Merge tag 'at24-4.17-updates-for-wolfram' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-4.17

"three new special cases for device tree compatible strings"

307 files changed, 2842 insertions, 2421 deletions

diff --git a/drivers/auxdisplay/img-ascii-lcd.c b/drivers/auxdisplay/img-ascii-lcd.c
index 9180b9bd5821..834509506ef6 100644
--- a/drivers/auxdisplay/img-ascii-lcd.c
+++ b/drivers/auxdisplay/img-ascii-lcd.c
@@ -97,7 +97,7 @@ static struct img_ascii_lcd_config boston_config = {
 static void malta_update(struct img_ascii_lcd_ctx *ctx)
 {
 	unsigned int i;
-	int err;
+	int err = 0;
 
 	for (i = 0; i < ctx->cfg->num_chars; i++) {
 		err = regmap_write(ctx->regmap,
@@ -180,7 +180,7 @@ static int sead3_wait_lcd_idle(struct img_ascii_lcd_ctx *ctx)
 static void sead3_update(struct img_ascii_lcd_ctx *ctx)
 {
 	unsigned int i;
-	int err;
+	int err = 0;
 
 	for (i = 0; i < ctx->cfg->num_chars; i++) {
 		err = sead3_wait_lcd_idle(ctx);
@@ -224,7 +224,7 @@ MODULE_DEVICE_TABLE(of, img_ascii_lcd_matches);
 
 /**
  * img_ascii_lcd_scroll() - scroll the display by a character
- * @arg: really a pointer to the private data structure
+ * @t: really a pointer to the private data structure
  *
  * Scroll the current message along the LCD by one character, rearming the
  * timer if required.
diff --git a/drivers/auxdisplay/panel.c b/drivers/auxdisplay/panel.c
index ea7869c0d7f9..ec5e8800f8ad 100644
--- a/drivers/auxdisplay/panel.c
+++ b/drivers/auxdisplay/panel.c
@@ -1372,7 +1372,7 @@ static void panel_process_inputs(void)
 				break;
 			input->rise_timer = 0;
 			input->state = INPUT_ST_RISING;
-			/* no break here, fall through */
+			/* fall through */
 		case INPUT_ST_RISING:
 			if ((phys_curr & input->mask) != input->value) {
 				input->state = INPUT_ST_LOW;
@@ -1385,11 +1385,11 @@ static void panel_process_inputs(void)
 			}
 			input->high_timer = 0;
 			input->state = INPUT_ST_HIGH;
-			/* no break here, fall through */
+			/* fall through */
 		case INPUT_ST_HIGH:
 			if (input_state_high(input))
 				break;
-			/* no break here, fall through */
+			/* fall through */
 		case INPUT_ST_FALLING:
 			input_state_falling(input);
 		}
diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index e5aa62fcf5a8..3aaf6af3ec23 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -1758,7 +1758,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data)
 	if (unit[drive].type->code == FD_NODRIVE)
 		return NULL;
 	*part = 0;
-	return get_disk(unit[drive].gendisk);
+	return get_disk_and_module(unit[drive].gendisk);
 }
 
 static int __init amiga_floppy_probe(struct platform_device *pdev)
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index 8bc3b9fd8dd2..dfb2c2622e5a 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -1917,7 +1917,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data)
 	if (drive >= FD_MAX_UNITS || type > NUM_DISK_MINORS)
 		return NULL;
 	*part = 0;
-	return get_disk(unit[drive].disk);
+	return get_disk_and_module(unit[drive].disk);
 }
 
 static int __init atari_floppy_init (void)
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 8028a3a7e7fd..deea78e485da 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -456,7 +456,7 @@ static struct kobject *brd_probe(dev_t dev, int *part, void *data)
 
 	mutex_lock(&brd_devices_mutex);
 	brd = brd_init_one(MINOR(dev) / max_part, &new);
-	kobj = brd ? get_disk(brd->brd_disk) : NULL;
+	kobj = brd ? get_disk_and_module(brd->brd_disk) : NULL;
 	mutex_unlock(&brd_devices_mutex);
 
 	if (new)
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index eae484acfbbc..8ec7235fc93b 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4505,7 +4505,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data)
 	if (((*part >> 2) & 0x1f) >= ARRAY_SIZE(floppy_type))
 		return NULL;
 	*part = 0;
-	return get_disk(disks[drive]);
+	return get_disk_and_module(disks[drive]);
 }
 
 static int __init do_floppy_init(void)
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index d5fe720cf149..ee62d2d517bf 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -266,7 +266,7 @@ static int lo_write_bvec(struct file *file, struct bio_vec *bvec, loff_t *ppos)
 	struct iov_iter i;
 	ssize_t bw;
 
-	iov_iter_bvec(&i, ITER_BVEC, bvec, 1, bvec->bv_len);
+	iov_iter_bvec(&i, ITER_BVEC | WRITE, bvec, 1, bvec->bv_len);
 
 	file_start_write(file);
 	bw = vfs_iter_write(file, &i, ppos, 0);
@@ -1922,7 +1922,7 @@ static struct kobject *loop_probe(dev_t dev, int *part, void *data)
 	if (err < 0)
 		kobj = NULL;
 	else
-		kobj = get_disk(lo->lo_disk);
+		kobj = get_disk_and_module(lo->lo_disk);
 	mutex_unlock(&loop_index_mutex);
 
 	*part = 0;
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 5f2a4240a204..86258b00a1d4 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -1591,7 +1591,7 @@ again:
 			if (new_index < 0) {
 				mutex_unlock(&nbd_index_mutex);
 				printk(KERN_ERR "nbd: failed to add new device\n");
-				return ret;
+				return new_index;
 			}
 			nbd = idr_find(&nbd_index_idr, new_index);
 		}
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 531a0915066b..c61d20c9f3f8 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -1122,7 +1122,7 @@ static int pkt_start_recovery(struct packet_data *pkt)
 	pkt->sector = new_sector;
 
 	bio_reset(pkt->bio);
-	bio_set_set(pkt->bio, pd->bdev);
+	bio_set_dev(pkt->bio, pd->bdev);
 	bio_set_op_attrs(pkt->bio, REQ_OP_WRITE, 0);
 	pkt->bio->bi_iter.bi_sector = new_sector;
 	pkt->bio->bi_iter.bi_size = pkt->frames * CD_FRAMESIZE;
diff --git a/drivers/block/swim.c b/drivers/block/swim.c
index 84434d3ea19b..64e066eba72e 100644
--- a/drivers/block/swim.c
+++ b/drivers/block/swim.c
@@ -799,7 +799,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data)
 		return NULL;
 
 	*part = 0;
-	return get_disk(swd->unit[drive].disk);
+	return get_disk_and_module(swd->unit[drive].disk);
 }
 
 static int swim_add_floppy(struct swim_priv *swd, enum drive_location location)
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index e126e4cac2ca..92ec1bbece51 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -262,6 +262,7 @@ static DEFINE_SPINLOCK(minor_lock);
 
 static int blkfront_setup_indirect(struct blkfront_ring_info *rinfo);
 static void blkfront_gather_backend_features(struct blkfront_info *info);
+static int negotiate_mq(struct blkfront_info *info);
 
 static int get_id_from_freelist(struct blkfront_ring_info *rinfo)
 {
@@ -1774,11 +1775,18 @@ static int talk_to_blkback(struct xenbus_device *dev,
 	unsigned int i, max_page_order;
 	unsigned int ring_page_order;
 
+	if (!info)
+		return -ENODEV;
+
 	max_page_order = xenbus_read_unsigned(info->xbdev->otherend,
 					      "max-ring-page-order", 0);
 	ring_page_order = min(xen_blkif_max_ring_order, max_page_order);
 	info->nr_ring_pages = 1 << ring_page_order;
 
+	err = negotiate_mq(info);
+	if (err)
+		goto destroy_blkring;
+
 	for (i = 0; i < info->nr_rings; i++) {
 		struct blkfront_ring_info *rinfo = &info->rinfo[i];
 
@@ -1978,11 +1986,6 @@ static int blkfront_probe(struct xenbus_device *dev,
 	}
 
 	info->xbdev = dev;
-	err = negotiate_mq(info);
-	if (err) {
-		kfree(info);
-		return err;
-	}
 
 	mutex_init(&info->mutex);
 	info->vdevice = vdevice;
@@ -2099,10 +2102,6 @@ static int blkfront_resume(struct xenbus_device *dev)
 
 	blkif_free(info, info->connected == BLKIF_STATE_CONNECTED);
 
-	err = negotiate_mq(info);
-	if (err)
-		return err;
-
 	err = talk_to_blkback(dev, info);
 	if (!err)
 		blk_mq_update_nr_hw_queues(&info->tag_set, info->nr_rings);
diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c
index 41c95c9b2ab4..8f9130ab5887 100644
--- a/drivers/block/z2ram.c
+++ b/drivers/block/z2ram.c
@@ -332,7 +332,7 @@ static const struct block_device_operations z2_fops =
 static struct kobject *z2_find(dev_t dev, int *part, void *data)
 {
 	*part = 0;
-	return get_disk(z2ram_gendisk);
+	return get_disk_and_module(z2ram_gendisk);
 }
 
 static struct request_queue *z2_queue;
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 2a55380ad730..60bf04b8f103 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -21,6 +21,7 @@
  *
  */
 
+#include <linux/dmi.h>
 #include <linux/module.h>
 #include <linux/usb.h>
 #include <linux/usb/quirks.h>
@@ -379,6 +380,21 @@ static const struct usb_device_id blacklist_table[] = {
 	{ }	/* Terminating entry */
 };
 
+/* The Bluetooth USB module build into some devices needs to be reset on resume,
+ * this is a problem with the platform (likely shutting off all power) not with
+ * the module itself. So we use a DMI list to match known broken platforms.
+ */
+static const struct dmi_system_id btusb_needs_reset_resume_table[] = {
+	{
+		/* Lenovo Yoga 920 (QCA Rome device 0cf3:e300) */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo YOGA 920"),
+		},
+	},
+	{}
+};
+
 #define BTUSB_MAX_ISOC_FRAMES	10
 
 #define BTUSB_INTR_RUNNING	0
@@ -2945,6 +2961,9 @@ static int btusb_probe(struct usb_interface *intf,
 	hdev->send   = btusb_send_frame;
 	hdev->notify = btusb_notify;
 
+	if (dmi_check_system(btusb_needs_reset_resume_table))
+		interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
+
 #ifdef CONFIG_PM
 	err = btusb_config_oob_wake(hdev);
 	if (err)
@@ -3031,12 +3050,6 @@ static int btusb_probe(struct usb_interface *intf,
 	if (id->driver_info & BTUSB_QCA_ROME) {
 		data->setup_on_usb = btusb_setup_qca;
 		hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
-
-		/* QCA Rome devices lose their updated firmware over suspend,
-		 * but the USB hub doesn't notice any status change.
-		 * explicitly request a device reset on resume.
-		 */
-		interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
 	}
 
 #ifdef CONFIG_BT_HCIBTUSB_RTL
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 0438a64b8185..6314dfb02969 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -922,12 +922,13 @@ static int bcm_get_resources(struct bcm_device *dev)
 
 	dev->clk = devm_clk_get(dev->dev, NULL);
 
-	dev->device_wakeup = devm_gpiod_get(dev->dev, "device-wakeup",
-					    GPIOD_OUT_LOW);
+	dev->device_wakeup = devm_gpiod_get_optional(dev->dev, "device-wakeup",
+						     GPIOD_OUT_LOW);
 	if (IS_ERR(dev->device_wakeup))
 		return PTR_ERR(dev->device_wakeup);
 
-	dev->shutdown = devm_gpiod_get(dev->dev, "shutdown", GPIOD_OUT_LOW);
+	dev->shutdown = devm_gpiod_get_optional(dev->dev, "shutdown",
+						GPIOD_OUT_LOW);
 	if (IS_ERR(dev->shutdown))
 		return PTR_ERR(dev->shutdown);
 
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index 4d46003c46cf..cdaeeea7999c 100644
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -630,7 +630,7 @@ static int sysc_init_dts_quirks(struct sysc *ddata)
 	for (i = 0; i < ARRAY_SIZE(sysc_dts_quirks); i++) {
 		prop = of_get_property(np, sysc_dts_quirks[i].name, &len);
 		if (!prop)
-			break;
+			continue;
 
 		ddata->cfg.quirks |= sysc_dts_quirks[i].mask;
 	}
diff --git a/drivers/char/tpm/st33zp24/st33zp24.c b/drivers/char/tpm/st33zp24/st33zp24.c
index 4d1dc8b46877..f95b9c75175b 100644
--- a/drivers/char/tpm/st33zp24/st33zp24.c
+++ b/drivers/char/tpm/st33zp24/st33zp24.c
@@ -457,7 +457,7 @@ static int st33zp24_recv(struct tpm_chip *chip, unsigned char *buf,
 			    size_t count)
 {
 	int size = 0;
-	int expected;
+	u32 expected;
 
 	if (!chip)
 		return -EBUSY;
@@ -474,7 +474,7 @@ static int st33zp24_recv(struct tpm_chip *chip, unsigned char *buf,
 	}
 
 	expected = be32_to_cpu(*(__be32 *)(buf + 2));
-	if (expected > count) {
+	if (expected > count || expected < TPM_HEADER_SIZE) {
 		size = -EIO;
 		goto out;
 	}
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index 76df4fbcf089..9e80a953d693 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -1190,6 +1190,10 @@ int tpm_get_random(struct tpm_chip *chip, u8 *out, size_t max)
 			break;
 
 		recd = be32_to_cpu(tpm_cmd.params.getrandom_out.rng_data_len);
+		if (recd > num_bytes) {
+			total = -EFAULT;
+			break;
+		}
 
 		rlength = be32_to_cpu(tpm_cmd.header.out.length);
 		if (rlength < offsetof(struct tpm_getrandom_out, rng_data) +
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
index c17e75348a99..a700f8f9ead7 100644
--- a/drivers/char/tpm/tpm2-cmd.c
+++ b/drivers/char/tpm/tpm2-cmd.c
@@ -683,6 +683,10 @@ static int tpm2_unseal_cmd(struct tpm_chip *chip,
 	if (!rc) {
 		data_len = be16_to_cpup(
 			(__be16 *) &buf.data[TPM_HEADER_SIZE + 4]);
+		if (data_len < MIN_KEY_SIZE ||  data_len > MAX_KEY_SIZE + 1) {
+			rc = -EFAULT;
+			goto out;
+		}
 
 		rlength = be32_to_cpu(((struct tpm2_cmd *)&buf)
 					->header.out.length);
diff --git a/drivers/char/tpm/tpm_i2c_infineon.c b/drivers/char/tpm/tpm_i2c_infineon.c
index c1dd39eaaeeb..6116cd05e228 100644
--- a/drivers/char/tpm/tpm_i2c_infineon.c
+++ b/drivers/char/tpm/tpm_i2c_infineon.c
@@ -473,7 +473,8 @@ static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count)
 static int tpm_tis_i2c_recv(struct tpm_chip *chip, u8 *buf, size_t count)
 {
 	int size = 0;
-	int expected, status;
+	int status;
+	u32 expected;
 
 	if (count < TPM_HEADER_SIZE) {
 		size = -EIO;
@@ -488,7 +489,7 @@ static int tpm_tis_i2c_recv(struct tpm_chip *chip, u8 *buf, size_t count)
 	}
 
 	expected = be32_to_cpu(*(__be32 *)(buf + 2));
-	if ((size_t) expected > count) {
+	if (((size_t) expected > count) || (expected < TPM_HEADER_SIZE)) {
 		size = -EIO;
 		goto out;
 	}
diff --git a/drivers/char/tpm/tpm_i2c_nuvoton.c b/drivers/char/tpm/tpm_i2c_nuvoton.c
index c6428771841f..caa86b19c76d 100644
--- a/drivers/char/tpm/tpm_i2c_nuvoton.c
+++ b/drivers/char/tpm/tpm_i2c_nuvoton.c
@@ -281,7 +281,11 @@ static int i2c_nuvoton_recv(struct tpm_chip *chip, u8 *buf, size_t count)
 	struct device *dev = chip->dev.parent;
 	struct i2c_client *client = to_i2c_client(dev);
 	s32 rc;
-	int expected, status, burst_count, retries, size = 0;
+	int status;
+	int burst_count;
+	int retries;
+	int size = 0;
+	u32 expected;
 
 	if (count < TPM_HEADER_SIZE) {
 		i2c_nuvoton_ready(chip);    /* return to idle */
@@ -323,7 +327,7 @@ static int i2c_nuvoton_recv(struct tpm_chip *chip, u8 *buf, size_t count)
 		 * to machine native
 		 */
 		expected = be32_to_cpu(*(__be32 *) (buf + 2));
-		if (expected > count) {
+		if (expected > count || expected < size) {
 			dev_err(dev, "%s() expected > count\n", __func__);
 			size = -EIO;
 			continue;
diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c
index 183a5f54d875..da074e3db19b 100644
--- a/drivers/char/tpm/tpm_tis_core.c
+++ b/drivers/char/tpm/tpm_tis_core.c
@@ -270,7 +270,8 @@ static int tpm_tis_recv(struct tpm_chip *chip, u8 *buf, size_t count)
 {
 	struct tpm_tis_data *priv = dev_get_drvdata(&chip->dev);
 	int size = 0;
-	int expected, status;
+	int status;
+	u32 expected;
 
 	if (count < TPM_HEADER_SIZE) {
 		size = -EIO;
@@ -285,7 +286,7 @@ static int tpm_tis_recv(struct tpm_chip *chip, u8 *buf, size_t count)
 	}
 
 	expected = be32_to_cpu(*(__be32 *) (buf + 2));
-	if (expected > count) {
+	if (expected > count || expected < TPM_HEADER_SIZE) {
 		size = -EIO;
 		goto out;
 	}
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index b3b4ed9b6874..d2e5382821a4 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -386,6 +386,7 @@ config ATMEL_PIT
 
 config ATMEL_ST
 	bool "Atmel ST timer support" if COMPILE_TEST
+	depends on HAS_IOMEM
 	select TIMER_OF
 	select MFD_SYSCON
 	help
diff --git a/drivers/clocksource/arc_timer.c b/drivers/clocksource/arc_timer.c
index 4927355f9cbe..471b428d8034 100644
--- a/drivers/clocksource/arc_timer.c
+++ b/drivers/clocksource/arc_timer.c
@@ -251,9 +251,14 @@ static irqreturn_t timer_irq_handler(int irq, void *dev_id)
 	int irq_reenable = clockevent_state_periodic(evt);
 
 	/*
-	 * Any write to CTRL reg ACks the interrupt, we rewrite the
-	 * Count when [N]ot [H]alted bit.
-	 * And re-arm it if perioid by [I]nterrupt [E]nable bit
+	 * 1. ACK the interrupt
+	 *    - For ARC700, any write to CTRL reg ACKs it, so just rewrite
+	 *      Count when [N]ot [H]alted bit.
+	 *    - For HS3x, it is a bit subtle. On taken count-down interrupt,
+	 *      IP bit [3] is set, which needs to be cleared for ACK'ing.
+	 *      The write below can only update the other two bits, hence
+	 *      explicitly clears IP bit
+	 * 2. Re-arm interrupt if periodic by writing to IE bit [0]
 	 */
 	write_aux_reg(ARC_REG_TIMER0_CTRL, irq_reenable | TIMER_CTRL_NH);
 
diff --git a/drivers/clocksource/fsl_ftm_timer.c b/drivers/clocksource/fsl_ftm_timer.c
index 3ee7e6fea621..846d18daf893 100644
--- a/drivers/clocksource/fsl_ftm_timer.c
+++ b/drivers/clocksource/fsl_ftm_timer.c
@@ -281,7 +281,7 @@ static int __init __ftm_clk_init(struct device_node *np, char *cnt_name,
 
 static unsigned long __init ftm_clk_init(struct device_node *np)
 {
-	unsigned long freq;
+	long freq;
 
 	freq = __ftm_clk_init(np, "ftm-evt-counter-en", "ftm-evt");
 	if (freq <= 0)
diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c
index 65e18c86d9b9..986b6796b631 100644
--- a/drivers/clocksource/mips-gic-timer.c
+++ b/drivers/clocksource/mips-gic-timer.c
@@ -166,7 +166,7 @@ static int __init __gic_clocksource_init(void)
 
 	/* Set clocksource mask. */
 	count_width = read_gic_config() & GIC_CONFIG_COUNTBITS;
-	count_width >>= __fls(GIC_CONFIG_COUNTBITS);
+	count_width >>= __ffs(GIC_CONFIG_COUNTBITS);
 	count_width *= 4;
 	count_width += 32;
 	gic_clocksource.mask = CLOCKSOURCE_MASK(count_width);
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index 3a88e33b0cfe..fb586e09682d 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -44,10 +44,10 @@ config ARM_DT_BL_CPUFREQ
 
 config ARM_SCPI_CPUFREQ
 	tristate "SCPI based CPUfreq driver"
-	depends on ARM_BIG_LITTLE_CPUFREQ && ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI
+	depends on ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI
 	help
-	  This adds the CPUfreq driver support for ARM big.LITTLE platforms
-	  using SCPI protocol for CPU power management.
+	  This adds the CPUfreq driver support for ARM platforms using SCPI
+	  protocol for CPU power management.
 
 	  This driver uses SCPI Message Protocol driver to interact with the
 	  firmware providing the CPU DVFS functionality.
diff --git a/drivers/cpufreq/s3c24xx-cpufreq.c b/drivers/cpufreq/s3c24xx-cpufreq.c
index 7b596fa38ad2..6bebc1f9f55a 100644
--- a/drivers/cpufreq/s3c24xx-cpufreq.c
+++ b/drivers/cpufreq/s3c24xx-cpufreq.c
@@ -351,7 +351,13 @@ struct clk *s3c_cpufreq_clk_get(struct device *dev, const char *name)
 static int s3c_cpufreq_init(struct cpufreq_policy *policy)
 {
 	policy->clk = clk_arm;
-	return cpufreq_generic_init(policy, ftab, cpu_cur.info->latency);
+
+	policy->cpuinfo.transition_latency = cpu_cur.info->latency;
+
+	if (ftab)
+		return cpufreq_table_validate_and_show(policy, ftab);
+
+	return 0;
 }
 
 static int __init s3c_cpufreq_initclks(void)
diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c
index c32a833e1b00..d300a163945f 100644
--- a/drivers/cpufreq/scpi-cpufreq.c
+++ b/drivers/cpufreq/scpi-cpufreq.c
@@ -51,15 +51,23 @@ static unsigned int scpi_cpufreq_get_rate(unsigned int cpu)
 static int
 scpi_cpufreq_set_target(struct cpufreq_policy *policy, unsigned int index)
 {
+	unsigned long freq = policy->freq_table[index].frequency;
 	struct scpi_data *priv = policy->driver_data;
-	u64 rate = policy->freq_table[index].frequency * 1000;
+	u64 rate = freq * 1000;
 	int ret;
 
 	ret = clk_set_rate(priv->clk, rate);
-	if (!ret && (clk_get_rate(priv->clk) != rate))
-		ret = -EIO;
 
-	return ret;
+	if (ret)
+		return ret;
+
+	if (clk_get_rate(priv->clk) != rate)
+		return -EIO;
+
+	arch_set_freq_scale(policy->related_cpus, freq,
+			    policy->cpuinfo.max_freq);
+
+	return 0;
 }
 
 static int
diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c
index fcfa5b1eae61..b3afb6cc9d72 100644
--- a/drivers/crypto/ccp/psp-dev.c
+++ b/drivers/crypto/ccp/psp-dev.c
@@ -211,7 +211,7 @@ static int __sev_platform_shutdown_locked(int *error)
 {
 	int ret;
 
-	ret = __sev_do_cmd_locked(SEV_CMD_SHUTDOWN, 0, error);
+	ret = __sev_do_cmd_locked(SEV_CMD_SHUTDOWN, NULL, error);
 	if (ret)
 		return ret;
 
@@ -271,7 +271,7 @@ static int sev_ioctl_do_reset(struct sev_issue_cmd *argp)
 			return rc;
 	}
 
-	return __sev_do_cmd_locked(SEV_CMD_FACTORY_RESET, 0, &argp->error);
+	return __sev_do_cmd_locked(SEV_CMD_FACTORY_RESET, NULL, &argp->error);
 }
 
 static int sev_ioctl_do_platform_status(struct sev_issue_cmd *argp)
@@ -299,7 +299,7 @@ static int sev_ioctl_do_pek_pdh_gen(int cmd, struct sev_issue_cmd *argp)
 			return rc;
 	}
 
-	return __sev_do_cmd_locked(cmd, 0, &argp->error);
+	return __sev_do_cmd_locked(cmd, NULL, &argp->error);
 }
 
 static int sev_ioctl_do_pek_csr(struct sev_issue_cmd *argp)
@@ -624,7 +624,7 @@ EXPORT_SYMBOL_GPL(sev_guest_decommission);
 
 int sev_guest_df_flush(int *error)
 {
-	return sev_do_cmd(SEV_CMD_DF_FLUSH, 0, error);
+	return sev_do_cmd(SEV_CMD_DF_FLUSH, NULL, error);
 }
 EXPORT_SYMBOL_GPL(sev_guest_df_flush);
 
diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index 473af694ad1c..ecdc292aa4e4 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -246,12 +246,6 @@ long dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff, long nr_pages,
 {
 	long avail;
 
-	/*
-	 * The device driver is allowed to sleep, in order to make the
-	 * memory directly accessible.
-	 */
-	might_sleep();
-
 	if (!dax_dev)
 		return -EOPNOTSUPP;
 
diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c
index f652a0e0f5a2..3548caa9e933 100644
--- a/drivers/dma/mv_xor_v2.c
+++ b/drivers/dma/mv_xor_v2.c
@@ -163,6 +163,7 @@ struct mv_xor_v2_device {
 	void __iomem *dma_base;
 	void __iomem *glob_base;
 	struct clk *clk;
+	struct clk *reg_clk;
 	struct tasklet_struct irq_tasklet;
 	struct list_head free_sw_desc;
 	struct dma_device dmadev;
@@ -749,13 +750,26 @@ static int mv_xor_v2_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
+	xor_dev->reg_clk = devm_clk_get(&pdev->dev, "reg");
+	if (PTR_ERR(xor_dev->reg_clk) != -ENOENT) {
+		if (!IS_ERR(xor_dev->reg_clk)) {
+			ret = clk_prepare_enable(xor_dev->reg_clk);
+			if (ret)
+				return ret;
+		} else {
+			return PTR_ERR(xor_dev->reg_clk);
+		}
+	}
+
 	xor_dev->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(xor_dev->clk) && PTR_ERR(xor_dev->clk) == -EPROBE_DEFER)
-		return -EPROBE_DEFER;
+	if (IS_ERR(xor_dev->clk) && PTR_ERR(xor_dev->clk) == -EPROBE_DEFER) {
+		ret = EPROBE_DEFER;
+		goto disable_reg_clk;
+	}
 	if (!IS_ERR(xor_dev->clk)) {
 		ret = clk_prepare_enable(xor_dev->clk);
 		if (ret)
-			return ret;
+			goto disable_reg_clk;
 	}
 
 	ret = platform_msi_domain_alloc_irqs(&pdev->dev, 1,
@@ -866,8 +880,9 @@ free_hw_desq:
 free_msi_irqs:
 	platform_msi_domain_free_irqs(&pdev->dev);
 disable_clk:
-	if (!IS_ERR(xor_dev->clk))
-		clk_disable_unprepare(xor_dev->clk);
+	clk_disable_unprepare(xor_dev->clk);
+disable_reg_clk:
+	clk_disable_unprepare(xor_dev->reg_clk);
 	return ret;
 }
 
diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c
index e3ff162c03fc..d0cacdb0713e 100644
--- a/drivers/dma/sh/rcar-dmac.c
+++ b/drivers/dma/sh/rcar-dmac.c
@@ -917,7 +917,7 @@ rcar_dmac_chan_prep_sg(struct rcar_dmac_chan *chan, struct scatterlist *sgl,
 
 	rcar_dmac_chan_configure_desc(chan, desc);
 
-	max_chunk_size = (RCAR_DMATCR_MASK + 1) << desc->xfer_shift;
+	max_chunk_size = RCAR_DMATCR_MASK << desc->xfer_shift;
 
 	/*
 	 * Allocate and fill the transfer chunk descriptors. We own the only
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index f34430f99fd8..872100215ca0 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -279,7 +279,7 @@ static const u32 correrrthrsld[] = {
  * sbridge structs
  */
 
-#define NUM_CHANNELS		4	/* Max channels per MC */
+#define NUM_CHANNELS		6	/* Max channels per MC */
 #define MAX_DIMMS		3	/* Max DIMMS per channel */
 #define KNL_MAX_CHAS		38	/* KNL max num. of Cache Home Agents */
 #define KNL_MAX_CHANNELS	6	/* KNL max num. of PCI channels */
diff --git a/drivers/firmware/dcdbas.c b/drivers/firmware/dcdbas.c
index c16600f30611..0bdea60c65dd 100644
--- a/drivers/firmware/dcdbas.c
+++ b/drivers/firmware/dcdbas.c
@@ -639,7 +639,7 @@ static void __exit dcdbas_exit(void)
 	platform_driver_unregister(&dcdbas_driver);
 }
 
-module_init(dcdbas_init);
+subsys_initcall_sync(dcdbas_init);
 module_exit(dcdbas_exit);
 
 MODULE_DESCRIPTION(DRIVER_DESCRIPTION " (version " DRIVER_VERSION ")");
diff --git a/drivers/firmware/efi/libstub/tpm.c b/drivers/firmware/efi/libstub/tpm.c
index da661bf8cb96..13c1edd37e96 100644
--- a/drivers/firmware/efi/libstub/tpm.c
+++ b/drivers/firmware/efi/libstub/tpm.c
@@ -68,11 +68,11 @@ void efi_retrieve_tpm2_eventlog_1_2(efi_system_table_t *sys_table_arg)
 	efi_guid_t linux_eventlog_guid = LINUX_EFI_TPM_EVENT_LOG_GUID;
 	efi_status_t status;
 	efi_physical_addr_t log_location, log_last_entry;
-	struct linux_efi_tpm_eventlog *log_tbl;
+	struct linux_efi_tpm_eventlog *log_tbl = NULL;
 	unsigned long first_entry_addr, last_entry_addr;
 	size_t log_size, last_entry_size;
 	efi_bool_t truncated;
-	void *tcg2_protocol;
+	void *tcg2_protocol = NULL;
 
 	status = efi_call_early(locate_protocol, &tcg2_guid, NULL,
 				&tcg2_protocol);
diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index e76de57dd617..ebaea8b1594b 100644
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -14,7 +14,6 @@
  * GNU General Public License for more details.
  */
 
-#include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/gpio.h>
 #include <linux/init.h>
@@ -37,10 +36,9 @@ struct gpio_rcar_priv {
 	struct platform_device *pdev;
 	struct gpio_chip gpio_chip;
 	struct irq_chip irq_chip;
-	struct clk *clk;
 	unsigned int irq_parent;
+	atomic_t wakeup_path;
 	bool has_both_edge_trigger;
-	bool needs_clk;
 };
 
 #define IOINTSEL 0x00	/* General IO/Interrupt Switching Register */
@@ -186,13 +184,10 @@ static int gpio_rcar_irq_set_wake(struct irq_data *d, unsigned int on)
 		}
 	}
 
-	if (!p->clk)
-		return 0;
-
 	if (on)
-		clk_enable(p->clk);
+		atomic_inc(&p->wakeup_path);
 	else
-		clk_disable(p->clk);
+		atomic_dec(&p->wakeup_path);
 
 	return 0;
 }
@@ -330,17 +325,14 @@ static int gpio_rcar_direction_output(struct gpio_chip *chip, unsigned offset,
 
 struct gpio_rcar_info {
 	bool has_both_edge_trigger;
-	bool needs_clk;
 };
 
 static const struct gpio_rcar_info gpio_rcar_info_gen1 = {
 	.has_both_edge_trigger = false,
-	.needs_clk = false,
 };
 
 static const struct gpio_rcar_info gpio_rcar_info_gen2 = {
 	.has_both_edge_trigger = true,
-	.needs_clk = true,
 };
 
 static const struct of_device_id gpio_rcar_of_table[] = {
@@ -403,7 +395,6 @@ static int gpio_rcar_parse_dt(struct gpio_rcar_priv *p, unsigned int *npins)
 	ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, &args);
 	*npins = ret == 0 ? args.args[2] : RCAR_MAX_GPIO_PER_BANK;
 	p->has_both_edge_trigger = info->has_both_edge_trigger;
-	p->needs_clk = info->needs_clk;
 
 	if (*npins == 0 || *npins > RCAR_MAX_GPIO_PER_BANK) {
 		dev_warn(&p->pdev->dev,
@@ -440,16 +431,6 @@ static int gpio_rcar_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, p);
 
-	p->clk = devm_clk_get(dev, NULL);
-	if (IS_ERR(p->clk)) {
-		if (p->needs_clk) {
-			dev_err(dev, "unable to get clock\n");
-			ret = PTR_ERR(p->clk);
-			goto err0;
-		}
-		p->clk = NULL;
-	}
-
 	pm_runtime_enable(dev);
 
 	irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
@@ -531,11 +512,24 @@ static int gpio_rcar_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static int __maybe_unused gpio_rcar_suspend(struct device *dev)
+{
+	struct gpio_rcar_priv *p = dev_get_drvdata(dev);
+
+	if (atomic_read(&p->wakeup_path))
+		device_set_wakeup_path(dev);
+
+	return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(gpio_rcar_pm_ops, gpio_rcar_suspend, NULL);
+
 static struct platform_driver gpio_rcar_device_driver = {
 	.probe		= gpio_rcar_probe,
 	.remove		= gpio_rcar_remove,
 	.driver		= {
 		.name	= "gpio_rcar",
+		.pm     = &gpio_rcar_pm_ops,
 		.of_match_table = of_match_ptr(gpio_rcar_of_table),
 	}
 };
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 564bb7a31da4..84e5a9df2344 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -241,6 +241,19 @@ struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id,
 
 		desc = of_get_named_gpiod_flags(dev->of_node, prop_name, idx,
 						&of_flags);
+		/*
+		 * -EPROBE_DEFER in our case means that we found a
+		 * valid GPIO property, but no controller has been
+		 * registered so far.
+		 *
+		 * This means we don't need to look any further for
+		 * alternate name conventions, and we should really
+		 * preserve the return code for our user to be able to
+		 * retry probing later.
+		 */
+		if (IS_ERR(desc) && PTR_ERR(desc) == -EPROBE_DEFER)
+			return desc;
+
 		if (!IS_ERR(desc) || (PTR_ERR(desc) != -ENOENT))
 			break;
 	}
@@ -250,7 +263,7 @@ struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id,
 		desc = of_find_spi_gpio(dev, con_id, &of_flags);
 
 	/* Special handling for regulator GPIOs if used */
-	if (IS_ERR(desc))
+	if (IS_ERR(desc) && PTR_ERR(desc) != -EPROBE_DEFER)
 		desc = of_find_regulator_gpio(dev, con_id, &of_flags);
 
 	if (IS_ERR(desc))
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index d5a2eefd6c3e..74edba18b159 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1156,7 +1156,7 @@ static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
 /*
  * Writeback
  */
-#define AMDGPU_MAX_WB 512	/* Reserve at most 512 WB slots for amdgpu-owned rings. */
+#define AMDGPU_MAX_WB 128	/* Reserve at most 128 WB slots for amdgpu-owned rings. */
 
 struct amdgpu_wb {
 	struct amdgpu_bo	*wb_obj;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
index 57afad79f55d..8fa850a070e0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
@@ -540,6 +540,9 @@ int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
 	size_t size;
 	u32 retry = 3;
 
+	if (amdgpu_acpi_pcie_notify_device_ready(adev))
+		return -EINVAL;
+
 	/* Get the device handle */
 	handle = ACPI_HANDLE(&adev->pdev->dev);
 	if (!handle)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
index 74d2efaec52f..7a073ac5f9c6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
@@ -69,25 +69,18 @@ void amdgpu_connector_hotplug(struct drm_connector *connector)
 		/* don't do anything if sink is not display port, i.e.,
 		 * passive dp->(dvi|hdmi) adaptor
 		 */
-		if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
-			int saved_dpms = connector->dpms;
-			/* Only turn off the display if it's physically disconnected */
-			if (!amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd)) {
-				drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
-			} else if (amdgpu_atombios_dp_needs_link_train(amdgpu_connector)) {
-				/* Don't try to start link training before we
-				 * have the dpcd */
-				if (amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
-					return;
-
-				/* set it to OFF so that drm_helper_connector_dpms()
-				 * won't return immediately since the current state
-				 * is ON at this point.
-				 */
-				connector->dpms = DRM_MODE_DPMS_OFF;
-				drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
-			}
-			connector->dpms = saved_dpms;
+		if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
+		    amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd) &&
+		    amdgpu_atombios_dp_needs_link_train(amdgpu_connector)) {
+			/* Don't start link training before we have the DPCD */
+			if (amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
+				return;
+
+			/* Turn the connector off and back on immediately, which
+			 * will trigger link training
+			 */
+			drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
+			drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
 		}
 	}
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 00a50cc5ec9a..af1b879a9ee9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -492,7 +492,7 @@ static int amdgpu_device_wb_init(struct amdgpu_device *adev)
 		memset(&adev->wb.used, 0, sizeof(adev->wb.used));
 
 		/* clear wb memory */
-		memset((char *)adev->wb.wb, 0, AMDGPU_MAX_WB * sizeof(uint32_t));
+		memset((char *)adev->wb.wb, 0, AMDGPU_MAX_WB * sizeof(uint32_t) * 8);
 	}
 
 	return 0;
@@ -530,8 +530,9 @@ int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb)
  */
 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb)
 {
+	wb >>= 3;
 	if (wb < adev->wb.num_wb)
-		__clear_bit(wb >> 3, adev->wb.used);
+		__clear_bit(wb, adev->wb.used);
 }
 
 /**
@@ -1455,11 +1456,6 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev)
 	for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
 		if (!adev->ip_blocks[i].status.hw)
 			continue;
-		if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) {
-			amdgpu_free_static_csa(adev);
-			amdgpu_device_wb_fini(adev);
-			amdgpu_device_vram_scratch_fini(adev);
-		}
 
 		if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD &&
 			adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE) {
@@ -1486,6 +1482,13 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev)
 	for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
 		if (!adev->ip_blocks[i].status.sw)
 			continue;
+
+		if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) {
+			amdgpu_free_static_csa(adev);
+			amdgpu_device_wb_fini(adev);
+			amdgpu_device_vram_scratch_fini(adev);
+		}
+
 		r = adev->ip_blocks[i].version->funcs->sw_fini((void *)adev);
 		/* XXX handle errors */
 		if (r) {
@@ -2284,14 +2287,6 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon)
 				drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
 			}
 			drm_modeset_unlock_all(dev);
-		} else {
-			/*
-			 * There is no equivalent atomic helper to turn on
-			 * display, so we defined our own function for this,
-			 * once suspend resume is supported by the atomic
-			 * framework this will be reworked
-			 */
-			amdgpu_dm_display_resume(adev);
 		}
 	}
 
@@ -2726,7 +2721,6 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
 	if (amdgpu_device_has_dc_support(adev)) {
 		if (drm_atomic_helper_resume(adev->ddev, state))
 			dev_info(adev->dev, "drm resume failed:%d\n", r);
-		amdgpu_dm_display_resume(adev);
 	} else {
 		drm_helper_resume_force_mode(adev->ddev);
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index e48b4ec88c8c..ca6c931dabfa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -36,8 +36,6 @@ void amdgpu_gem_object_free(struct drm_gem_object *gobj)
 	struct amdgpu_bo *robj = gem_to_amdgpu_bo(gobj);
 
 	if (robj) {
-		if (robj->gem_base.import_attach)
-			drm_prime_gem_destroy(&robj->gem_base, robj->tbo.sg);
 		amdgpu_mn_unregister(robj);
 		amdgpu_bo_unref(&robj);
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
index e14ab34d8262..7c2be32c5aea 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
@@ -75,7 +75,7 @@ static int amdgpu_gtt_mgr_init(struct ttm_mem_type_manager *man,
 static int amdgpu_gtt_mgr_fini(struct ttm_mem_type_manager *man)
 {
 	struct amdgpu_gtt_mgr *mgr = man->priv;
-
+	spin_lock(&mgr->lock);
 	drm_mm_takedown(&mgr->mm);
 	spin_unlock(&mgr->lock);
 	kfree(mgr);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 56bcd59c3399..36483e0d3c97 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -257,7 +257,8 @@ int amdgpu_irq_init(struct amdgpu_device *adev)
 	r = drm_irq_install(adev->ddev, adev->ddev->pdev->irq);
 	if (r) {
 		adev->irq.installed = false;
-		flush_work(&adev->hotplug_work);
+		if (!amdgpu_device_has_dc_support(adev))
+			flush_work(&adev->hotplug_work);
 		cancel_work_sync(&adev->reset_work);
 		return r;
 	}
@@ -282,7 +283,8 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
 		adev->irq.installed = false;
 		if (adev->irq.msi_enabled)
 			pci_disable_msi(adev->pdev);
-		flush_work(&adev->hotplug_work);
+		if (!amdgpu_device_has_dc_support(adev))
+			flush_work(&adev->hotplug_work);
 		cancel_work_sync(&adev->reset_work);
 	}
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
index 54f06c959340..2264c5c97009 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
@@ -352,6 +352,7 @@ struct amdgpu_mode_info {
 	u16 firmware_flags;
 	/* pointer to backlight encoder */
 	struct amdgpu_encoder *bl_encoder;
+	u8 bl_level; /* saved backlight level */
 	struct amdgpu_audio	audio; /* audio stuff */
 	int			num_crtc; /* number of crtcs */
 	int			num_hpd; /* number of hpd pins */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 5c4c3e0d527b..1220322c1680 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -56,6 +56,8 @@ static void amdgpu_ttm_bo_destroy(struct ttm_buffer_object *tbo)
 
 	amdgpu_bo_kunmap(bo);
 
+	if (bo->gem_base.import_attach)
+		drm_prime_gem_destroy(&bo->gem_base, bo->tbo.sg);
 	drm_gem_object_release(&bo->gem_base);
 	amdgpu_bo_unref(&bo->parent);
 	if (!list_empty(&bo->shadow_list)) {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 13044e66dcaf..561d3312af32 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -481,7 +481,7 @@ static ssize_t amdgpu_debugfs_ring_read(struct file *f, char __user *buf,
 	result = 0;
 
 	if (*pos < 12) {
-		early[0] = amdgpu_ring_get_rptr(ring);
+		early[0] = amdgpu_ring_get_rptr(ring) & ring->buf_mask;
 		early[1] = amdgpu_ring_get_wptr(ring) & ring->buf_mask;
 		early[2] = ring->wptr & ring->buf_mask;
 		for (i = *pos / 4; i < 3 && size; i++) {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index b2eae86bf906..5c26a8e806b9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -299,12 +299,15 @@ int amdgpu_uvd_suspend(struct amdgpu_device *adev)
 
 	cancel_delayed_work_sync(&adev->uvd.idle_work);
 
-	for (i = 0; i < adev->uvd.max_handles; ++i)
-		if (atomic_read(&adev->uvd.handles[i]))
-			break;
+	/* only valid for physical mode */
+	if (adev->asic_type < CHIP_POLARIS10) {
+		for (i = 0; i < adev->uvd.max_handles; ++i)
+			if (atomic_read(&adev->uvd.handles[i]))
+				break;
 
-	if (i == AMDGPU_MAX_UVD_HANDLES)
-		return 0;
+		if (i == adev->uvd.max_handles)
+			return 0;
+	}
 
 	size = amdgpu_bo_size(adev->uvd.vcpu_bo);
 	ptr = adev->uvd.cpu_addr;
diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
index 2af26d2da127..d702fb8e3427 100644
--- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
+++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
@@ -34,7 +34,7 @@
 #include <linux/backlight.h>
 #include "bif/bif_4_1_d.h"
 
-static u8
+u8
 amdgpu_atombios_encoder_get_backlight_level_from_reg(struct amdgpu_device *adev)
 {
 	u8 backlight_level;
@@ -48,7 +48,7 @@ amdgpu_atombios_encoder_get_backlight_level_from_reg(struct amdgpu_device *adev)
 	return backlight_level;
 }
 
-static void
+void
 amdgpu_atombios_encoder_set_backlight_level_to_reg(struct amdgpu_device *adev,
 					    u8 backlight_level)
 {
diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.h b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.h
index 2bdec40515ce..f77cbdef679e 100644
--- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.h
+++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.h
@@ -25,6 +25,11 @@
 #define __ATOMBIOS_ENCODER_H__
 
 u8
+amdgpu_atombios_encoder_get_backlight_level_from_reg(struct amdgpu_device *adev);
+void
+amdgpu_atombios_encoder_set_backlight_level_to_reg(struct amdgpu_device *adev,
+						   u8 backlight_level);
+u8
 amdgpu_atombios_encoder_get_backlight_level(struct amdgpu_encoder *amdgpu_encoder);
 void
 amdgpu_atombios_encoder_set_backlight_level(struct amdgpu_encoder *amdgpu_encoder,
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
index f34bc68aadfb..022f303463fc 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
@@ -2921,6 +2921,11 @@ static int dce_v10_0_hw_fini(void *handle)
 
 static int dce_v10_0_suspend(void *handle)
 {
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	adev->mode_info.bl_level =
+		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
+
 	return dce_v10_0_hw_fini(handle);
 }
 
@@ -2929,6 +2934,9 @@ static int dce_v10_0_resume(void *handle)
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 	int ret;
 
+	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
+							   adev->mode_info.bl_level);
+
 	ret = dce_v10_0_hw_init(handle);
 
 	/* turn on the BL */
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
index 26378bd6aba4..800a9f36ab4f 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
@@ -3047,6 +3047,11 @@ static int dce_v11_0_hw_fini(void *handle)
 
 static int dce_v11_0_suspend(void *handle)
 {
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	adev->mode_info.bl_level =
+		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
+
 	return dce_v11_0_hw_fini(handle);
 }
 
@@ -3055,6 +3060,9 @@ static int dce_v11_0_resume(void *handle)
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 	int ret;
 
+	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
+							   adev->mode_info.bl_level);
+
 	ret = dce_v11_0_hw_init(handle);
 
 	/* turn on the BL */
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
index bd2c4f727df6..b8368f69ce1f 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
@@ -2787,6 +2787,11 @@ static int dce_v6_0_hw_fini(void *handle)
 
 static int dce_v6_0_suspend(void *handle)
 {
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	adev->mode_info.bl_level =
+		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
+
 	return dce_v6_0_hw_fini(handle);
 }
 
@@ -2795,6 +2800,9 @@ static int dce_v6_0_resume(void *handle)
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 	int ret;
 
+	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
+							   adev->mode_info.bl_level);
+
 	ret = dce_v6_0_hw_init(handle);
 
 	/* turn on the BL */
@@ -3093,7 +3101,7 @@ static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
 		tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
 		WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
 		schedule_work(&adev->hotplug_work);
-		DRM_INFO("IH: HPD%d\n", hpd + 1);
+		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
 	}
 
 	return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
index c008dc030687..012e0a9ae0ff 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
@@ -2819,6 +2819,11 @@ static int dce_v8_0_hw_fini(void *handle)
 
 static int dce_v8_0_suspend(void *handle)
 {
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	adev->mode_info.bl_level =
+		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
+
 	return dce_v8_0_hw_fini(handle);
 }
 
@@ -2827,6 +2832,9 @@ static int dce_v8_0_resume(void *handle)
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 	int ret;
 
+	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
+							   adev->mode_info.bl_level);
+
 	ret = dce_v8_0_hw_init(handle);
 
 	/* turn on the BL */
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index a066c5eda135..a4309698e76c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -4384,34 +4384,8 @@ static void gfx_v7_0_gpu_early_init(struct amdgpu_device *adev)
 	case CHIP_KAVERI:
 		adev->gfx.config.max_shader_engines = 1;
 		adev->gfx.config.max_tile_pipes = 4;
-		if ((adev->pdev->device == 0x1304) ||
-		    (adev->pdev->device == 0x1305) ||
-		    (adev->pdev->device == 0x130C) ||
-		    (adev->pdev->device == 0x130F) ||
-		    (adev->pdev->device == 0x1310) ||
-		    (adev->pdev->device == 0x1311) ||
-		    (adev->pdev->device == 0x131C)) {
-			adev->gfx.config.max_cu_per_sh = 8;
-			adev->gfx.config.max_backends_per_se = 2;
-		} else if ((adev->pdev->device == 0x1309) ||
-			   (adev->pdev->device == 0x130A) ||
-			   (adev->pdev->device == 0x130D) ||
-			   (adev->pdev->device == 0x1313) ||
-			   (adev->pdev->device == 0x131D)) {
-			adev->gfx.config.max_cu_per_sh = 6;
-			adev->gfx.config.max_backends_per_se = 2;
-		} else if ((adev->pdev->device == 0x1306) ||
-			   (adev->pdev->device == 0x1307) ||
-			   (adev->pdev->device == 0x130B) ||
-			   (adev->pdev->device == 0x130E) ||
-			   (adev->pdev->device == 0x1315) ||
-			   (adev->pdev->device == 0x131B)) {
-			adev->gfx.config.max_cu_per_sh = 4;
-			adev->gfx.config.max_backends_per_se = 1;
-		} else {
-			adev->gfx.config.max_cu_per_sh = 3;
-			adev->gfx.config.max_backends_per_se = 1;
-		}
+		adev->gfx.config.max_cu_per_sh = 8;
+		adev->gfx.config.max_backends_per_se = 2;
 		adev->gfx.config.max_sh_per_se = 1;
 		adev->gfx.config.max_texture_channel_caches = 4;
 		adev->gfx.config.max_gprs = 256;
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 2719937e09d6..3b7e7af09ead 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -634,7 +634,7 @@ static int gmc_v9_0_late_init(void *handle)
 	for(i = 0; i < AMDGPU_MAX_VMHUBS; ++i)
 		BUG_ON(vm_inv_eng[i] > 16);
 
-	if (adev->asic_type == CHIP_VEGA10) {
+	if (adev->asic_type == CHIP_VEGA10 && !amdgpu_sriov_vf(adev)) {
 		r = gmc_v9_0_ecc_available(adev);
 		if (r == 1) {
 			DRM_INFO("ECC is active.\n");
@@ -682,7 +682,10 @@ static int gmc_v9_0_mc_init(struct amdgpu_device *adev)
 	adev->mc.vram_width = amdgpu_atomfirmware_get_vram_width(adev);
 	if (!adev->mc.vram_width) {
 		/* hbm memory channel size */
-		chansize = 128;
+		if (adev->flags & AMD_IS_APU)
+			chansize = 64;
+		else
+			chansize = 128;
 
 		tmp = RREG32_SOC15(DF, 0, mmDF_CS_AON0_DramBaseAddress0);
 		tmp &= DF_CS_AON0_DramBaseAddress0__IntLvNumChan_MASK;
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index e92fb372bc99..91cf95a8c39c 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -238,31 +238,27 @@ static uint64_t sdma_v4_0_ring_get_rptr(struct amdgpu_ring *ring)
 static uint64_t sdma_v4_0_ring_get_wptr(struct amdgpu_ring *ring)
 {
 	struct amdgpu_device *adev = ring->adev;
-	u64 *wptr = NULL;
-	uint64_t local_wptr = 0;
+	u64 wptr;
 
 	if (ring->use_doorbell) {
 		/* XXX check if swapping is necessary on BE */
-		wptr = ((u64 *)&adev->wb.wb[ring->wptr_offs]);
-		DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", *wptr);
-		*wptr = (*wptr) >> 2;
-		DRM_DEBUG("wptr/doorbell after shift == 0x%016llx\n", *wptr);
+		wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs]));
+		DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr);
 	} else {
 		u32 lowbit, highbit;
 		int me = (ring == &adev->sdma.instance[0].ring) ? 0 : 1;
 
-		wptr = &local_wptr;
 		lowbit = RREG32(sdma_v4_0_get_reg_offset(adev, me, mmSDMA0_GFX_RB_WPTR)) >> 2;
 		highbit = RREG32(sdma_v4_0_get_reg_offset(adev, me, mmSDMA0_GFX_RB_WPTR_HI)) >> 2;
 
 		DRM_DEBUG("wptr [%i]high== 0x%08x low==0x%08x\n",
 				me, highbit, lowbit);
-		*wptr = highbit;
-		*wptr = (*wptr) << 32;
-		*wptr |= lowbit;
+		wptr = highbit;
+		wptr = wptr << 32;
+		wptr |= lowbit;
 	}
 
-	return *wptr;
+	return wptr >> 2;
 }
 
 /**
diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c
index 543101d5a5ed..2095173aaabf 100644
--- a/drivers/gpu/drm/amd/amdgpu/si.c
+++ b/drivers/gpu/drm/amd/amdgpu/si.c
@@ -31,6 +31,7 @@
 #include "amdgpu_uvd.h"
 #include "amdgpu_vce.h"
 #include "atom.h"
+#include "amd_pcie.h"
 #include "amdgpu_powerplay.h"
 #include "sid.h"
 #include "si_ih.h"
@@ -1461,8 +1462,8 @@ static void si_pcie_gen3_enable(struct amdgpu_device *adev)
 {
 	struct pci_dev *root = adev->pdev->bus->self;
 	int bridge_pos, gpu_pos;
-	u32 speed_cntl, mask, current_data_rate;
-	int ret, i;
+	u32 speed_cntl, current_data_rate;
+	int i;
 	u16 tmp16;
 
 	if (pci_is_root_bus(adev->pdev->bus))
@@ -1474,23 +1475,20 @@ static void si_pcie_gen3_enable(struct amdgpu_device *adev)
 	if (adev->flags & AMD_IS_APU)
 		return;
 
-	ret = drm_pcie_get_speed_cap_mask(adev->ddev, &mask);
-	if (ret != 0)
-		return;
-
-	if (!(mask & (DRM_PCIE_SPEED_50 | DRM_PCIE_SPEED_80)))
+	if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
+					CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
 		return;
 
 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
 	current_data_rate = (speed_cntl & LC_CURRENT_DATA_RATE_MASK) >>
 		LC_CURRENT_DATA_RATE_SHIFT;
-	if (mask & DRM_PCIE_SPEED_80) {
+	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) {
 		if (current_data_rate == 2) {
 			DRM_INFO("PCIE gen 3 link speeds already enabled\n");
 			return;
 		}
 		DRM_INFO("enabling PCIE gen 3 link speeds, disable with amdgpu.pcie_gen2=0\n");
-	} else if (mask & DRM_PCIE_SPEED_50) {
+	} else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2) {
 		if (current_data_rate == 1) {
 			DRM_INFO("PCIE gen 2 link speeds already enabled\n");
 			return;
@@ -1506,7 +1504,7 @@ static void si_pcie_gen3_enable(struct amdgpu_device *adev)
 	if (!gpu_pos)
 		return;
 
-	if (mask & DRM_PCIE_SPEED_80) {
+	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) {
 		if (current_data_rate != 2) {
 			u16 bridge_cfg, gpu_cfg;
 			u16 bridge_cfg2, gpu_cfg2;
@@ -1589,9 +1587,9 @@ static void si_pcie_gen3_enable(struct amdgpu_device *adev)
 
 	pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16);
 	tmp16 &= ~0xf;
-	if (mask & DRM_PCIE_SPEED_80)
+	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
 		tmp16 |= 3;
-	else if (mask & DRM_PCIE_SPEED_50)
+	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
 		tmp16 |= 2;
 	else
 		tmp16 |= 1;
diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
index ce675a7f179a..22f0b7ff3ac9 100644
--- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
@@ -26,6 +26,7 @@
 #include "amdgpu_pm.h"
 #include "amdgpu_dpm.h"
 #include "amdgpu_atombios.h"
+#include "amd_pcie.h"
 #include "sid.h"
 #include "r600_dpm.h"
 #include "si_dpm.h"
@@ -3331,29 +3332,6 @@ static void btc_apply_voltage_delta_rules(struct amdgpu_device *adev,
 	}
 }
 
