(struct drm_device *dev)
 	DRM_INFO("applying inverted panel brightness quirk\n");
 }
 
+/* Some VBT's incorrectly indicate no backlight is present */
+static void quirk_backlight_present(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	dev_priv->quirks |= QUIRK_BACKLIGHT_PRESENT;
+	DRM_INFO("applying backlight present quirk\n");
+}
+
 struct intel_quirk {
 	int device;
 	int subsystem_vendor;
@@ -11633,6 +11667,12 @@ static struct intel_quirk intel_quirks[] = {
 
 	/* Acer Aspire 5336 */
 	{ 0x2a42, 0x1025, 0x048a, quirk_invert_brightness },
+
+	/* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */
+	{ 0x0a06, 0x1025, 0x0a11, quirk_backlight_present },
+
+	/* Toshiba CB35 Chromebook (Celeron 2955U) */
+	{ 0x0a06, 0x1179, 0x0a88, quirk_backlight_present },
 };
 
 static void intel_init_quirks(struct drm_device *dev)
@@ -12411,8 +12451,8 @@ intel_display_capture_error_state(struct drm_device *dev)
 
 	for_each_pipe(i) {
 		error->pipe[i].power_domain_on =
-			intel_display_power_enabled_sw(dev_priv,
-						       POWER_DOMAIN_PIPE(i));
+			intel_display_power_enabled_unlocked(dev_priv,
+							   POWER_DOMAIN_PIPE(i));
 		if (!error->pipe[i].power_domain_on)
 			continue;
 
@@ -12447,7 +12487,7 @@ intel_display_capture_error_state(struct drm_device *dev)
 		enum transcoder cpu_transcoder = transcoders[i];
 
 		error->transcoder[i].power_domain_on =
-			intel_display_power_enabled_sw(dev_priv,
+			intel_display_power_enabled_unlocked(dev_priv,
 				POWER_DOMAIN_TRANSCODER(cpu_transcoder));
 		if (!error->transcoder[i].power_domain_on)
 			continue;
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 52fda950fd2..075170d1844 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -28,6 +28,8 @@
 #include <linux/i2c.h>
 #include <linux/slab.h>
 #include <linux/export.h>
+#include <linux/notifier.h>
+#include <linux/reboot.h>
 #include <drm/drmP.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_crtc_helper.h>
@@ -336,6 +338,37 @@ static u32 _pp_stat_reg(struct intel_dp *intel_dp)
 		return VLV_PIPE_PP_STATUS(vlv_power_sequencer_pipe(intel_dp));
 }
 
+/* Reboot notifier handler to shutdown panel power to guarantee T12 timing
+   This function only applicable when panel PM state is not to be tracked */
+static int edp_notify_handler(struct notifier_block *this, unsigned long code,
+			      void *unused)
+{
+	struct intel_dp *intel_dp = container_of(this, typeof(* intel_dp),
+						 edp_notifier);
+	struct drm_device *dev = intel_dp_to_dev(intel_dp);
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 pp_div;
+	u32 pp_ctrl_reg, pp_div_reg;
+	enum pipe pipe = vlv_power_sequencer_pipe(intel_dp);
+
+	if (!is_edp(intel_dp) || code != SYS_RESTART)
+		return 0;
+
+	if (IS_VALLEYVIEW(dev)) {
+		pp_ctrl_reg = VLV_PIPE_PP_CONTROL(pipe);
+		pp_div_reg  = VLV_PIPE_PP_DIVISOR(pipe);
+		pp_div = I915_READ(pp_div_reg);
+		pp_div &= PP_REFERENCE_DIVIDER_MASK;
+
+		/* 0x1F write to PP_DIV_REG sets max cycle delay */
+		I915_WRITE(pp_div_reg, pp_div | 0x1F);
+		I915_WRITE(pp_ctrl_reg, PANEL_UNLOCK_REGS | PANEL_POWER_OFF);
+		msleep(intel_dp->panel_power_cycle_delay);
+	}
+
+	return 0;
+}
+
 static bool edp_have_panel_power(struct intel_dp *intel_dp)
 {
 	struct drm_device *dev = intel_dp_to_dev(intel_dp);
@@ -3707,6 +3740,10 @@ void intel_dp_encoder_destroy(struct drm_encoder *encoder)
 		drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
 		edp_panel_vdd_off_sync(intel_dp);
 		drm_modeset_unlock(&dev->mode_config.connection_mutex);
+		if (intel_dp->edp_notifier.notifier_call) {
+			unregister_reboot_notifier(&intel_dp->edp_notifier);
+			intel_dp->edp_notifier.notifier_call = NULL;
+		}
 	}
 	kfree(intel_dig_port);
 }
@@ -4184,6 +4221,11 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
 	}
 	mutex_unlock(&dev->mode_config.mutex);
 
+	if (IS_VALLEYVIEW(dev)) {
+		intel_dp->edp_notifier.notifier_call = edp_notify_handler;
+		register_reboot_notifier(&intel_dp->edp_notifier);
+	}
+
 	intel_panel_init(&intel_connector->panel, fixed_mode, downclock_mode);
 	intel_panel_setup_backlight(connector);
 
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index bda0ae3d80c..f67340ed2c1 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -538,6 +538,8 @@ struct intel_dp {
 	unsigned long last_power_on;
 	unsigned long last_backlight_off;
 	bool psr_setup_done;
+	struct notifier_block edp_notifier;
+
 	bool use_tps3;
 	struct intel_connector *attached_connector;
 
@@ -950,8 +952,8 @@ int intel_power_domains_init(struct drm_i915_private *);
 void intel_power_domains_remove(struct drm_i915_private *);
 bool intel_display_power_enabled(struct drm_i915_private *dev_priv,
 				 enum intel_display_power_domain domain);
-bool intel_display_power_enabled_sw(struct drm_i915_private *dev_priv,
-				    enum intel_display_power_domain domain);
+bool intel_display_power_enabled_unlocked(struct drm_i915_private *dev_priv,
+					  enum intel_display_power_domain domain);
 void intel_display_power_get(struct drm_i915_private *dev_priv,
 			     enum intel_display_power_domain domain);
 void intel_display_power_put(struct drm_i915_private *dev_priv,
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index 02f99d768d4..3fd082933c8 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -117,17 +117,18 @@ static void intel_dsi_device_ready(struct intel_encoder *encoder)
 	/* bandgap reset is needed after everytime we do power gate */
 	band_gap_reset(dev_priv);
 
+	I915_WRITE(MIPI_DEVICE_READY(pipe), ULPS_STATE_ENTER);
+	usleep_range(2500, 3000);
+
 	val = I915_READ(MIPI_PORT_CTRL(pipe));
 	I915_WRITE(MIPI_PORT_CTRL(pipe), val | LP_OUTPUT_HOLD);
 	usleep_range(1000, 1500);
-	I915_WRITE(MIPI_DEVICE_READY(pipe), DEVICE_READY | ULPS_STATE_EXIT);
-	usleep_range(2000, 2500);
-	I915_WRITE(MIPI_DEVICE_READY(pipe), DEVICE_READY);
-	usleep_range(2000, 2500);
-	I915_WRITE(MIPI_DEVICE_READY(pipe), 0x00);
-	usleep_range(2000, 2500);
+
+	I915_WRITE(MIPI_DEVICE_READY(pipe), ULPS_STATE_EXIT);
+	usleep_range(2500, 3000);
+
 	I915_WRITE(MIPI_DEVICE_READY(pipe), DEVICE_READY);
-	usleep_range(2000, 2500);
+	usleep_range(2500, 3000);
 }
 
 static void intel_dsi_enable(struct intel_encoder *encoder)
@@ -271,23 +272,23 @@ static void intel_dsi_clear_device_ready(struct intel_encoder *encoder)
 
 	DRM_DEBUG_KMS("\n");
 
-	I915_WRITE(MIPI_DEVICE_READY(pipe), ULPS_STATE_ENTER);
+	I915_WRITE(MIPI_DEVICE_READY(pipe), DEVICE_READY | ULPS_STATE_ENTER);
 	usleep_range(2000, 2500);
 
-	I915_WRITE(MIPI_DEVICE_READY(pipe), ULPS_STATE_EXIT);
+	I915_WRITE(MIPI_DEVICE_READY(pipe), DEVICE_READY | ULPS_STATE_EXIT);
 	usleep_range(2000, 2500);
 
-	I915_WRITE(MIPI_DEVICE_READY(pipe), ULPS_STATE_ENTER);
+	I915_WRITE(MIPI_DEVICE_READY(pipe), DEVICE_READY | ULPS_STATE_ENTER);
 	usleep_range(2000, 2500);
 
-	val = I915_READ(MIPI_PORT_CTRL(pipe));
-	I915_WRITE(MIPI_PORT_CTRL(pipe), val & ~LP_OUTPUT_HOLD);
-	usleep_range(1000, 1500);
-
 	if (wait_for(((I915_READ(MIPI_PORT_CTRL(pipe)) & AFE_LATCHOUT)
 					== 0x00000), 30))
 		DRM_ERROR("DSI LP not going Low\n");
 
+	val = I915_READ(MIPI_PORT_CTRL(pipe));
+	I915_WRITE(MIPI_PORT_CTRL(pipe), val & ~LP_OUTPUT_HOLD);
+	usleep_range(1000, 1500);
+
 	I915_WRITE(MIPI_DEVICE_READY(pipe), 0x00);
 	usleep_range(2000, 2500);
 
diff --git a/drivers/gpu/drm/i915/intel_dsi_cmd.c b/drivers/gpu/drm/i915/intel_dsi_cmd.c
index 3eeb21b9fdd..933c8630523 100644
--- a/drivers/gpu/drm/i915/intel_dsi_cmd.c
+++ b/drivers/gpu/drm/i915/intel_dsi_cmd.c
@@ -404,12 +404,6 @@ int dpi_send_cmd(struct intel_dsi *intel_dsi, u32 cmd, bool hs)
 	else
 		cmd |= DPI_LP_MODE;
 
-	/* DPI virtual channel?! */
-
-	mask = DPI_FIFO_EMPTY;
-	if (wait_for((I915_READ(MIPI_GEN_FIFO_STAT(pipe)) & mask) == mask, 50))
-		DRM_ERROR("Timeout waiting for DPI FIFO empty.\n");
-
 	/* clear bit */
 	I915_WRITE(MIPI_INTR_STAT(pipe), SPL_PKT_SENT_INTERRUPT);
 
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
index 2e2c71fcc9e..4f6b53998d7 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -403,6 +403,15 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp)
 
 	DRM_DEBUG_DRIVER("bclp = 0x%08x\n", bclp);
 
+	/*
+	 * If the acpi_video interface is not supposed to be used, don't
+	 * bother processing backlight level change requests from firmware.
+	 */
+	if (!acpi_video_verify_backlight_support()) {
+		DRM_DEBUG_KMS("opregion backlight request ignored\n");
+		return 0;
+	}
+
 	if (!(bclp & ASLE_BCLP_VALID))
 		return ASLC_BACKLIGHT_FAILED;
 
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 38a98570d10..628cd893827 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -1118,8 +1118,12 @@ int intel_panel_setup_backlight(struct drm_connector *connector)
 	int ret;
 
 	if (!dev_priv->vbt.backlight.present) {
-		DRM_DEBUG_KMS("native backlight control not available per VBT\n");
-		return 0;
+		if (dev_priv->quirks & QUIRK_BACKLIGHT_PRESENT) {
+			DRM_DEBUG_KMS("no backlight present per VBT, but present per quirk\n");
+		} else {
+			DRM_DEBUG_KMS("no backlight present per VBT\n");
+			return 0;
+		}
 	}
 
 	/* set level and max in panel struct */
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 54242e4f6f4..ee72807069e 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3209,6 +3209,14 @@ void gen6_set_rps(struct drm_device *dev, u8 val)
 */
 static void vlv_set_rps_idle(struct drm_i915_private *dev_priv)
 {
+	struct drm_device *dev = dev_priv->dev;
+
+	/* Latest VLV doesn't need to force the gfx clock */
+	if (dev->pdev->revision >= 0xd) {
+		valleyview_set_rps(dev_priv->dev, dev_priv->rps.min_freq_softlimit);
+		return;
+	}
+
 	/*
 	 * When we are idle.  Drop to min voltage state.
 	 */
@@ -5603,8 +5611,8 @@ static bool hsw_power_well_enabled(struct drm_i915_private *dev_priv,
 		     (HSW_PWR_WELL_ENABLE_REQUEST | HSW_PWR_WELL_STATE_ENABLED);
 }
 
-bool intel_display_power_enabled_sw(struct drm_i915_private *dev_priv,
-				    enum intel_display_power_domain domain)
+bool intel_display_power_enabled_unlocked(struct drm_i915_private *dev_priv,
+					  enum intel_display_power_domain domain)
 {
 	struct i915_power_domains *power_domains;
 	struct i915_power_well *power_well;
@@ -5615,16 +5623,19 @@ bool intel_display_power_enabled_sw(struct drm_i915_private *dev_priv,
 		return false;
 
 	power_domains = &dev_priv->power_domains;
+
 	is_enabled = true;
+
 	for_each_power_well_rev(i, power_well, BIT(domain), power_domains) {
 		if (power_well->always_on)
 			continue;
 
-		if (!power_well->count) {
+		if (!power_well->hw_enabled) {
 			is_enabled = false;
 			break;
 		}
 	}
+
 	return is_enabled;
 }
 
@@ -5632,30 +5643,15 @@ bool intel_display_power_enabled(struct drm_i915_private *dev_priv,
 				 enum intel_display_power_domain domain)
 {
 	struct i915_power_domains *power_domains;
-	struct i915_power_well *power_well;
-	bool is_enabled;
-	int i;
-
-	if (dev_priv->pm.suspended)
-		return false;
+	bool ret;
 
 	power_domains = &dev_priv->power_domains;
 
-	is_enabled = true;
-
 	mutex_lock(&power_domains->lock);
-	for_each_power_well_rev(i, power_well, BIT(domain), power_domains) {
-		if (power_well->always_on)
-			continue;
-
-		if (!power_well->ops->is_enabled(dev_priv, power_well)) {
-			is_enabled = false;
-			break;
-		}
-	}
+	ret = intel_display_power_enabled_unlocked(dev_priv, domain);
 	mutex_unlock(&power_domains->lock);
 
-	return is_enabled;
+	return ret;
 }
 
 /*
@@ -5976,6 +5972,7 @@ void intel_display_power_get(struct drm_i915_private *dev_priv,
 		if (!power_well->count++) {
 			DRM_DEBUG_KMS("enabling %s\n", power_well->name);
 			power_well->ops->enable(dev_priv, power_well);
+			power_well->hw_enabled = true;
 		}
 
 		check_power_well_state(dev_priv, power_well);
@@ -6005,6 +6002,7 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
 
 		if (!--power_well->count && i915.disable_power_well) {
 			DRM_DEBUG_KMS("disabling %s\n", power_well->name);
+			power_well->hw_enabled = false;
 			power_well->ops->disable(dev_priv, power_well);
 		}
 
@@ -6048,6 +6046,27 @@ int i915_release_power_well(void)
 }
 EXPORT_SYMBOL_GPL(i915_release_power_well);
 
+/*
+ * Private interface for the audio driver to get CDCLK in kHz.
+ *
+ * Caller must request power well using i915_request_power_well() prior to
+ * making the call.
+ */
+int i915_get_cdclk_freq(void)
+{
+	struct drm_i915_private *dev_priv;
+
+	if (!hsw_pwr)
+		return -ENODEV;
+
+	dev_priv = container_of(hsw_pwr, struct drm_i915_private,
+				power_domains);
+
+	return intel_ddi_get_cdclk_freq(dev_priv);
+}
+EXPORT_SYMBOL_GPL(i915_get_cdclk_freq);
+
+
 #define POWER_DOMAIN_MASK (BIT(POWER_DOMAIN_NUM) - 1)
 
 #define HSW_ALWAYS_ON_POWER_DOMAINS (			\
@@ -6267,8 +6286,11 @@ static void intel_power_domains_resume(struct drm_i915_private *dev_priv)
 	int i;
 
 	mutex_lock(&power_domains->lock);
-	for_each_power_well(i, power_well, POWER_DOMAIN_MASK, power_domains)
+	for_each_power_well(i, power_well, POWER_DOMAIN_MASK, power_domains) {
 		power_well->ops->sync_hw(dev_priv, power_well);
+		power_well->hw_enabled = power_well->ops->is_enabled(dev_priv,
+								     power_well);
+	}
 	mutex_unlock(&power_domains->lock);
 }
 
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 1b66ddcdfb3..9a17b4e92ef 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -691,6 +691,14 @@ intel_post_enable_primary(struct drm_crtc *crtc)
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 
 	/*
+	 * BDW signals flip done immediately if the plane
+	 * is disabled, even if the plane enable is already
+	 * armed to occur at the next vblank :(
+	 */
+	if (IS_BROADWELL(dev))
+		intel_wait_for_vblank(dev, intel_crtc->pipe);
+
+	/*
 	 * FIXME IPS should be fine as long as one plane is
 	 * enabled, but in practice it seems to have problems
 	 * when going from primary only to sprite only and vice
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
index ae750f6928c..7f7aadef8a8 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
@@ -277,6 +277,7 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data)
 	static const char *hpd_reg_names[] = {"hpd-gdsc", "hpd-5v"};
 	static const char *pwr_reg_names[] = {"core-vdda", "core-vcc"};
 	static const char *hpd_clk_names[] = {"iface_clk", "core_clk", "mdp_core_clk"};
+	static unsigned long hpd_clk_freq[] = {0, 19200000, 0};
 	static const char *pwr_clk_names[] = {"extp_clk", "alt_iface_clk"};
 
 	config.phy_init      = hdmi_phy_8x74_init;
@@ -286,6 +287,7 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data)
 	config.pwr_reg_names = pwr_reg_names;
 	config.pwr_reg_cnt   = ARRAY_SIZE(pwr_reg_names);
 	config.hpd_clk_names = hpd_clk_names;
+	config.hpd_freq      = hpd_clk_freq;
 	config.hpd_clk_cnt   = ARRAY_SIZE(hpd_clk_names);
 	config.pwr_clk_names = pwr_clk_names;
 	config.pwr_clk_cnt   = ARRAY_SIZE(pwr_clk_names);
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.h b/drivers/gpu/drm/msm/hdmi/hdmi.h
index 9fafee6a3e4..9d7723c6528 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.h
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.h
@@ -87,6 +87,7 @@ struct hdmi_platform_config {
 
 	/* clks that need to be on for hpd: */
 	const char **hpd_clk_names;
+	const long unsigned *hpd_freq;
 	int hpd_clk_cnt;
 
 	/* clks that need to be on for screen pwr (ie pixel clk): */
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
index e56a6196867..28f7e3ec6c2 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
@@ -127,6 +127,14 @@ static int hpd_enable(struct hdmi_connector *hdmi_connector)
 	}
 
 	for (i = 0; i < config->hpd_clk_cnt; i++) {
+		if (config->hpd_freq && config->hpd_freq[i]) {
+			ret = clk_set_rate(hdmi->hpd_clks[i],
+					config->hpd_freq[i]);
+			if (ret)
+				dev_warn(dev->dev, "failed to set clk %s (%d)\n",
+						config->hpd_clk_names[i], ret);
+		}
+
 		ret = clk_prepare_enable(hdmi->hpd_clks[i]);
 		if (ret) {
 			dev_err(dev->dev, "failed to enable hpd clk: %s (%d)\n",
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
index 42caf7fcb0b..71510ee26e9 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
@@ -20,6 +20,10 @@
 #include "msm_mmu.h"
 #include "mdp5_kms.h"
 
+static const char *iommu_ports[] = {
+		"mdp_0",
+};
+
 static struct mdp5_platform_config *mdp5_get_config(struct platform_device *dev);
 
 static int mdp5_hw_init(struct msm_kms *kms)
@@ -104,6 +108,12 @@ static void mdp5_preclose(struct msm_kms *kms, struct drm_file *file)
 static void mdp5_destroy(struct msm_kms *kms)
 {
 	struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms));
+	struct msm_mmu *mmu = mdp5_kms->mmu;
+
+	if (mmu) {
+		mmu->funcs->detach(mmu, iommu_ports, ARRAY_SIZE(iommu_ports));
+		mmu->funcs->destroy(mmu);
+	}
 	kfree(mdp5_kms);
 }
 
@@ -216,10 +226,6 @@ fail:
 	return ret;
 }
 
-static const char *iommu_ports[] = {
-		"mdp_0",
-};
-
 static int get_clk(struct platform_device *pdev, struct clk **clkp,
 		const char *name)
 {
@@ -317,17 +323,23 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev)
 		mmu = msm_iommu_new(dev, config->iommu);
 		if (IS_ERR(mmu)) {
 			ret = PTR_ERR(mmu);
+			dev_err(dev->dev, "failed to init iommu: %d\n", ret);
 			goto fail;
 		}
+
 		ret = mmu->funcs->attach(mmu, iommu_ports,
 				ARRAY_SIZE(iommu_ports));
-		if (ret)
+		if (ret) {
+			dev_err(dev->dev, "failed to attach iommu: %d\n", ret);
+			mmu->funcs->destroy(mmu);
 			goto fail;
+		}
 	} else {
 		dev_info(dev->dev, "no iommu, fallback to phys "
 				"contig buffers for scanout\n");
 		mmu = NULL;
 	}
+	mdp5_kms->mmu = mmu;
 
 	mdp5_kms->id = msm_register_mmu(dev, mmu);
 	if (mdp5_kms->id < 0) {
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h
index c8b1a2522c2..6e981b692d1 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h
@@ -33,6 +33,7 @@ struct mdp5_kms {
 
 	/* mapper-id used to request GEM buffer mapped for scanout: */
 	int id;
+	struct msm_mmu *mmu;
 
 	/* for tracking smp allocation amongst pipes: */
 	mdp5_smp_state_t smp_state;
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 0d2562fb681..9a5d87db5c2 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -159,7 +159,7 @@ static int msm_unload(struct drm_device *dev)
 static int get_mdp_ver(struct platform_device *pdev)
 {
 #ifdef CONFIG_OF
-	const static struct of_device_id match_types[] = { {
+	static const struct of_device_id match_types[] = { {
 		.compatible = "qcom,mdss_mdp",
 		.data	= (void	*)5,
 	}, {
diff --git a/drivers/gpu/drm/msm/msm_fbdev.c b/drivers/gpu/drm/msm/msm_fbdev.c
index a752ab83b81..5107fc4826b 100644
--- a/drivers/gpu/drm/msm/msm_fbdev.c
+++ b/drivers/gpu/drm/msm/msm_fbdev.c
@@ -59,7 +59,7 @@ static int msm_fbdev_create(struct drm_fb_helper *helper,
 	struct drm_framebuffer *fb = NULL;
 	struct fb_info *fbi = NULL;
 	struct drm_mode_fb_cmd2 mode_cmd = {0};
-	dma_addr_t paddr;
+	uint32_t paddr;
 	int ret, size;
 
 	sizes->surface_bpp = 32;
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index bb8026daebc..690d7e7b6d1 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -278,6 +278,7 @@ int msm_gem_get_iova_locked(struct drm_gem_object *obj, int id,
 		uint32_t *iova)
 {
 	struct msm_gem_object *msm_obj = to_msm_bo(obj);
+	struct drm_device *dev = obj->dev;
 	int ret = 0;
 
 	if (!msm_obj->domain[id].iova) {
@@ -285,6 +286,11 @@ int msm_gem_get_iova_locked(struct drm_gem_object *obj, int id,
 		struct msm_mmu *mmu = priv->mmus[id];
 		struct page **pages = get_pages(obj);
 
+		if (!mmu) {
+			dev_err(dev->dev, "null MMU pointer\n");
+			return -EINVAL;
+		}
+
 		if (IS_ERR(pages))
 			return PTR_ERR(pages);
 
diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c
index 92b74598623..4b2ad9181ed 100644
--- a/drivers/gpu/drm/msm/msm_iommu.c
+++ b/drivers/gpu/drm/msm/msm_iommu.c
@@ -28,7 +28,7 @@ static int msm_fault_handler(struct iommu_domain *iommu, struct device *dev,
 		unsigned long iova, int flags, void *arg)
 {
 	DBG("*** fault: iova=%08lx, flags=%d", iova, flags);
-	return 0;
+	return -ENOSYS;
 }
 
 static int msm_iommu_attach(struct msm_mmu *mmu, const char **names, int cnt)
@@ -40,8 +40,10 @@ static int msm_iommu_attach(struct msm_mmu *mmu, const char **names, int cnt)
 	for (i = 0; i < cnt; i++) {
 		struct device *msm_iommu_get_ctx(const char *ctx_name);
 		struct device *ctx = msm_iommu_get_ctx(names[i]);
-		if (IS_ERR_OR_NULL(ctx))
+		if (IS_ERR_OR_NULL(ctx)) {
+			dev_warn(dev->dev, "couldn't get %s context", names[i]);
 			continue;
+		}
 		ret = iommu_attach_device(iommu->domain, ctx);
 		if (ret) {
 			dev_warn(dev->dev, "could not attach iommu to %s", names[i]);
@@ -52,6 +54,20 @@ static int msm_iommu_attach(struct msm_mmu *mmu, const char **names, int cnt)
 	return 0;
 }
 
+static void msm_iommu_detach(struct msm_mmu *mmu, const char **names, int cnt)
+{
+	struct msm_iommu *iommu = to_msm_iommu(mmu);
+	int i;
+
+	for (i = 0; i < cnt; i++) {
+		struct device *msm_iommu_get_ctx(const char *ctx_name);
+		struct device *ctx = msm_iommu_get_ctx(names[i]);
+		if (IS_ERR_OR_NULL(ctx))
+			continue;
+		iommu_detach_device(iommu->domain, ctx);
+	}
+}
+
 static int msm_iommu_map(struct msm_mmu *mmu, uint32_t iova,
 		struct sg_table *sgt, unsigned len, int prot)
 {
@@ -110,7 +126,7 @@ static int msm_iommu_unmap(struct msm_mmu *mmu, uint32_t iova,
 
 		VERB("unmap[%d]: %08x(%x)", i, iova, bytes);
 
-		BUG_ON(!IS_ALIGNED(bytes, PAGE_SIZE));
+		BUG_ON(!PAGE_ALIGNED(bytes));
 
 		da += bytes;
 	}
@@ -127,6 +143,7 @@ static void msm_iommu_destroy(struct msm_mmu *mmu)
 
 static const struct msm_mmu_funcs funcs = {
 		.attach = msm_iommu_attach,
+		.detach = msm_iommu_detach,
 		.map = msm_iommu_map,
 		.unmap = msm_iommu_unmap,
 		.destroy = msm_iommu_destroy,
diff --git a/drivers/gpu/drm/msm/msm_mmu.h b/drivers/gpu/drm/msm/msm_mmu.h
index 030324482b4..21da6d154f7 100644
--- a/drivers/gpu/drm/msm/msm_mmu.h
+++ b/drivers/gpu/drm/msm/msm_mmu.h
@@ -22,6 +22,7 @@
 
 struct msm_mmu_funcs {
 	int (*attach)(struct msm_mmu *mmu, const char **names, int cnt);
+	void (*detach)(struct msm_mmu *mmu, const char **names, int cnt);
 	int (*map)(struct msm_mmu *mmu, uint32_t iova, struct sg_table *sgt,
 			unsigned len, int prot);
 	int (*unmap)(struct msm_mmu *mmu, uint32_t iova, struct sg_table *sgt,
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
index 26e962b7e70..2283c442a10 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
@@ -1516,11 +1516,11 @@ nv50_disp_intr_unk20_2(struct nv50_disp_priv *priv, int head)
 		}
 
 		switch ((ctrl & 0x000f0000) >> 16) {
-		case 6: datarate = pclk * 30 / 8; break;
-		case 5: datarate = pclk * 24 / 8; break;
+		case 6: datarate = pclk * 30; break;
+		case 5: datarate = pclk * 24; break;
 		case 2:
 		default:
-			datarate = pclk * 18 / 8;
+			datarate = pclk * 18;
 			break;
 		}
 
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
index 48aa38a87e3..fa30d8196f3 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
@@ -1159,11 +1159,11 @@ nvd0_disp_intr_unk2_2(struct nv50_disp_priv *priv, int head)
 	if (outp->info.type == DCB_OUTPUT_DP) {
 		u32 sync = nv_rd32(priv, 0x660404 + (head * 0x300));
 		switch ((sync & 0x000003c0) >> 6) {
-		case 6: pclk = pclk * 30 / 8; break;
-		case 5: pclk = pclk * 24 / 8; break;
+		case 6: pclk = pclk * 30; break;
+		case 5: pclk = pclk * 24; break;
 		case 2:
 		default:
-			pclk = pclk * 18 / 8;
+			pclk = pclk * 18;
 			break;
 		}
 
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/outpdp.c b/drivers/gpu/drm/nouveau/core/engine/disp/outpdp.c
index 52c299c3d30..eb2d7789555 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/outpdp.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/outpdp.c
@@ -34,7 +34,7 @@ nvkm_output_dp_train(struct nvkm_output *base, u32 datarate, bool wait)
 	struct nvkm_output_dp *outp = (void *)base;
 	bool retrain = true;
 	u8 link[2], stat[3];
-	u32 rate;
+	u32 linkrate;
 	int ret, i;
 
 	/* check that the link is trained at a high enough rate */
@@ -44,8 +44,10 @@ nvkm_output_dp_train(struct nvkm_output *base, u32 datarate, bool wait)
 		goto done;
 	}
 
-	rate = link[0] * 27000 * (link[1] & DPCD_LC01_LANE_COUNT_SET);
-	if (rate < ((datarate / 8) * 10)) {
+	linkrate = link[0] * 27000 * (link[1] & DPCD_LC01_LANE_COUNT_SET);
+	linkrate = (linkrate * 8) / 10; /* 8B/10B coding overhead */
+	datarate = (datarate + 9) / 10; /* -> decakilobits */
+	if (linkrate < datarate) {
 		DBG("link not trained at sufficient rate\n");
 		goto done;
 	}
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c
index e1832778e8b..7a1ebdfa9e1 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c
@@ -87,6 +87,7 @@ nv50_sor_mthd(struct nouveau_object *object, u32 mthd, void *args, u32 size)
 			struct nvkm_output_dp *outpdp = (void *)outp;
 			switch (data) {
 			case NV94_DISP_SOR_DP_PWR_STATE_OFF:
+				nouveau_event_put(outpdp->irq);
 				((struct nvkm_output_dp_impl *)nv_oclass(outp))
 					->lnk_pwr(outpdp, 0);
 				atomic_set(&outpdp->lt.done, 0);
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramfuc.h b/drivers/gpu/drm/nouveau/core/subdev/fb/ramfuc.h
index 0f57fcfe0bb..2af9cfd2c60 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramfuc.h
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramfuc.h
@@ -26,7 +26,7 @@ ramfuc_reg2(u32 addr1, u32 addr2)
 	};
 }
 
-static inline struct ramfuc_reg
+static noinline struct ramfuc_reg
 ramfuc_reg(u32 addr)
 {
 	return ramfuc_reg2(addr, addr);
@@ -107,7 +107,7 @@ ramfuc_nsec(struct ramfuc *ram, u32 nsec)
 
 #define ram_init(s,p)       ramfuc_init(&(s)->base, (p))
 #define ram_exec(s,e)       ramfuc_exec(&(s)->base, (e))
-#define ram_have(s,r)       ((s)->r_##r.addr != 0x000000)
+#define ram_have(s,r)       ((s)->r_##r.addr[0] != 0x000000)
 #define ram_rd32(s,r)       ramfuc_rd32(&(s)->base, &(s)->r_##r)
 #define ram_wr32(s,r,d)     ramfuc_wr32(&(s)->base, &(s)->r_##r, (d))
 #define ram_nuke(s,r)       ramfuc_nuke(&(s)->base, &(s)->r_##r)
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c
index 1ad3ea50313..c5b46e30231 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c
@@ -200,6 +200,7 @@ r1373f4_init(struct nve0_ramfuc *fuc)
 	/* (re)program mempll, if required */
 	if (ram->mode == 2) {
 		ram_mask(fuc, 0x1373f4, 0x00010000, 0x00000000);
+		ram_mask(fuc, 0x132000, 0x80000000, 0x80000000);
 		ram_mask(fuc, 0x132000, 0x00000001, 0x00000000);
 		ram_mask(fuc, 0x132004, 0x103fffff, mcoef);
 		ram_mask(fuc, 0x132000, 0x00000001, 0x00000001);
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index ddd83756b9a..5425ffe3931 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -652,12 +652,12 @@ int nouveau_pmops_resume(struct device *dev)
 	ret = nouveau_do_resume(drm_dev);
 	if (ret)
 		return ret;
-	if (drm_dev->mode_config.num_crtc)
-		nouveau_fbcon_set_suspend(drm_dev, 0);
 
-	nouveau_fbcon_zfill_all(drm_dev);
-	if (drm_dev->mode_config.num_crtc)
+	if (drm_dev->mode_config.num_crtc) {
 		nouveau_display_resume(drm_dev);
+		nouveau_fbcon_set_suspend(drm_dev, 0);
+	}
+
 	return 0;
 }
 