-static enum amdgpu_pcie_gen r600_get_pcie_gen_support(struct amdgpu_device *adev,
-					       u32 sys_mask,
-					       enum amdgpu_pcie_gen asic_gen,
-					       enum amdgpu_pcie_gen default_gen)
-{
-	switch (asic_gen) {
-	case AMDGPU_PCIE_GEN1:
-		return AMDGPU_PCIE_GEN1;
-	case AMDGPU_PCIE_GEN2:
-		return AMDGPU_PCIE_GEN2;
-	case AMDGPU_PCIE_GEN3:
-		return AMDGPU_PCIE_GEN3;
-	default:
-		if ((sys_mask & DRM_PCIE_SPEED_80) && (default_gen == AMDGPU_PCIE_GEN3))
-			return AMDGPU_PCIE_GEN3;
-		else if ((sys_mask & DRM_PCIE_SPEED_50) && (default_gen == AMDGPU_PCIE_GEN2))
-			return AMDGPU_PCIE_GEN2;
-		else
-			return AMDGPU_PCIE_GEN1;
-	}
-	return AMDGPU_PCIE_GEN1;
-}
-
 static void r600_calculate_u_and_p(u32 i, u32 r_c, u32 p_b,
 			    u32 *p, u32 *u)
 {
@@ -5028,10 +5006,11 @@ static int si_populate_smc_acpi_state(struct amdgpu_device *adev,
 							      table->ACPIState.levels[0].vddc.index,
 							      &table->ACPIState.levels[0].std_vddc);
 		}
-		table->ACPIState.levels[0].gen2PCIE = (u8)r600_get_pcie_gen_support(adev,
-										    si_pi->sys_pcie_mask,
-										    si_pi->boot_pcie_gen,
-										    AMDGPU_PCIE_GEN1);
+		table->ACPIState.levels[0].gen2PCIE =
+			(u8)amdgpu_get_pcie_gen_support(adev,
+							si_pi->sys_pcie_mask,
+							si_pi->boot_pcie_gen,
+							AMDGPU_PCIE_GEN1);
 
 		if (si_pi->vddc_phase_shed_control)
 			si_populate_phase_shedding_value(adev,
@@ -7168,10 +7147,10 @@ static void si_parse_pplib_clock_info(struct amdgpu_device *adev,
 	pl->vddc = le16_to_cpu(clock_info->si.usVDDC);
 	pl->vddci = le16_to_cpu(clock_info->si.usVDDCI);
 	pl->flags = le32_to_cpu(clock_info->si.ulFlags);
-	pl->pcie_gen = r600_get_pcie_gen_support(adev,
-						 si_pi->sys_pcie_mask,
-						 si_pi->boot_pcie_gen,
-						 clock_info->si.ucPCIEGen);
+	pl->pcie_gen = amdgpu_get_pcie_gen_support(adev,
+						   si_pi->sys_pcie_mask,
+						   si_pi->boot_pcie_gen,
+						   clock_info->si.ucPCIEGen);
 
 	/* patch up vddc if necessary */
 	ret = si_get_leakage_voltage_from_leakage_index(adev, pl->vddc,
@@ -7326,7 +7305,6 @@ static int si_dpm_init(struct amdgpu_device *adev)
 	struct si_power_info *si_pi;
 	struct atom_clock_dividers dividers;
 	int ret;
-	u32 mask;
 
 	si_pi = kzalloc(sizeof(struct si_power_info), GFP_KERNEL);
 	if (si_pi == NULL)
@@ -7336,11 +7314,9 @@ static int si_dpm_init(struct amdgpu_device *adev)
 	eg_pi = &ni_pi->eg;
 	pi = &eg_pi->rv7xx;
 
-	ret = drm_pcie_get_speed_cap_mask(adev->ddev, &mask);
-	if (ret)
-		si_pi->sys_pcie_mask = 0;
-	else
-		si_pi->sys_pcie_mask = mask;
+	si_pi->sys_pcie_mask =
+		(adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_MASK) >>
+		CAIL_PCIE_LINK_SPEED_SUPPORT_SHIFT;
 	si_pi->force_pcie_gen = AMDGPU_PCIE_GEN_INVALID;
 	si_pi->boot_pcie_gen = si_get_current_pcie_speed(adev);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index b2bfedaf57f1..9bab4842cd44 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -1618,7 +1618,7 @@ static const struct amdgpu_ring_funcs uvd_v6_0_enc_ring_vm_funcs = {
 	.set_wptr = uvd_v6_0_enc_ring_set_wptr,
 	.emit_frame_size =
 		4 + /* uvd_v6_0_enc_ring_emit_pipeline_sync */
-		6 + /* uvd_v6_0_enc_ring_emit_vm_flush */
+		5 + /* uvd_v6_0_enc_ring_emit_vm_flush */
 		5 + 5 + /* uvd_v6_0_enc_ring_emit_fence x2 vm fence */
 		1, /* uvd_v6_0_enc_ring_insert_end */
 	.emit_ib_size = 5, /* uvd_v6_0_enc_ring_emit_ib */
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 1ce4c98385e3..c345e645f1d7 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -629,11 +629,13 @@ static int dm_resume(void *handle)
 {
 	struct amdgpu_device *adev = handle;
 	struct amdgpu_display_manager *dm = &adev->dm;
+	int ret = 0;
 
 	/* power on hardware */
 	dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D0);
 
-	return 0;
+	ret = amdgpu_dm_display_resume(adev);
+	return ret;
 }
 
 int amdgpu_dm_display_resume(struct amdgpu_device *adev)
@@ -1035,6 +1037,10 @@ static void handle_hpd_rx_irq(void *param)
 			!is_mst_root_connector) {
 		/* Downstream Port status changed. */
 		if (dc_link_detect(dc_link, DETECT_REASON_HPDRX)) {
+
+			if (aconnector->fake_enable)
+				aconnector->fake_enable = false;
+
 			amdgpu_dm_update_connector_after_detect(aconnector);
 
 
@@ -2010,30 +2016,32 @@ static void update_stream_scaling_settings(const struct drm_display_mode *mode,
 	dst.width = stream->timing.h_addressable;
 	dst.height = stream->timing.v_addressable;
 
-	rmx_type = dm_state->scaling;
-	if (rmx_type == RMX_ASPECT || rmx_type == RMX_OFF) {
-		if (src.width * dst.height <
-				src.height * dst.width) {
-			/* height needs less upscaling/more downscaling */
-			dst.width = src.width *
-					dst.height / src.height;
-		} else {
-			/* width needs less upscaling/more downscaling */
-			dst.height = src.height *
-					dst.width / src.width;
+	if (dm_state) {
+		rmx_type = dm_state->scaling;
+		if (rmx_type == RMX_ASPECT || rmx_type == RMX_OFF) {
+			if (src.width * dst.height <
+					src.height * dst.width) {
+				/* height needs less upscaling/more downscaling */
+				dst.width = src.width *
+						dst.height / src.height;
+			} else {
+				/* width needs less upscaling/more downscaling */
+				dst.height = src.height *
+						dst.width / src.width;
+			}
+		} else if (rmx_type == RMX_CENTER) {
+			dst = src;
 		}
-	} else if (rmx_type == RMX_CENTER) {
-		dst = src;
-	}
 
-	dst.x = (stream->timing.h_addressable - dst.width) / 2;
-	dst.y = (stream->timing.v_addressable - dst.height) / 2;
+		dst.x = (stream->timing.h_addressable - dst.width) / 2;
+		dst.y = (stream->timing.v_addressable - dst.height) / 2;
 
-	if (dm_state->underscan_enable) {
-		dst.x += dm_state->underscan_hborder / 2;
-		dst.y += dm_state->underscan_vborder / 2;
-		dst.width -= dm_state->underscan_hborder;
-		dst.height -= dm_state->underscan_vborder;
+		if (dm_state->underscan_enable) {
+			dst.x += dm_state->underscan_hborder / 2;
+			dst.y += dm_state->underscan_vborder / 2;
+			dst.width -= dm_state->underscan_hborder;
+			dst.height -= dm_state->underscan_vborder;
+		}
 	}
 
 	stream->src = src;
@@ -2358,12 +2366,7 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
 
 	if (aconnector == NULL) {
 		DRM_ERROR("aconnector is NULL!\n");
-		goto drm_connector_null;
-	}
-
-	if (dm_state == NULL) {
-		DRM_ERROR("dm_state is NULL!\n");
-		goto dm_state_null;
+		return stream;
 	}
 
 	drm_connector = &aconnector->base;
@@ -2375,18 +2378,18 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
 		 */
 		if (aconnector->mst_port) {
 			dm_dp_mst_dc_sink_create(drm_connector);
-			goto mst_dc_sink_create_done;
+			return stream;
 		}
 
 		if (create_fake_sink(aconnector))
-			goto stream_create_fail;
+			return stream;
 	}
 
 	stream = dc_create_stream_for_sink(aconnector->dc_sink);
 
 	if (stream == NULL) {
 		DRM_ERROR("Failed to create stream for sink!\n");
-		goto stream_create_fail;
+		return stream;
 	}
 
 	list_for_each_entry(preferred_mode, &aconnector->base.modes, head) {
@@ -2412,9 +2415,12 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
 	} else {
 		decide_crtc_timing_for_drm_display_mode(
 				&mode, preferred_mode,
-				dm_state->scaling != RMX_OFF);
+				dm_state ? (dm_state->scaling != RMX_OFF) : false);
 	}
 
+	if (!dm_state)
+		drm_mode_set_crtcinfo(&mode, 0);
+
 	fill_stream_properties_from_drm_display_mode(stream,
 			&mode, &aconnector->base);
 	update_stream_scaling_settings(&mode, dm_state, stream);
@@ -2424,10 +2430,8 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
 		drm_connector,
 		aconnector->dc_sink);
 
-stream_create_fail:
-dm_state_null:
-drm_connector_null:
-mst_dc_sink_create_done:
+	update_stream_signal(stream);
+
 	return stream;
 }
 
@@ -2495,6 +2499,27 @@ dm_crtc_duplicate_state(struct drm_crtc *crtc)
 	return &state->base;
 }
 
+
+static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable)
+{
+	enum dc_irq_source irq_source;
+	struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
+	struct amdgpu_device *adev = crtc->dev->dev_private;
+
+	irq_source = IRQ_TYPE_VBLANK + acrtc->otg_inst;
+	return dc_interrupt_set(adev->dm.dc, irq_source, enable) ? 0 : -EBUSY;
+}
+
+static int dm_enable_vblank(struct drm_crtc *crtc)
+{
+	return dm_set_vblank(crtc, true);
+}
+
+static void dm_disable_vblank(struct drm_crtc *crtc)
+{
+	dm_set_vblank(crtc, false);
+}
+
 /* Implemented only the options currently availible for the driver */
 static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = {
 	.reset = dm_crtc_reset_state,
@@ -2504,6 +2529,8 @@ static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = {
 	.page_flip = drm_atomic_helper_page_flip,
 	.atomic_duplicate_state = dm_crtc_duplicate_state,
 	.atomic_destroy_state = dm_crtc_destroy_state,
+	.enable_vblank = dm_enable_vblank,
+	.disable_vblank = dm_disable_vblank,
 };
 
 static enum drm_connector_status
@@ -2798,7 +2825,7 @@ int amdgpu_dm_connector_mode_valid(struct drm_connector *connector,
 		goto fail;
 	}
 
-	stream = dc_create_stream_for_sink(dc_sink);
+	stream = create_stream_for_sink(aconnector, mode, NULL);
 	if (stream == NULL) {
 		DRM_ERROR("Failed to create stream for sink!\n");
 		goto fail;
@@ -3058,6 +3085,9 @@ static int dm_plane_atomic_check(struct drm_plane *plane,
 	if (!dm_plane_state->dc_state)
 		return 0;
 
+	if (!fill_rects_from_plane_state(state, dm_plane_state->dc_state))
+		return -EINVAL;
+
 	if (dc_validate_plane(dc, dm_plane_state->dc_state) == DC_OK)
 		return 0;
 
@@ -4630,8 +4660,6 @@ static int dm_update_planes_state(struct dc *dc,
 	bool pflip_needed  = !state->allow_modeset;
 	int ret = 0;
 
-	if (pflip_needed)
-		return ret;
 
 	/* Add new planes */
 	for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) {
@@ -4646,6 +4674,8 @@ static int dm_update_planes_state(struct dc *dc,
 
 		/* Remove any changed/removed planes */
 		if (!enable) {
+			if (pflip_needed)
+				continue;
 
 			if (!old_plane_crtc)
 				continue;
@@ -4677,6 +4707,7 @@ static int dm_update_planes_state(struct dc *dc,
 			*lock_and_validation_needed = true;
 
 		} else { /* Add new planes */
+			struct dc_plane_state *dc_new_plane_state;
 
 			if (drm_atomic_plane_disabling(plane->state, new_plane_state))
 				continue;
@@ -4690,38 +4721,50 @@ static int dm_update_planes_state(struct dc *dc,
 			if (!dm_new_crtc_state->stream)
 				continue;
 
+			if (pflip_needed)
+				continue;
 
 			WARN_ON(dm_new_plane_state->dc_state);
 
-			dm_new_plane_state->dc_state = dc_create_plane_state(dc);
-
-			DRM_DEBUG_DRIVER("Enabling DRM plane: %d on DRM crtc %d\n",
-					plane->base.id, new_plane_crtc->base.id);
-
-			if (!dm_new_plane_state->dc_state) {
+			dc_new_plane_state = dc_create_plane_state(dc);
+			if (!dc_new_plane_state) {
 				ret = -EINVAL;
 				return ret;
 			}
 
+			DRM_DEBUG_DRIVER("Enabling DRM plane: %d on DRM crtc %d\n",
+					plane->base.id, new_plane_crtc->base.id);
+
 			ret = fill_plane_attributes(
 				new_plane_crtc->dev->dev_private,
-				dm_new_plane_state->dc_state,
+				dc_new_plane_state,
 				new_plane_state,
 				new_crtc_state);
-			if (ret)
+			if (ret) {
+				dc_plane_state_release(dc_new_plane_state);
 				return ret;
+			}
 
-
+			/*
+			 * Any atomic check errors that occur after this will
+			 * not need a release. The plane state will be attached
+			 * to the stream, and therefore part of the atomic
+			 * state. It'll be released when the atomic state is
+			 * cleaned.
+			 */
 			if (!dc_add_plane_to_context(
 					dc,
 					dm_new_crtc_state->stream,
-					dm_new_plane_state->dc_state,
+					dc_new_plane_state,
 					dm_state->context)) {
 
+				dc_plane_state_release(dc_new_plane_state);
 				ret = -EINVAL;
 				return ret;
 			}
 
+			dm_new_plane_state->dc_state = dc_new_plane_state;
+
 			/* Tell DC to do a full surface update every time there
 			 * is a plane change. Inefficient, but works for now.
 			 */
@@ -4735,6 +4778,30 @@ static int dm_update_planes_state(struct dc *dc,
 	return ret;
 }
 
+static int dm_atomic_check_plane_state_fb(struct drm_atomic_state *state,
+					  struct drm_crtc *crtc)
+{
+	struct drm_plane *plane;
+	struct drm_crtc_state *crtc_state;
+
+	WARN_ON(!drm_atomic_get_new_crtc_state(state, crtc));
+
+	drm_for_each_plane_mask(plane, state->dev, crtc->state->plane_mask) {
+		struct drm_plane_state *plane_state =
+			drm_atomic_get_plane_state(state, plane);
+
+		if (IS_ERR(plane_state))
+			return -EDEADLK;
+
+		crtc_state = drm_atomic_get_crtc_state(plane_state->state, crtc);
+		if (crtc->primary == plane && crtc_state->active) {
+			if (!plane_state->fb)
+				return -EINVAL;
+		}
+	}
+	return 0;
+}
+
 static int amdgpu_dm_atomic_check(struct drm_device *dev,
 				  struct drm_atomic_state *state)
 {
@@ -4758,6 +4825,10 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
 		goto fail;
 
 	for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
+		ret = dm_atomic_check_plane_state_fb(state, crtc);
+		if (ret)
+			goto fail;
+
 		if (!drm_atomic_crtc_needs_modeset(new_crtc_state) &&
 		    !new_crtc_state->color_mgmt_changed)
 			continue;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
index 1874b6cee6af..422055080df4 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
@@ -683,10 +683,8 @@ static const struct amdgpu_irq_src_funcs dm_hpd_irq_funcs = {
 
 void amdgpu_dm_set_irq_funcs(struct amdgpu_device *adev)
 {
-	if (adev->mode_info.num_crtc > 0)
-		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
-	else
-		adev->crtc_irq.num_types = 0;
+
+	adev->crtc_irq.num_types = adev->mode_info.num_crtc;
 	adev->crtc_irq.funcs = &dm_crtc_irq_funcs;
 
 	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index f3d87f418d2e..93421dad21bd 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -189,6 +189,12 @@ void dm_dp_mst_dc_sink_create(struct drm_connector *connector)
 			.link = aconnector->dc_link,
 			.sink_signal = SIGNAL_TYPE_DISPLAY_PORT_MST };
 
+	/*
+	 * TODO: Need to further figure out why ddc.algo is NULL while MST port exists
+	 */
+	if (!aconnector->port || !aconnector->port->aux.ddc.algo)
+		return;
+
 	edid = drm_dp_mst_get_edid(connector, &aconnector->mst_port->mst_mgr, aconnector->port);
 
 	if (!edid) {
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 35e84ed031de..12868c769606 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1358,13 +1358,13 @@ enum dc_irq_source dc_interrupt_to_irq_source(
 	return dal_irq_service_to_irq_source(dc->res_pool->irqs, src_id, ext_id);
 }
 
-void dc_interrupt_set(struct dc *dc, enum dc_irq_source src, bool enable)
+bool dc_interrupt_set(struct dc *dc, enum dc_irq_source src, bool enable)
 {
 
 	if (dc == NULL)
-		return;
+		return false;
 
-	dal_irq_service_set(dc->res_pool->irqs, src, enable);
+	return dal_irq_service_set(dc->res_pool->irqs, src, enable);
 }
 
 void dc_interrupt_ack(struct dc *dc, enum dc_irq_source src)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index a37428271573..be5546181fa8 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -1749,8 +1749,7 @@ static void enable_link_hdmi(struct pipe_ctx *pipe_ctx)
 			link->link_enc,
 			pipe_ctx->clock_source->id,
 			display_color_depth,
-			pipe_ctx->stream->signal == SIGNAL_TYPE_HDMI_TYPE_A,
-			pipe_ctx->stream->signal == SIGNAL_TYPE_DVI_DUAL_LINK,
+			pipe_ctx->stream->signal,
 			stream->phy_pix_clk);
 
 	if (pipe_ctx->stream->signal == SIGNAL_TYPE_HDMI_TYPE_A)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index 33d91e4474ea..639421a00ab6 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -1465,7 +1465,7 @@ void decide_link_settings(struct dc_stream_state *stream,
 	/* MST doesn't perform link training for now
 	 * TODO: add MST specific link training routine
 	 */
-	if (is_mst_supported(link)) {
+	if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
 		*link_setting = link->verified_link_cap;
 		return;
 	}
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 95b8dd0e53c6..4d07ffebfd31 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1360,9 +1360,6 @@ bool dc_is_stream_scaling_unchanged(
 	return true;
 }
 
-/* Maximum TMDS single link pixel clock 165MHz */
-#define TMDS_MAX_PIXEL_CLOCK_IN_KHZ 165000
-
 static void update_stream_engine_usage(
 		struct resource_context *res_ctx,
 		const struct resource_pool *pool,
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
index 261811e0c094..cd5819789d76 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -33,8 +33,7 @@
 /*******************************************************************************
  * Private functions
  ******************************************************************************/
-#define TMDS_MAX_PIXEL_CLOCK_IN_KHZ_UPMOST 297000
-static void update_stream_signal(struct dc_stream_state *stream)
+void update_stream_signal(struct dc_stream_state *stream)
 {
 
 	struct dc_sink *dc_sink = stream->sink;
@@ -45,8 +44,9 @@ static void update_stream_signal(struct dc_stream_state *stream)
 		stream->signal = dc_sink->sink_signal;
 
 	if (dc_is_dvi_signal(stream->signal)) {
-		if (stream->timing.pix_clk_khz > TMDS_MAX_PIXEL_CLOCK_IN_KHZ_UPMOST &&
-			stream->sink->sink_signal != SIGNAL_TYPE_DVI_SINGLE_LINK)
+		if (stream->ctx->dc->caps.dual_link_dvi &&
+		    stream->timing.pix_clk_khz > TMDS_MAX_PIXEL_CLOCK &&
+		    stream->sink->sink_signal != SIGNAL_TYPE_DVI_SINGLE_LINK)
 			stream->signal = SIGNAL_TYPE_DVI_DUAL_LINK;
 		else
 			stream->signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
@@ -193,44 +193,20 @@ bool dc_stream_set_cursor_attributes(
 
 	core_dc = stream->ctx->dc;
 	res_ctx = &core_dc->current_state->res_ctx;
+	stream->cursor_attributes = *attributes;
 
 	for (i = 0; i < MAX_PIPES; i++) {
 		struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
 
-		if (pipe_ctx->stream != stream || (!pipe_ctx->plane_res.xfm && !pipe_ctx->plane_res.dpp))
+		if (pipe_ctx->stream != stream || (!pipe_ctx->plane_res.xfm &&
+		    !pipe_ctx->plane_res.dpp) || !pipe_ctx->plane_res.ipp)
 			continue;
 		if (pipe_ctx->top_pipe && pipe_ctx->plane_state != pipe_ctx->top_pipe->plane_state)
 			continue;
 
 
-		if (pipe_ctx->plane_res.ipp->funcs->ipp_cursor_set_attributes != NULL)
-			pipe_ctx->plane_res.ipp->funcs->ipp_cursor_set_attributes(
-						pipe_ctx->plane_res.ipp, attributes);
-
-		if (pipe_ctx->plane_res.hubp != NULL &&
-				pipe_ctx->plane_res.hubp->funcs->set_cursor_attributes != NULL)
-			pipe_ctx->plane_res.hubp->funcs->set_cursor_attributes(
-					pipe_ctx->plane_res.hubp, attributes);
-
-		if (pipe_ctx->plane_res.mi != NULL &&
-				pipe_ctx->plane_res.mi->funcs->set_cursor_attributes != NULL)
-			pipe_ctx->plane_res.mi->funcs->set_cursor_attributes(
-					pipe_ctx->plane_res.mi, attributes);
-
-
-		if (pipe_ctx->plane_res.xfm != NULL &&
-				pipe_ctx->plane_res.xfm->funcs->set_cursor_attributes != NULL)
-			pipe_ctx->plane_res.xfm->funcs->set_cursor_attributes(
-				pipe_ctx->plane_res.xfm, attributes);
-
-		if (pipe_ctx->plane_res.dpp != NULL &&
-				pipe_ctx->plane_res.dpp->funcs->set_cursor_attributes != NULL)
-			pipe_ctx->plane_res.dpp->funcs->set_cursor_attributes(
-				pipe_ctx->plane_res.dpp, attributes->color_format);
+		core_dc->hwss.set_cursor_attribute(pipe_ctx);
 	}
-
-	stream->cursor_attributes = *attributes;
-
 	return true;
 }
 
@@ -254,55 +230,21 @@ bool dc_stream_set_cursor_position(
 
 	core_dc = stream->ctx->dc;
 	res_ctx = &core_dc->current_state->res_ctx;
+	stream->cursor_position = *position;
 
 	for (i = 0; i < MAX_PIPES; i++) {
 		struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
-		struct input_pixel_processor *ipp = pipe_ctx->plane_res.ipp;
-		struct mem_input *mi = pipe_ctx->plane_res.mi;
-		struct hubp *hubp = pipe_ctx->plane_res.hubp;
-		struct dpp *dpp = pipe_ctx->plane_res.dpp;
-		struct dc_cursor_position pos_cpy = *position;
-		struct dc_cursor_mi_param param = {
-			.pixel_clk_khz = stream->timing.pix_clk_khz,
-			.ref_clk_khz = core_dc->res_pool->ref_clock_inKhz,
-			.viewport_x_start = pipe_ctx->plane_res.scl_data.viewport.x,
-			.viewport_width = pipe_ctx->plane_res.scl_data.viewport.width,
-			.h_scale_ratio = pipe_ctx->plane_res.scl_data.ratios.horz
-		};
 
 		if (pipe_ctx->stream != stream ||
 				(!pipe_ctx->plane_res.mi  && !pipe_ctx->plane_res.hubp) ||
 				!pipe_ctx->plane_state ||
-				(!pipe_ctx->plane_res.xfm && !pipe_ctx->plane_res.dpp))
-			continue;
-
-		if (pipe_ctx->plane_state->address.type
-				== PLN_ADDR_TYPE_VIDEO_PROGRESSIVE)
-			pos_cpy.enable = false;
-
-		if (pipe_ctx->top_pipe && pipe_ctx->plane_state != pipe_ctx->top_pipe->plane_state)
-			pos_cpy.enable = false;
-
-
-		if (ipp != NULL && ipp->funcs->ipp_cursor_set_position != NULL)
-			ipp->funcs->ipp_cursor_set_position(ipp, &pos_cpy, &param);
-
-		if (mi != NULL && mi->funcs->set_cursor_position != NULL)
-			mi->funcs->set_cursor_position(mi, &pos_cpy, &param);
-
-		if (!hubp)
+				(!pipe_ctx->plane_res.xfm && !pipe_ctx->plane_res.dpp) ||
+				!pipe_ctx->plane_res.ipp)
 			continue;
 
-		if (hubp->funcs->set_cursor_position != NULL)
-			hubp->funcs->set_cursor_position(hubp, &pos_cpy, &param);
-
-		if (dpp != NULL && dpp->funcs->set_cursor_position != NULL)
-			dpp->funcs->set_cursor_position(dpp, &pos_cpy, &param, hubp->curs_attr.width);
-
+		core_dc->hwss.set_cursor_position(pipe_ctx);
 	}
 
-	stream->cursor_position = *position;
-
 	return true;
 }
 
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index e2e3c9df79ea..d6d56611604e 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -62,6 +62,7 @@ struct dc_caps {
 	bool dcc_const_color;
 	bool dynamic_audio;
 	bool is_apu;
+	bool dual_link_dvi;
 };
 
 struct dc_dcc_surface_param {
@@ -672,7 +673,7 @@ enum dc_irq_source dc_interrupt_to_irq_source(
 		struct dc *dc,
 		uint32_t src_id,
 		uint32_t ext_id);
-void dc_interrupt_set(struct dc *dc, enum dc_irq_source src, bool enable);
+bool dc_interrupt_set(struct dc *dc, enum dc_irq_source src, bool enable);
 void dc_interrupt_ack(struct dc *dc, enum dc_irq_source src);
 enum dc_irq_source dc_get_hpd_irq_source_at_index(
 		struct dc *dc, uint32_t link_index);
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index 01c60f11b2bd..456e4d29eadd 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -237,6 +237,8 @@ enum surface_update_type dc_check_update_surfaces_for_stream(
  */
 struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink);
 
+void update_stream_signal(struct dc_stream_state *stream);
+
 void dc_stream_retain(struct dc_stream_state *dc_stream);
 void dc_stream_release(struct dc_stream_state *dc_stream);
 
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h b/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h
index b73db9e78437..a993279a8f2d 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h
@@ -236,6 +236,7 @@
 	SR(D2VGA_CONTROL), \
 	SR(D3VGA_CONTROL), \
 	SR(D4VGA_CONTROL), \
+	SR(VGA_TEST_CONTROL), \
 	SR(DC_IP_REQUEST_CNTL), \
 	BL_REG_LIST()
 
@@ -337,6 +338,7 @@ struct dce_hwseq_registers {
 	uint32_t D2VGA_CONTROL;
 	uint32_t D3VGA_CONTROL;
 	uint32_t D4VGA_CONTROL;
+	uint32_t VGA_TEST_CONTROL;
 	/* MMHUB registers. read only. temporary hack */
 	uint32_t VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32;
 	uint32_t VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
@@ -493,6 +495,9 @@ struct dce_hwseq_registers {
 	HWS_SF(, DOMAIN6_PG_STATUS, DOMAIN6_PGFSM_PWR_STATUS, mask_sh), \
 	HWS_SF(, DOMAIN7_PG_STATUS, DOMAIN7_PGFSM_PWR_STATUS, mask_sh), \
 	HWS_SF(, DC_IP_REQUEST_CNTL, IP_REQUEST_EN, mask_sh), \
+	HWS_SF(, D1VGA_CONTROL, D1VGA_MODE_ENABLE, mask_sh),\
+	HWS_SF(, VGA_TEST_CONTROL, VGA_TEST_ENABLE, mask_sh),\
+	HWS_SF(, VGA_TEST_CONTROL, VGA_TEST_RENDER_START, mask_sh),\
 	HWS_SF(, LVTMA_PWRSEQ_CNTL, LVTMA_BLON, mask_sh), \
 	HWS_SF(, LVTMA_PWRSEQ_STATE, LVTMA_PWRSEQ_TARGET_STATE_R, mask_sh)
 
@@ -583,7 +588,10 @@ struct dce_hwseq_registers {
 	type DCFCLK_GATE_DIS; \
 	type DCHUBBUB_GLOBAL_TIMER_REFDIV; \
 	type DENTIST_DPPCLK_WDIVIDER; \
-	type DENTIST_DISPCLK_WDIVIDER;
+	type DENTIST_DISPCLK_WDIVIDER; \
+	type VGA_TEST_ENABLE; \
+	type VGA_TEST_RENDER_START; \
+	type D1VGA_MODE_ENABLE;
 
 struct dce_hwseq_shift {
 	HWSEQ_REG_FIELD_LIST(uint8_t)
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
index a266e3f5e75f..e4741f1a2b01 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
@@ -82,13 +82,6 @@
 #define DCE110_DIG_FE_SOURCE_SELECT_DIGF 0x20
 #define DCE110_DIG_FE_SOURCE_SELECT_DIGG 0x40
 
-/* Minimum pixel clock, in KHz. For TMDS signal is 25.00 MHz */
-#define TMDS_MIN_PIXEL_CLOCK 25000
-/* Maximum pixel clock, in KHz. For TMDS signal is 165.00 MHz */
-#define TMDS_MAX_PIXEL_CLOCK 165000
-/* For current ASICs pixel clock - 600MHz */
-#define MAX_ENCODER_CLOCK 600000
-
 enum {
 	DP_MST_UPDATE_MAX_RETRY = 50
 };
@@ -683,6 +676,7 @@ void dce110_link_encoder_construct(
 {
 	struct bp_encoder_cap_info bp_cap_info = {0};
 	const struct dc_vbios_funcs *bp_funcs = init_data->ctx->dc_bios->funcs;
+	enum bp_result result = BP_RESULT_OK;
 
 	enc110->base.funcs = &dce110_lnk_enc_funcs;
 	enc110->base.ctx = init_data->ctx;
@@ -757,15 +751,24 @@ void dce110_link_encoder_construct(
 		enc110->base.preferred_engine = ENGINE_ID_UNKNOWN;
 	}
 
+	/* default to one to mirror Windows behavior */
+	enc110->base.features.flags.bits.HDMI_6GB_EN = 1;
+
+	result = bp_funcs->get_encoder_cap_info(enc110->base.ctx->dc_bios,
+						enc110->base.id, &bp_cap_info);
+
 	/* Override features with DCE-specific values */
-	if (BP_RESULT_OK == bp_funcs->get_encoder_cap_info(
-			enc110->base.ctx->dc_bios, enc110->base.id,
-			&bp_cap_info)) {
+	if (BP_RESULT_OK == result) {
 		enc110->base.features.flags.bits.IS_HBR2_CAPABLE =
 				bp_cap_info.DP_HBR2_EN;
 		enc110->base.features.flags.bits.IS_HBR3_CAPABLE =
 				bp_cap_info.DP_HBR3_EN;
 		enc110->base.features.flags.bits.HDMI_6GB_EN = bp_cap_info.HDMI_6GB_EN;
+	} else {
+		dm_logger_write(enc110->base.ctx->logger, LOG_WARNING,
+				"%s: Failed to get encoder_cap_info from VBIOS with error code %d!\n",
+				__func__,
+				result);
 	}
 }
 
@@ -904,8 +907,7 @@ void dce110_link_encoder_enable_tmds_output(
 	struct link_encoder *enc,
 	enum clock_source_id clock_source,
 	enum dc_color_depth color_depth,
-	bool hdmi,
-	bool dual_link,
+	enum signal_type signal,
 	uint32_t pixel_clock)
 {
 	struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
@@ -919,16 +921,12 @@ void dce110_link_encoder_enable_tmds_output(
 	cntl.engine_id = enc->preferred_engine;
 	cntl.transmitter = enc110->base.transmitter;
 	cntl.pll_id = clock_source;
-	if (hdmi) {
-		cntl.signal = SIGNAL_TYPE_HDMI_TYPE_A;
-		cntl.lanes_number = 4;
-	} else if (dual_link) {
-		cntl.signal = SIGNAL_TYPE_DVI_DUAL_LINK;
+	cntl.signal = signal;
+	if (cntl.signal == SIGNAL_TYPE_DVI_DUAL_LINK)
 		cntl.lanes_number = 8;
-	} else {
-		cntl.signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
+	else
 		cntl.lanes_number = 4;
-	}
+
 	cntl.hpd_sel = enc110->base.hpd_source;
 
 	cntl.pixel_clock = pixel_clock;
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.h b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.h
index 8ca9afe47a2b..0ec3433d34b6 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.h
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.h
@@ -210,8 +210,7 @@ void dce110_link_encoder_enable_tmds_output(
 	struct link_encoder *enc,
 	enum clock_source_id clock_source,
 	enum dc_color_depth color_depth,
-	bool hdmi,
-	bool dual_link,
+	enum signal_type signal,
 	uint32_t pixel_clock);
 
 /* enables DP PHY output */
diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
index 3ea43e2a9450..442dd2d93618 100644
--- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
@@ -852,6 +852,7 @@ static bool construct(
 	dc->caps.max_downscale_ratio = 200;
 	dc->caps.i2c_speed_in_khz = 40;
 	dc->caps.max_cursor_size = 128;
+	dc->caps.dual_link_dvi = true;
 
 	for (i = 0; i < pool->base.pipe_count; i++) {
 		pool->base.timing_generators[i] =
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index 86cdd7b4811f..6f382a3ac90f 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -688,15 +688,22 @@ void dce110_enable_stream(struct pipe_ctx *pipe_ctx)
 	struct dc_crtc_timing *timing = &pipe_ctx->stream->timing;
 	struct dc_link *link = pipe_ctx->stream->sink->link;
 
-	/* 1. update AVI info frame (HDMI, DP)
-	 * we always need to update info frame
-	*/
+
 	uint32_t active_total_with_borders;
 	uint32_t early_control = 0;
 	struct timing_generator *tg = pipe_ctx->stream_res.tg;
 
-	/* TODOFPGA may change to hwss.update_info_frame */
+	/* For MST, there are multiply stream go to only one link.
+	 * connect DIG back_end to front_end while enable_stream and
+	 * disconnect them during disable_stream
+	 * BY this, it is logic clean to separate stream and link */
+	link->link_enc->funcs->connect_dig_be_to_fe(link->link_enc,
+						    pipe_ctx->stream_res.stream_enc->id, true);
+
+	/* update AVI info frame (HDMI, DP)*/
+	/* TODO: FPGA may change to hwss.update_info_frame */
 	dce110_update_info_frame(pipe_ctx);
+
 	/* enable early control to avoid corruption on DP monitor*/
 	active_total_with_borders =
 			timing->h_addressable
@@ -717,12 +724,8 @@ void dce110_enable_stream(struct pipe_ctx *pipe_ctx)
 			pipe_ctx->stream_res.stream_enc->funcs->dp_audio_enable(pipe_ctx->stream_res.stream_enc);
 	}
 
-	/* For MST, there are multiply stream go to only one link.
-	 * connect DIG back_end to front_end while enable_stream and
-	 * disconnect them during disable_stream
-	 * BY this, it is logic clean to separate stream and link */
-	link->link_enc->funcs->connect_dig_be_to_fe(link->link_enc,
-						    pipe_ctx->stream_res.stream_enc->id, true);
+
+
 
 }
 
@@ -1690,9 +1693,13 @@ static void apply_min_clocks(
  *  Check if FBC can be enabled
  */
 static bool should_enable_fbc(struct dc *dc,
-			      struct dc_state *context)
+			      struct dc_state *context,
+			      uint32_t *pipe_idx)
 {
-	struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[0];
+	uint32_t i;
+	struct pipe_ctx *pipe_ctx = NULL;
+	struct resource_context *res_ctx = &context->res_ctx;
+
 
 	ASSERT(dc->fbc_compressor);
 
@@ -1704,6 +1711,14 @@ static bool should_enable_fbc(struct dc *dc,
 	if (context->stream_count != 1)
 		return false;
 
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		if (res_ctx->pipe_ctx[i].stream) {
+			pipe_ctx = &res_ctx->pipe_ctx[i];
+			*pipe_idx = i;
+			break;
+		}
+	}
+
 	/* Only supports eDP */
 	if (pipe_ctx->stream->sink->link->connector_signal != SIGNAL_TYPE_EDP)
 		return false;
@@ -1729,11 +1744,14 @@ static bool should_enable_fbc(struct dc *dc,
 static void enable_fbc(struct dc *dc,
 		       struct dc_state *context)
 {
-	if (should_enable_fbc(dc, context)) {
+	uint32_t pipe_idx = 0;
+
+	if (should_enable_fbc(dc, context, &pipe_idx)) {
 		/* Program GRPH COMPRESSED ADDRESS and PITCH */
 		struct compr_addr_and_pitch_params params = {0, 0, 0};
 		struct compressor *compr = dc->fbc_compressor;
-		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[0];
+		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[pipe_idx];
+
 
 		params.source_view_width = pipe_ctx->stream->timing.h_addressable;
 		params.source_view_height = pipe_ctx->stream->timing.v_addressable;
@@ -2915,6 +2933,49 @@ static void program_csc_matrix(struct pipe_ctx *pipe_ctx,
 	}
 }
 
+void dce110_set_cursor_position(struct pipe_ctx *pipe_ctx)
+{
+	struct dc_cursor_position pos_cpy = pipe_ctx->stream->cursor_position;
+	struct input_pixel_processor *ipp = pipe_ctx->plane_res.ipp;
+	struct mem_input *mi = pipe_ctx->plane_res.mi;
+	struct dc_cursor_mi_param param = {
+		.pixel_clk_khz = pipe_ctx->stream->timing.pix_clk_khz,
+		.ref_clk_khz = pipe_ctx->stream->ctx->dc->res_pool->ref_clock_inKhz,
+		.viewport_x_start = pipe_ctx->plane_res.scl_data.viewport.x,
+		.viewport_width = pipe_ctx->plane_res.scl_data.viewport.width,
+		.h_scale_ratio = pipe_ctx->plane_res.scl_data.ratios.horz
+	};
+
+	if (pipe_ctx->plane_state->address.type
+			== PLN_ADDR_TYPE_VIDEO_PROGRESSIVE)
+		pos_cpy.enable = false;
+
+	if (pipe_ctx->top_pipe && pipe_ctx->plane_state != pipe_ctx->top_pipe->plane_state)
+		pos_cpy.enable = false;
+
+	if (ipp->funcs->ipp_cursor_set_position)
+		ipp->funcs->ipp_cursor_set_position(ipp, &pos_cpy, &param);
+	if (mi->funcs->set_cursor_position)
+		mi->funcs->set_cursor_position(mi, &pos_cpy, &param);
+}
+
+void dce110_set_cursor_attribute(struct pipe_ctx *pipe_ctx)
+{
+	struct dc_cursor_attributes *attributes = &pipe_ctx->stream->cursor_attributes;
+
+	if (pipe_ctx->plane_res.ipp->funcs->ipp_cursor_set_attributes)
+		pipe_ctx->plane_res.ipp->funcs->ipp_cursor_set_attributes(
+				pipe_ctx->plane_res.ipp, attributes);
+
+	if (pipe_ctx->plane_res.mi->funcs->set_cursor_attributes)
+		pipe_ctx->plane_res.mi->funcs->set_cursor_attributes(
+				pipe_ctx->plane_res.mi, attributes);
+
+	if (pipe_ctx->plane_res.xfm->funcs->set_cursor_attributes)
+		pipe_ctx->plane_res.xfm->funcs->set_cursor_attributes(
+				pipe_ctx->plane_res.xfm, attributes);
+}
+
 static void ready_shared_resources(struct dc *dc, struct dc_state *context) {}
 
 static void optimize_shared_resources(struct dc *dc) {}
@@ -2957,6 +3018,8 @@ static const struct hw_sequencer_funcs dce110_funcs = {
 	.edp_backlight_control = hwss_edp_backlight_control,
 	.edp_power_control = hwss_edp_power_control,
 	.edp_wait_for_hpd_ready = hwss_edp_wait_for_hpd_ready,
+	.set_cursor_position = dce110_set_cursor_position,
+	.set_cursor_attribute = dce110_set_cursor_attribute
 };
 
 void dce110_hw_sequencer_construct(struct dc *dc)
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
index 7c4779578fb7..00f18c485e1e 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
@@ -846,6 +846,16 @@ static bool dce110_validate_bandwidth(
 	return result;
 }
 
+enum dc_status dce110_validate_plane(const struct dc_plane_state *plane_state,
+				     struct dc_caps *caps)
+{
+	if (((plane_state->dst_rect.width * 2) < plane_state->src_rect.width) ||
+	    ((plane_state->dst_rect.height * 2) < plane_state->src_rect.height))
+		return DC_FAIL_SURFACE_VALIDATE;
+
+	return DC_OK;
+}
+
 static bool dce110_validate_surface_sets(
 		struct dc_state *context)
 {
@@ -869,6 +879,13 @@ static bool dce110_validate_surface_sets(
 					plane->src_rect.height > 1080))
 					return false;
 
+				/* we don't have the logic to support underlay
+				 * only yet so block the use case where we get
+				 * NV12 plane as top layer
+				 */
+				if (j == 0)
+					return false;
+
 				/* irrespective of plane format,
 				 * stream should be RGB encoded
 				 */
@@ -1021,6 +1038,7 @@ static const struct resource_funcs dce110_res_pool_funcs = {
 	.link_enc_create = dce110_link_encoder_create,
 	.validate_guaranteed = dce110_validate_guaranteed,
 	.validate_bandwidth = dce110_validate_bandwidth,
+	.validate_plane = dce110_validate_plane,
 	.acquire_idle_pipe_for_layer = dce110_acquire_underlay,
 	.add_stream_to_ctx = dce110_add_stream_to_ctx,
 	.validate_global = dce110_validate_global
diff --git a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
index 663e0a047a4b..98d9cd0109e1 100644
--- a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
@@ -1103,6 +1103,8 @@ static bool construct(
 	dc->caps.max_downscale_ratio = 200;
 	dc->caps.i2c_speed_in_khz = 100;
 	dc->caps.max_cursor_size = 128;
+	dc->caps.dual_link_dvi = true;
+
 
 	/*************************************************
 	 *  Create resources                             *
diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
index 57cd67359567..5aab01db28ee 100644
--- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
@@ -835,6 +835,8 @@ static bool construct(
 	dc->caps.max_downscale_ratio = 200;
 	dc->caps.i2c_speed_in_khz = 100;
 	dc->caps.max_cursor_size = 128;
+	dc->caps.dual_link_dvi = true;
+
 	dc->debug = debug_defaults;
 
 	/*************************************************
diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
index 8f2bd56f3461..25d7eb1567ae 100644
--- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
@@ -793,6 +793,7 @@ static bool dce80_construct(
 	dc->caps.max_downscale_ratio = 200;
 	dc->caps.i2c_speed_in_khz = 40;
 	dc->caps.max_cursor_size = 128;
+	dc->caps.dual_link_dvi = true;
 
 	/*************************************************
 	 *  Create resources                             *
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 82572863acab..072e4485e85e 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -238,10 +238,24 @@ static void enable_power_gating_plane(
 static void disable_vga(
 	struct dce_hwseq *hws)
 {
+	unsigned int in_vga_mode = 0;
+
+	REG_GET(D1VGA_CONTROL, D1VGA_MODE_ENABLE, &in_vga_mode);
+
+	if (in_vga_mode == 0)
+		return;
+
 	REG_WRITE(D1VGA_CONTROL, 0);
-	REG_WRITE(D2VGA_CONTROL, 0);
-	REG_WRITE(D3VGA_CONTROL, 0);
-	REG_WRITE(D4VGA_CONTROL, 0);
+
+	/* HW Engineer's Notes:
+	 *  During switch from vga->extended, if we set the VGA_TEST_ENABLE and
+	 *  then hit the VGA_TEST_RENDER_START, then the DCHUBP timing gets updated correctly.
+	 *
+	 *  Then vBIOS will have it poll for the VGA_TEST_RENDER_DONE and unset
+	 *  VGA_TEST_ENABLE, to leave it in the same state as before.
+	 */
+	REG_UPDATE(VGA_TEST_CONTROL, VGA_TEST_ENABLE, 1);
+	REG_UPDATE(VGA_TEST_CONTROL, VGA_TEST_RENDER_START, 1);
 }
 
 static void dpp_pg_control(
@@ -1761,6 +1775,11 @@ static void update_dchubp_dpp(
 			&pipe_ctx->plane_res.scl_data.viewport_c);
 	}
 
+	if (pipe_ctx->stream->cursor_attributes.address.quad_part != 0) {
+		dc->hwss.set_cursor_position(pipe_ctx);
+		dc->hwss.set_cursor_attribute(pipe_ctx);
+	}
+
 	if (plane_state->update_flags.bits.full_update) {
 		/*gamut remap*/
 		program_gamut_remap(pipe_ctx);
@@ -2296,7 +2315,7 @@ static bool dcn10_dummy_display_power_gating(
 	return true;
 }
 
-void dcn10_update_pending_status(struct pipe_ctx *pipe_ctx)
+static void dcn10_update_pending_status(struct pipe_ctx *pipe_ctx)
 {
 	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
 	struct timing_generator *tg = pipe_ctx->stream_res.tg;
@@ -2316,12 +2335,46 @@ void dcn10_update_pending_status(struct pipe_ctx *pipe_ctx)
 	}
 }
 
-void dcn10_update_dchub(struct dce_hwseq *hws, struct dchub_init_data *dh_data)
+static void dcn10_update_dchub(struct dce_hwseq *hws, struct dchub_init_data *dh_data)
 {
 	if (hws->ctx->dc->res_pool->hubbub != NULL)
 		hubbub1_update_dchub(hws->ctx->dc->res_pool->hubbub, dh_data);
 }
 
+static void dcn10_set_cursor_position(struct pipe_ctx *pipe_ctx)
+{
+	struct dc_cursor_position pos_cpy = pipe_ctx->stream->cursor_position;
+	struct hubp *hubp = pipe_ctx->plane_res.hubp;
+	struct dpp *dpp = pipe_ctx->plane_res.dpp;
+	struct dc_cursor_mi_param param = {
+		.pixel_clk_khz = pipe_ctx->stream->timing.pix_clk_khz,
+		.ref_clk_khz = pipe_ctx->stream->ctx->dc->res_pool->ref_clock_inKhz,
+		.viewport_x_start = pipe_ctx->plane_res.scl_data.viewport.x,
+		.viewport_width = pipe_ctx->plane_res.scl_data.viewport.width,
+		.h_scale_ratio = pipe_ctx->plane_res.scl_data.ratios.horz
+	};
+
+	if (pipe_ctx->plane_state->address.type
+			== PLN_ADDR_TYPE_VIDEO_PROGRESSIVE)
+		pos_cpy.enable = false;
+
+	if (pipe_ctx->top_pipe && pipe_ctx->plane_state != pipe_ctx->top_pipe->plane_state)
+		pos_cpy.enable = false;
+
+	hubp->funcs->set_cursor_position(hubp, &pos_cpy, &param);
+	dpp->funcs->set_cursor_position(dpp, &pos_cpy, &param, hubp->curs_attr.width);
+}
+
+static void dcn10_set_cursor_attribute(struct pipe_ctx *pipe_ctx)
+{
+	struct dc_cursor_attributes *attributes = &pipe_ctx->stream->cursor_attributes;
+
+	pipe_ctx->plane_res.hubp->funcs->set_cursor_attributes(
+			pipe_ctx->plane_res.hubp, attributes);
+	pipe_ctx->plane_res.dpp->funcs->set_cursor_attributes(
+		pipe_ctx->plane_res.dpp, attributes->color_format);
+}
+
 static const struct hw_sequencer_funcs dcn10_funcs = {
 	.program_gamut_remap = program_gamut_remap,
 	.program_csc_matrix = program_csc_matrix,
@@ -2362,6 +2415,8 @@ static const struct hw_sequencer_funcs dcn10_funcs = {
 	.edp_backlight_control = hwss_edp_backlight_control,
 	.edp_power_control = hwss_edp_power_control,
 	.edp_wait_for_hpd_ready = hwss_edp_wait_for_hpd_ready,
+	.set_cursor_position = dcn10_set_cursor_position,
+	.set_cursor_attribute = dcn10_set_cursor_attribute
 };
 
 
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h b/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h
index 0fd329deacd8..54d8a1386142 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h
@@ -123,8 +123,7 @@ struct link_encoder_funcs {
 	void (*enable_tmds_output)(struct link_encoder *enc,
 		enum clock_source_id clock_source,
 		enum dc_color_depth color_depth,
-		bool hdmi,
-		bool dual_link,
+		enum signal_type signal,
 		uint32_t pixel_clock);
 	void (*enable_dp_output)(struct link_encoder *enc,
 		const struct dc_link_settings *link_settings,
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
index 4c0aa56f7bae..379c6ecd271a 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
@@ -198,6 +198,9 @@ struct hw_sequencer_funcs {
 			bool enable);
 	void (*edp_wait_for_hpd_ready)(struct dc_link *link, bool power_up);
 
+	void (*set_cursor_position)(struct pipe_ctx *pipe);
+	void (*set_cursor_attribute)(struct pipe_ctx *pipe);
+
 };
 
 void color_space_to_black_color(
diff --git a/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c b/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c
index f7e40b292dfb..d3e1923b01a8 100644
--- a/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c
@@ -217,7 +217,7 @@ bool dce110_vblank_set(
 			core_dc->current_state->res_ctx.pipe_ctx[pipe_offset].stream_res.tg;
 
 	if (enable) {
-		if (!tg->funcs->arm_vert_intr(tg, 2)) {
+		if (!tg || !tg->funcs->arm_vert_intr(tg, 2)) {
 			DC_ERROR("Failed to get VBLANK!\n");
 			return false;
 		}
diff --git a/drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c b/drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c
index 57a54a7b89e5..1c079ba37c30 100644
--- a/drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c
@@ -42,8 +42,7 @@ static void virtual_link_encoder_enable_tmds_output(
 	struct link_encoder *enc,
 	enum clock_source_id clock_source,
 	enum dc_color_depth color_depth,
-	bool hdmi,
-	bool dual_link,
+	enum signal_type signal,
 	uint32_t pixel_clock) {}
 
 static void virtual_link_encoder_enable_dp_output(
diff --git a/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h b/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h
index 7a9b43f84a31..36bbad594267 100644
--- a/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h
+++ b/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h
@@ -419,11 +419,6 @@ struct bios_event_info {
 	bool backlight_changed;
 };
 
-enum {
-	HDMI_PIXEL_CLOCK_IN_KHZ_297 = 297000,
-	TMDS_PIXEL_CLOCK_IN_KHZ_165 = 165000
-};
-
 /*
  * DFS-bypass flag
  */
diff --git a/drivers/gpu/drm/amd/display/include/signal_types.h b/drivers/gpu/drm/amd/display/include/signal_types.h
index b5ebde642207..199c5db67cbc 100644
--- a/drivers/gpu/drm/amd/display/include/signal_types.h
+++ b/drivers/gpu/drm/amd/display/include/signal_types.h
@@ -26,6 +26,11 @@
 #ifndef __DC_SIGNAL_TYPES_H__
 #define __DC_SIGNAL_TYPES_H__
 
+/* Minimum pixel clock, in KHz. For TMDS signal is 25.00 MHz */
+#define TMDS_MIN_PIXEL_CLOCK 25000
+/* Maximum pixel clock, in KHz. For TMDS signal is 165.00 MHz */
+#define TMDS_MAX_PIXEL_CLOCK 165000
+
 enum signal_type {
 	SIGNAL_TYPE_NONE		= 0L,		/* no signal */
 	SIGNAL_TYPE_DVI_SINGLE_LINK	= (1 << 0),
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 41e42beff213..08e8a793714f 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -2756,10 +2756,13 @@ static int smu7_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
 				    PHM_PlatformCaps_DisableMclkSwitchingForFrameLock);
 
 
-	disable_mclk_switching = ((1 < info.display_count) ||
-				  disable_mclk_switching_for_frame_lock ||
-				  smu7_vblank_too_short(hwmgr, mode_info.vblank_time_us) ||
-				  (mode_info.refresh_rate > 120));
+	if (info.display_count == 0)
+		disable_mclk_switching = false;
+	else
+		disable_mclk_switching = ((1 < info.display_count) ||
+					  disable_mclk_switching_for_frame_lock ||
+					  smu7_vblank_too_short(hwmgr, mode_info.vblank_time_us) ||
+					  (mode_info.refresh_rate > 120));
 
 	sclk = smu7_ps->performance_levels[0].engine_clock;
 	mclk = smu7_ps->performance_levels[0].memory_clock;
@@ -4534,13 +4537,6 @@ static int smu7_set_power_profile_state(struct pp_hwmgr *hwmgr,
 	int tmp_result, result = 0;
 	uint32_t sclk_mask = 0, mclk_mask = 0;
 
-	if (hwmgr->chip_id == CHIP_FIJI) {
-		if (request->type == AMD_PP_GFX_PROFILE)
-			smu7_enable_power_containment(hwmgr);
-		else if (request->type == AMD_PP_COMPUTE_PROFILE)
-			smu7_disable_power_containment(hwmgr);
-	}
-
 	if (hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_AUTO)
 		return -EINVAL;
 
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index 2d55dabc77d4..5f9c3efb532f 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -3168,10 +3168,13 @@ static int vega10_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
 	disable_mclk_switching_for_vr = PP_CAP(PHM_PlatformCaps_DisableMclkSwitchForVR);
 	force_mclk_high = PP_CAP(PHM_PlatformCaps_ForceMclkHigh);
 
-	disable_mclk_switching = (info.display_count > 1) ||
-				    disable_mclk_switching_for_frame_lock ||
-				    disable_mclk_switching_for_vr ||
-				    force_mclk_high;
+	if (info.display_count == 0)
+		disable_mclk_switching = false;
+	else
+		disable_mclk_switching = (info.display_count > 1) ||
+			disable_mclk_switching_for_frame_lock ||
+			disable_mclk_switching_for_vr ||
+			force_mclk_high;
 
 	sclk = vega10_ps->performance_levels[0].gfx_clock;
 	mclk = vega10_ps->performance_levels[0].mem_clock;
diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
index 5a13ff29f4f0..c0530a1af5e3 100644
--- a/drivers/gpu/drm/drm_framebuffer.c
+++ b/drivers/gpu/drm/drm_framebuffer.c
@@ -121,6 +121,10 @@ int drm_mode_addfb(struct drm_device *dev,
 	r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth);
 	r.handles[0] = or->handle;
 
+	if (r.pixel_format == DRM_FORMAT_XRGB2101010 &&
+	    dev->driver->driver_features & DRIVER_PREFER_XBGR_30BPP)
+		r.pixel_format = DRM_FORMAT_XBGR2101010;
+
 	ret = drm_mode_addfb2(dev, &r, file_priv);
 	if (ret)
 		return ret;
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index c8454ac43fae..db6b94dda5df 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -471,6 +471,7 @@ struct parser_exec_state {
 	 * used when ret from 2nd level batch buffer
 	 */
 	int saved_buf_addr_type;
+	bool is_ctx_wa;
 
 	struct cmd_info *info;
 
@@ -1715,6 +1716,11 @@ static int perform_bb_shadow(struct parser_exec_state *s)
 	bb->accessing = true;
 	bb->bb_start_cmd_va = s->ip_va;
 
+	if ((s->buf_type == BATCH_BUFFER_INSTRUCTION) && (!s->is_ctx_wa))
+		bb->bb_offset = s->ip_va - s->rb_va;
+	else
+		bb->bb_offset = 0;
+
 	/*
 	 * ip_va saves the virtual address of the shadow batch buffer, while
 	 * ip_gma saves the graphics address of the original batch buffer.
@@ -2571,6 +2577,7 @@ static int scan_workload(struct intel_vgpu_workload *workload)
 	s.ring_tail = gma_tail;
 	s.rb_va = workload->shadow_ring_buffer_va;
 	s.workload = workload;
+	s.is_ctx_wa = false;
 
 	if ((bypass_scan_mask & (1 << workload->ring_id)) ||
 		gma_head == gma_tail)
@@ -2624,6 +2631,7 @@ static int scan_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx)
 	s.ring_tail = gma_tail;
 	s.rb_va = wa_ctx->indirect_ctx.shadow_va;
 	s.workload = workload;
+	s.is_ctx_wa = true;
 
 	if (!intel_gvt_ggtt_validate_range(s.vgpu, s.ring_start, s.ring_size)) {
 		ret = -EINVAL;
diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.c b/drivers/gpu/drm/i915/gvt/mmio_context.c
index 256f1bb522b7..152df3d0291e 100644
--- a/drivers/gpu/drm/i915/gvt/mmio_context.c
+++ b/drivers/gpu/drm/i915/gvt/mmio_context.c
@@ -394,9 +394,11 @@ void intel_gvt_switch_mmio(struct intel_vgpu *pre,
 	 * performace for batch mmio read/write, so we need
 	 * handle forcewake mannually.
 	 */
+	intel_runtime_pm_get(dev_priv);
 	intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
 	switch_mmio(pre, next, ring_id);
 	intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
+	intel_runtime_pm_put(dev_priv);
 }
 
 /**
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c
index b55b3580ca1d..d74d6f05c62c 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.c
+++ b/drivers/gpu/drm/i915/gvt/scheduler.c
@@ -52,6 +52,54 @@ static void set_context_pdp_root_pointer(
 		pdp_pair[i].val = pdp[7 - i];
 }
 