@@ -683,11 +683,12 @@ static int nouveau_pmops_thaw(struct device *dev)
 	ret = nouveau_do_resume(drm_dev);
 	if (ret)
 		return ret;
-	if (drm_dev->mode_config.num_crtc)
-		nouveau_fbcon_set_suspend(drm_dev, 0);
-	nouveau_fbcon_zfill_all(drm_dev);
-	if (drm_dev->mode_config.num_crtc)
+
+	if (drm_dev->mode_config.num_crtc) {
 		nouveau_display_resume(drm_dev);
+		nouveau_fbcon_set_suspend(drm_dev, 0);
+	}
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 64a42cfd371..191665ee7f5 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -531,17 +531,10 @@ nouveau_fbcon_set_suspend(struct drm_device *dev, int state)
 		if (state == 1)
 			nouveau_fbcon_save_disable_accel(dev);
 		fb_set_suspend(drm->fbcon->helper.fbdev, state);
-		if (state == 0)
+		if (state == 0) {
 			nouveau_fbcon_restore_accel(dev);
+			nouveau_fbcon_zfill(dev, drm->fbcon);
+		}
 		console_unlock();
 	}
 }
-
-void
-nouveau_fbcon_zfill_all(struct drm_device *dev)
-{
-	struct nouveau_drm *drm = nouveau_drm(dev);
-	if (drm->fbcon) {
-		nouveau_fbcon_zfill(dev, drm->fbcon);
-	}
-}
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.h b/drivers/gpu/drm/nouveau/nouveau_fbcon.h
index fdfc0c94fbc..fcff797d208 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.h
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.h
@@ -61,7 +61,6 @@ void nouveau_fbcon_gpu_lockup(struct fb_info *info);
 int nouveau_fbcon_init(struct drm_device *dev);
 void nouveau_fbcon_fini(struct drm_device *dev);
 void nouveau_fbcon_set_suspend(struct drm_device *dev, int state);
-void nouveau_fbcon_zfill_all(struct drm_device *dev);
 void nouveau_fbcon_save_disable_accel(struct drm_device *dev);
 void nouveau_fbcon_restore_accel(struct drm_device *dev);
 
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index afdf607df3e..4c534b7b04d 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -1741,7 +1741,8 @@ nv50_sor_dpms(struct drm_encoder *encoder, int mode)
 		}
 	}
 
-	mthd  = (ffs(nv_encoder->dcb->sorconf.link) - 1) << 2;
+	mthd  = (ffs(nv_encoder->dcb->heads) - 1) << 3;
+	mthd |= (ffs(nv_encoder->dcb->sorconf.link) - 1) << 2;
 	mthd |= nv_encoder->or;
 
 	if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index c5b1f2da395..b1e11f8434e 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -127,7 +127,7 @@ static int radeon_process_aux_ch(struct radeon_i2c_chan *chan,
 	/* flags not zero */
 	if (args.v1.ucReplyStatus == 2) {
 		DRM_DEBUG_KMS("dp_aux_ch flags not zero\n");
-		r = -EBUSY;
+		r = -EIO;
 		goto done;
 	}
 
@@ -403,16 +403,18 @@ bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector)
 {
 	struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv;
 	u8 msg[DP_DPCD_SIZE];
-	int ret, i;
+	int ret;
+
+	char dpcd_hex_dump[DP_DPCD_SIZE * 3];
 
 	ret = drm_dp_dpcd_read(&radeon_connector->ddc_bus->aux, DP_DPCD_REV, msg,
 			       DP_DPCD_SIZE);
 	if (ret > 0) {
 		memcpy(dig_connector->dpcd, msg, DP_DPCD_SIZE);
-		DRM_DEBUG_KMS("DPCD: ");
-		for (i = 0; i < DP_DPCD_SIZE; i++)
-			DRM_DEBUG_KMS("%02x ", msg[i]);
-		DRM_DEBUG_KMS("\n");
+
+		hex_dump_to_buffer(dig_connector->dpcd, sizeof(dig_connector->dpcd),
+				   32, 1, dpcd_hex_dump, sizeof(dpcd_hex_dump), false);
+		DRM_DEBUG_KMS("DPCD: %s\n", dpcd_hex_dump);
 
 		radeon_dp_probe_oui(radeon_connector);
 
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index 10dae4106c0..584090ac3eb 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -1179,7 +1179,7 @@ static int ci_stop_dpm(struct radeon_device *rdev)
 	tmp &= ~GLOBAL_PWRMGT_EN;
 	WREG32_SMC(GENERAL_PWRMGT, tmp);
 
-	tmp = RREG32(SCLK_PWRMGT_CNTL);
+	tmp = RREG32_SMC(SCLK_PWRMGT_CNTL);
 	tmp &= ~DYNAMIC_PM_EN;
 	WREG32_SMC(SCLK_PWRMGT_CNTL, tmp);
 
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index dcd4518a9b0..0b247110713 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -7676,14 +7676,16 @@ restart_ih:
 			addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
 			status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
 			mc_client = RREG32(VM_CONTEXT1_PROTECTION_FAULT_MCCLIENT);
+			/* reset addr and status */
+			WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
+			if (addr == 0x0 && status == 0x0)
+				break;
 			dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
 				addr);
 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
 				status);
 			cik_vm_decode_fault(rdev, status, addr, mc_client);
-			/* reset addr and status */
-			WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
 			break;
 		case 167: /* VCE */
 			DRM_DEBUG("IH: VCE int: 0x%08x\n", src_data);
diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h
index ae88660f34e..0c6e1b55d96 100644
--- a/drivers/gpu/drm/radeon/cikd.h
+++ b/drivers/gpu/drm/radeon/cikd.h
@@ -1752,12 +1752,12 @@
 #define		EOP_TC_WB_ACTION_EN                     (1 << 15) /* L2 */
 #define		EOP_TCL1_ACTION_EN                      (1 << 16)
 #define		EOP_TC_ACTION_EN                        (1 << 17) /* L2 */
+#define		EOP_TCL2_VOLATILE                       (1 << 24)
 #define		EOP_CACHE_POLICY(x)                     ((x) << 25)
                 /* 0 - LRU
 		 * 1 - Stream
 		 * 2 - Bypass
 		 */
-#define		EOP_TCL2_VOLATILE                       (1 << 27)
 #define		DATA_SEL(x)                             ((x) << 29)
                 /* 0 - discard
 		 * 1 - send low 32bit data
diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c
index 5a9a5f4d788..47d31e91575 100644
--- a/drivers/gpu/drm/radeon/cypress_dpm.c
+++ b/drivers/gpu/drm/radeon/cypress_dpm.c
@@ -1551,7 +1551,7 @@ int cypress_populate_smc_voltage_tables(struct radeon_device *rdev,
 
 		table->voltageMaskTable.highMask[RV770_SMC_VOLTAGEMASK_VDDCI] = 0;
 		table->voltageMaskTable.lowMask[RV770_SMC_VOLTAGEMASK_VDDCI] =
-			cpu_to_be32(eg_pi->vddc_voltage_table.mask_low);
+			cpu_to_be32(eg_pi->vddci_voltage_table.mask_low);
 	}
 
 	return 0;
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index e2f605224e8..f7ece0ff431 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -189,7 +189,7 @@ static const u32 evergreen_golden_registers[] =
 	0x8c1c, 0xffffffff, 0x00001010,
 	0x28350, 0xffffffff, 0x00000000,
 	0xa008, 0xffffffff, 0x00010000,
-	0x5cc, 0xffffffff, 0x00000001,
+	0x5c4, 0xffffffff, 0x00000001,
 	0x9508, 0xffffffff, 0x00000002,
 	0x913c, 0x0000000f, 0x0000000a
 };
@@ -476,7 +476,7 @@ static const u32 cedar_golden_registers[] =
 	0x8c1c, 0xffffffff, 0x00001010,
 	0x28350, 0xffffffff, 0x00000000,
 	0xa008, 0xffffffff, 0x00010000,
-	0x5cc, 0xffffffff, 0x00000001,
+	0x5c4, 0xffffffff, 0x00000001,
 	0x9508, 0xffffffff, 0x00000002
 };
 
@@ -635,7 +635,7 @@ static const u32 juniper_mgcg_init[] =
 static const u32 supersumo_golden_registers[] =
 {
 	0x5eb4, 0xffffffff, 0x00000002,
-	0x5cc, 0xffffffff, 0x00000001,
+	0x5c4, 0xffffffff, 0x00000001,
 	0x7030, 0xffffffff, 0x00000011,
 	0x7c30, 0xffffffff, 0x00000011,
 	0x6104, 0x01000300, 0x00000000,
@@ -719,7 +719,7 @@ static const u32 sumo_golden_registers[] =
 static const u32 wrestler_golden_registers[] =
 {
 	0x5eb4, 0xffffffff, 0x00000002,
-	0x5cc, 0xffffffff, 0x00000001,
+	0x5c4, 0xffffffff, 0x00000001,
 	0x7030, 0xffffffff, 0x00000011,
 	0x7c30, 0xffffffff, 0x00000011,
 	0x6104, 0x01000300, 0x00000000,
@@ -5066,14 +5066,16 @@ restart_ih:
 		case 147:
 			addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
 			status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
+			/* reset addr and status */
+			WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
+			if (addr == 0x0 && status == 0x0)
+				break;
 			dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
 				addr);
 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
 				status);
 			cayman_vm_decode_fault(rdev, status, addr);
-			/* reset addr and status */
-			WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
 			break;
 		case 176: /* CP_INT in ring buffer */
 		case 177: /* CP_INT in IB1 */
diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c
index 3f6e817d97e..9ef8c38f2d6 100644
--- a/drivers/gpu/drm/radeon/kv_dpm.c
+++ b/drivers/gpu/drm/radeon/kv_dpm.c
@@ -2726,7 +2726,7 @@ int kv_dpm_init(struct radeon_device *rdev)
 	pi->caps_sclk_ds = true;
 	pi->enable_auto_thermal_throttling = true;
 	pi->disable_nb_ps3_in_battery = false;
-	pi->bapm_enable = false;
+	pi->bapm_enable = true;
 	pi->voltage_drop_t = 0;
 	pi->caps_sclk_throttle_low_notification = false;
 	pi->caps_fps = false; /* true? */
diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
index 004c931606c..01fc4888e6f 100644
--- a/drivers/gpu/drm/radeon/ni_dpm.c
+++ b/drivers/gpu/drm/radeon/ni_dpm.c
@@ -1315,7 +1315,7 @@ static void ni_populate_smc_voltage_tables(struct radeon_device *rdev,
 
 		table->voltageMaskTable.highMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] = 0;
 		table->voltageMaskTable.lowMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] =
-			cpu_to_be32(eg_pi->vddc_voltage_table.mask_low);
+			cpu_to_be32(eg_pi->vddci_voltage_table.mask_low);
 	}
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 4b0bbf88d5c..29d9cc04c04 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -102,6 +102,7 @@ extern int radeon_runtime_pm;
 extern int radeon_hard_reset;
 extern int radeon_vm_size;
 extern int radeon_vm_block_size;
+extern int radeon_deep_color;
 
 /*
  * Copy from radeon_drv.h so we don't have to include both and have conflicting
@@ -749,10 +750,6 @@ union radeon_irq_stat_regs {
 	struct cik_irq_stat_regs cik;
 };
 
-#define RADEON_MAX_HPD_PINS 7
-#define RADEON_MAX_CRTCS 6
-#define RADEON_MAX_AFMT_BLOCKS 7
-
 struct radeon_irq {
 	bool				installed;
 	spinlock_t			lock;
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 30844814c25..173f378428a 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1227,11 +1227,19 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
 			rdev->clock.default_dispclk =
 				le32_to_cpu(firmware_info->info_21.ulDefaultDispEngineClkFreq);
 			if (rdev->clock.default_dispclk == 0) {
-				if (ASIC_IS_DCE5(rdev))
+				if (ASIC_IS_DCE6(rdev))
+					rdev->clock.default_dispclk = 60000; /* 600 Mhz */
+				else if (ASIC_IS_DCE5(rdev))
 					rdev->clock.default_dispclk = 54000; /* 540 Mhz */
 				else
 					rdev->clock.default_dispclk = 60000; /* 600 Mhz */
 			}
+			/* set a reasonable default for DP */
+			if (ASIC_IS_DCE6(rdev) && (rdev->clock.default_dispclk < 53900)) {
+				DRM_INFO("Changing default dispclk from %dMhz to 600Mhz\n",
+					 rdev->clock.default_dispclk / 100);
+				rdev->clock.default_dispclk = 60000;
+			}
 			rdev->clock.dp_extclk =
 				le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq);
 			rdev->clock.current_dispclk = rdev->clock.default_dispclk;
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 1b9177ed181..44831197e82 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -199,6 +199,9 @@ int radeon_get_monitor_bpc(struct drm_connector *connector)
 		}
 	}
 
+	if ((radeon_deep_color == 0) && (bpc > 8))
+		bpc = 8;
+
 	DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
 			  connector->name, connector->display_info.bpc, bpc);
 
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 8fc362aa6a1..13896edcf0b 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -285,7 +285,6 @@ static void radeon_unpin_work_func(struct work_struct *__work)
 void radeon_crtc_handle_vblank(struct radeon_device *rdev, int crtc_id)
 {
 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
-	struct radeon_flip_work *work;
 	unsigned long flags;
 	u32 update_pending;
 	int vpos, hpos;
@@ -295,8 +294,11 @@ void radeon_crtc_handle_vblank(struct radeon_device *rdev, int crtc_id)
 		return;
 
 	spin_lock_irqsave(&rdev->ddev->event_lock, flags);
-	work = radeon_crtc->flip_work;
-	if (work == NULL) {
+	if (radeon_crtc->flip_status != RADEON_FLIP_SUBMITTED) {
+		DRM_DEBUG_DRIVER("radeon_crtc->flip_status = %d != "
+				 "RADEON_FLIP_SUBMITTED(%d)\n",
+				 radeon_crtc->flip_status,
+				 RADEON_FLIP_SUBMITTED);
 		spin_unlock_irqrestore(&rdev->ddev->event_lock, flags);
 		return;
 	}
@@ -344,12 +346,17 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id)
 
 	spin_lock_irqsave(&rdev->ddev->event_lock, flags);
 	work = radeon_crtc->flip_work;
-	if (work == NULL) {
+	if (radeon_crtc->flip_status != RADEON_FLIP_SUBMITTED) {
+		DRM_DEBUG_DRIVER("radeon_crtc->flip_status = %d != "
+				 "RADEON_FLIP_SUBMITTED(%d)\n",
+				 radeon_crtc->flip_status,
+				 RADEON_FLIP_SUBMITTED);
 		spin_unlock_irqrestore(&rdev->ddev->event_lock, flags);
 		return;
 	}
 
 	/* Pageflip completed. Clean up. */
+	radeon_crtc->flip_status = RADEON_FLIP_NONE;
 	radeon_crtc->flip_work = NULL;
 
 	/* wakeup userspace */
@@ -476,6 +483,7 @@ static void radeon_flip_work_func(struct work_struct *__work)
 	/* do the flip (mmio) */
 	radeon_page_flip(rdev, radeon_crtc->crtc_id, base);
 
+	radeon_crtc->flip_status = RADEON_FLIP_SUBMITTED;
 	spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
 	up_read(&rdev->exclusive_lock);
 
@@ -544,7 +552,7 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc,
 	/* We borrow the event spin lock for protecting flip_work */
 	spin_lock_irqsave(&crtc->dev->event_lock, flags);
 
-	if (radeon_crtc->flip_work) {
+	if (radeon_crtc->flip_status != RADEON_FLIP_NONE) {
 		DRM_DEBUG_DRIVER("flip queue: crtc already busy\n");
 		spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
 		drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base);
@@ -552,6 +560,7 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc,
 		kfree(work);
 		return -EBUSY;
 	}
+	radeon_crtc->flip_status = RADEON_FLIP_PENDING;
 	radeon_crtc->flip_work = work;
 
 	/* update crtc fb */
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 6e301741338..cb1421369e3 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -175,6 +175,7 @@ int radeon_runtime_pm = -1;
 int radeon_hard_reset = 0;
 int radeon_vm_size = 4096;
 int radeon_vm_block_size = 9;
+int radeon_deep_color = 0;
 
 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 module_param_named(no_wb, radeon_no_wb, int, 0444);
@@ -248,6 +249,9 @@ module_param_named(vm_size, radeon_vm_size, int, 0444);
 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default 9)");
 module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
 
+MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
+module_param_named(deep_color, radeon_deep_color, int, 0444);
+
 static struct pci_device_id pciidlist[] = {
 	radeon_PCI_IDS
 };
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index ad0e4b8cc7e..0592ddb0904 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -46,6 +46,10 @@ struct radeon_device;
 #define to_radeon_encoder(x) container_of(x, struct radeon_encoder, base)
 #define to_radeon_framebuffer(x) container_of(x, struct radeon_framebuffer, base)
 
+#define RADEON_MAX_HPD_PINS 7
+#define RADEON_MAX_CRTCS 6
+#define RADEON_MAX_AFMT_BLOCKS 7
+
 enum radeon_rmx_type {
 	RMX_OFF,
 	RMX_FULL,
@@ -233,8 +237,8 @@ struct radeon_mode_info {
 	struct card_info *atom_card_info;
 	enum radeon_connector_table connector_table;
 	bool mode_config_initialized;
-	struct radeon_crtc *crtcs[6];
-	struct radeon_afmt *afmt[7];
+	struct radeon_crtc *crtcs[RADEON_MAX_CRTCS];
+	struct radeon_afmt *afmt[RADEON_MAX_AFMT_BLOCKS];
 	/* DVI-I properties */
 	struct drm_property *coherent_mode_property;
 	/* DAC enable load detect */
@@ -302,6 +306,12 @@ struct radeon_atom_ss {
 	uint16_t amount;
 };
 
+enum radeon_flip_status {
+	RADEON_FLIP_NONE,
+	RADEON_FLIP_PENDING,
+	RADEON_FLIP_SUBMITTED
+};
+
 struct radeon_crtc {
 	struct drm_crtc base;
 	int crtc_id;
@@ -327,6 +337,7 @@ struct radeon_crtc {
 	/* page flipping */
 	struct workqueue_struct *flip_queue;
 	struct radeon_flip_work *flip_work;
+	enum radeon_flip_status flip_status;
 	/* pll sharing */
 	struct radeon_atom_ss ss;
 	bool ss_enabled;
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 12c663e86ca..e447e390d09 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -73,8 +73,10 @@ void radeon_pm_acpi_event_handler(struct radeon_device *rdev)
 			rdev->pm.dpm.ac_power = true;
 		else
 			rdev->pm.dpm.ac_power = false;
-		if (rdev->asic->dpm.enable_bapm)
-			radeon_dpm_enable_bapm(rdev, rdev->pm.dpm.ac_power);
+		if (rdev->family == CHIP_ARUBA) {
+			if (rdev->asic->dpm.enable_bapm)
+				radeon_dpm_enable_bapm(rdev, rdev->pm.dpm.ac_power);
+		}
 		mutex_unlock(&rdev->pm.mutex);
         } else if (rdev->pm.pm_method == PM_METHOD_PROFILE) {
 		if (rdev->pm.profile == PM_PROFILE_AUTO) {
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
index 899d9126cad..eecff6bbd34 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -495,7 +495,7 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev,
 		mutex_unlock(&vm->mutex);
 
 		r = radeon_bo_create(rdev, RADEON_VM_PTE_COUNT * 8,
-				     RADEON_GPU_PAGE_SIZE, false, 
+				     RADEON_GPU_PAGE_SIZE, true,
 				     RADEON_GEM_DOMAIN_VRAM, NULL, &pt);
 		if (r)
 			return r;
@@ -992,7 +992,7 @@ int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm)
 		return -ENOMEM;
 	}
 
-	r = radeon_bo_create(rdev, pd_size, align, false,
+	r = radeon_bo_create(rdev, pd_size, align, true,
 			     RADEON_GEM_DOMAIN_VRAM, NULL,
 			     &vm->page_directory);
 	if (r)
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index da041a43d82..3c76e1dcdf0 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -2329,12 +2329,6 @@ void rv770_get_engine_memory_ss(struct radeon_device *rdev)
 	pi->mclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
 						       ASIC_INTERNAL_MEMORY_SS, 0);
 
-	/* disable ss, causes hangs on some cayman boards */
-	if (rdev->family == CHIP_CAYMAN) {
-		pi->sclk_ss = false;
-		pi->mclk_ss = false;
-	}
-
 	if (pi->sclk_ss || pi->mclk_ss)
 		pi->dynamic_ss = true;
 	else
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 730cee2c34c..eba0225259a 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -6376,14 +6376,16 @@ restart_ih:
 		case 147:
 			addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
 			status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
+			/* reset addr and status */
+			WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
+			if (addr == 0x0 && status == 0x0)
+				break;
 			dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
 				addr);
 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
 				status);
 			si_vm_decode_fault(rdev, status, addr);
-			/* reset addr and status */
-			WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
 			break;
 		case 176: /* RINGID0 CP_INT */
 			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c
index 2a2822c0332..20da6ff183d 100644
--- a/drivers/gpu/drm/radeon/trinity_dpm.c
+++ b/drivers/gpu/drm/radeon/trinity_dpm.c
@@ -1874,7 +1874,15 @@ int trinity_dpm_init(struct radeon_device *rdev)
 	for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++)
 		pi->at[i] = TRINITY_AT_DFLT;
 
-	pi->enable_bapm = false;
+	/* There are stability issues reported on latops with
+	 * bapm installed when switching between AC and battery
+	 * power.  At the same time, some desktop boards hang
+	 * if it's not enabled and dpm is enabled.
+	 */
+	if (rdev->flags & RADEON_IS_MOBILITY)
+		pi->enable_bapm = false;
+	else
+		pi->enable_bapm = true;
 	pi->enable_nbps_policy = true;
 	pi->enable_sclk_ds = true;
 	pi->enable_gfx_power_gating = true;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index a89ad938eac..b031b48dbb3 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -179,7 +179,6 @@ static int vmw_fb_set_par(struct fb_info *info)
 		vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, info->var.yoffset);
 		vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, info->var.xres);
 		vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, info->var.yres);
-		vmw_write(vmw_priv, SVGA_REG_BYTES_PER_LINE, info->fix.line_length);
 		vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
 	}
 
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 800c8b60f7a..5e79c6ad914 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -810,7 +810,7 @@ config HID_ZYDACRON
 
 config HID_SENSOR_HUB
 	tristate "HID Sensors framework support"
-	depends on HID
+	depends on HID && HAS_IOMEM
 	select MFD_CORE
 	default n
 	---help---
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 6d00bb9366f..48b66bbffc9 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -323,6 +323,7 @@
 
 #define USB_VENDOR_ID_ETURBOTOUCH	0x22b9
 #define USB_DEVICE_ID_ETURBOTOUCH	0x0006
+#define USB_DEVICE_ID_ETURBOTOUCH_2968	0x2968
 
 #define USB_VENDOR_ID_EZKEY		0x0518
 #define USB_DEVICE_ID_BTC_8193		0x0002
@@ -715,6 +716,8 @@
 
 #define USB_VENDOR_ID_PENMOUNT		0x14e1
 #define USB_DEVICE_ID_PENMOUNT_PCI	0x3500
+#define USB_DEVICE_ID_PENMOUNT_1610	0x1610
+#define USB_DEVICE_ID_PENMOUNT_1640	0x1640
 
 #define USB_VENDOR_ID_PETALYNX		0x18b1
 #define USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE	0x0037
diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c
index 2451c7e5feb..578bbe65902 100644
--- a/drivers/hid/hid-rmi.c
+++ b/drivers/hid/hid-rmi.c
@@ -428,6 +428,7 @@ static int rmi_raw_event(struct hid_device *hdev,
 	return 0;
 }
 
+#ifdef CONFIG_PM
 static int rmi_post_reset(struct hid_device *hdev)
 {
 	return rmi_set_mode(hdev, RMI_MODE_ATTN_REPORTS);
@@ -437,6 +438,7 @@ static int rmi_post_resume(struct hid_device *hdev)
 {
 	return rmi_set_mode(hdev, RMI_MODE_ATTN_REPORTS);
 }
+#endif /* CONFIG_PM */
 
 #define RMI4_MAX_PAGE 0xff
 #define RMI4_PAGE_SIZE 0x0100
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index a8d5c8faf8c..e244e449cbb 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -159,17 +159,18 @@ int sensor_hub_register_callback(struct hid_sensor_hub_device *hsdev,
 {
 	struct hid_sensor_hub_callbacks_list *callback;
 	struct sensor_hub_data *pdata = hid_get_drvdata(hsdev->hdev);
+	unsigned long flags;
 
-	spin_lock(&pdata->dyn_callback_lock);
+	spin_lock_irqsave(&pdata->dyn_callback_lock, flags);
 	list_for_each_entry(callback, &pdata->dyn_callback_list, list)
 		if (callback->usage_id == usage_id &&
 						callback->hsdev == hsdev) {
-			spin_unlock(&pdata->dyn_callback_lock);
+			spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags);
 			return -EINVAL;
 		}
 	callback = kzalloc(sizeof(*callback), GFP_ATOMIC);
 	if (!callback) {
-		spin_unlock(&pdata->dyn_callback_lock);
+		spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags);
 		return -ENOMEM;
 	}
 	callback->hsdev = hsdev;
@@ -177,7 +178,7 @@ int sensor_hub_register_callback(struct hid_sensor_hub_device *hsdev,
 	callback->usage_id = usage_id;
 	callback->priv = NULL;
 	list_add_tail(&callback->list, &pdata->dyn_callback_list);
-	spin_unlock(&pdata->dyn_callback_lock);
+	spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags);
 
 	return 0;
 }
@@ -188,8 +189,9 @@ int sensor_hub_remove_callback(struct hid_sensor_hub_device *hsdev,
 {
 	struct hid_sensor_hub_callbacks_list *callback;
 	struct sensor_hub_data *pdata = hid_get_drvdata(hsdev->hdev);
+	unsigned long flags;
 
-	spin_lock(&pdata->dyn_callback_lock);
+	spin_lock_irqsave(&pdata->dyn_callback_lock, flags);
 	list_for_each_entry(callback, &pdata->dyn_callback_list, list)
 		if (callback->usage_id == usage_id &&
 						callback->hsdev == hsdev) {
@@ -197,7 +199,7 @@ int sensor_hub_remove_callback(struct hid_sensor_hub_device *hsdev,
 			kfree(callback);
 			break;
 		}
-	spin_unlock(&pdata->dyn_callback_lock);
+	spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags);
 
 	return 0;
 }
@@ -378,15 +380,16 @@ static int sensor_hub_suspend(struct hid_device *hdev, pm_message_t message)
 {
 	struct sensor_hub_data *pdata = hid_get_drvdata(hdev);
 	struct hid_sensor_hub_callbacks_list *callback;
+	unsigned long flags;
 
 	hid_dbg(hdev, " sensor_hub_suspend\n");
-	spin_lock(&pdata->dyn_callback_lock);
+	spin_lock_irqsave(&pdata->dyn_callback_lock, flags);
 	list_for_each_entry(callback, &pdata->dyn_callback_list, list) {
 		if (callback->usage_callback->suspend)
 			callback->usage_callback->suspend(
 					callback->hsdev, callback->priv);
 	}
-	spin_unlock(&pdata->dyn_callback_lock);
+	spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags);
 
 	return 0;
 }
@@ -395,15 +398,16 @@ static int sensor_hub_resume(struct hid_device *hdev)
 {
 	struct sensor_hub_data *pdata = hid_get_drvdata(hdev);
 	struct hid_sensor_hub_callbacks_list *callback;
+	unsigned long flags;
 
 	hid_dbg(hdev, " sensor_hub_resume\n");
-	spin_lock(&pdata->dyn_callback_lock);
+	spin_lock_irqsave(&pdata->dyn_callback_lock, flags);
 	list_for_each_entry(callback, &pdata->dyn_callback_list, list) {
 		if (callback->usage_callback->resume)
 			callback->usage_callback->resume(
 					callback->hsdev, callback->priv);
 	}
-	spin_unlock(&pdata->dyn_callback_lock);
+	spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags);
 
 	return 0;
 }
@@ -632,6 +636,7 @@ static int sensor_hub_probe(struct hid_device *hdev,
 			if (name == NULL) {
 				hid_err(hdev, "Failed MFD device name\n");
 					ret = -ENOMEM;
+					kfree(hsdev);
 					goto err_no_mem;
 			}
 			sd->hid_sensor_hub_client_devs[
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 59badc10a08..31e6727cd00 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -49,6 +49,7 @@ static const struct hid_blacklist {
 
 	{ USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II, HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_ETURBOTOUCH, USB_DEVICE_ID_ETURBOTOUCH, HID_QUIRK_MULTI_INPUT },
+	{ USB_VENDOR_ID_ETURBOTOUCH, USB_DEVICE_ID_ETURBOTOUCH_2968, HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_GREENASIA, USB_DEVICE_ID_GREENASIA_DUAL_USB_JOYPAD, HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS },
 	{ USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT },
@@ -76,6 +77,8 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GX680R_LED_PANEL, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_NEXIO, USB_DEVICE_ID_NEXIO_MULTITOUCH_PTI0750, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_NOVATEK, USB_DEVICE_ID_NOVATEK_MOUSE, HID_QUIRK_NO_INIT_REPORTS },
+	{ USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_1610, HID_QUIRK_NOGET },
+	{ USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_1640, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2, HID_QUIRK_NO_INIT_REPORTS },
diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index e84f4526eb3..ae22e3c1fc4 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -339,9 +339,13 @@ static void process_chn_event(u32 relid)
 		 */
 
 		do {
-			hv_begin_read(&channel->inbound);
+			if (read_state)
+				hv_begin_read(&channel->inbound);
 			channel->onchannel_callback(arg);
-			bytes_to_read = hv_end_read(&channel->inbound);
+			if (read_state)
+				bytes_to_read = hv_end_read(&channel->inbound);
+			else
+				bytes_to_read = 0;
 		} while (read_state && (bytes_to_read != 0));
 	} else {
 		pr_err("no channel callback for relid - %u\n", relid);
diff --git a/drivers/hv/hv_kvp.c b/drivers/hv/hv_kvp.c
index ea852537307..521c14625b3 100644
--- a/drivers/hv/hv_kvp.c
+++ b/drivers/hv/hv_kvp.c
@@ -127,6 +127,17 @@ kvp_work_func(struct work_struct *dummy)
 	kvp_respond_to_host(NULL, HV_E_FAIL);
 }
 
+static void poll_channel(struct vmbus_channel *channel)
+{
+	if (channel->target_cpu != smp_processor_id())
+		smp_call_function_single(channel->target_cpu,
+					 hv_kvp_onchannelcallback,
+					 channel, true);
+	else
+		hv_kvp_onchannelcallback(channel);
+}
+
+
 static int kvp_handle_handshake(struct hv_kvp_msg *msg)
 {
 	int ret = 1;
@@ -155,7 +166,7 @@ static int kvp_handle_handshake(struct hv_kvp_msg *msg)
 		kvp_register(dm_reg_value);
 		kvp_transaction.active = false;
 		if (kvp_transaction.kvp_context)
-			hv_kvp_onchannelcallback(kvp_transaction.kvp_context);
+			poll_channel(kvp_transaction.kvp_context);
 	}
 	return ret;
 }
@@ -568,7 +579,7 @@ response_done:
 
 	vmbus_sendpacket(channel, recv_buffer, buf_len, req_id,
 				VM_PKT_DATA_INBAND, 0);
-
+	poll_channel(channel);
 }
 
 /*
@@ -603,7 +614,7 @@ void hv_kvp_onchannelcallback(void *context)
 		return;
 	}
 
-	vmbus_recvpacket(channel, recv_buffer, PAGE_SIZE * 2, &recvlen,
+	vmbus_recvpacket(channel, recv_buffer, PAGE_SIZE * 4, &recvlen,
 			 &requestid);
 
 	if (recvlen > 0) {
diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c
index dd761806f0e..3b9c9ef0deb 100644
--- a/drivers/hv/hv_util.c
+++ b/drivers/hv/hv_util.c
@@ -319,7 +319,7 @@ static int util_probe(struct hv_device *dev,
 		(struct hv_util_service *)dev_id->driver_data;
 	int ret;
 
-	srv->recv_buffer = kmalloc(PAGE_SIZE * 2, GFP_KERNEL);
+	srv->recv_buffer = kmalloc(PAGE_SIZE * 4, GFP_KERNEL);
 	if (!srv->recv_buffer)
 		return -ENOMEM;
 	if (srv->util_init) {
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 08531a128f5..02d3d85829f 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -1052,7 +1052,7 @@ config SENSORS_PC87427
 	  will be called pc87427.
 
 config SENSORS_NTC_THERMISTOR
-	tristate "NTC thermistor support"
+	tristate "NTC thermistor support from Murata"
 	depends on !OF || IIO=n || IIO
 	help
 	  This driver supports NTC thermistors sensor reading and its
@@ -1060,7 +1060,8 @@ config SENSORS_NTC_THERMISTOR
 	  send notifications about the temperature.
 
 	  Currently, this driver supports
-	  NCP15WB473, NCP18WB473, NCP21WB473, NCP03WB473, and NCP15WL333.
+	  NCP15WB473, NCP18WB473, NCP21WB473, NCP03WB473, and NCP15WL333
+	  from Murata.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called ntc-thermistor.
@@ -1176,6 +1177,7 @@ config SENSORS_DME1737
 config SENSORS_EMC1403
 	tristate "SMSC EMC1403/23 thermal sensor"
 	depends on I2C
+	select REGMAP_I2C
 	help
 	  If you say yes here you get support for the SMSC EMC1403/23
 	  temperature monitoring chip.
diff --git a/drivers/hwmon/adc128d818.c b/drivers/hwmon/adc128d818.c
index 5ffd81f19d0..0625e50d7a6 100644
--- a/drivers/hwmon/adc128d818.c
+++ b/drivers/hwmon/adc128d818.c
@@ -239,50 +239,50 @@ static ssize_t adc128_show_alarm(struct device *dev,
 	return sprintf(buf, "%u\n", !!(alarms & mask));
 }
 
-static SENSOR_DEVICE_ATTR_2(in0_input, S_IWUSR | S_IRUGO,
-			    adc128_show_in, adc128_set_in, 0, 0);
+static SENSOR_DEVICE_ATTR_2(in0_input, S_IRUGO,
+			    adc128_show_in, NULL, 0, 0);
 static SENSOR_DEVICE_ATTR_2(in0_min, S_IWUSR | S_IRUGO,
 			    adc128_show_in, adc128_set_in, 0, 1);
 static SENSOR_DEVICE_ATTR_2(in0_max, S_IWUSR | S_IRUGO,
 			    adc128_show_in, adc128_set_in, 0, 2);
 
-static SENSOR_DEVICE_ATTR_2(in1_input, S_IWUSR | S_IRUGO,
-			    adc128_show_in, adc128_set_in, 1, 0);
+static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO,
+			    adc128_show_in, NULL, 1, 0);
 static SENSOR_DEVICE_ATTR_2(in1_min, S_IWUSR | S_IRUGO,
 			    adc128_show_in, adc128_set_in, 1, 1);
 static SENSOR_DEVICE_ATTR_2(in1_max, S_IWUSR | S_IRUGO,
 			    adc128_show_in, adc128_set_in, 1, 2);
 
-static SENSOR_DEVICE_ATTR_2(in2_input, S_IWUSR | S_IRUGO,
-			    adc128_show_in, adc128_set_in, 2, 0);
+static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO,
+			    adc128_show_in, NULL, 2, 0);
 static SENSOR_DEVICE_ATTR_2(in2_min, S_IWUSR | S_IRUGO,
 			    adc128_show_in, adc128_set_in, 2, 1);
 static SENSOR_DEVICE_ATTR_2(in2_max, S_IWUSR | S_IRUGO,
 			    adc128_show_in, adc128_set_in, 2, 2);
 
-static SENSOR_DEVICE_ATTR_2(in3_input, S_IWUSR | S_IRUGO,
-			    adc128_show_in, adc128_set_in, 3, 0);
+static SENSOR_DEVICE_ATTR_2(in3_input, S_IRUGO,
+			    adc128_show_in, NULL, 3, 0);
 static SENSOR_DEVICE_ATTR_2(in3_min, S_IWUSR | S_IRUGO,
 			    adc128_show_in, adc128_set_in, 3, 1);
 static SENSOR_DEVICE_ATTR_2(in3_max, S_IWUSR | S_IRUGO,
 			    adc128_show_in, adc128_set_in, 3, 2);
 
-static SENSOR_DEVICE_ATTR_2(in4_input, S_IWUSR | S_IRUGO,
-			    adc128_show_in, adc128_set_in, 4, 0);
+static SENSOR_DEVICE_ATTR_2(in4_input, S_IRUGO,
+			    adc128_show_in, NULL, 4, 0);
 static SENSOR_DEVICE_ATTR_2(in4_min, S_IWUSR | S_IRUGO,
 			    adc128_show_in, adc128_set_in, 4, 1);
 static SENSOR_DEVICE_ATTR_2(in4_max, S_IWUSR | S_IRUGO,
 			    adc128_show_in, adc128_set_in, 4, 2);
 
-static SENSOR_DEVICE_ATTR_2(in5_input, S_IWUSR | S_IRUGO,
-			    adc128_show_in, adc128_set_in, 5, 0);
+static SENSOR_DEVICE_ATTR_2(in5_input, S_IRUGO,
+			    adc128_show_in, NULL, 5, 0);
 static SENSOR_DEVICE_ATTR_2(in5_min, S_IWUSR | S_IRUGO,
 			    adc128_show_in, adc128_set_in, 5, 1);
 static SENSOR_DEVICE_ATTR_2(in5_max, S_IWUSR | S_IRUGO,
 			    adc128_show_in, adc128_set_in, 5, 2);
 
-static SENSOR_DEVICE_ATTR_2(in6_input, S_IWUSR | S_IRUGO,
-			    adc128_show_in, adc128_set_in, 6, 0);
+static SENSOR_DEVICE_ATTR_2(in6_input, S_IRUGO,
+			    adc128_show_in, NULL, 6, 0);
 static SENSOR_DEVICE_ATTR_2(in6_min, S_IWUSR | S_IRUGO,
 			    adc128_show_in, adc128_set_in, 6, 1);
 static SENSOR_DEVICE_ATTR_2(in6_max, S_IWUSR | S_IRUGO,
diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c
index 3eb4281689b..d74241bb278 100644
--- a/drivers/hwmon/adm1021.c
+++ b/drivers/hwmon/adm1021.c
@@ -185,7 +185,7 @@ static ssize_t set_temp_max(struct device *dev,
 	struct adm1021_data *data = dev_get_drvdata(dev);
 	struct i2c_client *client = data->client;
 	long temp;
-	int err;
+	int reg_val, err;
 
 	err = kstrtol(buf, 10, &temp);
 	if (err)
@@ -193,10 +193,11 @@ static ssize_t set_temp_max(struct device *dev,
 	temp /= 1000;
 
 	mutex_lock(&data->update_lock);
-	data->temp_max[index] = clamp_val(temp, -128, 127);
+	reg_val = clamp_val(temp, -128, 127);
+	data->temp_max[index] = reg_val * 1000;
 	if (!read_only)
 		i2c_smbus_write_byte_data(client, ADM1021_REG_TOS_W(index),
-					  data->temp_max[index]);
+					  reg_val);
 	mutex_unlock(&data->update_lock);
 
 	return count;
@@ -210,7 +211,7 @@ static ssize_t set_temp_min(struct device *dev,
 	struct adm1021_data *data = dev_get_drvdata(dev);
 	struct i2c_client *client = data->client;
 	long temp;
-	int err;
+	int reg_val, err;
 
 	err = kstrtol(buf, 10, &temp);
 	if (err)
@@ -218,10 +219,11 @@ static ssize_t set_temp_min(struct device *dev,
 	temp /= 1000;
 
 	mutex_lock(&data->update_lock);
-	data->temp_min[index] = clamp_val(temp, -128, 127);
+	reg_val = clamp_val(temp, -128, 127);
+	data->temp_min[index] = reg_val * 1000;
 	if (!read_only)
 		i2c_smbus_write_byte_data(client, ADM1021_REG_THYST_W(index),
-					  data->temp_min[index]);
+					  reg_val);
 	mutex_unlock(&data->update_lock);
 
 	return count;
diff --git a/drivers/hwmon/adm1029.c b/drivers/hwmon/adm1029.c
index 78339e880bd..2804571b269 100644
--- a/drivers/hwmon/adm1029.c
+++ b/drivers/hwmon/adm1029.c
@@ -232,6 +232,9 @@ static ssize_t set_fan_div(struct device *dev,
 	/* Update the value */
 	reg = (reg & 0x3F) | (val << 6);
 
+	/* Update the cache */
+	data->fan_div[attr->index] = reg;
+
 	/* Write value */
 	i2c_smbus_write_byte_data(client,
 				  ADM1029_REG_FAN_DIV[attr->index], reg);
diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c
index a8a540ca8c3..51c1a5a165a 100644
--- a/drivers/hwmon/adm1031.c
+++ b/drivers/hwmon/adm1031.c
@@ -365,6 +365,7 @@ set_auto_temp_min(struct device *dev, struct device_attribute *attr,
 	if (ret)
 		return ret;
 
+	val = clamp_val(val, 0, 127000);
 	mutex_lock(&data->update_lock);
 	data->auto_temp[nr] = AUTO_TEMP_MIN_TO_REG(val, data->auto_temp[nr]);
 	adm1031_write_value(client, ADM1031_REG_AUTO_TEMP(nr),
@@ -394,6 +395,7 @@ set_auto_temp_max(struct device *dev, struct device_attribute *attr,
 	if (ret)
 		return ret;
 
+	val = clamp_val(val, 0, 127000);
 	mutex_lock(&data->update_lock);
 	data->temp_max[nr] = AUTO_TEMP_MAX_TO_REG(val, data->auto_temp[nr],
 						  data->pwm[nr]);
@@ -696,7 +698,7 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
 	if (ret)
 		return ret;
 
-	val = clamp_val(val, -55000, nr == 0 ? 127750 : 127875);
+	val = clamp_val(val, -55000, 127000);
 	mutex_lock(&data->update_lock);
 	data->temp_min[nr] = TEMP_TO_REG(val);
 	adm1031_write_value(client, ADM1031_REG_TEMP_MIN(nr),
@@ -717,7 +719,7 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
 	if (ret)
 		return ret;
 
-	val = clamp_val(val, -55000, nr == 0 ? 127750 : 127875);
+	val = clamp_val(val, -55000, 127000);
 	mutex_lock(&data->update_lock);
 	data->temp_max[nr] = TEMP_TO_REG(val);
 	adm1031_write_value(client, ADM1031_REG_TEMP_MAX(nr),
@@ -738,7 +740,7 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
 	if (ret)
 		return ret;
 
-	val = clamp_val(val, -55000, nr == 0 ? 127750 : 127875);
+	val = clamp_val(val, -55000, 127000);
 	mutex_lock(&data->update_lock);
 	data->temp_crit[nr] = TEMP_TO_REG(val);
 	adm1031_write_value(client, ADM1031_REG_TEMP_CRIT(nr),
diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c
index eea81729651..9f2be3dd28f 100644
--- a/drivers/hwmon/amc6821.c
+++ b/drivers/hwmon/amc6821.c
@@ -704,7 +704,7 @@ static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO,
 	get_temp_alarm, NULL, IDX_TEMP1_MAX);
 static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO,
 	get_temp_alarm, NULL, IDX_TEMP1_CRIT);
-static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO,
 	get_temp, NULL, IDX_TEMP2_INPUT);
 static SENSOR_DEVICE_ATTR(temp2_min, S_IRUGO | S_IWUSR, get_temp,
 	set_temp, IDX_TEMP2_MIN);
diff --git a/drivers/hwmon/emc2103.c b/drivers/hwmon/emc2103.c
index fd892dd48e4..78002de46cb 100644
--- a/drivers/hwmon/emc2103.c
+++ b/drivers/hwmon/emc2103.c
@@ -250,9 +250,7 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *da,
 	if (result < 0)
 		return result;
 
-	val = DIV_ROUND_CLOSEST(val, 1000);
-	if ((val < -63) || (val > 127))
-		return -EINVAL;
+	val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -63, 127);
 
 	mutex_lock(&data->update_lock);
 	data->temp_min[nr] = val;
@@ -274,9 +272,7 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *da,
 	if (result < 0)
 		return result;
 
-	val = DIV_ROUND_CLOSEST(val, 1000);
-	if ((val < -63) || (val > 127))
-		return -EINVAL;
+	val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -63, 127);
 
 	mutex_lock(&data->update_lock);
 	data->temp_max[nr] = val;
@@ -390,15 +386,14 @@ static ssize_t set_fan_target(struct device *dev, struct device_attribute *da,
 {
 	struct emc2103_data *data = emc2103_update_device(dev);
 	struct i2c_client *client = to_i2c_client(dev);
-	long rpm_target;
+	unsigned long rpm_target;
 
-	int result = kstrtol(buf, 10, &rpm_target);
+	int result = kstrtoul(buf, 10, &rpm_target);
 	if (result < 0)
 		return result;
 
 	/* Datasheet states 16384 as maximum RPM target (table 3.2) */
-	if ((rpm_target < 0) || (rpm_target > 16384))
-		return -EINVAL;
+	rpm_target = clamp_val(rpm_target, 0, 16384);
 
 	mutex_lock(&data->update_lock);
 
diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c
index ba35e4d530b..2566c43dd1e 100644
--- a/drivers/hwmon/gpio-fan.c
+++ b/drivers/hwmon/gpio-fan.c
@@ -538,7 +538,7 @@ static int gpio_fan_probe(struct platform_device *pdev)
 
 	/* Make this driver part of hwmon class. */
 	fan_data->hwmon_dev = hwmon_device_register_with_groups(&pdev->dev,
-						"gpio-fan", fan_data,
+						"gpio_fan", fan_data,
 						gpio_fan_groups);
 	if (IS_ERR(fan_data->hwmon_dev))
 		return PTR_ERR(fan_data->hwmon_dev);
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index e76feb86a1d..ae66f42c4d6 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -163,6 +163,18 @@ static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata)
 }
 
 static const struct of_device_id ntc_match[] = {
+	{ .compatible = "murata,ncp15wb473",
+		.data = &ntc_thermistor_id[0] },
+	{ .compatible = "murata,ncp18wb473",
+		.data = &ntc_thermistor_id[1] },
+	{ .compatible = "murata,ncp21wb473",
+		.data = &ntc_thermistor_id[2] },
+	{ .compatible = "murata,ncp03wb473",
+		.data = &ntc_thermistor_id[3] },
+	{ .compatible = "murata,ncp15wl333",
+		.data = &ntc_thermistor_id[4] },
+
+	/* Usage of vendor name "ntc" is deprecated */
 	{ .compatible = "ntc,ncp15wb473",
 		.data = &ntc_thermistor_id[0] },
 	{ .compatible = "ntc,ncp18wb473",
@@ -500,7 +512,7 @@ static int ntc_thermistor_probe(struct platform_device *pdev)
 	}
 
 	dev_info(&pdev->dev, "Thermistor type: %s successfully probed.\n",
-								pdev->name);
+								pdev_id->name);
 
 	return 0;
 err_after_sysfs:
@@ -534,7 +546,7 @@ static struct platform_driver ntc_thermistor_driver = {
 
 module_platform_driver(ntc_thermistor_driver);
 
-MODULE_DESCRIPTION("NTC Thermistor Driver");
+MODULE_DESCRIPTION("NTC Thermistor Driver from Murata");
 MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:ntc-thermistor");
diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c
index 6ed76ceb927..32487c19cbf 100644
--- a/drivers/hwmon/w83l786ng.c
+++ b/drivers/hwmon/w83l786ng.c
@@ -249,7 +249,7 @@ static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
 	int nr = to_sensor_dev_attr(attr)->index; \
 	struct w83l786ng_data *data = w83l786ng_update_device(dev); \
 	return sprintf(buf, "%d\n", \
-		FAN_FROM_REG(data->fan[nr], DIV_FROM_REG(data->fan_div[nr]))); \
+		FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \
 }
 
 show_fan_reg(fan);
diff --git a/drivers/i2c/busses/i2c-sun6i-p2wi.c b/drivers/i2c/busses/i2c-sun6i-p2wi.c
index 09de4fd12d5..4d75d475970 100644
--- a/drivers/i2c/busses/i2c-sun6i-p2wi.c
+++ b/drivers/i2c/busses/i2c-sun6i-p2wi.c
@@ -22,7 +22,6 @@
  *
  */
 #include <linux/clk.h>
-#include <linux/module.h>
 #include <linux/i2c.h>
 #include <linux/io.h>
 #include <linux/interrupt.h>
diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig
index f7f9865b8b8..f6d313e528d 100644
--- a/drivers/i2c/muxes/Kconfig
+++ b/drivers/i2c/muxes/Kconfig
@@ -40,6 +40,7 @@ config I2C_MUX_PCA9541
 
 config I2C_MUX_PCA954x
 	tristate "Philips PCA954x I2C Mux/switches"
+	depends on GPIOLIB
 	help
 	  If you say yes here you get support for the Philips PCA954x
 	  I2C mux/switch devices.
diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c
index 69abf9163df..54e464e4bb7 100644
--- a/drivers/iio/accel/hid-sensor-accel-3d.c
+++ b/drivers/iio/accel/hid-sensor-accel-3d.c
@@ -110,7 +110,6 @@ static int accel_3d_read_raw(struct iio_dev *indio_dev,
 	struct accel_3d_state *accel_state = iio_priv(indio_dev);
 	int report_id = -1;
 	u32 address;
-	int ret;
 	int ret_type;
 	s32 poll_value;
 
@@ -151,14 +150,12 @@ static int accel_3d_read_raw(struct iio_dev *indio_dev,
 		ret_type = IIO_VAL_INT;
 		break;
 	case IIO_CHAN_INFO_SAMP_FREQ:
-		ret = hid_sensor_read_samp_freq_value(
+		ret_type = hid_sensor_read_samp_freq_value(
 			&accel_state->common_attributes, val, val2);
-		ret_type = IIO_VAL_INT_PLUS_MICRO;
 		break;
 	case IIO_CHAN_INFO_HYSTERESIS:
-		ret = hid_sensor_read_raw_hyst_value(
+		ret_type = hid_sensor_read_raw_hyst_value(
 			&accel_state->common_attributes, val, val2);
-		ret_type = IIO_VAL_INT_PLUS_MICRO;
 		break;
 	default:
 		ret_type = -EINVAL;
diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c
index 39b4cb48d73..6eba301ee03 100644
--- a/drivers/iio/adc/ad799x.c
+++ b/drivers/iio/adc/ad799x.c
@@ -427,9 +427,12 @@ static int ad799x_write_event_value(struct iio_dev *indio_dev,
 	int ret;
 	struct ad799x_state *st = iio_priv(indio_dev);
 
+	if (val < 0 || val > RES_MASK(chan->scan_type.realbits))
+		return -EINVAL;
+
 	mutex_lock(&indio_dev->mlock);
 	ret = ad799x_i2c_write16(st, ad799x_threshold_reg(chan, dir, info),
-		val);
+		val << chan->scan_type.shift);
 	mutex_unlock(&indio_dev->mlock);
 
 	return ret;
@@ -452,7 +455,8 @@ static int ad799x_read_event_value(struct iio_dev *indio_dev,
 	mutex_unlock(&indio_dev->mlock);
 	if (ret < 0)
 		return ret;
-	*val = valin;
+	*val = (valin >> chan->scan_type.shift) &
+		RES_MASK(chan->scan_type.realbits);
 
 	return IIO_VAL_INT;
 }
diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
index a4db3026bec..d5dc4c6ce86 100644
--- a/drivers/iio/adc/ti_am335x_adc.c
+++ b/drivers/iio/adc/ti_am335x_adc.c
@@ -374,7 +374,7 @@ static int tiadc_read_raw(struct iio_dev *indio_dev,
 			return -EAGAIN;
 		}
 	}
-	map_val = chan->channel + TOTAL_CHANNELS;
+	map_val = adc_dev->channel_step[chan->scan_index];
 
 	/*
 	 * We check the complete FIFO. We programmed just one entry but in case
diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c
index 40f4e4935d0..fa034a3dad7 100644
--- a/drivers/iio/gyro/hid-sensor-gyro-3d.c
+++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c
@@ -110,7 +110,6 @@ static int gyro_3d_read_raw(struct iio_dev *indio_dev,
 	struct gyro_3d_state *gyro_state = iio_priv(indio_dev);
 	int report_id = -1;
 	u32 address;
-	int ret;
 	int ret_type;
 	s32 poll_value;
 
@@ -151,14 +150,12 @@ static int gyro_3d_read_raw(struct iio_dev *indio_dev,
 		ret_type = IIO_VAL_INT;
 		break;
 	case IIO_CHAN_INFO_SAMP_FREQ:
-		ret = hid_sensor_read_samp_freq_value(
+		ret_type = hid_sensor_read_samp_freq_value(
 			&gyro_state->common_attributes, val, val2);
-			ret_type = IIO_VAL_INT_PLUS_MICRO;
 		break;
 	case IIO_CHAN_INFO_HYSTERESIS:
-		ret = hid_sensor_read_raw_hyst_value(
+		ret_type = hid_sensor_read_raw_hyst_value(
 			&gyro_state->common_attributes, val, val2);
-		ret_type = IIO_VAL_INT_PLUS_MICRO;
 		break;
 	default:
 		ret_type = -EINVAL;
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index d833d55052e..c7497009d60 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -183,7 +183,7 @@ static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np,
 		else if (name && index >= 0) {
 			pr_err("ERROR: could not get IIO channel %s:%s(%i)\n",
 				np->full_name, name ? name : "", index);
-			return chan;
+			return NULL;
 		}
 
 		/*
@@ -193,8 +193,9 @@ static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np,
 		 */
 		np = np->parent;
 		if (np && !of_get_property(np, "io-channel-ranges", NULL))
-			break;
+			return NULL;
 	}
+
 	return chan;
 }
 
@@ -317,6 +318,7 @@ struct iio_channel *iio_channel_get(struct device *dev,
 		if (channel != NULL)
 			return channel;
 	}
+
 	return iio_channel_get_sys(name, channel_name);
 }
 EXPORT_SYMBOL_GPL(iio_channel_get);
diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c
index f34c94380b4..96e71e103ea 100644
--- a/drivers/iio/light/hid-sensor-als.c
+++ b/drivers/iio/light/hid-sensor-als.c
@@ -79,7 +79,6 @@ static int als_read_raw(struct iio_dev *indio_dev,
 	struct als_state *als_state = iio_priv(indio_dev);
 	int report_id = -1;
 	u32 address;
-	int ret;
 	int ret_type;
 	s32 poll_value;
 
@@ -129,14 +128,12 @@ static int als_read_raw(struct iio_dev *indio_dev,
 		ret_type = IIO_VAL_INT;
 		break;
 	case IIO_CHAN_INFO_SAMP_FREQ:
-		ret = hid_sensor_read_samp_freq_value(
+		ret_type = hid_sensor_read_samp_freq_value(
 				&als_state->common_attributes, val, val2);
-		ret_type = IIO_VAL_INT_PLUS_MICRO;
 		break;
 	case IIO_CHAN_INFO_HYSTERESIS:
-		ret = hid_sensor_read_raw_hyst_value(
+		ret_type = hid_sensor_read_raw_hyst_value(
 				&als_state->common_attributes, val, val2);
-		ret_type = IIO_VAL_INT_PLUS_MICRO;
 		break;
 	default:
 		ret_type = -EINVAL;
diff --git a/drivers/iio/light/hid-sensor-prox.c b/drivers/iio/light/hid-sensor-prox.c
index d203ef4d892..412bae86d6a 100644
--- a/drivers/iio/light/hid-sensor-prox.c
+++ b/drivers/iio/light/hid-sensor-prox.c
@@ -74,7 +74,6 @@ static int prox_read_raw(struct iio_dev *indio_dev,
 	struct prox_state *prox_state = iio_priv(indio_dev);
 	int report_id = -1;
 	u32 address;
-	int ret;
 	int ret_type;
 	s32 poll_value;
 
@@ -125,14 +124,12 @@ static int prox_read_raw(struct iio_dev *indio_dev,
 		ret_type = IIO_VAL_INT;
 		break;
 	case IIO_CHAN_INFO_SAMP_FREQ:
-		ret = hid_sensor_read_samp_freq_value(
+		ret_type = hid_sensor_read_samp_freq_value(
 				&prox_state->common_attributes, val, val2);
-		ret_type = IIO_VAL_INT_PLUS_MICRO;
 		break;
 	case IIO_CHAN_INFO_HYSTERESIS:
-		ret = hid_sensor_read_raw_hyst_value(
+		ret_type = hid_sensor_read_raw_hyst_value(
 				&prox_state->common_attributes, val, val2);
-		ret_type = IIO_VAL_INT_PLUS_MICRO;
 		break;
 	default:
 		ret_type = -EINVAL;
diff --git a/drivers/iio/light/tcs3472.c b/drivers/iio/light/tcs3472.c
index fe063a0a21c..752569985d1 100644
--- a/drivers/iio/light/tcs3472.c
+++ b/drivers/iio/light/tcs3472.c
@@ -52,6 +52,7 @@
 
 struct tcs3472_data {
 	struct i2c_client *client;
+	struct mutex lock;
 	u8 enable;
 	u8 control;
 	u8 atime;
@@ -116,10 +117,17 @@ static int tcs3472_read_raw(struct iio_dev *indio_dev,
 
 	switch (mask) {
 	case IIO_CHAN_INFO_RAW:
+		if (iio_buffer_enabled(indio_dev))
+			return -EBUSY;
+
+		mutex_lock(&data->lock);
 		ret = tcs3472_req_data(data);
-		if (ret < 0)
+		if (ret < 0) {
+			mutex_unlock(&data->lock);
 			return ret;
+		}
 		ret = i2c_smbus_read_word_data(data->client, chan->address);
+		mutex_unlock(&data->lock);
 		if (ret < 0)
 			return ret;
 		*val = ret;
@@ -255,6 +263,7 @@ static int tcs3472_probe(struct i2c_client *client,
 	data = iio_priv(indio_dev);
 	i2c_set_clientdata(client, indio_dev);
 	data->client = client;
+	mutex_init(&data->lock);
 
 	indio_dev->dev.parent = &client->dev;
 	indio_dev->info = &tcs3472_info;
diff --git a/drivers/iio/magnetometer/hid-sensor-magn-3d.c b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
index 41cf29e2a37..b2b0937d513 100644
--- a/drivers/iio/magnetometer/hid-sensor-magn-3d.c
+++ b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
@@ -110,7 +110,6 @@ static int magn_3d_read_raw(struct iio_dev *indio_dev,
 	struct magn_3d_state *magn_state = iio_priv(indio_dev);
 	int report_id = -1;
 	u32 address;
-	int ret;
 	int ret_type;
 	s32 poll_value;
 
@@ -153,14 +152,12 @@ static int magn_3d_read_raw(struct iio_dev *indio_dev,
 		ret_type = IIO_VAL_INT;
 		break;
 	case IIO_CHAN_INFO_SAMP_FREQ:
-		ret = hid_sensor_read_samp_freq_value(
+		ret_type = hid_sensor_read_samp_freq_value(
 			&magn_state->common_attributes, val, val2);
-		ret_type = IIO_VAL_INT_PLUS_MICRO;
 		break;
 	case IIO_CHAN_INFO_HYSTERESIS:
-		ret = hid_sensor_read_raw_hyst_value(
+		ret_type = hid_sensor_read_raw_hyst_value(
 			&magn_state->common_attributes, val, val2);
-		ret_type = IIO_VAL_INT_PLUS_MICRO;
 		break;
 	default:
 		ret_type = -EINVAL;
diff --git a/drivers/iio/pressure/hid-sensor-press.c b/drivers/iio/pressure/hid-sensor-press.c
index 1cd190c7378..2c0d2a4fed8 100644
--- a/drivers/iio/pressure/hid-sensor-press.c
+++ b/drivers/iio/pressure/hid-sensor-press.c
@@ -78,7 +78,6 @@ static int press_read_raw(struct iio_dev *indio_dev,
 	struct press_state *press_state = iio_priv(indio_dev);
 	int report_id = -1;
 	u32 address;
-	int ret;
 	int ret_type;
 	s32 poll_value;
 
@@ -128,14 +127,12 @@ static int press_read_raw(struct iio_dev *indio_dev,
 		ret_type = IIO_VAL_INT;
 		break;
 	case IIO_CHAN_INFO_SAMP_FREQ:
-		ret = hid_sensor_read_samp_freq_value(
+		ret_type = hid_sensor_read_samp_freq_value(
 				&press_state->common_attributes, val, val2);
-		ret_type = IIO_VAL_INT_PLUS_MICRO;
 		break;
 	case IIO_CHAN_INFO_HYSTERESIS:
-		ret = hid_sensor_read_raw_hyst_value(
+		ret_type = hid_sensor_read_raw_hyst_value(
 				&press_state->common_attributes, val, val2);
-		ret_type = IIO_VAL_INT_PLUS_MICRO;
 		break;
 	default:
 		ret_type = -EINVAL;
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index d4daa05efe6..499b4366a98 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -45,7 +45,7 @@ struct pri_queue {
 struct pasid_state {
 	struct list_head list;			/* For global state-list */
 	atomic_t count;				/* Reference count */
-	atomic_t mmu_notifier_count;		/* Counting nested mmu_notifier
+	unsigned mmu_notifier_count;		/* Counting nested mmu_notifier
 						   calls */
 	struct task_struct *task;		/* Task bound to this PASID */
 	struct mm_struct *mm;			/* mm_struct for the faults */
@@ -53,7 +53,8 @@ struct pasid_state {
 	struct pri_queue pri[PRI_QUEUE_SIZE];	/* PRI tag states */
 	struct device_state *device_state;	/* Link to our device_state */
 	int pasid;				/* PASID index */
-	spinlock_t lock;			/* Protect pri_queues */
+	spinlock_t lock;			/* Protect pri_queues and
+						   mmu_notifer_count */
 	wait_queue_head_t wq;			/* To wait for count == 0 */
 };
 
@@ -431,15 +432,19 @@ static void mn_invalidate_range_start(struct mmu_notifier *mn,
 {
 	struct pasid_state *pasid_state;
 	struct device_state *dev_state;
+	unsigned long flags;
 
 	pasid_state = mn_to_state(mn);
 	dev_state   = pasid_state->device_state;
 
-	if (atomic_add_return(1, &pasid_state->mmu_notifier_count) == 1) {
+	spin_lock_irqsave(&pasid_state->lock, flags);
+	if (pasid_state->mmu_notifier_count == 0) {
 		amd_iommu_domain_set_gcr3(dev_state->domain,
 					  pasid_state->pasid,
 					  __pa(empty_page_table));
 	}
+	pasid_state->mmu_notifier_count += 1;
+	spin_unlock_irqrestore(&pasid_state->lock, flags);
 }
 
 static void mn_invalidate_range_end(struct mmu_notifier *mn,
@@ -448,15 +453,19 @@ static void mn_invalidate_range_end(struct mmu_notifier *mn,
 {
 	struct pasid_state *pasid_state;
 	struct device_state *dev_state;
+	unsigned long flags;
 
 	pasid_state = mn_to_state(mn);
 	dev_state   = pasid_state->device_state;
 
-	if (atomic_dec_and_test(&pasid_state->mmu_notifier_count)) {
+	spin_lock_irqsave(&pasid_state->lock, flags);
+	pasid_state->mmu_notifier_count -= 1;
+	if (pasid_state->mmu_notifier_count == 0) {
 		amd_iommu_domain_set_gcr3(dev_state->domain,
 					  pasid_state->pasid,
 					  __pa(pasid_state->mm->pgd));
 	}
+	spin_unlock_irqrestore(&pasid_state->lock, flags);
 }
 
 static void mn_release(struct mmu_notifier *mn, struct mm_struct *mm)
@@ -650,7 +659,6 @@ int amd_iommu_bind_pasid(struct pci_dev *pdev, int pasid,
 		goto out;
 
 	atomic_set(&pasid_state->count, 1);
-	atomic_set(&pasid_state->mmu_notifier_count, 0);
 	init_waitqueue_head(&pasid_state->wq);
 	spin_lock_init(&pasid_state->lock);
 
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 6bb32773c3a..51b6b77dc3e 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3816,14 +3816,11 @@ int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info)
 				((void *)rmrr) + rmrr->header.length,
 				rmrr->segment, rmrru->devices,
 				rmrru->devices_cnt);
-			if (ret > 0)
-				break;
-			else if(ret < 0)
+			if(ret < 0)
 				return ret;
 		} else if (info->event == BUS_NOTIFY_DEL_DEVICE) {
-			if (dmar_remove_dev_scope(info, rmrr->segment,
-				rmrru->devices, rmrru->devices_cnt))
-				break;
+			dmar_remove_dev_scope(info, rmrr->segment,
+				rmrru->devices, rmrru->devices_cnt);
 		}
 	}
 
diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c
index c887e6eebc4..574aba0eba4 100644
--- a/drivers/irqchip/irq-armada-370-xp.c
+++ b/drivers/irqchip/irq-armada-370-xp.c
@@ -334,6 +334,15 @@ static void armada_mpic_send_doorbell(const struct cpumask *mask,
 
 static void armada_xp_mpic_smp_cpu_init(void)
 {
+	u32 control;
+	int nr_irqs, i;
+
+	control = readl(main_int_base + ARMADA_370_XP_INT_CONTROL);
+	nr_irqs = (control >> 2) & 0x3ff;
+
+	for (i = 0; i < nr_irqs; i++)
+		writel(i, per_cpu_int_base + ARMADA_370_XP_INT_SET_MASK_OFFS);
+
 	/* Clear pending IPIs */
 	writel(0, per_cpu_int_base + ARMADA_370_XP_IN_DRBEL_CAUSE_OFFS);
 
@@ -474,7 +483,7 @@ static int __init armada_370_xp_mpic_of_init(struct device_node *node,
 					     struct device_node *parent)
 {
 	struct resource main_int_res, per_cpu_int_res;
-	int parent_irq;
+	int parent_irq, nr_irqs, i;
 	u32 control;
 
 	BUG_ON(of_address_to_resource(node, 0, &main_int_res));
@@ -496,9 +505,13 @@ static int __init armada_370_xp_mpic_of_init(struct device_node *node,
 	BUG_ON(!per_cpu_int_base);
 
 	control = readl(main_int_base + ARMADA_370_XP_INT_CONTROL);
+	nr_irqs = (control >> 2) & 0x3ff;
+
+	for (i = 0; i < nr_irqs; i++)
+		writel(i, main_int_base + ARMADA_370_XP_INT_CLEAR_ENABLE_OFFS);
 
 	armada_370_xp_mpic_domain =
-		irq_domain_add_linear(node, (control >> 2) & 0x3ff,
+		irq_domain_add_linear(node, nr_irqs,
 				&armada_370_xp_mpic_irq_ops, NULL);
 
 	BUG_ON(!armada_370_xp_mpic_domain);
diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c
index 8ee2a36d584..c15c840987d 100644
--- a/drivers/irqchip/irq-brcmstb-l2.c
+++ b/drivers/irqchip/irq-brcmstb-l2.c
@@ -150,7 +150,7 @@ int __init brcmstb_l2_intc_of_init(struct device_node *np,
 
 	/* Allocate a single Generic IRQ chip for this node */
 	ret = irq_alloc_domain_generic_chips(data->domain, 32, 1,
-				np->full_name, handle_level_irq, clr, 0, 0);
+				np->full_name, handle_edge_irq, clr, 0, 0);
 	if (ret) {
 		pr_err("failed to allocate generic irq chip\n");
 		goto out_free_domain;
diff --git a/drivers/irqchip/spear-shirq.c b/drivers/irqchip/spear-shirq.c
index 3fdda3a4026..6ce6bd3441b 100644
--- a/drivers/irqchip/spear-shirq.c
+++ b/drivers/irqchip/spear-shirq.c
@@ -125,7 +125,7 @@ static struct spear_shirq spear320_shirq_ras2 = {
 };
 
 static struct spear_shirq spear320_shirq_ras3 = {
-	.irq_nr = 3,
+	.irq_nr = 7,
 	.irq_bit_off = 0,
 	.invalid_irq = 1,
 	.regs = {
diff --git a/drivers/isdn/hisax/Kconfig b/drivers/isdn/hisax/Kconfig
index d9edcc94c2a..97465ac5a2d 100644
--- a/drivers/isdn/hisax/Kconfig
+++ b/drivers/isdn/hisax/Kconfig
@@ -16,7 +16,7 @@ config ISDN_DRV_HISAX
 	  also to the configuration option of the driver for your particular
 	  card, below.
 