+/*
+ * when populating shadow ctx from guest, we should not overrride oa related
+ * registers, so that they will not be overlapped by guest oa configs. Thus
+ * made it possible to capture oa data from host for both host and guests.
+ */
+static void sr_oa_regs(struct intel_vgpu_workload *workload,
+		u32 *reg_state, bool save)
+{
+	struct drm_i915_private *dev_priv = workload->vgpu->gvt->dev_priv;
+	u32 ctx_oactxctrl = dev_priv->perf.oa.ctx_oactxctrl_offset;
+	u32 ctx_flexeu0 = dev_priv->perf.oa.ctx_flexeu0_offset;
+	int i = 0;
+	u32 flex_mmio[] = {
+		i915_mmio_reg_offset(EU_PERF_CNTL0),
+		i915_mmio_reg_offset(EU_PERF_CNTL1),
+		i915_mmio_reg_offset(EU_PERF_CNTL2),
+		i915_mmio_reg_offset(EU_PERF_CNTL3),
+		i915_mmio_reg_offset(EU_PERF_CNTL4),
+		i915_mmio_reg_offset(EU_PERF_CNTL5),
+		i915_mmio_reg_offset(EU_PERF_CNTL6),
+	};
+
+	if (!workload || !reg_state || workload->ring_id != RCS)
+		return;
+
+	if (save) {
+		workload->oactxctrl = reg_state[ctx_oactxctrl + 1];
+
+		for (i = 0; i < ARRAY_SIZE(workload->flex_mmio); i++) {
+			u32 state_offset = ctx_flexeu0 + i * 2;
+
+			workload->flex_mmio[i] = reg_state[state_offset + 1];
+		}
+	} else {
+		reg_state[ctx_oactxctrl] =
+			i915_mmio_reg_offset(GEN8_OACTXCONTROL);
+		reg_state[ctx_oactxctrl + 1] = workload->oactxctrl;
+
+		for (i = 0; i < ARRAY_SIZE(workload->flex_mmio); i++) {
+			u32 state_offset = ctx_flexeu0 + i * 2;
+			u32 mmio = flex_mmio[i];
+
+			reg_state[state_offset] = mmio;
+			reg_state[state_offset + 1] = workload->flex_mmio[i];
+		}
+	}
+}
+
 static int populate_shadow_context(struct intel_vgpu_workload *workload)
 {
 	struct intel_vgpu *vgpu = workload->vgpu;
@@ -98,6 +146,7 @@ static int populate_shadow_context(struct intel_vgpu_workload *workload)
 	page = i915_gem_object_get_page(ctx_obj, LRC_STATE_PN);
 	shadow_ring_context = kmap(page);
 
+	sr_oa_regs(workload, (u32 *)shadow_ring_context, true);
 #define COPY_REG(name) \
 	intel_gvt_hypervisor_read_gpa(vgpu, workload->ring_context_gpa \
 		+ RING_CTX_OFF(name.val), &shadow_ring_context->name.val, 4)
@@ -122,6 +171,7 @@ static int populate_shadow_context(struct intel_vgpu_workload *workload)
 			sizeof(*shadow_ring_context),
 			I915_GTT_PAGE_SIZE - sizeof(*shadow_ring_context));
 
+	sr_oa_regs(workload, (u32 *)shadow_ring_context, false);
 	kunmap(page);
 	return 0;
 }
@@ -376,6 +426,17 @@ static int prepare_shadow_batch_buffer(struct intel_vgpu_workload *workload)
 			goto err;
 		}
 
+		/* For privilge batch buffer and not wa_ctx, the bb_start_cmd_va
+		 * is only updated into ring_scan_buffer, not real ring address
+		 * allocated in later copy_workload_to_ring_buffer. pls be noted
+		 * shadow_ring_buffer_va is now pointed to real ring buffer va
+		 * in copy_workload_to_ring_buffer.
+		 */
+
+		if (bb->bb_offset)
+			bb->bb_start_cmd_va = workload->shadow_ring_buffer_va
+				+ bb->bb_offset;
+
 		/* relocate shadow batch buffer */
 		bb->bb_start_cmd_va[1] = i915_ggtt_offset(bb->vma);
 		if (gmadr_bytes == 8)
@@ -1044,10 +1105,12 @@ int intel_vgpu_setup_submission(struct intel_vgpu *vgpu)
 
 	bitmap_zero(s->shadow_ctx_desc_updated, I915_NUM_ENGINES);
 
-	s->workloads = kmem_cache_create("gvt-g_vgpu_workload",
-			sizeof(struct intel_vgpu_workload), 0,
-			SLAB_HWCACHE_ALIGN,
-			NULL);
+	s->workloads = kmem_cache_create_usercopy("gvt-g_vgpu_workload",
+						  sizeof(struct intel_vgpu_workload), 0,
+						  SLAB_HWCACHE_ALIGN,
+						  offsetof(struct intel_vgpu_workload, rb_tail),
+						  sizeof_field(struct intel_vgpu_workload, rb_tail),
+						  NULL);
 
 	if (!s->workloads) {
 		ret = -ENOMEM;
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.h b/drivers/gpu/drm/i915/gvt/scheduler.h
index ff175a98b19e..a79a4f60637e 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.h
+++ b/drivers/gpu/drm/i915/gvt/scheduler.h
@@ -110,6 +110,10 @@ struct intel_vgpu_workload {
 	/* shadow batch buffer */
 	struct list_head shadow_bb;
 	struct intel_shadow_wa_ctx wa_ctx;
+
+	/* oa registers */
+	u32 oactxctrl;
+	u32 flex_mmio[7];
 };
 
 struct intel_vgpu_shadow_bb {
@@ -120,6 +124,7 @@ struct intel_vgpu_shadow_bb {
 	u32 *bb_start_cmd_va;
 	unsigned int clflush;
 	bool accessing;
+	unsigned long bb_offset;
 };
 
 #define workload_q_head(vgpu, ring_id) \
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index dd89abd2263d..6ff5d655c202 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -434,20 +434,28 @@ i915_gem_object_wait_reservation(struct reservation_object *resv,
 			dma_fence_put(shared[i]);
 		kfree(shared);
 
+		/*
+		 * If both shared fences and an exclusive fence exist,
+		 * then by construction the shared fences must be later
+		 * than the exclusive fence. If we successfully wait for
+		 * all the shared fences, we know that the exclusive fence
+		 * must all be signaled. If all the shared fences are
+		 * signaled, we can prune the array and recover the
+		 * floating references on the fences/requests.
+		 */
 		prune_fences = count && timeout >= 0;
 	} else {
 		excl = reservation_object_get_excl_rcu(resv);
 	}
 
-	if (excl && timeout >= 0) {
+	if (excl && timeout >= 0)
 		timeout = i915_gem_object_wait_fence(excl, flags, timeout,
 						     rps_client);
-		prune_fences = timeout >= 0;
-	}
 
 	dma_fence_put(excl);
 
-	/* Oportunistically prune the fences iff we know they have *all* been
+	/*
+	 * Opportunistically prune the fences iff we know they have *all* been
 	 * signaled and that the reservation object has not been changed (i.e.
 	 * no new fences have been added).
 	 */
@@ -3205,8 +3213,10 @@ void i915_gem_set_wedged(struct drm_i915_private *i915)
 	 * rolling the global seqno forward (since this would complete requests
 	 * for which we haven't set the fence error to EIO yet).
 	 */
-	for_each_engine(engine, i915, id)
+	for_each_engine(engine, i915, id) {
+		i915_gem_reset_prepare_engine(engine);
 		engine->submit_request = nop_submit_request;
+	}
 
 	/*
 	 * Make sure no one is running the old callback before we proceed with
@@ -3244,6 +3254,8 @@ void i915_gem_set_wedged(struct drm_i915_private *i915)
 		intel_engine_init_global_seqno(engine,
 					       intel_engine_last_submit(engine));
 		spin_unlock_irqrestore(&engine->timeline->lock, flags);
+
+		i915_gem_reset_finish_engine(engine);
 	}
 
 	set_bit(I915_WEDGED, &i915->gpu_error.flags);
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 4401068ff468..3ab1ace2a6bd 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -505,6 +505,8 @@ eb_add_vma(struct i915_execbuffer *eb, unsigned int i, struct i915_vma *vma)
 		list_add_tail(&vma->exec_link, &eb->unbound);
 		if (drm_mm_node_allocated(&vma->node))
 			err = i915_vma_unbind(vma);
+		if (unlikely(err))
+			vma->exec_flags = NULL;
 	}
 	return err;
 }
@@ -2410,7 +2412,7 @@ err_request:
 	if (out_fence) {
 		if (err == 0) {
 			fd_install(out_fence_fd, out_fence->file);
-			args->rsvd2 &= GENMASK_ULL(0, 31); /* keep in-fence */
+			args->rsvd2 &= GENMASK_ULL(31, 0); /* keep in-fence */
 			args->rsvd2 |= (u64)out_fence_fd << 32;
 			out_fence_fd = -1;
 		} else {
diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c
index e09d18df8b7f..a3e93d46316a 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.c
+++ b/drivers/gpu/drm/i915/i915_gem_request.c
@@ -476,8 +476,6 @@ void __i915_gem_request_submit(struct drm_i915_gem_request *request)
 	GEM_BUG_ON(!irqs_disabled());
 	lockdep_assert_held(&engine->timeline->lock);
 
-	trace_i915_gem_request_execute(request);
-
 	/* Transfer from per-context onto the global per-engine timeline */
 	timeline = engine->timeline;
 	GEM_BUG_ON(timeline == request->timeline);
@@ -501,6 +499,8 @@ void __i915_gem_request_submit(struct drm_i915_gem_request *request)
 	list_move_tail(&request->link, &timeline->requests);
 	spin_unlock(&request->timeline->lock);
 
+	trace_i915_gem_request_execute(request);
+
 	wake_up_all(&request->execute);
 }
 
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index 0be50e43507d..f8fe5ffcdcff 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -1303,9 +1303,8 @@ static void i915_oa_stream_destroy(struct i915_perf_stream *stream)
 	 */
 	mutex_lock(&dev_priv->drm.struct_mutex);
 	dev_priv->perf.oa.exclusive_stream = NULL;
-	mutex_unlock(&dev_priv->drm.struct_mutex);
-
 	dev_priv->perf.oa.ops.disable_metric_set(dev_priv);
+	mutex_unlock(&dev_priv->drm.struct_mutex);
 
 	free_oa_buffer(dev_priv);
 
@@ -1756,22 +1755,13 @@ static int gen8_switch_to_updated_kernel_context(struct drm_i915_private *dev_pr
  * Note: it's only the RCS/Render context that has any OA state.
  */
 static int gen8_configure_all_contexts(struct drm_i915_private *dev_priv,
-				       const struct i915_oa_config *oa_config,
-				       bool interruptible)
+				       const struct i915_oa_config *oa_config)
 {
 	struct i915_gem_context *ctx;
 	int ret;
 	unsigned int wait_flags = I915_WAIT_LOCKED;
 
-	if (interruptible) {
-		ret = i915_mutex_lock_interruptible(&dev_priv->drm);
-		if (ret)
-			return ret;
-
-		wait_flags |= I915_WAIT_INTERRUPTIBLE;
-	} else {
-		mutex_lock(&dev_priv->drm.struct_mutex);
-	}
+	lockdep_assert_held(&dev_priv->drm.struct_mutex);
 
 	/* Switch away from any user context. */
 	ret = gen8_switch_to_updated_kernel_context(dev_priv, oa_config);
@@ -1819,8 +1809,6 @@ static int gen8_configure_all_contexts(struct drm_i915_private *dev_priv,
 	}
 
  out:
-	mutex_unlock(&dev_priv->drm.struct_mutex);
-
 	return ret;
 }
 
@@ -1863,7 +1851,7 @@ static int gen8_enable_metric_set(struct drm_i915_private *dev_priv,
 	 * to make sure all slices/subslices are ON before writing to NOA
 	 * registers.
 	 */
-	ret = gen8_configure_all_contexts(dev_priv, oa_config, true);
+	ret = gen8_configure_all_contexts(dev_priv, oa_config);
 	if (ret)
 		return ret;
 
@@ -1878,7 +1866,7 @@ static int gen8_enable_metric_set(struct drm_i915_private *dev_priv,
 static void gen8_disable_metric_set(struct drm_i915_private *dev_priv)
 {
 	/* Reset all contexts' slices/subslices configurations. */
-	gen8_configure_all_contexts(dev_priv, NULL, false);
+	gen8_configure_all_contexts(dev_priv, NULL);
 
 	I915_WRITE(GDT_CHICKEN_BITS, (I915_READ(GDT_CHICKEN_BITS) &
 				      ~GT_NOA_ENABLE));
@@ -1888,7 +1876,7 @@ static void gen8_disable_metric_set(struct drm_i915_private *dev_priv)
 static void gen10_disable_metric_set(struct drm_i915_private *dev_priv)
 {
 	/* Reset all contexts' slices/subslices configurations. */
-	gen8_configure_all_contexts(dev_priv, NULL, false);
+	gen8_configure_all_contexts(dev_priv, NULL);
 
 	/* Make sure we disable noa to save power. */
 	I915_WRITE(RPM_CONFIG1,
@@ -2138,6 +2126,10 @@ static int i915_oa_stream_init(struct i915_perf_stream *stream,
 	if (ret)
 		goto err_oa_buf_alloc;
 
+	ret = i915_mutex_lock_interruptible(&dev_priv->drm);
+	if (ret)
+		goto err_lock;
+
 	ret = dev_priv->perf.oa.ops.enable_metric_set(dev_priv,
 						      stream->oa_config);
 	if (ret)
@@ -2145,23 +2137,17 @@ static int i915_oa_stream_init(struct i915_perf_stream *stream,
 
 	stream->ops = &i915_oa_stream_ops;
 
-	/* Lock device for exclusive_stream access late because
-	 * enable_metric_set() might lock as well on gen8+.
-	 */
-	ret = i915_mutex_lock_interruptible(&dev_priv->drm);
-	if (ret)
-		goto err_lock;
-
 	dev_priv->perf.oa.exclusive_stream = stream;
 
 	mutex_unlock(&dev_priv->drm.struct_mutex);
 
 	return 0;
 
-err_lock:
+err_enable:
 	dev_priv->perf.oa.ops.disable_metric_set(dev_priv);
+	mutex_unlock(&dev_priv->drm.struct_mutex);
 
-err_enable:
+err_lock:
 	free_oa_buffer(dev_priv);
 
 err_oa_buf_alloc:
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index a2108e35c599..33eb0c5b1d32 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2027,7 +2027,7 @@ enum i915_power_well_id {
 #define _CNL_PORT_TX_DW5_LN0_AE		0x162454
 #define _CNL_PORT_TX_DW5_LN0_B		0x162654
 #define _CNL_PORT_TX_DW5_LN0_C		0x162C54
-#define _CNL_PORT_TX_DW5_LN0_D		0x162ED4
+#define _CNL_PORT_TX_DW5_LN0_D		0x162E54
 #define _CNL_PORT_TX_DW5_LN0_F		0x162854
 #define CNL_PORT_TX_DW5_GRP(port)	_MMIO_PORT6(port, \
 						    _CNL_PORT_TX_DW5_GRP_AE, \
@@ -2058,7 +2058,7 @@ enum i915_power_well_id {
 #define _CNL_PORT_TX_DW7_LN0_AE		0x16245C
 #define _CNL_PORT_TX_DW7_LN0_B		0x16265C
 #define _CNL_PORT_TX_DW7_LN0_C		0x162C5C
-#define _CNL_PORT_TX_DW7_LN0_D		0x162EDC
+#define _CNL_PORT_TX_DW7_LN0_D		0x162E5C
 #define _CNL_PORT_TX_DW7_LN0_F		0x16285C
 #define CNL_PORT_TX_DW7_GRP(port)	_MMIO_PORT6(port, \
 						    _CNL_PORT_TX_DW7_GRP_AE, \
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index b33d2158c234..e5e6f6bb2b05 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -304,8 +304,9 @@ static ssize_t gt_boost_freq_mhz_store(struct device *kdev,
 {
 	struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
 	struct intel_rps *rps = &dev_priv->gt_pm.rps;
-	u32 val;
+	bool boost = false;
 	ssize_t ret;
+	u32 val;
 
 	ret = kstrtou32(buf, 0, &val);
 	if (ret)
@@ -317,8 +318,13 @@ static ssize_t gt_boost_freq_mhz_store(struct device *kdev,
 		return -EINVAL;
 
 	mutex_lock(&dev_priv->pcu_lock);
-	rps->boost_freq = val;
+	if (val != rps->boost_freq) {
+		rps->boost_freq = val;
+		boost = atomic_read(&rps->num_waiters);
+	}
 	mutex_unlock(&dev_priv->pcu_lock);
+	if (boost)
+		schedule_work(&rps->work);
 
 	return count;
 }
diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
index 522d54fecb53..4a01f62a392d 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -779,11 +779,11 @@ static struct intel_encoder *get_saved_enc(struct drm_i915_private *dev_priv,
 {
 	struct intel_encoder *encoder;
 
-	if (WARN_ON(pipe >= ARRAY_SIZE(dev_priv->av_enc_map)))
-		return NULL;
-
 	/* MST */
 	if (pipe >= 0) {
+		if (WARN_ON(pipe >= ARRAY_SIZE(dev_priv->av_enc_map)))
+			return NULL;
+
 		encoder = dev_priv->av_enc_map[pipe];
 		/*
 		 * when bootup, audio driver may not know it is
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 35c5299feab6..a29868cd30c7 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -620,19 +620,15 @@ static int
 bxt_power_sequencer_idx(struct intel_dp *intel_dp)
 {
 	struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp));
+	int backlight_controller = dev_priv->vbt.backlight.controller;
 
 	lockdep_assert_held(&dev_priv->pps_mutex);
 
 	/* We should never land here with regular DP ports */
 	WARN_ON(!intel_dp_is_edp(intel_dp));
 
-	/*
-	 * TODO: BXT has 2 PPS instances. The correct port->PPS instance
-	 * mapping needs to be retrieved from VBT, for now just hard-code to
-	 * use instance #0 always.
-	 */
 	if (!intel_dp->pps_reset)
-		return 0;
+		return backlight_controller;
 
 	intel_dp->pps_reset = false;
 
@@ -642,7 +638,7 @@ bxt_power_sequencer_idx(struct intel_dp *intel_dp)
 	 */
 	intel_dp_init_panel_power_sequencer_registers(intel_dp, false);
 
-	return 0;
+	return backlight_controller;
 }
 
 typedef bool (*vlv_pipe_check)(struct drm_i915_private *dev_priv,
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 7ece2f061b9e..e0fca035ff78 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -719,6 +719,8 @@ static void execlists_cancel_requests(struct intel_engine_cs *engine)
 	struct rb_node *rb;
 	unsigned long flags;
 
+	GEM_TRACE("%s\n", engine->name);
+
 	spin_lock_irqsave(&engine->timeline->lock, flags);
 
 	/* Cancel the requests on the HW and clear the ELSP tracker. */
@@ -765,6 +767,9 @@ static void execlists_cancel_requests(struct intel_engine_cs *engine)
 	 */
 	clear_bit(ENGINE_IRQ_EXECLIST, &engine->irq_posted);
 
+	/* Mark all CS interrupts as complete */
+	execlists->active = 0;
+
 	spin_unlock_irqrestore(&engine->timeline->lock, flags);
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c
index 380f340204e8..debbbf0fd4bd 100644
--- a/drivers/gpu/drm/nouveau/nouveau_backlight.c
+++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c
@@ -134,7 +134,7 @@ nv50_get_intensity(struct backlight_device *bd)
 	struct nouveau_encoder *nv_encoder = bl_get_data(bd);
 	struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev);
 	struct nvif_object *device = &drm->client.device.object;
-	int or = nv_encoder->or;
+	int or = ffs(nv_encoder->dcb->or) - 1;
 	u32 div = 1025;
 	u32 val;
 
@@ -149,7 +149,7 @@ nv50_set_intensity(struct backlight_device *bd)
 	struct nouveau_encoder *nv_encoder = bl_get_data(bd);
 	struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev);
 	struct nvif_object *device = &drm->client.device.object;
-	int or = nv_encoder->or;
+	int or = ffs(nv_encoder->dcb->or) - 1;
 	u32 div = 1025;
 	u32 val = (bd->props.brightness * div) / 100;
 
@@ -170,7 +170,7 @@ nva3_get_intensity(struct backlight_device *bd)
 	struct nouveau_encoder *nv_encoder = bl_get_data(bd);
 	struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev);
 	struct nvif_object *device = &drm->client.device.object;
-	int or = nv_encoder->or;
+	int or = ffs(nv_encoder->dcb->or) - 1;
 	u32 div, val;
 
 	div  = nvif_rd32(device, NV50_PDISP_SOR_PWM_DIV(or));
@@ -188,7 +188,7 @@ nva3_set_intensity(struct backlight_device *bd)
 	struct nouveau_encoder *nv_encoder = bl_get_data(bd);
 	struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev);
 	struct nvif_object *device = &drm->client.device.object;
-	int or = nv_encoder->or;
+	int or = ffs(nv_encoder->dcb->or) - 1;
 	u32 div, val;
 
 	div = nvif_rd32(device, NV50_PDISP_SOR_PWM_DIV(or));
@@ -228,7 +228,7 @@ nv50_backlight_init(struct drm_connector *connector)
 			return -ENODEV;
 	}
 
-	if (!nvif_rd32(device, NV50_PDISP_SOR_PWM_CTL(nv_encoder->or)))
+	if (!nvif_rd32(device, NV50_PDISP_SOR_PWM_CTL(ffs(nv_encoder->dcb->or) - 1)))
 		return 0;
 
 	if (drm->client.device.info.chipset <= 0xa0 ||
@@ -268,13 +268,13 @@ nouveau_backlight_init(struct drm_device *dev)
 	struct nvif_device *device = &drm->client.device;
 	struct drm_connector *connector;
 
+	INIT_LIST_HEAD(&drm->bl_connectors);
+
 	if (apple_gmux_present()) {
 		NV_INFO(drm, "Apple GMUX detected: not registering Nouveau backlight interface\n");
 		return 0;
 	}
 
-	INIT_LIST_HEAD(&drm->bl_connectors);
-
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 		if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS &&
 		    connector->connector_type != DRM_MODE_CONNECTOR_eDP)
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index dd8d4352ed99..caddce88d2d8 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -4477,6 +4477,7 @@ nv50_display_create(struct drm_device *dev)
 	nouveau_display(dev)->fini = nv50_display_fini;
 	disp->disp = &nouveau_display(dev)->disp;
 	dev->mode_config.funcs = &nv50_disp_func;
+	dev->driver->driver_features |= DRIVER_PREFER_XBGR_30BPP;
 	if (nouveau_atomic)
 		dev->driver->driver_features |= DRIVER_ATOMIC;
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
index 93946dcee319..1c12e58f44c2 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
@@ -1354,7 +1354,7 @@ nvkm_vmm_get_locked(struct nvkm_vmm *vmm, bool getref, bool mapref, bool sparse,
 
 		tail = this->addr + this->size;
 		if (vmm->func->page_block && next && next->page != p)
-			tail = ALIGN_DOWN(addr, vmm->func->page_block);
+			tail = ALIGN_DOWN(tail, vmm->func->page_block);
 
 		if (addr <= tail && tail - addr >= size) {
 			rb_erase(&this->tree, &vmm->free);
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index d3045a371a55..7c73bc7e2f85 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -3221,35 +3221,8 @@ static void cik_gpu_init(struct radeon_device *rdev)
 	case CHIP_KAVERI:
 		rdev->config.cik.max_shader_engines = 1;
 		rdev->config.cik.max_tile_pipes = 4;
-		if ((rdev->pdev->device == 0x1304) ||
-		    (rdev->pdev->device == 0x1305) ||
-		    (rdev->pdev->device == 0x130C) ||
-		    (rdev->pdev->device == 0x130F) ||
-		    (rdev->pdev->device == 0x1310) ||
-		    (rdev->pdev->device == 0x1311) ||
-		    (rdev->pdev->device == 0x131C)) {
-			rdev->config.cik.max_cu_per_sh = 8;
-			rdev->config.cik.max_backends_per_se = 2;
-		} else if ((rdev->pdev->device == 0x1309) ||
-			   (rdev->pdev->device == 0x130A) ||
-			   (rdev->pdev->device == 0x130D) ||
-			   (rdev->pdev->device == 0x1313) ||
-			   (rdev->pdev->device == 0x131D)) {
-			rdev->config.cik.max_cu_per_sh = 6;
-			rdev->config.cik.max_backends_per_se = 2;
-		} else if ((rdev->pdev->device == 0x1306) ||
-			   (rdev->pdev->device == 0x1307) ||
-			   (rdev->pdev->device == 0x130B) ||
-			   (rdev->pdev->device == 0x130E) ||
-			   (rdev->pdev->device == 0x1315) ||
-			   (rdev->pdev->device == 0x1318) ||
-			   (rdev->pdev->device == 0x131B)) {
-			rdev->config.cik.max_cu_per_sh = 4;
-			rdev->config.cik.max_backends_per_se = 1;
-		} else {
-			rdev->config.cik.max_cu_per_sh = 3;
-			rdev->config.cik.max_backends_per_se = 1;
-		}
+		rdev->config.cik.max_cu_per_sh = 8;
+		rdev->config.cik.max_backends_per_se = 2;
 		rdev->config.cik.max_sh_per_se = 1;
 		rdev->config.cik.max_texture_channel_caches = 4;
 		rdev->config.cik.max_gprs = 256;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 8d3e3d2e0090..7828a5e10629 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1365,6 +1365,10 @@ int radeon_device_init(struct radeon_device *rdev,
 	if ((rdev->flags & RADEON_IS_PCI) &&
 	    (rdev->family <= CHIP_RS740))
 		rdev->need_dma32 = true;
+#ifdef CONFIG_PPC64
+	if (rdev->family == CHIP_CEDAR)
+		rdev->need_dma32 = true;
+#endif
 
 	dma_bits = rdev->need_dma32 ? 32 : 40;
 	r = pci_set_dma_mask(rdev->pdev, DMA_BIT_MASK(dma_bits));
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index a9962ffba720..27d8e7dd2d06 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -34,8 +34,6 @@ void radeon_gem_object_free(struct drm_gem_object *gobj)
 	struct radeon_bo *robj = gem_to_radeon_bo(gobj);
 
 	if (robj) {
-		if (robj->gem_base.import_attach)
-			drm_prime_gem_destroy(&robj->gem_base, robj->tbo.sg);
 		radeon_mn_unregister(robj);
 		radeon_bo_unref(&robj);
 	}
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 15404af9d740..31f5ad605e59 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -82,6 +82,8 @@ static void radeon_ttm_bo_destroy(struct ttm_buffer_object *tbo)
 	mutex_unlock(&bo->rdev->gem.mutex);
 	radeon_bo_clear_surface_reg(bo);
 	WARN_ON_ONCE(!list_empty(&bo->va));
+	if (bo->gem_base.import_attach)
+		drm_prime_gem_destroy(&bo->gem_base, bo->tbo.sg);
 	drm_gem_object_release(&bo->gem_base);
 	kfree(bo);
 }
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 326ad068c15a..4b6542538ff9 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -47,7 +47,6 @@ static bool radeon_pm_in_vbl(struct radeon_device *rdev);
 static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish);
 static void radeon_pm_update_profile(struct radeon_device *rdev);
 static void radeon_pm_set_clocks(struct radeon_device *rdev);
-static void radeon_pm_compute_clocks_dpm(struct radeon_device *rdev);
 
 int radeon_pm_get_type_index(struct radeon_device *rdev,
 			     enum radeon_pm_state_type ps_type,
@@ -80,8 +79,6 @@ void radeon_pm_acpi_event_handler(struct radeon_device *rdev)
 				radeon_dpm_enable_bapm(rdev, rdev->pm.dpm.ac_power);
 		}
 		mutex_unlock(&rdev->pm.mutex);
-		/* allow new DPM state to be picked */
-		radeon_pm_compute_clocks_dpm(rdev);
 	} else if (rdev->pm.pm_method == PM_METHOD_PROFILE) {
 		if (rdev->pm.profile == PM_PROFILE_AUTO) {
 			mutex_lock(&rdev->pm.mutex);
@@ -885,8 +882,7 @@ static struct radeon_ps *radeon_dpm_pick_power_state(struct radeon_device *rdev,
 		dpm_state = POWER_STATE_TYPE_INTERNAL_3DPERF;
 	/* balanced states don't exist at the moment */
 	if (dpm_state == POWER_STATE_TYPE_BALANCED)
-		dpm_state = rdev->pm.dpm.ac_power ?
-			POWER_STATE_TYPE_PERFORMANCE : POWER_STATE_TYPE_BATTERY;
+		dpm_state = POWER_STATE_TYPE_PERFORMANCE;
 
 restart_search:
 	/* Pick the best power state based on current conditions */
diff --git a/drivers/gpu/drm/sun4i/sun4i_crtc.c b/drivers/gpu/drm/sun4i/sun4i_crtc.c
index 5decae0069d0..78cbc3145e44 100644
--- a/drivers/gpu/drm/sun4i/sun4i_crtc.c
+++ b/drivers/gpu/drm/sun4i/sun4i_crtc.c
@@ -93,6 +93,8 @@ static void sun4i_crtc_atomic_disable(struct drm_crtc *crtc,
 
 	DRM_DEBUG_DRIVER("Disabling the CRTC\n");
 
+	drm_crtc_vblank_off(crtc);
+
 	sun4i_tcon_set_status(scrtc->tcon, encoder, false);
 
 	if (crtc->state->event && !crtc->state->active) {
@@ -113,6 +115,8 @@ static void sun4i_crtc_atomic_enable(struct drm_crtc *crtc,
 	DRM_DEBUG_DRIVER("Enabling the CRTC\n");
 
 	sun4i_tcon_set_status(scrtc->tcon, encoder, true);
+
+	drm_crtc_vblank_on(crtc);
 }
 
 static void sun4i_crtc_mode_set_nofb(struct drm_crtc *crtc)
diff --git a/drivers/gpu/drm/sun4i/sun4i_dotclock.c b/drivers/gpu/drm/sun4i/sun4i_dotclock.c
index 023f39bda633..e36004fbe453 100644
--- a/drivers/gpu/drm/sun4i/sun4i_dotclock.c
+++ b/drivers/gpu/drm/sun4i/sun4i_dotclock.c
@@ -132,10 +132,13 @@ static int sun4i_dclk_get_phase(struct clk_hw *hw)
 static int sun4i_dclk_set_phase(struct clk_hw *hw, int degrees)
 {
 	struct sun4i_dclk *dclk = hw_to_dclk(hw);
+	u32 val = degrees / 120;
+
+	val <<= 28;
 
 	regmap_update_bits(dclk->regmap, SUN4I_TCON0_IO_POL_REG,
 			   GENMASK(29, 28),
-			   degrees / 120);
+			   val);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/sun4i/sun4i_rgb.c b/drivers/gpu/drm/sun4i/sun4i_rgb.c
index 832f8f9bc47f..b8da5a50a61d 100644
--- a/drivers/gpu/drm/sun4i/sun4i_rgb.c
+++ b/drivers/gpu/drm/sun4i/sun4i_rgb.c
@@ -92,6 +92,8 @@ static int sun4i_rgb_mode_valid(struct drm_connector *connector,
 
 	DRM_DEBUG_DRIVER("Vertical parameters OK\n");
 
+	tcon->dclk_min_div = 6;
+	tcon->dclk_max_div = 127;
 	rounded_rate = clk_round_rate(tcon->dclk, rate);
 	if (rounded_rate < rate)
 		return MODE_CLOCK_LOW;
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index 3c15cf24b503..2de586b7c98b 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -101,10 +101,12 @@ static void sun4i_tcon_channel_set_status(struct sun4i_tcon *tcon, int channel,
 		return;
 	}
 
-	if (enabled)
+	if (enabled) {
 		clk_prepare_enable(clk);
-	else
+	} else {
+		clk_rate_exclusive_put(clk);
 		clk_disable_unprepare(clk);
+	}
 }
 
 static void sun4i_tcon_lvds_set_status(struct sun4i_tcon *tcon,
@@ -260,7 +262,7 @@ static void sun4i_tcon0_mode_set_common(struct sun4i_tcon *tcon,
 					const struct drm_display_mode *mode)
 {
 	/* Configure the dot clock */
-	clk_set_rate(tcon->dclk, mode->crtc_clock * 1000);
+	clk_set_rate_exclusive(tcon->dclk, mode->crtc_clock * 1000);
 
 	/* Set the resolution */
 	regmap_write(tcon->regs, SUN4I_TCON0_BASIC0_REG,
@@ -335,6 +337,9 @@ static void sun4i_tcon0_mode_set_lvds(struct sun4i_tcon *tcon,
 	regmap_update_bits(tcon->regs, SUN4I_TCON_GCTL_REG,
 			   SUN4I_TCON_GCTL_IOMAP_MASK,
 			   SUN4I_TCON_GCTL_IOMAP_TCON0);
+
+	/* Enable the output on the pins */
+	regmap_write(tcon->regs, SUN4I_TCON0_IO_TRI_REG, 0xe0000000);
 }
 
 static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon,
@@ -418,7 +423,7 @@ static void sun4i_tcon1_mode_set(struct sun4i_tcon *tcon,
 	WARN_ON(!tcon->quirks->has_channel_1);
 
 	/* Configure the dot clock */
-	clk_set_rate(tcon->sclk1, mode->crtc_clock * 1000);
+	clk_set_rate_exclusive(tcon->sclk1, mode->crtc_clock * 1000);
 
 	/* Adjust clock delay */
 	clk_delay = sun4i_tcon_get_clk_delay(mode, 1);
@@ -870,52 +875,56 @@ static int sun4i_tcon_bind(struct device *dev, struct device *master,
 		return ret;
 	}
 
-	/*
-	 * This can only be made optional since we've had DT nodes
-	 * without the LVDS reset properties.
-	 *
-	 * If the property is missing, just disable LVDS, and print a
-	 * warning.
-	 */
-	tcon->lvds_rst = devm_reset_control_get_optional(dev, "lvds");
-	if (IS_ERR(tcon->lvds_rst)) {
-		dev_err(dev, "Couldn't get our reset line\n");
-		return PTR_ERR(tcon->lvds_rst);
-	} else if (tcon->lvds_rst) {
-		has_lvds_rst = true;
-		reset_control_reset(tcon->lvds_rst);
-	} else {
-		has_lvds_rst = false;
-	}
+	if (tcon->quirks->supports_lvds) {
+		/*
+		 * This can only be made optional since we've had DT
+		 * nodes without the LVDS reset properties.
+		 *
+		 * If the property is missing, just disable LVDS, and
+		 * print a warning.
+		 */
+		tcon->lvds_rst = devm_reset_control_get_optional(dev, "lvds");
+		if (IS_ERR(tcon->lvds_rst)) {
+			dev_err(dev, "Couldn't get our reset line\n");
+			return PTR_ERR(tcon->lvds_rst);
+		} else if (tcon->lvds_rst) {
+			has_lvds_rst = true;
+			reset_control_reset(tcon->lvds_rst);
+		} else {
+			has_lvds_rst = false;
+		}
 
-	/*
-	 * This can only be made optional since we've had DT nodes
-	 * without the LVDS reset properties.
-	 *
-	 * If the property is missing, just disable LVDS, and print a
-	 * warning.
-	 */
-	if (tcon->quirks->has_lvds_alt) {
-		tcon->lvds_pll = devm_clk_get(dev, "lvds-alt");
-		if (IS_ERR(tcon->lvds_pll)) {
-			if (PTR_ERR(tcon->lvds_pll) == -ENOENT) {
-				has_lvds_alt = false;
+		/*
+		 * This can only be made optional since we've had DT
+		 * nodes without the LVDS reset properties.
+		 *
+		 * If the property is missing, just disable LVDS, and
+		 * print a warning.
+		 */
+		if (tcon->quirks->has_lvds_alt) {
+			tcon->lvds_pll = devm_clk_get(dev, "lvds-alt");
+			if (IS_ERR(tcon->lvds_pll)) {
+				if (PTR_ERR(tcon->lvds_pll) == -ENOENT) {
+					has_lvds_alt = false;
+				} else {
+					dev_err(dev, "Couldn't get the LVDS PLL\n");
+					return PTR_ERR(tcon->lvds_pll);
+				}
 			} else {
-				dev_err(dev, "Couldn't get the LVDS PLL\n");
-				return PTR_ERR(tcon->lvds_pll);
+				has_lvds_alt = true;
 			}
-		} else {
-			has_lvds_alt = true;
 		}
-	}
 
-	if (!has_lvds_rst || (tcon->quirks->has_lvds_alt && !has_lvds_alt)) {
-		dev_warn(dev,
-			 "Missing LVDS properties, Please upgrade your DT\n");
-		dev_warn(dev, "LVDS output disabled\n");
-		can_lvds = false;
+		if (!has_lvds_rst ||
+		    (tcon->quirks->has_lvds_alt && !has_lvds_alt)) {
+			dev_warn(dev, "Missing LVDS properties, Please upgrade your DT\n");
+			dev_warn(dev, "LVDS output disabled\n");
+			can_lvds = false;
+		} else {
+			can_lvds = true;
+		}
 	} else {
-		can_lvds = true;
+		can_lvds = false;
 	}
 
 	ret = sun4i_tcon_init_clocks(dev, tcon);
@@ -1134,7 +1143,7 @@ static const struct sun4i_tcon_quirks sun8i_a33_quirks = {
 };
 
 static const struct sun4i_tcon_quirks sun8i_a83t_lcd_quirks = {
-	/* nothing is supported */
+	.supports_lvds		= true,
 };
 
 static const struct sun4i_tcon_quirks sun8i_v3s_quirks = {
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.h b/drivers/gpu/drm/sun4i/sun4i_tcon.h
index b761c7b823c5..278700c7bf9f 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.h
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.h
@@ -175,6 +175,7 @@ struct sun4i_tcon_quirks {
 	bool	has_channel_1;	/* a33 does not have channel 1 */
 	bool	has_lvds_alt;	/* Does the LVDS clock have a parent other than the TCON clock? */
 	bool	needs_de_be_mux; /* sun6i needs mux to select backend */
+	bool	supports_lvds;   /* Does the TCON support an LVDS output? */
 
 	/* callback to handle tcon muxing options */
 	int	(*set_mux)(struct sun4i_tcon *, const struct drm_encoder *);
diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index 5720a0d4ac0a..677ac16c8a6d 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -197,6 +197,9 @@ static int virtio_gpu_getparam_ioctl(struct drm_device *dev, void *data,
 	case VIRTGPU_PARAM_3D_FEATURES:
 		value = vgdev->has_virgl_3d == true ? 1 : 0;
 		break;
+	case VIRTGPU_PARAM_CAPSET_QUERY_FIX:
+		value = 1;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -472,7 +475,7 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev,
 {
 	struct virtio_gpu_device *vgdev = dev->dev_private;
 	struct drm_virtgpu_get_caps *args = data;
-	int size;
+	unsigned size, host_caps_size;
 	int i;
 	int found_valid = -1;
 	int ret;
@@ -481,6 +484,10 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev,
 	if (vgdev->num_capsets == 0)
 		return -ENOSYS;
 
+	/* don't allow userspace to pass 0 */
+	if (args->size == 0)
+		return -EINVAL;
+
 	spin_lock(&vgdev->display_info_lock);
 	for (i = 0; i < vgdev->num_capsets; i++) {
 		if (vgdev->capsets[i].id == args->cap_set_id) {
@@ -496,11 +503,9 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev,
 		return -EINVAL;
 	}
 
-	size = vgdev->capsets[found_valid].max_size;
-	if (args->size > size) {
-		spin_unlock(&vgdev->display_info_lock);
-		return -EINVAL;
-	}
+	host_caps_size = vgdev->capsets[found_valid].max_size;
+	/* only copy to user the minimum of the host caps size or the guest caps size */
+	size = min(args->size, host_caps_size);
 
 	list_for_each_entry(cache_ent, &vgdev->cap_cache, head) {
 		if (cache_ent->id == args->cap_set_id &&
diff --git a/drivers/i2c/busses/i2c-octeon-core.c b/drivers/i2c/busses/i2c-octeon-core.c
index 1d8775799056..d9607905dc2f 100644
--- a/drivers/i2c/busses/i2c-octeon-core.c
+++ b/drivers/i2c/busses/i2c-octeon-core.c
@@ -233,6 +233,7 @@ static int octeon_i2c_check_status(struct octeon_i2c *i2c, int final_read)
 		return -EOPNOTSUPP;
 
 	case STAT_TXDATA_NAK:
+	case STAT_BUS_ERROR:
 		return -EIO;
 	case STAT_TXADDR_NAK:
 	case STAT_RXADDR_NAK:
diff --git a/drivers/i2c/busses/i2c-octeon-core.h b/drivers/i2c/busses/i2c-octeon-core.h
index a7ef19855bb8..9bb9f64fdda0 100644
--- a/drivers/i2c/busses/i2c-octeon-core.h
+++ b/drivers/i2c/busses/i2c-octeon-core.h
@@ -43,7 +43,7 @@
 #define TWSI_CTL_AAK		0x04	/* Assert ACK */
 
 /* Status values */
-#define STAT_ERROR		0x00
+#define STAT_BUS_ERROR		0x00
 #define STAT_START		0x08
 #define STAT_REP_START		0x10
 #define STAT_TXADDR_ACK		0x18
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 17fd55af4d92..caa20eb5f26b 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -928,7 +928,7 @@ static int exact_lock(dev_t dev, void *data)
 {
 	struct gendisk *p = data;
 
-	if (!get_disk(p))
+	if (!get_disk_and_module(p))
 		return -1;
 	return 0;
 }
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index a5b4cf030c11..9183d148d644 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -550,18 +550,13 @@ static int addr_resolve(struct sockaddr *src_in,
 		dst_release(dst);
 	}
 
-	if (ndev->flags & IFF_LOOPBACK) {
-		ret = rdma_translate_ip(dst_in, addr);
-		/*
-		 * Put the loopback device and get the translated
-		 * device instead.
-		 */
+	if (ndev) {
+		if (ndev->flags & IFF_LOOPBACK)
+			ret = rdma_translate_ip(dst_in, addr);
+		else
+			addr->bound_dev_if = ndev->ifindex;
 		dev_put(ndev);
-		ndev = dev_get_by_index(addr->net, addr->bound_dev_if);
-	} else {
-		addr->bound_dev_if = ndev->ifindex;
 	}
-	dev_put(ndev);
 
 	return ret;
 }
diff --git a/drivers/infiniband/core/cq.c b/drivers/infiniband/core/cq.c
index bc79ca8215d7..af5ad6a56ae4 100644
--- a/drivers/infiniband/core/cq.c
+++ b/drivers/infiniband/core/cq.c
@@ -17,6 +17,7 @@
 
 /* # of WCs to poll for with a single call to ib_poll_cq */
 #define IB_POLL_BATCH			16
+#define IB_POLL_BATCH_DIRECT		8
 
 /* # of WCs to iterate over before yielding */
 #define IB_POLL_BUDGET_IRQ		256
@@ -25,18 +26,18 @@
 #define IB_POLL_FLAGS \
 	(IB_CQ_NEXT_COMP | IB_CQ_REPORT_MISSED_EVENTS)
 
-static int __ib_process_cq(struct ib_cq *cq, int budget, struct ib_wc *poll_wc)
+static int __ib_process_cq(struct ib_cq *cq, int budget, struct ib_wc *wcs,
+			   int batch)
 {
 	int i, n, completed = 0;
-	struct ib_wc *wcs = poll_wc ? : cq->wc;
 
 	/*
 	 * budget might be (-1) if the caller does not
 	 * want to bound this call, thus we need unsigned
 	 * minimum here.
 	 */
-	while ((n = ib_poll_cq(cq, min_t(u32, IB_POLL_BATCH,
-			budget - completed), wcs)) > 0) {
+	while ((n = ib_poll_cq(cq, min_t(u32, batch,
+					 budget - completed), wcs)) > 0) {
 		for (i = 0; i < n; i++) {
 			struct ib_wc *wc = &wcs[i];
 
@@ -48,8 +49,7 @@ static int __ib_process_cq(struct ib_cq *cq, int budget, struct ib_wc *poll_wc)
 
 		completed += n;
 
-		if (n != IB_POLL_BATCH ||
-		    (budget != -1 && completed >= budget))
+		if (n != batch || (budget != -1 && completed >= budget))
 			break;
 	}
 
@@ -72,9 +72,9 @@ static int __ib_process_cq(struct ib_cq *cq, int budget, struct ib_wc *poll_wc)
  */
 int ib_process_cq_direct(struct ib_cq *cq, int budget)
 {
-	struct ib_wc wcs[IB_POLL_BATCH];
+	struct ib_wc wcs[IB_POLL_BATCH_DIRECT];
 
-	return __ib_process_cq(cq, budget, wcs);
+	return __ib_process_cq(cq, budget, wcs, IB_POLL_BATCH_DIRECT);
 }
 EXPORT_SYMBOL(ib_process_cq_direct);
 
@@ -88,7 +88,7 @@ static int ib_poll_handler(struct irq_poll *iop, int budget)
 	struct ib_cq *cq = container_of(iop, struct ib_cq, iop);
 	int completed;
 
-	completed = __ib_process_cq(cq, budget, NULL);
+	completed = __ib_process_cq(cq, budget, cq->wc, IB_POLL_BATCH);
 	if (completed < budget) {
 		irq_poll_complete(&cq->iop);
 		if (ib_req_notify_cq(cq, IB_POLL_FLAGS) > 0)
@@ -108,7 +108,8 @@ static void ib_cq_poll_work(struct work_struct *work)
 	struct ib_cq *cq = container_of(work, struct ib_cq, work);
 	int completed;
 
-	completed = __ib_process_cq(cq, IB_POLL_BUDGET_WORKQUEUE, NULL);
+	completed = __ib_process_cq(cq, IB_POLL_BUDGET_WORKQUEUE, cq->wc,
+				    IB_POLL_BATCH);
 	if (completed >= IB_POLL_BUDGET_WORKQUEUE ||
 	    ib_req_notify_cq(cq, IB_POLL_FLAGS) > 0)
 		queue_work(ib_comp_wq, &cq->work);
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index e8010e73a1cf..bb065c9449be 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -536,14 +536,14 @@ int ib_register_device(struct ib_device *device,
 	ret = device->query_device(device, &device->attrs, &uhw);
 	if (ret) {
 		pr_warn("Couldn't query the device attributes\n");
-		goto cache_cleanup;
+		goto cg_cleanup;
 	}
 
 	ret = ib_device_register_sysfs(device, port_callback);
 	if (ret) {
 		pr_warn("Couldn't register device %s with driver model\n",
 			device->name);
-		goto cache_cleanup;
+		goto cg_cleanup;
 	}
 
 	device->reg_state = IB_DEV_REGISTERED;
@@ -559,6 +559,8 @@ int ib_register_device(struct ib_device *device,
 	mutex_unlock(&device_mutex);
 	return 0;
 
+cg_cleanup:
+	ib_device_unregister_rdmacg(device);
 cache_cleanup:
 	ib_cache_cleanup_one(device);
 	ib_cache_release_one(device);
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index 8cf15d4a8ac4..9f029a1ca5ea 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -1291,10 +1291,9 @@ int ib_init_ah_attr_from_path(struct ib_device *device, u8 port_num,
 
 		resolved_dev = dev_get_by_index(dev_addr.net,
 						dev_addr.bound_dev_if);
-		if (resolved_dev->flags & IFF_LOOPBACK) {
-			dev_put(resolved_dev);
-			resolved_dev = idev;
-			dev_hold(resolved_dev);
+		if (!resolved_dev) {
+			dev_put(idev);
+			return -ENODEV;
 		}
 		ndev = ib_get_ndev_from_path(rec);
 		rcu_read_lock();
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index f015f1bf88c9..3a9d0f5b5881 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -1149,6 +1149,9 @@ static ssize_t ucma_init_qp_attr(struct ucma_file *file,
 	if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
 		return -EFAULT;
 
+	if (cmd.qp_state > IB_QPS_ERR)
+		return -EINVAL;
+
 	ctx = ucma_get_ctx(file, cmd.id);
 	if (IS_ERR(ctx))
 		return PTR_ERR(ctx);
@@ -1294,6 +1297,9 @@ static ssize_t ucma_set_option(struct ucma_file *file, const char __user *inbuf,
 	if (IS_ERR(ctx))
 		return PTR_ERR(ctx);
 
+	if (unlikely(cmd.optval > KMALLOC_MAX_SIZE))
+		return -EINVAL;
+
 	optval = memdup_user((void __user *) (unsigned long) cmd.optval,
 			     cmd.optlen);
 	if (IS_ERR(optval)) {
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index 643174d949a8..0dd75f449872 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -785,7 +785,7 @@ int bnxt_re_query_ah(struct ib_ah *ib_ah, struct rdma_ah_attr *ah_attr)
 	return 0;
 }
 
-static unsigned long bnxt_re_lock_cqs(struct bnxt_re_qp *qp)
+unsigned long bnxt_re_lock_cqs(struct bnxt_re_qp *qp)
 	__acquires(&qp->scq->cq_lock) __acquires(&qp->rcq->cq_lock)
 {
 	unsigned long flags;
@@ -799,8 +799,8 @@ static unsigned long bnxt_re_lock_cqs(struct bnxt_re_qp *qp)
 	return flags;
 }
 
-static void bnxt_re_unlock_cqs(struct bnxt_re_qp *qp,
-			       unsigned long flags)
+void bnxt_re_unlock_cqs(struct bnxt_re_qp *qp,
+			unsigned long flags)
 	__releases(&qp->scq->cq_lock) __releases(&qp->rcq->cq_lock)
 {
 	if (qp->rcq != qp->scq)
@@ -1606,6 +1606,7 @@ int bnxt_re_modify_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr,
 	int status;
 	union ib_gid sgid;
 	struct ib_gid_attr sgid_attr;
+	unsigned int flags;
 	u8 nw_type;
 
 	qp->qplib_qp.modify_flags = 0;
@@ -1634,14 +1635,18 @@ int bnxt_re_modify_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr,
 			dev_dbg(rdev_to_dev(rdev),
 				"Move QP = %p to flush list\n",
 				qp);
+			flags = bnxt_re_lock_cqs(qp);
 			bnxt_qplib_add_flush_qp(&qp->qplib_qp);
+			bnxt_re_unlock_cqs(qp, flags);
 		}
 		if (!qp->sumem &&
 		    qp->qplib_qp.state == CMDQ_MODIFY_QP_NEW_STATE_RESET) {
 			dev_dbg(rdev_to_dev(rdev),
 				"Move QP = %p out of flush list\n",
 				qp);
+			flags = bnxt_re_lock_cqs(qp);
 			bnxt_qplib_clean_qp(&qp->qplib_qp);
+			bnxt_re_unlock_cqs(qp, flags);
 		}
 	}
 	if (qp_attr_mask & IB_QP_EN_SQD_ASYNC_NOTIFY) {
@@ -2227,10 +2232,13 @@ static int bnxt_re_build_inv_wqe(struct ib_send_wr *wr,
 	wqe->type = BNXT_QPLIB_SWQE_TYPE_LOCAL_INV;
 	wqe->local_inv.inv_l_key = wr->ex.invalidate_rkey;
 
+	/* Need unconditional fence for local invalidate
+	 * opcode to work as expected.
+	 */
+	wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE;
+
 	if (wr->send_flags & IB_SEND_SIGNALED)
 		wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SIGNAL_COMP;
-	if (wr->send_flags & IB_SEND_FENCE)
-		wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE;
 	if (wr->send_flags & IB_SEND_SOLICITED)
 		wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SOLICIT_EVENT;
 
@@ -2251,8 +2259,12 @@ static int bnxt_re_build_reg_wqe(struct ib_reg_wr *wr,
 	wqe->frmr.levels = qplib_frpl->hwq.level + 1;
 	wqe->type = BNXT_QPLIB_SWQE_TYPE_REG_MR;
 
-	if (wr->wr.send_flags & IB_SEND_FENCE)
-		wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE;
+	/* Need unconditional fence for reg_mr
+	 * opcode to function as expected.
+	 */
+
+	wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE;
+
 	if (wr->wr.send_flags & IB_SEND_SIGNALED)
 		wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SIGNAL_COMP;
 
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.h b/drivers/infiniband/hw/bnxt_re/ib_verbs.h
index b88a48d43a9d..e62b7c2c7da6 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.h
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.h
@@ -222,4 +222,7 @@ struct ib_ucontext *bnxt_re_alloc_ucontext(struct ib_device *ibdev,
 					   struct ib_udata *udata);
 int bnxt_re_dealloc_ucontext(struct ib_ucontext *context);
 int bnxt_re_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
+
+unsigned long bnxt_re_lock_cqs(struct bnxt_re_qp *qp);
+void bnxt_re_unlock_cqs(struct bnxt_re_qp *qp, unsigned long flags);
 #endif /* __BNXT_RE_IB_VERBS_H__ */
diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c
index 33a448036c2e..f6e361750466 100644
--- a/drivers/infiniband/hw/bnxt_re/main.c
+++ b/drivers/infiniband/hw/bnxt_re/main.c
@@ -730,6 +730,13 @@ static int bnxt_re_handle_qp_async_event(struct creq_qp_event *qp_event,
 					 struct bnxt_re_qp *qp)
 {
 	struct ib_event event;
+	unsigned int flags;
+
+	if (qp->qplib_qp.state == CMDQ_MODIFY_QP_NEW_STATE_ERR) {
+		flags = bnxt_re_lock_cqs(qp);
+		bnxt_qplib_add_flush_qp(&qp->qplib_qp);
+		bnxt_re_unlock_cqs(qp, flags);
+	}
 
 	memset(&event, 0, sizeof(event));
 	if (qp->qplib_qp.srq) {
@@ -1416,9 +1423,12 @@ static void bnxt_re_task(struct work_struct *work)
 	switch (re_work->event) {
 	case NETDEV_REGISTER:
 		rc = bnxt_re_ib_reg(rdev);
-		if (rc)
+		if (rc) {
 			dev_err(rdev_to_dev(rdev),
 				"Failed to register with IB: %#x", rc);
+			bnxt_re_remove_one(rdev);
+			bnxt_re_dev_unreg(rdev);
+		}
 		break;
 	case NETDEV_UP:
 		bnxt_re_dispatch_event(&rdev->ibdev, NULL, 1,
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
index 3ea5b9624f6b..06b42c880fd4 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
@@ -88,75 +88,35 @@ static void __bnxt_qplib_add_flush_qp(struct bnxt_qplib_qp *qp)
 	}
 }
 
-void bnxt_qplib_acquire_cq_locks(struct bnxt_qplib_qp *qp,
-				 unsigned long *flags)
-	__acquires(&qp->scq->hwq.lock) __acquires(&qp->rcq->hwq.lock)
+static void bnxt_qplib_acquire_cq_flush_locks(struct bnxt_qplib_qp *qp,
+				       unsigned long *flags)
+	__acquires(&qp->scq->flush_lock) __acquires(&qp->rcq->flush_lock)
 {
-	spin_lock_irqsave(&qp->scq->hwq.lock, *flags);
+	spin_lock_irqsave(&qp->scq->flush_lock, *flags);
 	if (qp->scq == qp->rcq)
-		__acquire(&qp->rcq->hwq.lock);
+		__acquire(&qp->rcq->flush_lock);
 	else
-		spin_lock(&qp->rcq->hwq.lock);
+		spin_lock(&qp->rcq->flush_lock);
 }
 
-void bnxt_qplib_release_cq_locks(struct bnxt_qplib_qp *qp,
-				 unsigned long *flags)
-	__releases(&qp->scq->hwq.lock) __releases(&qp->rcq->hwq.lock)
+static void bnxt_qplib_release_cq_flush_locks(struct bnxt_qplib_qp *qp,
+				       unsigned long *flags)
+	__releases(&qp->scq->flush_lock) __releases(&qp->rcq->flush_lock)
 {
 	if (qp->scq == qp->rcq)
-		__release(&qp->rcq->hwq.lock);
+		__release(&qp->rcq->flush_lock);
 	else
-		spin_unlock(&qp->rcq->hwq.lock);
-	spin_unlock_irqrestore(&qp->scq->hwq.lock, *flags);
-}
-
-static struct bnxt_qplib_cq *bnxt_qplib_find_buddy_cq(struct bnxt_qplib_qp *qp,
-						      struct bnxt_qplib_cq *cq)
-{
-	struct bnxt_qplib_cq *buddy_cq = NULL;
-
-	if (qp->scq == qp->rcq)
-		buddy_cq = NULL;
-	else if (qp->scq == cq)
-		buddy_cq = qp->rcq;
-	else
-		buddy_cq = qp->scq;
-	return buddy_cq;
-}
-
-static void bnxt_qplib_lock_buddy_cq(struct bnxt_qplib_qp *qp,
-				     struct bnxt_qplib_cq *cq)
-	__acquires(&buddy_cq->hwq.lock)
-{
-	struct bnxt_qplib_cq *buddy_cq = NULL;
-
-	buddy_cq = bnxt_qplib_find_buddy_cq(qp, cq);
-	if (!buddy_cq)
-		__acquire(&cq->hwq.lock);
-	else
-		spin_lock(&buddy_cq->hwq.lock);
-}
-
-static void bnxt_qplib_unlock_buddy_cq(struct bnxt_qplib_qp *qp,
-				       struct bnxt_qplib_cq *cq)
-	__releases(&buddy_cq->hwq.lock)
-{
-	struct bnxt_qplib_cq *buddy_cq = NULL;
-
-	buddy_cq = bnxt_qplib_find_buddy_cq(qp, cq);
-	if (!buddy_cq)
-		__release(&cq->hwq.lock);
-	else
-		spin_unlock(&buddy_cq->hwq.lock);
+		spin_unlock(&qp->rcq->flush_lock);
+	spin_unlock_irqrestore(&qp->scq->flush_lock, *flags);
 }
 
 void bnxt_qplib_add_flush_qp(struct bnxt_qplib_qp *qp)
 {
 	unsigned long flags;
 