-if ISDN_DRV_HISAX!=n
+if ISDN_DRV_HISAX
 
 comment "D-channel protocol features"
 
@@ -348,10 +348,6 @@ config HISAX_ENTERNOW_PCI
 	  This enables HiSax support for the Formula-n enter:now PCI
 	  ISDN card.
 
-endif
-
-if ISDN_DRV_HISAX
-
 config HISAX_DEBUG
 	bool "HiSax debugging"
 	help
@@ -420,11 +416,6 @@ config HISAX_FRITZ_PCIPNP
 	  (the latter also needs you to select "ISA Plug and Play support"
 	  from the menu "Plug and Play configuration")
 
-config HISAX_AVM_A1_PCMCIA
-	bool
-	depends on HISAX_AVM_A1_CS
-	default y
-
 endif
 
 endmenu
diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
index 23b4a3b28db..4eab93aa570 100644
--- a/drivers/macintosh/smu.c
+++ b/drivers/macintosh/smu.c
@@ -1257,7 +1257,8 @@ static unsigned int smu_fpoll(struct file *file, poll_table *wait)
 		if (pp->busy && pp->cmd.status != 1)
 			mask |= POLLIN;
 		spin_unlock_irqrestore(&pp->lock, flags);
-	} if (pp->mode == smu_file_events) {
+	}
+	if (pp->mode == smu_file_events) {
 		/* Not yet implemented */
 	}
 	return mask;
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 53b213226c0..4cba2d808af 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003 Christophe Saout <christophe@saout.de>
+ * Copyright (C) 2003 Jana Saout <jana@saout.de>
  * Copyright (C) 2004 Clemens Fruhwirth <clemens@endorphin.org>
  * Copyright (C) 2006-2009 Red Hat, Inc. All rights reserved.
  * Copyright (C) 2013 Milan Broz <gmazyland@gmail.com>
@@ -1996,6 +1996,6 @@ static void __exit dm_crypt_exit(void)
 module_init(dm_crypt_init);
 module_exit(dm_crypt_exit);
 
-MODULE_AUTHOR("Christophe Saout <christophe@saout.de>");
+MODULE_AUTHOR("Jana Saout <jana@saout.de>");
 MODULE_DESCRIPTION(DM_NAME " target for transparent encryption / decryption");
 MODULE_LICENSE("GPL");
diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index 3842ac738f9..db404a0f7e2 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -10,6 +10,7 @@
 #include <linux/device-mapper.h>
 
 #include <linux/bio.h>
+#include <linux/completion.h>
 #include <linux/mempool.h>
 #include <linux/module.h>
 #include <linux/sched.h>
@@ -32,7 +33,7 @@ struct dm_io_client {
 struct io {
 	unsigned long error_bits;
 	atomic_t count;
-	struct task_struct *sleeper;
+	struct completion *wait;
 	struct dm_io_client *client;
 	io_notify_fn callback;
 	void *context;
@@ -121,8 +122,8 @@ static void dec_count(struct io *io, unsigned int region, int error)
 			invalidate_kernel_vmap_range(io->vma_invalidate_address,
 						     io->vma_invalidate_size);
 
-		if (io->sleeper)
-			wake_up_process(io->sleeper);
+		if (io->wait)
+			complete(io->wait);
 
 		else {
 			unsigned long r = io->error_bits;
@@ -387,6 +388,7 @@ static int sync_io(struct dm_io_client *client, unsigned int num_regions,
 	 */
 	volatile char io_[sizeof(struct io) + __alignof__(struct io) - 1];
 	struct io *io = (struct io *)PTR_ALIGN(&io_, __alignof__(struct io));
+	DECLARE_COMPLETION_ONSTACK(wait);
 
 	if (num_regions > 1 && (rw & RW_MASK) != WRITE) {
 		WARN_ON(1);
@@ -395,7 +397,7 @@ static int sync_io(struct dm_io_client *client, unsigned int num_regions,
 
 	io->error_bits = 0;
 	atomic_set(&io->count, 1); /* see dispatch_io() */
-	io->sleeper = current;
+	io->wait = &wait;
 	io->client = client;
 
 	io->vma_invalidate_address = dp->vma_invalidate_address;
@@ -403,15 +405,7 @@ static int sync_io(struct dm_io_client *client, unsigned int num_regions,
 
 	dispatch_io(rw, num_regions, where, dp, io, 1);
 
-	while (1) {
-		set_current_state(TASK_UNINTERRUPTIBLE);
-
-		if (!atomic_read(&io->count))
-			break;
-
-		io_schedule();
-	}
-	set_current_state(TASK_RUNNING);
+	wait_for_completion_io(&wait);
 
 	if (error_bits)
 		*error_bits = io->error_bits;
@@ -434,7 +428,7 @@ static int async_io(struct dm_io_client *client, unsigned int num_regions,
 	io = mempool_alloc(client->pool, GFP_NOIO);
 	io->error_bits = 0;
 	atomic_set(&io->count, 1); /* see dispatch_io() */
-	io->sleeper = NULL;
+	io->wait = NULL;
 	io->client = client;
 	io->callback = fn;
 	io->context = context;
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 3f6fd9d33ba..f4167b013d9 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1611,8 +1611,9 @@ static int multipath_busy(struct dm_target *ti)
 
 	spin_lock_irqsave(&m->lock, flags);
 
-	/* pg_init in progress, requeue until done */
-	if (!pg_ready(m)) {
+	/* pg_init in progress or no paths available */
+	if (m->pg_init_in_progress ||
+	    (!m->nr_valid_paths && m->queue_if_no_path)) {
 		busy = 1;
 		goto out;
 	}
diff --git a/drivers/md/dm-zero.c b/drivers/md/dm-zero.c
index c99003e0d47..b9a64bbce30 100644
--- a/drivers/md/dm-zero.c
+++ b/drivers/md/dm-zero.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003 Christophe Saout <christophe@saout.de>
+ * Copyright (C) 2003 Jana Saout <jana@saout.de>
  *
  * This file is released under the GPL.
  */
@@ -79,6 +79,6 @@ static void __exit dm_zero_exit(void)
 module_init(dm_zero_init)
 module_exit(dm_zero_exit)
 
-MODULE_AUTHOR("Christophe Saout <christophe@saout.de>");
+MODULE_AUTHOR("Jana Saout <jana@saout.de>");
 MODULE_DESCRIPTION(DM_NAME " dummy target returning zeros");
 MODULE_LICENSE("GPL");
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 437d99045ef..32b958dbc49 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -54,6 +54,8 @@ static void do_deferred_remove(struct work_struct *w);
 
 static DECLARE_WORK(deferred_remove_work, do_deferred_remove);
 
+static struct workqueue_struct *deferred_remove_workqueue;
+
 /*
  * For bio-based dm.
  * One of these is allocated per bio.
@@ -276,16 +278,24 @@ static int __init local_init(void)
 	if (r)
 		goto out_free_rq_tio_cache;
 
+	deferred_remove_workqueue = alloc_workqueue("kdmremove", WQ_UNBOUND, 1);
+	if (!deferred_remove_workqueue) {
+		r = -ENOMEM;
+		goto out_uevent_exit;
+	}
+
 	_major = major;
 	r = register_blkdev(_major, _name);
 	if (r < 0)
-		goto out_uevent_exit;
+		goto out_free_workqueue;
 
 	if (!_major)
 		_major = r;
 
 	return 0;
 
+out_free_workqueue:
+	destroy_workqueue(deferred_remove_workqueue);
 out_uevent_exit:
 	dm_uevent_exit();
 out_free_rq_tio_cache:
@@ -299,6 +309,7 @@ out_free_io_cache:
 static void local_exit(void)
 {
 	flush_scheduled_work();
+	destroy_workqueue(deferred_remove_workqueue);
 
 	kmem_cache_destroy(_rq_tio_cache);
 	kmem_cache_destroy(_io_cache);
@@ -407,7 +418,7 @@ static void dm_blk_close(struct gendisk *disk, fmode_t mode)
 
 	if (atomic_dec_and_test(&md->open_count) &&
 	    (test_bit(DMF_DEFERRED_REMOVE, &md->flags)))
-		schedule_work(&deferred_remove_work);
+		queue_work(deferred_remove_workqueue, &deferred_remove_work);
 
 	dm_put(md);
 
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 34846856dbc..32fc19c540d 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5599,7 +5599,7 @@ static int get_array_info(struct mddev * mddev, void __user * arg)
 	if (mddev->in_sync)
 		info.state = (1<<MD_SB_CLEAN);
 	if (mddev->bitmap && mddev->bitmap_info.offset)
-		info.state = (1<<MD_SB_BITMAP_PRESENT);
+		info.state |= (1<<MD_SB_BITMAP_PRESENT);
 	info.active_disks  = insync;
 	info.working_disks = working;
 	info.failed_disks  = failed;
@@ -7501,6 +7501,19 @@ void md_do_sync(struct md_thread *thread)
 			    rdev->recovery_offset < j)
 				j = rdev->recovery_offset;
 		rcu_read_unlock();
+
+		/* If there is a bitmap, we need to make sure all
+		 * writes that started before we added a spare
+		 * complete before we start doing a recovery.
+		 * Otherwise the write might complete and (via
+		 * bitmap_endwrite) set a bit in the bitmap after the
+		 * recovery has checked that bit and skipped that
+		 * region.
+		 */
+		if (mddev->bitmap) {
+			mddev->pers->quiesce(mddev, 1);
+			mddev->pers->quiesce(mddev, 0);
+		}
 	}
 
 	printk(KERN_INFO "md: %s of RAID array %s\n", desc, mdname(mddev));
diff --git a/drivers/memstick/host/rtsx_pci_ms.c b/drivers/memstick/host/rtsx_pci_ms.c
index 2a635b6fdaf..c880ba68575 100644
--- a/drivers/memstick/host/rtsx_pci_ms.c
+++ b/drivers/memstick/host/rtsx_pci_ms.c
@@ -601,6 +601,7 @@ static int rtsx_pci_ms_drv_remove(struct platform_device *pdev)
 	pcr->slots[RTSX_MS_CARD].card_event = NULL;
 	msh = host->msh;
 	host->eject = true;
+	cancel_work_sync(&host->handle_req);
 
 	mutex_lock(&host->host_mutex);
 	if (host->req) {
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index ee8204cc31e..6cc4b6acc22 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -760,6 +760,7 @@ config MFD_SYSCON
 config MFD_DAVINCI_VOICECODEC
 	tristate
 	select MFD_CORE
+	select REGMAP_MMIO
 
 config MFD_TI_AM335X_TSCADC
 	tristate "TI ADC / Touch Screen chip support"
@@ -1225,7 +1226,7 @@ config MFD_WM8994
 	  functionaltiy of the device other drivers must be enabled.
 
 config MFD_STW481X
-	bool "Support for ST Microelectronics STw481x"
+	tristate "Support for ST Microelectronics STw481x"
 	depends on I2C && ARCH_NOMADIK
 	select REGMAP_I2C
 	select MFD_CORE
@@ -1248,7 +1249,7 @@ config MCP_SA11X0
 
 # Chip drivers
 config MCP_UCB1200
-	bool "Support for UCB1200 / UCB1300"
+	tristate "Support for UCB1200 / UCB1300"
 	depends on MCP_SA11X0
 	select MCP
 
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index a8ee4a36a1d..cf2e6a198c6 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -591,7 +591,7 @@ static int ab8500_irq_init(struct ab8500 *ab8500, struct device_node *np)
 		num_irqs = AB8500_NR_IRQS;
 
 	/* If ->irq_base is zero this will give a linear mapping */
-	ab8500->domain = irq_domain_add_simple(NULL,
+	ab8500->domain = irq_domain_add_simple(ab8500->dev->of_node,
 			num_irqs, 0,
 			&ab8500_irq_ops, ab8500);
 
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index a43d0c46727..ee9402324a2 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -54,7 +54,7 @@ config AD525X_DPOT_SPI
 config ATMEL_PWM
 	tristate "Atmel AT32/AT91 PWM support"
 	depends on HAVE_CLK
-	depends on AVR32 || AT91SAM9263 || AT91SAM9RL || AT91SAM9G45
+	depends on AVR32 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91SAM9G45
 	help
 	  This option enables device driver support for the PWM channels
 	  on certain Atmel processors.  Pulse Width Modulation is used for
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 04f35f960cb..3a451b6cd3d 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1025,10 +1025,14 @@ static netdev_features_t bond_fix_features(struct net_device *dev,
 				 NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \
 				 NETIF_F_HIGHDMA | NETIF_F_LRO)
 
+#define BOND_ENC_FEATURES	(NETIF_F_ALL_CSUM | NETIF_F_SG | NETIF_F_RXCSUM |\
+				 NETIF_F_TSO | NETIF_F_GSO_UDP_TUNNEL)
+
 static void bond_compute_features(struct bonding *bond)
 {
 	unsigned int flags, dst_release_flag = IFF_XMIT_DST_RELEASE;
 	netdev_features_t vlan_features = BOND_VLAN_FEATURES;
+	netdev_features_t enc_features  = BOND_ENC_FEATURES;
 	struct net_device *bond_dev = bond->dev;
 	struct list_head *iter;
 	struct slave *slave;
@@ -1044,6 +1048,9 @@ static void bond_compute_features(struct bonding *bond)
 		vlan_features = netdev_increment_features(vlan_features,
 			slave->dev->vlan_features, BOND_VLAN_FEATURES);
 
+		enc_features = netdev_increment_features(enc_features,
+							 slave->dev->hw_enc_features,
+							 BOND_ENC_FEATURES);
 		dst_release_flag &= slave->dev->priv_flags;
 		if (slave->dev->hard_header_len > max_hard_header_len)
 			max_hard_header_len = slave->dev->hard_header_len;
@@ -1054,6 +1061,7 @@ static void bond_compute_features(struct bonding *bond)
 
 done:
 	bond_dev->vlan_features = vlan_features;
+	bond_dev->hw_enc_features = enc_features;
 	bond_dev->hard_header_len = max_hard_header_len;
 	bond_dev->gso_max_segs = gso_max_segs;
 	netif_set_gso_max_size(bond_dev, gso_max_size);
@@ -3975,6 +3983,7 @@ void bond_setup(struct net_device *bond_dev)
 				NETIF_F_HW_VLAN_CTAG_FILTER;
 
 	bond_dev->hw_features &= ~(NETIF_F_ALL_CSUM & ~NETIF_F_HW_CSUM);
+	bond_dev->hw_features |= NETIF_F_GSO_UDP_TUNNEL;
 	bond_dev->features |= bond_dev->hw_features;
 }
 
diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c
index dcf9196f631..ea4d4f1a641 100644
--- a/drivers/net/can/slcan.c
+++ b/drivers/net/can/slcan.c
@@ -52,6 +52,7 @@
 #include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
+#include <linux/workqueue.h>
 #include <linux/can.h>
 #include <linux/can/skb.h>
 
@@ -85,6 +86,7 @@ struct slcan {
 	struct tty_struct	*tty;		/* ptr to TTY structure	     */
 	struct net_device	*dev;		/* easy for intr handling    */
 	spinlock_t		lock;
+	struct work_struct	tx_work;	/* Flushes transmit buffer   */
 
 	/* These are pointers to the malloc()ed frame buffers. */
 	unsigned char		rbuff[SLC_MTU];	/* receiver buffer	     */
@@ -309,36 +311,46 @@ static void slc_encaps(struct slcan *sl, struct can_frame *cf)
 	sl->dev->stats.tx_bytes += cf->can_dlc;
 }
 
-/*
- * Called by the driver when there's room for more data.  If we have
- * more packets to send, we send them here.
- */
-static void slcan_write_wakeup(struct tty_struct *tty)
+/* Write out any remaining transmit buffer. Scheduled when tty is writable */
+static void slcan_transmit(struct work_struct *work)
 {
+	struct slcan *sl = container_of(work, struct slcan, tx_work);
 	int actual;
-	struct slcan *sl = (struct slcan *) tty->disc_data;
 
+	spin_lock_bh(&sl->lock);
 	/* First make sure we're connected. */
-	if (!sl || sl->magic != SLCAN_MAGIC || !netif_running(sl->dev))
+	if (!sl->tty || sl->magic != SLCAN_MAGIC || !netif_running(sl->dev)) {
+		spin_unlock_bh(&sl->lock);
 		return;
+	}
 
-	spin_lock_bh(&sl->lock);
 	if (sl->xleft <= 0)  {
 		/* Now serial buffer is almost free & we can start
 		 * transmission of another packet */
 		sl->dev->stats.tx_packets++;
-		clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
+		clear_bit(TTY_DO_WRITE_WAKEUP, &sl->tty->flags);
 		spin_unlock_bh(&sl->lock);
 		netif_wake_queue(sl->dev);
 		return;
 	}
 
-	actual = tty->ops->write(tty, sl->xhead, sl->xleft);
+	actual = sl->tty->ops->write(sl->tty, sl->xhead, sl->xleft);
 	sl->xleft -= actual;
 	sl->xhead += actual;
 	spin_unlock_bh(&sl->lock);
 }
 
+/*
+ * Called by the driver when there's room for more data.
+ * Schedule the transmit.
+ */
+static void slcan_write_wakeup(struct tty_struct *tty)
+{
+	struct slcan *sl = tty->disc_data;
+
+	schedule_work(&sl->tx_work);
+}
+
 /* Send a can_frame to a TTY queue. */
 static netdev_tx_t slc_xmit(struct sk_buff *skb, struct net_device *dev)
 {
@@ -528,6 +540,7 @@ static struct slcan *slc_alloc(dev_t line)
 	sl->magic = SLCAN_MAGIC;
 	sl->dev	= dev;
 	spin_lock_init(&sl->lock);
+	INIT_WORK(&sl->tx_work, slcan_transmit);
 	slcan_devs[i] = dev;
 
 	return sl;
@@ -626,8 +639,12 @@ static void slcan_close(struct tty_struct *tty)
 	if (!sl || sl->magic != SLCAN_MAGIC || sl->tty != tty)
 		return;
 
+	spin_lock_bh(&sl->lock);
 	tty->disc_data = NULL;
 	sl->tty = NULL;
+	spin_unlock_bh(&sl->lock);
+
+	flush_work(&sl->tx_work);
 
 	/* Flush network side */
 	unregister_netdev(sl->dev);
diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c
index 28460676b8c..d81e7167a8b 100644
--- a/drivers/net/ethernet/allwinner/sun4i-emac.c
+++ b/drivers/net/ethernet/allwinner/sun4i-emac.c
@@ -736,6 +736,7 @@ static int emac_open(struct net_device *dev)
 
 	ret = emac_mdio_probe(dev);
 	if (ret < 0) {
+		free_irq(dev->irq, dev);
 		netdev_err(dev, "cannot probe MDIO bus\n");
 		return ret;
 	}
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index df2792d8383..8afa579e7c4 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -3224,7 +3224,7 @@ static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
 	return 0;
 }
 
-#define NVRAM_CMD_TIMEOUT 100
+#define NVRAM_CMD_TIMEOUT 5000
 
 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
 {
@@ -3232,7 +3232,7 @@ static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
 
 	tw32(NVRAM_CMD, nvram_cmd);
 	for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
-		udelay(10);
+		usleep_range(10, 40);
 		if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
 			udelay(10);
 			break;
@@ -7854,8 +7854,8 @@ static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
 		netif_wake_queue(tp->dev);
 	}
 
-	segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
-	if (IS_ERR(segs))
+	segs = skb_gso_segment(skb, tp->dev->features & ~(NETIF_F_TSO | NETIF_F_TSO6));
+	if (IS_ERR(segs) || !segs)
 		goto tg3_tso_bug_end;
 
 	do {
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 2f8d6b91038..a83271cf17c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -4057,22 +4057,19 @@ int cxgb4_unregister_uld(enum cxgb4_uld type)
 EXPORT_SYMBOL(cxgb4_unregister_uld);
 
 /* Check if netdev on which event is occured belongs to us or not. Return
- * suceess (1) if it belongs otherwise failure (0).
+ * success (true) if it belongs otherwise failure (false).
+ * Called with rcu_read_lock() held.
  */
-static int cxgb4_netdev(struct net_device *netdev)
+static bool cxgb4_netdev(const struct net_device *netdev)
 {
 	struct adapter *adap;
 	int i;
 
-	spin_lock(&adap_rcu_lock);
 	list_for_each_entry_rcu(adap, &adap_rcu_list, rcu_node)
 		for (i = 0; i < MAX_NPORTS; i++)
-			if (adap->port[i] == netdev) {
-				spin_unlock(&adap_rcu_lock);
-				return 1;
-			}
-	spin_unlock(&adap_rcu_lock);
-	return 0;
+			if (adap->port[i] == netdev)
+				return true;
+	return false;
 }
 
 static int clip_add(struct net_device *event_dev, struct inet6_ifaddr *ifa,
@@ -6396,6 +6393,7 @@ static void remove_one(struct pci_dev *pdev)
 			adapter->flags &= ~DEV_ENABLED;
 		}
 		pci_release_regions(pdev);
+		synchronize_rcu();
 		kfree(adapter);
 	} else
 		pci_release_regions(pdev);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index bba67681aea..931478e7bd2 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -3962,6 +3962,7 @@ int t4_port_init(struct adapter *adap, int mbox, int pf, int vf)
 		p->lport = j;
 		p->rss_size = rss_size;
 		memcpy(adap->port[i]->dev_addr, addr, ETH_ALEN);
+		adap->port[i]->dev_port = j;
 
 		ret = ntohl(c.u.info.lstatus_to_modtype);
 		p->mdio_addr = (ret & FW_PORT_CMD_MDIOCAP) ?
diff --git a/drivers/net/ethernet/dec/tulip/timer.c b/drivers/net/ethernet/dec/tulip/timer.c
index 768379b8aee..523d9dde50a 100644
--- a/drivers/net/ethernet/dec/tulip/timer.c
+++ b/drivers/net/ethernet/dec/tulip/timer.c
@@ -158,7 +158,7 @@ void comet_timer(unsigned long data)
 {
 	struct net_device *dev = (struct net_device *)data;
 	struct tulip_private *tp = netdev_priv(dev);
-	int next_tick = 60*HZ;
+	int next_tick = 2*HZ;
 
 	if (tulip_debug > 1)
 		netdev_dbg(dev, "Comet link status %04x partner capability %04x\n",
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h
index 2e7c5553955..c2f5d2d3b93 100644
--- a/drivers/net/ethernet/emulex/benet/be.h
+++ b/drivers/net/ethernet/emulex/benet/be.h
@@ -557,9 +557,7 @@ static inline u16 be_max_qs(struct be_adapter *adapter)
 #define be_pvid_tagging_enabled(adapter)	(adapter->pvid)
 
 /* Is BE in QNQ multi-channel mode */
-#define be_is_qnq_mode(adapter)		(adapter->mc_type == FLEX10 ||  \
-					 adapter->mc_type == vNIC1 ||	\
-					 adapter->mc_type == UFP)
+#define be_is_qnq_mode(adapter)		(adapter->function_mode & QNQ_MODE)
 
 #define lancer_chip(adapter)	(adapter->pdev->device == OC_DEVICE_ID3 || \
 				 adapter->pdev->device == OC_DEVICE_ID4)
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h
index 3e0a6b24380..59b3c056f32 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.h
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.h
@@ -1091,7 +1091,7 @@ struct be_cmd_resp_modify_eq_delay {
  * based on the skew/IPL.
  */
 #define RDMA_ENABLED				0x4
-#define FLEX10_MODE				0x400
+#define QNQ_MODE				0x400
 #define VNIC_MODE				0x20000
 #define UMC_ENABLED				0x1000000
 struct be_cmd_req_query_fw_cfg {
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 6822b3d76d8..34a26e42f19 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -3254,9 +3254,9 @@ err:
 
 static u8 be_convert_mc_type(u32 function_mode)
 {
-	if (function_mode & VNIC_MODE && function_mode & FLEX10_MODE)
+	if (function_mode & VNIC_MODE && function_mode & QNQ_MODE)
 		return vNIC1;
-	else if (function_mode & FLEX10_MODE)
+	else if (function_mode & QNQ_MODE)
 		return FLEX10;
 	else if (function_mode & VNIC_MODE)
 		return vNIC2;
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 38d9d276ab8..77037fd377b 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -320,6 +320,11 @@ static void *swap_buffer(void *bufaddr, int len)
 	return bufaddr;
 }
 
+static inline bool is_ipv4_pkt(struct sk_buff *skb)
+{
+	return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
+}
+
 static int
 fec_enet_clear_csum(struct sk_buff *skb, struct net_device *ndev)
 {
@@ -330,7 +335,8 @@ fec_enet_clear_csum(struct sk_buff *skb, struct net_device *ndev)
 	if (unlikely(skb_cow_head(skb, 0)))
 		return -1;
 
-	ip_hdr(skb)->check = 0;
+	if (is_ipv4_pkt(skb))
+		ip_hdr(skb)->check = 0;
 	*(__sum16 *)(skb->head + skb->csum_start + skb->csum_offset) = 0;
 
 	return 0;
diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index 7f81ae66cc8..e912b6887d4 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -4199,6 +4199,13 @@ static struct dmi_system_id skge_32bit_dma_boards[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "P5NSLI")
 		},
 	},
+	{
+		.ident = "FUJITSU SIEMENS A8NE-FM",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTek Computer INC."),
+			DMI_MATCH(DMI_BOARD_NAME, "A8NE-FM")
+		},
+	},
 	{}
 };
 
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 5f42f6d6e4c..82ab427290c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -2439,7 +2439,8 @@ slave_start:
 			    (num_vfs_argc > 1 || probe_vfs_argc > 1)) {
 				mlx4_err(dev,
 					 "Invalid syntax of num_vfs/probe_vfs with IB port - single port VFs syntax is only supported when all ports are configured as ethernet\n");
-				goto err_close;
+				err = -EINVAL;
+				goto err_master_mfunc;
 			}
 			for (i = 0; i < sizeof(nvfs)/sizeof(nvfs[0]); i++) {
 				unsigned j;
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index ff380dac662..b988d16cd34 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1212,7 +1212,12 @@ static int cpsw_ndo_open(struct net_device *ndev)
 	for_each_slave(priv, cpsw_slave_open, priv);
 
 	/* Add default VLAN */
-	cpsw_add_default_vlan(priv);
+	if (!priv->data.dual_emac)
+		cpsw_add_default_vlan(priv);
+	else
+		cpsw_ale_add_vlan(priv->ale, priv->data.default_vlan,
+				  ALE_ALL_PORTS << priv->host_port,
+				  ALE_ALL_PORTS << priv->host_port, 0, 0);
 
 	if (!cpsw_common_res_usage_state(priv)) {
 		/* setup tx dma to fixed prio and zero offset */
diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c
index 14389f841d4..4c70360967c 100644
--- a/drivers/net/ethernet/tile/tilegx.c
+++ b/drivers/net/ethernet/tile/tilegx.c
@@ -2191,7 +2191,6 @@ static void tile_net_setup(struct net_device *dev)
 static void tile_net_dev_init(const char *name, const uint8_t *mac)
 {
 	int ret;
-	int i;
 	struct net_device *dev;
 	struct tile_net_priv *priv;
 
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index c041f63a6d3..4ed38eaecea 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -189,7 +189,7 @@ static int netvsc_destroy_buf(struct netvsc_device *net_device)
 				   "unable to teardown send buffer's gpadl\n");
 			return ret;
 		}
-		net_device->recv_buf_gpadl_handle = 0;
+		net_device->send_buf_gpadl_handle = 0;
 	}
 	if (net_device->send_buf) {
 		/* Free up the receive buffer */
diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index 4517b149ed0..50899416f66 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -1137,6 +1137,8 @@ static int at86rf230_probe(struct spi_device *spi)
 	dev->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AACK;
 
 	irq_type = irq_get_trigger_type(spi->irq);
+	if (!irq_type)
+		irq_type = IRQF_TRIGGER_RISING;
 	if (irq_type & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) {
 		irq_worker = at86rf230_irqwork;
 		irq_handler = at86rf230_isr;
@@ -1168,7 +1170,8 @@ static int at86rf230_probe(struct spi_device *spi)
 	if (rc)
 		goto err_hw_init;
 
-	rc = devm_request_irq(&spi->dev, spi->irq, irq_handler, IRQF_SHARED,
+	rc = devm_request_irq(&spi->dev, spi->irq, irq_handler,
+			      IRQF_SHARED | irq_type,
 			      dev_name(&spi->dev), lp);
 	if (rc)
 		goto err_hw_init;
diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
index 6c622aedbae..fdc1b418fa6 100644
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -16,9 +16,13 @@
 #include <linux/string.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
+#include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
 
 #define AT803X_INTR_ENABLE			0x12
 #define AT803X_INTR_STATUS			0x13
+#define AT803X_SMART_SPEED			0x14
+#define AT803X_LED_CONTROL			0x18
 #define AT803X_WOL_ENABLE			0x01
 #define AT803X_DEVICE_ADDR			0x03
 #define AT803X_LOC_MAC_ADDR_0_15_OFFSET		0x804C
@@ -35,10 +39,52 @@
 #define AT803X_DEBUG_SYSTEM_MODE_CTRL		0x05
 #define AT803X_DEBUG_RGMII_TX_CLK_DLY		BIT(8)
 
+#define ATH8030_PHY_ID 0x004dd076
+#define ATH8031_PHY_ID 0x004dd074
+#define ATH8035_PHY_ID 0x004dd072
+
 MODULE_DESCRIPTION("Atheros 803x PHY driver");
 MODULE_AUTHOR("Matus Ujhelyi");
 MODULE_LICENSE("GPL");
 
+struct at803x_priv {
+	bool phy_reset:1;
+	struct gpio_desc *gpiod_reset;
+};
+
+struct at803x_context {
+	u16 bmcr;
+	u16 advertise;
+	u16 control1000;
+	u16 int_enable;
+	u16 smart_speed;
+	u16 led_control;
+};
+
+/* save relevant PHY registers to private copy */
+static void at803x_context_save(struct phy_device *phydev,
+				struct at803x_context *context)
+{
+	context->bmcr = phy_read(phydev, MII_BMCR);
+	context->advertise = phy_read(phydev, MII_ADVERTISE);
+	context->control1000 = phy_read(phydev, MII_CTRL1000);
+	context->int_enable = phy_read(phydev, AT803X_INTR_ENABLE);
+	context->smart_speed = phy_read(phydev, AT803X_SMART_SPEED);
+	context->led_control = phy_read(phydev, AT803X_LED_CONTROL);
+}
+
+/* restore relevant PHY registers from private copy */
+static void at803x_context_restore(struct phy_device *phydev,
+				   const struct at803x_context *context)
+{
+	phy_write(phydev, MII_BMCR, context->bmcr);
+	phy_write(phydev, MII_ADVERTISE, context->advertise);
+	phy_write(phydev, MII_CTRL1000, context->control1000);
+	phy_write(phydev, AT803X_INTR_ENABLE, context->int_enable);
+	phy_write(phydev, AT803X_SMART_SPEED, context->smart_speed);
+	phy_write(phydev, AT803X_LED_CONTROL, context->led_control);
+}
+
 static int at803x_set_wol(struct phy_device *phydev,
 			  struct ethtool_wolinfo *wol)
 {
@@ -142,6 +188,26 @@ static int at803x_resume(struct phy_device *phydev)
 	return 0;
 }
 
+static int at803x_probe(struct phy_device *phydev)
+{
+	struct device *dev = &phydev->dev;
+	struct at803x_priv *priv;
+
+	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	priv->gpiod_reset = devm_gpiod_get(dev, "reset");
+	if (IS_ERR(priv->gpiod_reset))
+		priv->gpiod_reset = NULL;
+	else
+		gpiod_direction_output(priv->gpiod_reset, 1);
+
+	phydev->priv = priv;
+
+	return 0;
+}
+
 static int at803x_config_init(struct phy_device *phydev)
 {
 	int ret;
@@ -189,58 +255,99 @@ static int at803x_config_intr(struct phy_device *phydev)
 	return err;
 }
 
+static void at803x_link_change_notify(struct phy_device *phydev)
+{
+	struct at803x_priv *priv = phydev->priv;
+
+	/*
+	 * Conduct a hardware reset for AT8030 every time a link loss is
+	 * signalled. This is necessary to circumvent a hardware bug that
+	 * occurs when the cable is unplugged while TX packets are pending
+	 * in the FIFO. In such cases, the FIFO enters an error mode it
+	 * cannot recover from by software.
+	 */
+	if (phydev->drv->phy_id == ATH8030_PHY_ID) {
+		if (phydev->state == PHY_NOLINK) {
+			if (priv->gpiod_reset && !priv->phy_reset) {
+				struct at803x_context context;
+
+				at803x_context_save(phydev, &context);
+
+				gpiod_set_value(priv->gpiod_reset, 0);
+				msleep(1);
+				gpiod_set_value(priv->gpiod_reset, 1);
+				msleep(1);
+
+				at803x_context_restore(phydev, &context);
+
+				dev_dbg(&phydev->dev, "%s(): phy was reset\n",
+					__func__);
+				priv->phy_reset = true;
+			}
+		} else {
+			priv->phy_reset = false;
+		}
+	}
+}
+
 static struct phy_driver at803x_driver[] = {
 {
 	/* ATHEROS 8035 */
-	.phy_id		= 0x004dd072,
-	.name		= "Atheros 8035 ethernet",
-	.phy_id_mask	= 0xffffffef,
-	.config_init	= at803x_config_init,
-	.set_wol	= at803x_set_wol,
-	.get_wol	= at803x_get_wol,
-	.suspend	= at803x_suspend,
-	.resume		= at803x_resume,
-	.features	= PHY_GBIT_FEATURES,
-	.flags		= PHY_HAS_INTERRUPT,
-	.config_aneg	= genphy_config_aneg,
-	.read_status	= genphy_read_status,
-	.driver		= {
+	.phy_id			= ATH8035_PHY_ID,
+	.name			= "Atheros 8035 ethernet",
+	.phy_id_mask		= 0xffffffef,
+	.probe			= at803x_probe,
+	.config_init		= at803x_config_init,
+	.link_change_notify	= at803x_link_change_notify,
+	.set_wol		= at803x_set_wol,
+	.get_wol		= at803x_get_wol,
+	.suspend		= at803x_suspend,
+	.resume			= at803x_resume,
+	.features		= PHY_GBIT_FEATURES,
+	.flags			= PHY_HAS_INTERRUPT,
+	.config_aneg		= genphy_config_aneg,
+	.read_status		= genphy_read_status,
+	.driver			= {
 		.owner = THIS_MODULE,
 	},
 }, {
 	/* ATHEROS 8030 */
-	.phy_id		= 0x004dd076,
-	.name		= "Atheros 8030 ethernet",
-	.phy_id_mask	= 0xffffffef,
-	.config_init	= at803x_config_init,
-	.set_wol	= at803x_set_wol,
-	.get_wol	= at803x_get_wol,
-	.suspend	= at803x_suspend,
-	.resume		= at803x_resume,
-	.features	= PHY_GBIT_FEATURES,
-	.flags		= PHY_HAS_INTERRUPT,
-	.config_aneg	= genphy_config_aneg,
-	.read_status	= genphy_read_status,
-	.driver		= {
+	.phy_id			= ATH8030_PHY_ID,
+	.name			= "Atheros 8030 ethernet",
+	.phy_id_mask		= 0xffffffef,
+	.probe			= at803x_probe,
+	.config_init		= at803x_config_init,
+	.link_change_notify	= at803x_link_change_notify,
+	.set_wol		= at803x_set_wol,
+	.get_wol		= at803x_get_wol,
+	.suspend		= at803x_suspend,
+	.resume			= at803x_resume,
+	.features		= PHY_GBIT_FEATURES,
+	.flags			= PHY_HAS_INTERRUPT,
+	.config_aneg		= genphy_config_aneg,
+	.read_status		= genphy_read_status,
+	.driver			= {
 		.owner = THIS_MODULE,
 	},
 }, {
 	/* ATHEROS 8031 */
-	.phy_id		= 0x004dd074,
-	.name		= "Atheros 8031 ethernet",
-	.phy_id_mask	= 0xffffffef,
-	.config_init	= at803x_config_init,
-	.set_wol	= at803x_set_wol,
-	.get_wol	= at803x_get_wol,
-	.suspend	= at803x_suspend,
-	.resume		= at803x_resume,
-	.features	= PHY_GBIT_FEATURES,
-	.flags		= PHY_HAS_INTERRUPT,
-	.config_aneg	= genphy_config_aneg,
-	.read_status	= genphy_read_status,
-	.ack_interrupt  = &at803x_ack_interrupt,
-	.config_intr    = &at803x_config_intr,
-	.driver		= {
+	.phy_id			= ATH8031_PHY_ID,
+	.name			= "Atheros 8031 ethernet",
+	.phy_id_mask		= 0xffffffef,
+	.probe			= at803x_probe,
+	.config_init		= at803x_config_init,
+	.link_change_notify	= at803x_link_change_notify,
+	.set_wol		= at803x_set_wol,
+	.get_wol		= at803x_get_wol,
+	.suspend		= at803x_suspend,
+	.resume			= at803x_resume,
+	.features		= PHY_GBIT_FEATURES,
+	.flags			= PHY_HAS_INTERRUPT,
+	.config_aneg		= genphy_config_aneg,
+	.read_status		= genphy_read_status,
+	.ack_interrupt		= &at803x_ack_interrupt,
+	.config_intr		= &at803x_config_intr,
+	.driver			= {
 		.owner = THIS_MODULE,
 	},
 } };
@@ -260,9 +367,9 @@ module_init(atheros_init);
 module_exit(atheros_exit);
 
 static struct mdio_device_id __maybe_unused atheros_tbl[] = {
-	{ 0x004dd076, 0xffffffef },
-	{ 0x004dd074, 0xffffffef },
-	{ 0x004dd072, 0xffffffef },
+	{ ATH8030_PHY_ID, 0xffffffef },
+	{ ATH8031_PHY_ID, 0xffffffef },
+	{ ATH8035_PHY_ID, 0xffffffef },
 	{ }
 };
 
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 3bc079a67a3..f7c61812ea4 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -720,6 +720,9 @@ void phy_state_machine(struct work_struct *work)
 
 	mutex_lock(&phydev->lock);
 
+	if (phydev->drv->link_change_notify)
+		phydev->drv->link_change_notify(phydev);
+
 	switch (phydev->state) {
 	case PHY_DOWN:
 	case PHY_STARTING:
diff --git a/drivers/net/slip/slip.c b/drivers/net/slip/slip.c
index ad4a94e9ff5..87526443841 100644
--- a/drivers/net/slip/slip.c
+++ b/drivers/net/slip/slip.c
@@ -83,6 +83,7 @@
 #include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/slab.h>
+#include <linux/workqueue.h>
 #include "slip.h"
 #ifdef CONFIG_INET
 #include <linux/ip.h>
@@ -416,36 +417,46 @@ static void sl_encaps(struct slip *sl, unsigned char *icp, int len)
 #endif
 }
 
-/*
- * Called by the driver when there's room for more data.  If we have
- * more packets to send, we send them here.
- */
-static void slip_write_wakeup(struct tty_struct *tty)
+/* Write out any remaining transmit buffer. Scheduled when tty is writable */
+static void slip_transmit(struct work_struct *work)
 {
+	struct slip *sl = container_of(work, struct slip, tx_work);
 	int actual;
-	struct slip *sl = tty->disc_data;
 
+	spin_lock_bh(&sl->lock);
 	/* First make sure we're connected. */
-	if (!sl || sl->magic != SLIP_MAGIC || !netif_running(sl->dev))
+	if (!sl->tty || sl->magic != SLIP_MAGIC || !netif_running(sl->dev)) {
+		spin_unlock_bh(&sl->lock);
 		return;
+	}
 
-	spin_lock_bh(&sl->lock);
 	if (sl->xleft <= 0)  {
 		/* Now serial buffer is almost free & we can start
 		 * transmission of another packet */
 		sl->dev->stats.tx_packets++;
-		clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
+		clear_bit(TTY_DO_WRITE_WAKEUP, &sl->tty->flags);
 		spin_unlock_bh(&sl->lock);
 		sl_unlock(sl);
 		return;
 	}
 
-	actual = tty->ops->write(tty, sl->xhead, sl->xleft);
+	actual = sl->tty->ops->write(sl->tty, sl->xhead, sl->xleft);
 	sl->xleft -= actual;
 	sl->xhead += actual;
 	spin_unlock_bh(&sl->lock);
 }
 
+/*
+ * Called by the driver when there's room for more data.
+ * Schedule the transmit.
+ */
+static void slip_write_wakeup(struct tty_struct *tty)
+{
+	struct slip *sl = tty->disc_data;
+
+	schedule_work(&sl->tx_work);
+}
+
 static void sl_tx_timeout(struct net_device *dev)
 {
 	struct slip *sl = netdev_priv(dev);
@@ -749,6 +760,7 @@ static struct slip *sl_alloc(dev_t line)
 	sl->magic       = SLIP_MAGIC;
 	sl->dev	      	= dev;
 	spin_lock_init(&sl->lock);
+	INIT_WORK(&sl->tx_work, slip_transmit);
 	sl->mode        = SL_MODE_DEFAULT;
 #ifdef CONFIG_SLIP_SMART
 	/* initialize timer_list struct */
@@ -872,8 +884,12 @@ static void slip_close(struct tty_struct *tty)
 	if (!sl || sl->magic != SLIP_MAGIC || sl->tty != tty)
 		return;
 
+	spin_lock_bh(&sl->lock);
 	tty->disc_data = NULL;
 	sl->tty = NULL;
+	spin_unlock_bh(&sl->lock);
+
+	flush_work(&sl->tx_work);
 
 	/* VSV = very important to remove timers */
 #ifdef CONFIG_SLIP_SMART
diff --git a/drivers/net/slip/slip.h b/drivers/net/slip/slip.h
index 67673cf1266..cf32aadf508 100644
--- a/drivers/net/slip/slip.h
+++ b/drivers/net/slip/slip.h
@@ -53,6 +53,7 @@ struct slip {
   struct tty_struct	*tty;		/* ptr to TTY structure		*/
   struct net_device	*dev;		/* easy for intr handling	*/
   spinlock_t		lock;
+  struct work_struct	tx_work;	/* Flushes transmit buffer	*/
 
 #ifdef SL_INCLUDE_CSLIP
   struct slcompress	*slcomp;	/* for header compression 	*/
diff --git a/drivers/net/usb/huawei_cdc_ncm.c b/drivers/net/usb/huawei_cdc_ncm.c
index f9822bc7542..5d95a13dbe2 100644
--- a/drivers/net/usb/huawei_cdc_ncm.c
+++ b/drivers/net/usb/huawei_cdc_ncm.c
@@ -84,12 +84,13 @@ static int huawei_cdc_ncm_bind(struct usbnet *usbnet_dev,
 	ctx = drvstate->ctx;
 
 	if (usbnet_dev->status)
-		/* CDC-WMC r1.1 requires wMaxCommand to be "at least 256
-		 * decimal (0x100)"
+		/* The wMaxCommand buffer must be big enough to hold
+		 * any message from the modem. Experience has shown
+		 * that some replies are more than 256 bytes long
 		 */
 		subdriver = usb_cdc_wdm_register(ctx->control,
 						 &usbnet_dev->status->desc,
-						 256, /* wMaxCommand */
+						 1024, /* wMaxCommand */
 						 huawei_cdc_ncm_wdm_manage_power);
 	if (IS_ERR(subdriver)) {
 		ret = PTR_ERR(subdriver);
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 97394345e5d..b76f7dcde0d 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -2589,8 +2589,8 @@ vmxnet3_open(struct net_device *netdev)
 	for (i = 0; i < adapter->num_tx_queues; i++)
 		spin_lock_init(&adapter->tx_queue[i].tx_lock);
 
-	err = vmxnet3_create_queues(adapter, VMXNET3_DEF_TX_RING_SIZE,
-				    VMXNET3_DEF_RX_RING_SIZE,
+	err = vmxnet3_create_queues(adapter, adapter->tx_ring_size,
+				    adapter->rx_ring_size,
 				    VMXNET3_DEF_RX_RING_SIZE);
 	if (err)
 		goto queue_err;
@@ -2968,6 +2968,9 @@ vmxnet3_probe_device(struct pci_dev *pdev,
 	adapter->netdev = netdev;
 	adapter->pdev = pdev;
 
+	adapter->tx_ring_size = VMXNET3_DEF_TX_RING_SIZE;
+	adapter->rx_ring_size = VMXNET3_DEF_RX_RING_SIZE;
+
 	spin_lock_init(&adapter->cmd_lock);
 	adapter->adapter_pa = dma_map_single(&adapter->pdev->dev, adapter,
 					     sizeof(struct vmxnet3_adapter),
diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c
index 40c1c7b0d9e..b725fd9e780 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethtool.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c
@@ -449,8 +449,8 @@ vmxnet3_get_ringparam(struct net_device *netdev,
 	param->rx_mini_max_pending = 0;
 	param->rx_jumbo_max_pending = 0;
 
-	param->rx_pending = adapter->rx_queue[0].rx_ring[0].size;
-	param->tx_pending = adapter->tx_queue[0].tx_ring.size;
+	param->rx_pending = adapter->rx_ring_size;
+	param->tx_pending = adapter->tx_ring_size;
 	param->rx_mini_pending = 0;
 	param->rx_jumbo_pending = 0;
 }
@@ -529,9 +529,11 @@ vmxnet3_set_ringparam(struct net_device *netdev,
 			 * size */
 			netdev_err(netdev, "failed to apply new sizes, "
 				   "try the default ones\n");
+			new_rx_ring_size = VMXNET3_DEF_RX_RING_SIZE;
+			new_tx_ring_size = VMXNET3_DEF_TX_RING_SIZE;
 			err = vmxnet3_create_queues(adapter,
-						    VMXNET3_DEF_TX_RING_SIZE,
-						    VMXNET3_DEF_RX_RING_SIZE,
+						    new_tx_ring_size,
+						    new_rx_ring_size,
 						    VMXNET3_DEF_RX_RING_SIZE);
 			if (err) {
 				netdev_err(netdev, "failed to create queues "
@@ -545,6 +547,8 @@ vmxnet3_set_ringparam(struct net_device *netdev,
 			netdev_err(netdev, "failed to re-activate, error %d."
 				   " Closing it\n", err);
 	}
+	adapter->tx_ring_size = new_tx_ring_size;
+	adapter->rx_ring_size = new_rx_ring_size;
 
 out:
 	clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state);
diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h
index 190569d0245..29ee77f2c97 100644
--- a/drivers/net/vmxnet3/vmxnet3_int.h
+++ b/drivers/net/vmxnet3/vmxnet3_int.h
@@ -349,6 +349,11 @@ struct vmxnet3_adapter {
 	u32     link_speed; /* in mbps */
 
 	u64     tx_timeout_count;
+
+	/* Ring sizes */
+	u32 tx_ring_size;
+	u32 rx_ring_size;
+
 	struct work_struct work;
 
 	unsigned long  state;    /* VMXNET3_STATE_BIT_xxx */
diff --git a/drivers/net/wireless/b43/Kconfig b/drivers/net/wireless/b43/Kconfig
index e3f67b8d3f8..40fd9b7b142 100644
--- a/drivers/net/wireless/b43/Kconfig
+++ b/drivers/net/wireless/b43/Kconfig
@@ -36,7 +36,7 @@ config B43_SSB
 choice
 	prompt "Supported bus types"
 	depends on B43
-	default B43_BCMA_AND_SSB
+	default B43_BUSES_BCMA_AND_SSB
 
 config B43_BUSES_BCMA_AND_SSB
 	bool "BCMA and SSB"
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 32538ac5f7e..0d6a0bb1f87 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -5221,6 +5221,7 @@ static int b43_wireless_core_attach(struct b43_wldev *dev)
 	/* We don't support 5 GHz on some PHYs yet */
 	switch (dev->phy.type) {
 	case B43_PHYTYPE_A:
+	case B43_PHYTYPE_G:
 	case B43_PHYTYPE_N:
 	case B43_PHYTYPE_LP:
 	case B43_PHYTYPE_HT:
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index 4f38f19b8e3..6e6ef3fc224 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -811,9 +811,13 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 		break;
 	case B43_PHYTYPE_G:
 		status.band = IEEE80211_BAND_2GHZ;
-		/* chanid is the radio channel cookie value as used
-		 * to tune the radio. */
-		status.freq = chanid + 2400;
+		/* Somewhere between 478.104 and 508.1084 firmware for G-PHY
+		 * has been modified to be compatible with N-PHY and others.
+		 */
+		if (dev->fw.rev >= 508)
+			status.freq = ieee80211_channel_to_frequency(chanid, status.band);
+		else
+			status.freq = chanid + 2400;
 		break;
 	case B43_PHYTYPE_N:
 	case B43_PHYTYPE_LP:
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 574d4b59746..2cc9b6fca49 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -50,7 +50,7 @@ mwifiex_map_pci_memory(struct mwifiex_adapter *adapter, struct sk_buff *skb,
 		return -1;
 	}
 	mapping.len = size;
-	memcpy(skb->cb, &mapping, sizeof(mapping));
+	mwifiex_store_mapping(skb, &mapping);
 	return 0;
 }
 
@@ -60,7 +60,7 @@ static void mwifiex_unmap_pci_memory(struct mwifiex_adapter *adapter,
 	struct pcie_service_card *card = adapter->card;
 	struct mwifiex_dma_mapping mapping;
 
-	MWIFIEX_SKB_PACB(skb, &mapping);
+	mwifiex_get_mapping(skb, &mapping);
 	pci_unmap_single(card->dev, mapping.addr, mapping.len, flags);
 }
 
diff --git a/drivers/net/wireless/mwifiex/util.h b/drivers/net/wireless/mwifiex/util.h
index ddae5702139..caadb3737b9 100644
--- a/drivers/net/wireless/mwifiex/util.h
+++ b/drivers/net/wireless/mwifiex/util.h
@@ -20,32 +20,55 @@
 #ifndef _MWIFIEX_UTIL_H_
 #define _MWIFIEX_UTIL_H_
 
+struct mwifiex_dma_mapping {
+	dma_addr_t addr;
+	size_t len;
+};
+
+struct mwifiex_cb {
+	struct mwifiex_dma_mapping dma_mapping;
+	union {
+		struct mwifiex_rxinfo rx_info;
+		struct mwifiex_txinfo tx_info;
+	};
+};
+
 static inline struct mwifiex_rxinfo *MWIFIEX_SKB_RXCB(struct sk_buff *skb)
 {
-	return (struct mwifiex_rxinfo *)(skb->cb + sizeof(dma_addr_t));
+	struct mwifiex_cb *cb = (struct mwifiex_cb *)skb->cb;
+
+	BUILD_BUG_ON(sizeof(struct mwifiex_cb) > sizeof(skb->cb));
+	return &cb->rx_info;
 }
 
 static inline struct mwifiex_txinfo *MWIFIEX_SKB_TXCB(struct sk_buff *skb)
 {
-	return (struct mwifiex_txinfo *)(skb->cb + sizeof(dma_addr_t));
+	struct mwifiex_cb *cb = (struct mwifiex_cb *)skb->cb;
+
+	return &cb->tx_info;
 }
 
-struct mwifiex_dma_mapping {
-	dma_addr_t addr;
-	size_t len;
-};
+static inline void mwifiex_store_mapping(struct sk_buff *skb,
+					 struct mwifiex_dma_mapping *mapping)
+{
+	struct mwifiex_cb *cb = (struct mwifiex_cb *)skb->cb;
+
+	memcpy(&cb->dma_mapping, mapping, sizeof(*mapping));
+}
 
-static inline void MWIFIEX_SKB_PACB(struct sk_buff *skb,
-					struct mwifiex_dma_mapping *mapping)
+static inline void mwifiex_get_mapping(struct sk_buff *skb,
+				       struct mwifiex_dma_mapping *mapping)
 {
-	memcpy(mapping, skb->cb, sizeof(*mapping));
+	struct mwifiex_cb *cb = (struct mwifiex_cb *)skb->cb;
+
+	memcpy(mapping, &cb->dma_mapping, sizeof(*mapping));
 }
 
 static inline dma_addr_t MWIFIEX_SKB_DMA_ADDR(struct sk_buff *skb)
 {
 	struct mwifiex_dma_mapping mapping;
 
-	MWIFIEX_SKB_PACB(skb, &mapping);
+	mwifiex_get_mapping(skb, &mapping);
 
 	return mapping.addr;
 }
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index 2f1cd929c6f..a511cccc9f0 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -1681,8 +1681,13 @@ static int rt2500pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * Detect if this device has an hardware controlled radio.
 	 */
-	if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
+	if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) {
 		__set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
+		/*
+		 * On this device RFKILL initialized during probe does not work.
+		 */
+		__set_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags);
+	}
 
 	/*
 	 * Check if the BBP tuning should be enabled.
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index a49c3d73ea2..e11dab2216c 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -229,6 +229,27 @@ static enum hrtimer_restart rt2800usb_tx_sta_fifo_timeout(struct hrtimer *timer)
 /*
  * Firmware functions
  */
+static int rt2800usb_autorun_detect(struct rt2x00_dev *rt2x00dev)
+{
+	__le32 reg;
+	u32 fw_mode;
+
+	/* cannot use rt2x00usb_register_read here as it uses different
+	 * mode (MULTI_READ vs. DEVICE_MODE) and does not pass the
+	 * magic value USB_MODE_AUTORUN (0x11) to the device, thus the
+	 * returned value would be invalid.
+	 */
+	rt2x00usb_vendor_request(rt2x00dev, USB_DEVICE_MODE,
+				 USB_VENDOR_REQUEST_IN, 0, USB_MODE_AUTORUN,
+				 &reg, sizeof(reg), REGISTER_TIMEOUT_FIRMWARE);
+	fw_mode = le32_to_cpu(reg);
+
+	if ((fw_mode & 0x00000003) == 2)
+		return 1;
+
+	return 0;
+}
+
 static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
 {
 	return FIRMWARE_RT2870;
@@ -257,8 +278,13 @@ static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
 	/*
 	 * Write firmware to device.
 	 */
-	rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
-				      data + offset, length);
+	if (rt2800usb_autorun_detect(rt2x00dev)) {
+		rt2x00_info(rt2x00dev,
+			    "Firmware loading not required - NIC in AutoRun mode\n");
+	} else {
+		rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
+					      data + offset, length);
+	}
 
 	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
 	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
@@ -735,11 +761,18 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry,
 /*
  * Device probe functions.
  */
+static int rt2800usb_efuse_detect(struct rt2x00_dev *rt2x00dev)
+{
+	if (rt2800usb_autorun_detect(rt2x00dev))
+		return 1;
+	return rt2800_efuse_detect(rt2x00dev);
+}
+
 static int rt2800usb_read_eeprom(struct rt2x00_dev *rt2x00dev)
 {
 	int retval;
 
-	if (rt2800_efuse_detect(rt2x00dev))
+	if (rt2800usb_efuse_detect(rt2x00dev))
 		retval = rt2800_read_eeprom_efuse(rt2x00dev);
 	else
 		retval = rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 010b7650524..d13f25cd70d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -693,6 +693,7 @@ enum rt2x00_capability_flags {
 	REQUIRE_SW_SEQNO,
 	REQUIRE_HT_TX_DESC,
 	REQUIRE_PS_AUTOWAKE,
+	REQUIRE_DELAYED_RFKILL,
 
 	/*
 	 * Capabilities
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 2bde6729f5e..4fa43a2eeb7 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -1126,9 +1126,10 @@ static void rt2x00lib_uninitialize(struct rt2x00_dev *rt2x00dev)
 		return;
 
 	/*
-	 * Unregister extra components.
+	 * Stop rfkill polling.
 	 */
-	rt2x00rfkill_unregister(rt2x00dev);
+	if (test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags))
+		rt2x00rfkill_unregister(rt2x00dev);
 
 	/*
 	 * Allow the HW to uninitialize.
@@ -1166,6 +1167,12 @@ static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev)
 
 	set_bit(DEVICE_STATE_INITIALIZED, &rt2x00dev->flags);
 
+	/*
+	 * Start rfkill polling.
+	 */
+	if (test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags))
+		rt2x00rfkill_register(rt2x00dev);
+
 	return 0;
 }
 
@@ -1375,7 +1382,12 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
 	rt2x00link_register(rt2x00dev);
 	rt2x00leds_register(rt2x00dev);
 	rt2x00debug_register(rt2x00dev);
-	rt2x00rfkill_register(rt2x00dev);
+
+	/*
+	 * Start rfkill polling.
+	 */
+	if (!test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags))
+		rt2x00rfkill_register(rt2x00dev);
 
 	return 0;
 
@@ -1391,6 +1403,12 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
 	clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
 
 	/*
+	 * Stop rfkill polling.
+	 */
+	if (!test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags))
+		rt2x00rfkill_unregister(rt2x00dev);
+
+	/*
 	 * Disable radio.
 	 */
 	rt2x00lib_disable_radio(rt2x00dev);
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 212ac4842c1..004dff9b962 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -487,6 +487,8 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	crypto.cipher = rt2x00crypto_key_to_cipher(key);
 	if (crypto.cipher == CIPHER_NONE)
 		return -EOPNOTSUPP;
+	if (crypto.cipher == CIPHER_TKIP && rt2x00_is_usb(rt2x00dev))
+		return -EOPNOTSUPP;
 
 	crypto.cmd = cmd;
 
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h
index e7bcf62347d..831b65f93fe 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.h
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.h
@@ -93,6 +93,7 @@ enum rt2x00usb_mode_offset {
 	USB_MODE_SLEEP = 7,	/* RT73USB */
 	USB_MODE_FIRMWARE = 8,	/* RT73USB */
 	USB_MODE_WAKEUP = 9,	/* RT73USB */
+	USB_MODE_AUTORUN = 17, /* RT2800USB */
 };
 
 /**
diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h
index 4dd7c4a1923..2532ce85d71 100644
--- a/drivers/net/xen-netback/common.h
+++ b/drivers/net/xen-netback/common.h
@@ -222,6 +222,7 @@ struct xenvif {
 
 	/* Queues */
 	struct xenvif_queue *queues;
+	unsigned int num_queues; /* active queues, resource allocated */
 
 	/* Miscellaneous private stuff. */
 	struct net_device *dev;
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index 852da34b896..9e97c7ca0dd 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -137,32 +137,11 @@ static void xenvif_wake_queue_callback(unsigned long data)
 	}
 }
 
-static u16 xenvif_select_queue(struct net_device *dev, struct sk_buff *skb,
-			       void *accel_priv, select_queue_fallback_t fallback)
-{
-	unsigned int num_queues = dev->real_num_tx_queues;
-	u32 hash;
-	u16 queue_index;
-
-	/* First, check if there is only one queue to optimise the
-	 * single-queue or old frontend scenario.
-	 */
-	if (num_queues == 1) {
-		queue_index = 0;
-	} else {
-		/* Use skb_get_hash to obtain an L4 hash if available */
-		hash = skb_get_hash(skb);
-		queue_index = hash % num_queues;
-	}
-
-	return queue_index;
-}
-
 static int xenvif_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct xenvif *vif = netdev_priv(dev);
 	struct xenvif_queue *queue = NULL;
-	unsigned int num_queues = dev->real_num_tx_queues;
+	unsigned int num_queues = vif->num_queues;
 	u16 index;
 	int min_slots_needed;
 
@@ -225,7 +204,7 @@ static struct net_device_stats *xenvif_get_stats(struct net_device *dev)
 {
 	struct xenvif *vif = netdev_priv(dev);
 	struct xenvif_queue *queue = NULL;
-	unsigned int num_queues = dev->real_num_tx_queues;
+	unsigned int num_queues = vif->num_queues;
 	unsigned long rx_bytes = 0;
 	unsigned long rx_packets = 0;
 	unsigned long tx_bytes = 0;
@@ -256,7 +235,7 @@ out:
 static void xenvif_up(struct xenvif *vif)
 {
 	struct xenvif_queue *queue = NULL;
-	unsigned int num_queues = vif->dev->real_num_tx_queues;
+	unsigned int num_queues = vif->num_queues;
 	unsigned int queue_index;
 
 	for (queue_index = 0; queue_index < num_queues; ++queue_index) {
@@ -272,7 +251,7 @@ static void xenvif_up(struct xenvif *vif)
 static void xenvif_down(struct xenvif *vif)
 {
 	struct xenvif_queue *queue = NULL;
-	unsigned int num_queues = vif->dev->real_num_tx_queues;
+	unsigned int num_queues = vif->num_queues;
 	unsigned int queue_index;
 
 	for (queue_index = 0; queue_index < num_queues; ++queue_index) {
@@ -379,7 +358,7 @@ static void xenvif_get_ethtool_stats(struct net_device *dev,
 				     struct ethtool_stats *stats, u64 * data)
 {
 	struct xenvif *vif = netdev_priv(dev);
-	unsigned int num_queues = dev->real_num_tx_queues;
+	unsigned int num_queues = vif->num_queues;
 	int i;
 	unsigned int queue_index;
 	struct xenvif_stats *vif_stats;
@@ -424,7 +403,6 @@ static const struct net_device_ops xenvif_netdev_ops = {
 	.ndo_fix_features = xenvif_fix_features,
 	.ndo_set_mac_address = eth_mac_addr,
 	.ndo_validate_addr   = eth_validate_addr,
-	.ndo_select_queue = xenvif_select_queue,
 };
 
 struct xenvif *xenvif_alloc(struct device *parent, domid_t domid,
@@ -438,7 +416,7 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid,
 	snprintf(name, IFNAMSIZ - 1, "vif%u.%u", domid, handle);
 	/* Allocate a netdev with the max. supported number of queues.
 	 * When the guest selects the desired number, it will be updated
-	 * via netif_set_real_num_tx_queues().
+	 * via netif_set_real_num_*_queues().
 	 */
 	dev = alloc_netdev_mq(sizeof(struct xenvif), name, ether_setup,
 			      xenvif_max_queues);
@@ -458,11 +436,9 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid,
 	vif->dev = dev;
 	vif->disabled = false;
 
-	/* Start out with no queues. The call below does not require
-	 * rtnl_lock() as it happens before register_netdev().
-	 */
+	/* Start out with no queues. */
 	vif->queues = NULL;
-	netif_set_real_num_tx_queues(dev, 0);
+	vif->num_queues = 0;
 
 	dev->netdev_ops	= &xenvif_netdev_ops;
 	dev->hw_features = NETIF_F_SG |
@@ -677,7 +653,7 @@ static void xenvif_wait_unmap_timeout(struct xenvif_queue *queue,
 void xenvif_disconnect(struct xenvif *vif)
 {
 	struct xenvif_queue *queue = NULL;
-	unsigned int num_queues = vif->dev->real_num_tx_queues;
+	unsigned int num_queues = vif->num_queues;
 	unsigned int queue_index;
 
 	if (netif_carrier_ok(vif->dev))
@@ -724,7 +700,7 @@ void xenvif_deinit_queue(struct xenvif_queue *queue)
 void xenvif_free(struct xenvif *vif)
 {
 	struct xenvif_queue *queue = NULL;
-	unsigned int num_queues = vif->dev->real_num_tx_queues;
+	unsigned int num_queues = vif->num_queues;
 	unsigned int queue_index;
 	/* Here we want to avoid timeout messages if an skb can be legitimately
 	 * stuck somewhere else. Realistically this could be an another vif's
@@ -748,12 +724,9 @@ void xenvif_free(struct xenvif *vif)
 		xenvif_deinit_queue(queue);
 	}
 