-	bnxt_qplib_acquire_cq_locks(qp, &flags);
+	bnxt_qplib_acquire_cq_flush_locks(qp, &flags);
 	__bnxt_qplib_add_flush_qp(qp);
-	bnxt_qplib_release_cq_locks(qp, &flags);
+	bnxt_qplib_release_cq_flush_locks(qp, &flags);
 }
 
 static void __bnxt_qplib_del_flush_qp(struct bnxt_qplib_qp *qp)
@@ -177,7 +137,7 @@ void bnxt_qplib_clean_qp(struct bnxt_qplib_qp *qp)
 {
 	unsigned long flags;
 
-	bnxt_qplib_acquire_cq_locks(qp, &flags);
+	bnxt_qplib_acquire_cq_flush_locks(qp, &flags);
 	__clean_cq(qp->scq, (u64)(unsigned long)qp);
 	qp->sq.hwq.prod = 0;
 	qp->sq.hwq.cons = 0;
@@ -186,7 +146,7 @@ void bnxt_qplib_clean_qp(struct bnxt_qplib_qp *qp)
 	qp->rq.hwq.cons = 0;
 
 	__bnxt_qplib_del_flush_qp(qp);
-	bnxt_qplib_release_cq_locks(qp, &flags);
+	bnxt_qplib_release_cq_flush_locks(qp, &flags);
 }
 
 static void bnxt_qpn_cqn_sched_task(struct work_struct *work)
@@ -2107,9 +2067,6 @@ void bnxt_qplib_mark_qp_error(void *qp_handle)
 	/* Must block new posting of SQ and RQ */
 	qp->state = CMDQ_MODIFY_QP_NEW_STATE_ERR;
 	bnxt_qplib_cancel_phantom_processing(qp);
-
-	/* Add qp to flush list of the CQ */
-	__bnxt_qplib_add_flush_qp(qp);
 }
 
 /* Note: SQE is valid from sw_sq_cons up to cqe_sq_cons (exclusive)
@@ -2285,9 +2242,9 @@ static int bnxt_qplib_cq_process_req(struct bnxt_qplib_cq *cq,
 				sw_sq_cons, cqe->wr_id, cqe->status);
 			cqe++;
 			(*budget)--;
-			bnxt_qplib_lock_buddy_cq(qp, cq);
 			bnxt_qplib_mark_qp_error(qp);
-			bnxt_qplib_unlock_buddy_cq(qp, cq);
+			/* Add qp to flush list of the CQ */
+			bnxt_qplib_add_flush_qp(qp);
 		} else {
 			if (swq->flags & SQ_SEND_FLAGS_SIGNAL_COMP) {
 				/* Before we complete, do WA 9060 */
@@ -2403,9 +2360,7 @@ static int bnxt_qplib_cq_process_res_rc(struct bnxt_qplib_cq *cq,
 		if (hwcqe->status != CQ_RES_RC_STATUS_OK) {
 			qp->state = CMDQ_MODIFY_QP_NEW_STATE_ERR;
 			/* Add qp to flush list of the CQ */
-			bnxt_qplib_lock_buddy_cq(qp, cq);
-			__bnxt_qplib_add_flush_qp(qp);
-			bnxt_qplib_unlock_buddy_cq(qp, cq);
+			bnxt_qplib_add_flush_qp(qp);
 		}
 	}
 
@@ -2489,9 +2444,7 @@ static int bnxt_qplib_cq_process_res_ud(struct bnxt_qplib_cq *cq,
 		if (hwcqe->status != CQ_RES_RC_STATUS_OK) {
 			qp->state = CMDQ_MODIFY_QP_NEW_STATE_ERR;
 			/* Add qp to flush list of the CQ */
-			bnxt_qplib_lock_buddy_cq(qp, cq);
-			__bnxt_qplib_add_flush_qp(qp);
-			bnxt_qplib_unlock_buddy_cq(qp, cq);
+			bnxt_qplib_add_flush_qp(qp);
 		}
 	}
 done:
@@ -2501,11 +2454,9 @@ done:
 bool bnxt_qplib_is_cq_empty(struct bnxt_qplib_cq *cq)
 {
 	struct cq_base *hw_cqe, **hw_cqe_ptr;
-	unsigned long flags;
 	u32 sw_cons, raw_cons;
 	bool rc = true;
 
-	spin_lock_irqsave(&cq->hwq.lock, flags);
 	raw_cons = cq->hwq.cons;
 	sw_cons = HWQ_CMP(raw_cons, &cq->hwq);
 	hw_cqe_ptr = (struct cq_base **)cq->hwq.pbl_ptr;
@@ -2513,7 +2464,6 @@ bool bnxt_qplib_is_cq_empty(struct bnxt_qplib_cq *cq)
 
 	 /* Check for Valid bit. If the CQE is valid, return false */
 	rc = !CQE_CMP_VALID(hw_cqe, raw_cons, cq->hwq.max_elements);
-	spin_unlock_irqrestore(&cq->hwq.lock, flags);
 	return rc;
 }
 
@@ -2602,9 +2552,7 @@ static int bnxt_qplib_cq_process_res_raweth_qp1(struct bnxt_qplib_cq *cq,
 		if (hwcqe->status != CQ_RES_RC_STATUS_OK) {
 			qp->state = CMDQ_MODIFY_QP_NEW_STATE_ERR;
 			/* Add qp to flush list of the CQ */
-			bnxt_qplib_lock_buddy_cq(qp, cq);
-			__bnxt_qplib_add_flush_qp(qp);
-			bnxt_qplib_unlock_buddy_cq(qp, cq);
+			bnxt_qplib_add_flush_qp(qp);
 		}
 	}
 
@@ -2719,9 +2667,7 @@ do_rq:
 	 */
 
 	/* Add qp to flush list of the CQ */
-	bnxt_qplib_lock_buddy_cq(qp, cq);
-	__bnxt_qplib_add_flush_qp(qp);
-	bnxt_qplib_unlock_buddy_cq(qp, cq);
+	bnxt_qplib_add_flush_qp(qp);
 done:
 	return rc;
 }
@@ -2750,7 +2696,7 @@ int bnxt_qplib_process_flush_list(struct bnxt_qplib_cq *cq,
 	u32 budget = num_cqes;
 	unsigned long flags;
 
-	spin_lock_irqsave(&cq->hwq.lock, flags);
+	spin_lock_irqsave(&cq->flush_lock, flags);
 	list_for_each_entry(qp, &cq->sqf_head, sq_flush) {
 		dev_dbg(&cq->hwq.pdev->dev,
 			"QPLIB: FP: Flushing SQ QP= %p",
@@ -2764,7 +2710,7 @@ int bnxt_qplib_process_flush_list(struct bnxt_qplib_cq *cq,
 			qp);
 		__flush_rq(&qp->rq, qp, &cqe, &budget);
 	}
-	spin_unlock_irqrestore(&cq->hwq.lock, flags);
+	spin_unlock_irqrestore(&cq->flush_lock, flags);
 
 	return num_cqes - budget;
 }
@@ -2773,11 +2719,9 @@ int bnxt_qplib_poll_cq(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe,
 		       int num_cqes, struct bnxt_qplib_qp **lib_qp)
 {
 	struct cq_base *hw_cqe, **hw_cqe_ptr;
-	unsigned long flags;
 	u32 sw_cons, raw_cons;
 	int budget, rc = 0;
 
-	spin_lock_irqsave(&cq->hwq.lock, flags);
 	raw_cons = cq->hwq.cons;
 	budget = num_cqes;
 
@@ -2853,20 +2797,15 @@ int bnxt_qplib_poll_cq(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe,
 		bnxt_qplib_arm_cq(cq, DBR_DBR_TYPE_CQ);
 	}
 exit:
-	spin_unlock_irqrestore(&cq->hwq.lock, flags);
 	return num_cqes - budget;
 }
 
 void bnxt_qplib_req_notify_cq(struct bnxt_qplib_cq *cq, u32 arm_type)
 {
-	unsigned long flags;
-
-	spin_lock_irqsave(&cq->hwq.lock, flags);
 	if (arm_type)
 		bnxt_qplib_arm_cq(cq, arm_type);
 	/* Using cq->arm_state variable to track whether to issue cq handler */
 	atomic_set(&cq->arm_state, 1);
-	spin_unlock_irqrestore(&cq->hwq.lock, flags);
 }
 
 void bnxt_qplib_flush_cqn_wq(struct bnxt_qplib_qp *qp)
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h
index ca0a2ffa3509..ade9f13c0fd1 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h
@@ -389,6 +389,18 @@ struct bnxt_qplib_cq {
 	struct list_head		sqf_head, rqf_head;
 	atomic_t			arm_state;
 	spinlock_t			compl_lock; /* synch CQ handlers */
+/* Locking Notes:
+ * QP can move to error state from modify_qp, async error event or error
+ * CQE as part of poll_cq. When QP is moved to error state, it gets added
+ * to two flush lists, one each for SQ and RQ.
+ * Each flush list is protected by qplib_cq->flush_lock. Both scq and rcq
+ * flush_locks should be acquired when QP is moved to error. The control path
+ * operations(modify_qp and async error events) are synchronized with poll_cq
+ * using upper level CQ locks (bnxt_re_cq->cq_lock) of both SCQ and RCQ.
+ * The qplib_cq->flush_lock is required to synchronize two instances of poll_cq
+ * of the same QP while manipulating the flush list.
+ */
+	spinlock_t			flush_lock; /* QP flush management */
 };
 
 #define BNXT_QPLIB_MAX_IRRQE_ENTRY_SIZE	sizeof(struct xrrq_irrq)
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
index 8329ec6a7946..80027a494730 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
@@ -305,9 +305,8 @@ static int bnxt_qplib_process_qp_event(struct bnxt_qplib_rcfw *rcfw,
 			err_event->res_err_state_reason);
 		if (!qp)
 			break;
-		bnxt_qplib_acquire_cq_locks(qp, &flags);
 		bnxt_qplib_mark_qp_error(qp);
-		bnxt_qplib_release_cq_locks(qp, &flags);
+		rcfw->aeq_handler(rcfw, qp_event, qp);
 		break;
 	default:
 		/* Command Response */
@@ -460,7 +459,11 @@ int bnxt_qplib_init_rcfw(struct bnxt_qplib_rcfw *rcfw,
 	int rc;
 
 	RCFW_CMD_PREP(req, INITIALIZE_FW, cmd_flags);
-
+	/* Supply (log-base-2-of-host-page-size - base-page-shift)
+	 * to bono to adjust the doorbell page sizes.
+	 */
+	req.log2_dbr_pg_size = cpu_to_le16(PAGE_SHIFT -
+					   RCFW_DBR_BASE_PAGE_SHIFT);
 	/*
 	 * VFs need not setup the HW context area, PF
 	 * shall setup this area for VF. Skipping the
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
index 6bee6e3636ea..c7cce2e4185e 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
@@ -49,6 +49,7 @@
 #define RCFW_COMM_SIZE			0x104
 
 #define RCFW_DBR_PCI_BAR_REGION		2
+#define RCFW_DBR_BASE_PAGE_SHIFT	12
 
 #define RCFW_CMD_PREP(req, CMD, cmd_flags)				\
 	do {								\
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
index 03057983341f..ee98e5efef84 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
@@ -139,7 +139,8 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
 	attr->max_pkey = le32_to_cpu(sb->max_pkeys);
 
 	attr->max_inline_data = le32_to_cpu(sb->max_inline_data);
-	attr->l2_db_size = (sb->l2_db_space_size + 1) * PAGE_SIZE;
+	attr->l2_db_size = (sb->l2_db_space_size + 1) *
+			    (0x01 << RCFW_DBR_BASE_PAGE_SHIFT);
 	attr->max_sgid = le32_to_cpu(sb->max_gid);
 
 	bnxt_qplib_query_version(rcfw, attr->fw_ver);
diff --git a/drivers/infiniband/hw/bnxt_re/roce_hsi.h b/drivers/infiniband/hw/bnxt_re/roce_hsi.h
index 2d7ea096a247..3e5a4f760d0e 100644
--- a/drivers/infiniband/hw/bnxt_re/roce_hsi.h
+++ b/drivers/infiniband/hw/bnxt_re/roce_hsi.h
@@ -1761,7 +1761,30 @@ struct cmdq_initialize_fw {
 	#define CMDQ_INITIALIZE_FW_TIM_PG_SIZE_PG_2M		   (0x3UL << 4)
 	#define CMDQ_INITIALIZE_FW_TIM_PG_SIZE_PG_8M		   (0x4UL << 4)
 	#define CMDQ_INITIALIZE_FW_TIM_PG_SIZE_PG_1G		   (0x5UL << 4)
-	__le16 reserved16;
+	/* This value is (log-base-2-of-DBR-page-size - 12).
+	 * 0 for 4KB. HW supported values are enumerated below.
+	 */
+	__le16  log2_dbr_pg_size;
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_MASK	0xfUL
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_SFT		0
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_4K	0x0UL
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_8K	0x1UL
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_16K	0x2UL
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_32K	0x3UL
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_64K	0x4UL
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_128K	0x5UL
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_256K	0x6UL
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_512K	0x7UL
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_1M	0x8UL
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_2M	0x9UL
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_4M	0xaUL
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_8M	0xbUL
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_16M	0xcUL
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_32M	0xdUL
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_64M	0xeUL
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_128M	0xfUL
+	#define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_LAST		\
+			CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_128M
 	__le64 qpc_page_dir;
 	__le64 mrw_page_dir;
 	__le64 srq_page_dir;
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index 9a566ee3ceff..82adc0d1d30e 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -601,6 +601,7 @@ static void use_tunnel_data(struct mlx4_ib_qp *qp, struct mlx4_ib_cq *cq, struct
 	wc->dlid_path_bits = 0;
 
 	if (is_eth) {
+		wc->slid = 0;
 		wc->vlan_id = be16_to_cpu(hdr->tun.sl_vid);
 		memcpy(&(wc->smac[0]), (char *)&hdr->tun.mac_31_0, 4);
 		memcpy(&(wc->smac[4]), (char *)&hdr->tun.slid_mac_47_32, 2);
@@ -851,7 +852,6 @@ repoll:
 			}
 		}
 
-		wc->slid	   = be16_to_cpu(cqe->rlid);
 		g_mlpath_rqpn	   = be32_to_cpu(cqe->g_mlpath_rqpn);
 		wc->src_qp	   = g_mlpath_rqpn & 0xffffff;
 		wc->dlid_path_bits = (g_mlpath_rqpn >> 24) & 0x7f;
@@ -860,6 +860,7 @@ repoll:
 		wc->wc_flags	  |= mlx4_ib_ipoib_csum_ok(cqe->status,
 					cqe->checksum) ? IB_WC_IP_CSUM_OK : 0;
 		if (is_eth) {
+			wc->slid = 0;
 			wc->sl  = be16_to_cpu(cqe->sl_vid) >> 13;
 			if (be32_to_cpu(cqe->vlan_my_qpn) &
 					MLX4_CQE_CVLAN_PRESENT_MASK) {
@@ -871,6 +872,7 @@ repoll:
 			memcpy(wc->smac, cqe->smac, ETH_ALEN);
 			wc->wc_flags |= (IB_WC_WITH_VLAN | IB_WC_WITH_SMAC);
 		} else {
+			wc->slid = be16_to_cpu(cqe->rlid);
 			wc->sl  = be16_to_cpu(cqe->sl_vid) >> 12;
 			wc->vlan_id = 0xffff;
 		}
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 8d2ee9322f2e..5a0e4fc4785a 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -219,8 +219,6 @@ static int mlx4_ib_update_gids_v1_v2(struct gid_entry *gids,
 			gid_tbl[i].version = 2;
 			if (!ipv6_addr_v4mapped((struct in6_addr *)&gids[i].gid))
 				gid_tbl[i].type = 1;
-			else
-				memset(&gid_tbl[i].gid, 0, 12);
 		}
 	}
 
@@ -366,8 +364,13 @@ static int mlx4_ib_del_gid(struct ib_device *device,
 		if (!gids) {
 			ret = -ENOMEM;
 		} else {
-			for (i = 0; i < MLX4_MAX_PORT_GIDS; i++)
-				memcpy(&gids[i].gid, &port_gid_table->gids[i].gid, sizeof(union ib_gid));
+			for (i = 0; i < MLX4_MAX_PORT_GIDS; i++) {
+				memcpy(&gids[i].gid,
+				       &port_gid_table->gids[i].gid,
+				       sizeof(union ib_gid));
+				gids[i].gid_type =
+				    port_gid_table->gids[i].gid_type;
+			}
 		}
 	}
 	spin_unlock_bh(&iboe->lock);
diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c
index 5b974fb97611..15457c9569a7 100644
--- a/drivers/infiniband/hw/mlx5/cq.c
+++ b/drivers/infiniband/hw/mlx5/cq.c
@@ -226,7 +226,6 @@ static void handle_responder(struct ib_wc *wc, struct mlx5_cqe64 *cqe,
 		wc->ex.invalidate_rkey = be32_to_cpu(cqe->imm_inval_pkey);
 		break;
 	}
-	wc->slid	   = be16_to_cpu(cqe->slid);
 	wc->src_qp	   = be32_to_cpu(cqe->flags_rqpn) & 0xffffff;
 	wc->dlid_path_bits = cqe->ml_path;
 	g = (be32_to_cpu(cqe->flags_rqpn) >> 28) & 3;
@@ -241,10 +240,12 @@ static void handle_responder(struct ib_wc *wc, struct mlx5_cqe64 *cqe,
 	}
 
 	if (ll != IB_LINK_LAYER_ETHERNET) {
+		wc->slid = be16_to_cpu(cqe->slid);
 		wc->sl = (be32_to_cpu(cqe->flags_rqpn) >> 24) & 0xf;
 		return;
 	}
 
+	wc->slid = 0;
 	vlan_present = cqe->l4_l3_hdr_type & 0x1;
 	roce_packet_type   = (be32_to_cpu(cqe->flags_rqpn) >> 24) & 0x3;
 	if (vlan_present) {
@@ -1177,7 +1178,12 @@ static int resize_user(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq,
 	if (ucmd.reserved0 || ucmd.reserved1)
 		return -EINVAL;
 
-	umem = ib_umem_get(context, ucmd.buf_addr, entries * ucmd.cqe_size,
+	/* check multiplication overflow */
+	if (ucmd.cqe_size && SIZE_MAX / ucmd.cqe_size <= entries - 1)
+		return -EINVAL;
+
+	umem = ib_umem_get(context, ucmd.buf_addr,
+			   (size_t)ucmd.cqe_size * entries,
 			   IB_ACCESS_LOCAL_WRITE, 1);
 	if (IS_ERR(umem)) {
 		err = PTR_ERR(umem);
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 4236c8086820..033b6af90de9 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -245,12 +245,16 @@ struct mlx5_core_dev *mlx5_ib_get_native_port_mdev(struct mlx5_ib_dev *ibdev,
 	struct mlx5_ib_multiport_info *mpi;
 	struct mlx5_ib_port *port;
 
+	if (!mlx5_core_mp_enabled(ibdev->mdev) ||
+	    ll != IB_LINK_LAYER_ETHERNET) {
+		if (native_port_num)
+			*native_port_num = ib_port_num;
+		return ibdev->mdev;
+	}
+
 	if (native_port_num)
 		*native_port_num = 1;
 
-	if (!mlx5_core_mp_enabled(ibdev->mdev) || ll != IB_LINK_LAYER_ETHERNET)
-		return ibdev->mdev;
-
 	port = &ibdev->port[ib_port_num - 1];
 	if (!port)
 		return NULL;
@@ -3263,7 +3267,7 @@ static void mlx5_ib_handle_event(struct work_struct *_work)
 	struct mlx5_ib_dev *ibdev;
 	struct ib_event ibev;
 	bool fatal = false;
-	u8 port = 0;
+	u8 port = (u8)work->param;
 
 	if (mlx5_core_is_mp_slave(work->dev)) {
 		ibdev = mlx5_ib_get_ibdev_from_mpi(work->context);
@@ -3283,8 +3287,6 @@ static void mlx5_ib_handle_event(struct work_struct *_work)
 	case MLX5_DEV_EVENT_PORT_UP:
 	case MLX5_DEV_EVENT_PORT_DOWN:
 	case MLX5_DEV_EVENT_PORT_INITIALIZED:
-		port = (u8)work->param;
-
 		/* In RoCE, port up/down events are handled in
 		 * mlx5_netdev_event().
 		 */
@@ -3298,24 +3300,19 @@ static void mlx5_ib_handle_event(struct work_struct *_work)
 
 	case MLX5_DEV_EVENT_LID_CHANGE:
 		ibev.event = IB_EVENT_LID_CHANGE;
-		port = (u8)work->param;
 		break;
 
 	case MLX5_DEV_EVENT_PKEY_CHANGE:
 		ibev.event = IB_EVENT_PKEY_CHANGE;
-		port = (u8)work->param;
-
 		schedule_work(&ibdev->devr.ports[port - 1].pkey_change_work);
 		break;
 
 	case MLX5_DEV_EVENT_GUID_CHANGE:
 		ibev.event = IB_EVENT_GID_CHANGE;
-		port = (u8)work->param;
 		break;
 
 	case MLX5_DEV_EVENT_CLIENT_REREG:
 		ibev.event = IB_EVENT_CLIENT_REREGISTER;
-		port = (u8)work->param;
 		break;
 	case MLX5_DEV_EVENT_DELAY_DROP_TIMEOUT:
 		schedule_work(&ibdev->delay_drop.delay_drop_work);
@@ -3327,7 +3324,7 @@ static void mlx5_ib_handle_event(struct work_struct *_work)
 	ibev.device	      = &ibdev->ib_dev;
 	ibev.element.port_num = port;
 
-	if (port < 1 || port > ibdev->num_ports) {
+	if (!rdma_is_port_valid(&ibdev->ib_dev, port)) {
 		mlx5_ib_warn(ibdev, "warning: event on port %d\n", port);
 		goto out;
 	}
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 556e015678de..1961c6a45437 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -1816,7 +1816,6 @@ mlx5_ib_sg_to_klms(struct mlx5_ib_mr *mr,
 
 	mr->ibmr.iova = sg_dma_address(sg) + sg_offset;
 	mr->ibmr.length = 0;
-	mr->ndescs = sg_nents;
 
 	for_each_sg(sgl, sg, sg_nents, i) {
 		if (unlikely(i >= mr->max_descs))
@@ -1828,6 +1827,7 @@ mlx5_ib_sg_to_klms(struct mlx5_ib_mr *mr,
 
 		sg_offset = 0;
 	}
+	mr->ndescs = i;
 
 	if (sg_offset_p)
 		*sg_offset_p = sg_offset;
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 39d24bf694a8..36197fbac63a 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -1584,6 +1584,7 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd,
 	u32 uidx = MLX5_IB_DEFAULT_UIDX;
 	struct mlx5_ib_create_qp ucmd;
 	struct mlx5_ib_qp_base *base;
+	int mlx5_st;
 	void *qpc;
 	u32 *in;
 	int err;
@@ -1592,6 +1593,10 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd,
 	spin_lock_init(&qp->sq.lock);
 	spin_lock_init(&qp->rq.lock);
 
+	mlx5_st = to_mlx5_st(init_attr->qp_type);
+	if (mlx5_st < 0)
+		return -EINVAL;
+
 	if (init_attr->rwq_ind_tbl) {
 		if (!udata)
 			return -ENOSYS;
@@ -1753,7 +1758,7 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd,
 
 	qpc = MLX5_ADDR_OF(create_qp_in, in, qpc);
 
-	MLX5_SET(qpc, qpc, st, to_mlx5_st(init_attr->qp_type));
+	MLX5_SET(qpc, qpc, st, mlx5_st);
 	MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
 
 	if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR)
@@ -3095,8 +3100,10 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp,
 		goto out;
 
 	if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE ||
-	    !optab[mlx5_cur][mlx5_new])
+	    !optab[mlx5_cur][mlx5_new]) {
+		err = -EINVAL;
 		goto out;
+	}
 
 	op = optab[mlx5_cur][mlx5_new];
 	optpar = ib_mask_to_mlx5_opt(attr_mask);
diff --git a/drivers/infiniband/hw/qedr/qedr_iw_cm.c b/drivers/infiniband/hw/qedr/qedr_iw_cm.c
index 478b7317b80a..26dc374787f7 100644
--- a/drivers/infiniband/hw/qedr/qedr_iw_cm.c
+++ b/drivers/infiniband/hw/qedr/qedr_iw_cm.c
@@ -458,8 +458,7 @@ qedr_addr6_resolve(struct qedr_dev *dev,
 		}
 		return -EINVAL;
 	}
-	neigh = dst_neigh_lookup(dst, &dst_in);
-
+	neigh = dst_neigh_lookup(dst, &fl6.daddr);
 	if (neigh) {
 		rcu_read_lock();
 		if (neigh->nud_state & NUD_VALID) {
@@ -494,10 +493,14 @@ int qedr_iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
 
 	qp = idr_find(&dev->qpidr, conn_param->qpn);
 
-	laddr = (struct sockaddr_in *)&cm_id->local_addr;
-	raddr = (struct sockaddr_in *)&cm_id->remote_addr;
-	laddr6 = (struct sockaddr_in6 *)&cm_id->local_addr;
-	raddr6 = (struct sockaddr_in6 *)&cm_id->remote_addr;
+	laddr = (struct sockaddr_in *)&cm_id->m_local_addr;
+	raddr = (struct sockaddr_in *)&cm_id->m_remote_addr;
+	laddr6 = (struct sockaddr_in6 *)&cm_id->m_local_addr;
+	raddr6 = (struct sockaddr_in6 *)&cm_id->m_remote_addr;
+
+	DP_DEBUG(dev, QEDR_MSG_IWARP, "MAPPED %d %d\n",
+		 ntohs(((struct sockaddr_in *)&cm_id->remote_addr)->sin_port),
+		 ntohs(raddr->sin_port));
 
 	DP_DEBUG(dev, QEDR_MSG_IWARP,
 		 "Connect source address: %pISpc, remote address: %pISpc\n",
@@ -599,8 +602,8 @@ int qedr_iw_create_listen(struct iw_cm_id *cm_id, int backlog)
 	int rc;
 	int i;
 
-	laddr = (struct sockaddr_in *)&cm_id->local_addr;
-	laddr6 = (struct sockaddr_in6 *)&cm_id->local_addr;
+	laddr = (struct sockaddr_in *)&cm_id->m_local_addr;
+	laddr6 = (struct sockaddr_in6 *)&cm_id->m_local_addr;
 
 	DP_DEBUG(dev, QEDR_MSG_IWARP,
 		 "Create Listener address: %pISpc\n", &cm_id->local_addr);
diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
index 53f00dbf313f..875b17272d65 100644
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -3034,6 +3034,11 @@ static int __qedr_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 
 	switch (wr->opcode) {
 	case IB_WR_SEND_WITH_IMM:
+		if (unlikely(rdma_protocol_iwarp(&dev->ibdev, 1))) {
+			rc = -EINVAL;
+			*bad_wr = wr;
+			break;
+		}
 		wqe->req_type = RDMA_SQ_REQ_TYPE_SEND_WITH_IMM;
 		swqe = (struct rdma_sq_send_wqe_1st *)wqe;
 		swqe->wqe_size = 2;
@@ -3075,6 +3080,11 @@ static int __qedr_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 		break;
 
 	case IB_WR_RDMA_WRITE_WITH_IMM:
+		if (unlikely(rdma_protocol_iwarp(&dev->ibdev, 1))) {
+			rc = -EINVAL;
+			*bad_wr = wr;
+			break;
+		}
 		wqe->req_type = RDMA_SQ_REQ_TYPE_RDMA_WR_WITH_IMM;
 		rwqe = (struct rdma_sq_rdma_wqe_1st *)wqe;
 
@@ -3724,7 +3734,7 @@ int qedr_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc)
 {
 	struct qedr_dev *dev = get_qedr_dev(ibcq->device);
 	struct qedr_cq *cq = get_qedr_cq(ibcq);
-	union rdma_cqe *cqe = cq->latest_cqe;
+	union rdma_cqe *cqe;
 	u32 old_cons, new_cons;
 	unsigned long flags;
 	int update = 0;
@@ -3741,6 +3751,7 @@ int qedr_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc)
 		return qedr_gsi_poll_cq(ibcq, num_entries, wc);
 
 	spin_lock_irqsave(&cq->cq_lock, flags);
+	cqe = cq->latest_cqe;
 	old_cons = qed_chain_get_cons_idx_u32(&cq->pbl);
 	while (num_entries && is_valid_cqe(cq, cqe)) {
 		struct qedr_qp *qp;
diff --git a/drivers/infiniband/sw/rdmavt/mr.c b/drivers/infiniband/sw/rdmavt/mr.c
index 1b2e5362a3ff..cc429b567d0a 100644
--- a/drivers/infiniband/sw/rdmavt/mr.c
+++ b/drivers/infiniband/sw/rdmavt/mr.c
@@ -489,11 +489,13 @@ static int rvt_check_refs(struct rvt_mregion *mr, const char *t)
 	unsigned long timeout;
 	struct rvt_dev_info *rdi = ib_to_rvt(mr->pd->device);
 
-	if (percpu_ref_is_zero(&mr->refcount))
-		return 0;
-	/* avoid dma mr */
-	if (mr->lkey)
+	if (mr->lkey) {
+		/* avoid dma mr */
 		rvt_dereg_clean_qps(mr);
+		/* @mr was indexed on rcu protected @lkey_table */
+		synchronize_rcu();
+	}
+
 	timeout = wait_for_completion_timeout(&mr->comp, 5 * HZ);
 	if (!timeout) {
 		rvt_pr_err(rdi,
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c
index 1f316d66e6f7..41614c185918 100644
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c
@@ -218,8 +218,10 @@ static void matrix_keypad_stop(struct input_dev *dev)
 {
 	struct matrix_keypad *keypad = input_get_drvdata(dev);
 
+	spin_lock_irq(&keypad->lock);
 	keypad->stopped = true;
-	mb();
+	spin_unlock_irq(&keypad->lock);
+
 	flush_work(&keypad->work.work);
 	/*
 	 * matrix_keypad_scan() will leave IRQs enabled;
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 3d2e23a0ae39..a246fc686bb7 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -173,7 +173,6 @@ static const char * const smbus_pnp_ids[] = {
 	"LEN0046", /* X250 */
 	"LEN004a", /* W541 */
 	"LEN200f", /* T450s */
-	"LEN2018", /* T460p */
 	NULL
 };
 
diff --git a/drivers/input/touchscreen/mms114.c b/drivers/input/touchscreen/mms114.c
index db4f6bb502e3..a5ab774da4cc 100644
--- a/drivers/input/touchscreen/mms114.c
+++ b/drivers/input/touchscreen/mms114.c
@@ -1,11 +1,8 @@
-/*
- * Copyright (C) 2012 Samsung Electronics Co.Ltd
- * Author: Joonyoung Shim <jy0922.shim@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
+// SPDX-License-Identifier: GPL-2.0
+// Melfas MMS114/MMS152 touchscreen device driver
+//
+// Copyright (c) 2012 Samsung Electronics Co., Ltd.
+// Author: Joonyoung Shim <jy0922.shim@samsung.com>
 
 #include <linux/module.h>
 #include <linux/delay.h>
@@ -624,4 +621,4 @@ module_i2c_driver(mms114_driver);
 /* Module information */
 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
 MODULE_DESCRIPTION("MELFAS mms114 Touchscreen driver");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 1d3056f53747..2cbb19cddbf8 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -1412,7 +1412,7 @@ static struct irq_chip its_irq_chip = {
  * This gives us (((1UL << id_bits) - 8192) >> 5) possible allocations.
  */
 #define IRQS_PER_CHUNK_SHIFT	5
-#define IRQS_PER_CHUNK		(1 << IRQS_PER_CHUNK_SHIFT)
+#define IRQS_PER_CHUNK		(1UL << IRQS_PER_CHUNK_SHIFT)
 #define ITS_MAX_LPI_NRBITS	16 /* 64K LPIs */
 
 static unsigned long *lpi_bitmap;
@@ -2119,11 +2119,10 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id,
 
 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 	/*
-	 * At least one bit of EventID is being used, hence a minimum
-	 * of two entries. No, the architecture doesn't let you
-	 * express an ITT with a single entry.
+	 * We allocate at least one chunk worth of LPIs bet device,
+	 * and thus that many ITEs. The device may require less though.
 	 */
-	nr_ites = max(2UL, roundup_pow_of_two(nvecs));
+	nr_ites = max(IRQS_PER_CHUNK, roundup_pow_of_two(nvecs));
 	sz = nr_ites * its->ite_size;
 	sz = max(sz, ITS_ITT_ALIGN) + ITS_ITT_ALIGN - 1;
 	itt = kzalloc(sz, GFP_KERNEL);
@@ -2495,7 +2494,7 @@ static int its_vpe_set_affinity(struct irq_data *d,
 
 static void its_vpe_schedule(struct its_vpe *vpe)
 {
-	void * __iomem vlpi_base = gic_data_rdist_vlpi_base();
+	void __iomem *vlpi_base = gic_data_rdist_vlpi_base();
 	u64 val;
 
 	/* Schedule the VPE */
@@ -2527,7 +2526,7 @@ static void its_vpe_schedule(struct its_vpe *vpe)
 
 static void its_vpe_deschedule(struct its_vpe *vpe)
 {
-	void * __iomem vlpi_base = gic_data_rdist_vlpi_base();
+	void __iomem *vlpi_base = gic_data_rdist_vlpi_base();
 	u32 count = 1000000;	/* 1s! */
 	bool clean;
 	u64 val;
diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c
index 675eda5ff2b8..4760307ab43f 100644
--- a/drivers/irqchip/irq-imx-gpcv2.c
+++ b/drivers/irqchip/irq-imx-gpcv2.c
@@ -28,20 +28,6 @@ struct gpcv2_irqchip_data {
 
 static struct gpcv2_irqchip_data *imx_gpcv2_instance;
 
-/*
- * Interface for the low level wakeup code.
- */
-u32 imx_gpcv2_get_wakeup_source(u32 **sources)
-{
-	if (!imx_gpcv2_instance)
-		return 0;
-
-	if (sources)
-		*sources = imx_gpcv2_instance->wakeup_sources;
-
-	return IMR_NUM;
-}
-
 static int gpcv2_wakeup_source_save(void)
 {
 	struct gpcv2_irqchip_data *cd;
diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index 1a46b41dac70..6422846b546e 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -659,11 +659,11 @@ static void do_bio_hook(struct search *s, struct bio *orig_bio)
 static void search_free(struct closure *cl)
 {
 	struct search *s = container_of(cl, struct search, cl);
-	bio_complete(s);
 
 	if (s->iop.bio)
 		bio_put(s->iop.bio);
 
+	bio_complete(s);
 	closure_debug_destroy(cl);
 	mempool_free(s, s->d->c->search);
 }
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 312895788036..f2273143b3cb 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -963,6 +963,7 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c,
 	uint32_t rtime = cpu_to_le32(get_seconds());
 	struct uuid_entry *u;
 	char buf[BDEVNAME_SIZE];
+	struct cached_dev *exist_dc, *t;
 
 	bdevname(dc->bdev, buf);
 
@@ -987,6 +988,16 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c,
 		return -EINVAL;
 	}
 
+	/* Check whether already attached */
+	list_for_each_entry_safe(exist_dc, t, &c->cached_devs, list) {
+		if (!memcmp(dc->sb.uuid, exist_dc->sb.uuid, 16)) {
+			pr_err("Tried to attach %s but duplicate UUID already attached",
+				buf);
+
+			return -EINVAL;
+		}
+	}
+
 	u = uuid_find(c, dc->sb.uuid);
 
 	if (u &&
@@ -1204,7 +1215,7 @@ static void register_bdev(struct cache_sb *sb, struct page *sb_page,
 
 	return;
 err:
-	pr_notice("error opening %s: %s", bdevname(bdev, name), err);
+	pr_notice("error %s: %s", bdevname(bdev, name), err);
 	bcache_device_stop(&dc->disk);
 }
 
@@ -1274,7 +1285,7 @@ static int flash_devs_run(struct cache_set *c)
 	struct uuid_entry *u;
 
 	for (u = c->uuids;
-	     u < c->uuids + c->devices_max_used && !ret;
+	     u < c->uuids + c->nr_uuids && !ret;
 	     u++)
 		if (UUID_FLASH_ONLY(u))
 			ret = flash_dev_run(c, u);
@@ -1883,6 +1894,8 @@ static int register_cache(struct cache_sb *sb, struct page *sb_page,
 	const char *err = NULL; /* must be set for any error case */
 	int ret = 0;
 
+	bdevname(bdev, name);
+
 	memcpy(&ca->sb, sb, sizeof(struct cache_sb));
 	ca->bdev = bdev;
 	ca->bdev->bd_holder = ca;
@@ -1891,11 +1904,12 @@ static int register_cache(struct cache_sb *sb, struct page *sb_page,
 	bio_first_bvec_all(&ca->sb_bio)->bv_page = sb_page;
 	get_page(sb_page);
 
-	if (blk_queue_discard(bdev_get_queue(ca->bdev)))
+	if (blk_queue_discard(bdev_get_queue(bdev)))
 		ca->discard = CACHE_DISCARD(&ca->sb);
 
 	ret = cache_alloc(ca);
 	if (ret != 0) {
+		blkdev_put(bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL);
 		if (ret == -ENOMEM)
 			err = "cache_alloc(): -ENOMEM";
 		else
@@ -1918,14 +1932,14 @@ static int register_cache(struct cache_sb *sb, struct page *sb_page,
 		goto out;
 	}
 
-	pr_info("registered cache device %s", bdevname(bdev, name));
+	pr_info("registered cache device %s", name);
 
 out:
 	kobject_put(&ca->kobj);
 
 err:
 	if (err)
-		pr_notice("error opening %s: %s", bdevname(bdev, name), err);
+		pr_notice("error %s: %s", name, err);
 
 	return ret;
 }
@@ -2014,6 +2028,7 @@ static ssize_t register_bcache(struct kobject *k, struct kobj_attribute *attr,
 	if (err)
 		goto err_close;
 
+	err = "failed to register device";
 	if (SB_IS_BDEV(sb)) {
 		struct cached_dev *dc = kzalloc(sizeof(*dc), GFP_KERNEL);
 		if (!dc)
@@ -2028,7 +2043,7 @@ static ssize_t register_bcache(struct kobject *k, struct kobj_attribute *attr,
 			goto err_close;
 
 		if (register_cache(sb, sb_page, bdev, ca) != 0)
-			goto err_close;
+			goto err;
 	}
 out:
 	if (sb_page)
@@ -2041,7 +2056,7 @@ out:
 err_close:
 	blkdev_put(bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL);
 err:
-	pr_info("error opening %s: %s", path, err);
+	pr_info("error %s: %s", path, err);
 	ret = -EINVAL;
 	goto out;
 }
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 414c9af54ded..aa2032fa80d4 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -386,9 +386,6 @@ static void __cache_size_refresh(void)
 static void *alloc_buffer_data(struct dm_bufio_client *c, gfp_t gfp_mask,
 			       enum data_mode *data_mode)
 {
-	unsigned noio_flag;
-	void *ptr;
-
 	if (c->block_size <= DM_BUFIO_BLOCK_SIZE_SLAB_LIMIT) {
 		*data_mode = DATA_MODE_SLAB;
 		return kmem_cache_alloc(DM_BUFIO_CACHE(c), gfp_mask);
@@ -412,16 +409,15 @@ static void *alloc_buffer_data(struct dm_bufio_client *c, gfp_t gfp_mask,
 	 * all allocations done by this process (including pagetables) are done
 	 * as if GFP_NOIO was specified.
 	 */
+	if (gfp_mask & __GFP_NORETRY) {
+		unsigned noio_flag = memalloc_noio_save();
+		void *ptr = __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL);
 
-	if (gfp_mask & __GFP_NORETRY)
-		noio_flag = memalloc_noio_save();
-
-	ptr = __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL);
-
-	if (gfp_mask & __GFP_NORETRY)
 		memalloc_noio_restore(noio_flag);
+		return ptr;
+	}
 
-	return ptr;
+	return __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL);
 }
 
 /*
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 7d3e572072f5..a05a560d3cba 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -211,29 +211,27 @@ static int alloc_multipath_stage2(struct dm_target *ti, struct multipath *m)
 		else
 			m->queue_mode = DM_TYPE_REQUEST_BASED;
 
-	} else if (m->queue_mode == DM_TYPE_BIO_BASED ||
-		   m->queue_mode == DM_TYPE_NVME_BIO_BASED) {
+	} else if (m->queue_mode == DM_TYPE_BIO_BASED) {
 		INIT_WORK(&m->process_queued_bios, process_queued_bios);
-
-		if (m->queue_mode == DM_TYPE_BIO_BASED) {
-			/*
-			 * bio-based doesn't support any direct scsi_dh management;
-			 * it just discovers if a scsi_dh is attached.
-			 */
-			set_bit(MPATHF_RETAIN_ATTACHED_HW_HANDLER, &m->flags);
-		}
-	}
-
-	if (m->queue_mode != DM_TYPE_NVME_BIO_BASED) {
-		set_bit(MPATHF_QUEUE_IO, &m->flags);
-		atomic_set(&m->pg_init_in_progress, 0);
-		atomic_set(&m->pg_init_count, 0);
-		m->pg_init_delay_msecs = DM_PG_INIT_DELAY_DEFAULT;
-		init_waitqueue_head(&m->pg_init_wait);
+		/*
+		 * bio-based doesn't support any direct scsi_dh management;
+		 * it just discovers if a scsi_dh is attached.
+		 */
+		set_bit(MPATHF_RETAIN_ATTACHED_HW_HANDLER, &m->flags);
 	}
 
 	dm_table_set_type(ti->table, m->queue_mode);
 
+	/*
+	 * Init fields that are only used when a scsi_dh is attached
+	 * - must do this unconditionally (really doesn't hurt non-SCSI uses)
+	 */
+	set_bit(MPATHF_QUEUE_IO, &m->flags);
+	atomic_set(&m->pg_init_in_progress, 0);
+	atomic_set(&m->pg_init_count, 0);
+	m->pg_init_delay_msecs = DM_PG_INIT_DELAY_DEFAULT;
+	init_waitqueue_head(&m->pg_init_wait);
+
 	return 0;
 }
 
@@ -337,9 +335,6 @@ static void __switch_pg(struct multipath *m, struct priority_group *pg)
 {
 	m->current_pg = pg;
 
-	if (m->queue_mode == DM_TYPE_NVME_BIO_BASED)
-		return;
-
 	/* Must we initialise the PG first, and queue I/O till it's ready? */
 	if (m->hw_handler_name) {
 		set_bit(MPATHF_PG_INIT_REQUIRED, &m->flags);
@@ -385,8 +380,7 @@ static struct pgpath *choose_pgpath(struct multipath *m, size_t nr_bytes)
 	unsigned bypassed = 1;
 
 	if (!atomic_read(&m->nr_valid_paths)) {
-		if (m->queue_mode != DM_TYPE_NVME_BIO_BASED)
-			clear_bit(MPATHF_QUEUE_IO, &m->flags);
+		clear_bit(MPATHF_QUEUE_IO, &m->flags);
 		goto failed;
 	}
 
@@ -599,7 +593,7 @@ static struct pgpath *__map_bio(struct multipath *m, struct bio *bio)
 	return pgpath;
 }
 
-static struct pgpath *__map_bio_nvme(struct multipath *m, struct bio *bio)
+static struct pgpath *__map_bio_fast(struct multipath *m, struct bio *bio)
 {
 	struct pgpath *pgpath;
 	unsigned long flags;
@@ -634,8 +628,8 @@ static int __multipath_map_bio(struct multipath *m, struct bio *bio,
 {
 	struct pgpath *pgpath;
 
-	if (m->queue_mode == DM_TYPE_NVME_BIO_BASED)
-		pgpath = __map_bio_nvme(m, bio);
+	if (!m->hw_handler_name)
+		pgpath = __map_bio_fast(m, bio);
 	else
 		pgpath = __map_bio(m, bio);
 
@@ -675,8 +669,7 @@ static void process_queued_io_list(struct multipath *m)
 {
 	if (m->queue_mode == DM_TYPE_MQ_REQUEST_BASED)
 		dm_mq_kick_requeue_list(dm_table_get_md(m->ti->table));
-	else if (m->queue_mode == DM_TYPE_BIO_BASED ||
-		 m->queue_mode == DM_TYPE_NVME_BIO_BASED)
+	else if (m->queue_mode == DM_TYPE_BIO_BASED)
 		queue_work(kmultipathd, &m->process_queued_bios);
 }
 
@@ -811,15 +804,14 @@ static int parse_path_selector(struct dm_arg_set *as, struct priority_group *pg,
 	return 0;
 }
 
-static int setup_scsi_dh(struct block_device *bdev, struct multipath *m, char **error)
+static int setup_scsi_dh(struct block_device *bdev, struct multipath *m,
+			 const char *attached_handler_name, char **error)
 {
 	struct request_queue *q = bdev_get_queue(bdev);
-	const char *attached_handler_name;
 	int r;
 
 	if (test_bit(MPATHF_RETAIN_ATTACHED_HW_HANDLER, &m->flags)) {
 retain:
-		attached_handler_name = scsi_dh_attached_handler_name(q, GFP_KERNEL);
 		if (attached_handler_name) {
 			/*
 			 * Clear any hw_handler_params associated with a
@@ -873,6 +865,8 @@ static struct pgpath *parse_path(struct dm_arg_set *as, struct path_selector *ps
 	int r;
 	struct pgpath *p;
 	struct multipath *m = ti->private;
+	struct request_queue *q;
+	const char *attached_handler_name;
 
 	/* we need at least a path arg */
 	if (as->argc < 1) {
@@ -891,9 +885,11 @@ static struct pgpath *parse_path(struct dm_arg_set *as, struct path_selector *ps
 		goto bad;
 	}
 
-	if (m->queue_mode != DM_TYPE_NVME_BIO_BASED) {
+	q = bdev_get_queue(p->path.dev->bdev);
+	attached_handler_name = scsi_dh_attached_handler_name(q, GFP_KERNEL);
+	if (attached_handler_name) {
 		INIT_DELAYED_WORK(&p->activate_path, activate_path_work);
-		r = setup_scsi_dh(p->path.dev->bdev, m, &ti->error);
+		r = setup_scsi_dh(p->path.dev->bdev, m, attached_handler_name, &ti->error);
 		if (r) {
 			dm_put_device(ti, p->path.dev);
 			goto bad;
@@ -1001,8 +997,7 @@ static int parse_hw_handler(struct dm_arg_set *as, struct multipath *m)
 	if (!hw_argc)
 		return 0;
 
-	if (m->queue_mode == DM_TYPE_BIO_BASED ||
-	    m->queue_mode == DM_TYPE_NVME_BIO_BASED) {
+	if (m->queue_mode == DM_TYPE_BIO_BASED) {
 		dm_consume_args(as, hw_argc);
 		DMERR("bio-based multipath doesn't allow hardware handler args");
 		return 0;
@@ -1091,8 +1086,6 @@ static int parse_features(struct dm_arg_set *as, struct multipath *m)
 
 			if (!strcasecmp(queue_mode_name, "bio"))
 				m->queue_mode = DM_TYPE_BIO_BASED;
-			else if (!strcasecmp(queue_mode_name, "nvme"))
-				m->queue_mode = DM_TYPE_NVME_BIO_BASED;
 			else if (!strcasecmp(queue_mode_name, "rq"))
 				m->queue_mode = DM_TYPE_REQUEST_BASED;
 			else if (!strcasecmp(queue_mode_name, "mq"))
@@ -1193,7 +1186,7 @@ static int multipath_ctr(struct dm_target *ti, unsigned argc, char **argv)
 	ti->num_discard_bios = 1;
 	ti->num_write_same_bios = 1;
 	ti->num_write_zeroes_bios = 1;
-	if (m->queue_mode == DM_TYPE_BIO_BASED || m->queue_mode == DM_TYPE_NVME_BIO_BASED)
+	if (m->queue_mode == DM_TYPE_BIO_BASED)
 		ti->per_io_data_size = multipath_per_bio_data_size();
 	else
 		ti->per_io_data_size = sizeof(struct dm_mpath_io);
@@ -1730,9 +1723,6 @@ static void multipath_status(struct dm_target *ti, status_type_t type,
 			case DM_TYPE_BIO_BASED:
 				DMEMIT("queue_mode bio ");
 				break;
-			case DM_TYPE_NVME_BIO_BASED:
-				DMEMIT("queue_mode nvme ");
-				break;
 			case DM_TYPE_MQ_REQUEST_BASED:
 				DMEMIT("queue_mode mq ");
 				break;
@@ -2030,8 +2020,9 @@ static int multipath_busy(struct dm_target *ti)
  *---------------------------------------------------------------*/
 static struct target_type multipath_target = {
 	.name = "multipath",
-	.version = {1, 12, 0},
-	.features = DM_TARGET_SINGLETON | DM_TARGET_IMMUTABLE,
+	.version = {1, 13, 0},
+	.features = DM_TARGET_SINGLETON | DM_TARGET_IMMUTABLE |
+		    DM_TARGET_PASSES_INTEGRITY,
 	.module = THIS_MODULE,
 	.ctr = multipath_ctr,
 	.dtr = multipath_dtr,
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 7ef469e902c6..c1d1034ff7b7 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -3408,9 +3408,10 @@ static sector_t rs_get_progress(struct raid_set *rs, unsigned long recovery,
 		set_bit(RT_FLAG_RS_IN_SYNC, &rs->runtime_flags);
 
 	} else {
-		if (test_bit(MD_RECOVERY_NEEDED, &recovery) ||
-		    test_bit(MD_RECOVERY_RESHAPE, &recovery) ||
-		    test_bit(MD_RECOVERY_RUNNING, &recovery))
+		if (!test_bit(MD_RECOVERY_INTR, &recovery) &&
+		    (test_bit(MD_RECOVERY_NEEDED, &recovery) ||
+		     test_bit(MD_RECOVERY_RESHAPE, &recovery) ||
+		     test_bit(MD_RECOVERY_RUNNING, &recovery)))
 			r = mddev->curr_resync_completed;
 		else
 			r = mddev->recovery_cp;
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 5fe7ec356c33..7eb3e2a3c07d 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -942,17 +942,12 @@ static int dm_table_determine_type(struct dm_table *t)
 
 	if (t->type != DM_TYPE_NONE) {
 		/* target already set the table's type */
-		if (t->type == DM_TYPE_BIO_BASED)
-			return 0;
-		else if (t->type == DM_TYPE_NVME_BIO_BASED) {
-			if (!dm_table_does_not_support_partial_completion(t)) {
-				DMERR("nvme bio-based is only possible with devices"
-				      " that don't support partial completion");
-				return -EINVAL;
-			}
-			/* Fallthru, also verify all devices are blk-mq */
+		if (t->type == DM_TYPE_BIO_BASED) {
+			/* possibly upgrade to a variant of bio-based */
+			goto verify_bio_based;
 		}
 		BUG_ON(t->type == DM_TYPE_DAX_BIO_BASED);
+		BUG_ON(t->type == DM_TYPE_NVME_BIO_BASED);
 		goto verify_rq_based;
 	}
 
@@ -985,6 +980,7 @@ static int dm_table_determine_type(struct dm_table *t)
 	}
 
 	if (bio_based) {
+verify_bio_based:
 		/* We must use this table as bio-based */
 		t->type = DM_TYPE_BIO_BASED;
 		if (dm_table_supports_dax(t) ||
@@ -1755,7 +1751,7 @@ static int device_no_partial_completion(struct dm_target *ti, struct dm_dev *dev
 	char b[BDEVNAME_SIZE];
 
 	/* For now, NVMe devices are the only devices of this class */
-	return (strncmp(bdevname(dev->bdev, b), "nvme", 3) == 0);
+	return (strncmp(bdevname(dev->bdev, b), "nvme", 4) == 0);
 }
 
 static bool dm_table_does_not_support_partial_completion(struct dm_table *t)
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 68136806d365..45328d8b2859 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -458,9 +458,11 @@ static int dm_blk_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return dm_get_geometry(md, geo);
 }
 
-static int dm_grab_bdev_for_ioctl(struct mapped_device *md,
-				  struct block_device **bdev,
-				  fmode_t *mode)
+static char *_dm_claim_ptr = "I belong to device-mapper";
+
+static int dm_get_bdev_for_ioctl(struct mapped_device *md,
+				 struct block_device **bdev,
+				 fmode_t *mode)
 {
 	struct dm_target *tgt;
 	struct dm_table *map;
@@ -490,6 +492,10 @@ retry:
 		goto out;
 
 	bdgrab(*bdev);
+	r = blkdev_get(*bdev, *mode, _dm_claim_ptr);
+	if (r < 0)
+		goto out;
+
 	dm_put_live_table(md, srcu_idx);
 	return r;
 
@@ -508,7 +514,7 @@ static int dm_blk_ioctl(struct block_device *bdev, fmode_t mode,
 	struct mapped_device *md = bdev->bd_disk->private_data;
 	int r;
 
-	r = dm_grab_bdev_for_ioctl(md, &bdev, &mode);
+	r = dm_get_bdev_for_ioctl(md, &bdev, &mode);
 	if (r < 0)
 		return r;
 
@@ -528,7 +534,7 @@ static int dm_blk_ioctl(struct block_device *bdev, fmode_t mode,
 
 	r =  __blkdev_driver_ioctl(bdev, mode, cmd, arg);
 out:
-	bdput(bdev);
+	blkdev_put(bdev, mode);
 	return r;
 }
 
@@ -708,14 +714,13 @@ static void dm_put_live_table_fast(struct mapped_device *md) __releases(RCU)
 static int open_table_device(struct table_device *td, dev_t dev,
 			     struct mapped_device *md)
 {
-	static char *_claim_ptr = "I belong to device-mapper";
 	struct block_device *bdev;
 
 	int r;
 
 	BUG_ON(td->dm_dev.bdev);
 
-	bdev = blkdev_get_by_dev(dev, td->dm_dev.mode | FMODE_EXCL, _claim_ptr);
+	bdev = blkdev_get_by_dev(dev, td->dm_dev.mode | FMODE_EXCL, _dm_claim_ptr);
 	if (IS_ERR(bdev))
 		return PTR_ERR(bdev);
 
@@ -3011,7 +3016,7 @@ static int dm_pr_reserve(struct block_device *bdev, u64 key, enum pr_type type,
 	fmode_t mode;
 	int r;
 
-	r = dm_grab_bdev_for_ioctl(md, &bdev, &mode);
+	r = dm_get_bdev_for_ioctl(md, &bdev, &mode);
 	if (r < 0)
 		return r;
 
@@ -3021,7 +3026,7 @@ static int dm_pr_reserve(struct block_device *bdev, u64 key, enum pr_type type,
 	else
 		r = -EOPNOTSUPP;
 
-	bdput(bdev);
+	blkdev_put(bdev, mode);
 	return r;
 }
 
@@ -3032,7 +3037,7 @@ static int dm_pr_release(struct block_device *bdev, u64 key, enum pr_type type)
 	fmode_t mode;
 	int r;
 
-	r = dm_grab_bdev_for_ioctl(md, &bdev, &mode);
+	r = dm_get_bdev_for_ioctl(md, &bdev, &mode);
 	if (r < 0)
 		return r;
 
@@ -3042,7 +3047,7 @@ static int dm_pr_release(struct block_device *bdev, u64 key, enum pr_type type)
 	else
 		r = -EOPNOTSUPP;
 
-	bdput(bdev);
+	blkdev_put(bdev, mode);
 	return r;
 }
 
@@ -3054,7 +3059,7 @@ static int dm_pr_preempt(struct block_device *bdev, u64 old_key, u64 new_key,
 	fmode_t mode;
 	int r;
 
-	r = dm_grab_bdev_for_ioctl(md, &bdev, &mode);
+	r = dm_get_bdev_for_ioctl(md, &bdev, &mode);
 	if (r < 0)
 		return r;
 
@@ -3064,7 +3069,7 @@ static int dm_pr_preempt(struct block_device *bdev, u64 old_key, u64 new_key,
 	else
 		r = -EOPNOTSUPP;
 
-	bdput(bdev);
+	blkdev_put(bdev, mode);
 	return r;
 }
 
@@ -3075,7 +3080,7 @@ static int dm_pr_clear(struct block_device *bdev, u64 key)
 	fmode_t mode;
 	int r;
 
-	r = dm_grab_bdev_for_ioctl(md, &bdev, &mode);
+	r = dm_get_bdev_for_ioctl(md, &bdev, &mode);
 	if (r < 0)
 		return r;
 
@@ -3085,7 +3090,7 @@ static int dm_pr_clear(struct block_device *bdev, u64 key)
 	else
 		r = -EOPNOTSUPP;
 
-	bdput(bdev);
+	blkdev_put(bdev, mode);
 	return r;
 }
 
diff --git a/drivers/md/md-multipath.c b/drivers/md/md-multipath.c
index e40065bdbfc8..0a7e99d62c69 100644
--- a/drivers/md/md-multipath.c
+++ b/drivers/md/md-multipath.c
@@ -157,7 +157,7 @@ static void multipath_status(struct seq_file *seq, struct mddev *mddev)
 		seq_printf (seq, "%s", rdev && test_bit(In_sync, &rdev->flags) ? "U" : "_");
 	}
 	rcu_read_unlock();
-	seq_printf (seq, "]");
+	seq_putc(seq, ']');
 }
 
 static int multipath_congested(struct mddev *mddev, int bits)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index bc67ab6844f0..254e44e44668 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -801,6 +801,9 @@ void md_super_write(struct mddev *mddev, struct md_rdev *rdev,
 	struct bio *bio;
 	int ff = 0;
 