-	/* Free the array of queues. The call below does not require
-	 * rtnl_lock() because it happens after unregister_netdev().
-	 */
-	netif_set_real_num_tx_queues(vif->dev, 0);
 	vfree(vif->queues);
 	vif->queues = NULL;
+	vif->num_queues = 0;
 
 	free_netdev(vif->dev);
 
diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
index 96c63dc2509..3d85acd84ba 100644
--- a/drivers/net/xen-netback/xenbus.c
+++ b/drivers/net/xen-netback/xenbus.c
@@ -527,9 +527,7 @@ static void connect(struct backend_info *be)
 	/* Use the number of queues requested by the frontend */
 	be->vif->queues = vzalloc(requested_num_queues *
 				  sizeof(struct xenvif_queue));
-	rtnl_lock();
-	netif_set_real_num_tx_queues(be->vif->dev, requested_num_queues);
-	rtnl_unlock();
+	be->vif->num_queues = requested_num_queues;
 
 	for (queue_index = 0; queue_index < requested_num_queues; ++queue_index) {
 		queue = &be->vif->queues[queue_index];
@@ -546,9 +544,7 @@ static void connect(struct backend_info *be)
 			 * earlier queues can be destroyed using the regular
 			 * disconnect logic.
 			 */
-			rtnl_lock();
-			netif_set_real_num_tx_queues(be->vif->dev, queue_index);
-			rtnl_unlock();
+			be->vif->num_queues = queue_index;
 			goto err;
 		}
 
@@ -561,13 +557,19 @@ static void connect(struct backend_info *be)
 			 * and also clean up any previously initialised queues.
 			 */
 			xenvif_deinit_queue(queue);
-			rtnl_lock();
-			netif_set_real_num_tx_queues(be->vif->dev, queue_index);
-			rtnl_unlock();
+			be->vif->num_queues = queue_index;
 			goto err;
 		}
 	}
 
+	/* Initialisation completed, tell core driver the number of
+	 * active queues.
+	 */
+	rtnl_lock();
+	netif_set_real_num_tx_queues(be->vif->dev, requested_num_queues);
+	netif_set_real_num_rx_queues(be->vif->dev, requested_num_queues);
+	rtnl_unlock();
+
 	xenvif_carrier_on(be->vif);
 
 	unregister_hotplug_status_watch(be);
@@ -582,13 +584,11 @@ static void connect(struct backend_info *be)
 	return;
 
 err:
-	if (be->vif->dev->real_num_tx_queues > 0)
+	if (be->vif->num_queues > 0)
 		xenvif_disconnect(be->vif); /* Clean up existing queues */
 	vfree(be->vif->queues);
 	be->vif->queues = NULL;
-	rtnl_lock();
-	netif_set_real_num_tx_queues(be->vif->dev, 0);
-	rtnl_unlock();
+	be->vif->num_queues = 0;
 	return;
 }
 
@@ -596,7 +596,7 @@ err:
 static int connect_rings(struct backend_info *be, struct xenvif_queue *queue)
 {
 	struct xenbus_device *dev = be->dev;
-	unsigned int num_queues = queue->vif->dev->real_num_tx_queues;
+	unsigned int num_queues = queue->vif->num_queues;
 	unsigned long tx_ring_ref, rx_ring_ref;
 	unsigned int tx_evtchn, rx_evtchn;
 	int err;
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 5a7872ac356..2ccb4a02368 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1287,7 +1287,7 @@ static irqreturn_t xennet_rx_interrupt(int irq, void *dev_id)
 
 	if (likely(netif_carrier_ok(dev) &&
 		   RING_HAS_UNCONSUMED_RESPONSES(&queue->rx)))
-			napi_schedule(&queue->napi);
+		napi_schedule(&queue->napi);
 
 	return IRQ_HANDLED;
 }
@@ -1437,10 +1437,11 @@ static void xennet_end_access(int ref, void *page)
 static void xennet_disconnect_backend(struct netfront_info *info)
 {
 	unsigned int i = 0;
-	struct netfront_queue *queue = NULL;
 	unsigned int num_queues = info->netdev->real_num_tx_queues;
 
 	for (i = 0; i < num_queues; ++i) {
+		struct netfront_queue *queue = &info->queues[i];
+
 		/* Stop old i/f to prevent errors whilst we rebuild the state. */
 		spin_lock_bh(&queue->rx_lock);
 		spin_lock_irq(&queue->tx_lock);
@@ -1698,8 +1699,6 @@ static int xennet_init_queue(struct netfront_queue *queue)
 		goto exit_free_tx;
 	}
 
-	netif_napi_add(queue->info->netdev, &queue->napi, xennet_poll, 64);
-
 	return 0;
 
  exit_free_tx:
@@ -1790,6 +1789,70 @@ error:
 	return err;
 }
 
+static void xennet_destroy_queues(struct netfront_info *info)
+{
+	unsigned int i;
+
+	rtnl_lock();
+
+	for (i = 0; i < info->netdev->real_num_tx_queues; i++) {
+		struct netfront_queue *queue = &info->queues[i];
+
+		if (netif_running(info->netdev))
+			napi_disable(&queue->napi);
+		netif_napi_del(&queue->napi);
+	}
+
+	rtnl_unlock();
+
+	kfree(info->queues);
+	info->queues = NULL;
+}
+
+static int xennet_create_queues(struct netfront_info *info,
+				unsigned int num_queues)
+{
+	unsigned int i;
+	int ret;
+
+	info->queues = kcalloc(num_queues, sizeof(struct netfront_queue),
+			       GFP_KERNEL);
+	if (!info->queues)
+		return -ENOMEM;
+
+	rtnl_lock();
+
+	for (i = 0; i < num_queues; i++) {
+		struct netfront_queue *queue = &info->queues[i];
+
+		queue->id = i;
+		queue->info = info;
+
+		ret = xennet_init_queue(queue);
+		if (ret < 0) {
+			dev_warn(&info->netdev->dev, "only created %d queues\n",
+				 num_queues);
+			num_queues = i;
+			break;
+		}
+
+		netif_napi_add(queue->info->netdev, &queue->napi,
+			       xennet_poll, 64);
+		if (netif_running(info->netdev))
+			napi_enable(&queue->napi);
+	}
+
+	netif_set_real_num_tx_queues(info->netdev, num_queues);
+
+	rtnl_unlock();
+
+	if (num_queues == 0) {
+		dev_err(&info->netdev->dev, "no queues\n");
+		return -EINVAL;
+	}
+	return 0;
+}
+
 /* Common code used when first setting up, and when resuming. */
 static int talk_to_netback(struct xenbus_device *dev,
 			   struct netfront_info *info)
@@ -1826,42 +1889,20 @@ static int talk_to_netback(struct xenbus_device *dev,
 		goto out;
 	}
 
-	/* Allocate array of queues */
-	info->queues = kcalloc(num_queues, sizeof(struct netfront_queue), GFP_KERNEL);
-	if (!info->queues) {
-		err = -ENOMEM;
-		goto out;
-	}
-	rtnl_lock();
-	netif_set_real_num_tx_queues(info->netdev, num_queues);
-	rtnl_unlock();
+	if (info->queues)
+		xennet_destroy_queues(info);
+
+	err = xennet_create_queues(info, num_queues);
+	if (err < 0)
+		goto destroy_ring;
 
 	/* Create shared ring, alloc event channel -- for each queue */
 	for (i = 0; i < num_queues; ++i) {
 		queue = &info->queues[i];
-		queue->id = i;
-		queue->info = info;
-		err = xennet_init_queue(queue);
-		if (err) {
-			/* xennet_init_queue() cleans up after itself on failure,
-			 * but we still have to clean up any previously initialised
-			 * queues. If i > 0, set num_queues to i, then goto
-			 * destroy_ring, which calls xennet_disconnect_backend()
-			 * to tidy up.
-			 */
-			if (i > 0) {
-				rtnl_lock();
-				netif_set_real_num_tx_queues(info->netdev, i);
-				rtnl_unlock();
-				goto destroy_ring;
-			} else {
-				goto out;
-			}
-		}
 		err = setup_netfront(dev, queue, feature_split_evtchn);
 		if (err) {
-			/* As for xennet_init_queue(), setup_netfront() will tidy
-			 * up the current queue on error, but we need to clean up
+			/* setup_netfront() will tidy up the current
+			 * queue on error, but we need to clean up
 			 * those already allocated.
 			 */
 			if (i > 0) {
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index c4cddf0cd96..b777d8f46bd 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -880,6 +880,21 @@ void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size)
 	const u64 phys_offset = __pa(PAGE_OFFSET);
 	base &= PAGE_MASK;
 	size &= PAGE_MASK;
+
+	if (sizeof(phys_addr_t) < sizeof(u64)) {
+		if (base > ULONG_MAX) {
+			pr_warning("Ignoring memory block 0x%llx - 0x%llx\n",
+					base, base + size);
+			return;
+		}
+
+		if (base + size > ULONG_MAX) {
+			pr_warning("Ignoring memory range 0x%lx - 0x%llx\n",
+					ULONG_MAX, base + size);
+			size = ULONG_MAX - base;
+		}
+	}
+
 	if (base + size < phys_offset) {
 		pr_warning("Ignoring memory block 0x%llx - 0x%llx\n",
 			   base, base + size);
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index fb4a5983064..a3bf2122a8d 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -323,11 +323,13 @@ int of_phy_register_fixed_link(struct device_node *np)
 	fixed_link_node = of_get_child_by_name(np, "fixed-link");
 	if (fixed_link_node) {
 		status.link = 1;
-		status.duplex = of_property_read_bool(np, "full-duplex");
+		status.duplex = of_property_read_bool(fixed_link_node,
+						      "full-duplex");
 		if (of_property_read_u32(fixed_link_node, "speed", &status.speed))
 			return -EINVAL;
-		status.pause = of_property_read_bool(np, "pause");
-		status.asym_pause = of_property_read_bool(np, "asym-pause");
+		status.pause = of_property_read_bool(fixed_link_node, "pause");
+		status.asym_pause = of_property_read_bool(fixed_link_node,
+							  "asym-pause");
 		of_node_put(fixed_link_node);
 		return fixed_phy_register(PHY_POLL, &status, np);
 	}
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 63a54a34086..1c8592b0e14 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3135,8 +3135,13 @@ static int pci_af_flr(struct pci_dev *dev, int probe)
 	if (probe)
 		return 0;
 
-	/* Wait for Transaction Pending bit clean */
-	if (pci_wait_for_pending(dev, pos + PCI_AF_STATUS, PCI_AF_STATUS_TP))
+	/*
+	 * Wait for Transaction Pending bit to clear.  A word-aligned test
+	 * is used, so we use the conrol offset rather than status and shift
+	 * the test bit to match.
+	 */
+	if (pci_wait_for_pending(dev, pos + PCI_AF_CTRL,
+				 PCI_AF_STATUS_TP << 8))
 		goto clear;
 
 	dev_err(&dev->dev, "transaction is not cleared; proceeding with reset anyway\n");
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index 16a2f067c24..64b98d242ea 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -112,6 +112,7 @@ config PHY_EXYNOS5250_SATA
 config PHY_SUN4I_USB
 	tristate "Allwinner sunxi SoC USB PHY driver"
 	depends on ARCH_SUNXI && HAS_IOMEM && OF
+	depends on RESET_CONTROLLER
 	select GENERIC_PHY
 	help
 	  Enable this to support the transceiver that is part of Allwinner
@@ -122,6 +123,7 @@ config PHY_SUN4I_USB
 
 config PHY_SAMSUNG_USB2
 	tristate "Samsung USB 2.0 PHY driver"
+	depends on HAS_IOMEM
 	select GENERIC_PHY
 	select MFD_SYSCON
 	help
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index c64a2f3b2d6..49c44653010 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -614,8 +614,9 @@ struct phy *phy_create(struct device *dev, const struct phy_ops *ops,
 	return phy;
 
 put_dev:
-	put_device(&phy->dev);
-	ida_remove(&phy_ida, phy->id);
+	put_device(&phy->dev);  /* calls phy_release() which frees resources */
+	return ERR_PTR(ret);
+
 free_phy:
 	kfree(phy);
 	return ERR_PTR(ret);
@@ -799,7 +800,7 @@ static void phy_release(struct device *dev)
 
 	phy = to_phy(dev);
 	dev_vdbg(dev, "releasing '%s'\n", dev_name(dev));
-	ida_remove(&phy_ida, phy->id);
+	ida_simple_remove(&phy_ida, phy->id);
 	kfree(phy);
 }
 
diff --git a/drivers/phy/phy-omap-usb2.c b/drivers/phy/phy-omap-usb2.c
index 7007c11fe07..34b396146c8 100644
--- a/drivers/phy/phy-omap-usb2.c
+++ b/drivers/phy/phy-omap-usb2.c
@@ -233,8 +233,8 @@ static int omap_usb2_probe(struct platform_device *pdev)
 	if (phy_data->flags & OMAP_USB2_CALIBRATE_FALSE_DISCONNECT) {
 		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 		phy->phy_base = devm_ioremap_resource(&pdev->dev, res);
-		if (!phy->phy_base)
-			return -ENOMEM;
+		if (IS_ERR(phy->phy_base))
+			return PTR_ERR(phy->phy_base);
 		phy->flags |= OMAP_USB2_CALIBRATE_FALSE_DISCONNECT;
 	}
 
@@ -262,7 +262,6 @@ static int omap_usb2_probe(struct platform_device *pdev)
 	otg->phy		= &phy->phy;
 
 	platform_set_drvdata(pdev, phy);
-	pm_runtime_enable(phy->dev);
 
 	generic_phy = devm_phy_create(phy->dev, &ops, NULL);
 	if (IS_ERR(generic_phy))
@@ -270,10 +269,13 @@ static int omap_usb2_probe(struct platform_device *pdev)
 
 	phy_set_drvdata(generic_phy, phy);
 
+	pm_runtime_enable(phy->dev);
 	phy_provider = devm_of_phy_provider_register(phy->dev,
 			of_phy_simple_xlate);
-	if (IS_ERR(phy_provider))
+	if (IS_ERR(phy_provider)) {
+		pm_runtime_disable(phy->dev);
 		return PTR_ERR(phy_provider);
+	}
 
 	phy->wkupclk = devm_clk_get(phy->dev, "wkupclk");
 	if (IS_ERR(phy->wkupclk)) {
@@ -317,6 +319,7 @@ static int omap_usb2_remove(struct platform_device *pdev)
 	if (!IS_ERR(phy->optclk))
 		clk_unprepare(phy->optclk);
 	usb_remove_phy(&phy->phy);
+	pm_runtime_disable(phy->dev);
 
 	return 0;
 }
diff --git a/drivers/phy/phy-samsung-usb2.c b/drivers/phy/phy-samsung-usb2.c
index 8a8c6bc8709..1e69a32c221 100644
--- a/drivers/phy/phy-samsung-usb2.c
+++ b/drivers/phy/phy-samsung-usb2.c
@@ -107,6 +107,7 @@ static const struct of_device_id samsung_usb2_phy_of_match[] = {
 #endif
 	{ },
 };
+MODULE_DEVICE_TABLE(of, samsung_usb2_phy_of_match);
 
 static int samsung_usb2_phy_probe(struct platform_device *pdev)
 {
diff --git a/drivers/pinctrl/berlin/berlin.c b/drivers/pinctrl/berlin/berlin.c
index edf5d2fd2b2..86db2235ab0 100644
--- a/drivers/pinctrl/berlin/berlin.c
+++ b/drivers/pinctrl/berlin/berlin.c
@@ -320,7 +320,7 @@ int berlin_pinctrl_probe(struct platform_device *pdev,
 
 	regmap = dev_get_regmap(&pdev->dev, NULL);
 	if (!regmap)
-		return PTR_ERR(regmap);
+		return -ENODEV;
 
 	pctrl = devm_kzalloc(dev, sizeof(*pctrl), GFP_KERNEL);
 	if (!pctrl)
diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
index f1ca75e6d7b..5f38c7f6783 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
@@ -211,6 +211,10 @@ static int sunxi_pctrl_dt_node_to_map(struct pinctrl_dev *pctldev,
 			configlen++;
 
 		pinconfig = kzalloc(configlen * sizeof(*pinconfig), GFP_KERNEL);
+		if (!pinconfig) {
+			kfree(*map);
+			return -ENOMEM;
+		}
 
 		if (!of_property_read_u32(node, "allwinner,drive", &val)) {
 			u16 strength = (val + 1) * 10;
diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig
index 6aea373547f..ee3de3421f2 100644
--- a/drivers/ptp/Kconfig
+++ b/drivers/ptp/Kconfig
@@ -74,7 +74,7 @@ config DP83640_PHY
 
 config PTP_1588_CLOCK_PCH
 	tristate "Intel PCH EG20T as PTP clock"
-	depends on X86 || COMPILE_TEST
+	depends on X86_32 || COMPILE_TEST
 	depends on HAS_IOMEM && NET
 	select PTP_1588_CLOCK
 	help
diff --git a/drivers/regulator/bcm590xx-regulator.c b/drivers/regulator/bcm590xx-regulator.c
index 57544e254a7..58ece59367a 100644
--- a/drivers/regulator/bcm590xx-regulator.c
+++ b/drivers/regulator/bcm590xx-regulator.c
@@ -119,6 +119,10 @@ static const unsigned int ldo_c_table[] = {
 	2900000, 3000000, 3300000,
 };
 
+static const unsigned int ldo_vbus[] = {
+	5000000,
+};
+
 /* DCDC group CSR: supported voltages in microvolts */
 static const struct regulator_linear_range dcdc_csr_ranges[] = {
 	REGULATOR_LINEAR_RANGE(860000, 2, 50, 10000),
@@ -192,6 +196,7 @@ static struct bcm590xx_info bcm590xx_regs[] = {
 	BCM590XX_REG_TABLE(gpldo4, ldo_a_table),
 	BCM590XX_REG_TABLE(gpldo5, ldo_a_table),
 	BCM590XX_REG_TABLE(gpldo6, ldo_a_table),
+	BCM590XX_REG_TABLE(vbus, ldo_vbus),
 };
 
 struct bcm590xx_reg {
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index b982f0ff4e0..93b4ad84290 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -325,6 +325,10 @@ static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
 	if (rail_enable)
 		palmas_smps_write(pmic->palmas,
 			palmas_regs_info[id].ctrl_addr, reg);
+
+	/* Switch the enable value to ensure this is used for enable */
+	pmic->desc[id].enable_val = pmic->current_reg_mode[id];
+
 	return 0;
 }
 
@@ -964,6 +968,14 @@ static int palmas_regulators_probe(struct platform_device *pdev)
 				return ret;
 			pmic->current_reg_mode[id] = reg &
 					PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
+
+			pmic->desc[id].enable_reg =
+					PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
+						palmas_regs_info[id].ctrl_addr);
+			pmic->desc[id].enable_mask =
+					PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
+			/* set_mode overrides this value */
+			pmic->desc[id].enable_val = SMPS_CTRL_MODE_ON;
 		}
 
 		pmic->desc[id].type = REGULATOR_VOLTAGE;
diff --git a/drivers/regulator/tps65218-regulator.c b/drivers/regulator/tps65218-regulator.c
index 69b4b775041..9effe48c605 100644
--- a/drivers/regulator/tps65218-regulator.c
+++ b/drivers/regulator/tps65218-regulator.c
@@ -209,7 +209,7 @@ static const struct regulator_desc regulators[] = {
 			   1, -1, -1, TPS65218_REG_ENABLE1,
 			   TPS65218_ENABLE1_DC6_EN, NULL, NULL, 0, 0),
 	TPS65218_REGULATOR("LDO1", TPS65218_LDO_1, tps65218_ldo1_dcdc34_ops, 64,
-			   TPS65218_REG_CONTROL_DCDC4,
+			   TPS65218_REG_CONTROL_LDO1,
 			   TPS65218_CONTROL_LDO1_MASK, TPS65218_REG_ENABLE2,
 			   TPS65218_ENABLE2_LDO1_EN, NULL, ldo1_dcdc3_ranges,
 			   2, 0),
@@ -240,6 +240,7 @@ static int tps65218_regulator_probe(struct platform_device *pdev)
 	config.init_data = init_data;
 	config.driver_data = tps;
 	config.regmap = tps->regmap;
+	config.of_node = pdev->dev.of_node;
 
 	rdev = devm_regulator_register(&pdev->dev, &regulators[id], &config);
 	if (IS_ERR(rdev)) {
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 55434902962..56467df3d6d 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -4198,6 +4198,8 @@ static int hba_setup_cid_tbls(struct beiscsi_hba *phba)
 		kfree(phba->ep_array);
 		phba->ep_array = NULL;
 		ret = -ENOMEM;
+
+		goto free_memory;
 	}
 
 	for (i = 0; i < phba->params.cxns_per_ctrl; i++) {
diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
index 6045aa78986..07934b0b9ee 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.c
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -1008,10 +1008,8 @@ int mgmt_set_ip(struct beiscsi_hba *phba,
 		BE2_IPV6 : BE2_IPV4 ;
 
 	rc = mgmt_get_if_info(phba, ip_type, &if_info);
-	if (rc) {
-		kfree(if_info);
+	if (rc)
 		return rc;
-	}
 
 	if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
 		if (if_info->dhcp_state) {
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index f5484302346..785d0d71781 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -516,23 +516,17 @@ static void bnx2fc_recv_frame(struct sk_buff *skb)
 	skb_pull(skb, sizeof(struct fcoe_hdr));
 	fr_len = skb->len - sizeof(struct fcoe_crc_eof);
 
-	stats = per_cpu_ptr(lport->stats, get_cpu());
-	stats->RxFrames++;
-	stats->RxWords += fr_len / FCOE_WORD_TO_BYTE;
-
 	fp = (struct fc_frame *)skb;
 	fc_frame_init(fp);
 	fr_dev(fp) = lport;
 	fr_sof(fp) = hp->fcoe_sof;
 	if (skb_copy_bits(skb, fr_len, &crc_eof, sizeof(crc_eof))) {
-		put_cpu();
 		kfree_skb(skb);
 		return;
 	}
 	fr_eof(fp) = crc_eof.fcoe_eof;
 	fr_crc(fp) = crc_eof.fcoe_crc32;
 	if (pskb_trim(skb, fr_len)) {
-		put_cpu();
 		kfree_skb(skb);
 		return;
 	}
@@ -544,7 +538,6 @@ static void bnx2fc_recv_frame(struct sk_buff *skb)
 		port = lport_priv(vn_port);
 		if (!ether_addr_equal(port->data_src_addr, dest_mac)) {
 			BNX2FC_HBA_DBG(lport, "fpma mismatch\n");
-			put_cpu();
 			kfree_skb(skb);
 			return;
 		}
@@ -552,7 +545,6 @@ static void bnx2fc_recv_frame(struct sk_buff *skb)
 	if (fh->fh_r_ctl == FC_RCTL_DD_SOL_DATA &&
 	    fh->fh_type == FC_TYPE_FCP) {
 		/* Drop FCP data. We dont this in L2 path */
-		put_cpu();
 		kfree_skb(skb);
 		return;
 	}
@@ -562,7 +554,6 @@ static void bnx2fc_recv_frame(struct sk_buff *skb)
 		case ELS_LOGO:
 			if (ntoh24(fh->fh_s_id) == FC_FID_FLOGI) {
 				/* drop non-FIP LOGO */
-				put_cpu();
 				kfree_skb(skb);
 				return;
 			}
@@ -572,22 +563,23 @@ static void bnx2fc_recv_frame(struct sk_buff *skb)
 
 	if (fh->fh_r_ctl == FC_RCTL_BA_ABTS) {
 		/* Drop incoming ABTS */
-		put_cpu();
 		kfree_skb(skb);
 		return;
 	}
 
+	stats = per_cpu_ptr(lport->stats, smp_processor_id());
+	stats->RxFrames++;
+	stats->RxWords += fr_len / FCOE_WORD_TO_BYTE;
+
 	if (le32_to_cpu(fr_crc(fp)) !=
 			~crc32(~0, skb->data, fr_len)) {
 		if (stats->InvalidCRCCount < 5)
 			printk(KERN_WARNING PFX "dropping frame with "
 			       "CRC error\n");
 		stats->InvalidCRCCount++;
-		put_cpu();
 		kfree_skb(skb);
 		return;
 	}
-	put_cpu();
 	fc_exch_recv(lport, fp);
 }
 
diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c
index 32a5e0a2a66..7bc47fc7c68 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_io.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_io.c
@@ -282,6 +282,8 @@ struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba)
 				       arr_sz, GFP_KERNEL);
 	if (!cmgr->free_list_lock) {
 		printk(KERN_ERR PFX "failed to alloc free_list_lock\n");
+		kfree(cmgr->free_list);
+		cmgr->free_list = NULL;
 		goto mem_err;
 	}
 
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 2ebfb2bb0f4..7b23f21f22f 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -185,6 +185,11 @@ static struct viosrp_crq *crq_queue_next_crq(struct crq_queue *queue)
 	if (crq->valid & 0x80) {
 		if (++queue->cur == queue->size)
 			queue->cur = 0;
+
+		/* Ensure the read of the valid bit occurs before reading any
+		 * other bits of the CRQ entry
+		 */
+		rmb();
 	} else
 		crq = NULL;
 	spin_unlock_irqrestore(&queue->lock, flags);
@@ -203,6 +208,11 @@ static int ibmvscsi_send_crq(struct ibmvscsi_host_data *hostdata,
 {
 	struct vio_dev *vdev = to_vio_dev(hostdata->dev);
 
+	/*
+	 * Ensure the command buffer is flushed to memory before handing it
+	 * over to the VIOS to prevent it from fetching any stale data.
+	 */
+	mb();
 	return plpar_hcall_norets(H_SEND_CRQ, vdev->unit_address, word1, word2);
 }
 
@@ -797,7 +807,8 @@ static void purge_requests(struct ibmvscsi_host_data *hostdata, int error_code)
 				       evt->hostdata->dev);
 			if (evt->cmnd_done)
 				evt->cmnd_done(evt->cmnd);
-		} else if (evt->done)
+		} else if (evt->done && evt->crq.format != VIOSRP_MAD_FORMAT &&
+			   evt->iu.srp.login_req.opcode != SRP_LOGIN_REQ)
 			evt->done(evt);
 		free_event_struct(&evt->hostdata->pool, evt);
 		spin_lock_irqsave(hostdata->host->host_lock, flags);
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index c4f31b21feb..e90c89f1d48 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -677,7 +677,7 @@ static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha)
  * pm8001_get_phy_settings_info : Read phy setting values.
  * @pm8001_ha : our hba.
  */
-void pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha)
+static int pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha)
 {
 
 #ifdef PM8001_READ_VPD
@@ -691,11 +691,15 @@ void pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha)
 	payload.offset = 0;
 	payload.length = 4096;
 	payload.func_specific = kzalloc(4096, GFP_KERNEL);
+	if (!payload.func_specific)
+		return -ENOMEM;
 	/* Read phy setting values from flash */
 	PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload);
 	wait_for_completion(&completion);
 	pm8001_set_phy_profile(pm8001_ha, sizeof(u8), payload.func_specific);
+	kfree(payload.func_specific);
 #endif
+	return 0;
 }
 
 #ifdef PM8001_USE_MSIX
@@ -879,8 +883,11 @@ static int pm8001_pci_probe(struct pci_dev *pdev,
 	pm8001_init_sas_add(pm8001_ha);
 	/* phy setting support for motherboard controller */
 	if (pdev->subsystem_vendor != PCI_VENDOR_ID_ADAPTEC2 &&
-		pdev->subsystem_vendor != 0)
-		pm8001_get_phy_settings_info(pm8001_ha);
+		pdev->subsystem_vendor != 0) {
+		rc = pm8001_get_phy_settings_info(pm8001_ha);
+		if (rc)
+			goto err_out_shost;
+	}
 	pm8001_post_sas_ha_init(shost, chip);
 	rc = sas_register_ha(SHOST_TO_SAS_HA(shost));
 	if (rc)
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 4b188b0164e..e632e14180c 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -1128,7 +1128,7 @@ static void qlt_24xx_retry_term_exchange(struct scsi_qla_host *vha,
 	ctio->u.status1.flags =
 	    __constant_cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_1 |
 		CTIO7_FLAGS_TERMINATE);
-	ctio->u.status1.ox_id = entry->fcp_hdr_le.ox_id;
+	ctio->u.status1.ox_id = cpu_to_le16(entry->fcp_hdr_le.ox_id);
 
 	qla2x00_start_iocbs(vha, vha->req);
 
@@ -1262,6 +1262,7 @@ static void qlt_24xx_send_task_mgmt_ctio(struct scsi_qla_host *ha,
 {
 	struct atio_from_isp *atio = &mcmd->orig_iocb.atio;
 	struct ctio7_to_24xx *ctio;
+	uint16_t temp;
 
 	ql_dbg(ql_dbg_tgt, ha, 0xe008,
 	    "Sending task mgmt CTIO7 (ha=%p, atio=%p, resp_code=%x\n",
@@ -1292,7 +1293,8 @@ static void qlt_24xx_send_task_mgmt_ctio(struct scsi_qla_host *ha,
 	ctio->u.status1.flags = (atio->u.isp24.attr << 9) |
 	    __constant_cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_1 |
 		CTIO7_FLAGS_SEND_STATUS);
-	ctio->u.status1.ox_id = swab16(atio->u.isp24.fcp_hdr.ox_id);
+	temp = be16_to_cpu(atio->u.isp24.fcp_hdr.ox_id);
+	ctio->u.status1.ox_id = cpu_to_le16(temp);
 	ctio->u.status1.scsi_status =
 	    __constant_cpu_to_le16(SS_RESPONSE_INFO_LEN_VALID);
 	ctio->u.status1.response_len = __constant_cpu_to_le16(8);
@@ -1513,6 +1515,7 @@ static int qlt_24xx_build_ctio_pkt(struct qla_tgt_prm *prm,
 	struct ctio7_to_24xx *pkt;
 	struct qla_hw_data *ha = vha->hw;
 	struct atio_from_isp *atio = &prm->cmd->atio;
+	uint16_t temp;
 
 	pkt = (struct ctio7_to_24xx *)vha->req->ring_ptr;
 	prm->pkt = pkt;
@@ -1541,13 +1544,13 @@ static int qlt_24xx_build_ctio_pkt(struct qla_tgt_prm *prm,
 	pkt->initiator_id[2] = atio->u.isp24.fcp_hdr.s_id[0];
 	pkt->exchange_addr = atio->u.isp24.exchange_addr;
 	pkt->u.status0.flags |= (atio->u.isp24.attr << 9);
-	pkt->u.status0.ox_id = swab16(atio->u.isp24.fcp_hdr.ox_id);
+	temp = be16_to_cpu(atio->u.isp24.fcp_hdr.ox_id);
+	pkt->u.status0.ox_id = cpu_to_le16(temp);
 	pkt->u.status0.relative_offset = cpu_to_le32(prm->cmd->offset);
 
 	ql_dbg(ql_dbg_tgt, vha, 0xe00c,
 	    "qla_target(%d): handle(cmd) -> %08x, timeout %d, ox_id %#x\n",
-	    vha->vp_idx, pkt->handle, QLA_TGT_TIMEOUT,
-	    le16_to_cpu(pkt->u.status0.ox_id));
+	    vha->vp_idx, pkt->handle, QLA_TGT_TIMEOUT, temp);
 	return 0;
 }
 
@@ -2619,6 +2622,7 @@ static int __qlt_send_term_exchange(struct scsi_qla_host *vha,
 	struct qla_hw_data *ha = vha->hw;
 	request_t *pkt;
 	int ret = 0;
+	uint16_t temp;
 
 	ql_dbg(ql_dbg_tgt, vha, 0xe01c, "Sending TERM EXCH CTIO (ha=%p)\n", ha);
 
@@ -2655,7 +2659,8 @@ static int __qlt_send_term_exchange(struct scsi_qla_host *vha,
 	ctio24->u.status1.flags = (atio->u.isp24.attr << 9) |
 	    __constant_cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_1 |
 		CTIO7_FLAGS_TERMINATE);
-	ctio24->u.status1.ox_id = swab16(atio->u.isp24.fcp_hdr.ox_id);
+	temp = be16_to_cpu(atio->u.isp24.fcp_hdr.ox_id);
+	ctio24->u.status1.ox_id = cpu_to_le16(temp);
 
 	/* Most likely, it isn't needed */
 	ctio24->u.status1.residual = get_unaligned((uint32_t *)
diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h
index e0a58fd13f6..d1d24fb0160 100644
--- a/drivers/scsi/qla2xxx/qla_target.h
+++ b/drivers/scsi/qla2xxx/qla_target.h
@@ -443,7 +443,7 @@ struct ctio7_to_24xx {
 			uint16_t reserved1;
 			__le16 flags;
 			uint32_t residual;
-			uint16_t ox_id;
+			__le16 ox_id;
 			uint16_t scsi_status;
 			uint32_t relative_offset;
 			uint32_t reserved2;
@@ -458,7 +458,7 @@ struct ctio7_to_24xx {
 			uint16_t sense_length;
 			uint16_t flags;
 			uint32_t residual;
-			uint16_t ox_id;
+			__le16 ox_id;
 			uint16_t scsi_status;
 			uint16_t response_len;
 			uint16_t reserved;
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index cbe38e5e795..7e957918f33 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -131,7 +131,7 @@ scmd_eh_abort_handler(struct work_struct *work)
 				    "aborting command %p\n", scmd));
 		rtn = scsi_try_to_abort_cmd(sdev->host->hostt, scmd);
 		if (rtn == SUCCESS) {
-			scmd->result |= DID_TIME_OUT << 16;
+			set_host_byte(scmd, DID_TIME_OUT);
 			if (scsi_host_eh_past_deadline(sdev->host)) {
 				SCSI_LOG_ERROR_RECOVERY(3,
 					scmd_printk(KERN_INFO, scmd,
@@ -167,7 +167,7 @@ scmd_eh_abort_handler(struct work_struct *work)
 			scmd_printk(KERN_WARNING, scmd,
 				    "scmd %p terminate "
 				    "aborted command\n", scmd));
-		scmd->result |= DID_TIME_OUT << 16;
+		set_host_byte(scmd, DID_TIME_OUT);
 		scsi_finish_command(scmd);
 	}
 }
@@ -287,15 +287,15 @@ enum blk_eh_timer_return scsi_times_out(struct request *req)
 	else if (host->hostt->eh_timed_out)
 		rtn = host->hostt->eh_timed_out(scmd);
 
-	if (rtn == BLK_EH_NOT_HANDLED && !host->hostt->no_async_abort)
-		if (scsi_abort_command(scmd) == SUCCESS)
+	if (rtn == BLK_EH_NOT_HANDLED) {
+		if (!host->hostt->no_async_abort &&
+		    scsi_abort_command(scmd) == SUCCESS)
 			return BLK_EH_NOT_HANDLED;
 
-	scmd->result |= DID_TIME_OUT << 16;
-
-	if (unlikely(rtn == BLK_EH_NOT_HANDLED &&
-		     !scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD)))
-		rtn = BLK_EH_HANDLED;
+		set_host_byte(scmd, DID_TIME_OUT);
+		if (!scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD))
+			rtn = BLK_EH_HANDLED;
+	}
 
 	return rtn;
 }
@@ -1777,7 +1777,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd)
 		break;
 	case DID_ABORT:
 		if (scmd->eh_eflags & SCSI_EH_ABORT_SCHEDULED) {
-			scmd->result |= DID_TIME_OUT << 16;
+			set_host_byte(scmd, DID_TIME_OUT);
 			return SUCCESS;
 		}
 	case DID_NO_CONNECT:
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index f80908f74ca..521f5838594 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -2549,6 +2549,7 @@ fc_rport_final_delete(struct work_struct *work)
 			fc_flush_devloss(shost);
 		if (!cancel_delayed_work(&rport->dev_loss_work))
 			fc_flush_devloss(shost);
+		cancel_work_sync(&rport->scan_work);
 		spin_lock_irqsave(shost->host_lock, flags);
 		rport->flags &= ~FC_RPORT_DEVLOSS_PENDING;
 	}
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index e9689d57ccb..6825eda1114 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2441,7 +2441,10 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer)
 		}
 
 		sdkp->DPOFUA = (data.device_specific & 0x10) != 0;
-		if (sdkp->DPOFUA && !sdkp->device->use_10_for_rw) {
+		if (sdp->broken_fua) {
+			sd_first_printk(KERN_NOTICE, sdkp, "Disabling FUA\n");
+			sdkp->DPOFUA = 0;
+		} else if (sdkp->DPOFUA && !sdkp->device->use_10_for_rw) {
 			sd_first_printk(KERN_NOTICE, sdkp,
 				  "Uses READ/WRITE(6), disabling FUA\n");
 			sdkp->DPOFUA = 0;
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 89ee5929eb6..308256b5e4c 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -237,6 +237,16 @@ static void virtscsi_req_done(struct virtqueue *vq)
 	virtscsi_vq_done(vscsi, req_vq, virtscsi_complete_cmd);
 };
 
+static void virtscsi_poll_requests(struct virtio_scsi *vscsi)
+{
+	int i, num_vqs;
+
+	num_vqs = vscsi->num_queues;
+	for (i = 0; i < num_vqs; i++)
+		virtscsi_vq_done(vscsi, &vscsi->req_vqs[i],
+				 virtscsi_complete_cmd);
+}
+
 static void virtscsi_complete_free(struct virtio_scsi *vscsi, void *buf)
 {
 	struct virtio_scsi_cmd *cmd = buf;
@@ -253,6 +263,8 @@ static void virtscsi_ctrl_done(struct virtqueue *vq)
 	virtscsi_vq_done(vscsi, &vscsi->ctrl_vq, virtscsi_complete_free);
 };
 
+static void virtscsi_handle_event(struct work_struct *work);
+
 static int virtscsi_kick_event(struct virtio_scsi *vscsi,
 			       struct virtio_scsi_event_node *event_node)
 {
@@ -260,6 +272,7 @@ static int virtscsi_kick_event(struct virtio_scsi *vscsi,
 	struct scatterlist sg;
 	unsigned long flags;
 
+	INIT_WORK(&event_node->work, virtscsi_handle_event);
 	sg_init_one(&sg, &event_node->event, sizeof(struct virtio_scsi_event));
 
 	spin_lock_irqsave(&vscsi->event_vq.vq_lock, flags);
@@ -377,7 +390,6 @@ static void virtscsi_complete_event(struct virtio_scsi *vscsi, void *buf)
 {
 	struct virtio_scsi_event_node *event_node = buf;
 
-	INIT_WORK(&event_node->work, virtscsi_handle_event);
 	schedule_work(&event_node->work);
 }
 
@@ -589,6 +601,18 @@ static int virtscsi_tmf(struct virtio_scsi *vscsi, struct virtio_scsi_cmd *cmd)
 	    cmd->resp.tmf.response == VIRTIO_SCSI_S_FUNCTION_SUCCEEDED)
 		ret = SUCCESS;
 
+	/*
+	 * The spec guarantees that all requests related to the TMF have
+	 * been completed, but the callback might not have run yet if
+	 * we're using independent interrupts (e.g. MSI).  Poll the
+	 * virtqueues once.
+	 *
+	 * In the abort case, sc->scsi_done will do nothing, because
+	 * the block layer must have detected a timeout and as a result
+	 * REQ_ATOM_COMPLETE has been set.
+	 */
+	virtscsi_poll_requests(vscsi);
+
 out:
 	mempool_free(cmd, virtscsi_cmd_pool);
 	return ret;
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index a98df7eeb42..fe792106bdc 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -118,6 +118,7 @@ static void lpss_ssp_setup(struct driver_data *drv_data)
 	 */
 	orig = readl(drv_data->ioaddr + offset + SPI_CS_CONTROL);
 
+	/* Test SPI_CS_CONTROL_SW_MODE bit enabling */
 	value = orig | SPI_CS_CONTROL_SW_MODE;
 	writel(value, drv_data->ioaddr + offset + SPI_CS_CONTROL);
 	value = readl(drv_data->ioaddr + offset + SPI_CS_CONTROL);
@@ -126,10 +127,13 @@ static void lpss_ssp_setup(struct driver_data *drv_data)
 		goto detection_done;
 	}
 
-	value &= ~SPI_CS_CONTROL_SW_MODE;
+	orig = readl(drv_data->ioaddr + offset + SPI_CS_CONTROL);
+
+	/* Test SPI_CS_CONTROL_SW_MODE bit disabling */
+	value = orig & ~SPI_CS_CONTROL_SW_MODE;
 	writel(value, drv_data->ioaddr + offset + SPI_CS_CONTROL);
 	value = readl(drv_data->ioaddr + offset + SPI_CS_CONTROL);
-	if (value != orig) {
+	if (value != (orig & ~SPI_CS_CONTROL_SW_MODE)) {
 		offset = 0x800;
 		goto detection_done;
 	}
diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
index fc1de86d3c8..c08da380cb2 100644
--- a/drivers/spi/spi-qup.c
+++ b/drivers/spi/spi-qup.c
@@ -424,31 +424,6 @@ static int spi_qup_io_config(struct spi_device *spi, struct spi_transfer *xfer)
 	return 0;
 }
 
-static void spi_qup_set_cs(struct spi_device *spi, bool enable)
-{
-	struct spi_qup *controller = spi_master_get_devdata(spi->master);
-
-	u32 iocontol, mask;
-
-	iocontol = readl_relaxed(controller->base + SPI_IO_CONTROL);
-
-	/* Disable auto CS toggle and use manual */
-	iocontol &= ~SPI_IO_C_MX_CS_MODE;
-	iocontol |= SPI_IO_C_FORCE_CS;
-
-	iocontol &= ~SPI_IO_C_CS_SELECT_MASK;
-	iocontol |= SPI_IO_C_CS_SELECT(spi->chip_select);
-
-	mask = SPI_IO_C_CS_N_POLARITY_0 << spi->chip_select;
-
-	if (enable)
-		iocontol |= mask;
-	else
-		iocontol &= ~mask;
-
-	writel_relaxed(iocontol, controller->base + SPI_IO_CONTROL);
-}
-
 static int spi_qup_transfer_one(struct spi_master *master,
 			      struct spi_device *spi,
 			      struct spi_transfer *xfer)
@@ -571,12 +546,16 @@ static int spi_qup_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
+	/* use num-cs unless not present or out of range */
+	if (of_property_read_u16(dev->of_node, "num-cs",
+			&master->num_chipselect) ||
+			(master->num_chipselect > SPI_NUM_CHIPSELECTS))
+		master->num_chipselect = SPI_NUM_CHIPSELECTS;
+
 	master->bus_num = pdev->id;
 	master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LOOP;
-	master->num_chipselect = SPI_NUM_CHIPSELECTS;
 	master->bits_per_word_mask = SPI_BPW_RANGE_MASK(4, 32);
 	master->max_speed_hz = max_freq;
-	master->set_cs = spi_qup_set_cs;
 	master->transfer_one = spi_qup_transfer_one;
 	master->dev.of_node = pdev->dev.of_node;
 	master->auto_runtime_pm = true;
@@ -640,16 +619,19 @@ static int spi_qup_probe(struct platform_device *pdev)
 	if (ret)
 		goto error;
 
-	ret = devm_spi_register_master(dev, master);
-	if (ret)
-		goto error;
-
 	pm_runtime_set_autosuspend_delay(dev, MSEC_PER_SEC);
 	pm_runtime_use_autosuspend(dev);
 	pm_runtime_set_active(dev);
 	pm_runtime_enable(dev);
+
+	ret = devm_spi_register_master(dev, master);
+	if (ret)
+		goto disable_pm;
+
 	return 0;
 
+disable_pm:
+	pm_runtime_disable(&pdev->dev);
 error:
 	clk_disable_unprepare(cclk);
 	clk_disable_unprepare(iclk);
diff --git a/drivers/spi/spi-sh-sci.c b/drivers/spi/spi-sh-sci.c
index 1f56ef651d1..b83dd733684 100644
--- a/drivers/spi/spi-sh-sci.c
+++ b/drivers/spi/spi-sh-sci.c
@@ -175,9 +175,9 @@ static int sh_sci_spi_remove(struct platform_device *dev)
 {
 	struct sh_sci_spi *sp = platform_get_drvdata(dev);
 
-	iounmap(sp->membase);
-	setbits(sp, PIN_INIT, 0);
 	spi_bitbang_stop(&sp->bitbang);
+	setbits(sp, PIN_INIT, 0);
+	iounmap(sp->membase);
 	spi_master_put(sp->bitbang.master);
 	return 0;
 }
diff --git a/drivers/staging/iio/adc/ad7291.c b/drivers/staging/iio/adc/ad7291.c
index 357cef2a6f4..7194bd13876 100644
--- a/drivers/staging/iio/adc/ad7291.c
+++ b/drivers/staging/iio/adc/ad7291.c
@@ -465,7 +465,7 @@ static int ad7291_probe(struct i2c_client *client,
 	struct ad7291_platform_data *pdata = client->dev.platform_data;
 	struct ad7291_chip_info *chip;
 	struct iio_dev *indio_dev;
-	int ret = 0;
+	int ret;
 
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip));
 	if (!indio_dev)
@@ -475,7 +475,7 @@ static int ad7291_probe(struct i2c_client *client,
 	if (pdata && pdata->use_external_ref) {
 		chip->reg = devm_regulator_get(&client->dev, "vref");
 		if (IS_ERR(chip->reg))
-			return ret;
+			return PTR_ERR(chip->reg);
 
 		ret = regulator_enable(chip->reg);
 		if (ret)
diff --git a/drivers/staging/tidspbridge/core/tiomap3430.c b/drivers/staging/tidspbridge/core/tiomap3430.c
index 8945b4e3a2a..cb50120ed7b 100644
--- a/drivers/staging/tidspbridge/core/tiomap3430.c
+++ b/drivers/staging/tidspbridge/core/tiomap3430.c
@@ -280,8 +280,10 @@ static int bridge_brd_monitor(struct bridge_dev_context *dev_ctxt)
 					OMAP3430_IVA2_MOD, OMAP2_CM_CLKSTCTRL);
 
 		/* Wait until the state has moved to ON */
-		while (*pdata->dsp_prm_read(OMAP3430_IVA2_MOD, OMAP2_PM_PWSTST)&
-					OMAP_INTRANSITION_MASK);
+		while ((*pdata->dsp_prm_read)(OMAP3430_IVA2_MOD,
+					      OMAP2_PM_PWSTST) &
+						OMAP_INTRANSITION_MASK)
+			;
 		/* Disable Automatic transition */
 		(*pdata->dsp_cm_write)(OMAP34XX_CLKSTCTRL_DISABLE_AUTO,
 					OMAP3430_IVA2_MOD, OMAP2_CM_CLKSTCTRL);
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 5663f4d19d0..1f4c794f5fc 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -1309,7 +1309,7 @@ iscsit_check_dataout_hdr(struct iscsi_conn *conn, unsigned char *buf,
 	if (cmd->data_direction != DMA_TO_DEVICE) {
 		pr_err("Command ITT: 0x%08x received DataOUT for a"
 			" NON-WRITE command.\n", cmd->init_task_tag);
-		return iscsit_reject_cmd(cmd, ISCSI_REASON_PROTOCOL_ERROR, buf);
+		return iscsit_dump_data_payload(conn, payload_length, 1);
 	}
 	se_cmd = &cmd->se_cmd;
 	iscsit_mod_dataout_timer(cmd);
diff --git a/drivers/target/iscsi/iscsi_target_auth.c b/drivers/target/iscsi/iscsi_target_auth.c
index 19b842c3e0b..ab4915c0d93 100644
--- a/drivers/target/iscsi/iscsi_target_auth.c
+++ b/drivers/target/iscsi/iscsi_target_auth.c
@@ -174,7 +174,6 @@ static int chap_server_compute_md5(
 	char *nr_out_ptr,
 	unsigned int *nr_out_len)
 {
-	char *endptr;
 	unsigned long id;
 	unsigned char id_as_uchar;
 	unsigned char digest[MD5_SIGNATURE_SIZE];
@@ -320,9 +319,14 @@ static int chap_server_compute_md5(
 	}
 
 	if (type == HEX)
-		id = simple_strtoul(&identifier[2], &endptr, 0);
+		ret = kstrtoul(&identifier[2], 0, &id);
 	else
-		id = simple_strtoul(identifier, &endptr, 0);
+		ret = kstrtoul(identifier, 0, &id);
+
+	if (ret < 0) {
+		pr_err("kstrtoul() failed for CHAP identifier: %d\n", ret);
+		goto out;
+	}
 	if (id > 255) {
 		pr_err("chap identifier: %lu greater than 255\n", id);
 		goto out;
@@ -351,6 +355,10 @@ static int chap_server_compute_md5(
 		pr_err("Unable to convert incoming challenge\n");
 		goto out;
 	}
+	if (challenge_len > 1024) {
+		pr_err("CHAP_C exceeds maximum binary size of 1024 bytes\n");
+		goto out;
+	}
 	/*
 	 * During mutual authentication, the CHAP_C generated by the
 	 * initiator must not match the original CHAP_C generated by
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index fecb69535a1..5e71ac60941 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -1216,7 +1216,7 @@ old_sess_out:
 static int __iscsi_target_login_thread(struct iscsi_np *np)
 {
 	u8 *buffer, zero_tsih = 0;
-	int ret = 0, rc, stop;
+	int ret = 0, rc;
 	struct iscsi_conn *conn = NULL;
 	struct iscsi_login *login;
 	struct iscsi_portal_group *tpg = NULL;
@@ -1230,6 +1230,9 @@ static int __iscsi_target_login_thread(struct iscsi_np *np)
 	if (np->np_thread_state == ISCSI_NP_THREAD_RESET) {
 		np->np_thread_state = ISCSI_NP_THREAD_ACTIVE;
 		complete(&np->np_restart_comp);
+	} else if (np->np_thread_state == ISCSI_NP_THREAD_SHUTDOWN) {
+		spin_unlock_bh(&np->np_thread_lock);
+		goto exit;
 	} else {
 		np->np_thread_state = ISCSI_NP_THREAD_ACTIVE;
 	}
@@ -1422,10 +1425,8 @@ old_sess_out:
 	}
 
 out:
-	stop = kthread_should_stop();
-	/* Wait for another socket.. */
-	if (!stop)
-		return 1;
+	return 1;
+
 exit:
 	iscsi_stop_login_thread_timer(np);
 	spin_lock_bh(&np->np_thread_lock);
@@ -1442,7 +1443,7 @@ int iscsi_target_login_thread(void *arg)
 
 	allow_signal(SIGINT);
 
-	while (!kthread_should_stop()) {
+	while (1) {
 		ret = __iscsi_target_login_thread(np);
 		/*
 		 * We break and exit here unless another sock_accept() call
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index 53e157cb8c5..fd90b28f1d9 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -1295,6 +1295,8 @@ int iscsit_tx_login_rsp(struct iscsi_conn *conn, u8 status_class, u8 status_deta
 	login->login_failed = 1;
 	iscsit_collect_login_stats(conn, status_class, status_detail);
 
+	memset(&login->rsp[0], 0, ISCSI_HDR_LEN);
+
 	hdr	= (struct iscsi_login_rsp *)&login->rsp[0];
 	hdr->opcode		= ISCSI_OP_LOGIN_RSP;
 	hdr->status_class	= status_class;
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 6d2f37578b2..8c64b8776a9 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -239,6 +239,7 @@ static void tcm_loop_submission_work(struct work_struct *work)
 	return;
 
 out_done:
+	kmem_cache_free(tcm_loop_cmd_cache, tl_cmd);
 	sc->scsi_done(sc);
 	return;
 }
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 11d26fe65bf..98da9016715 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -616,6 +616,7 @@ void core_dev_unexport(
 	dev->export_count--;
 	spin_unlock(&hba->device_lock);
 
+	lun->lun_sep = NULL;
 	lun->lun_se_dev = NULL;
 }
 
diff --git a/drivers/tc/tc.c b/drivers/tc/tc.c
index a8aaf6ac2ae..946562389ca 100644
--- a/drivers/tc/tc.c
+++ b/drivers/tc/tc.c
@@ -129,7 +129,10 @@ static void __init tc_bus_add_devices(struct tc_bus *tbus)
 
 		tc_device_get_irq(tdev);
 
-		device_register(&tdev->dev);
+		if (device_register(&tdev->dev)) {
+			put_device(&tdev->dev);
+			goto out_err;
+		}
 		list_add_tail(&tdev->node, &tbus->devices);
 
 out_err:
@@ -148,7 +151,10 @@ static int __init tc_init(void)
 
 	INIT_LIST_HEAD(&tc_bus.devices);
 	dev_set_name(&tc_bus.dev, "tc");
-	device_register(&tc_bus.dev);
+	if (device_register(&tc_bus.dev)) {
+		put_device(&tc_bus.dev);
+		return 0;
+	}
 
 	if (tc_bus.info.slot_size) {
 		unsigned int tc_clock = tc_get_speed(&tc_bus) / 100000;
diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c
index a99c63152b8..2c516f2eebe 100644
--- a/drivers/thermal/imx_thermal.c
+++ b/drivers/thermal/imx_thermal.c
@@ -306,7 +306,7 @@ static int imx_get_sensor_data(struct platform_device *pdev)
 {
 	struct imx_thermal_data *data = platform_get_drvdata(pdev);
 	struct regmap *map;
-	int t1, t2, n1, n2;
+	int t1, n1;
 	int ret;
 	u32 val;
 	u64 temp64;
@@ -333,14 +333,10 @@ static int imx_get_sensor_data(struct platform_device *pdev)
 	/*
 	 * Sensor data layout:
 	 *   [31:20] - sensor value @ 25C
-	 *    [19:8] - sensor value of hot
-	 *     [7:0] - hot temperature value
 	 * Use universal formula now and only need sensor value @ 25C
 	 * slope = 0.4297157 - (0.0015976 * 25C fuse)
 	 */
 	n1 = val >> 20;
-	n2 = (val & 0xfff00) >> 8;
-	t2 = val & 0xff;
 	t1 = 25; /* t1 always 25C */
 
 	/*
@@ -366,16 +362,16 @@ static int imx_get_sensor_data(struct platform_device *pdev)
 	data->c2 = n1 * data->c1 + 1000 * t1;
 
 	/*
-	 * Set the default passive cooling trip point to 20 °C below the
-	 * maximum die temperature. Can be changed from userspace.
+	 * Set the default passive cooling trip point,
+	 * can be changed from userspace.
 	 */
-	data->temp_passive = 1000 * (t2 - 20);
+	data->temp_passive = IMX_TEMP_PASSIVE;
 
 	/*
-	 * The maximum die temperature is t2, let's give 5 °C cushion
-	 * for noise and possible temperature rise between measurements.
+	 * The maximum die temperature set to 20 C higher than
+	 * IMX_TEMP_PASSIVE.
 	 */
-	data->temp_critical = 1000 * (t2 - 5);
+	data->temp_critical = 1000 * 20 + data->temp_passive;
 
 	return 0;
 }
diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
index 04b1be7fa01..4b2b999b761 100644
--- a/drivers/thermal/of-thermal.c
+++ b/drivers/thermal/of-thermal.c
@@ -156,8 +156,8 @@ static int of_thermal_bind(struct thermal_zone_device *thermal,
 
 			ret = thermal_zone_bind_cooling_device(thermal,
 						tbp->trip_id, cdev,
-						tbp->min,
-						tbp->max);
+						tbp->max,
+						tbp->min);
 			if (ret)
 				return ret;
 		}
@@ -712,11 +712,12 @@ thermal_of_build_thermal_zone(struct device_node *np)
 	}
 
 	i = 0;
-	for_each_child_of_node(child, gchild)
+	for_each_child_of_node(child, gchild) {
 		ret = thermal_of_populate_bind_params(gchild, &tz->tbps[i++],
 						      tz->trips, tz->ntrips);
 		if (ret)
 			goto free_tbps;
+	}
 
 finish:
 	of_node_put(child);
diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c
index fdb07199d9c..1967bee4f07 100644
--- a/drivers/thermal/thermal_hwmon.c
+++ b/drivers/thermal/thermal_hwmon.c
@@ -140,6 +140,12 @@ thermal_hwmon_lookup_temp(const struct thermal_hwmon_device *hwmon,
 	return NULL;
 }
 
+static bool thermal_zone_crit_temp_valid(struct thermal_zone_device *tz)
+{
+	unsigned long temp;
+	return tz->ops->get_crit_temp && !tz->ops->get_crit_temp(tz, &temp);
+}
+
 int thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
 {
 	struct thermal_hwmon_device *hwmon;
@@ -189,21 +195,18 @@ int thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
 	if (result)
 		goto free_temp_mem;
 
-	if (tz->ops->get_crit_temp) {
-		unsigned long temperature;
-		if (!tz->ops->get_crit_temp(tz, &temperature)) {
-			snprintf(temp->temp_crit.name,
-				 sizeof(temp->temp_crit.name),
+	if (thermal_zone_crit_temp_valid(tz)) {
+		snprintf(temp->temp_crit.name,
+				sizeof(temp->temp_crit.name),
 				"temp%d_crit", hwmon->count);
-			temp->temp_crit.attr.attr.name = temp->temp_crit.name;
-			temp->temp_crit.attr.attr.mode = 0444;
-			temp->temp_crit.attr.show = temp_crit_show;
-			sysfs_attr_init(&temp->temp_crit.attr.attr);
-			result = device_create_file(hwmon->device,
-						    &temp->temp_crit.attr);
-			if (result)
-				goto unregister_input;
-		}
+		temp->temp_crit.attr.attr.name = temp->temp_crit.name;
+		temp->temp_crit.attr.attr.mode = 0444;
+		temp->temp_crit.attr.show = temp_crit_show;
+		sysfs_attr_init(&temp->temp_crit.attr.attr);
+		result = device_create_file(hwmon->device,
+					    &temp->temp_crit.attr);
+		if (result)
+			goto unregister_input;
 	}
 
 	mutex_lock(&thermal_hwmon_list_lock);
@@ -250,7 +253,7 @@ void thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz)
 	}
 
 	device_remove_file(hwmon->device, &temp->temp_input.attr);
-	if (tz->ops->get_crit_temp)
+	if (thermal_zone_crit_temp_valid(tz))
 		device_remove_file(hwmon->device, &temp->temp_crit.attr);
 
 	mutex_lock(&thermal_hwmon_list_lock);
diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.c b/drivers/thermal/ti-soc-thermal/ti-bandgap.c
index a1271b55103..634b6ce0e63 100644
--- a/drivers/thermal/ti-soc-thermal/ti-bandgap.c
+++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.c
@@ -1155,7 +1155,7 @@ static struct ti_bandgap *ti_bandgap_build(struct platform_device *pdev)
 	/* register shadow for context save and restore */
 	bgp->regval = devm_kzalloc(&pdev->dev, sizeof(*bgp->regval) *
 				   bgp->conf->sensor_count, GFP_KERNEL);
-	if (!bgp) {
+	if (!bgp->regval) {
 		dev_err(&pdev->dev, "Unable to allocate mem for driver ref\n");
 		return ERR_PTR(-ENOMEM);
 	}
diff --git a/drivers/tty/serial/arc_uart.c b/drivers/tty/serial/arc_uart.c
index c9f5c9dcc15..008c223eaf2 100644
--- a/drivers/tty/serial/arc_uart.c
+++ b/drivers/tty/serial/arc_uart.c
@@ -177,7 +177,7 @@ static void arc_serial_tx_chars(struct arc_uart_port *uart)
 		uart->port.icount.tx++;
 		uart->port.x_char = 0;
 		sent = 1;
-	} else if (xmit->tail != xmit->head) {	/* TODO: uart_circ_empty */
+	} else if (!uart_circ_empty(xmit)) {
 		ch = xmit->buf[xmit->tail];
 		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
 		uart->port.icount.tx++;
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index e2f93874989..044e86d528a 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -567,6 +567,9 @@ static void imx_start_tx(struct uart_port *port)
 	struct imx_port *sport = (struct imx_port *)port;
 	unsigned long temp;
 
+	if (uart_circ_empty(&port->state->xmit))
+		return;
+
 	if (USE_IRDA(sport)) {
 		/* half duplex in IrDA mode; have to disable receive mode */
 		temp = readl(sport->port.membase + UCR4);
diff --git a/drivers/tty/serial/ip22zilog.c b/drivers/tty/serial/ip22zilog.c
index 1efd4c36ba0..99b7b869786 100644
--- a/drivers/tty/serial/ip22zilog.c
+++ b/drivers/tty/serial/ip22zilog.c
@@ -603,6 +603,8 @@ static void ip22zilog_start_tx(struct uart_port *port)
 	} else {
 		struct circ_buf *xmit = &port->state->xmit;
 
+		if (uart_circ_empty(xmit))
+			return;
 		writeb(xmit->buf[xmit->tail], &channel->data);
 		ZSDELAY();
 		ZS_WSYNC(channel);
diff --git a/drivers/tty/serial/m32r_sio.c b/drivers/tty/serial/m32r_sio.c
index 68f2c53e0b5..5702828fb62 100644
--- a/drivers/tty/serial/m32r_sio.c
+++ b/drivers/tty/serial/m32r_sio.c
@@ -266,9 +266,11 @@ static void m32r_sio_start_tx(struct uart_port *port)
 	if (!(up->ier & UART_IER_THRI)) {
 		up->ier |= UART_IER_THRI;
 		serial_out(up, UART_IER, up->ier);
-		serial_out(up, UART_TX, xmit->buf[xmit->tail]);
-		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
-		up->port.icount.tx++;
+		if (!uart_circ_empty(xmit)) {
+			serial_out(up, UART_TX, xmit->buf[xmit->tail]);
+			xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
+			up->port.icount.tx++;
+		}
 	}
 	while((serial_in(up, UART_LSR) & UART_EMPTY) != UART_EMPTY);
 #else
diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
index c41aca4dfc4..72000a6d5af 100644
--- a/drivers/tty/serial/msm_serial.c
+++ b/drivers/tty/serial/msm_serial.c
@@ -991,7 +991,7 @@ static const struct of_device_id msm_uartdm_table[] = {
 	{ }
 };
 
-static int __init msm_serial_probe(struct platform_device *pdev)
+static int msm_serial_probe(struct platform_device *pdev)
 {
 	struct msm_port *msm_port;
 	struct resource *resource;
diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
index 8193635103e..f7ad5b90305 100644
--- a/drivers/tty/serial/pmac_zilog.c
+++ b/drivers/tty/serial/pmac_zilog.c
@@ -653,6 +653,8 @@ static void pmz_start_tx(struct uart_port *port)
 	} else {
 		struct circ_buf *xmit = &port->state->xmit;
 
+		if (uart_circ_empty(xmit))
+			goto out;
 		write_zsdata(uap, xmit->buf[xmit->tail]);
 		zssync(uap);
 		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
@@ -661,6 +663,7 @@ static void pmz_start_tx(struct uart_port *port)
 		if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
 			uart_write_wakeup(&uap->port);
 	}
+ out:
 	pmz_debug("pmz: start_tx() done.\n");
 }
 
diff --git a/drivers/tty/serial/sunsab.c b/drivers/tty/serial/sunsab.c
index 80a58eca785..2f57df9a71d 100644
--- a/drivers/tty/serial/sunsab.c
+++ b/drivers/tty/serial/sunsab.c
@@ -427,6 +427,9 @@ static void sunsab_start_tx(struct uart_port *port)
 	struct circ_buf *xmit = &up->port.state->xmit;
 	int i;
 
+	if (uart_circ_empty(xmit))
+		return;
+
 	up->interrupt_mask1 &= ~(SAB82532_IMR1_ALLS|SAB82532_IMR1_XPR);
 	writeb(up->interrupt_mask1, &up->regs->w.imr1);
 	
diff --git a/drivers/tty/serial/sunzilog.c b/drivers/tty/serial/sunzilog.c
index a85db8b8715..02df3940b95 100644
--- a/drivers/tty/serial/sunzilog.c
+++ b/drivers/tty/serial/sunzilog.c
@@ -703,6 +703,8 @@ static void sunzilog_start_tx(struct uart_port *port)
 	} else {
 		struct circ_buf *xmit = &port->state->xmit;
 
+		if (uart_circ_empty(xmit))
+			return;
 		writeb(xmit->buf[xmit->tail], &channel->data);
 		ZSDELAY();
 		ZS_WSYNC(channel);
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 69425b3cb6b..9d2b673f90e 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1321,6 +1321,7 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req)
 	struct ci_hw_ep  *hwep  = container_of(ep,  struct ci_hw_ep, ep);
 	struct ci_hw_req *hwreq = container_of(req, struct ci_hw_req, req);
 	unsigned long flags;
+	struct td_node *node, *tmpnode;
 
 	if (ep == NULL || req == NULL || hwreq->req.status != -EALREADY ||
 		hwep->ep.desc == NULL || list_empty(&hwreq->queue) ||
@@ -1331,6 +1332,12 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req)
 
 	hw_ep_flush(hwep->ci, hwep->num, hwep->dir);
 