+	if (!page)
+		return;
+
 	if (test_bit(Faulty, &rdev->flags))
 		return;
 
@@ -5452,6 +5455,7 @@ int md_run(struct mddev *mddev)
 	 * the only valid external interface is through the md
 	 * device.
 	 */
+	mddev->has_superblocks = false;
 	rdev_for_each(rdev, mddev) {
 		if (test_bit(Faulty, &rdev->flags))
 			continue;
@@ -5465,6 +5469,9 @@ int md_run(struct mddev *mddev)
 				set_disk_ro(mddev->gendisk, 1);
 		}
 
+		if (rdev->sb_page)
+			mddev->has_superblocks = true;
+
 		/* perform some consistency tests on the device.
 		 * We don't want the data to overlap the metadata,
 		 * Internal Bitmap issues have been handled elsewhere.
@@ -5497,8 +5504,10 @@ int md_run(struct mddev *mddev)
 	}
 	if (mddev->sync_set == NULL) {
 		mddev->sync_set = bioset_create(BIO_POOL_SIZE, 0, BIOSET_NEED_BVECS);
-		if (!mddev->sync_set)
-			return -ENOMEM;
+		if (!mddev->sync_set) {
+			err = -ENOMEM;
+			goto abort;
+		}
 	}
 
 	spin_lock(&pers_lock);
@@ -5511,7 +5520,8 @@ int md_run(struct mddev *mddev)
 		else
 			pr_warn("md: personality for level %s is not loaded!\n",
 				mddev->clevel);
-		return -EINVAL;
+		err = -EINVAL;
+		goto abort;
 	}
 	spin_unlock(&pers_lock);
 	if (mddev->level != pers->level) {
@@ -5524,7 +5534,8 @@ int md_run(struct mddev *mddev)
 	    pers->start_reshape == NULL) {
 		/* This personality cannot handle reshaping... */
 		module_put(pers->owner);
-		return -EINVAL;
+		err = -EINVAL;
+		goto abort;
 	}
 
 	if (pers->sync_request) {
@@ -5593,7 +5604,7 @@ int md_run(struct mddev *mddev)
 		mddev->private = NULL;
 		module_put(pers->owner);
 		bitmap_destroy(mddev);
-		return err;
+		goto abort;
 	}
 	if (mddev->queue) {
 		bool nonrot = true;
@@ -5655,6 +5666,18 @@ int md_run(struct mddev *mddev)
 	sysfs_notify_dirent_safe(mddev->sysfs_action);
 	sysfs_notify(&mddev->kobj, NULL, "degraded");
 	return 0;
+
+abort:
+	if (mddev->bio_set) {
+		bioset_free(mddev->bio_set);
+		mddev->bio_set = NULL;
+	}
+	if (mddev->sync_set) {
+		bioset_free(mddev->sync_set);
+		mddev->sync_set = NULL;
+	}
+
+	return err;
 }
 EXPORT_SYMBOL_GPL(md_run);
 
@@ -8049,6 +8072,7 @@ EXPORT_SYMBOL(md_done_sync);
 bool md_write_start(struct mddev *mddev, struct bio *bi)
 {
 	int did_change = 0;
+
 	if (bio_data_dir(bi) != WRITE)
 		return true;
 
@@ -8081,6 +8105,8 @@ bool md_write_start(struct mddev *mddev, struct bio *bi)
 	rcu_read_unlock();
 	if (did_change)
 		sysfs_notify_dirent_safe(mddev->sysfs_state);
+	if (!mddev->has_superblocks)
+		return true;
 	wait_event(mddev->sb_wait,
 		   !test_bit(MD_SB_CHANGE_PENDING, &mddev->sb_flags) ||
 		   mddev->suspended);
@@ -8543,6 +8569,19 @@ void md_do_sync(struct md_thread *thread)
 	set_mask_bits(&mddev->sb_flags, 0,
 		      BIT(MD_SB_CHANGE_PENDING) | BIT(MD_SB_CHANGE_DEVS));
 
+	if (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) &&
+			!test_bit(MD_RECOVERY_INTR, &mddev->recovery) &&
+			mddev->delta_disks > 0 &&
+			mddev->pers->finish_reshape &&
+			mddev->pers->size &&
+			mddev->queue) {
+		mddev_lock_nointr(mddev);
+		md_set_array_sectors(mddev, mddev->pers->size(mddev, 0, 0));
+		mddev_unlock(mddev);
+		set_capacity(mddev->gendisk, mddev->array_sectors);
+		revalidate_disk(mddev->gendisk);
+	}
+
 	spin_lock(&mddev->lock);
 	if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery)) {
 		/* We completed so min/max setting can be forgotten if used. */
@@ -8569,6 +8608,10 @@ static int remove_and_add_spares(struct mddev *mddev,
 	int removed = 0;
 	bool remove_some = false;
 
+	if (this && test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))
+		/* Mustn't remove devices when resync thread is running */
+		return 0;
+
 	rdev_for_each(rdev, mddev) {
 		if ((this == NULL || rdev == this) &&
 		    rdev->raid_disk >= 0 &&
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 58cd20a5e85e..fbc925cce810 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -468,6 +468,8 @@ struct mddev {
 	void (*sync_super)(struct mddev *mddev, struct md_rdev *rdev);
 	struct md_cluster_info		*cluster_info;
 	unsigned int			good_device_nr;	/* good device num within cluster raid */
+
+	bool	has_superblocks:1;
 };
 
 enum recovery_flags {
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index f978eddc7a21..fe872dc6712e 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1809,6 +1809,17 @@ static int raid1_remove_disk(struct mddev *mddev, struct md_rdev *rdev)
 			struct md_rdev *repl =
 				conf->mirrors[conf->raid_disks + number].rdev;
 			freeze_array(conf, 0);
+			if (atomic_read(&repl->nr_pending)) {
+				/* It means that some queued IO of retry_list
+				 * hold repl. Thus, we cannot set replacement
+				 * as NULL, avoiding rdev NULL pointer
+				 * dereference in sync_request_write and
+				 * handle_write_finished.
+				 */
+				err = -EBUSY;
+				unfreeze_array(conf);
+				goto abort;
+			}
 			clear_bit(Replacement, &repl->flags);
 			p->rdev = repl;
 			conf->mirrors[conf->raid_disks + number].rdev = NULL;
diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h
index c7294e7557e0..eb84bc68e2fd 100644
--- a/drivers/md/raid1.h
+++ b/drivers/md/raid1.h
@@ -26,6 +26,18 @@
 #define BARRIER_BUCKETS_NR_BITS		(PAGE_SHIFT - ilog2(sizeof(atomic_t)))
 #define BARRIER_BUCKETS_NR		(1<<BARRIER_BUCKETS_NR_BITS)
 
+/* Note: raid1_info.rdev can be set to NULL asynchronously by raid1_remove_disk.
+ * There are three safe ways to access raid1_info.rdev.
+ * 1/ when holding mddev->reconfig_mutex
+ * 2/ when resync/recovery is known to be happening - i.e. in code that is
+ *    called as part of performing resync/recovery.
+ * 3/ while holding rcu_read_lock(), use rcu_dereference to get the pointer
+ *    and if it is non-NULL, increment rdev->nr_pending before dropping the
+ *    RCU lock.
+ * When .rdev is set to NULL, the nr_pending count checked again and if it has
+ * been incremented, the pointer is put back in .rdev.
+ */
+
 struct raid1_info {
 	struct md_rdev	*rdev;
 	sector_t	head_position;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 99c9207899a7..c5e6c60fc0d4 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -141,7 +141,7 @@ static void r10bio_pool_free(void *r10_bio, void *data)
 #define RESYNC_WINDOW (1024*1024)
 /* maximum number of concurrent requests, memory permitting */
 #define RESYNC_DEPTH (32*1024*1024/RESYNC_BLOCK_SIZE)
-#define CLUSTER_RESYNC_WINDOW (16 * RESYNC_WINDOW)
+#define CLUSTER_RESYNC_WINDOW (32 * RESYNC_WINDOW)
 #define CLUSTER_RESYNC_WINDOW_SECTORS (CLUSTER_RESYNC_WINDOW >> 9)
 
 /*
@@ -2655,7 +2655,8 @@ static void handle_write_completed(struct r10conf *conf, struct r10bio *r10_bio)
 		for (m = 0; m < conf->copies; m++) {
 			int dev = r10_bio->devs[m].devnum;
 			rdev = conf->mirrors[dev].rdev;
-			if (r10_bio->devs[m].bio == NULL)
+			if (r10_bio->devs[m].bio == NULL ||
+				r10_bio->devs[m].bio->bi_end_io == NULL)
 				continue;
 			if (!r10_bio->devs[m].bio->bi_status) {
 				rdev_clear_badblocks(
@@ -2670,7 +2671,8 @@ static void handle_write_completed(struct r10conf *conf, struct r10bio *r10_bio)
 					md_error(conf->mddev, rdev);
 			}
 			rdev = conf->mirrors[dev].replacement;
-			if (r10_bio->devs[m].repl_bio == NULL)
+			if (r10_bio->devs[m].repl_bio == NULL ||
+				r10_bio->devs[m].repl_bio->bi_end_io == NULL)
 				continue;
 
 			if (!r10_bio->devs[m].repl_bio->bi_status) {
@@ -3782,7 +3784,7 @@ static int raid10_run(struct mddev *mddev)
 		if (fc > 1 || fo > 0) {
 			pr_err("only near layout is supported by clustered"
 				" raid10\n");
-			goto out;
+			goto out_free_conf;
 		}
 	}
 
@@ -4830,17 +4832,11 @@ static void raid10_finish_reshape(struct mddev *mddev)
 		return;
 
 	if (mddev->delta_disks > 0) {
-		sector_t size = raid10_size(mddev, 0, 0);
-		md_set_array_sectors(mddev, size);
 		if (mddev->recovery_cp > mddev->resync_max_sectors) {
 			mddev->recovery_cp = mddev->resync_max_sectors;
 			set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
 		}
-		mddev->resync_max_sectors = size;
-		if (mddev->queue) {
-			set_capacity(mddev->gendisk, mddev->array_sectors);
-			revalidate_disk(mddev->gendisk);
-		}
+		mddev->resync_max_sectors = mddev->array_sectors;
 	} else {
 		int d;
 		rcu_read_lock();
diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h
index db2ac22ac1b4..e2e8840de9bf 100644
--- a/drivers/md/raid10.h
+++ b/drivers/md/raid10.h
@@ -2,6 +2,19 @@
 #ifndef _RAID10_H
 #define _RAID10_H
 
+/* Note: raid10_info.rdev can be set to NULL asynchronously by
+ * raid10_remove_disk.
+ * There are three safe ways to access raid10_info.rdev.
+ * 1/ when holding mddev->reconfig_mutex
+ * 2/ when resync/recovery/reshape is known to be happening - i.e. in code
+ *    that is called as part of performing resync/recovery/reshape.
+ * 3/ while holding rcu_read_lock(), use rcu_dereference to get the pointer
+ *    and if it is non-NULL, increment rdev->nr_pending before dropping the
+ *    RCU lock.
+ * When .rdev is set to NULL, the nr_pending count checked again and if it has
+ * been incremented, the pointer is put back in .rdev.
+ */
+
 struct raid10_info {
 	struct md_rdev	*rdev, *replacement;
 	sector_t	head_position;
diff --git a/drivers/md/raid5-log.h b/drivers/md/raid5-log.h
index 0c76bcedfc1c..a001808a2b77 100644
--- a/drivers/md/raid5-log.h
+++ b/drivers/md/raid5-log.h
@@ -44,6 +44,7 @@ extern void ppl_write_stripe_run(struct r5conf *conf);
 extern void ppl_stripe_write_finished(struct stripe_head *sh);
 extern int ppl_modify_log(struct r5conf *conf, struct md_rdev *rdev, bool add);
 extern void ppl_quiesce(struct r5conf *conf, int quiesce);
+extern int ppl_handle_flush_request(struct r5l_log *log, struct bio *bio);
 
 static inline bool raid5_has_ppl(struct r5conf *conf)
 {
@@ -104,7 +105,7 @@ static inline int log_handle_flush_request(struct r5conf *conf, struct bio *bio)
 	if (conf->log)
 		ret = r5l_handle_flush_request(conf->log, bio);
 	else if (raid5_has_ppl(conf))
-		ret = 0;
+		ret = ppl_handle_flush_request(conf->log, bio);
 
 	return ret;
 }
diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c
index 2764c2290062..42890a08375b 100644
--- a/drivers/md/raid5-ppl.c
+++ b/drivers/md/raid5-ppl.c
@@ -693,6 +693,16 @@ void ppl_quiesce(struct r5conf *conf, int quiesce)
 	}
 }
 
+int ppl_handle_flush_request(struct r5l_log *log, struct bio *bio)
+{
+	if (bio->bi_iter.bi_size == 0) {
+		bio_endio(bio);
+		return 0;
+	}
+	bio->bi_opf &= ~REQ_PREFLUSH;
+	return -EAGAIN;
+}
+
 void ppl_stripe_write_finished(struct stripe_head *sh)
 {
 	struct ppl_io_unit *io;
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 50d01144b805..b5d2601483e3 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2196,15 +2196,16 @@ static int grow_one_stripe(struct r5conf *conf, gfp_t gfp)
 static int grow_stripes(struct r5conf *conf, int num)
 {
 	struct kmem_cache *sc;
+	size_t namelen = sizeof(conf->cache_name[0]);
 	int devs = max(conf->raid_disks, conf->previous_raid_disks);
 
 	if (conf->mddev->gendisk)
-		sprintf(conf->cache_name[0],
+		snprintf(conf->cache_name[0], namelen,
 			"raid%d-%s", conf->level, mdname(conf->mddev));
 	else
-		sprintf(conf->cache_name[0],
+		snprintf(conf->cache_name[0], namelen,
 			"raid%d-%p", conf->level, conf->mddev);
-	sprintf(conf->cache_name[1], "%s-alt", conf->cache_name[0]);
+	snprintf(conf->cache_name[1], namelen, "%.27s-alt", conf->cache_name[0]);
 
 	conf->active_name = 0;
 	sc = kmem_cache_create(conf->cache_name[conf->active_name],
@@ -6764,9 +6765,7 @@ static void free_conf(struct r5conf *conf)
 
 	log_exit(conf);
 
-	if (conf->shrinker.nr_deferred)
-		unregister_shrinker(&conf->shrinker);
-
+	unregister_shrinker(&conf->shrinker);
 	free_thread_groups(conf);
 	shrink_stripes(conf);
 	raid5_free_percpu(conf);
@@ -8001,13 +8000,7 @@ static void raid5_finish_reshape(struct mddev *mddev)
 
 	if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery)) {
 
-		if (mddev->delta_disks > 0) {
-			md_set_array_sectors(mddev, raid5_size(mddev, 0, 0));
-			if (mddev->queue) {
-				set_capacity(mddev->gendisk, mddev->array_sectors);
-				revalidate_disk(mddev->gendisk);
-			}
-		} else {
+		if (mddev->delta_disks <= 0) {
 			int d;
 			spin_lock_irq(&conf->device_lock);
 			mddev->degraded = raid5_calc_degraded(conf);
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 2e6123825095..3f8da26032ac 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -450,6 +450,18 @@ enum {
  * HANDLE gets cleared if stripe_handle leaves nothing locked.
  */
 
+/* Note: disk_info.rdev can be set to NULL asynchronously by raid5_remove_disk.
+ * There are three safe ways to access disk_info.rdev.
+ * 1/ when holding mddev->reconfig_mutex
+ * 2/ when resync/recovery/reshape is known to be happening - i.e. in code that
+ *    is called as part of performing resync/recovery/reshape.
+ * 3/ while holding rcu_read_lock(), use rcu_dereference to get the pointer
+ *    and if it is non-NULL, increment rdev->nr_pending before dropping the RCU
+ *    lock.
+ * When .rdev is set to NULL, the nr_pending count checked again and if
+ * it has been incremented, the pointer is put back in .rdev.
+ */
+
 struct disk_info {
 	struct md_rdev	*rdev, *replacement;
 	struct page	*extra_page; /* extra page to use in prexor */
diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
index 145e12bfb819..372c074bb1b9 100644
--- a/drivers/media/Kconfig
+++ b/drivers/media/Kconfig
@@ -147,6 +147,8 @@ config DVB_CORE
 config DVB_MMAP
 	bool "Enable DVB memory-mapped API (EXPERIMENTAL)"
 	depends on DVB_CORE
+	depends on VIDEO_V4L2=y || VIDEO_V4L2=DVB_CORE
+	select VIDEOBUF2_VMALLOC
 	default n
 	help
 	  This option enables DVB experimental memory-mapped API, with
diff --git a/drivers/media/common/videobuf2/Kconfig b/drivers/media/common/videobuf2/Kconfig
index 5df05250de94..17c32ea58395 100644
--- a/drivers/media/common/videobuf2/Kconfig
+++ b/drivers/media/common/videobuf2/Kconfig
@@ -3,6 +3,9 @@ config VIDEOBUF2_CORE
 	select DMA_SHARED_BUFFER
 	tristate
 
+config VIDEOBUF2_V4L2
+	tristate
+
 config VIDEOBUF2_MEMOPS
 	tristate
 	select FRAME_VECTOR
diff --git a/drivers/media/common/videobuf2/Makefile b/drivers/media/common/videobuf2/Makefile
index 19de5ccda20b..77bebe8b202f 100644
--- a/drivers/media/common/videobuf2/Makefile
+++ b/drivers/media/common/videobuf2/Makefile
@@ -1,5 +1,12 @@
+# SPDX-License-Identifier: GPL-2.0
+videobuf2-common-objs := videobuf2-core.o
 
-obj-$(CONFIG_VIDEOBUF2_CORE) += videobuf2-core.o videobuf2-v4l2.o
+ifeq ($(CONFIG_TRACEPOINTS),y)
+  videobuf2-common-objs += vb2-trace.o
+endif
+
+obj-$(CONFIG_VIDEOBUF2_CORE) += videobuf2-common.o
+obj-$(CONFIG_VIDEOBUF2_V4L2) += videobuf2-v4l2.o
 obj-$(CONFIG_VIDEOBUF2_MEMOPS) += videobuf2-memops.o
 obj-$(CONFIG_VIDEOBUF2_VMALLOC) += videobuf2-vmalloc.o
 obj-$(CONFIG_VIDEOBUF2_DMA_CONTIG) += videobuf2-dma-contig.o
diff --git a/drivers/media/v4l2-core/vb2-trace.c b/drivers/media/common/videobuf2/vb2-trace.c
index 4c0f39d271f0..4c0f39d271f0 100644
--- a/drivers/media/v4l2-core/vb2-trace.c
+++ b/drivers/media/common/videobuf2/vb2-trace.c
diff --git a/drivers/media/dvb-core/Makefile b/drivers/media/dvb-core/Makefile
index 3a105d82019a..62b028ded9f7 100644
--- a/drivers/media/dvb-core/Makefile
+++ b/drivers/media/dvb-core/Makefile
@@ -4,7 +4,7 @@
 #
 
 dvb-net-$(CONFIG_DVB_NET) := dvb_net.o
-dvb-vb2-$(CONFIG_DVB_MMSP) := dvb_vb2.o
+dvb-vb2-$(CONFIG_DVB_MMAP) := dvb_vb2.o
 
 dvb-core-objs := dvbdev.o dmxdev.o dvb_demux.o			\
 		 dvb_ca_en50221.o dvb_frontend.o		\
diff --git a/drivers/media/dvb-core/dmxdev.c b/drivers/media/dvb-core/dmxdev.c
index 6d53af00190e..61a750fae465 100644
--- a/drivers/media/dvb-core/dmxdev.c
+++ b/drivers/media/dvb-core/dmxdev.c
@@ -128,11 +128,7 @@ static int dvb_dvr_open(struct inode *inode, struct file *file)
 	struct dvb_device *dvbdev = file->private_data;
 	struct dmxdev *dmxdev = dvbdev->priv;
 	struct dmx_frontend *front;
-#ifndef DVB_MMAP
 	bool need_ringbuffer = false;
-#else
-	const bool need_ringbuffer = true;
-#endif
 
 	dprintk("%s\n", __func__);
 
@@ -144,17 +140,31 @@ static int dvb_dvr_open(struct inode *inode, struct file *file)
 		return -ENODEV;
 	}
 
-#ifndef DVB_MMAP
+	dmxdev->may_do_mmap = 0;
+
+	/*
+	 * The logic here is a little tricky due to the ifdef.
+	 *
+	 * The ringbuffer is used for both read and mmap.
+	 *
+	 * It is not needed, however, on two situations:
+	 *	- Write devices (access with O_WRONLY);
+	 *	- For duplex device nodes, opened with O_RDWR.
+	 */
+
 	if ((file->f_flags & O_ACCMODE) == O_RDONLY)
 		need_ringbuffer = true;
-#else
-	if ((file->f_flags & O_ACCMODE) == O_RDWR) {
+	else if ((file->f_flags & O_ACCMODE) == O_RDWR) {
 		if (!(dmxdev->capabilities & DMXDEV_CAP_DUPLEX)) {
+#ifdef CONFIG_DVB_MMAP
+			dmxdev->may_do_mmap = 1;
+			need_ringbuffer = true;
+#else
 			mutex_unlock(&dmxdev->mutex);
 			return -EOPNOTSUPP;
+#endif
 		}
 	}
-#endif
 
 	if (need_ringbuffer) {
 		void *mem;
@@ -169,8 +179,9 @@ static int dvb_dvr_open(struct inode *inode, struct file *file)
 			return -ENOMEM;
 		}
 		dvb_ringbuffer_init(&dmxdev->dvr_buffer, mem, DVR_BUFFER_SIZE);
-		dvb_vb2_init(&dmxdev->dvr_vb2_ctx, "dvr",
-			     file->f_flags & O_NONBLOCK);
+		if (dmxdev->may_do_mmap)
+			dvb_vb2_init(&dmxdev->dvr_vb2_ctx, "dvr",
+				     file->f_flags & O_NONBLOCK);
 		dvbdev->readers--;
 	}
 
@@ -200,11 +211,6 @@ static int dvb_dvr_release(struct inode *inode, struct file *file)
 {
 	struct dvb_device *dvbdev = file->private_data;
 	struct dmxdev *dmxdev = dvbdev->priv;
-#ifndef DVB_MMAP
-	bool need_ringbuffer = false;
-#else
-	const bool need_ringbuffer = true;
-#endif
 
 	mutex_lock(&dmxdev->mutex);
 
@@ -213,15 +219,14 @@ static int dvb_dvr_release(struct inode *inode, struct file *file)
 		dmxdev->demux->connect_frontend(dmxdev->demux,
 						dmxdev->dvr_orig_fe);
 	}
-#ifndef DVB_MMAP
-	if ((file->f_flags & O_ACCMODE) == O_RDONLY)
-		need_ringbuffer = true;
-#endif
 
-	if (need_ringbuffer) {
-		if (dvb_vb2_is_streaming(&dmxdev->dvr_vb2_ctx))
-			dvb_vb2_stream_off(&dmxdev->dvr_vb2_ctx);
-		dvb_vb2_release(&dmxdev->dvr_vb2_ctx);
+	if (((file->f_flags & O_ACCMODE) == O_RDONLY) ||
+	    dmxdev->may_do_mmap) {
+		if (dmxdev->may_do_mmap) {
+			if (dvb_vb2_is_streaming(&dmxdev->dvr_vb2_ctx))
+				dvb_vb2_stream_off(&dmxdev->dvr_vb2_ctx);
+			dvb_vb2_release(&dmxdev->dvr_vb2_ctx);
+		}
 		dvbdev->readers++;
 		if (dmxdev->dvr_buffer.data) {
 			void *mem = dmxdev->dvr_buffer.data;
@@ -380,7 +385,8 @@ static void dvb_dmxdev_filter_timer(struct dmxdev_filter *dmxdevfilter)
 
 static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len,
 				       const u8 *buffer2, size_t buffer2_len,
-				       struct dmx_section_filter *filter)
+				       struct dmx_section_filter *filter,
+				       u32 *buffer_flags)
 {
 	struct dmxdev_filter *dmxdevfilter = filter->priv;
 	int ret;
@@ -399,10 +405,12 @@ static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len,
 	dprintk("section callback %*ph\n", 6, buffer1);
 	if (dvb_vb2_is_streaming(&dmxdevfilter->vb2_ctx)) {
 		ret = dvb_vb2_fill_buffer(&dmxdevfilter->vb2_ctx,
-					  buffer1, buffer1_len);
+					  buffer1, buffer1_len,
+					  buffer_flags);
 		if (ret == buffer1_len)
 			ret = dvb_vb2_fill_buffer(&dmxdevfilter->vb2_ctx,
-						  buffer2, buffer2_len);
+						  buffer2, buffer2_len,
+						  buffer_flags);
 	} else {
 		ret = dvb_dmxdev_buffer_write(&dmxdevfilter->buffer,
 					      buffer1, buffer1_len);
@@ -422,11 +430,12 @@ static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len,
 
 static int dvb_dmxdev_ts_callback(const u8 *buffer1, size_t buffer1_len,
 				  const u8 *buffer2, size_t buffer2_len,
-				  struct dmx_ts_feed *feed)
+				  struct dmx_ts_feed *feed,
+				  u32 *buffer_flags)
 {
 	struct dmxdev_filter *dmxdevfilter = feed->priv;
 	struct dvb_ringbuffer *buffer;
-#ifdef DVB_MMAP
+#ifdef CONFIG_DVB_MMAP
 	struct dvb_vb2_ctx *ctx;
 #endif
 	int ret;
@@ -440,20 +449,22 @@ static int dvb_dmxdev_ts_callback(const u8 *buffer1, size_t buffer1_len,
 	if (dmxdevfilter->params.pes.output == DMX_OUT_TAP ||
 	    dmxdevfilter->params.pes.output == DMX_OUT_TSDEMUX_TAP) {
 		buffer = &dmxdevfilter->buffer;
-#ifdef DVB_MMAP
+#ifdef CONFIG_DVB_MMAP
 		ctx = &dmxdevfilter->vb2_ctx;
 #endif
 	} else {
 		buffer = &dmxdevfilter->dev->dvr_buffer;
-#ifdef DVB_MMAP
+#ifdef CONFIG_DVB_MMAP
 		ctx = &dmxdevfilter->dev->dvr_vb2_ctx;
 #endif
 	}
 
 	if (dvb_vb2_is_streaming(ctx)) {
-		ret = dvb_vb2_fill_buffer(ctx, buffer1, buffer1_len);
+		ret = dvb_vb2_fill_buffer(ctx, buffer1, buffer1_len,
+					  buffer_flags);
 		if (ret == buffer1_len)
-			ret = dvb_vb2_fill_buffer(ctx, buffer2, buffer2_len);
+			ret = dvb_vb2_fill_buffer(ctx, buffer2, buffer2_len,
+						  buffer_flags);
 	} else {
 		if (buffer->error) {
 			spin_unlock(&dmxdevfilter->dev->lock);
@@ -802,6 +813,12 @@ static int dvb_demux_open(struct inode *inode, struct file *file)
 	mutex_init(&dmxdevfilter->mutex);
 	file->private_data = dmxdevfilter;
 
+#ifdef CONFIG_DVB_MMAP
+	dmxdev->may_do_mmap = 1;
+#else
+	dmxdev->may_do_mmap = 0;
+#endif
+
 	dvb_ringbuffer_init(&dmxdevfilter->buffer, NULL, 8192);
 	dvb_vb2_init(&dmxdevfilter->vb2_ctx, "demux_filter",
 		     file->f_flags & O_NONBLOCK);
@@ -1111,7 +1128,7 @@ static int dvb_demux_do_ioctl(struct file *file,
 		mutex_unlock(&dmxdevfilter->mutex);
 		break;
 
-#ifdef DVB_MMAP
+#ifdef CONFIG_DVB_MMAP
 	case DMX_REQBUFS:
 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
 			mutex_unlock(&dmxdev->mutex);
@@ -1160,7 +1177,7 @@ static int dvb_demux_do_ioctl(struct file *file,
 		break;
 #endif
 	default:
-		ret = -EINVAL;
+		ret = -ENOTTY;
 		break;
 	}
 	mutex_unlock(&dmxdev->mutex);
@@ -1199,13 +1216,16 @@ static __poll_t dvb_demux_poll(struct file *file, poll_table *wait)
 	return mask;
 }
 
-#ifdef DVB_MMAP
+#ifdef CONFIG_DVB_MMAP
 static int dvb_demux_mmap(struct file *file, struct vm_area_struct *vma)
 {
 	struct dmxdev_filter *dmxdevfilter = file->private_data;
 	struct dmxdev *dmxdev = dmxdevfilter->dev;
 	int ret;
 
+	if (!dmxdev->may_do_mmap)
+		return -ENOTTY;
+
 	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
 
@@ -1249,7 +1269,7 @@ static const struct file_operations dvb_demux_fops = {
 	.release = dvb_demux_release,
 	.poll = dvb_demux_poll,
 	.llseek = default_llseek,
-#ifdef DVB_MMAP
+#ifdef CONFIG_DVB_MMAP
 	.mmap = dvb_demux_mmap,
 #endif
 };
@@ -1280,7 +1300,7 @@ static int dvb_dvr_do_ioctl(struct file *file,
 		ret = dvb_dvr_set_buffer_size(dmxdev, arg);
 		break;
 
-#ifdef DVB_MMAP
+#ifdef CONFIG_DVB_MMAP
 	case DMX_REQBUFS:
 		ret = dvb_vb2_reqbufs(&dmxdev->dvr_vb2_ctx, parg);
 		break;
@@ -1304,7 +1324,7 @@ static int dvb_dvr_do_ioctl(struct file *file,
 		break;
 #endif
 	default:
-		ret = -EINVAL;
+		ret = -ENOTTY;
 		break;
 	}
 	mutex_unlock(&dmxdev->mutex);
@@ -1322,11 +1342,6 @@ static __poll_t dvb_dvr_poll(struct file *file, poll_table *wait)
 	struct dvb_device *dvbdev = file->private_data;
 	struct dmxdev *dmxdev = dvbdev->priv;
 	__poll_t mask = 0;
-#ifndef DVB_MMAP
-	bool need_ringbuffer = false;
-#else
-	const bool need_ringbuffer = true;
-#endif
 
 	dprintk("%s\n", __func__);
 
@@ -1337,11 +1352,8 @@ static __poll_t dvb_dvr_poll(struct file *file, poll_table *wait)
 
 	poll_wait(file, &dmxdev->dvr_buffer.queue, wait);
 
-#ifndef DVB_MMAP
-	if ((file->f_flags & O_ACCMODE) == O_RDONLY)
-		need_ringbuffer = true;
-#endif
-	if (need_ringbuffer) {
+	if (((file->f_flags & O_ACCMODE) == O_RDONLY) ||
+	    dmxdev->may_do_mmap) {
 		if (dmxdev->dvr_buffer.error)
 			mask |= (EPOLLIN | EPOLLRDNORM | EPOLLPRI | EPOLLERR);
 
@@ -1353,13 +1365,16 @@ static __poll_t dvb_dvr_poll(struct file *file, poll_table *wait)
 	return mask;
 }
 
-#ifdef DVB_MMAP
+#ifdef CONFIG_DVB_MMAP
 static int dvb_dvr_mmap(struct file *file, struct vm_area_struct *vma)
 {
 	struct dvb_device *dvbdev = file->private_data;
 	struct dmxdev *dmxdev = dvbdev->priv;
 	int ret;
 
+	if (!dmxdev->may_do_mmap)
+		return -ENOTTY;
+
 	if (dmxdev->exit)
 		return -ENODEV;
 
@@ -1381,7 +1396,7 @@ static const struct file_operations dvb_dvr_fops = {
 	.release = dvb_dvr_release,
 	.poll = dvb_dvr_poll,
 	.llseek = default_llseek,
-#ifdef DVB_MMAP
+#ifdef CONFIG_DVB_MMAP
 	.mmap = dvb_dvr_mmap,
 #endif
 };
diff --git a/drivers/media/dvb-core/dvb_demux.c b/drivers/media/dvb-core/dvb_demux.c
index 210eed0269b0..f45091246bdc 100644
--- a/drivers/media/dvb-core/dvb_demux.c
+++ b/drivers/media/dvb-core/dvb_demux.c
@@ -55,6 +55,17 @@ MODULE_PARM_DESC(dvb_demux_feed_err_pkts,
 		dprintk(x);				\
 } while (0)
 
+#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
+#  define dprintk_sect_loss(x...) dprintk(x)
+#else
+#  define dprintk_sect_loss(x...)
+#endif
+
+#define set_buf_flags(__feed, __flag)			\
+	do {						\
+		(__feed)->buffer_flags |= (__flag);	\
+	} while (0)
+
 /******************************************************************************
  * static inlined helper functions
  ******************************************************************************/
@@ -104,31 +115,30 @@ static inline int dvb_dmx_swfilter_payload(struct dvb_demux_feed *feed,
 {
 	int count = payload(buf);
 	int p;
-#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
 	int ccok;
 	u8 cc;
-#endif
 
 	if (count == 0)
 		return -1;
 
 	p = 188 - count;
 
-#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
 	cc = buf[3] & 0x0f;
 	ccok = ((feed->cc + 1) & 0x0f) == cc;
 	feed->cc = cc;
-	if (!ccok)
-		dprintk("missed packet: %d instead of %d!\n",
-			cc, (feed->cc + 1) & 0x0f);
-#endif
+	if (!ccok) {
+		set_buf_flags(feed, DMX_BUFFER_FLAG_DISCONTINUITY_DETECTED);
+		dprintk_sect_loss("missed packet: %d instead of %d!\n",
+				  cc, (feed->cc + 1) & 0x0f);
+	}
 
 	if (buf[1] & 0x40)	// PUSI ?
 		feed->peslen = 0xfffa;
 
 	feed->peslen += count;
 
-	return feed->cb.ts(&buf[p], count, NULL, 0, &feed->feed.ts);
+	return feed->cb.ts(&buf[p], count, NULL, 0, &feed->feed.ts,
+			   &feed->buffer_flags);
 }
 
 static int dvb_dmx_swfilter_sectionfilter(struct dvb_demux_feed *feed,
@@ -150,7 +160,7 @@ static int dvb_dmx_swfilter_sectionfilter(struct dvb_demux_feed *feed,
 		return 0;
 
 	return feed->cb.sec(feed->feed.sec.secbuf, feed->feed.sec.seclen,
-			    NULL, 0, &f->filter);
+			    NULL, 0, &f->filter, &feed->buffer_flags);
 }
 
 static inline int dvb_dmx_swfilter_section_feed(struct dvb_demux_feed *feed)
@@ -169,8 +179,10 @@ static inline int dvb_dmx_swfilter_section_feed(struct dvb_demux_feed *feed)
 	if (sec->check_crc) {
 		section_syntax_indicator = ((sec->secbuf[1] & 0x80) != 0);
 		if (section_syntax_indicator &&
-		    demux->check_crc32(feed, sec->secbuf, sec->seclen))
+		    demux->check_crc32(feed, sec->secbuf, sec->seclen)) {
+			set_buf_flags(feed, DMX_BUFFER_FLAG_HAD_CRC32_DISCARD);
 			return -1;
+		}
 	}
 
 	do {
@@ -187,7 +199,6 @@ static void dvb_dmx_swfilter_section_new(struct dvb_demux_feed *feed)
 {
 	struct dmx_section_feed *sec = &feed->feed.sec;
 
-#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
 	if (sec->secbufp < sec->tsfeedp) {
 		int n = sec->tsfeedp - sec->secbufp;
 
@@ -197,12 +208,13 @@ static void dvb_dmx_swfilter_section_new(struct dvb_demux_feed *feed)
 		 * but just first and last.
 		 */
 		if (sec->secbuf[0] != 0xff || sec->secbuf[n - 1] != 0xff) {
-			dprintk("section ts padding loss: %d/%d\n",
-			       n, sec->tsfeedp);
-			dprintk("pad data: %*ph\n", n, sec->secbuf);
+			set_buf_flags(feed,
+				      DMX_BUFFER_FLAG_DISCONTINUITY_DETECTED);
+			dprintk_sect_loss("section ts padding loss: %d/%d\n",
+					  n, sec->tsfeedp);
+			dprintk_sect_loss("pad data: %*ph\n", n, sec->secbuf);
 		}
 	}
-#endif
 
 	sec->tsfeedp = sec->secbufp = sec->seclen = 0;
 	sec->secbuf = sec->secbuf_base;
@@ -237,11 +249,10 @@ static int dvb_dmx_swfilter_section_copy_dump(struct dvb_demux_feed *feed,
 		return 0;
 
 	if (sec->tsfeedp + len > DMX_MAX_SECFEED_SIZE) {
-#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
-		dprintk("section buffer full loss: %d/%d\n",
-			sec->tsfeedp + len - DMX_MAX_SECFEED_SIZE,
-			DMX_MAX_SECFEED_SIZE);
-#endif
+		set_buf_flags(feed, DMX_BUFFER_FLAG_DISCONTINUITY_DETECTED);
+		dprintk_sect_loss("section buffer full loss: %d/%d\n",
+				  sec->tsfeedp + len - DMX_MAX_SECFEED_SIZE,
+				  DMX_MAX_SECFEED_SIZE);
 		len = DMX_MAX_SECFEED_SIZE - sec->tsfeedp;
 	}
 
@@ -269,12 +280,13 @@ static int dvb_dmx_swfilter_section_copy_dump(struct dvb_demux_feed *feed,
 		sec->seclen = seclen;
 		sec->crc_val = ~0;
 		/* dump [secbuf .. secbuf+seclen) */
-		if (feed->pusi_seen)
+		if (feed->pusi_seen) {
 			dvb_dmx_swfilter_section_feed(feed);
-#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
-		else
-			dprintk("pusi not seen, discarding section data\n");
-#endif
+		} else {
+			set_buf_flags(feed,
+				      DMX_BUFFER_FLAG_DISCONTINUITY_DETECTED);
+			dprintk_sect_loss("pusi not seen, discarding section data\n");
+		}
 		sec->secbufp += seclen;	/* secbufp and secbuf moving together is */
 		sec->secbuf += seclen;	/* redundant but saves pointer arithmetic */
 	}
@@ -307,18 +319,22 @@ static int dvb_dmx_swfilter_section_packet(struct dvb_demux_feed *feed,
 	}
 
 	if (!ccok || dc_i) {
-#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
-		if (dc_i)
-			dprintk("%d frame with disconnect indicator\n",
+		if (dc_i) {
+			set_buf_flags(feed,
+				      DMX_BUFFER_FLAG_DISCONTINUITY_INDICATOR);
+			dprintk_sect_loss("%d frame with disconnect indicator\n",
 				cc);
-		else
-			dprintk("discontinuity: %d instead of %d. %d bytes lost\n",
+		} else {
+			set_buf_flags(feed,
+				      DMX_BUFFER_FLAG_DISCONTINUITY_DETECTED);
+			dprintk_sect_loss("discontinuity: %d instead of %d. %d bytes lost\n",
 				cc, (feed->cc + 1) & 0x0f, count + 4);
+		}
 		/*
-		 * those bytes under sume circumstances will again be reported
+		 * those bytes under some circumstances will again be reported
 		 * in the following dvb_dmx_swfilter_section_new
 		 */
-#endif
+
 		/*
 		 * Discontinuity detected. Reset pusi_seen to
 		 * stop feeding of suspicious data until next PUSI=1 arrives
@@ -326,6 +342,7 @@ static int dvb_dmx_swfilter_section_packet(struct dvb_demux_feed *feed,
 		 * FIXME: does it make sense if the MPEG-TS is the one
 		 *	reporting discontinuity?
 		 */
+
 		feed->pusi_seen = false;
 		dvb_dmx_swfilter_section_new(feed);
 	}
@@ -345,11 +362,11 @@ static int dvb_dmx_swfilter_section_packet(struct dvb_demux_feed *feed,
 			dvb_dmx_swfilter_section_new(feed);
 			dvb_dmx_swfilter_section_copy_dump(feed, after,
 							   after_len);
+		} else if (count > 0) {
+			set_buf_flags(feed,
+				      DMX_BUFFER_FLAG_DISCONTINUITY_DETECTED);
+			dprintk_sect_loss("PUSI=1 but %d bytes lost\n", count);
 		}
-#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
-		else if (count > 0)
-			dprintk("PUSI=1 but %d bytes lost\n", count);
-#endif
 	} else {
 		/* PUSI=0 (is not set), no section boundary */
 		dvb_dmx_swfilter_section_copy_dump(feed, &buf[p], count);
@@ -369,7 +386,8 @@ static inline void dvb_dmx_swfilter_packet_type(struct dvb_demux_feed *feed,
 			if (feed->ts_type & TS_PAYLOAD_ONLY)
 				dvb_dmx_swfilter_payload(feed, buf);
 			else
-				feed->cb.ts(buf, 188, NULL, 0, &feed->feed.ts);
+				feed->cb.ts(buf, 188, NULL, 0, &feed->feed.ts,
+					    &feed->buffer_flags);
 		}
 		/* Used only on full-featured devices */
 		if (feed->ts_type & TS_DECODER)
@@ -430,6 +448,11 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf)
 	}
 
 	if (buf[1] & 0x80) {
+		list_for_each_entry(feed, &demux->feed_list, list_head) {
+			if ((feed->pid != pid) && (feed->pid != 0x2000))
+				continue;
+			set_buf_flags(feed, DMX_BUFFER_FLAG_TEI);
+		}
 		dprintk_tscheck("TEI detected. PID=0x%x data1=0x%x\n",
 				pid, buf[1]);
 		/* data in this packet can't be trusted - drop it unless
@@ -445,6 +468,13 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf)
 						(demux->cnt_storage[pid] + 1) & 0xf;
 
 				if ((buf[3] & 0xf) != demux->cnt_storage[pid]) {
+					list_for_each_entry(feed, &demux->feed_list, list_head) {
+						if ((feed->pid != pid) && (feed->pid != 0x2000))
+							continue;
+						set_buf_flags(feed,
+							      DMX_BUFFER_PKT_COUNTER_MISMATCH);
+					}
+
 					dprintk_tscheck("TS packet counter mismatch. PID=0x%x expected 0x%x got 0x%x\n",
 							pid, demux->cnt_storage[pid],
 							buf[3] & 0xf);
@@ -466,7 +496,8 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf)
 		if (feed->pid == pid)
 			dvb_dmx_swfilter_packet_type(feed, buf);
 		else if (feed->pid == 0x2000)
-			feed->cb.ts(buf, 188, NULL, 0, &feed->feed.ts);
+			feed->cb.ts(buf, 188, NULL, 0, &feed->feed.ts,
+				    &feed->buffer_flags);
 	}
 }
 
@@ -585,7 +616,8 @@ void dvb_dmx_swfilter_raw(struct dvb_demux *demux, const u8 *buf, size_t count)
 
 	spin_lock_irqsave(&demux->lock, flags);
 
-	demux->feed->cb.ts(buf, count, NULL, 0, &demux->feed->feed.ts);
+	demux->feed->cb.ts(buf, count, NULL, 0, &demux->feed->feed.ts,
+			   &demux->feed->buffer_flags);
 
 	spin_unlock_irqrestore(&demux->lock, flags);
 }
@@ -785,6 +817,7 @@ static int dvbdmx_allocate_ts_feed(struct dmx_demux *dmx,
 	feed->demux = demux;
 	feed->pid = 0xffff;
 	feed->peslen = 0xfffa;
+	feed->buffer_flags = 0;
 
 	(*ts_feed) = &feed->feed.ts;
 	(*ts_feed)->parent = dmx;
@@ -1042,6 +1075,7 @@ static int dvbdmx_allocate_section_feed(struct dmx_demux *demux,
 	dvbdmxfeed->cb.sec = callback;
 	dvbdmxfeed->demux = dvbdmx;
 	dvbdmxfeed->pid = 0xffff;
+	dvbdmxfeed->buffer_flags = 0;
 	dvbdmxfeed->feed.sec.secbuf = dvbdmxfeed->feed.sec.secbuf_base;
 	dvbdmxfeed->feed.sec.secbufp = dvbdmxfeed->feed.sec.seclen = 0;
 	dvbdmxfeed->feed.sec.tsfeedp = 0;
diff --git a/drivers/media/dvb-core/dvb_net.c b/drivers/media/dvb-core/dvb_net.c
index b6c7eec863b9..ba39f9942e1d 100644
--- a/drivers/media/dvb-core/dvb_net.c
+++ b/drivers/media/dvb-core/dvb_net.c
@@ -883,7 +883,8 @@ static void dvb_net_ule(struct net_device *dev, const u8 *buf, size_t buf_len)
 
 static int dvb_net_ts_callback(const u8 *buffer1, size_t buffer1_len,
 			       const u8 *buffer2, size_t buffer2_len,
-			       struct dmx_ts_feed *feed)
+			       struct dmx_ts_feed *feed,
+			       u32 *buffer_flags)
 {
 	struct net_device *dev = feed->priv;
 
@@ -992,7 +993,7 @@ static void dvb_net_sec(struct net_device *dev,
 
 static int dvb_net_sec_callback(const u8 *buffer1, size_t buffer1_len,
 		 const u8 *buffer2, size_t buffer2_len,
-		 struct dmx_section_filter *filter)
+		 struct dmx_section_filter *filter, u32 *buffer_flags)
 {
 	struct net_device *dev = filter->priv;
 
diff --git a/drivers/media/dvb-core/dvb_vb2.c b/drivers/media/dvb-core/dvb_vb2.c
index 763145d74e83..b811adf88afa 100644
--- a/drivers/media/dvb-core/dvb_vb2.c
+++ b/drivers/media/dvb-core/dvb_vb2.c
@@ -256,7 +256,8 @@ int dvb_vb2_is_streaming(struct dvb_vb2_ctx *ctx)
 }
 
 int dvb_vb2_fill_buffer(struct dvb_vb2_ctx *ctx,
-			const unsigned char *src, int len)
+			const unsigned char *src, int len,
+			enum dmx_buffer_flags *buffer_flags)
 {
 	unsigned long flags = 0;
 	void *vbuf = NULL;
@@ -264,15 +265,17 @@ int dvb_vb2_fill_buffer(struct dvb_vb2_ctx *ctx,
 	unsigned char *psrc = (unsigned char *)src;
 	int ll = 0;
 
-	dprintk(3, "[%s] %d bytes are rcvd\n", ctx->name, len);
-	if (!src) {
-		dprintk(3, "[%s]:NULL pointer src\n", ctx->name);
-		/**normal case: This func is called twice from demux driver
-		 * once with valid src pointer, second time with NULL pointer
-		 */
+	/*
+	 * normal case: This func is called twice from demux driver
+	 * one with valid src pointer, second time with NULL pointer
+	 */
+	if (!src || !len)
 		return 0;
-	}
 	spin_lock_irqsave(&ctx->slock, flags);
+	if (buffer_flags && *buffer_flags) {
+		ctx->flags |= *buffer_flags;
+		*buffer_flags = 0;
+	}
 	while (todo) {
 		if (!ctx->buf) {
 			if (list_empty(&ctx->dvb_q)) {
@@ -395,6 +398,7 @@ int dvb_vb2_qbuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b)
 
 int dvb_vb2_dqbuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b)
 {
+	unsigned long flags;
 	int ret;
 
 	ret = vb2_core_dqbuf(&ctx->vb_q, &b->index, b, ctx->nonblocking);
@@ -402,7 +406,16 @@ int dvb_vb2_dqbuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b)
 		dprintk(1, "[%s] errno=%d\n", ctx->name, ret);
 		return ret;
 	}
-	dprintk(5, "[%s] index=%d\n", ctx->name, b->index);
+
+	spin_lock_irqsave(&ctx->slock, flags);
+	b->count = ctx->count++;
+	b->flags = ctx->flags;
+	ctx->flags = 0;
+	spin_unlock_irqrestore(&ctx->slock, flags);
+
+	dprintk(5, "[%s] index=%d, count=%d, flags=%d\n",
+		ctx->name, b->index, ctx->count, b->flags);
+
 
 	return 0;
 }
diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c
index 50bce68ffd66..65d157fe76d1 100644
--- a/drivers/media/dvb-frontends/m88ds3103.c
+++ b/drivers/media/dvb-frontends/m88ds3103.c
@@ -1262,11 +1262,12 @@ static int m88ds3103_select(struct i2c_mux_core *muxc, u32 chan)
  * New users must use I2C client binding directly!
  */
 struct dvb_frontend *m88ds3103_attach(const struct m88ds3103_config *cfg,
-		struct i2c_adapter *i2c, struct i2c_adapter **tuner_i2c_adapter)
+				      struct i2c_adapter *i2c,
+				      struct i2c_adapter **tuner_i2c_adapter)
 {
 	struct i2c_client *client;
 	struct i2c_board_info board_info;
-	struct m88ds3103_platform_data pdata;
+	struct m88ds3103_platform_data pdata = {};
 
 	pdata.clk = cfg->clock;
 	pdata.i2c_wr_max = cfg->i2c_wr_max;
@@ -1409,6 +1410,8 @@ static int m88ds3103_probe(struct i2c_client *client,
 	case M88DS3103_CHIP_ID:
 		break;
 	default:
+		ret = -ENODEV;
+		dev_err(&client->dev, "Unknown device. Chip_id=%02x\n", dev->chip_id);
 		goto err_kfree;
 	}
 
diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
index 3c1851984b90..2476d812f669 100644
--- a/drivers/media/i2c/tvp5150.c
+++ b/drivers/media/i2c/tvp5150.c
@@ -505,80 +505,77 @@ static struct i2c_vbi_ram_value vbi_ram_default[] =
 	/* FIXME: Current api doesn't handle all VBI types, those not
 	   yet supported are placed under #if 0 */
 #if 0
-	{0x010, /* Teletext, SECAM, WST System A */
+	[0] = {0x010, /* Teletext, SECAM, WST System A */
 		{V4L2_SLICED_TELETEXT_SECAM,6,23,1},
 		{ 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
 		  0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
 	},
 #endif
-	{0x030, /* Teletext, PAL, WST System B */
+	[1] = {0x030, /* Teletext, PAL, WST System B */
 		{V4L2_SLICED_TELETEXT_B,6,22,1},
 		{ 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
 		  0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
 	},
 #if 0
-	{0x050, /* Teletext, PAL, WST System C */
+	[2] = {0x050, /* Teletext, PAL, WST System C */
 		{V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
 		{ 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 		  0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 	},
-	{0x070, /* Teletext, NTSC, WST System B */
+	[3] = {0x070, /* Teletext, NTSC, WST System B */
 		{V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
 		{ 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
 		  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 	},
-	{0x090, /* Tetetext, NTSC NABTS System C */
+	[4] = {0x090, /* Tetetext, NTSC NABTS System C */
 		{V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
 		{ 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 		  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
 	},
-	{0x0b0, /* Teletext, NTSC-J, NABTS System D */
+	[5] = {0x0b0, /* Teletext, NTSC-J, NABTS System D */
 		{V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
 		{ 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
 		  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 	},
-	{0x0d0, /* Closed Caption, PAL/SECAM */
+	[6] = {0x0d0, /* Closed Caption, PAL/SECAM */
 		{V4L2_SLICED_CAPTION_625,22,22,1},
 		{ 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 		  0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 	},
 #endif
-	{0x0f0, /* Closed Caption, NTSC */
+	[7] = {0x0f0, /* Closed Caption, NTSC */
 		{V4L2_SLICED_CAPTION_525,21,21,1},
 		{ 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 		  0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 	},
-	{0x110, /* Wide Screen Signal, PAL/SECAM */
+	[8] = {0x110, /* Wide Screen Signal, PAL/SECAM */
 		{V4L2_SLICED_WSS_625,23,23,1},
 		{ 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
 		  0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
 	},
 #if 0
-	{0x130, /* Wide Screen Signal, NTSC C */
+	[9] = {0x130, /* Wide Screen Signal, NTSC C */
 		{V4L2_SLICED_WSS_525,20,20,1},
 		{ 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
 		  0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
 	},
-	{0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
+	[10] = {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
 		{V4l2_SLICED_VITC_625,6,22,0},
 		{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 		  0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 	},
-	{0x170, /* Vertical Interval Timecode (VITC), NTSC */
+	[11] = {0x170, /* Vertical Interval Timecode (VITC), NTSC */
 		{V4l2_SLICED_VITC_525,10,20,0},
 		{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 		  0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 	},
 #endif
-	{0x190, /* Video Program System (VPS), PAL */
+	[12] = {0x190, /* Video Program System (VPS), PAL */
 		{V4L2_SLICED_VPS,16,16,0},
 		{ 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
 		  0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
 	},
 	/* 0x1d0 User programmable */
-
-	/* End of struct */
-	{ (u16)-1 }
 };
 
 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
@@ -591,10 +588,10 @@ static int tvp5150_write_inittab(struct v4l2_subdev *sd,
 	return 0;
 }
 
-static int tvp5150_vdp_init(struct v4l2_subdev *sd,
-				const struct i2c_vbi_ram_value *regs)
+static int tvp5150_vdp_init(struct v4l2_subdev *sd)
 {
 	unsigned int i;
+	int j;
 
 	/* Disable Full Field */
 	tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
@@ -604,14 +601,17 @@ static int tvp5150_vdp_init(struct v4l2_subdev *sd,
 		tvp5150_write(sd, i, 0xff);
 
 	/* Load Ram Table */
-	while (regs->reg != (u16)-1) {
+	for (j = 0; j < ARRAY_SIZE(vbi_ram_default); j++) {
+		const struct i2c_vbi_ram_value *regs = &vbi_ram_default[j];
+
+		if (!regs->type.vbi_type)
+			continue;
+
 		tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
 		tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
 
 		for (i = 0; i < 16; i++)
 			tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
-
-		regs++;
 	}
 	return 0;
 }
@@ -620,19 +620,23 @@ static int tvp5150_vdp_init(struct v4l2_subdev *sd,
 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
 				struct v4l2_sliced_vbi_cap *cap)
 {
-	const struct i2c_vbi_ram_value *regs = vbi_ram_default;
-	int line;
+	int line, i;
 
 	dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n");
 	memset(cap, 0, sizeof *cap);
 
-	while (regs->reg != (u16)-1 ) {
-		for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
+	for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
+		const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i];
+
+		if (!regs->type.vbi_type)
+			continue;
+
+		for (line = regs->type.ini_line;
+		     line <= regs->type.end_line;
+		     line++) {
 			cap->service_lines[0][line] |= regs->type.vbi_type;
 		}
 		cap->service_set |= regs->type.vbi_type;
-
-		regs++;
 	}
 	return 0;
 }
@@ -651,14 +655,13 @@ static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
  *	MSB = field2
  */
 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
-			const struct i2c_vbi_ram_value *regs,
 			unsigned int type,u8 flags, int line,
 			const int fields)
 {
 	struct tvp5150 *decoder = to_tvp5150(sd);
 	v4l2_std_id std = decoder->norm;
 	u8 reg;
-	int pos = 0;
+	int i, pos = 0;
 
 	if (std == V4L2_STD_ALL) {
 		dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
@@ -671,19 +674,19 @@ static int tvp5150_set_vbi(struct v4l2_subdev *sd,
 	if (line < 6 || line > 27)
 		return 0;
 
-	while (regs->reg != (u16)-1) {
+	for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
+		const struct i2c_vbi_ram_value *regs =  &vbi_ram_default[i];
+
+		if (!regs->type.vbi_type)
+			continue;
+
 		if ((type & regs->type.vbi_type) &&
 		    (line >= regs->type.ini_line) &&
 		    (line <= regs->type.end_line))
 			break;
-
-		regs++;
 		pos++;
 	}
 
-	if (regs->reg == (u16)-1)
-		return 0;
-
 	type = pos | (flags & 0xf0);
 	reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
 
@@ -696,8 +699,7 @@ static int tvp5150_set_vbi(struct v4l2_subdev *sd,
 	return type;
 }
 
-static int tvp5150_get_vbi(struct v4l2_subdev *sd,
-			const struct i2c_vbi_ram_value *regs, int line)
+static int tvp5150_get_vbi(struct v4l2_subdev *sd, int line)
 {
 	struct tvp5150 *decoder = to_tvp5150(sd);
 	v4l2_std_id std = decoder->norm;
@@ -726,8 +728,8 @@ static int tvp5150_get_vbi(struct v4l2_subdev *sd,
 			return 0;
 		}
 		pos = ret & 0x0f;
-		if (pos < 0x0f)
-			type |= regs[pos].type.vbi_type;
+		if (pos < ARRAY_SIZE(vbi_ram_default))
+			type |= vbi_ram_default[pos].type.vbi_type;
 	}
 
 	return type;
@@ -788,7 +790,7 @@ static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
 	tvp5150_write_inittab(sd, tvp5150_init_default);
 
 	/* Initializes VDP registers */
-	tvp5150_vdp_init(sd, vbi_ram_default);
+	tvp5150_vdp_init(sd);
 