+	list_for_each_entry_safe(node, tmpnode, &hwreq->tds, td) {
+		dma_pool_free(hwep->td_pool, node->ptr, node->dma);
+		list_del(&node->td);
+		kfree(node);
+	}
+
 	/* pop request */
 	list_del_init(&hwreq->queue);
 
diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig
index 8eb996e4f05..261c3b42822 100644
--- a/drivers/usb/dwc3/Kconfig
+++ b/drivers/usb/dwc3/Kconfig
@@ -45,6 +45,7 @@ comment "Platform Glue Driver Support"
 config USB_DWC3_OMAP
 	tristate "Texas Instruments OMAP5 and similar Platforms"
 	depends on EXTCON && (ARCH_OMAP2PLUS || COMPILE_TEST)
+	depends on OF
 	default USB_DWC3
 	help
 	  Some platforms from Texas Instruments like OMAP5, DRA7xxx and
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 4af4c356765..07a736acd0f 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -322,7 +322,7 @@ static int dwc3_omap_remove_core(struct device *dev, void *c)
 {
 	struct platform_device *pdev = to_platform_device(dev);
 
-	platform_device_unregister(pdev);
+	of_device_unregister(pdev);
 
 	return 0;
 }
@@ -599,7 +599,7 @@ static int dwc3_omap_prepare(struct device *dev)
 {
 	struct dwc3_omap	*omap = dev_get_drvdata(dev);
 
-	dwc3_omap_disable_irqs(omap);
+	dwc3_omap_write_irqmisc_set(omap, 0x00);
 
 	return 0;
 }
@@ -607,8 +607,19 @@ static int dwc3_omap_prepare(struct device *dev)
 static void dwc3_omap_complete(struct device *dev)
 {
 	struct dwc3_omap	*omap = dev_get_drvdata(dev);
+	u32			reg;
 
-	dwc3_omap_enable_irqs(omap);
+	reg = (USBOTGSS_IRQMISC_OEVT |
+			USBOTGSS_IRQMISC_DRVVBUS_RISE |
+			USBOTGSS_IRQMISC_CHRGVBUS_RISE |
+			USBOTGSS_IRQMISC_DISCHRGVBUS_RISE |
+			USBOTGSS_IRQMISC_IDPULLUP_RISE |
+			USBOTGSS_IRQMISC_DRVVBUS_FALL |
+			USBOTGSS_IRQMISC_CHRGVBUS_FALL |
+			USBOTGSS_IRQMISC_DISCHRGVBUS_FALL |
+			USBOTGSS_IRQMISC_IDPULLUP_FALL);
+
+	dwc3_omap_write_irqmisc_set(omap, reg);
 }
 
 static int dwc3_omap_suspend(struct device *dev)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 9d64dd02c57..dab7927d100 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -828,10 +828,6 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep,
 			length, last ? " last" : "",
 			chain ? " chain" : "");
 
-	/* Skip the LINK-TRB on ISOC */
-	if (((dep->free_slot & DWC3_TRB_MASK) == DWC3_TRB_NUM - 1) &&
-			usb_endpoint_xfer_isoc(dep->endpoint.desc))
-		dep->free_slot++;
 
 	trb = &dep->trb_pool[dep->free_slot & DWC3_TRB_MASK];
 
@@ -843,6 +839,10 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep,
 	}
 
 	dep->free_slot++;
+	/* Skip the LINK-TRB on ISOC */
+	if (((dep->free_slot & DWC3_TRB_MASK) == DWC3_TRB_NUM - 1) &&
+			usb_endpoint_xfer_isoc(dep->endpoint.desc))
+		dep->free_slot++;
 
 	trb->size = DWC3_TRB_SIZE_LENGTH(length);
 	trb->bpl = lower_32_bits(dma);
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 2ddcd635ca2..97142146eea 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -1145,15 +1145,15 @@ static struct configfs_item_operations interf_item_ops = {
 	.store_attribute	= usb_os_desc_attr_store,
 };
 
-static ssize_t rndis_grp_compatible_id_show(struct usb_os_desc *desc,
-					    char *page)
+static ssize_t interf_grp_compatible_id_show(struct usb_os_desc *desc,
+					     char *page)
 {
 	memcpy(page, desc->ext_compat_id, 8);
 	return 8;
 }
 
-static ssize_t rndis_grp_compatible_id_store(struct usb_os_desc *desc,
-					     const char *page, size_t len)
+static ssize_t interf_grp_compatible_id_store(struct usb_os_desc *desc,
+					      const char *page, size_t len)
 {
 	int l;
 
@@ -1171,20 +1171,20 @@ static ssize_t rndis_grp_compatible_id_store(struct usb_os_desc *desc,
 	return len;
 }
 
-static struct usb_os_desc_attribute rndis_grp_attr_compatible_id =
+static struct usb_os_desc_attribute interf_grp_attr_compatible_id =
 	__CONFIGFS_ATTR(compatible_id, S_IRUGO | S_IWUSR,
-			rndis_grp_compatible_id_show,
-			rndis_grp_compatible_id_store);
+			interf_grp_compatible_id_show,
+			interf_grp_compatible_id_store);
 
-static ssize_t rndis_grp_sub_compatible_id_show(struct usb_os_desc *desc,
-						char *page)
+static ssize_t interf_grp_sub_compatible_id_show(struct usb_os_desc *desc,
+						 char *page)
 {
 	memcpy(page, desc->ext_compat_id + 8, 8);
 	return 8;
 }
 
-static ssize_t rndis_grp_sub_compatible_id_store(struct usb_os_desc *desc,
-						 const char *page, size_t len)
+static ssize_t interf_grp_sub_compatible_id_store(struct usb_os_desc *desc,
+						  const char *page, size_t len)
 {
 	int l;
 
@@ -1202,20 +1202,21 @@ static ssize_t rndis_grp_sub_compatible_id_store(struct usb_os_desc *desc,
 	return len;
 }
 
-static struct usb_os_desc_attribute rndis_grp_attr_sub_compatible_id =
+static struct usb_os_desc_attribute interf_grp_attr_sub_compatible_id =
 	__CONFIGFS_ATTR(sub_compatible_id, S_IRUGO | S_IWUSR,
-			rndis_grp_sub_compatible_id_show,
-			rndis_grp_sub_compatible_id_store);
+			interf_grp_sub_compatible_id_show,
+			interf_grp_sub_compatible_id_store);
 
 static struct configfs_attribute *interf_grp_attrs[] = {
-	&rndis_grp_attr_compatible_id.attr,
-	&rndis_grp_attr_sub_compatible_id.attr,
+	&interf_grp_attr_compatible_id.attr,
+	&interf_grp_attr_sub_compatible_id.attr,
 	NULL
 };
 
 int usb_os_desc_prepare_interf_dir(struct config_group *parent,
 				   int n_interf,
 				   struct usb_os_desc **desc,
+				   char **names,
 				   struct module *owner)
 {
 	struct config_group **f_default_groups, *os_desc_group,
@@ -1257,8 +1258,8 @@ int usb_os_desc_prepare_interf_dir(struct config_group *parent,
 		d = desc[n_interf];
 		d->owner = owner;
 		config_group_init_type_name(&d->group, "", interface_type);
-		config_item_set_name(&d->group.cg_item, "interface.%d",
-				     n_interf);
+		config_item_set_name(&d->group.cg_item, "interface.%s",
+				     names[n_interf]);
 		interface_groups[n_interf] = &d->group;
 	}
 
diff --git a/drivers/usb/gadget/configfs.h b/drivers/usb/gadget/configfs.h
index a14ac792c69..36c468c4f5e 100644
--- a/drivers/usb/gadget/configfs.h
+++ b/drivers/usb/gadget/configfs.h
@@ -8,6 +8,7 @@ void unregister_gadget_item(struct config_item *item);
 int usb_os_desc_prepare_interf_dir(struct config_group *parent,
 				   int n_interf,
 				   struct usb_os_desc **desc,
+				   char **names,
 				   struct module *owner);
 
 static inline struct usb_os_desc *to_usb_os_desc(struct config_item *item)
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index 74202d67f91..8598c27c7d4 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -1483,11 +1483,13 @@ static int functionfs_bind(struct ffs_data *ffs, struct usb_composite_dev *cdev)
 	ffs->ep0req->context = ffs;
 
 	lang = ffs->stringtabs;
-	for (lang = ffs->stringtabs; *lang; ++lang) {
-		struct usb_string *str = (*lang)->strings;
-		int id = first_id;
-		for (; str->s; ++id, ++str)
-			str->id = id;
+	if (lang) {
+		for (; *lang; ++lang) {
+			struct usb_string *str = (*lang)->strings;
+			int id = first_id;
+			for (; str->s; ++id, ++str)
+				str->id = id;
+		}
 	}
 
 	ffs->gadget = cdev->gadget;
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index eed3ad87804..9c41e9515b8 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -687,7 +687,7 @@ rndis_bind(struct usb_configuration *c, struct usb_function *f)
 		f->os_desc_table = kzalloc(sizeof(*f->os_desc_table),
 					   GFP_KERNEL);
 		if (!f->os_desc_table)
-			return PTR_ERR(f->os_desc_table);
+			return -ENOMEM;
 		f->os_desc_n = 1;
 		f->os_desc_table[0].os_desc = &rndis_opts->rndis_os_desc;
 	}
@@ -905,6 +905,7 @@ static struct usb_function_instance *rndis_alloc_inst(void)
 {
 	struct f_rndis_opts *opts;
 	struct usb_os_desc *descs[1];
+	char *names[1];
 
 	opts = kzalloc(sizeof(*opts), GFP_KERNEL);
 	if (!opts)
@@ -922,8 +923,9 @@ static struct usb_function_instance *rndis_alloc_inst(void)
 	INIT_LIST_HEAD(&opts->rndis_os_desc.ext_prop);
 
 	descs[0] = &opts->rndis_os_desc;
+	names[0] = "rndis";
 	usb_os_desc_prepare_interf_dir(&opts->func_inst.group, 1, descs,
-				       THIS_MODULE);
+				       names, THIS_MODULE);
 	config_group_init_type_name(&opts->func_inst.group, "",
 				    &rndis_func_type);
 
diff --git a/drivers/usb/gadget/gr_udc.c b/drivers/usb/gadget/gr_udc.c
index 99a37ed03e2..c7004ee89c9 100644
--- a/drivers/usb/gadget/gr_udc.c
+++ b/drivers/usb/gadget/gr_udc.c
@@ -1532,8 +1532,9 @@ static int gr_ep_enable(struct usb_ep *_ep,
 			"%s mode: multiple trans./microframe not valid\n",
 			(mode == 2 ? "Bulk" : "Control"));
 		return -EINVAL;
-	} else if (nt == 0x11) {
-		dev_err(dev->dev, "Invalid value for trans./microframe\n");
+	} else if (nt == 0x3) {
+		dev_err(dev->dev,
+			"Invalid value 0x3 for additional trans./microframe\n");
 		return -EINVAL;
 	} else if ((nt + 1) * max > buffer_size) {
 		dev_err(dev->dev, "Hw buffer size %d < max payload %d * %d\n",
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index ee6c16416c3..2e4ce770490 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1264,8 +1264,13 @@ dev_release (struct inode *inode, struct file *fd)
 
 	kfree (dev->buf);
 	dev->buf = NULL;
-	put_dev (dev);
 
+	/* other endpoints were all decoupled from this device */
+	spin_lock_irq(&dev->lock);
+	dev->state = STATE_DEV_DISABLED;
+	spin_unlock_irq(&dev->lock);
+
+	put_dev (dev);
 	return 0;
 }
 
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index 3d78a8844e4..97b027724ee 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -1120,7 +1120,10 @@ void gether_disconnect(struct gether *link)
 
 	DBG(dev, "%s\n", __func__);
 
+	netif_tx_lock(dev->net);
 	netif_stop_queue(dev->net);
+	netif_tx_unlock(dev->net);
+
 	netif_carrier_off(dev->net);
 
 	/* disable endpoints, forcing (synchronous) completion
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 61b7817bd66..03314f861be 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -176,7 +176,7 @@ config USB_EHCI_HCD_AT91
 
 config USB_EHCI_MSM
 	tristate "Support for Qualcomm QSD/MSM on-chip EHCI USB controller"
-	depends on ARCH_MSM
+	depends on ARCH_MSM || ARCH_QCOM
 	select USB_EHCI_ROOT_HUB_TT
 	---help---
 	  Enables support for the USB Host controller present on the
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 2b998c60faf..aa79e874904 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -22,6 +22,7 @@
 
 
 #include <linux/slab.h>
+#include <linux/device.h>
 #include <asm/unaligned.h>
 
 #include "xhci.h"
@@ -1139,7 +1140,9 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
 		 * including the USB 3.0 roothub, but only if CONFIG_PM_RUNTIME
 		 * is enabled, so also enable remote wake here.
 		 */
-		if (hcd->self.root_hub->do_remote_wakeup) {
+		if (hcd->self.root_hub->do_remote_wakeup
+				&& device_may_wakeup(hcd->self.controller)) {
+
 			if (t1 & PORT_CONNECT) {
 				t2 |= PORT_WKOC_E | PORT_WKDISC_E;
 				t2 &= ~PORT_WKCONN_E;
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index d67ff71209f..749fc68eb5c 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1433,8 +1433,11 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
 		xhci_handle_cmd_reset_ep(xhci, slot_id, cmd_trb, cmd_comp_code);
 		break;
 	case TRB_RESET_DEV:
-		WARN_ON(slot_id != TRB_TO_SLOT_ID(
-				le32_to_cpu(cmd_trb->generic.field[3])));
+		/* SLOT_ID field in reset device cmd completion event TRB is 0.
+		 * Use the SLOT_ID from the command TRB instead (xhci 4.6.11)
+		 */
+		slot_id = TRB_TO_SLOT_ID(
+				le32_to_cpu(cmd_trb->generic.field[3]));
 		xhci_handle_cmd_reset_dev(xhci, slot_id, event);
 		break;
 	case TRB_NEC_GET_FW:
@@ -3534,7 +3537,7 @@ static unsigned int xhci_get_burst_count(struct xhci_hcd *xhci,
 		return 0;
 
 	max_burst = urb->ep->ss_ep_comp.bMaxBurst;
-	return roundup(total_packet_count, max_burst + 1) - 1;
+	return DIV_ROUND_UP(total_packet_count, max_burst + 1) - 1;
 }
 
 /*
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 2b8d9a24af0..7436d5f5e67 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -936,7 +936,7 @@ int xhci_suspend(struct xhci_hcd *xhci)
  */
 int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
 {
-	u32			command, temp = 0;
+	u32			command, temp = 0, status;
 	struct usb_hcd		*hcd = xhci_to_hcd(xhci);
 	struct usb_hcd		*secondary_hcd;
 	int			retval = 0;
@@ -1054,8 +1054,12 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
 
  done:
 	if (retval == 0) {
-		usb_hcd_resume_root_hub(hcd);
-		usb_hcd_resume_root_hub(xhci->shared_hcd);
+		/* Resume root hubs only when have pending events. */
+		status = readl(&xhci->op_regs->status);
+		if (status & STS_EINT) {
+			usb_hcd_resume_root_hub(hcd);
+			usb_hcd_resume_root_hub(xhci->shared_hcd);
+		}
 	}
 
 	/*
diff --git a/drivers/usb/musb/musb_am335x.c b/drivers/usb/musb/musb_am335x.c
index d2353781bd2..1e58ed2361c 100644
--- a/drivers/usb/musb/musb_am335x.c
+++ b/drivers/usb/musb/musb_am335x.c
@@ -19,21 +19,6 @@ err:
 	return ret;
 }
 
-static int of_remove_populated_child(struct device *dev, void *d)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-
-	of_device_unregister(pdev);
-	return 0;
-}
-
-static int am335x_child_remove(struct platform_device *pdev)
-{
-	device_for_each_child(&pdev->dev, NULL, of_remove_populated_child);
-	pm_runtime_disable(&pdev->dev);
-	return 0;
-}
-
 static const struct of_device_id am335x_child_of_match[] = {
 	{ .compatible = "ti,am33xx-usb" },
 	{  },
@@ -42,13 +27,17 @@ MODULE_DEVICE_TABLE(of, am335x_child_of_match);
 
 static struct platform_driver am335x_child_driver = {
 	.probe		= am335x_child_probe,
-	.remove         = am335x_child_remove,
 	.driver         = {
 		.name   = "am335x-usb-childs",
 		.of_match_table	= am335x_child_of_match,
 	},
 };
 
-module_platform_driver(am335x_child_driver);
+static int __init am335x_child_init(void)
+{
+	return platform_driver_register(&am335x_child_driver);
+}
+module_init(am335x_child_init);
+
 MODULE_DESCRIPTION("AM33xx child devices");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 61da471b7ae..eff3c5cf84f 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -849,7 +849,7 @@ b_host:
 	}
 
 	/* handle babble condition */
-	if (int_usb & MUSB_INTR_BABBLE)
+	if (int_usb & MUSB_INTR_BABBLE && is_host_active(musb))
 		schedule_work(&musb->recover_work);
 
 #if 0
diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c
index 7b8bbf53127..5341bb223b7 100644
--- a/drivers/usb/musb/musb_cppi41.c
+++ b/drivers/usb/musb/musb_cppi41.c
@@ -318,7 +318,7 @@ static void cppi41_dma_callback(void *private_data)
 		}
 		list_add_tail(&cppi41_channel->tx_check,
 				&controller->early_tx_list);
-		if (!hrtimer_active(&controller->early_tx)) {
+		if (!hrtimer_is_queued(&controller->early_tx)) {
 			hrtimer_start_range_ns(&controller->early_tx,
 				ktime_set(0, 140 * NSEC_PER_USEC),
 				40 * NSEC_PER_USEC,
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 51beb13c7e1..09529f94e72 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -494,10 +494,9 @@ static int dsps_musb_set_mode(struct musb *musb, u8 mode)
 	struct dsps_glue *glue = dev_get_drvdata(dev->parent);
 	const struct dsps_musb_wrapper *wrp = glue->wrp;
 	void __iomem *ctrl_base = musb->ctrl_base;
-	void __iomem *base = musb->mregs;
 	u32 reg;
 
-	reg = dsps_readl(base, wrp->mode);
+	reg = dsps_readl(ctrl_base, wrp->mode);
 
 	switch (mode) {
 	case MUSB_HOST:
@@ -510,7 +509,7 @@ static int dsps_musb_set_mode(struct musb *musb, u8 mode)
 		 */
 		reg |= (1 << wrp->iddig_mux);
 
-		dsps_writel(base, wrp->mode, reg);
+		dsps_writel(ctrl_base, wrp->mode, reg);
 		dsps_writel(ctrl_base, wrp->phy_utmi, 0x02);
 		break;
 	case MUSB_PERIPHERAL:
@@ -523,10 +522,10 @@ static int dsps_musb_set_mode(struct musb *musb, u8 mode)
 		 */
 		reg |= (1 << wrp->iddig_mux);
 
-		dsps_writel(base, wrp->mode, reg);
+		dsps_writel(ctrl_base, wrp->mode, reg);
 		break;
 	case MUSB_OTG:
-		dsps_writel(base, wrp->phy_utmi, 0x02);
+		dsps_writel(ctrl_base, wrp->phy_utmi, 0x02);
 		break;
 	default:
 		dev_err(glue->dev, "unsupported mode %d\n", mode);
diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c
index c2e45e63272..f202e508846 100644
--- a/drivers/usb/musb/ux500.c
+++ b/drivers/usb/musb/ux500.c
@@ -274,7 +274,6 @@ static int ux500_probe(struct platform_device *pdev)
 	musb->dev.parent		= &pdev->dev;
 	musb->dev.dma_mask		= &pdev->dev.coherent_dma_mask;
 	musb->dev.coherent_dma_mask	= pdev->dev.coherent_dma_mask;
-	musb->dev.of_node		= pdev->dev.of_node;
 
 	glue->dev			= &pdev->dev;
 	glue->musb			= musb;
diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c
index ced34f39bdd..c929370cdaa 100644
--- a/drivers/usb/phy/phy-msm-usb.c
+++ b/drivers/usb/phy/phy-msm-usb.c
@@ -1229,7 +1229,9 @@ static void msm_otg_sm_work(struct work_struct *w)
 			motg->chg_state = USB_CHG_STATE_UNDEFINED;
 			motg->chg_type = USB_INVALID_CHARGER;
 		}
-		pm_runtime_put_sync(otg->phy->dev);
+
+		if (otg->phy->state == OTG_STATE_B_IDLE)
+			pm_runtime_put_sync(otg->phy->dev);
 		break;
 	case OTG_STATE_B_PERIPHERAL:
 		dev_dbg(otg->phy->dev, "OTG_STATE_B_PERIPHERAL state\n");
diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index d49f9c32603..4fd36530bfa 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -681,6 +681,14 @@ usbhs_fifo_read_end:
 		usbhs_pipe_number(pipe),
 		pkt->length, pkt->actual, *is_done, pkt->zero);
 
+	/*
+	 * Transmission end
+	 */
+	if (*is_done) {
+		if (usbhs_pipe_is_dcp(pipe))
+			usbhs_dcp_control_transfer_done(pipe);
+	}
+
 usbhs_fifo_read_busy:
 	usbhsf_fifo_unselect(pipe, fifo);
 
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 762e4a5f5ae..330df5ce435 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -153,6 +153,7 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */
 	{ USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
 	{ USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */
+	{ USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */
 	{ USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */
 	{ USB_DEVICE(0x1E29, 0x0102) }, /* Festo CPX-USB */
 	{ USB_DEVICE(0x1E29, 0x0501) }, /* Festo CMSP */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index edf3b124583..8a3813be1b2 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -720,7 +720,8 @@ static const struct usb_device_id id_table_combined[] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
-	{ USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
+	{ USB_DEVICE(TESTO_VID, TESTO_1_PID) },
+	{ USB_DEVICE(TESTO_VID, TESTO_3_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
@@ -944,6 +945,8 @@ static const struct usb_device_id id_table_combined[] = {
 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_2_PID) },
 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_3_PID) },
 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_4_PID) },
+	/* Infineon Devices */
+	{ USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_PID, 1) },
 	{ }					/* Terminating entry */
 };
 
@@ -1566,14 +1569,17 @@ static void ftdi_set_max_packet_size(struct usb_serial_port *port)
 	struct usb_device *udev = serial->dev;
 
 	struct usb_interface *interface = serial->interface;
-	struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc;
+	struct usb_endpoint_descriptor *ep_desc;
 
 	unsigned num_endpoints;
-	int i;
+	unsigned i;
 
 	num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
 	dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints);
 
+	if (!num_endpoints)
+		return;
+
 	/* NOTE: some customers have programmed FT232R/FT245R devices
 	 * with an endpoint size of 0 - not good.  In this case, we
 	 * want to override the endpoint descriptor setting and use a
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 500474c48f4..c4777bc6aee 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -584,6 +584,12 @@
 #define RATOC_PRODUCT_ID_USB60F	0xb020
 
 /*
+ * Infineon Technologies
+ */
+#define INFINEON_VID		0x058b
+#define INFINEON_TRIBOARD_PID	0x0028 /* DAS JTAG TriBoard TC1798 V1.0 */
+
+/*
  * Acton Research Corp.
  */
 #define ACTON_VID		0x0647	/* Vendor ID */
@@ -798,7 +804,8 @@
  * Submitted by Colin Leroy
  */
 #define TESTO_VID			0x128D
-#define TESTO_USB_INTERFACE_PID		0x0001
+#define TESTO_1_PID			0x0001
+#define TESTO_3_PID			0x0003
 
 /*
  * Mobility Electronics products.
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 59c3108cc13..a9688940543 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -352,6 +352,9 @@ static void option_instat_callback(struct urb *urb);
 /* Zoom */
 #define ZOOM_PRODUCT_4597			0x9607
 
+/* SpeedUp SU9800 usb 3g modem */
+#define SPEEDUP_PRODUCT_SU9800			0x9800
+
 /* Haier products */
 #define HAIER_VENDOR_ID				0x201e
 #define HAIER_PRODUCT_CE100			0x2009
@@ -372,8 +375,12 @@ static void option_instat_callback(struct urb *urb);
 /* Olivetti products */
 #define OLIVETTI_VENDOR_ID			0x0b3c
 #define OLIVETTI_PRODUCT_OLICARD100		0xc000
+#define OLIVETTI_PRODUCT_OLICARD120		0xc001
+#define OLIVETTI_PRODUCT_OLICARD140		0xc002
 #define OLIVETTI_PRODUCT_OLICARD145		0xc003
+#define OLIVETTI_PRODUCT_OLICARD155		0xc004
 #define OLIVETTI_PRODUCT_OLICARD200		0xc005
+#define OLIVETTI_PRODUCT_OLICARD160		0xc00a
 #define OLIVETTI_PRODUCT_OLICARD500		0xc00b
 
 /* Celot products */
@@ -1480,6 +1487,8 @@ static const struct usb_device_id option_ids[] = {
 		.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1426, 0xff, 0xff, 0xff),  /* ZTE MF91 */
 		.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1428, 0xff, 0xff, 0xff),  /* Telewell TW-LTE 4G v2 */
+		.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1533, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1534, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1535, 0xff, 0xff, 0xff) },
@@ -1577,6 +1586,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14),
   	  .driver_info = (kernel_ulong_t)&four_g_w14_blacklist
   	},
+	{ USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, SPEEDUP_PRODUCT_SU9800, 0xff) },
 	{ USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) },
 	{ USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) },
 	{ USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) },
@@ -1611,15 +1621,21 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDMNET) },
 	{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, /* HC28 enumerates with Siemens or Cinterion VID depending on FW revision */
 	{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) },
-
-	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100) },
+	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD120),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD140),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD145) },
+	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD155),
+		.driver_info = (kernel_ulong_t)&net_intf6_blacklist },
 	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD200),
-		.driver_info = (kernel_ulong_t)&net_intf6_blacklist
-	},
+		.driver_info = (kernel_ulong_t)&net_intf6_blacklist },
+	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD160),
+		.driver_info = (kernel_ulong_t)&net_intf6_blacklist },
 	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD500),
-		.driver_info = (kernel_ulong_t)&net_intf4_blacklist
-	},
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */
 	{ USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/
 	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM600) },
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index 9d38ddc8da4..866b5df36ed 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -256,6 +256,10 @@ static int slave_configure(struct scsi_device *sdev)
 		if (us->fflags & US_FL_WRITE_CACHE)
 			sdev->wce_default_on = 1;
 
+		/* A few buggy USB-ATA bridges don't understand FUA */
+		if (us->fflags & US_FL_BROKEN_FUA)
+			sdev->broken_fua = 1;
+
 	} else {
 
 		/* Non-disk-type devices don't need to blacklist any pages
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 174a447868c..80a5b366255 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1936,6 +1936,13 @@ UNUSUAL_DEV(  0x14cd, 0x6600, 0x0201, 0x0201,
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_IGNORE_RESIDUE ),
 
+/* Reported by Michael Büsch <m@bues.ch> */
+UNUSUAL_DEV(  0x152d, 0x0567, 0x0114, 0x0114,
+		"JMicron",
+		"USB to ATA/ATAPI Bridge",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_BROKEN_FUA ),
+
 /* Reported by Alexandre Oliva <oliva@lsd.ic.unicamp.br>
  * JMicron responds to USN and several other SCSI ioctls with a
  * residue that causes subsequent I/O requests to fail.  */
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 971a760af4a..8dae2f724a3 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -700,14 +700,6 @@ static void handle_rx_net(struct vhost_work *work)
 	handle_rx(net);
 }
 
-static void vhost_net_free(void *addr)
-{
-	if (is_vmalloc_addr(addr))
-		vfree(addr);
-	else
-		kfree(addr);
-}
-
 static int vhost_net_open(struct inode *inode, struct file *f)
 {
 	struct vhost_net *n;
@@ -723,7 +715,7 @@ static int vhost_net_open(struct inode *inode, struct file *f)
 	}
 	vqs = kmalloc(VHOST_NET_VQ_MAX * sizeof(*vqs), GFP_KERNEL);
 	if (!vqs) {
-		vhost_net_free(n);
+		kvfree(n);
 		return -ENOMEM;
 	}
 
@@ -840,7 +832,7 @@ static int vhost_net_release(struct inode *inode, struct file *f)
 	 * since jobs can re-queue themselves. */
 	vhost_net_flush(n);
 	kfree(n->dev.vqs);
-	vhost_net_free(n);
+	kvfree(n);
 	return 0;
 }
 
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 4f4ffa4c604..69906cacd04 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -1503,14 +1503,6 @@ static int vhost_scsi_set_features(struct vhost_scsi *vs, u64 features)
 	return 0;
 }
 
-static void vhost_scsi_free(struct vhost_scsi *vs)
-{
-	if (is_vmalloc_addr(vs))
-		vfree(vs);
-	else
-		kfree(vs);
-}
-
 static int vhost_scsi_open(struct inode *inode, struct file *f)
 {
 	struct vhost_scsi *vs;
@@ -1550,7 +1542,7 @@ static int vhost_scsi_open(struct inode *inode, struct file *f)
 	return 0;
 
 err_vqs:
-	vhost_scsi_free(vs);
+	kvfree(vs);
 err_vs:
 	return r;
 }
@@ -1569,7 +1561,7 @@ static int vhost_scsi_release(struct inode *inode, struct file *f)
 	/* Jobs can re-queue themselves in evt kick handler. Do extra flush. */
 	vhost_scsi_flush(vs);
 	kfree(vs->dev.vqs);
-	vhost_scsi_free(vs);
+	kvfree(vs);
 	return 0;
 }
 
diff --git a/drivers/video/fbdev/atmel_lcdfb.c b/drivers/video/fbdev/atmel_lcdfb.c
index e683b6ef959..d36e830d6fc 100644
--- a/drivers/video/fbdev/atmel_lcdfb.c
+++ b/drivers/video/fbdev/atmel_lcdfb.c
@@ -1057,6 +1057,7 @@ static int atmel_lcdfb_of_init(struct atmel_lcdfb_info *sinfo)
 		goto put_display_node;
 	}
 
+	INIT_LIST_HEAD(&pdata->pwr_gpios);
 	ret = -ENOMEM;
 	for (i = 0; i < of_gpio_named_count(display_np, "atmel,power-control-gpio"); i++) {
 		gpio = of_get_named_gpio_flags(display_np, "atmel,power-control-gpio",
@@ -1082,6 +1083,7 @@ static int atmel_lcdfb_of_init(struct atmel_lcdfb_info *sinfo)
 			dev_err(dev, "set direction output gpio %d failed\n", gpio);
 			goto put_display_node;
 		}
+		list_add(&og->list, &pdata->pwr_gpios);
 	}
 
 	if (is_gpio_power)
diff --git a/drivers/video/fbdev/bfin_adv7393fb.c b/drivers/video/fbdev/bfin_adv7393fb.c
index a54f7f7d763..8fe41caac38 100644
--- a/drivers/video/fbdev/bfin_adv7393fb.c
+++ b/drivers/video/fbdev/bfin_adv7393fb.c
@@ -408,7 +408,7 @@ static int bfin_adv7393_fb_probe(struct i2c_client *client,
 	/* Workaround "PPI Does Not Start Properly In Specific Mode" */
 	if (ANOMALY_05000400) {
 		ret = gpio_request_one(P_IDENT(P_PPI0_FS3), GPIOF_OUT_INIT_LOW,
-					"PPI0_FS3")
+					"PPI0_FS3");
 		if (ret) {
 			dev_err(&client->dev, "PPI0_FS3 GPIO request failed\n");
 			ret = -EBUSY;
diff --git a/drivers/video/fbdev/omap2/dss/omapdss-boot-init.c b/drivers/video/fbdev/omap2/dss/omapdss-boot-init.c
index 99af9e88b2d..2f0822ee3ff 100644
--- a/drivers/video/fbdev/omap2/dss/omapdss-boot-init.c
+++ b/drivers/video/fbdev/omap2/dss/omapdss-boot-init.c
@@ -121,9 +121,11 @@ static void __init omapdss_add_to_list(struct device_node *node, bool root)
 {
 	struct dss_conv_node *n = kmalloc(sizeof(struct dss_conv_node),
 		GFP_KERNEL);
-	n->node = node;
-	n->root = root;
-	list_add(&n->list, &dss_conv_list);
+	if (n) {
+		n->node = node;
+		n->root = root;
+		list_add(&n->list, &dss_conv_list);
+	}
 }
 
 static bool __init omapdss_list_contains(const struct device_node *node)
diff --git a/drivers/video/fbdev/vt8500lcdfb.c b/drivers/video/fbdev/vt8500lcdfb.c
index a8f2b280f79..a1134c3f6c1 100644
--- a/drivers/video/fbdev/vt8500lcdfb.c
+++ b/drivers/video/fbdev/vt8500lcdfb.c
@@ -474,8 +474,6 @@ static int vt8500lcd_remove(struct platform_device *pdev)
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	release_mem_region(res->start, resource_size(res));
 
-	kfree(fbi);
-
 	return 0;
 }
author	Kukjin Kim <kgene.kim@samsung.com>	2014-07-19 04:24:18 +0900
committer	Kukjin Kim <kgene.kim@samsung.com>	2014-07-19 04:24:18 +0900
commit	a7a30232df01db886473324050d79c3122937c78 (patch)
tree	76323b745b44b792173575843a72a2f6baa8a6da /drivers
parent	f86e0add813a3cc0e338089fa6c0928f5f6dc52d (diff)
parent	fce9e5bb25264153f9f002eada41757118d25ba9 (diff)