 	/* Selects decoder input */
 	tvp5150_selmux(sd);
@@ -1121,8 +1123,8 @@ static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_f
 		for (i = 0; i <= 23; i++) {
 			svbi->service_lines[1][i] = 0;
 			svbi->service_lines[0][i] =
-				tvp5150_set_vbi(sd, vbi_ram_default,
-				       svbi->service_lines[0][i], 0xf0, i, 3);
+				tvp5150_set_vbi(sd, svbi->service_lines[0][i],
+						0xf0, i, 3);
 		}
 		/* Enables FIFO */
 		tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
@@ -1148,7 +1150,7 @@ static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_f
 
 	for (i = 0; i <= 23; i++) {
 		svbi->service_lines[0][i] =
-			tvp5150_get_vbi(sd, vbi_ram_default, i);
+			tvp5150_get_vbi(sd, i);
 		mask |= svbi->service_lines[0][i];
 	}
 	svbi->service_set = mask;
diff --git a/drivers/media/pci/ttpci/av7110.c b/drivers/media/pci/ttpci/av7110.c
index dc8e577b2f74..d6816effb878 100644
--- a/drivers/media/pci/ttpci/av7110.c
+++ b/drivers/media/pci/ttpci/av7110.c
@@ -324,14 +324,15 @@ static int DvbDmxFilterCallback(u8 *buffer1, size_t buffer1_len,
 		}
 		return dvbdmxfilter->feed->cb.sec(buffer1, buffer1_len,
 						  buffer2, buffer2_len,
-						  &dvbdmxfilter->filter);
+						  &dvbdmxfilter->filter, NULL);
 	case DMX_TYPE_TS:
 		if (!(dvbdmxfilter->feed->ts_type & TS_PACKET))
 			return 0;
 		if (dvbdmxfilter->feed->ts_type & TS_PAYLOAD_ONLY)
 			return dvbdmxfilter->feed->cb.ts(buffer1, buffer1_len,
 							 buffer2, buffer2_len,
-							 &dvbdmxfilter->feed->feed.ts);
+							 &dvbdmxfilter->feed->feed.ts,
+							 NULL);
 		else
 			av7110_p2t_write(buffer1, buffer1_len,
 					 dvbdmxfilter->feed->pid,
diff --git a/drivers/media/pci/ttpci/av7110_av.c b/drivers/media/pci/ttpci/av7110_av.c
index 4daba76ec240..ef1bc17cdc4d 100644
--- a/drivers/media/pci/ttpci/av7110_av.c
+++ b/drivers/media/pci/ttpci/av7110_av.c
@@ -99,7 +99,7 @@ int av7110_record_cb(struct dvb_filter_pes2ts *p2t, u8 *buf, size_t len)
 		buf[4] = buf[5] = 0;
 	if (dvbdmxfeed->ts_type & TS_PAYLOAD_ONLY)
 		return dvbdmxfeed->cb.ts(buf, len, NULL, 0,
-					 &dvbdmxfeed->feed.ts);
+					 &dvbdmxfeed->feed.ts, NULL);
 	else
 		return dvb_filter_pes2ts(p2t, buf, len, 1);
 }
@@ -109,7 +109,7 @@ static int dvb_filter_pes2ts_cb(void *priv, unsigned char *data)
 	struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) priv;
 
 	dvbdmxfeed->cb.ts(data, 188, NULL, 0,
-			  &dvbdmxfeed->feed.ts);
+			  &dvbdmxfeed->feed.ts, NULL);
 	return 0;
 }
 
@@ -814,7 +814,7 @@ static void p_to_t(u8 const *buf, long int length, u16 pid, u8 *counter,
 			memcpy(obuf + l, buf + c, TS_SIZE - l);
 			c = length;
 		}
-		feed->cb.ts(obuf, 188, NULL, 0, &feed->feed.ts);
+		feed->cb.ts(obuf, 188, NULL, 0, &feed->feed.ts, NULL);
 		pes_start = 0;
 	}
 }
diff --git a/drivers/media/usb/au0828/Kconfig b/drivers/media/usb/au0828/Kconfig
index 70521e0b4c53..bfaa806633df 100644
--- a/drivers/media/usb/au0828/Kconfig
+++ b/drivers/media/usb/au0828/Kconfig
@@ -1,7 +1,7 @@
 
 config VIDEO_AU0828
 	tristate "Auvitek AU0828 support"
-	depends on I2C && INPUT && DVB_CORE && USB
+	depends on I2C && INPUT && DVB_CORE && USB && VIDEO_V4L2
 	select I2C_ALGOBIT
 	select VIDEO_TVEEPROM
 	select VIDEOBUF2_VMALLOC
diff --git a/drivers/media/usb/ttusb-dec/ttusb_dec.c b/drivers/media/usb/ttusb-dec/ttusb_dec.c
index a8900f5571f7..44ca66cb9b8f 100644
--- a/drivers/media/usb/ttusb-dec/ttusb_dec.c
+++ b/drivers/media/usb/ttusb-dec/ttusb_dec.c
@@ -428,7 +428,7 @@ static int ttusb_dec_audio_pes2ts_cb(void *priv, unsigned char *data)
 	struct ttusb_dec *dec = priv;
 
 	dec->audio_filter->feed->cb.ts(data, 188, NULL, 0,
-				       &dec->audio_filter->feed->feed.ts);
+				       &dec->audio_filter->feed->feed.ts, NULL);
 
 	return 0;
 }
@@ -438,7 +438,7 @@ static int ttusb_dec_video_pes2ts_cb(void *priv, unsigned char *data)
 	struct ttusb_dec *dec = priv;
 
 	dec->video_filter->feed->cb.ts(data, 188, NULL, 0,
-				       &dec->video_filter->feed->feed.ts);
+				       &dec->video_filter->feed->feed.ts, NULL);
 
 	return 0;
 }
@@ -490,7 +490,7 @@ static void ttusb_dec_process_pva(struct ttusb_dec *dec, u8 *pva, int length)
 
 		if (output_pva) {
 			dec->video_filter->feed->cb.ts(pva, length, NULL, 0,
-				&dec->video_filter->feed->feed.ts);
+				&dec->video_filter->feed->feed.ts, NULL);
 			return;
 		}
 
@@ -551,7 +551,7 @@ static void ttusb_dec_process_pva(struct ttusb_dec *dec, u8 *pva, int length)
 	case 0x02:		/* MainAudioStream */
 		if (output_pva) {
 			dec->audio_filter->feed->cb.ts(pva, length, NULL, 0,
-				&dec->audio_filter->feed->feed.ts);
+				&dec->audio_filter->feed->feed.ts, NULL);
 			return;
 		}
 
@@ -589,7 +589,7 @@ static void ttusb_dec_process_filter(struct ttusb_dec *dec, u8 *packet,
 
 	if (filter)
 		filter->feed->cb.sec(&packet[2], length - 2, NULL, 0,
-				     &filter->filter);
+				     &filter->filter, NULL);
 }
 
 static void ttusb_dec_process_packet(struct ttusb_dec *dec)
diff --git a/drivers/media/v4l2-core/Kconfig b/drivers/media/v4l2-core/Kconfig
index bf52fbd07aed..8e37e7c5e0f7 100644
--- a/drivers/media/v4l2-core/Kconfig
+++ b/drivers/media/v4l2-core/Kconfig
@@ -7,6 +7,7 @@ config VIDEO_V4L2
 	tristate
 	depends on (I2C || I2C=n) && VIDEO_DEV
 	select RATIONAL
+	select VIDEOBUF2_V4L2 if VIDEOBUF2_CORE
 	default (I2C || I2C=n) && VIDEO_DEV
 
 config VIDEO_ADV_DEBUG
diff --git a/drivers/media/v4l2-core/Makefile b/drivers/media/v4l2-core/Makefile
index 80de2cb9c476..7df54582e956 100644
--- a/drivers/media/v4l2-core/Makefile
+++ b/drivers/media/v4l2-core/Makefile
@@ -13,7 +13,7 @@ ifeq ($(CONFIG_COMPAT),y)
 endif
 obj-$(CONFIG_V4L2_FWNODE) += v4l2-fwnode.o
 ifeq ($(CONFIG_TRACEPOINTS),y)
-  videodev-objs += vb2-trace.o v4l2-trace.o
+  videodev-objs += v4l2-trace.o
 endif
 videodev-$(CONFIG_MEDIA_CONTROLLER) += v4l2-mc.o
 
@@ -35,4 +35,3 @@ obj-$(CONFIG_VIDEOBUF_DVB) += videobuf-dvb.o
 
 ccflags-y += -I$(srctree)/drivers/media/dvb-frontends
 ccflags-y += -I$(srctree)/drivers/media/tuners
-
diff --git a/drivers/memory/brcmstb_dpfe.c b/drivers/memory/brcmstb_dpfe.c
index 0a7bdbed3a6f..e9c1485c32b9 100644
--- a/drivers/memory/brcmstb_dpfe.c
+++ b/drivers/memory/brcmstb_dpfe.c
@@ -45,8 +45,16 @@
 #define REG_TO_DCPU_MBOX	0x10
 #define REG_TO_HOST_MBOX	0x14
 
+/* Macros to process offsets returned by the DCPU */
+#define DRAM_MSG_ADDR_OFFSET	0x0
+#define DRAM_MSG_TYPE_OFFSET	0x1c
+#define DRAM_MSG_ADDR_MASK	((1UL << DRAM_MSG_TYPE_OFFSET) - 1)
+#define DRAM_MSG_TYPE_MASK	((1UL << \
+				 (BITS_PER_LONG - DRAM_MSG_TYPE_OFFSET)) - 1)
+
 /* Message RAM */
-#define DCPU_MSG_RAM(x)		(0x100 + (x) * sizeof(u32))
+#define DCPU_MSG_RAM_START	0x100
+#define DCPU_MSG_RAM(x)		(DCPU_MSG_RAM_START + (x) * sizeof(u32))
 
 /* DRAM Info Offsets & Masks */
 #define DRAM_INFO_INTERVAL	0x0
@@ -255,6 +263,40 @@ static unsigned int get_msg_chksum(const u32 msg[])
 	return sum;
 }
 
+static void __iomem *get_msg_ptr(struct private_data *priv, u32 response,
+				 char *buf, ssize_t *size)
+{
+	unsigned int msg_type;
+	unsigned int offset;
+	void __iomem *ptr = NULL;
+
+	msg_type = (response >> DRAM_MSG_TYPE_OFFSET) & DRAM_MSG_TYPE_MASK;
+	offset = (response >> DRAM_MSG_ADDR_OFFSET) & DRAM_MSG_ADDR_MASK;
+
+	/*
+	 * msg_type == 1: the offset is relative to the message RAM
+	 * msg_type == 0: the offset is relative to the data RAM (this is the
+	 *                previous way of passing data)
+	 * msg_type is anything else: there's critical hardware problem
+	 */
+	switch (msg_type) {
+	case 1:
+		ptr = priv->regs + DCPU_MSG_RAM_START + offset;
+		break;
+	case 0:
+		ptr = priv->dmem + offset;
+		break;
+	default:
+		dev_emerg(priv->dev, "invalid message reply from DCPU: %#x\n",
+			response);
+		if (buf && size)
+			*size = sprintf(buf,
+				"FATAL: communication error with DCPU\n");
+	}
+
+	return ptr;
+}
+
 static int __send_command(struct private_data *priv, unsigned int cmd,
 			  u32 result[])
 {
@@ -507,7 +549,7 @@ static ssize_t show_info(struct device *dev, struct device_attribute *devattr,
 {
 	u32 response[MSG_FIELD_MAX];
 	unsigned int info;
-	int ret;
+	ssize_t ret;
 
 	ret = generic_show(DPFE_CMD_GET_INFO, response, dev, buf);
 	if (ret)
@@ -528,18 +570,19 @@ static ssize_t show_refresh(struct device *dev,
 	u32 response[MSG_FIELD_MAX];
 	void __iomem *info;
 	struct private_data *priv;
-	unsigned int offset;
 	u8 refresh, sr_abort, ppre, thermal_offs, tuf;
 	u32 mr4;
-	int ret;
+	ssize_t ret;
 
 	ret = generic_show(DPFE_CMD_GET_REFRESH, response, dev, buf);
 	if (ret)
 		return ret;
 
 	priv = dev_get_drvdata(dev);
-	offset = response[MSG_ARG0];
-	info = priv->dmem + offset;
+
+	info = get_msg_ptr(priv, response[MSG_ARG0], buf, &ret);
+	if (!info)
+		return ret;
 
 	mr4 = readl_relaxed(info + DRAM_INFO_MR4) & DRAM_INFO_MR4_MASK;
 
@@ -561,7 +604,6 @@ static ssize_t store_refresh(struct device *dev, struct device_attribute *attr,
 	u32 response[MSG_FIELD_MAX];
 	struct private_data *priv;
 	void __iomem *info;
-	unsigned int offset;
 	unsigned long val;
 	int ret;
 
@@ -574,8 +616,10 @@ static ssize_t store_refresh(struct device *dev, struct device_attribute *attr,
 	if (ret)
 		return ret;
 
-	offset = response[MSG_ARG0];
-	info = priv->dmem + offset;
+	info = get_msg_ptr(priv, response[MSG_ARG0], NULL, NULL);
+	if (!info)
+		return -EIO;
+
 	writel_relaxed(val, info + DRAM_INFO_INTERVAL);
 
 	return count;
@@ -587,23 +631,25 @@ static ssize_t show_vendor(struct device *dev, struct device_attribute *devattr,
 	u32 response[MSG_FIELD_MAX];
 	struct private_data *priv;
 	void __iomem *info;
-	unsigned int offset;
-	int ret;
+	ssize_t ret;
 
 	ret = generic_show(DPFE_CMD_GET_VENDOR, response, dev, buf);
 	if (ret)
 		return ret;
 
-	offset = response[MSG_ARG0];
 	priv = dev_get_drvdata(dev);
-	info = priv->dmem + offset;
+
+	info = get_msg_ptr(priv, response[MSG_ARG0], buf, &ret);
+	if (!info)
+		return ret;
 
 	return sprintf(buf, "%#x %#x %#x %#x %#x\n",
 		       readl_relaxed(info + DRAM_VENDOR_MR5) & DRAM_VENDOR_MASK,
 		       readl_relaxed(info + DRAM_VENDOR_MR6) & DRAM_VENDOR_MASK,
 		       readl_relaxed(info + DRAM_VENDOR_MR7) & DRAM_VENDOR_MASK,
 		       readl_relaxed(info + DRAM_VENDOR_MR8) & DRAM_VENDOR_MASK,
-		       readl_relaxed(info + DRAM_VENDOR_ERROR));
+		       readl_relaxed(info + DRAM_VENDOR_ERROR) &
+				     DRAM_VENDOR_MASK);
 }
 
 static int brcmstb_dpfe_resume(struct platform_device *pdev)
diff --git a/drivers/misc/ocxl/file.c b/drivers/misc/ocxl/file.c
index 337462e1569f..038509e5d031 100644
--- a/drivers/misc/ocxl/file.c
+++ b/drivers/misc/ocxl/file.c
@@ -102,10 +102,32 @@ static long afu_ioctl_attach(struct ocxl_context *ctx,
 	return rc;
 }
 
+static long afu_ioctl_get_metadata(struct ocxl_context *ctx,
+		struct ocxl_ioctl_metadata __user *uarg)
+{
+	struct ocxl_ioctl_metadata arg;
+
+	memset(&arg, 0, sizeof(arg));
+
+	arg.version = 0;
+
+	arg.afu_version_major = ctx->afu->config.version_major;
+	arg.afu_version_minor = ctx->afu->config.version_minor;
+	arg.pasid = ctx->pasid;
+	arg.pp_mmio_size = ctx->afu->config.pp_mmio_stride;
+	arg.global_mmio_size = ctx->afu->config.global_mmio_size;
+
+	if (copy_to_user(uarg, &arg, sizeof(arg)))
+		return -EFAULT;
+
+	return 0;
+}
+
 #define CMD_STR(x) (x == OCXL_IOCTL_ATTACH ? "ATTACH" :			\
 			x == OCXL_IOCTL_IRQ_ALLOC ? "IRQ_ALLOC" :	\
 			x == OCXL_IOCTL_IRQ_FREE ? "IRQ_FREE" :		\
 			x == OCXL_IOCTL_IRQ_SET_FD ? "IRQ_SET_FD" :	\
+			x == OCXL_IOCTL_GET_METADATA ? "GET_METADATA" :	\
 			"UNKNOWN")
 
 static long afu_ioctl(struct file *file, unsigned int cmd,
@@ -159,6 +181,11 @@ static long afu_ioctl(struct file *file, unsigned int cmd,
 					irq_fd.eventfd);
 		break;
 
+	case OCXL_IOCTL_GET_METADATA:
+		rc = afu_ioctl_get_metadata(ctx,
+				(struct ocxl_ioctl_metadata __user *) args);
+		break;
+
 	default:
 		rc = -EINVAL;
 	}
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index 908e4db03535..42d6aa89a48a 100644
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -848,7 +848,6 @@ int mmc_interrupt_hpi(struct mmc_card *card)
 		return 1;
 	}
 
-	mmc_claim_host(card->host);
 	err = mmc_send_status(card, &status);
 	if (err) {
 		pr_err("%s: Get card status fail\n", mmc_hostname(card->host));
@@ -890,7 +889,6 @@ int mmc_interrupt_hpi(struct mmc_card *card)
 	} while (!err);
 
 out:
-	mmc_release_host(card->host);
 	return err;
 }
 
@@ -932,9 +930,7 @@ static int mmc_read_bkops_status(struct mmc_card *card)
 	int err;
 	u8 *ext_csd;
 
-	mmc_claim_host(card->host);
 	err = mmc_get_ext_csd(card, &ext_csd);
-	mmc_release_host(card->host);
 	if (err)
 		return err;
 
diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c
index 35026795be28..fa41d9422d57 100644
--- a/drivers/mmc/host/dw_mmc-exynos.c
+++ b/drivers/mmc/host/dw_mmc-exynos.c
@@ -487,6 +487,7 @@ static unsigned long exynos_dwmmc_caps[4] = {
 
 static const struct dw_mci_drv_data exynos_drv_data = {
 	.caps			= exynos_dwmmc_caps,
+	.num_caps		= ARRAY_SIZE(exynos_dwmmc_caps),
 	.init			= dw_mci_exynos_priv_init,
 	.set_ios		= dw_mci_exynos_set_ios,
 	.parse_dt		= dw_mci_exynos_parse_dt,
diff --git a/drivers/mmc/host/dw_mmc-k3.c b/drivers/mmc/host/dw_mmc-k3.c
index 73fd75c3c824..89cdb3d533bb 100644
--- a/drivers/mmc/host/dw_mmc-k3.c
+++ b/drivers/mmc/host/dw_mmc-k3.c
@@ -135,6 +135,9 @@ static int dw_mci_hi6220_parse_dt(struct dw_mci *host)
 	if (priv->ctrl_id < 0)
 		priv->ctrl_id = 0;
 
+	if (priv->ctrl_id >= TIMING_MODE)
+		return -EINVAL;
+
 	host->priv = priv;
 	return 0;
 }
@@ -207,6 +210,7 @@ static int dw_mci_hi6220_execute_tuning(struct dw_mci_slot *slot, u32 opcode)
 
 static const struct dw_mci_drv_data hi6220_data = {
 	.caps			= dw_mci_hi6220_caps,
+	.num_caps		= ARRAY_SIZE(dw_mci_hi6220_caps),
 	.switch_voltage		= dw_mci_hi6220_switch_voltage,
 	.set_ios		= dw_mci_hi6220_set_ios,
 	.parse_dt		= dw_mci_hi6220_parse_dt,
diff --git a/drivers/mmc/host/dw_mmc-rockchip.c b/drivers/mmc/host/dw_mmc-rockchip.c
index a3f1c2b30145..339295212935 100644
--- a/drivers/mmc/host/dw_mmc-rockchip.c
+++ b/drivers/mmc/host/dw_mmc-rockchip.c
@@ -319,6 +319,7 @@ static const struct dw_mci_drv_data rk2928_drv_data = {
 
 static const struct dw_mci_drv_data rk3288_drv_data = {
 	.caps			= dw_mci_rk3288_dwmmc_caps,
+	.num_caps		= ARRAY_SIZE(dw_mci_rk3288_dwmmc_caps),
 	.set_ios		= dw_mci_rk3288_set_ios,
 	.execute_tuning		= dw_mci_rk3288_execute_tuning,
 	.parse_dt		= dw_mci_rk3288_parse_dt,
diff --git a/drivers/mmc/host/dw_mmc-zx.c b/drivers/mmc/host/dw_mmc-zx.c
index d38e94ae2b85..c06b5393312f 100644
--- a/drivers/mmc/host/dw_mmc-zx.c
+++ b/drivers/mmc/host/dw_mmc-zx.c
@@ -195,6 +195,7 @@ static unsigned long zx_dwmmc_caps[3] = {
 
 static const struct dw_mci_drv_data zx_drv_data = {
 	.caps			= zx_dwmmc_caps,
+	.num_caps		= ARRAY_SIZE(zx_dwmmc_caps),
 	.execute_tuning		= dw_mci_zx_execute_tuning,
 	.prepare_hs400_tuning	= dw_mci_zx_prepare_hs400_tuning,
 	.parse_dt               = dw_mci_zx_parse_dt,
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 0aa39975f33b..d9b4acefed31 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -165,6 +165,8 @@ static int dw_mci_regs_show(struct seq_file *s, void *v)
 {
 	struct dw_mci *host = s->private;
 
+	pm_runtime_get_sync(host->dev);
+
 	seq_printf(s, "STATUS:\t0x%08x\n", mci_readl(host, STATUS));
 	seq_printf(s, "RINTSTS:\t0x%08x\n", mci_readl(host, RINTSTS));
 	seq_printf(s, "CMD:\t0x%08x\n", mci_readl(host, CMD));
@@ -172,6 +174,8 @@ static int dw_mci_regs_show(struct seq_file *s, void *v)
 	seq_printf(s, "INTMASK:\t0x%08x\n", mci_readl(host, INTMASK));
 	seq_printf(s, "CLKENA:\t0x%08x\n", mci_readl(host, CLKENA));
 
+	pm_runtime_put_autosuspend(host->dev);
+
 	return 0;
 }
 
@@ -2778,12 +2782,57 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
+static int dw_mci_init_slot_caps(struct dw_mci_slot *slot)
+{
+	struct dw_mci *host = slot->host;
+	const struct dw_mci_drv_data *drv_data = host->drv_data;
+	struct mmc_host *mmc = slot->mmc;
+	int ctrl_id;
+
+	if (host->pdata->caps)
+		mmc->caps = host->pdata->caps;
+
+	/*
+	 * Support MMC_CAP_ERASE by default.
+	 * It needs to use trim/discard/erase commands.
+	 */
+	mmc->caps |= MMC_CAP_ERASE;
+
+	if (host->pdata->pm_caps)
+		mmc->pm_caps = host->pdata->pm_caps;
+
+	if (host->dev->of_node) {
+		ctrl_id = of_alias_get_id(host->dev->of_node, "mshc");
+		if (ctrl_id < 0)
+			ctrl_id = 0;
+	} else {
+		ctrl_id = to_platform_device(host->dev)->id;
+	}
+
+	if (drv_data && drv_data->caps) {
+		if (ctrl_id >= drv_data->num_caps) {
+			dev_err(host->dev, "invalid controller id %d\n",
+				ctrl_id);
+			return -EINVAL;
+		}
+		mmc->caps |= drv_data->caps[ctrl_id];
+	}
+
+	if (host->pdata->caps2)
+		mmc->caps2 = host->pdata->caps2;
+
+	/* Process SDIO IRQs through the sdio_irq_work. */
+	if (mmc->caps & MMC_CAP_SDIO_IRQ)
+		mmc->caps2 |= MMC_CAP2_SDIO_IRQ_NOTHREAD;
+
+	return 0;
+}
+
 static int dw_mci_init_slot(struct dw_mci *host)
 {
 	struct mmc_host *mmc;
 	struct dw_mci_slot *slot;
-	const struct dw_mci_drv_data *drv_data = host->drv_data;
-	int ctrl_id, ret;
+	int ret;
 	u32 freq[2];
 
 	mmc = mmc_alloc_host(sizeof(struct dw_mci_slot), host->dev);
@@ -2817,38 +2866,13 @@ static int dw_mci_init_slot(struct dw_mci *host)
 	if (!mmc->ocr_avail)
 		mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
 
-	if (host->pdata->caps)
-		mmc->caps = host->pdata->caps;
-
-	/*
-	 * Support MMC_CAP_ERASE by default.
-	 * It needs to use trim/discard/erase commands.
-	 */
-	mmc->caps |= MMC_CAP_ERASE;
-
-	if (host->pdata->pm_caps)
-		mmc->pm_caps = host->pdata->pm_caps;
-
-	if (host->dev->of_node) {
-		ctrl_id = of_alias_get_id(host->dev->of_node, "mshc");
-		if (ctrl_id < 0)
-			ctrl_id = 0;
-	} else {
-		ctrl_id = to_platform_device(host->dev)->id;
-	}
-	if (drv_data && drv_data->caps)
-		mmc->caps |= drv_data->caps[ctrl_id];
-
-	if (host->pdata->caps2)
-		mmc->caps2 = host->pdata->caps2;
-
 	ret = mmc_of_parse(mmc);
 	if (ret)
 		goto err_host_allocated;
 
-	/* Process SDIO IRQs through the sdio_irq_work. */
-	if (mmc->caps & MMC_CAP_SDIO_IRQ)
-		mmc->caps2 |= MMC_CAP2_SDIO_IRQ_NOTHREAD;
+	ret = dw_mci_init_slot_caps(slot);
+	if (ret)
+		goto err_host_allocated;
 
 	/* Useful defaults if platform data is unset. */
 	if (host->use_dma == TRANS_MODE_IDMAC) {
diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h
index e3124f06a47e..1424bd490dd1 100644
--- a/drivers/mmc/host/dw_mmc.h
+++ b/drivers/mmc/host/dw_mmc.h
@@ -543,6 +543,7 @@ struct dw_mci_slot {
 /**
  * dw_mci driver data - dw-mshc implementation specific driver data.
  * @caps: mmc subsystem specified capabilities of the controller(s).
+ * @num_caps: number of capabilities specified by @caps.
  * @init: early implementation specific initialization.
  * @set_ios: handle bus specific extensions.
  * @parse_dt: parse implementation specific device tree properties.
@@ -554,6 +555,7 @@ struct dw_mci_slot {
  */
 struct dw_mci_drv_data {
 	unsigned long	*caps;
+	u32		num_caps;
 	int		(*init)(struct dw_mci *host);
 	void		(*set_ios)(struct dw_mci *host, struct mmc_ios *ios);
 	int		(*parse_dt)(struct dw_mci *host);
diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
index 6d1a983e6227..82c4f05f91d8 100644
--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -654,9 +654,36 @@ static void byt_read_dsm(struct sdhci_pci_slot *slot)
 	slot->chip->rpm_retune = intel_host->d3_retune;
 }
 
-static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot)
+static int intel_execute_tuning(struct mmc_host *mmc, u32 opcode)
+{
+	int err = sdhci_execute_tuning(mmc, opcode);
+	struct sdhci_host *host = mmc_priv(mmc);
+
+	if (err)
+		return err;
+
+	/*
+	 * Tuning can leave the IP in an active state (Buffer Read Enable bit
+	 * set) which prevents the entry to low power states (i.e. S0i3). Data
+	 * reset will clear it.
+	 */
+	sdhci_reset(host, SDHCI_RESET_DATA);
+
+	return 0;
+}
+
+static void byt_probe_slot(struct sdhci_pci_slot *slot)
 {
+	struct mmc_host_ops *ops = &slot->host->mmc_host_ops;
+
 	byt_read_dsm(slot);
+
+	ops->execute_tuning = intel_execute_tuning;
+}
+
+static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot)
+{
+	byt_probe_slot(slot);
 	slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE |
 				 MMC_CAP_HW_RESET | MMC_CAP_1_8V_DDR |
 				 MMC_CAP_CMD_DURING_TFR |
@@ -779,7 +806,7 @@ static int ni_byt_sdio_probe_slot(struct sdhci_pci_slot *slot)
 {
 	int err;
 
-	byt_read_dsm(slot);
+	byt_probe_slot(slot);
 
 	err = ni_set_max_freq(slot);
 	if (err)
@@ -792,7 +819,7 @@ static int ni_byt_sdio_probe_slot(struct sdhci_pci_slot *slot)
 
 static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot)
 {
-	byt_read_dsm(slot);
+	byt_probe_slot(slot);
 	slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE |
 				 MMC_CAP_WAIT_WHILE_BUSY;
 	return 0;
@@ -800,7 +827,7 @@ static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot)
 
 static int byt_sd_probe_slot(struct sdhci_pci_slot *slot)
 {
-	byt_read_dsm(slot);
+	byt_probe_slot(slot);
 	slot->host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY |
 				 MMC_CAP_AGGRESSIVE_PM | MMC_CAP_CD_WAKE;
 	slot->cd_idx = 0;
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index f5c87bd35fa1..f27f9bae1a4a 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -3063,9 +3063,6 @@ static void gfar_process_frame(struct net_device *ndev, struct sk_buff *skb)
 	if (ndev->features & NETIF_F_RXCSUM)
 		gfar_rx_checksum(skb, fcb);
 
-	/* Tell the skb what kind of packet this is */
-	skb->protocol = eth_type_trans(skb, ndev);
-
 	/* There's need to check for NETIF_F_HW_VLAN_CTAG_RX here.
 	 * Even if vlan rx accel is disabled, on some chips
 	 * RXFCB_VLN is pseudo randomly set.
@@ -3136,13 +3133,15 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
 			continue;
 		}
 
+		gfar_process_frame(ndev, skb);
+
 		/* Increment the number of packets */
 		total_pkts++;
 		total_bytes += skb->len;
 
 		skb_record_rx_queue(skb, rx_queue->qindex);
 
-		gfar_process_frame(ndev, skb);
+		skb->protocol = eth_type_trans(skb, ndev);
 
 		/* Send the packet up the stack */
 		napi_gro_receive(&rx_queue->grp->napi_rx, skb);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 0da5aa2c8aba..9fc063af233c 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -1888,6 +1888,14 @@ static void ixgbe_dma_sync_frag(struct ixgbe_ring *rx_ring,
 				     ixgbe_rx_pg_size(rx_ring),
 				     DMA_FROM_DEVICE,
 				     IXGBE_RX_DMA_ATTR);
+	} else if (ring_uses_build_skb(rx_ring)) {
+		unsigned long offset = (unsigned long)(skb->data) & ~PAGE_MASK;
+
+		dma_sync_single_range_for_cpu(rx_ring->dev,
+					      IXGBE_CB(skb)->dma,
+					      offset,
+					      skb_headlen(skb),
+					      DMA_FROM_DEVICE);
 	} else {
 		struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[0];
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c
index 21d29f7936f6..d39b0b7011b2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/health.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c
@@ -124,7 +124,7 @@ void mlx5_enter_error_state(struct mlx5_core_dev *dev, bool force)
 		trigger_cmd_completions(dev);
 	}
 
-	mlx5_core_event(dev, MLX5_DEV_EVENT_SYS_ERROR, 0);
+	mlx5_core_event(dev, MLX5_DEV_EVENT_SYS_ERROR, 1);
 	mlx5_core_err(dev, "end\n");
 
 unlock:
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.h b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.h
index f6963b0b4a55..122506daa586 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.h
@@ -107,20 +107,20 @@ static const struct mlxsw_afk_element_info mlxsw_afk_element_infos[] = {
 	MLXSW_AFK_ELEMENT_INFO_U32(VID, 0x10, 8, 12),
 	MLXSW_AFK_ELEMENT_INFO_U32(PCP, 0x10, 20, 3),
 	MLXSW_AFK_ELEMENT_INFO_U32(TCP_FLAGS, 0x10, 23, 9),
-	MLXSW_AFK_ELEMENT_INFO_U32(IP_TTL_, 0x14, 0, 8),
-	MLXSW_AFK_ELEMENT_INFO_U32(IP_ECN, 0x14, 9, 2),
-	MLXSW_AFK_ELEMENT_INFO_U32(IP_DSCP, 0x14, 11, 6),
-	MLXSW_AFK_ELEMENT_INFO_U32(SRC_IP4, 0x18, 0, 32),
-	MLXSW_AFK_ELEMENT_INFO_U32(DST_IP4, 0x1C, 0, 32),
-	MLXSW_AFK_ELEMENT_INFO_BUF(SRC_IP6_HI, 0x18, 8),
-	MLXSW_AFK_ELEMENT_INFO_BUF(SRC_IP6_LO, 0x20, 8),
-	MLXSW_AFK_ELEMENT_INFO_BUF(DST_IP6_HI, 0x28, 8),
-	MLXSW_AFK_ELEMENT_INFO_BUF(DST_IP6_LO, 0x30, 8),
 	MLXSW_AFK_ELEMENT_INFO_U32(DST_L4_PORT, 0x14, 0, 16),
 	MLXSW_AFK_ELEMENT_INFO_U32(SRC_L4_PORT, 0x14, 16, 16),
+	MLXSW_AFK_ELEMENT_INFO_U32(IP_TTL_, 0x18, 0, 8),
+	MLXSW_AFK_ELEMENT_INFO_U32(IP_ECN, 0x18, 9, 2),
+	MLXSW_AFK_ELEMENT_INFO_U32(IP_DSCP, 0x18, 11, 6),
+	MLXSW_AFK_ELEMENT_INFO_U32(SRC_IP4, 0x20, 0, 32),
+	MLXSW_AFK_ELEMENT_INFO_U32(DST_IP4, 0x24, 0, 32),
+	MLXSW_AFK_ELEMENT_INFO_BUF(SRC_IP6_HI, 0x20, 8),
+	MLXSW_AFK_ELEMENT_INFO_BUF(SRC_IP6_LO, 0x28, 8),
+	MLXSW_AFK_ELEMENT_INFO_BUF(DST_IP6_HI, 0x30, 8),
+	MLXSW_AFK_ELEMENT_INFO_BUF(DST_IP6_LO, 0x38, 8),
 };
 
-#define MLXSW_AFK_ELEMENT_STORAGE_SIZE 0x38
+#define MLXSW_AFK_ELEMENT_STORAGE_SIZE 0x40
 
 struct mlxsw_afk_element_inst { /* element instance in actual block */
 	const struct mlxsw_afk_element_info *info;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 3dcc58d61506..c7e941aecc2a 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -1459,6 +1459,7 @@ mlxsw_sp_port_vlan_create(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
 	}
 
 	mlxsw_sp_port_vlan->mlxsw_sp_port = mlxsw_sp_port;
+	mlxsw_sp_port_vlan->ref_count = 1;
 	mlxsw_sp_port_vlan->vid = vid;
 	list_add(&mlxsw_sp_port_vlan->list, &mlxsw_sp_port->vlans_list);
 
@@ -1486,8 +1487,10 @@ mlxsw_sp_port_vlan_get(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
 	struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
 
 	mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid);
-	if (mlxsw_sp_port_vlan)
+	if (mlxsw_sp_port_vlan) {
+		mlxsw_sp_port_vlan->ref_count++;
 		return mlxsw_sp_port_vlan;
+	}
 
 	return mlxsw_sp_port_vlan_create(mlxsw_sp_port, vid);
 }
@@ -1496,6 +1499,9 @@ void mlxsw_sp_port_vlan_put(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan)
 {
 	struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid;
 
+	if (--mlxsw_sp_port_vlan->ref_count != 0)
+		return;
+
 	if (mlxsw_sp_port_vlan->bridge_port)
 		mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan);
 	else if (fid)
@@ -4207,13 +4213,12 @@ static struct devlink_resource_ops mlxsw_sp_resource_kvd_hash_double_ops = {
 	.size_validate = mlxsw_sp_resource_kvd_hash_double_size_validate,
 };
 
-static struct devlink_resource_size_params mlxsw_sp_kvd_size_params;
-static struct devlink_resource_size_params mlxsw_sp_linear_size_params;
-static struct devlink_resource_size_params mlxsw_sp_hash_single_size_params;
-static struct devlink_resource_size_params mlxsw_sp_hash_double_size_params;
-
 static void
-mlxsw_sp_resource_size_params_prepare(struct mlxsw_core *mlxsw_core)
+mlxsw_sp_resource_size_params_prepare(struct mlxsw_core *mlxsw_core,
+				      struct devlink_resource_size_params *kvd_size_params,
+				      struct devlink_resource_size_params *linear_size_params,
+				      struct devlink_resource_size_params *hash_double_size_params,
+				      struct devlink_resource_size_params *hash_single_size_params)
 {
 	u32 single_size_min = MLXSW_CORE_RES_GET(mlxsw_core,
 						 KVD_SINGLE_MIN_SIZE);
@@ -4222,37 +4227,35 @@ mlxsw_sp_resource_size_params_prepare(struct mlxsw_core *mlxsw_core)
 	u32 kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE);
 	u32 linear_size_min = 0;
 
-	/* KVD top resource */
-	mlxsw_sp_kvd_size_params.size_min = kvd_size;
-	mlxsw_sp_kvd_size_params.size_max = kvd_size;
-	mlxsw_sp_kvd_size_params.size_granularity = MLXSW_SP_KVD_GRANULARITY;
-	mlxsw_sp_kvd_size_params.unit = DEVLINK_RESOURCE_UNIT_ENTRY;
-
-	/* Linear part init */
-	mlxsw_sp_linear_size_params.size_min = linear_size_min;
-	mlxsw_sp_linear_size_params.size_max = kvd_size - single_size_min -
-					       double_size_min;
-	mlxsw_sp_linear_size_params.size_granularity = MLXSW_SP_KVD_GRANULARITY;
-	mlxsw_sp_linear_size_params.unit = DEVLINK_RESOURCE_UNIT_ENTRY;
-
-	/* Hash double part init */
-	mlxsw_sp_hash_double_size_params.size_min = double_size_min;
-	mlxsw_sp_hash_double_size_params.size_max = kvd_size - single_size_min -
-						    linear_size_min;
-	mlxsw_sp_hash_double_size_params.size_granularity = MLXSW_SP_KVD_GRANULARITY;
-	mlxsw_sp_hash_double_size_params.unit = DEVLINK_RESOURCE_UNIT_ENTRY;
-
-	/* Hash single part init */
-	mlxsw_sp_hash_single_size_params.size_min = single_size_min;
-	mlxsw_sp_hash_single_size_params.size_max = kvd_size - double_size_min -
-						    linear_size_min;
-	mlxsw_sp_hash_single_size_params.size_granularity = MLXSW_SP_KVD_GRANULARITY;
-	mlxsw_sp_hash_single_size_params.unit = DEVLINK_RESOURCE_UNIT_ENTRY;
+	devlink_resource_size_params_init(kvd_size_params, kvd_size, kvd_size,
+					  MLXSW_SP_KVD_GRANULARITY,
+					  DEVLINK_RESOURCE_UNIT_ENTRY);
+	devlink_resource_size_params_init(linear_size_params, linear_size_min,
+					  kvd_size - single_size_min -
+					  double_size_min,
+					  MLXSW_SP_KVD_GRANULARITY,
+					  DEVLINK_RESOURCE_UNIT_ENTRY);
+	devlink_resource_size_params_init(hash_double_size_params,
+					  double_size_min,
+					  kvd_size - single_size_min -
+					  linear_size_min,
+					  MLXSW_SP_KVD_GRANULARITY,
+					  DEVLINK_RESOURCE_UNIT_ENTRY);
+	devlink_resource_size_params_init(hash_single_size_params,
+					  single_size_min,
+					  kvd_size - double_size_min -
+					  linear_size_min,
+					  MLXSW_SP_KVD_GRANULARITY,
+					  DEVLINK_RESOURCE_UNIT_ENTRY);
 }
 
 static int mlxsw_sp_resources_register(struct mlxsw_core *mlxsw_core)
 {
 	struct devlink *devlink = priv_to_devlink(mlxsw_core);
+	struct devlink_resource_size_params hash_single_size_params;
+	struct devlink_resource_size_params hash_double_size_params;
+	struct devlink_resource_size_params linear_size_params;
+	struct devlink_resource_size_params kvd_size_params;
 	u32 kvd_size, single_size, double_size, linear_size;
 	const struct mlxsw_config_profile *profile;
 	int err;
@@ -4261,13 +4264,17 @@ static int mlxsw_sp_resources_register(struct mlxsw_core *mlxsw_core)
 	if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE))
 		return -EIO;
 
-	mlxsw_sp_resource_size_params_prepare(mlxsw_core);
+	mlxsw_sp_resource_size_params_prepare(mlxsw_core, &kvd_size_params,
+					      &linear_size_params,
+					      &hash_double_size_params,
+					      &hash_single_size_params);
+
 	kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE);
 	err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD,
 					true, kvd_size,
 					MLXSW_SP_RESOURCE_KVD,
 					DEVLINK_RESOURCE_ID_PARENT_TOP,
-					&mlxsw_sp_kvd_size_params,
+					&kvd_size_params,
 					&mlxsw_sp_resource_kvd_ops);
 	if (err)
 		return err;
@@ -4277,7 +4284,7 @@ static int mlxsw_sp_resources_register(struct mlxsw_core *mlxsw_core)
 					false, linear_size,
 					MLXSW_SP_RESOURCE_KVD_LINEAR,
 					MLXSW_SP_RESOURCE_KVD,
-					&mlxsw_sp_linear_size_params,
+					&linear_size_params,
 					&mlxsw_sp_resource_kvd_linear_ops);
 	if (err)
 		return err;
@@ -4291,7 +4298,7 @@ static int mlxsw_sp_resources_register(struct mlxsw_core *mlxsw_core)
 					false, double_size,
 					MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE,
 					MLXSW_SP_RESOURCE_KVD,
-					&mlxsw_sp_hash_double_size_params,
+					&hash_double_size_params,
 					&mlxsw_sp_resource_kvd_hash_double_ops);
 	if (err)
 		return err;
@@ -4301,7 +4308,7 @@ static int mlxsw_sp_resources_register(struct mlxsw_core *mlxsw_core)
 					false, single_size,
 					MLXSW_SP_RESOURCE_KVD_HASH_SINGLE,
 					MLXSW_SP_RESOURCE_KVD,
-					&mlxsw_sp_hash_single_size_params,
+					&hash_single_size_params,
 					&mlxsw_sp_resource_kvd_hash_single_ops);
 	if (err)
 		return err;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
index bdd8f94a452c..4ec1ca3c96c8 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
@@ -211,6 +211,7 @@ struct mlxsw_sp_port_vlan {
 	struct list_head list;
 	struct mlxsw_sp_port *mlxsw_sp_port;
 	struct mlxsw_sp_fid *fid;
+	unsigned int ref_count;
 	u16 vid;
 	struct mlxsw_sp_bridge_port *bridge_port;
 	struct list_head bridge_vlan_node;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c
index bbd238e50f05..54262af4e98f 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c
@@ -112,11 +112,11 @@ static const int mlxsw_sp_sfgc_bc_packet_types[MLXSW_REG_SFGC_TYPE_MAX] = {
 	[MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_NON_IP]	= 1,
 	[MLXSW_REG_SFGC_TYPE_IPV4_LINK_LOCAL]			= 1,
 	[MLXSW_REG_SFGC_TYPE_IPV6_ALL_HOST]			= 1,
+	[MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV6]	= 1,
 };
 
 static const int mlxsw_sp_sfgc_mc_packet_types[MLXSW_REG_SFGC_TYPE_MAX] = {
 	[MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV4]	= 1,
-	[MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV6]	= 1,
 };
 
 static const int *mlxsw_sp_packet_type_sfgc_types[] = {
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 593ad31be749..161bcdc012f0 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -1203,6 +1203,7 @@ static int __mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port,
 				     bool dynamic)
 {
 	char *sfd_pl;
+	u8 num_rec;
 	int err;
 
 	sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
@@ -1212,9 +1213,16 @@ static int __mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port,
 	mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0);
 	mlxsw_reg_sfd_uc_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic),
 			      mac, fid, action, local_port);
+	num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl);
 	err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
-	kfree(sfd_pl);
+	if (err)
+		goto out;
+
+	if (num_rec != mlxsw_reg_sfd_num_rec_get(sfd_pl))
+		err = -EBUSY;
 
+out:
+	kfree(sfd_pl);
 	return err;
 }
 
@@ -1239,6 +1247,7 @@ static int mlxsw_sp_port_fdb_uc_lag_op(struct mlxsw_sp *mlxsw_sp, u16 lag_id,
 				       bool adding, bool dynamic)
 {
 	char *sfd_pl;
+	u8 num_rec;
 	int err;
 
 	sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
@@ -1249,9 +1258,16 @@ static int mlxsw_sp_port_fdb_uc_lag_op(struct mlxsw_sp *mlxsw_sp, u16 lag_id,
 	mlxsw_reg_sfd_uc_lag_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic),
 				  mac, fid, MLXSW_REG_SFD_REC_ACTION_NOP,
 				  lag_vid, lag_id);
+	num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl);
 	err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
-	kfree(sfd_pl);
+	if (err)
+		goto out;
+
+	if (num_rec != mlxsw_reg_sfd_num_rec_get(sfd_pl))
+		err = -EBUSY;
 
+out:
+	kfree(sfd_pl);
 	return err;
 }
 
@@ -1296,6 +1312,7 @@ static int mlxsw_sp_port_mdb_op(struct mlxsw_sp *mlxsw_sp, const char *addr,
 				u16 fid, u16 mid_idx, bool adding)
 {
 	char *sfd_pl;
+	u8 num_rec;
 	int err;
 
 	sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
@@ -1305,7 +1322,15 @@ static int mlxsw_sp_port_mdb_op(struct mlxsw_sp *mlxsw_sp, const char *addr,
 	mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0);
 	mlxsw_reg_sfd_mc_pack(sfd_pl, 0, addr, fid,
 			      MLXSW_REG_SFD_REC_ACTION_NOP, mid_idx);
+	num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl);
 	err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
+	if (err)
+		goto out;
+
+	if (num_rec != mlxsw_reg_sfd_num_rec_get(sfd_pl))
+		err = -EBUSY;
+
+out:
 	kfree(sfd_pl);
 	return err;
 }
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 92dcf8717fc6..14c839bb09e7 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -439,6 +439,17 @@ static void sh_eth_modify(struct net_device *ndev, int enum_index, u32 clear,
 		     enum_index);
 }
 
+static void sh_eth_tsu_write(struct sh_eth_private *mdp, u32 data,
+			     int enum_index)
+{
+	iowrite32(data, mdp->tsu_addr + mdp->reg_offset[enum_index]);
+}
+
+static u32 sh_eth_tsu_read(struct sh_eth_private *mdp, int enum_index)
+{
+	return ioread32(mdp->tsu_addr + mdp->reg_offset[enum_index]);
+}
+
 static bool sh_eth_is_gether(struct sh_eth_private *mdp)
 {
 	return mdp->reg_offset == sh_eth_offset_gigabit;
diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
index a6753ccba711..e5fe70134690 100644
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -567,15 +567,4 @@ static inline void *sh_eth_tsu_get_offset(struct sh_eth_private *mdp,
 	return mdp->tsu_addr + mdp->reg_offset[enum_index];
 }
 
-static inline void sh_eth_tsu_write(struct sh_eth_private *mdp, u32 data,
-				    int enum_index)
-{
-	iowrite32(data, mdp->tsu_addr + mdp->reg_offset[enum_index]);
-}
-
-static inline u32 sh_eth_tsu_read(struct sh_eth_private *mdp, int enum_index)
-{
-	return ioread32(mdp->tsu_addr + mdp->reg_offset[enum_index]);
-}
-
 #endif	/* #ifndef __SH_ETH_H__ */
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 17e529af79dc..0265d703eb03 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -852,13 +852,6 @@ int netvsc_send(struct net_device *ndev,
 	if (unlikely(!net_device || net_device->destroy))
 		return -ENODEV;
 
-	/* We may race with netvsc_connect_vsp()/netvsc_init_buf() and get
-	 * here before the negotiation with the host is finished and
-	 * send_section_map may not be allocated yet.
-	 */
-	if (unlikely(!net_device->send_section_map))
-		return -EAGAIN;
-
 	nvchan = &net_device->chan_table[packet->q_idx];
 	packet->send_buf_index = NETVSC_INVALID_INDEX;
 	packet->cp_partial = false;
@@ -866,10 +859,8 @@ int netvsc_send(struct net_device *ndev,
 	/* Send control message directly without accessing msd (Multi-Send
 	 * Data) field which may be changed during data packet processing.
 	 */
-	if (!skb) {
-		cur_send = packet;
-		goto send_now;
-	}
+	if (!skb)
+		return netvsc_send_pkt(device, packet, net_device, pb, skb);
 
 	/* batch packets in send buffer if possible */
 	msdp = &nvchan->msd;
@@ -953,7 +944,6 @@ int netvsc_send(struct net_device *ndev,
 		}
 	}
 
-send_now:
 	if (cur_send)
 		ret = netvsc_send_pkt(device, cur_send, net_device, pb, skb);
 
@@ -1217,9 +1207,10 @@ int netvsc_poll(struct napi_struct *napi, int budget)
 	if (send_recv_completions(ndev, net_device, nvchan) == 0 &&
 	    work_done < budget &&
 	    napi_complete_done(napi, work_done) &&
-	    hv_end_read(&channel->inbound)) {
+	    hv_end_read(&channel->inbound) &&
+	    napi_schedule_prep(napi)) {
 		hv_begin_read(&channel->inbound);
-		napi_reschedule(napi);
+		__napi_schedule(napi);
 	}
 
 	/* Driver may overshoot since multiple packets per descriptor */
@@ -1242,7 +1233,7 @@ void netvsc_channel_cb(void *context)
 		/* disable interupts from host */
 		hv_begin_read(rbi);
 
-		__napi_schedule(&nvchan->napi);
+		__napi_schedule_irqoff(&nvchan->napi);
 	}
 }
 
@@ -1296,7 +1287,6 @@ struct netvsc_device *netvsc_device_add(struct hv_device *device,
 			 netvsc_channel_cb, net_device->chan_table);
 
 	if (ret != 0) {
-		netif_napi_del(&net_device->chan_table[0].napi);
 		netdev_err(ndev, "unable to open channel: %d\n", ret);
 		goto cleanup;
 	}
@@ -1306,11 +1296,6 @@ struct netvsc_device *netvsc_device_add(struct hv_device *device,
 
 	napi_enable(&net_device->chan_table[0].napi);
 
-	/* Writing nvdev pointer unlocks netvsc_send(), make sure chn_table is
-	 * populated.
-	 */
-	rcu_assign_pointer(net_device_ctx->nvdev, net_device);
-
 	/* Connect with the NetVsp */
 	ret = netvsc_connect_vsp(device, net_device, device_info);
 	if (ret != 0) {
@@ -1319,6 +1304,11 @@ struct netvsc_device *netvsc_device_add(struct hv_device *device,
 		goto close;
 	}
 
+	/* Writing nvdev pointer unlocks netvsc_send(), make sure chn_table is
+	 * populated.
+	 */
+	rcu_assign_pointer(net_device_ctx->nvdev, net_device);
+
 	return net_device;
 
 close:
@@ -1329,6 +1319,7 @@ close:
 	vmbus_close(device->channel);
 
 cleanup:
+	netif_napi_del(&net_device->chan_table[0].napi);
 	free_netvsc_device(&net_device->rcu);
 
 	return ERR_PTR(ret);
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index c5584c2d440e..cdb78eefab67 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -66,10 +66,36 @@ static int debug = -1;
 module_param(debug, int, S_IRUGO);
 MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
 
-static void netvsc_set_multicast_list(struct net_device *net)
+static void netvsc_change_rx_flags(struct net_device *net, int change)
 {
-	struct net_device_context *net_device_ctx = netdev_priv(net);
-	struct netvsc_device *nvdev = rtnl_dereference(net_device_ctx->nvdev);
+	struct net_device_context *ndev_ctx = netdev_priv(net);
+	struct net_device *vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev);
+	int inc;
+
+	if (!vf_netdev)
+		return;
+
+	if (change & IFF_PROMISC) {
+		inc = (net->flags & IFF_PROMISC) ? 1 : -1;
+		dev_set_promiscuity(vf_netdev, inc);
+	}
+
+	if (change & IFF_ALLMULTI) {
+		inc = (net->flags & IFF_ALLMULTI) ? 1 : -1;
+		dev_set_allmulti(vf_netdev, inc);
+	}
+}
+
+static void netvsc_set_rx_mode(struct net_device *net)
+{
+	struct net_device_context *ndev_ctx = netdev_priv(net);
+	struct net_device *vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev);
+	struct netvsc_device *nvdev = rtnl_dereference(ndev_ctx->nvdev);
+
+	if (vf_netdev) {
+		dev_uc_sync(vf_netdev, net);
+		dev_mc_sync(vf_netdev, net);
+	}
 
 	rndis_filter_update(nvdev);
 }
@@ -91,12 +117,11 @@ static int netvsc_open(struct net_device *net)
 		return ret;
 	}
 
-	netif_tx_wake_all_queues(net);
-
 	rdev = nvdev->extension;
-
-	if (!rdev->link_state)
+	if (!rdev->link_state) {
 		netif_carrier_on(net);
+		netif_tx_wake_all_queues(net);
+	}
 
 	if (vf_netdev) {
 		/* Setting synthetic device up transparently sets
@@ -299,8 +324,19 @@ static u16 netvsc_select_queue(struct net_device *ndev, struct sk_buff *skb,
 	rcu_read_lock();
 	vf_netdev = rcu_dereference(ndc->vf_netdev);
 	if (vf_netdev) {
-		txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : 0;
-		qdisc_skb_cb(skb)->slave_dev_queue_mapping = skb->queue_mapping;
+		const struct net_device_ops *vf_ops = vf_netdev->netdev_ops;
+
+		if (vf_ops->ndo_select_queue)
+			txq = vf_ops->ndo_select_queue(vf_netdev, skb,
+						       accel_priv, fallback);
+		else
+			txq = fallback(vf_netdev, skb);
+
+		/* Record the queue selected by VF so that it can be
+		 * used for common case where VF has more queues than
+		 * the synthetic device.
+		 */
+		qdisc_skb_cb(skb)->slave_dev_queue_mapping = txq;
 	} else {
 		txq = netvsc_pick_tx(ndev, skb);
 	}
@@ -1576,7 +1612,8 @@ static const struct net_device_ops device_ops = {
 	.ndo_open =			netvsc_open,
 	.ndo_stop =			netvsc_close,
 	.ndo_start_xmit =		netvsc_start_xmit,
-	.ndo_set_rx_mode =		netvsc_set_multicast_list,
+	.ndo_change_rx_flags =		netvsc_change_rx_flags,
+	.ndo_set_rx_mode =		netvsc_set_rx_mode,
 	.ndo_change_mtu =		netvsc_change_mtu,
 	.ndo_validate_addr =		eth_validate_addr,
 	.ndo_set_mac_address =		netvsc_set_mac_addr,
@@ -1807,6 +1844,11 @@ static void __netvsc_vf_setup(struct net_device *ndev,
 		netdev_warn(vf_netdev,
 			    "unable to change mtu to %u\n", ndev->mtu);
 
+	/* set multicast etc flags on VF */
+	dev_change_flags(vf_netdev, ndev->flags | IFF_SLAVE);
+	dev_uc_sync(vf_netdev, ndev);
+	dev_mc_sync(vf_netdev, ndev);
+
 	if (netif_running(ndev)) {
 		ret = dev_open(vf_netdev);
 		if (ret)
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index c3ca191fea7f..8927c483c217 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -854,15 +854,19 @@ static void rndis_set_multicast(struct work_struct *w)
 {
 	struct rndis_device *rdev
 		= container_of(w, struct rndis_device, mcast_work);
+	u32 filter = NDIS_PACKET_TYPE_DIRECTED;
+	unsigned int flags = rdev->ndev->flags;
 
-	if (rdev->ndev->flags & IFF_PROMISC)
-		rndis_filter_set_packet_filter(rdev,
-					       NDIS_PACKET_TYPE_PROMISCUOUS);
-	else
-		rndis_filter_set_packet_filter(rdev,
-					       NDIS_PACKET_TYPE_BROADCAST |
-					       NDIS_PACKET_TYPE_ALL_MULTICAST |
-					       NDIS_PACKET_TYPE_DIRECTED);
+	if (flags & IFF_PROMISC) {
+		filter = NDIS_PACKET_TYPE_PROMISCUOUS;
+	} else {
+		if (flags & IFF_ALLMULTI)
+			flags |= NDIS_PACKET_TYPE_ALL_MULTICAST;
+		if (flags & IFF_BROADCAST)
+			flags |= NDIS_PACKET_TYPE_BROADCAST;
+	}
+
+	rndis_filter_set_packet_filter(rdev, filter);
 }
 
 void rndis_filter_update(struct netvsc_device *nvdev)
@@ -1340,6 +1344,9 @@ void rndis_filter_device_remove(struct hv_device *dev,
 {
 	struct rndis_device *rndis_dev = net_dev->extension;
 
+	/* Don't try and setup sub channels if about to halt */
+	cancel_work_sync(&net_dev->subchan_work);
+
 	/* Halt and release the rndis device */
 	rndis_filter_halt_device(rndis_dev);
 
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index e3e29c2b028b..a6f924fee584 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -819,7 +819,7 @@ void phy_start(struct phy_device *phydev)
 		break;
 	case PHY_HALTED:
 		/* if phy was suspended, bring the physical link up again */
-		phy_resume(phydev);
+		__phy_resume(phydev);
 
 		/* make sure interrupts are re-enabled for the PHY */
 		if (phy_interrupt_is_valid(phydev)) {
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index d39ae77707ef..478405e544cc 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -135,9 +135,7 @@ static int mdio_bus_phy_resume(struct device *dev)
 	if (!mdio_bus_phy_may_suspend(phydev))
 		goto no_resume;
 
-	mutex_lock(&phydev->lock);
 	ret = phy_resume(phydev);
-	mutex_unlock(&phydev->lock);
 	if (ret < 0)
 		return ret;
 
@@ -1041,9 +1039,7 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
 	if (err)
 		goto error;
 
-	mutex_lock(&phydev->lock);
 	phy_resume(phydev);
-	mutex_unlock(&phydev->lock);
 	phy_led_triggers_register(phydev);
 
 	return err;
@@ -1172,7 +1168,7 @@ int phy_suspend(struct phy_device *phydev)
 }
 EXPORT_SYMBOL(phy_suspend);
 
-int phy_resume(struct phy_device *phydev)
+int __phy_resume(struct phy_device *phydev)
 {
 	struct phy_driver *phydrv = to_phy_driver(phydev->mdio.dev.driver);
 	int ret = 0;
@@ -1189,6 +1185,18 @@ int phy_resume(struct phy_device *phydev)
 
 	return ret;
 }
+EXPORT_SYMBOL(__phy_resume);
+
+int phy_resume(struct phy_device *phydev)
+{
+	int ret;
+
+	mutex_lock(&phydev->lock);
+	ret = __phy_resume(phydev);
+	mutex_unlock(&phydev->lock);
+
+	return ret;
+}
 EXPORT_SYMBOL(phy_resume);
 
 int phy_loopback(struct phy_device *phydev, bool enable)
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 255a5def56e9..fa2a9bdd1866 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -3161,6 +3161,15 @@ ppp_connect_channel(struct channel *pch, int unit)
 		goto outl;
 
 	ppp_lock(ppp);
+	spin_lock_bh(&pch->downl);
+	if (!pch->chan) {
+		/* Don't connect unregistered channels */
+		spin_unlock_bh(&pch->downl);
+		ppp_unlock(ppp);
+		ret = -ENOTCONN;
+		goto outl;
+	}
+	spin_unlock_bh(&pch->downl);
 	if (pch->file.hdrlen > ppp->file.hdrlen)
 		ppp->file.hdrlen = pch->file.hdrlen;
 	hdrlen = pch->file.hdrlen + 2;	/* for protocol bytes */
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index b52258c327d2..7433bb2e4451 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -181,7 +181,6 @@ struct tun_file {
 	struct tun_struct *detached;
 	struct ptr_ring tx_ring;
 	struct xdp_rxq_info xdp_rxq;
-	int xdp_pending_pkts;
 };
 
 struct tun_flow_entry {
@@ -1643,6 +1642,7 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun,
 	else
 		*skb_xdp = 0;
 
+	preempt_disable();
 	rcu_read_lock();
 	xdp_prog = rcu_dereference(tun->xdp_prog);
 	if (xdp_prog && !*skb_xdp) {
@@ -1662,11 +1662,12 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun,
 		case XDP_REDIRECT:
 			get_page(alloc_frag->page);
 			alloc_frag->offset += buflen;
-			++tfile->xdp_pending_pkts;
 			err = xdp_do_redirect(tun->dev, &xdp, xdp_prog);
+			xdp_do_flush_map();
 			if (err)
 				goto err_redirect;
 			rcu_read_unlock();
+			preempt_enable();
 			return NULL;
 		case XDP_TX:
 			xdp_xmit = true;
@@ -1688,6 +1689,7 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun,
 	skb = build_skb(buf, buflen);
 	if (!skb) {
 		rcu_read_unlock();
+		preempt_enable();
 		return ERR_PTR(-ENOMEM);
 	}
 
@@ -1700,10 +1702,12 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun,
 		skb->dev = tun->dev;
 		generic_xdp_tx(skb, xdp_prog);
 		rcu_read_unlock();
+		preempt_enable();
 		return NULL;
 	}
 
 	rcu_read_unlock();
+	preempt_enable();
 
 	return skb;
 
@@ -1711,6 +1715,7 @@ err_redirect:
 	put_page(alloc_frag->page);
 err_xdp:
 	rcu_read_unlock();
+	preempt_enable();
 	this_cpu_inc(tun->pcpu_stats->rx_dropped);
 	return NULL;
 }
@@ -1984,11 +1989,6 @@ static ssize_t tun_chr_write_iter(struct kiocb *iocb, struct iov_iter *from)
 	result = tun_get_user(tun, tfile, NULL, from,
 			      file->f_flags & O_NONBLOCK, false);
 
-	if (tfile->xdp_pending_pkts) {
-		tfile->xdp_pending_pkts = 0;
-		xdp_do_flush_map();
-	}
-
 	tun_put(tun);
 	return result;
 }
@@ -2325,13 +2325,6 @@ static int tun_sendmsg(struct socket *sock, struct msghdr *m, size_t total_len)
 	ret = tun_get_user(tun, tfile, m->msg_control, &m->msg_iter,
 			   m->msg_flags & MSG_DONTWAIT,
 			   m->msg_flags & MSG_MORE);
-
-	if (tfile->xdp_pending_pkts >= NAPI_POLL_WEIGHT ||
-	    !(m->msg_flags & MSG_MORE)) {
-		tfile->xdp_pending_pkts = 0;
-		xdp_do_flush_map();
-	}
-
 	tun_put(tun);
 	return ret;
 }
@@ -3163,7 +3156,6 @@ static int tun_chr_open(struct inode *inode, struct file * file)
 	sock_set_flag(&tfile->sk, SOCK_ZEROCOPY);
 
 	memset(&tfile->tx_ring, 0, sizeof(tfile->tx_ring));
-	tfile->xdp_pending_pkts = 0;
 
 	return 0;
 }
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 05dca3e5c93d..fff4b13eece2 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -896,6 +896,12 @@ static const struct usb_device_id	products[] = {
 				      USB_CDC_PROTO_NONE),
 	.driver_info = (unsigned long)&wwan_info,
 }, {
+	/* Cinterion PLS8 modem by GEMALTO */
+	USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x0061, USB_CLASS_COMM,
+				      USB_CDC_SUBCLASS_ETHERNET,
+				      USB_CDC_PROTO_NONE),
+	.driver_info = (unsigned long)&wwan_info,
+}, {
 	USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET,
 			USB_CDC_PROTO_NONE),
 	.driver_info = (unsigned long) &cdc_info,
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 958b2e8b90f6..86f7196f9d91 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -1794,7 +1794,7 @@ static int r8152_tx_agg_fill(struct r8152 *tp, struct tx_agg *agg)
 
 		tx_data += len;
 		agg->skb_len += len;
-		agg->skb_num++;
+		agg->skb_num += skb_shinfo(skb)->gso_segs ?: 1;
 
 		dev_kfree_skb_any(skb);
 
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 9bb9e562b893..23374603e4d9 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -504,6 +504,7 @@ static struct page *xdp_linearize_page(struct receive_queue *rq,
 	page_off += *len;
 
 	while (--*num_buf) {
+		int tailroom = SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
 		unsigned int buflen;
 		void *buf;
 		int off;
@@ -518,7 +519,7 @@ static struct page *xdp_linearize_page(struct receive_queue *rq,
 		/* guard against a misconfigured or uncooperative backend that
 		 * is sending packet larger than the MTU.
 		 */
-		if ((page_off + buflen) > PAGE_SIZE) {
+		if ((page_off + buflen + tailroom) > PAGE_SIZE) {
 			put_page(p);
 			goto err_buf;
 		}
@@ -690,6 +691,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
 	unsigned int truesize;
 	unsigned int headroom = mergeable_ctx_to_headroom(ctx);
 	bool sent;
+	int err;
 
 	head_skb = NULL;
 
@@ -701,7 +703,12 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
 		void *data;
 		u32 act;
 
-		/* This happens when rx buffer size is underestimated */
+		/* This happens when rx buffer size is underestimated
+		 * or headroom is not enough because of the buffer
+		 * was refilled before XDP is set. This should only
+		 * happen for the first several packets, so we don't
+		 * care much about its performance.
+		 */
 		if (unlikely(num_buf > 1 ||
 			     headroom < virtnet_get_headroom(vi))) {
 			/* linearize data for XDP */
@@ -736,9 +743,6 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
 
 		act = bpf_prog_run_xdp(xdp_prog, &xdp);
 
-		if (act != XDP_PASS)
-			ewma_pkt_len_add(&rq->mrg_avg_pkt_len, len);
-
 		switch (act) {
 		case XDP_PASS:
 			/* recalculate offset to account for any header
@@ -770,6 +774,18 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
 				goto err_xdp;
 			rcu_read_unlock();
 			goto xdp_xmit;
+		case XDP_REDIRECT:
+			err = xdp_do_redirect(dev, &xdp, xdp_prog);
+			if (err) {
+				if (unlikely(xdp_page != page))
+					put_page(xdp_page);
+				goto err_xdp;
+			}
+			*xdp_xmit = true;
+			if (unlikely(xdp_page != page))
+				goto err_xdp;
+			rcu_read_unlock();
+			goto xdp_xmit;
 		default:
 			bpf_warn_invalid_xdp_action(act);
 		case XDP_ABORTED:
@@ -1013,13 +1029,18 @@ static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq,
 }
 
 static unsigned int get_mergeable_buf_len(struct receive_queue *rq,
-					  struct ewma_pkt_len *avg_pkt_len)
+					  struct ewma_pkt_len *avg_pkt_len,
+					  unsigned int room)
 {
 	const size_t hdr_len = sizeof(struct virtio_net_hdr_mrg_rxbuf);
 	unsigned int len;
 
-	len = hdr_len + clamp_t(unsigned int, ewma_pkt_len_read(avg_pkt_len),
+	if (room)
+		return PAGE_SIZE - room;
+
+	len = hdr_len +	clamp_t(unsigned int, ewma_pkt_len_read(avg_pkt_len),
 				rq->min_buf_len, PAGE_SIZE - hdr_len);
+
 	return ALIGN(len, L1_CACHE_BYTES);
 }
 
@@ -1028,21 +1049,27 @@ static int add_recvbuf_mergeable(struct virtnet_info *vi,
 {
 	struct page_frag *alloc_frag = &rq->alloc_frag;
 	unsigned int headroom = virtnet_get_headroom(vi);
+	unsigned int tailroom = headroom ? sizeof(struct skb_shared_info) : 0;
+	unsigned int room = SKB_DATA_ALIGN(headroom + tailroom);
 	char *buf;
 	void *ctx;
 	int err;
 	unsigned int len, hole;
 
-	len = get_mergeable_buf_len(rq, &rq->mrg_avg_pkt_len);
-	if (unlikely(!skb_page_frag_refill(len + headroom, alloc_frag, gfp)))
+	/* Extra tailroom is needed to satisfy XDP's assumption. This
+	 * means rx frags coalescing won't work, but consider we've
+	 * disabled GSO for XDP, it won't be a big issue.
+	 */
+	len = get_mergeable_buf_len(rq, &rq->mrg_avg_pkt_len, room);
+	if (unlikely(!skb_page_frag_refill(len + room, alloc_frag, gfp)))
 		return -ENOMEM;
 
 	buf = (char *)page_address(alloc_frag->page) + alloc_frag->offset;
 	buf += headroom; /* advance address leaving hole at front of pkt */
 	get_page(alloc_frag->page);
-	alloc_frag->offset += len + headroom;
+	alloc_frag->offset += len + room;
 	hole = alloc_frag->size - alloc_frag->offset;
-	if (hole < len + headroom) {
+	if (hole < len + room) {
 		/* To avoid internal fragmentation, if there is very likely not
 		 * enough space for another buffer, add the remaining space to
 		 * the current buffer.
@@ -2185,8 +2212,9 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog,
 	}
 
 	/* Make sure NAPI is not using any XDP TX queues for RX. */
-	for (i = 0; i < vi->max_queue_pairs; i++)
-		napi_disable(&vi->rq[i].napi);
+	if (netif_running(dev))
+		for (i = 0; i < vi->max_queue_pairs; i++)
+			napi_disable(&vi->rq[i].napi);
 
 	netif_set_real_num_rx_queues(dev, curr_qp + xdp_qp);
 	err = _virtnet_set_queues(vi, curr_qp + xdp_qp);
@@ -2205,7 +2233,8 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog,
 		}
 		if (old_prog)
 			bpf_prog_put(old_prog);
-		virtnet_napi_enable(vi->rq[i].vq, &vi->rq[i].napi);
+		if (netif_running(dev))
+			virtnet_napi_enable(vi->rq[i].vq, &vi->rq[i].napi);
 	}
 
 	return 0;
@@ -2576,12 +2605,15 @@ static ssize_t mergeable_rx_buffer_size_show(struct netdev_rx_queue *queue,
 {
 	struct virtnet_info *vi = netdev_priv(queue->dev);
 	unsigned int queue_index = get_netdev_rx_queue_index(queue);
+	unsigned int headroom = virtnet_get_headroom(vi);
+	unsigned int tailroom = headroom ? sizeof(struct skb_shared_info) : 0;
 	struct ewma_pkt_len *avg;
 
 	BUG_ON(queue_index >= vi->max_queue_pairs);
 	avg = &vi->rq[queue_index].mrg_avg_pkt_len;
 	return sprintf(buf, "%u\n",
-		       get_mergeable_buf_len(&vi->rq[queue_index], avg));
+		       get_mergeable_buf_len(&vi->rq[queue_index], avg,
+				       SKB_DATA_ALIGN(headroom + tailroom)));
 }
 
 static struct rx_queue_attribute mergeable_rx_buffer_size_attribute =
diff --git a/drivers/net/wan/hdlc_ppp.c b/drivers/net/wan/hdlc_ppp.c
index afeca6bcdade..ab8b3cbbb205 100644
--- a/drivers/net/wan/hdlc_ppp.c
+++ b/drivers/net/wan/hdlc_ppp.c
@@ -574,7 +574,10 @@ static void ppp_timer(struct timer_list *t)
 			ppp_cp_event(proto->dev, proto->pid, TO_GOOD, 0, 0,
 				     0, NULL);
 			proto->restart_counter--;
-		} else
+		} else if (netif_carrier_ok(proto->dev))
+			ppp_cp_event(proto->dev, proto->pid, TO_GOOD, 0, 0,
+				     0, NULL);
+		else
 			ppp_cp_event(proto->dev, proto->pid, TO_BAD, 0, 0,
 				     0, NULL);
 		break;
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 8328d395e332..3127bc8633ca 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -2005,7 +2005,10 @@ static void netback_changed(struct xenbus_device *dev,
 	case XenbusStateInitialised:
 	case XenbusStateReconfiguring:
 	case XenbusStateReconfigured:
+		break;
+
 	case XenbusStateUnknown:
+		wake_up_all(&module_unload_q);
 		break;
 
 	case XenbusStateInitWait:
@@ -2136,7 +2139,9 @@ static int xennet_remove(struct xenbus_device *dev)
 		xenbus_switch_state(dev, XenbusStateClosing);
 		wait_event(module_unload_q,
 			   xenbus_read_driver_state(dev->otherend) ==
-			   XenbusStateClosing);
+			   XenbusStateClosing ||
+			   xenbus_read_driver_state(dev->otherend) ==
+			   XenbusStateUnknown);
 
 		xenbus_switch_state(dev, XenbusStateClosed);
 		wait_event(module_unload_q,
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 10041ac4032c..06f8dcc52ca6 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -335,8 +335,7 @@ static int pmem_attach_disk(struct device *dev,
 		dev_warn(dev, "unable to guarantee persistence of writes\n");
 		fua = 0;
 	}
-	wbc = nvdimm_has_cache(nd_region) &&
-		!test_bit(ND_REGION_PERSIST_CACHE, &nd_region->flags);
+	wbc = nvdimm_has_cache(nd_region);
 
 	if (!devm_request_mem_region(dev, res->start, resource_size(res),
 				dev_name(&ndns->dev))) {
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 0fe7ea35c221..7aeca5db7916 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2844,7 +2844,7 @@ out:
 }
 
 static int nvme_init_ns_head(struct nvme_ns *ns, unsigned nsid,
-		struct nvme_id_ns *id, bool *new)
+		struct nvme_id_ns *id)
 {
 	struct nvme_ctrl *ctrl = ns->ctrl;
 	bool is_shared = id->nmic & (1 << 0);
@@ -2860,8 +2860,6 @@ static int nvme_init_ns_head(struct nvme_ns *ns, unsigned nsid,
 			ret = PTR_ERR(head);
 			goto out_unlock;
 		}
-
-		*new = true;
 	} else {
 		struct nvme_ns_ids ids;
 
@@ -2873,8 +2871,6 @@ static int nvme_init_ns_head(struct nvme_ns *ns, unsigned nsid,
 			ret = -EINVAL;
 			goto out_unlock;
 		}
-
-		*new = false;
 	}
 
 	list_add_tail(&ns->siblings, &head->list);
@@ -2945,7 +2941,6 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
 	struct nvme_id_ns *id;
 	char disk_name[DISK_NAME_LEN];
 	int node = dev_to_node(ctrl->dev), flags = GENHD_FL_EXT_DEVT;
-	bool new = true;
 
 	ns = kzalloc_node(sizeof(*ns), GFP_KERNEL, node);
 	if (!ns)
@@ -2971,7 +2966,7 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
 	if (id->ncap == 0)
 		goto out_free_id;
 
-	if (nvme_init_ns_head(ns, nsid, id, &new))
+	if (nvme_init_ns_head(ns, nsid, id))
 		goto out_free_id;
 	nvme_setup_streams_ns(ctrl, ns);
 	
@@ -3037,9 +3032,7 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
 		pr_warn("%s: failed to register lightnvm sysfs group for identification\n",
 			ns->disk->disk_name);
 
-	if (new)
-		nvme_mpath_add_disk(ns->head);
-	nvme_mpath_add_disk_links(ns);
+	nvme_mpath_add_disk(ns->head);
 	return;
  out_unlink_ns:
 	mutex_lock(&ctrl->subsys->lock);
@@ -3059,7 +3052,6 @@ static void nvme_ns_remove(struct nvme_ns *ns)
 		return;
 
 	if (ns->disk && ns->disk->flags & GENHD_FL_UP) {
-		nvme_mpath_remove_disk_links(ns);
 		sysfs_remove_group(&disk_to_dev(ns->disk)->kobj,
 					&nvme_ns_id_attr_group);
 		if (ns->ndev)
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index 5dd4ceefed8f..8f0f34d06d46 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -493,7 +493,7 @@ EXPORT_SYMBOL_GPL(nvmf_should_reconnect);
  */
 int nvmf_register_transport(struct nvmf_transport_ops *ops)
 {
-	if (!ops->create_ctrl || !ops->module)
+	if (!ops->create_ctrl)
 		return -EINVAL;
 
 	down_write(&nvmf_transports_rwsem);
@@ -650,6 +650,11 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts,
 				ret = -EINVAL;
 				goto out;
 			}
+			if (opts->discovery_nqn) {
+				pr_debug("Ignoring nr_io_queues value for discovery controller\n");
+				break;
+			}
+
 			opts->nr_io_queues = min_t(unsigned int,
 					num_online_cpus(), token);
 			break;
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 7f51f8414b97..1dc1387b7134 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -1206,7 +1206,7 @@ nvme_fc_connect_admin_queue(struct nvme_fc_ctrl *ctrl,
 				sizeof(struct fcnvme_lsdesc_cr_assoc_cmd));
 
 	assoc_rqst->assoc_cmd.ersp_ratio = cpu_to_be16(ersp_ratio);
-	assoc_rqst->assoc_cmd.sqsize = cpu_to_be16(qsize);
+	assoc_rqst->assoc_cmd.sqsize = cpu_to_be16(qsize - 1);
 	/* Linux supports only Dynamic controllers */
 	assoc_rqst->assoc_cmd.cntlid = cpu_to_be16(0xffff);
 	uuid_copy(&assoc_rqst->assoc_cmd.hostid, &ctrl->ctrl.opts->host->id);
@@ -1321,7 +1321,7 @@ nvme_fc_connect_queue(struct nvme_fc_ctrl *ctrl, struct nvme_fc_queue *queue,
 				sizeof(struct fcnvme_lsdesc_cr_conn_cmd));
 	conn_rqst->connect_cmd.ersp_ratio = cpu_to_be16(ersp_ratio);
 	conn_rqst->connect_cmd.qid  = cpu_to_be16(queue->qnum);
-	conn_rqst->connect_cmd.sqsize = cpu_to_be16(qsize);
+	conn_rqst->connect_cmd.sqsize = cpu_to_be16(qsize - 1);
 
 	lsop->queue = queue;
 	lsreq->rqstaddr = conn_rqst;
@@ -2481,11 +2481,11 @@ nvme_fc_create_io_queues(struct nvme_fc_ctrl *ctrl)
 		goto out_free_tag_set;
 	}
 
-	ret = nvme_fc_create_hw_io_queues(ctrl, ctrl->ctrl.opts->queue_size);
+	ret = nvme_fc_create_hw_io_queues(ctrl, ctrl->ctrl.sqsize + 1);
 	if (ret)
 		goto out_cleanup_blk_queue;
 
-	ret = nvme_fc_connect_io_queues(ctrl, ctrl->ctrl.opts->queue_size);
+	ret = nvme_fc_connect_io_queues(ctrl, ctrl->ctrl.sqsize + 1);
 	if (ret)
 		goto out_delete_hw_queues;
 
@@ -2532,11 +2532,11 @@ nvme_fc_reinit_io_queues(struct nvme_fc_ctrl *ctrl)
 	if (ret)
 		goto out_free_io_queues;
 
-	ret = nvme_fc_create_hw_io_queues(ctrl, ctrl->ctrl.opts->queue_size);
+	ret = nvme_fc_create_hw_io_queues(ctrl, ctrl->ctrl.sqsize + 1);
 	if (ret)
 		goto out_free_io_queues;
 
-	ret = nvme_fc_connect_io_queues(ctrl, ctrl->ctrl.opts->queue_size);
+	ret = nvme_fc_connect_io_queues(ctrl, ctrl->ctrl.sqsize + 1);
 	if (ret)
 		goto out_delete_hw_queues;
 
@@ -2632,13 +2632,12 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
 	nvme_fc_init_queue(ctrl, 0);
 
 	ret = __nvme_fc_create_hw_queue(ctrl, &ctrl->queues[0], 0,
-				NVME_AQ_BLK_MQ_DEPTH);
+				NVME_AQ_DEPTH);
 	if (ret)
 		goto out_free_queue;
 
 	ret = nvme_fc_connect_admin_queue(ctrl, &ctrl->queues[0],
-				NVME_AQ_BLK_MQ_DEPTH,
-				(NVME_AQ_BLK_MQ_DEPTH / 4));
+				NVME_AQ_DEPTH, (NVME_AQ_DEPTH / 4));
 	if (ret)
 		goto out_delete_hw_queue;
 
@@ -2666,7 +2665,7 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
 	}
 
 	ctrl->ctrl.sqsize =
-		min_t(int, NVME_CAP_MQES(ctrl->ctrl.cap) + 1, ctrl->ctrl.sqsize);
+		min_t(int, NVME_CAP_MQES(ctrl->ctrl.cap), ctrl->ctrl.sqsize);
 
 	ret = nvme_enable_ctrl(&ctrl->ctrl, ctrl->ctrl.cap);
 	if (ret)
@@ -2699,6 +2698,14 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
 		opts->queue_size = ctrl->ctrl.maxcmd;
 	}
 
+	if (opts->queue_size > ctrl->ctrl.sqsize + 1) {
+		/* warn if sqsize is lower than queue_size */
+		dev_warn(ctrl->ctrl.device,
+			"queue_size %zu > ctrl sqsize %u, clamping down\n",
+			opts->queue_size, ctrl->ctrl.sqsize + 1);
+		opts->queue_size = ctrl->ctrl.sqsize + 1;
+	}
+
 	ret = nvme_fc_init_aen_ops(ctrl);
 	if (ret)
 		goto out_term_aen_ops;
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 3b211d9e58b8..060f69e03427 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -198,30 +198,16 @@ void nvme_mpath_add_disk(struct nvme_ns_head *head)
 {
 	if (!head->disk)
 		return;
-	device_add_disk(&head->subsys->dev, head->disk);
-	if (sysfs_create_group(&disk_to_dev(head->disk)->kobj,
-			&nvme_ns_id_attr_group))
-		pr_warn("%s: failed to create sysfs group for identification\n",
-			head->disk->disk_name);
-}
-
-void nvme_mpath_add_disk_links(struct nvme_ns *ns)
-{
-	struct kobject *slave_disk_kobj, *holder_disk_kobj;
-
-	if (!ns->head->disk)
-		return;
-
-	slave_disk_kobj = &disk_to_dev(ns->disk)->kobj;
-	if (sysfs_create_link(ns->head->disk->slave_dir, slave_disk_kobj,
-			kobject_name(slave_disk_kobj)))
-		return;
 
-	holder_disk_kobj = &disk_to_dev(ns->head->disk)->kobj;
-	if (sysfs_create_link(ns->disk->part0.holder_dir, holder_disk_kobj,
-			kobject_name(holder_disk_kobj)))
-		sysfs_remove_link(ns->head->disk->slave_dir,
-			kobject_name(slave_disk_kobj));
+	mutex_lock(&head->subsys->lock);
+	if (!(head->disk->flags & GENHD_FL_UP)) {
+		device_add_disk(&head->subsys->dev, head->disk);
+		if (sysfs_create_group(&disk_to_dev(head->disk)->kobj,
+				&nvme_ns_id_attr_group))
+			pr_warn("%s: failed to create sysfs group for identification\n",
+				head->disk->disk_name);
+	}
+	mutex_unlock(&head->subsys->lock);
 }
 
 void nvme_mpath_remove_disk(struct nvme_ns_head *head)
@@ -238,14 +224,3 @@ void nvme_mpath_remove_disk(struct nvme_ns_head *head)
 	blk_cleanup_queue(head->disk->queue);
 	put_disk(head->disk);
 }
-
-void nvme_mpath_remove_disk_links(struct nvme_ns *ns)
-{
-	if (!ns->head->disk)
-		return;
-
-	sysfs_remove_link(ns->disk->part0.holder_dir,
-			kobject_name(&disk_to_dev(ns->head->disk)->kobj));
-	sysfs_remove_link(ns->head->disk->slave_dir,
-			kobject_name(&disk_to_dev(ns->disk)->kobj));
-}
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 0521e4707d1c..d733b14ede9d 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -410,9 +410,7 @@ bool nvme_req_needs_failover(struct request *req, blk_status_t error);
 void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl);
 int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl,struct nvme_ns_head *head);
 void nvme_mpath_add_disk(struct nvme_ns_head *head);
-void nvme_mpath_add_disk_links(struct nvme_ns *ns);
 void nvme_mpath_remove_disk(struct nvme_ns_head *head);
-void nvme_mpath_remove_disk_links(struct nvme_ns *ns);
 
 static inline void nvme_mpath_clear_current_path(struct nvme_ns *ns)
 {
@@ -454,12 +452,6 @@ static inline void nvme_mpath_add_disk(struct nvme_ns_head *head)
 static inline void nvme_mpath_remove_disk(struct nvme_ns_head *head)
 {
 }
-static inline void nvme_mpath_add_disk_links(struct nvme_ns *ns)
-{
-}
-static inline void nvme_mpath_remove_disk_links(struct nvme_ns *ns)
-{
-}
 static inline void nvme_mpath_clear_current_path(struct nvme_ns *ns)
 {
 }
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 73036d2fbbd5..b6f43b738f03 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1153,12 +1153,6 @@ static bool nvme_should_reset(struct nvme_dev *dev, u32 csts)
 	if (!(csts & NVME_CSTS_CFS) && !nssro)
 		return false;
 
-	/* If PCI error recovery process is happening, we cannot reset or
-	 * the recovery mechanism will surely fail.
-	 */
-	if (pci_channel_offline(to_pci_dev(dev->dev)))
-		return false;
-
 	return true;
 }
 
@@ -1189,6 +1183,13 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved)
 	struct nvme_command cmd;
 	u32 csts = readl(dev->bar + NVME_REG_CSTS);
 
+	/* If PCI error recovery process is happening, we cannot reset or
+	 * the recovery mechanism will surely fail.
+	 */
+	mb();
+	if (pci_channel_offline(to_pci_dev(dev->dev)))
+		return BLK_EH_RESET_TIMER;
+
 	/*
 	 * Reset immediately if the controller is failed
 	 */
@@ -1459,7 +1460,7 @@ static int nvme_create_queue(struct nvme_queue *nvmeq, int qid)
 	nvmeq->cq_vector = qid - 1;
 	result = adapter_alloc_cq(dev, qid, nvmeq);
 	if (result < 0)
-		return result;
+		goto release_vector;
 
 	result = adapter_alloc_sq(dev, qid, nvmeq);
 	if (result < 0)
@@ -1473,9 +1474,12 @@ static int nvme_create_queue(struct nvme_queue *nvmeq, int qid)
 	return result;
 
  release_sq:
+	dev->online_queues--;
 	adapter_delete_sq(dev, qid);
  release_cq:
 	adapter_delete_cq(dev, qid);
+ release_vector:
+	nvmeq->cq_vector = -1;
 	return result;
 }
 
@@ -1910,7 +1914,7 @@ static int nvme_setup_io_queues(struct nvme_dev *dev)
 	int result, nr_io_queues;
 	unsigned long size;
 
-	nr_io_queues = num_present_cpus();
+	nr_io_queues = num_possible_cpus();
 	result = nvme_set_queue_count(&dev->ctrl, &nr_io_queues);
 	if (result < 0)
 		return result;
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 3a51ed50eff2..4d84a73ee12d 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -1051,7 +1051,7 @@ static void nvme_rdma_unmap_data(struct nvme_rdma_queue *queue,
 	struct nvme_rdma_device *dev = queue->device;
 	struct ib_device *ibdev = dev->dev;
 
-	if (!blk_rq_bytes(rq))
+	if (!blk_rq_payload_bytes(rq))
 		return;
 
 	if (req->mr) {
@@ -1166,7 +1166,7 @@ static int nvme_rdma_map_data(struct nvme_rdma_queue *queue,
 
 	c->common.flags |= NVME_CMD_SGL_METABUF;
 
-	if (!blk_rq_bytes(rq))
+	if (!blk_rq_payload_bytes(rq))
 		return nvme_rdma_set_sg_null(c);
 
 	req->sg_table.sgl = req->first_sgl;
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index 0bd737117a80..a78029e4e5f4 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -520,9 +520,12 @@ bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq,
 		goto fail;
 	}
 
-	/* either variant of SGLs is fine, as we don't support metadata */
-	if (unlikely((flags & NVME_CMD_SGL_ALL) != NVME_CMD_SGL_METABUF &&
-		     (flags & NVME_CMD_SGL_ALL) != NVME_CMD_SGL_METASEG)) {
+	/*
+	 * For fabrics, PSDT field shall describe metadata pointer (MPTR) that
+	 * contains an address of a single contiguous physical buffer that is
+	 * byte aligned.
+	 */
+	if (unlikely((flags & NVME_CMD_SGL_ALL) != NVME_CMD_SGL_METABUF)) {
 		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
 		goto fail;
 	}
diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
index 7991ec3a17db..861d1509b22b 100644
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c
@@ -184,7 +184,7 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx,
 		return BLK_STS_OK;
 	}
 
-	if (blk_rq_bytes(req)) {
+	if (blk_rq_payload_bytes(req)) {
 		iod->sg_table.sgl = iod->first_sgl;
 		if (sg_alloc_table_chained(&iod->sg_table,
 				blk_rq_nr_phys_segments(req),
@@ -193,7 +193,7 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx,
 
 		iod->req.sg = iod->sg_table.sgl;
 		iod->req.sg_cnt = blk_rq_map_sg(req->q, req, iod->sg_table.sgl);
-		iod->req.transfer_len = blk_rq_bytes(req);
+		iod->req.transfer_len = blk_rq_payload_bytes(req);
 	}
 
 	blk_mq_start_request(req);
diff --git a/drivers/pci/dwc/pcie-designware-host.c b/drivers/pci/dwc/pcie-designware-host.c
index 8de2d5c69b1d..dc9303abda42 100644
--- a/drivers/pci/dwc/pcie-designware-host.c
+++ b/drivers/pci/dwc/pcie-designware-host.c
@@ -613,7 +613,7 @@ void dw_pcie_setup_rc(struct pcie_port *pp)
 	/* setup bus numbers */
 	val = dw_pcie_readl_dbi(pci, PCI_PRIMARY_BUS);
 	val &= 0xff000000;
-	val |= 0x00010100;
+	val |= 0x00ff0100;
 	dw_pcie_writel_dbi(pci, PCI_PRIMARY_BUS, val);
 
 	/* setup command register */
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index 369d48d6c6f1..365447240d95 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -401,6 +401,10 @@ void pci_release_resource(struct pci_dev *dev, int resno)
 	struct resource *res = dev->resource + resno;
 
 	pci_info(dev, "BAR %d: releasing %pR\n", resno, res);
+
+	if (!res->parent)
+		return;
+
 	release_resource(res);
 	res->end = resource_size(res) - 1;
 	res->start = 0;
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index 0c2ed11c0603..f63db346c219 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -638,7 +638,7 @@ static int arm_perf_teardown_cpu(unsigned int cpu, struct hlist_node *node)
 		if (irq_is_percpu_devid(irq))
 			disable_percpu_irq(irq);
 		else
-			disable_irq(irq);
+			disable_irq_nosync(irq);
 	}
 
 	per_cpu(cpu_armpmu, cpu) = NULL;
diff --git a/drivers/phy/qualcomm/phy-qcom-ufs.c b/drivers/phy/qualcomm/phy-qcom-ufs.c
index c5ff4525edef..c5493ea51282 100644
--- a/drivers/phy/qualcomm/phy-qcom-ufs.c
+++ b/drivers/phy/qualcomm/phy-qcom-ufs.c
@@ -675,3 +675,8 @@ int ufs_qcom_phy_power_off(struct phy *generic_phy)
 	return 0;
 }
 EXPORT_SYMBOL_GPL(ufs_qcom_phy_power_off);
+
+MODULE_AUTHOR("Yaniv Gardi <ygardi@codeaurora.org>");
+MODULE_AUTHOR("Vivek Gautam <vivek.gautam@codeaurora.org>");
+MODULE_DESCRIPTION("Universal Flash Storage (UFS) QCOM PHY");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pinctrl/meson/pinctrl-meson-axg.c b/drivers/pinctrl/meson/pinctrl-meson-axg.c
index 1fda9d6c7ea3..4b91ff74779b 100644
--- a/drivers/pinctrl/meson/pinctrl-meson-axg.c
+++ b/drivers/pinctrl/meson/pinctrl-meson-axg.c
@@ -716,7 +716,7 @@ static const char * const uart_b_groups[] = {
 	"uart_tx_b_x", "uart_rx_b_x", "uart_cts_b_x", "uart_rts_b_x",
 };
 
-static const char * const uart_ao_b_gpioz_groups[] = {
+static const char * const uart_ao_b_z_groups[] = {
 	"uart_ao_tx_b_z", "uart_ao_rx_b_z",
 	"uart_ao_cts_b_z", "uart_ao_rts_b_z",
 };
@@ -855,7 +855,7 @@ static struct meson_pmx_func meson_axg_periphs_functions[] = {
 	FUNCTION(nand),
 	FUNCTION(uart_a),
 	FUNCTION(uart_b),
-	FUNCTION(uart_ao_b_gpioz),
+	FUNCTION(uart_ao_b_z),
 	FUNCTION(i2c0),
 	FUNCTION(i2c1),
 	FUNCTION(i2c2),
diff --git a/drivers/platform/chrome/chromeos_laptop.c b/drivers/platform/chrome/chromeos_laptop.c
index 6dec6ab13300..d8599736a41a 100644
--- a/drivers/platform/chrome/chromeos_laptop.c
+++ b/drivers/platform/chrome/chromeos_laptop.c
@@ -423,7 +423,7 @@ static int chromeos_laptop_probe(struct platform_device *pdev)
 	return ret;
 }
 
-static const struct chromeos_laptop samsung_series_5_550 = {
+static struct chromeos_laptop samsung_series_5_550 = {
 	.i2c_peripherals = {
 		/* Touchpad. */
 		{ .add = setup_cyapa_tp, I2C_ADAPTER_SMBUS },
@@ -432,14 +432,14 @@ static const struct chromeos_laptop samsung_series_5_550 = {
 	},
 };
 
-static const struct chromeos_laptop samsung_series_5 = {
+static struct chromeos_laptop samsung_series_5 = {
 	.i2c_peripherals = {
 		/* Light Sensor. */
 		{ .add = setup_tsl2583_als, I2C_ADAPTER_SMBUS },
 	},
 };
 
-static const struct chromeos_laptop chromebook_pixel = {
+static struct chromeos_laptop chromebook_pixel = {
 	.i2c_peripherals = {
 		/* Touch Screen. */
 		{ .add = setup_atmel_1664s_ts, I2C_ADAPTER_PANEL },
@@ -450,14 +450,14 @@ static const struct chromeos_laptop chromebook_pixel = {
 	},
 };
 
-static const struct chromeos_laptop hp_chromebook_14 = {
+static struct chromeos_laptop hp_chromebook_14 = {
 	.i2c_peripherals = {
 		/* Touchpad. */
 		{ .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 },
 	},
 };
 
-static const struct chromeos_laptop dell_chromebook_11 = {
+static struct chromeos_laptop dell_chromebook_11 = {
 	.i2c_peripherals = {
 		/* Touchpad. */
 		{ .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 },
@@ -466,28 +466,28 @@ static const struct chromeos_laptop dell_chromebook_11 = {
 	},
 };
 
-static const struct chromeos_laptop toshiba_cb35 = {
+static struct chromeos_laptop toshiba_cb35 = {
 	.i2c_peripherals = {
 		/* Touchpad. */
 		{ .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 },
 	},
 };
 
-static const struct chromeos_laptop acer_c7_chromebook = {
+static struct chromeos_laptop acer_c7_chromebook = {
 	.i2c_peripherals = {
 		/* Touchpad. */
 		{ .add = setup_cyapa_tp, I2C_ADAPTER_SMBUS },
 	},
 };
 
-static const struct chromeos_laptop acer_ac700 = {
+static struct chromeos_laptop acer_ac700 = {
 	.i2c_peripherals = {
 		/* Light Sensor. */
 		{ .add = setup_tsl2563_als, I2C_ADAPTER_SMBUS },
 	},
 };
 
-static const struct chromeos_laptop acer_c720 = {
+static struct chromeos_laptop acer_c720 = {
 	.i2c_peripherals = {
 		/* Touchscreen. */
 		{ .add = setup_atmel_1664s_ts, I2C_ADAPTER_DESIGNWARE_1 },
@@ -500,14 +500,14 @@ static const struct chromeos_laptop acer_c720 = {
 	},
 };
 
-static const struct chromeos_laptop hp_pavilion_14_chromebook = {
+static struct chromeos_laptop hp_pavilion_14_chromebook = {
 	.i2c_peripherals = {
 		/* Touchpad. */
 		{ .add = setup_cyapa_tp, I2C_ADAPTER_SMBUS },
 	},
 };
 
-static const struct chromeos_laptop cr48 = {
+static struct chromeos_laptop cr48 = {
 	.i2c_peripherals = {
 		/* Light Sensor. */
 		{ .add = setup_tsl2563_als, I2C_ADAPTER_SMBUS },
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 9a8f96465cdc..51ebc5a6053f 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -105,31 +105,45 @@ config ASUS_LAPTOP
 
 	  If you have an ACPI-compatible ASUS laptop, say Y or M here.
 
+#
+# The DELL_SMBIOS driver depends on ACPI_WMI and/or DCDBAS if those
+# backends are selected. The "depends" line prevents a configuration
+# where DELL_SMBIOS=y while either of those dependencies =m.
+#
 config DELL_SMBIOS
-	tristate
+	tristate "Dell SMBIOS driver"
+	depends on DCDBAS || DCDBAS=n
+	depends on ACPI_WMI || ACPI_WMI=n
+	---help---
+	This provides support for the Dell SMBIOS calling interface.
+	If you have a Dell computer you should enable this option.
+
+	Be sure to select at least one backend for it to work properly.
 
 config DELL_SMBIOS_WMI
-	tristate "Dell SMBIOS calling interface (WMI implementation)"
+	bool "Dell SMBIOS driver WMI backend"
+	default y
 	depends on ACPI_WMI
 	select DELL_WMI_DESCRIPTOR
-	select DELL_SMBIOS
+	depends on DELL_SMBIOS
 	---help---
 	This provides an implementation for the Dell SMBIOS calling interface
 	communicated over ACPI-WMI.
 
-	If you have a Dell computer from >2007 you should say Y or M here.
+	If you have a Dell computer from >2007 you should say Y here.
 	If you aren't sure and this module doesn't work for your computer
 	it just won't load.
 
 config DELL_SMBIOS_SMM
-	tristate "Dell SMBIOS calling interface (SMM implementation)"
+	bool "Dell SMBIOS driver SMM backend"
+	default y
 	depends on DCDBAS
-	select DELL_SMBIOS
+	depends on DELL_SMBIOS
 	---help---
 	This provides an implementation for the Dell SMBIOS calling interface
 	communicated over SMI/SMM.
 
-	If you have a Dell computer from <=2017 you should say Y or M here.
+	If you have a Dell computer from <=2017 you should say Y here.
 	If you aren't sure and this module doesn't work for your computer
 	it just won't load.
 
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index c388608ad2a3..2ba6cb795338 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -13,8 +13,9 @@ obj-$(CONFIG_MSI_LAPTOP)	+= msi-laptop.o
 obj-$(CONFIG_ACPI_CMPC)		+= classmate-laptop.o
 obj-$(CONFIG_COMPAL_LAPTOP)	+= compal-laptop.o
 obj-$(CONFIG_DELL_SMBIOS)	+= dell-smbios.o
-obj-$(CONFIG_DELL_SMBIOS_WMI)	+= dell-smbios-wmi.o
-obj-$(CONFIG_DELL_SMBIOS_SMM)	+= dell-smbios-smm.o
+dell-smbios-objs		:= dell-smbios-base.o
+dell-smbios-$(CONFIG_DELL_SMBIOS_WMI)	+= dell-smbios-wmi.o
+dell-smbios-$(CONFIG_DELL_SMBIOS_SMM)	+= dell-smbios-smm.o
 obj-$(CONFIG_DELL_LAPTOP)	+= dell-laptop.o
 obj-$(CONFIG_DELL_WMI)		+= dell-wmi.o
 obj-$(CONFIG_DELL_WMI_DESCRIPTOR)	+= dell-wmi-descriptor.o
diff --git a/drivers/platform/x86/dell-smbios.c b/drivers/platform/x86/dell-smbios-base.c
index 8541cde4cb7d..2485c80a9fdd 100644
--- a/drivers/platform/x86/dell-smbios.c
+++ b/drivers/platform/x86/dell-smbios-base.c
@@ -36,7 +36,7 @@ static DEFINE_MUTEX(smbios_mutex);
 struct smbios_device {
 	struct list_head list;
 	struct device *device;
-	int (*call_fn)(struct calling_interface_buffer *);
+	int (*call_fn)(struct calling_interface_buffer *arg);
 };
 
 struct smbios_call {
@@ -352,8 +352,10 @@ static void __init parse_da_table(const struct dmi_header *dm)
 	struct calling_interface_structure *table =
 		container_of(dm, struct calling_interface_structure, header);
 
-	/* 4 bytes of table header, plus 7 bytes of Dell header, plus at least
-	   6 bytes of entry */
+	/*
+	 * 4 bytes of table header, plus 7 bytes of Dell header
+	 * plus at least 6 bytes of entry
+	 */
 
 	if (dm->length < 17)
 		return;
@@ -554,7 +556,7 @@ static void free_group(struct platform_device *pdev)
 static int __init dell_smbios_init(void)
 {
 	const struct dmi_device *valid;
-	int ret;
+	int ret, wmi, smm;
 
 	valid = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "Dell System", NULL);
 	if (!valid) {
@@ -589,8 +591,24 @@ static int __init dell_smbios_init(void)
 	if (ret)
 		goto fail_create_group;
 
+	/* register backends */
+	wmi = init_dell_smbios_wmi();
+	if (wmi)
+		pr_debug("Failed to initialize WMI backend: %d\n", wmi);
+	smm = init_dell_smbios_smm();
+	if (smm)
+		pr_debug("Failed to initialize SMM backend: %d\n", smm);
+	if (wmi && smm) {
+		pr_err("No SMBIOS backends available (wmi: %d, smm: %d)\n",
+			wmi, smm);
+		goto fail_sysfs;
+	}
+
 	return 0;
 
+fail_sysfs:
+	free_group(platform_device);
+
 fail_create_group:
 	platform_device_del(platform_device);
 
@@ -607,6 +625,8 @@ fail_platform_driver:
 
 static void __exit dell_smbios_exit(void)
 {
+	exit_dell_smbios_wmi();
+	exit_dell_smbios_smm();
 	mutex_lock(&smbios_mutex);
 	if (platform_device) {
 		free_group(platform_device);
@@ -617,11 +637,12 @@ static void __exit dell_smbios_exit(void)
 	mutex_unlock(&smbios_mutex);
 }
 
-subsys_initcall(dell_smbios_init);
+module_init(dell_smbios_init);
 module_exit(dell_smbios_exit);
 
 MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>");
 MODULE_AUTHOR("Gabriele Mazzotta <gabriele.mzt@gmail.com>");
 MODULE_AUTHOR("Pali Rohár <pali.rohar@gmail.com>");
+MODULE_AUTHOR("Mario Limonciello <mario.limonciello@dell.com>");
 MODULE_DESCRIPTION("Common functions for kernel modules using Dell SMBIOS");
 MODULE_LICENSE("GPL");
diff --git a/drivers/platform/x86/dell-smbios-smm.c b/drivers/platform/x86/dell-smbios-smm.c
index 89f65c4651a0..e9e9da556318 100644
--- a/drivers/platform/x86/dell-smbios-smm.c
+++ b/drivers/platform/x86/dell-smbios-smm.c
@@ -58,7 +58,7 @@ static const struct dmi_system_id dell_device_table[] __initconst = {
 };
 MODULE_DEVICE_TABLE(dmi, dell_device_table);
 
-static void __init parse_da_table(const struct dmi_header *dm)
+static void parse_da_table(const struct dmi_header *dm)
 {
 	struct calling_interface_structure *table =
 		container_of(dm, struct calling_interface_structure, header);
@@ -73,7 +73,7 @@ static void __init parse_da_table(const struct dmi_header *dm)
 	da_command_code = table->cmdIOCode;
 }
 
-static void __init find_cmd_address(const struct dmi_header *dm, void *dummy)
+static void find_cmd_address(const struct dmi_header *dm, void *dummy)
 {
 	switch (dm->type) {
 	case 0xda: /* Calling interface */
@@ -128,7 +128,7 @@ static bool test_wsmt_enabled(void)
 	return false;
 }
 
-static int __init dell_smbios_smm_init(void)
+int init_dell_smbios_smm(void)
 {
 	int ret;
 	/*
@@ -176,7 +176,7 @@ fail_platform_device_alloc:
 	return ret;
 }
 
-static void __exit dell_smbios_smm_exit(void)
+void exit_dell_smbios_smm(void)
 {
 	if (platform_device) {
 		dell_smbios_unregister_device(&platform_device->dev);
@@ -184,13 +184,3 @@ static void __exit dell_smbios_smm_exit(void)
 		free_page((unsigned long)buffer);
 	}
 }
-
-subsys_initcall(dell_smbios_smm_init);
-module_exit(dell_smbios_smm_exit);
-
-MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>");
-MODULE_AUTHOR("Gabriele Mazzotta <gabriele.mzt@gmail.com>");
-MODULE_AUTHOR("Pali Rohár <pali.rohar@gmail.com>");
-MODULE_AUTHOR("Mario Limonciello <mario.limonciello@dell.com>");
-MODULE_DESCRIPTION("Dell SMBIOS communications over SMI");
-MODULE_LICENSE("GPL");
diff --git a/drivers/platform/x86/dell-smbios-wmi.c b/drivers/platform/x86/dell-smbios-wmi.c
index 609557aa5868..fbefedb1c172 100644
--- a/drivers/platform/x86/dell-smbios-wmi.c
+++ b/drivers/platform/x86/dell-smbios-wmi.c
@@ -228,7 +228,7 @@ static const struct wmi_device_id dell_smbios_wmi_id_table[] = {
 	{ },
 };
 
-static void __init parse_b1_table(const struct dmi_header *dm)
+static void parse_b1_table(const struct dmi_header *dm)
 {
 	struct misc_bios_flags_structure *flags =
 	container_of(dm, struct misc_bios_flags_structure, header);
@@ -242,7 +242,7 @@ static void __init parse_b1_table(const struct dmi_header *dm)
 		wmi_supported = 1;
 }
 
-static void __init find_b1(const struct dmi_header *dm, void *dummy)
+static void find_b1(const struct dmi_header *dm, void *dummy)
 {
 	switch (dm->type) {
 	case 0xb1: /* misc bios flags */
@@ -261,7 +261,7 @@ static struct wmi_driver dell_smbios_wmi_driver = {
 	.filter_callback = dell_smbios_wmi_filter,
 };
 
-static int __init init_dell_smbios_wmi(void)
+int init_dell_smbios_wmi(void)
 {
 	dmi_walk(find_b1, NULL);
 
@@ -271,15 +271,9 @@ static int __init init_dell_smbios_wmi(void)
 	return wmi_driver_register(&dell_smbios_wmi_driver);
 }
 
-static void __exit exit_dell_smbios_wmi(void)
+void exit_dell_smbios_wmi(void)
 {
 	wmi_driver_unregister(&dell_smbios_wmi_driver);
 }
 
-module_init(init_dell_smbios_wmi);
-module_exit(exit_dell_smbios_wmi);
-
 MODULE_ALIAS("wmi:" DELL_WMI_SMBIOS_GUID);
-MODULE_AUTHOR("Mario Limonciello <mario.limonciello@dell.com>");
-MODULE_DESCRIPTION("Dell SMBIOS communications over WMI");
-MODULE_LICENSE("GPL");
diff --git a/drivers/platform/x86/dell-smbios.h b/drivers/platform/x86/dell-smbios.h
index 138d478d9adc..d8adaf959740 100644
--- a/drivers/platform/x86/dell-smbios.h
+++ b/drivers/platform/x86/dell-smbios.h
@@ -75,4 +75,29 @@ int dell_laptop_register_notifier(struct notifier_block *nb);
 int dell_laptop_unregister_notifier(struct notifier_block *nb);
 void dell_laptop_call_notifier(unsigned long action, void *data);
 
-#endif
+/* for the supported backends */
+#ifdef CONFIG_DELL_SMBIOS_WMI
+int init_dell_smbios_wmi(void);
+void exit_dell_smbios_wmi(void);
+#else /* CONFIG_DELL_SMBIOS_WMI */
+static inline int init_dell_smbios_wmi(void)
+{
+	return -ENODEV;
+}
+static inline void exit_dell_smbios_wmi(void)
+{}
+#endif /* CONFIG_DELL_SMBIOS_WMI */
+
+#ifdef CONFIG_DELL_SMBIOS_SMM
+int init_dell_smbios_smm(void);
+void exit_dell_smbios_smm(void);
+#else /* CONFIG_DELL_SMBIOS_SMM */
+static inline int init_dell_smbios_smm(void)
+{
+	return -ENODEV;
+}
+static inline void exit_dell_smbios_smm(void)
+{}
+#endif /* CONFIG_DELL_SMBIOS_SMM */
+
+#endif /* _DELL_SMBIOS_H_ */
diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
index 2c9927430d85..8d102195a392 100644
--- a/drivers/platform/x86/dell-wmi.c
+++ b/drivers/platform/x86/dell-wmi.c
@@ -714,7 +714,7 @@ static int __init dell_wmi_init(void)
 
 	return wmi_driver_register(&dell_wmi_driver);
 }
-module_init(dell_wmi_init);
+late_initcall(dell_wmi_init);
 
 static void __exit dell_wmi_exit(void)
 {
diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c
index d1a01311c1a2..5e3df194723e 100644
--- a/drivers/platform/x86/intel-hid.c
+++ b/drivers/platform/x86/intel-hid.c
@@ -376,6 +376,7 @@ static int intel_hid_remove(struct platform_device *device)
 {
 	acpi_handle handle = ACPI_HANDLE(&device->dev);
 
+	device_init_wakeup(&device->dev, false);
 	acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, notify_handler);
 	intel_hid_set_enable(&device->dev, false);
 	intel_button_array_enable(&device->dev, false);
diff --git a/drivers/platform/x86/intel-vbtn.c b/drivers/platform/x86/intel-vbtn.c
index b703d6f5b099..c13780b8dabb 100644
--- a/drivers/platform/x86/intel-vbtn.c
+++ b/drivers/platform/x86/intel-vbtn.c
@@ -7,6 +7,7 @@
  */
 
 #include <linux/acpi.h>
+#include <linux/dmi.h>
 #include <linux/input.h>
 #include <linux/input/sparse-keymap.h>
 #include <linux/kernel.h>
@@ -97,9 +98,35 @@ out_unknown:
 	dev_dbg(&device->dev, "unknown event index 0x%x\n", event);
 }
 
-static int intel_vbtn_probe(struct platform_device *device)
+static void detect_tablet_mode(struct platform_device *device)
 {
+	const char *chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE);
+	struct intel_vbtn_priv *priv = dev_get_drvdata(&device->dev);
+	acpi_handle handle = ACPI_HANDLE(&device->dev);
 	struct acpi_buffer vgbs_output = { ACPI_ALLOCATE_BUFFER, NULL };
+	union acpi_object *obj;
+	acpi_status status;
+	int m;
+
+	if (!(chassis_type && strcmp(chassis_type, "31") == 0))
+		goto out;
+
+	status = acpi_evaluate_object(handle, "VGBS", NULL, &vgbs_output);
+	if (ACPI_FAILURE(status))
+		goto out;
+
+	obj = vgbs_output.pointer;
+	if (!(obj && obj->type == ACPI_TYPE_INTEGER))
+		goto out;
+
+	m = !(obj->integer.value & TABLET_MODE_FLAG);
+	input_report_switch(priv->input_dev, SW_TABLET_MODE, m);
+out:
+	kfree(vgbs_output.pointer);
+}
+
+static int intel_vbtn_probe(struct platform_device *device)
+{
 	acpi_handle handle = ACPI_HANDLE(&device->dev);
 	struct intel_vbtn_priv *priv;
 	acpi_status status;
@@ -122,22 +149,7 @@ static int intel_vbtn_probe(struct platform_device *device)
 		return err;
 	}
 
-	/*
-	 * VGBS being present and returning something means we have
-	 * a tablet mode switch.
-	 */
-	status = acpi_evaluate_object(handle, "VGBS", NULL, &vgbs_output);
-	if (ACPI_SUCCESS(status)) {
-		union acpi_object *obj = vgbs_output.pointer;
-
-		if (obj && obj->type == ACPI_TYPE_INTEGER) {
-			int m = !(obj->integer.value & TABLET_MODE_FLAG);
-
-			input_report_switch(priv->input_dev, SW_TABLET_MODE, m);
-		}
-	}
-
-	kfree(vgbs_output.pointer);
+	detect_tablet_mode(device);
 
 	status = acpi_install_notify_handler(handle,
 					     ACPI_DEVICE_NOTIFY,
@@ -154,6 +166,7 @@ static int intel_vbtn_remove(struct platform_device *device)
 {
 	acpi_handle handle = ACPI_HANDLE(&device->dev);
 
+	device_init_wakeup(&device->dev, false);
 	acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, notify_handler);
 
 	/*
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index c0c8945603cb..8796211ef24a 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -945,7 +945,7 @@ static int wmi_dev_probe(struct device *dev)
 		wblock->char_dev.mode = 0444;
 		ret = misc_register(&wblock->char_dev);
 		if (ret) {
-			dev_warn(dev, "failed to register char dev: %d", ret);
+			dev_warn(dev, "failed to register char dev: %d\n", ret);
 			ret = -ENOMEM;
 			goto probe_misc_failure;
 		}
@@ -1048,7 +1048,7 @@ static int wmi_create_device(struct device *wmi_bus_dev,
 
 	if (result) {
 		dev_warn(wmi_bus_dev,
-			 "%s data block query control method not found",
+			 "%s data block query control method not found\n",
 			 method);
 		return result;
 	}
@@ -1198,7 +1198,7 @@ static int parse_wdg(struct device *wmi_bus_dev, struct acpi_device *device)
 
 		retval = device_add(&wblock->dev.dev);
 		if (retval) {
-			dev_err(wmi_bus_dev, "failed to register %pULL\n",
+			dev_err(wmi_bus_dev, "failed to register %pUL\n",
 				wblock->gblock.guid);
 			if (debug_event)
 				wmi_method_enable(wblock, 0);
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index dd4708c58480..1fc0c0811da4 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -4310,7 +4310,7 @@ static int _regulator_resume_early(struct device *dev, void *data)
 
 	rstate = regulator_get_suspend_state(rdev, *state);
 	if (rstate == NULL)
-		return -EINVAL;
+		return 0;
 
 	mutex_lock(&rdev->mutex);
 
diff --git a/drivers/regulator/stm32-vrefbuf.c b/drivers/regulator/stm32-vrefbuf.c
index 72c8b3e1022b..e0a9c445ed67 100644
--- a/drivers/regulator/stm32-vrefbuf.c
+++ b/drivers/regulator/stm32-vrefbuf.c
@@ -51,7 +51,7 @@ static int stm32_vrefbuf_enable(struct regulator_dev *rdev)
 	 * arbitrary timeout.
 	 */
 	ret = readl_poll_timeout(priv->base + STM32_VREFBUF_CSR, val,
-				 !(val & STM32_VRR), 650, 10000);
+				 val & STM32_VRR, 650, 10000);
 	if (ret) {
 		dev_err(&rdev->dev, "stm32 vrefbuf timed out!\n");
 		val = readl_relaxed(priv->base + STM32_VREFBUF_CSR);
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index a7c15f0085e2..ecef8e73d40b 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2581,8 +2581,6 @@ int dasd_cancel_req(struct dasd_ccw_req *cqr)
 	case DASD_CQR_QUEUED:
 		/* request was not started - just set to cleared */
 		cqr->status = DASD_CQR_CLEARED;
-		if (cqr->callback_data == DASD_SLEEPON_START_TAG)
-			cqr->callback_data = DASD_SLEEPON_END_TAG;
 		break;
 	case DASD_CQR_IN_IO:
 		/* request in IO - terminate IO and release again */
@@ -3902,9 +3900,12 @@ static int dasd_generic_requeue_all_requests(struct dasd_device *device)
 		wait_event(dasd_flush_wq,
 			   (cqr->status != DASD_CQR_CLEAR_PENDING));
 
-		/* mark sleepon requests as ended */
-		if (cqr->callback_data == DASD_SLEEPON_START_TAG)
-			cqr->callback_data = DASD_SLEEPON_END_TAG;
+		/*
+		 * requeue requests to blocklayer will only work
+		 * for block device requests
+		 */
+		if (_dasd_requeue_request(cqr))
+			continue;
 
 		/* remove requests from device and block queue */
 		list_del_init(&cqr->devlist);
@@ -3917,13 +3918,6 @@ static int dasd_generic_requeue_all_requests(struct dasd_device *device)
 			cqr = refers;
 		}
 
-		/*
-		 * requeue requests to blocklayer will only work
-		 * for block device requests
-		 */
-		if (_dasd_requeue_request(cqr))
-			continue;
-
 		if (cqr->block)
 			list_del_init(&cqr->blocklist);
 		cqr->block->base->discipline->free_cp(
@@ -3940,8 +3934,7 @@ static int dasd_generic_requeue_all_requests(struct dasd_device *device)
 		list_splice_tail(&requeue_queue, &device->ccw_queue);
 		spin_unlock_irq(get_ccwdev_lock(device->cdev));
 	}
-	/* wake up generic waitqueue for eventually ended sleepon requests */
-	wake_up(&generic_waitq);
+	dasd_schedule_device_bh(device);
 	return rc;
 }
 
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 1319122e9d12..9169af7dbb43 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -795,6 +795,7 @@ ccw_device_online_timeout(struct ccw_device *cdev, enum dev_event dev_event)
 
 	ccw_device_set_timeout(cdev, 0);
 	cdev->private->iretry = 255;
+	cdev->private->async_kill_io_rc = -ETIMEDOUT;
 	ret = ccw_device_cancel_halt_clear(cdev);
 	if (ret == -EBUSY) {
 		ccw_device_set_timeout(cdev, 3*HZ);
@@ -871,7 +872,7 @@ ccw_device_killing_irq(struct ccw_device *cdev, enum dev_event dev_event)
 	/* OK, i/o is dead now. Call interrupt handler. */
 	if (cdev->handler)
 		cdev->handler(cdev, cdev->private->intparm,
-			      ERR_PTR(-EIO));
+			      ERR_PTR(cdev->private->async_kill_io_rc));
 }
 
 static void
@@ -888,14 +889,16 @@ ccw_device_killing_timeout(struct ccw_device *cdev, enum dev_event dev_event)
 	ccw_device_online_verify(cdev, 0);
 	if (cdev->handler)
 		cdev->handler(cdev, cdev->private->intparm,
-			      ERR_PTR(-EIO));
+			      ERR_PTR(cdev->private->async_kill_io_rc));
 }
 
 void ccw_device_kill_io(struct ccw_device *cdev)
 {
 	int ret;
 
+	ccw_device_set_timeout(cdev, 0);
 	cdev->private->iretry = 255;
+	cdev->private->async_kill_io_rc = -EIO;
 	ret = ccw_device_cancel_halt_clear(cdev);
 	if (ret == -EBUSY) {
 		ccw_device_set_timeout(cdev, 3*HZ);
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index 1caf6a398760..75ce12a24dc2 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -159,7 +159,7 @@ int ccw_device_clear(struct ccw_device *cdev, unsigned long intparm)
 }
 
 /**
- * ccw_device_start_key() - start a s390 channel program with key
+ * ccw_device_start_timeout_key() - start a s390 channel program with timeout and key
  * @cdev: target ccw device
  * @cpa: logical start address of channel program
  * @intparm: user specific interruption parameter; will be presented back to
@@ -170,10 +170,15 @@ int ccw_device_clear(struct ccw_device *cdev, unsigned long intparm)
  * @key: storage key to be used for the I/O
  * @flags: additional flags; defines the action to be performed for I/O
  *	   processing.
+ * @expires: timeout value in jiffies
  *
  * Start a S/390 channel program. When the interrupt arrives, the
  * IRQ handler is called, either immediately, delayed (dev-end missing,
  * or sense required) or never (no IRQ handler registered).
+ * This function notifies the device driver if the channel program has not
+ * completed during the time specified by @expires. If a timeout occurs, the
+ * channel program is terminated via xsch, hsch or csch, and the device's
+ * interrupt handler will be called with an irb containing ERR_PTR(-%ETIMEDOUT).
  * Returns:
  *  %0, if the operation was successful;
  *  -%EBUSY, if the device is busy, or status pending;
@@ -182,9 +187,9 @@ int ccw_device_clear(struct ccw_device *cdev, unsigned long intparm)
  * Context:
  *  Interrupts disabled, ccw device lock held
  */
-int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
-			 unsigned long intparm, __u8 lpm, __u8 key,
-			 unsigned long flags)
+int ccw_device_start_timeout_key(struct ccw_device *cdev, struct ccw1 *cpa,
+				 unsigned long intparm, __u8 lpm, __u8 key,
+				 unsigned long flags, int expires)
 {
 	struct subchannel *sch;
 	int ret;
@@ -224,6 +229,8 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
 	switch (ret) {
 	case 0:
 		cdev->private->intparm = intparm;
+		if (expires)
+			ccw_device_set_timeout(cdev, expires);
 		break;
 	case -EACCES:
 	case -ENODEV:
@@ -234,7 +241,7 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
 }
 
 /**
- * ccw_device_start_timeout_key() - start a s390 channel program with timeout and key
+ * ccw_device_start_key() - start a s390 channel program with key
  * @cdev: target ccw device
  * @cpa: logical start address of channel program
  * @intparm: user specific interruption parameter; will be presented back to
@@ -245,15 +252,10 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
  * @key: storage key to be used for the I/O
  * @flags: additional flags; defines the action to be performed for I/O
  *	   processing.
- * @expires: timeout value in jiffies
  *
  * Start a S/390 channel program. When the interrupt arrives, the
  * IRQ handler is called, either immediately, delayed (dev-end missing,
  * or sense required) or never (no IRQ handler registered).
- * This function notifies the device driver if the channel program has not
- * completed during the time specified by @expires. If a timeout occurs, the
- * channel program is terminated via xsch, hsch or csch, and the device's
- * interrupt handler will be called with an irb containing ERR_PTR(-%ETIMEDOUT).
  * Returns:
  *  %0, if the operation was successful;
  *  -%EBUSY, if the device is busy, or status pending;
@@ -262,19 +264,12 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
  * Context:
  *  Interrupts disabled, ccw device lock held
  */
-int ccw_device_start_timeout_key(struct ccw_device *cdev, struct ccw1 *cpa,
-				 unsigned long intparm, __u8 lpm, __u8 key,
-				 unsigned long flags, int expires)
+int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
+			 unsigned long intparm, __u8 lpm, __u8 key,
+			 unsigned long flags)
 {
-	int ret;
-
-	if (!cdev)
-		return -ENODEV;
-	ccw_device_set_timeout(cdev, expires);
-	ret = ccw_device_start_key(cdev, cpa, intparm, lpm, key, flags);
-	if (ret != 0)
-		ccw_device_set_timeout(cdev, 0);
-	return ret;
+	return ccw_device_start_timeout_key(cdev, cpa, intparm, lpm, key,
+					    flags, 0);
 }
 
 /**
@@ -489,18 +484,20 @@ void ccw_device_get_id(struct ccw_device *cdev, struct ccw_dev_id *dev_id)
 EXPORT_SYMBOL(ccw_device_get_id);
 
 /**
- * ccw_device_tm_start_key() - perform start function
+ * ccw_device_tm_start_timeout_key() - perform start function
  * @cdev: ccw device on which to perform the start function
  * @tcw: transport-command word to be started
  * @intparm: user defined parameter to be passed to the interrupt handler
  * @lpm: mask of paths to use
  * @key: storage key to use for storage access
+ * @expires: time span in jiffies after which to abort request
  *
  * Start the tcw on the given ccw device. Return zero on success, non-zero
  * otherwise.
  */
-int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw,
-			    unsigned long intparm, u8 lpm, u8 key)
+int ccw_device_tm_start_timeout_key(struct ccw_device *cdev, struct tcw *tcw,
+				    unsigned long intparm, u8 lpm, u8 key,
+				    int expires)
 {
 	struct subchannel *sch;
 	int rc;
@@ -527,37 +524,32 @@ int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw,
 			return -EACCES;
 	}
 	rc = cio_tm_start_key(sch, tcw, lpm, key);
-	if (rc == 0)
+	if (rc == 0) {
 		cdev->private->intparm = intparm;
+		if (expires)
+			ccw_device_set_timeout(cdev, expires);
+	}
 	return rc;
 }
-EXPORT_SYMBOL(ccw_device_tm_start_key);
+EXPORT_SYMBOL(ccw_device_tm_start_timeout_key);
 
 /**
- * ccw_device_tm_start_timeout_key() - perform start function
+ * ccw_device_tm_start_key() - perform start function
  * @cdev: ccw device on which to perform the start function
  * @tcw: transport-command word to be started
  * @intparm: user defined parameter to be passed to the interrupt handler
  * @lpm: mask of paths to use
  * @key: storage key to use for storage access
- * @expires: time span in jiffies after which to abort request
  *
  * Start the tcw on the given ccw device. Return zero on success, non-zero
  * otherwise.
  */
-int ccw_device_tm_start_timeout_key(struct ccw_device *cdev, struct tcw *tcw,
-				    unsigned long intparm, u8 lpm, u8 key,
-				    int expires)
+int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw,
+			    unsigned long intparm, u8 lpm, u8 key)
 {
-	int ret;
-
-	ccw_device_set_timeout(cdev, expires);
-	ret = ccw_device_tm_start_key(cdev, tcw, intparm, lpm, key);
-	if (ret != 0)
-		ccw_device_set_timeout(cdev, 0);
-	return ret;
+	return ccw_device_tm_start_timeout_key(cdev, tcw, intparm, lpm, key, 0);
 }
-EXPORT_SYMBOL(ccw_device_tm_start_timeout_key);
+EXPORT_SYMBOL(ccw_device_tm_start_key);
 
 /**
  * ccw_device_tm_start() - perform start function
diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h
index af571d8d6925..90e4e3a7841b 100644
--- a/drivers/s390/cio/io_sch.h
+++ b/drivers/s390/cio/io_sch.h
@@ -157,6 +157,7 @@ struct ccw_device_private {
 	unsigned long intparm;	/* user interruption parameter */
 	struct qdio_irq *qdio_data;
 	struct irb irb;		/* device status */
+	int async_kill_io_rc;
 	struct senseid senseid;	/* SenseID info */
 	struct pgid pgid[8];	/* path group IDs per chpid*/
 	struct ccw1 iccws[2];	/* ccws for SNID/SID/SPGID commands */
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index ca72f3311004..c8b308cfabf1 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -2134,24 +2134,25 @@ int qeth_send_control_data(struct qeth_card *card, int len,
 	}
 	reply->callback = reply_cb;
 	reply->param = reply_param;
-	if (card->state == CARD_STATE_DOWN)
-		reply->seqno = QETH_IDX_COMMAND_SEQNO;
-	else
-		reply->seqno = card->seqno.ipa++;
+
 	init_waitqueue_head(&reply->wait_q);
-	spin_lock_irqsave(&card->lock, flags);
-	list_add_tail(&reply->list, &card->cmd_waiter_list);
-	spin_unlock_irqrestore(&card->lock, flags);
 
 	while (atomic_cmpxchg(&card->write.irq_pending, 0, 1)) ;
-	qeth_prepare_control_data(card, len, iob);
 
 	if (IS_IPA(iob->data)) {
 		cmd = __ipa_cmd(iob);
+		cmd->hdr.seqno = card->seqno.ipa++;
+		reply->seqno = cmd->hdr.seqno;
 		event_timeout = QETH_IPA_TIMEOUT;
 	} else {
+		reply->seqno = QETH_IDX_COMMAND_SEQNO;
 		event_timeout = QETH_TIMEOUT;
 	}
+	qeth_prepare_control_data(card, len, iob);
+
+	spin_lock_irqsave(&card->lock, flags);
+	list_add_tail(&reply->list, &card->cmd_waiter_list);
+	spin_unlock_irqrestore(&card->lock, flags);
 
 	timeout = jiffies + event_timeout;
 
@@ -2933,7 +2934,7 @@ static void qeth_fill_ipacmd_header(struct qeth_card *card,
 	memset(cmd, 0, sizeof(struct qeth_ipa_cmd));
 	cmd->hdr.command = command;
 	cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
-	cmd->hdr.seqno = card->seqno.ipa;
+	/* cmd->hdr.seqno is set by qeth_send_control_data() */
 	cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
 	cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
 	if (card->options.layer2)
@@ -3898,10 +3899,12 @@ EXPORT_SYMBOL_GPL(qeth_get_elements_for_frags);
 int qeth_get_elements_no(struct qeth_card *card,
 		     struct sk_buff *skb, int extra_elems, int data_offset)
 {
-	int elements = qeth_get_elements_for_range(
-				(addr_t)skb->data + data_offset,
-				(addr_t)skb->data + skb_headlen(skb)) +
-			qeth_get_elements_for_frags(skb);
+	addr_t end = (addr_t)skb->data + skb_headlen(skb);
+	int elements = qeth_get_elements_for_frags(skb);
+	addr_t start = (addr_t)skb->data + data_offset;
+
+	if (start != end)
+		elements += qeth_get_elements_for_range(start, end);
 
 	if ((elements + extra_elems) > QETH_MAX_BUFFER_ELEMENTS(card)) {
 		QETH_DBF_MESSAGE(2, "Invalid size of IP packet "
diff --git a/drivers/s390/net/qeth_l3.h b/drivers/s390/net/qeth_l3.h
index bdd45f4dcace..498fe9af2cdb 100644
--- a/drivers/s390/net/qeth_l3.h
+++ b/drivers/s390/net/qeth_l3.h
@@ -40,8 +40,40 @@ struct qeth_ipaddr {
 			unsigned int pfxlen;
 		} a6;
 	} u;
-
 };
+
+static inline bool qeth_l3_addr_match_ip(struct qeth_ipaddr *a1,
+					 struct qeth_ipaddr *a2)
+{
+	if (a1->proto != a2->proto)
+		return false;
+	if (a1->proto == QETH_PROT_IPV6)
+		return ipv6_addr_equal(&a1->u.a6.addr, &a2->u.a6.addr);
+	return a1->u.a4.addr == a2->u.a4.addr;
+}
+
+static inline bool qeth_l3_addr_match_all(struct qeth_ipaddr *a1,
+					  struct qeth_ipaddr *a2)
+{
+	/* Assumes that the pair was obtained via qeth_l3_addr_find_by_ip(),
+	 * so 'proto' and 'addr' match for sure.
+	 *
+	 * For ucast:
+	 * -	'mac' is always 0.
+	 * -	'mask'/'pfxlen' for RXIP/VIPA is always 0. For NORMAL, matching
+	 *	values are required to avoid mixups in takeover eligibility.
+	 *
+	 * For mcast,
+	 * -	'mac' is mapped from the IP, and thus always matches.
+	 * -	'mask'/'pfxlen' is always 0.
+	 */
+	if (a1->type != a2->type)
+		return false;
+	if (a1->proto == QETH_PROT_IPV6)
+		return a1->u.a6.pfxlen == a2->u.a6.pfxlen;
+	return a1->u.a4.mask == a2->u.a4.mask;
+}
+
 static inline  u64 qeth_l3_ipaddr_hash(struct qeth_ipaddr *addr)
 {
 	u64  ret = 0;
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index b0c888e86cd4..962a04b68dd2 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -67,6 +67,24 @@ void qeth_l3_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr,
 		qeth_l3_ipaddr6_to_string(addr, buf);
 }
 
+static struct qeth_ipaddr *qeth_l3_find_addr_by_ip(struct qeth_card *card,
+						   struct qeth_ipaddr *query)
+{
+	u64 key = qeth_l3_ipaddr_hash(query);
+	struct qeth_ipaddr *addr;
+
+	if (query->is_multicast) {
+		hash_for_each_possible(card->ip_mc_htable, addr, hnode, key)
+			if (qeth_l3_addr_match_ip(addr, query))
+				return addr;
+	} else {
+		hash_for_each_possible(card->ip_htable,  addr, hnode, key)
+			if (qeth_l3_addr_match_ip(addr, query))
+				return addr;
+	}
+	return NULL;
+}
+
 static void qeth_l3_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
 {
 	int i, j;
@@ -120,34 +138,6 @@ static bool qeth_l3_is_addr_covered_by_ipato(struct qeth_card *card,
 	return rc;
 }
 
-inline int
-qeth_l3_ipaddrs_is_equal(struct qeth_ipaddr *addr1, struct qeth_ipaddr *addr2)
-{
-	return addr1->proto == addr2->proto &&
-	       !memcmp(&addr1->u, &addr2->u, sizeof(addr1->u)) &&
-	       ether_addr_equal_64bits(addr1->mac, addr2->mac);
-}
-
-static struct qeth_ipaddr *
-qeth_l3_ip_from_hash(struct qeth_card *card, struct qeth_ipaddr *tmp_addr)
-{
-	struct qeth_ipaddr *addr;
-
-	if (tmp_addr->is_multicast) {
-		hash_for_each_possible(card->ip_mc_htable,  addr,
-				hnode, qeth_l3_ipaddr_hash(tmp_addr))
-			if (qeth_l3_ipaddrs_is_equal(tmp_addr, addr))
-				return addr;
-	} else {
-		hash_for_each_possible(card->ip_htable,  addr,
-				hnode, qeth_l3_ipaddr_hash(tmp_addr))
-			if (qeth_l3_ipaddrs_is_equal(tmp_addr, addr))
-				return addr;
-	}
-
-	return NULL;
-}
-
 int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr)
 {
 	int rc = 0;
@@ -162,23 +152,18 @@ int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr)
 		QETH_CARD_HEX(card, 4, ((char *)&tmp_addr->u.a6.addr) + 8, 8);
 	}
 
-	addr = qeth_l3_ip_from_hash(card, tmp_addr);
-	if (!addr)
+	addr = qeth_l3_find_addr_by_ip(card, tmp_addr);
+	if (!addr || !qeth_l3_addr_match_all(addr, tmp_addr))
 		return -ENOENT;
 
 	addr->ref_counter--;
-	if (addr->ref_counter > 0 && (addr->type == QETH_IP_TYPE_NORMAL ||
-				      addr->type == QETH_IP_TYPE_RXIP))
+	if (addr->type == QETH_IP_TYPE_NORMAL && addr->ref_counter > 0)
 		return rc;
 	if (addr->in_progress)
 		return -EINPROGRESS;
 
-	if (!qeth_card_hw_is_reachable(card)) {
-		addr->disp_flag = QETH_DISP_ADDR_DELETE;
-		return 0;
-	}
-
-	rc = qeth_l3_deregister_addr_entry(card, addr);
+	if (qeth_card_hw_is_reachable(card))
+		rc = qeth_l3_deregister_addr_entry(card, addr);
 
 	hash_del(&addr->hnode);
 	kfree(addr);
@@ -190,6 +175,7 @@ int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr)
 {
 	int rc = 0;
 	struct qeth_ipaddr *addr;
+	char buf[40];
 
 	QETH_CARD_TEXT(card, 4, "addip");
 
@@ -200,8 +186,20 @@ int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr)
 		QETH_CARD_HEX(card, 4, ((char *)&tmp_addr->u.a6.addr) + 8, 8);
 	}
 
-	addr = qeth_l3_ip_from_hash(card, tmp_addr);
-	if (!addr) {
+	addr = qeth_l3_find_addr_by_ip(card, tmp_addr);
+	if (addr) {
+		if (tmp_addr->type != QETH_IP_TYPE_NORMAL)
+			return -EADDRINUSE;
+		if (qeth_l3_addr_match_all(addr, tmp_addr)) {
+			addr->ref_counter++;
+			return 0;
+		}
+		qeth_l3_ipaddr_to_string(tmp_addr->proto, (u8 *)&tmp_addr->u,
+					 buf);
+		dev_warn(&card->gdev->dev,
+			 "Registering IP address %s failed\n", buf);
+		return -EADDRINUSE;
+	} else {
 		addr = qeth_l3_get_addr_buffer(tmp_addr->proto);
 		if (!addr)
 			return -ENOMEM;
@@ -241,19 +239,15 @@ int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr)
 				(rc == IPA_RC_LAN_OFFLINE)) {
 			addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
 			if (addr->ref_counter < 1) {
-				qeth_l3_delete_ip(card, addr);
+				qeth_l3_deregister_addr_entry(card, addr);
+				hash_del(&addr->hnode);
 				kfree(addr);
 			}
 		} else {
 			hash_del(&addr->hnode);
 			kfree(addr);
 		}
-	} else {
-		if (addr->type == QETH_IP_TYPE_NORMAL ||
-		    addr->type == QETH_IP_TYPE_RXIP)
-			addr->ref_counter++;
 	}
-
 	return rc;
 }
 
@@ -321,11 +315,7 @@ static void qeth_l3_recover_ip(struct qeth_card *card)
 	spin_lock_bh(&card->ip_lock);
 
 	hash_for_each_safe(card->ip_htable, i, tmp, addr, hnode) {
-		if (addr->disp_flag == QETH_DISP_ADDR_DELETE) {
-			qeth_l3_deregister_addr_entry(card, addr);
-			hash_del(&addr->hnode);
-			kfree(addr);
-		} else if (addr->disp_flag == QETH_DISP_ADDR_ADD) {
+		if (addr->disp_flag == QETH_DISP_ADDR_ADD) {
 			if (addr->proto == QETH_PROT_IPV4) {
 				addr->in_progress = 1;
 				spin_unlock_bh(&card->ip_lock);
@@ -643,12 +633,7 @@ int qeth_l3_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
 		return -ENOMEM;
 
 	spin_lock_bh(&card->ip_lock);
-
-	if (qeth_l3_ip_from_hash(card, ipaddr))
-		rc = -EEXIST;
-	else
-		rc = qeth_l3_add_ip(card, ipaddr);
-
+	rc = qeth_l3_add_ip(card, ipaddr);
 	spin_unlock_bh(&card->ip_lock);
 
 	kfree(ipaddr);
@@ -713,12 +698,7 @@ int qeth_l3_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
 		return -ENOMEM;
 
 	spin_lock_bh(&card->ip_lock);
-
-	if (qeth_l3_ip_from_hash(card, ipaddr))
-		rc = -EEXIST;
-	else
-		rc = qeth_l3_add_ip(card, ipaddr);
-
+	rc = qeth_l3_add_ip(card, ipaddr);
 	spin_unlock_bh(&card->ip_lock);
 
 	kfree(ipaddr);
@@ -1239,8 +1219,9 @@ qeth_l3_add_mc_to_hash(struct qeth_card *card, struct in_device *in4_dev)
 		tmp->u.a4.addr = be32_to_cpu(im4->multiaddr);
 		tmp->is_multicast = 1;
 
-		ipm = qeth_l3_ip_from_hash(card, tmp);
+		ipm = qeth_l3_find_addr_by_ip(card, tmp);
 		if (ipm) {
+			/* for mcast, by-IP match means full match */
 			ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
 		} else {
 			ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4);
@@ -1319,8 +1300,9 @@ static void qeth_l3_add_mc6_to_hash(struct qeth_card *card,
 		       sizeof(struct in6_addr));
 		tmp->is_multicast = 1;
 
-		ipm = qeth_l3_ip_from_hash(card, tmp);
+		ipm = qeth_l3_find_addr_by_ip(card, tmp);
 		if (ipm) {
+			/* for mcast, by-IP match means full match */
 			ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
 			continue;
 		}
@@ -2450,11 +2432,12 @@ static void qeth_tso_fill_header(struct qeth_card *card,
 static int qeth_l3_get_elements_no_tso(struct qeth_card *card,
 			struct sk_buff *skb, int extra_elems)
 {
-	addr_t tcpdptr = (addr_t)tcp_hdr(skb) + tcp_hdrlen(skb);
-	int elements = qeth_get_elements_for_range(
-				tcpdptr,
-				(addr_t)skb->data + skb_headlen(skb)) +
-				qeth_get_elements_for_frags(skb);
+	addr_t start = (addr_t)tcp_hdr(skb) + tcp_hdrlen(skb);
+	addr_t end = (addr_t)skb->data + skb_headlen(skb);
+	int elements = qeth_get_elements_for_frags(skb);
+
+	if (start != end)
+		elements += qeth_get_elements_for_range(start, end);
 
 	if ((elements + extra_elems) > QETH_MAX_BUFFER_ELEMENTS(card)) {
 		QETH_DBF_MESSAGE(2,
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 57bf43e34863..dd9464920456 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -328,8 +328,6 @@ static void scsi_host_dev_release(struct device *dev)
 	if (shost->work_q)
 		destroy_workqueue(shost->work_q);
 
-	destroy_rcu_head(&shost->rcu);
-
 	if (shost->shost_state == SHOST_CREATED) {
 		/*
 		 * Free the shost_dev device name here if scsi_host_alloc()
@@ -404,7 +402,6 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
 	INIT_LIST_HEAD(&shost->starved_list);
 	init_waitqueue_head(&shost->host_wait);
 	mutex_init(&shost->scan_mutex);
-	init_rcu_head(&shost->rcu);
 
 	index = ida_simple_get(&host_index_ida, 0, 0, GFP_KERNEL);
 	if (index < 0)
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 073ced07e662..dc8e850fbfd2 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -216,36 +216,30 @@ inline void megasas_return_cmd_fusion(struct megasas_instance *instance,
 /**
  * megasas_fire_cmd_fusion -	Sends command to the FW
  * @instance:			Adapter soft state
- * @req_desc:			32bit or 64bit Request descriptor
+ * @req_desc:			64bit Request descriptor
  *
- * Perform PCI Write. Ventura supports 32 bit Descriptor.
- * Prior to Ventura (12G) MR controller supports 64 bit Descriptor.
+ * Perform PCI Write.
  */
 
 static void
 megasas_fire_cmd_fusion(struct megasas_instance *instance,
 		union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc)
 {
-	if (instance->adapter_type == VENTURA_SERIES)
-		writel(le32_to_cpu(req_desc->u.low),
-			&instance->reg_set->inbound_single_queue_port);
-	else {
 #if defined(writeq) && defined(CONFIG_64BIT)
-		u64 req_data = (((u64)le32_to_cpu(req_desc->u.high) << 32) |
-				le32_to_cpu(req_desc->u.low));
+	u64 req_data = (((u64)le32_to_cpu(req_desc->u.high) << 32) |
+		le32_to_cpu(req_desc->u.low));
 
-		writeq(req_data, &instance->reg_set->inbound_low_queue_port);
+	writeq(req_data, &instance->reg_set->inbound_low_queue_port);
 #else
-		unsigned long flags;
-		spin_lock_irqsave(&instance->hba_lock, flags);
-		writel(le32_to_cpu(req_desc->u.low),
-			&instance->reg_set->inbound_low_queue_port);
-		writel(le32_to_cpu(req_desc->u.high),
-			&instance->reg_set->inbound_high_queue_port);
-		mmiowb();
-		spin_unlock_irqrestore(&instance->hba_lock, flags);
+	unsigned long flags;
+	spin_lock_irqsave(&instance->hba_lock, flags);
+	writel(le32_to_cpu(req_desc->u.low),
+		&instance->reg_set->inbound_low_queue_port);
+	writel(le32_to_cpu(req_desc->u.high),
+		&instance->reg_set->inbound_high_queue_port);
+	mmiowb();
+	spin_unlock_irqrestore(&instance->hba_lock, flags);
 #endif
-	}
 }
 
 /**
@@ -982,7 +976,6 @@ megasas_ioc_init_fusion(struct megasas_instance *instance)
 	const char *sys_info;
 	MFI_CAPABILITIES *drv_ops;
 	u32 scratch_pad_2;
-	unsigned long flags;
 	ktime_t time;
 	bool cur_fw_64bit_dma_capable;
 
@@ -1121,14 +1114,7 @@ megasas_ioc_init_fusion(struct megasas_instance *instance)
 			break;
 	}
 
-	/* For Ventura also IOC INIT required 64 bit Descriptor write. */
-	spin_lock_irqsave(&instance->hba_lock, flags);
-	writel(le32_to_cpu(req_desc.u.low),
-	       &instance->reg_set->inbound_low_queue_port);
-	writel(le32_to_cpu(req_desc.u.high),
-	       &instance->reg_set->inbound_high_queue_port);
-	mmiowb();
-	spin_unlock_irqrestore(&instance->hba_lock, flags);
+	megasas_fire_cmd_fusion(instance, &req_desc);
 
 	wait_and_poll(instance, cmd, MFI_POLL_TIMEOUT_SECS);
 
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 59a87ca328d3..0aafbfd1b746 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -6297,14 +6297,14 @@ _base_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase)
 }
 
 /**
- * _wait_for_commands_to_complete - reset controller
+ * mpt3sas_wait_for_commands_to_complete - reset controller
  * @ioc: Pointer to MPT_ADAPTER structure
  *
  * This function is waiting 10s for all pending commands to complete
  * prior to putting controller in reset.
  */
-static void
-_wait_for_commands_to_complete(struct MPT3SAS_ADAPTER *ioc)
+void
+mpt3sas_wait_for_commands_to_complete(struct MPT3SAS_ADAPTER *ioc)
 {
 	u32 ioc_state;
 
@@ -6377,7 +6377,7 @@ mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc,
 			is_fault = 1;
 	}
 	_base_reset_handler(ioc, MPT3_IOC_PRE_RESET);
-	_wait_for_commands_to_complete(ioc);
+	mpt3sas_wait_for_commands_to_complete(ioc);
 	_base_mask_interrupts(ioc);
 	r = _base_make_ioc_ready(ioc, type);
 	if (r)
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h
index 789bc421424b..99ccf83b8c51 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.h
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.h
@@ -1433,6 +1433,9 @@ void mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
 
 int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc);
 
+void
+mpt3sas_wait_for_commands_to_complete(struct MPT3SAS_ADAPTER *ioc);
+
 
 /* scsih shared API */
 struct scsi_cmnd *mpt3sas_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc,
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 74fca184dba9..a1cb0236c550 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -2835,7 +2835,8 @@ scsih_abort(struct scsi_cmnd *scmd)
 	_scsih_tm_display_info(ioc, scmd);
 
 	sas_device_priv_data = scmd->device->hostdata;
-	if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
+	if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
+	    ioc->remove_host) {
 		sdev_printk(KERN_INFO, scmd->device,
 			"device been deleted! scmd(%p)\n", scmd);
 		scmd->result = DID_NO_CONNECT << 16;
@@ -2898,7 +2899,8 @@ scsih_dev_reset(struct scsi_cmnd *scmd)
 	_scsih_tm_display_info(ioc, scmd);
 
 	sas_device_priv_data = scmd->device->hostdata;
-	if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
+	if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
+	    ioc->remove_host) {
 		sdev_printk(KERN_INFO, scmd->device,
 			"device been deleted! scmd(%p)\n", scmd);
 		scmd->result = DID_NO_CONNECT << 16;
@@ -2961,7 +2963,8 @@ scsih_target_reset(struct scsi_cmnd *scmd)
 	_scsih_tm_display_info(ioc, scmd);
 
 	sas_device_priv_data = scmd->device->hostdata;
-	if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
+	if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
+	    ioc->remove_host) {
 		starget_printk(KERN_INFO, starget, "target been deleted! scmd(%p)\n",
 			scmd);
 		scmd->result = DID_NO_CONNECT << 16;
@@ -3019,7 +3022,7 @@ scsih_host_reset(struct scsi_cmnd *scmd)
 	    ioc->name, scmd);
 	scsi_print_command(scmd);
 
-	if (ioc->is_driver_loading) {
+	if (ioc->is_driver_loading || ioc->remove_host) {
 		pr_info(MPT3SAS_FMT "Blocking the host reset\n",
 		    ioc->name);
 		r = FAILED;
@@ -4453,7 +4456,7 @@ _scsih_flush_running_cmds(struct MPT3SAS_ADAPTER *ioc)
 		st = scsi_cmd_priv(scmd);
 		mpt3sas_base_clear_st(ioc, st);
 		scsi_dma_unmap(scmd);
-		if (ioc->pci_error_recovery)
+		if (ioc->pci_error_recovery || ioc->remove_host)
 			scmd->result = DID_NO_CONNECT << 16;
 		else
 			scmd->result = DID_RESET << 16;
@@ -9739,6 +9742,10 @@ static void scsih_remove(struct pci_dev *pdev)
 	unsigned long flags;
 
 	ioc->remove_host = 1;
+
+	mpt3sas_wait_for_commands_to_complete(ioc);
+	_scsih_flush_running_cmds(ioc);
+
 	_scsih_fw_event_cleanup_queue(ioc);
 
 	spin_lock_irqsave(&ioc->fw_event_lock, flags);
@@ -9815,6 +9822,10 @@ scsih_shutdown(struct pci_dev *pdev)
 	unsigned long flags;
 
 	ioc->remove_host = 1;
+
+	mpt3sas_wait_for_commands_to_complete(ioc);
+	_scsih_flush_running_cmds(ioc);
+
 	_scsih_fw_event_cleanup_queue(ioc);
 
 	spin_lock_irqsave(&ioc->fw_event_lock, flags);
@@ -10547,7 +10558,7 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
 	    "fw_event_%s%d", ioc->driver_name, ioc->id);
 	ioc->firmware_event_thread = alloc_ordered_workqueue(
-	    ioc->firmware_event_name, WQ_MEM_RECLAIM);
+	    ioc->firmware_event_name, 0);
 	if (!ioc->firmware_event_thread) {
 		pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
 		    ioc->name, __FILE__, __LINE__, __func__);
diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c
index 667d7697ba01..d09afe1b567d 100644
--- a/drivers/scsi/qedi/qedi_fw.c
+++ b/drivers/scsi/qedi/qedi_fw.c
@@ -762,6 +762,11 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi,
 
 	iscsi_cid = cqe->conn_id;
 	qedi_conn = qedi->cid_que.conn_cid_tbl[iscsi_cid];
+	if (!qedi_conn) {
+		QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
+			  "icid not found 0x%x\n", cqe->conn_id);
+		return;
+	}
 
 	/* Based on this itt get the corresponding qedi_cmd */
 	spin_lock_bh(&qedi_conn->tmf_work_lock);
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index be7d6824581a..c9689f97c307 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -261,9 +261,9 @@
 struct name_list_extended {
 	struct get_name_list_extended *l;
 	dma_addr_t		ldma;
-	struct list_head 	fcports;	/* protect by sess_list */
+	struct list_head	fcports;
+	spinlock_t		fcports_lock;
 	u32			size;
-	u8			sent;
 };
 /*
  * Timeout timer counts in seconds
@@ -2217,6 +2217,7 @@ typedef struct {
 
 /* FCP-4 types */
 #define FC4_TYPE_FCP_SCSI	0x08
+#define FC4_TYPE_NVME		0x28
 #define FC4_TYPE_OTHER		0x0
 #define FC4_TYPE_UNKNOWN	0xff
 
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 5bf9a59432f6..403fa096f8c8 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -3179,6 +3179,7 @@ done_free_sp:
 	sp->free(sp);
 	fcport->flags &= ~FCF_ASYNC_SENT;
 done:
+	fcport->flags &= ~FCF_ASYNC_ACTIVE;
 	return rval;
 }
 
@@ -3370,6 +3371,7 @@ done_free_sp:
 	sp->free(sp);
 	fcport->flags &= ~FCF_ASYNC_SENT;
 done:
+	fcport->flags &= ~FCF_ASYNC_ACTIVE;
 	return rval;
 }
 
@@ -3971,6 +3973,9 @@ out:
 	spin_lock_irqsave(&vha->work_lock, flags);
 	vha->scan.scan_flags &= ~SF_SCANNING;
 	spin_unlock_irqrestore(&vha->work_lock, flags);
+
+	if ((fc4type == FC4_TYPE_FCP_SCSI) && vha->flags.nvme_enabled)
+		qla24xx_async_gpnft(vha, FC4_TYPE_NVME);
 }
 
 static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res)
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 2dea1129d396..00329dda6179 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -213,6 +213,7 @@ done_free_sp:
 	sp->free(sp);
 	fcport->flags &= ~FCF_ASYNC_SENT;
 done:
+	fcport->flags &= ~FCF_ASYNC_ACTIVE;
 	return rval;
 }
 
@@ -263,7 +264,7 @@ qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 done_free_sp:
 	sp->free(sp);
 done:
-	fcport->flags &= ~FCF_ASYNC_SENT;
+	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 	return rval;
 }
 
@@ -271,6 +272,7 @@ void
 qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport,
     uint16_t *data)
 {
+	fcport->flags &= ~FCF_ASYNC_ACTIVE;
 	/* Don't re-login in target mode */
 	if (!fcport->tgt_session)
 		qla2x00_mark_device_lost(vha, fcport, 1, 0);
@@ -284,6 +286,7 @@ qla2x00_async_prlo_sp_done(void *s, int res)
 	struct srb_iocb *lio = &sp->u.iocb_cmd;
 	struct scsi_qla_host *vha = sp->vha;
 
+	sp->fcport->flags &= ~FCF_ASYNC_ACTIVE;
 	if (!test_bit(UNLOADING, &vha->dpc_flags))
 		qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport,
 		    lio->u.logio.data);
@@ -322,6 +325,7 @@ qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport)
 done_free_sp:
 	sp->free(sp);
 done:
+	fcport->flags &= ~FCF_ASYNC_ACTIVE;
 	return rval;
 }
 
@@ -375,6 +379,8 @@ qla2x00_async_adisc_sp_done(void *ptr, int res)
 	    "Async done-%s res %x %8phC\n",
 	    sp->name, res, sp->fcport->port_name);
 
+	sp->fcport->flags &= ~FCF_ASYNC_SENT;
+
 	memset(&ea, 0, sizeof(ea));
 	ea.event = FCME_ADISC_DONE;
 	ea.rc = res;
@@ -425,7 +431,7 @@ qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 done_free_sp:
 	sp->free(sp);
 done:
-	fcport->flags &= ~FCF_ASYNC_SENT;
+	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 	qla2x00_post_async_adisc_work(vha, fcport, data);
 	return rval;
 }
@@ -643,8 +649,7 @@ qla24xx_async_gnl_sp_done(void *s, int res)
 		    (loop_id & 0x7fff));
 	}
 
-	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
-	vha->gnl.sent = 0;
+	spin_lock_irqsave(&vha->gnl.fcports_lock, flags);
 
 	INIT_LIST_HEAD(&h);
 	fcport = tf = NULL;
@@ -653,12 +658,16 @@ qla24xx_async_gnl_sp_done(void *s, int res)
 
 	list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
 		list_del_init(&fcport->gnl_entry);
+		spin_lock(&vha->hw->tgt.sess_lock);
 		fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
+		spin_unlock(&vha->hw->tgt.sess_lock);
 		ea.fcport = fcport;
 
 		qla2x00_fcport_event_handler(vha, &ea);
 	}
+	spin_unlock_irqrestore(&vha->gnl.fcports_lock, flags);
 
+	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 	/* create new fcport if fw has knowledge of new sessions */
 	for (i = 0; i < n; i++) {
 		port_id_t id;
@@ -710,18 +719,21 @@ int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
 	ql_dbg(ql_dbg_disc, vha, 0x20d9,
 	    "Async-gnlist WWPN %8phC \n", fcport->port_name);
 
-	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+	spin_lock_irqsave(&vha->gnl.fcports_lock, flags);
+	if (!list_empty(&fcport->gnl_entry)) {
+		spin_unlock_irqrestore(&vha->gnl.fcports_lock, flags);
+		rval = QLA_SUCCESS;
+		goto done;
+	}
+
+	spin_lock(&vha->hw->tgt.sess_lock);
 	fcport->disc_state = DSC_GNL;
 	fcport->last_rscn_gen = fcport->rscn_gen;
 	fcport->last_login_gen = fcport->login_gen;
+	spin_unlock(&vha->hw->tgt.sess_lock);
 
 	list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
-	if (vha->gnl.sent) {
-		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
-		return QLA_SUCCESS;
-	}
-	vha->gnl.sent = 1;
-	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+	spin_unlock_irqrestore(&vha->gnl.fcports_lock, flags);
 
 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 	if (!sp)
@@ -1049,6 +1061,7 @@ void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
 	fc_port_t *fcport = ea->fcport;
 	struct port_database_24xx *pd;
 	struct srb *sp = ea->sp;
+	uint8_t	ls;
 
 	pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
 
@@ -1061,7 +1074,12 @@ void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
 	if (fcport->disc_state == DSC_DELETE_PEND)
 		return;
 
-	switch (pd->current_login_state) {
+	if (fcport->fc4f_nvme)
+		ls = pd->current_login_state >> 4;
+	else
+		ls = pd->current_login_state & 0xf;
+
+	switch (ls) {
 	case PDS_PRLI_COMPLETE:
 		__qla24xx_parse_gpdb(vha, fcport, pd);
 		break;
@@ -1151,8 +1169,9 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
 	if (fcport->scan_state != QLA_FCPORT_FOUND)
 		return 0;
 
-	if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
-	    (fcport->fw_login_state == DSC_LS_PRLI_PEND))
+	if ((fcport->loop_id != FC_NO_LOOP_ID) &&
+	    ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
+	     (fcport->fw_login_state == DSC_LS_PRLI_PEND)))
 		return 0;
 
 	if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
@@ -1527,6 +1546,7 @@ qla24xx_abort_sp_done(void *ptr, int res)
 	srb_t *sp = ptr;
 	struct srb_iocb *abt = &sp->u.iocb_cmd;
 
+	del_timer(&sp->u.iocb_cmd.timer);
 	complete(&abt->u.abt.comp);
 }
 
@@ -1791,6 +1811,7 @@ qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 	qla2x00_mark_device_lost(vha, fcport, 1, 0);
 	qlt_logo_completion_handler(fcport, data[0]);
 	fcport->login_gen++;
+	fcport->flags &= ~FCF_ASYNC_ACTIVE;
 	return;
 }
 
@@ -1798,6 +1819,7 @@ void
 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
     uint16_t *data)
 {
+	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 	if (data[0] == MBS_COMMAND_COMPLETE) {
 		qla2x00_update_fcport(vha, fcport);
 
@@ -1805,7 +1827,6 @@ qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 	}
 
 	/* Retry login. */
-	fcport->flags &= ~FCF_ASYNC_SENT;
 	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 	else
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index afcb5567998a..5c5dcca4d1da 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -454,7 +454,7 @@ static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
 	ha->req_q_map[0] = req;
 	set_bit(0, ha->rsp_qid_map);
 	set_bit(0, ha->req_qid_map);
-	return 1;
+	return 0;
 
 fail_qpair_map:
 	kfree(ha->base_qpair);
@@ -471,6 +471,9 @@ fail_req_map:
 
 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
 {
+	if (!ha->req_q_map)
+		return;
+
 	if (IS_QLAFX00(ha)) {
 		if (req && req->ring_fx00)
 			dma_free_coherent(&ha->pdev->dev,
@@ -481,14 +484,17 @@ static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
 		(req->length + 1) * sizeof(request_t),
 		req->ring, req->dma);
 
-	if (req)
+	if (req) {
 		kfree(req->outstanding_cmds);
-
-	kfree(req);
+		kfree(req);
+	}
 }
 
 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
 {
+	if (!ha->rsp_q_map)
+		return;
+
 	if (IS_QLAFX00(ha)) {
 		if (rsp && rsp->ring)
 			dma_free_coherent(&ha->pdev->dev,
@@ -499,7 +505,8 @@ static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
 		(rsp->length + 1) * sizeof(response_t),
 		rsp->ring, rsp->dma);
 	}
-	kfree(rsp);
+	if (rsp)
+		kfree(rsp);
 }
 
 static void qla2x00_free_queues(struct qla_hw_data *ha)
@@ -1723,6 +1730,8 @@ __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
 	struct qla_tgt_cmd *cmd;
 	uint8_t trace = 0;
 
+	if (!ha->req_q_map)
+		return;
 	spin_lock_irqsave(qp->qp_lock_ptr, flags);
 	req = qp->req;
 	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
@@ -3095,14 +3104,14 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	/* Set up the irqs */
 	ret = qla2x00_request_irqs(ha, rsp);
 	if (ret)
-		goto probe_hw_failed;
+		goto probe_failed;
 
 	/* Alloc arrays of request and response ring ptrs */
-	if (!qla2x00_alloc_queues(ha, req, rsp)) {
+	if (qla2x00_alloc_queues(ha, req, rsp)) {
 		ql_log(ql_log_fatal, base_vha, 0x003d,
 		    "Failed to allocate memory for queue pointers..."
 		    "aborting.\n");
-		goto probe_init_failed;
+		goto probe_failed;
 	}
 
 	if (ha->mqenable && shost_use_blk_mq(host)) {
@@ -3387,15 +3396,6 @@ skip_dpc:
 
 	return 0;
 
-probe_init_failed:
-	qla2x00_free_req_que(ha, req);
-	ha->req_q_map[0] = NULL;
-	clear_bit(0, ha->req_qid_map);
-	qla2x00_free_rsp_que(ha, rsp);
-	ha->rsp_q_map[0] = NULL;
-	clear_bit(0, ha->rsp_qid_map);
-	ha->max_req_queues = ha->max_rsp_queues = 0;
-
 probe_failed:
 	if (base_vha->timer_active)
 		qla2x00_stop_timer(base_vha);
@@ -4508,11 +4508,17 @@ qla2x00_mem_free(struct qla_hw_data *ha)
 	if (ha->init_cb)
 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
 			ha->init_cb, ha->init_cb_dma);
-	vfree(ha->optrom_buffer);
-	kfree(ha->nvram);
-	kfree(ha->npiv_info);
-	kfree(ha->swl);
-	kfree(ha->loop_id_map);
+
+	if (ha->optrom_buffer)
+		vfree(ha->optrom_buffer);
+	if (ha->nvram)
+		kfree(ha->nvram);
+	if (ha->npiv_info)
+		kfree(ha->npiv_info);
+	if (ha->swl)
+		kfree(ha->swl);
+	if (ha->loop_id_map)
+		kfree(ha->loop_id_map);
 
 	ha->srb_mempool = NULL;
 	ha->ctx_mempool = NULL;
@@ -4528,6 +4534,15 @@ qla2x00_mem_free(struct qla_hw_data *ha)
 	ha->ex_init_cb_dma = 0;
 	ha->async_pd = NULL;
 	ha->async_pd_dma = 0;
+	ha->loop_id_map = NULL;
+	ha->npiv_info = NULL;
+	ha->optrom_buffer = NULL;
+	ha->swl = NULL;
+	ha->nvram = NULL;
+	ha->mctp_dump = NULL;
+	ha->dcbx_tlv = NULL;
+	ha->xgmac_data = NULL;
+	ha->sfp_data = NULL;
 
 	ha->s_dma_pool = NULL;
 	ha->dl_dma_pool = NULL;
@@ -4577,6 +4592,7 @@ struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
 
 	spin_lock_init(&vha->work_lock);
 	spin_lock_init(&vha->cmd_list_lock);
+	spin_lock_init(&vha->gnl.fcports_lock);
 	init_waitqueue_head(&vha->fcport_waitQ);
 	init_waitqueue_head(&vha->vref_waitq);
 
@@ -4806,9 +4822,12 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
 			fcport->d_id = e->u.new_sess.id;
 			fcport->flags |= FCF_FABRIC_DEVICE;
 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
-			if (e->u.new_sess.fc4_type == FC4_TYPE_FCP_SCSI)
+			if (e->u.new_sess.fc4_type == FC4_TYPE_FCP_SCSI) {
 				fcport->fc4_type = FC4_TYPE_FCP_SCSI;
-
+			} else if (e->u.new_sess.fc4_type == FC4_TYPE_NVME) {
+				fcport->fc4_type = FC4_TYPE_OTHER;
+				fcport->fc4f_nvme = FC4_TYPE_NVME;
+			}
 			memcpy(fcport->port_name, e->u.new_sess.port_name,
 			    WWN_SIZE);
 		} else {
@@ -4877,6 +4896,8 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
 			}
 			qlt_plogi_ack_unref(vha, pla);
 		} else {
+			fc_port_t *dfcp = NULL;
+
 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 			tfcp = qla2x00_find_fcport_by_nportid(vha,
 			    &e->u.new_sess.id, 1);
@@ -4899,11 +4920,13 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
 				default:
 					fcport->login_pause = 1;
 					tfcp->conflict = fcport;
-					qlt_schedule_sess_for_deletion(tfcp);
+					dfcp = tfcp;
 					break;
 				}
 			}
 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+			if (dfcp)
+				qlt_schedule_sess_for_deletion(tfcp);
 
 			wwn = wwn_to_u64(fcport->node_name);
 
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 896b2d8bd803..b49ac85f3de2 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -1224,10 +1224,10 @@ static void qla24xx_chk_fcp_state(struct fc_port *sess)
 	}
 }
 
-/* ha->tgt.sess_lock supposed to be held on entry */
 void qlt_schedule_sess_for_deletion(struct fc_port *sess)
 {
 	struct qla_tgt *tgt = sess->tgt;
+	struct qla_hw_data *ha = sess->vha->hw;
 	unsigned long flags;
 
 	if (sess->disc_state == DSC_DELETE_PEND)
@@ -1244,16 +1244,16 @@ void qlt_schedule_sess_for_deletion(struct fc_port *sess)
 			return;
 	}
 
+	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
 	if (sess->deleted == QLA_SESS_DELETED)
 		sess->logout_on_delete = 0;
 
-	spin_lock_irqsave(&sess->vha->work_lock, flags);
 	if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
-		spin_unlock_irqrestore(&sess->vha->work_lock, flags);
+		spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
 		return;
 	}
 	sess->deleted = QLA_SESS_DELETION_IN_PROGRESS;
-	spin_unlock_irqrestore(&sess->vha->work_lock, flags);
+	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
 
 	sess->disc_state = DSC_DELETE_PEND;
 
@@ -1262,13 +1262,10 @@ void qlt_schedule_sess_for_deletion(struct fc_port *sess)
 	ql_dbg(ql_dbg_tgt, sess->vha, 0xe001,
 	    "Scheduling sess %p for deletion\n", sess);
 
-	/* use cancel to push work element through before re-queue */
-	cancel_work_sync(&sess->del_work);
 	INIT_WORK(&sess->del_work, qla24xx_delete_sess_fn);
-	queue_work(sess->vha->hw->wq, &sess->del_work);
+	WARN_ON(!queue_work(sess->vha->hw->wq, &sess->del_work));
 }
 
-/* ha->tgt.sess_lock supposed to be held on entry */
 static void qlt_clear_tgt_db(struct qla_tgt *tgt)
 {
 	struct fc_port *sess;
@@ -1451,8 +1448,8 @@ qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport, int max_gen)
 	ql_dbg(ql_dbg_tgt_mgt, vha, 0xf008, "qla_tgt_fc_port_deleted %p", sess);
 
 	sess->local = 1;
-	qlt_schedule_sess_for_deletion(sess);
 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+	qlt_schedule_sess_for_deletion(sess);
 }
 
 static inline int test_tgt_sess_count(struct qla_tgt *tgt)
@@ -1512,10 +1509,8 @@ int qlt_stop_phase1(struct qla_tgt *tgt)
 	 * Lock is needed, because we still can get an incoming packet.
 	 */
 	mutex_lock(&vha->vha_tgt.tgt_mutex);
-	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
 	tgt->tgt_stop = 1;
 	qlt_clear_tgt_db(tgt);
-	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
 	mutex_unlock(&vha->vha_tgt.tgt_mutex);
 	mutex_unlock(&qla_tgt_mutex);
 
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index d042915ce895..ca53a5f785ee 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -223,7 +223,8 @@ static void scsi_eh_reset(struct scsi_cmnd *scmd)
 
 static void scsi_eh_inc_host_failed(struct rcu_head *head)
 {
-	struct Scsi_Host *shost = container_of(head, typeof(*shost), rcu);
+	struct scsi_cmnd *scmd = container_of(head, typeof(*scmd), rcu);
+	struct Scsi_Host *shost = scmd->device->host;
 	unsigned long flags;
 
 	spin_lock_irqsave(shost->host_lock, flags);
@@ -259,7 +260,7 @@ void scsi_eh_scmd_add(struct scsi_cmnd *scmd)
 	 * Ensure that all tasks observe the host state change before the
 	 * host_failed change.
 	 */
-	call_rcu(&shost->rcu, scsi_eh_inc_host_failed);
+	call_rcu(&scmd->rcu, scsi_eh_inc_host_failed);
 }
 
 /**
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index a86df9ca7d1c..c84f931388f2 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -671,6 +671,7 @@ static bool scsi_end_request(struct request *req, blk_status_t error,
 	if (!blk_rq_is_scsi(req)) {
 		WARN_ON_ONCE(!(cmd->flags & SCMD_INITIALIZED));
 		cmd->flags &= ~SCMD_INITIALIZED;
+		destroy_rcu_head(&cmd->rcu);
 	}
 
 	if (req->mq_ctx) {
@@ -720,6 +721,8 @@ static blk_status_t __scsi_error_from_host_byte(struct scsi_cmnd *cmd,
 		int result)
 {
 	switch (host_byte(result)) {
+	case DID_OK:
+		return BLK_STS_OK;
 	case DID_TRANSPORT_FAILFAST:
 		return BLK_STS_TRANSPORT;
 	case DID_TARGET_FAILURE:
@@ -1151,6 +1154,7 @@ static void scsi_initialize_rq(struct request *rq)
 	struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq);
 
 	scsi_req_init(&cmd->req);
+	init_rcu_head(&cmd->rcu);
 	cmd->jiffies_at_alloc = jiffies;
 	cmd->retries = 0;
 }
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index bff21e636ddd..3541caf3fceb 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2595,6 +2595,7 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, unsigned char *buffer)
 	int res;
 	struct scsi_device *sdp = sdkp->device;
 	struct scsi_mode_data data;
+	int disk_ro = get_disk_ro(sdkp->disk);
 	int old_wp = sdkp->write_prot;
 
 	set_disk_ro(sdkp->disk, 0);
@@ -2635,7 +2636,7 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, unsigned char *buffer)
 			  "Test WP failed, assume Write Enabled\n");
 	} else {
 		sdkp->write_prot = ((data.device_specific & 0x80) != 0);
-		set_disk_ro(sdkp->disk, sdkp->write_prot);
+		set_disk_ro(sdkp->disk, sdkp->write_prot || disk_ro);
 		if (sdkp->first_scan || old_wp != sdkp->write_prot) {
 			sd_printk(KERN_NOTICE, sdkp, "Write Protect is %s\n",
 				  sdkp->write_prot ? "on" : "off");
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c
index 6c348a211ebb..89cf4498f535 100644
--- a/drivers/scsi/sd_zbc.c
+++ b/drivers/scsi/sd_zbc.c
@@ -403,7 +403,7 @@ static int sd_zbc_check_capacity(struct scsi_disk *sdkp, unsigned char *buf)
  */
 static int sd_zbc_check_zone_size(struct scsi_disk *sdkp)
 {
-	u64 zone_blocks;
+	u64 zone_blocks = 0;
 	sector_t block = 0;
 	unsigned char *buf;
 	unsigned char *rec;
@@ -421,10 +421,8 @@ static int sd_zbc_check_zone_size(struct scsi_disk *sdkp)
 
 	/* Do a report zone to get the same field */
 	ret = sd_zbc_report_zones(sdkp, buf, SD_ZBC_BUF_SIZE, 0);
-	if (ret) {
-		zone_blocks = 0;
-		goto out;
-	}
+	if (ret)
+		goto out_free;
 
 	same = buf[4] & 0x0f;
 	if (same > 0) {
@@ -464,7 +462,7 @@ static int sd_zbc_check_zone_size(struct scsi_disk *sdkp)
 			ret = sd_zbc_report_zones(sdkp, buf,
 						  SD_ZBC_BUF_SIZE, block);
 			if (ret)
-				return ret;
+				goto out_free;
 		}
 
 	} while (block < sdkp->capacity);
@@ -472,35 +470,32 @@ static int sd_zbc_check_zone_size(struct scsi_disk *sdkp)
 	zone_blocks = sdkp->zone_blocks;
 
 out:
-	kfree(buf);
-
 	if (!zone_blocks) {
 		if (sdkp->first_scan)
 			sd_printk(KERN_NOTICE, sdkp,
 				  "Devices with non constant zone "
 				  "size are not supported\n");
-		return -ENODEV;
-	}
-
-	if (!is_power_of_2(zone_blocks)) {
+		ret = -ENODEV;
+	} else if (!is_power_of_2(zone_blocks)) {
 		if (sdkp->first_scan)
 			sd_printk(KERN_NOTICE, sdkp,
 				  "Devices with non power of 2 zone "
 				  "size are not supported\n");
-		return -ENODEV;
-	}
-
-	if (logical_to_sectors(sdkp->device, zone_blocks) > UINT_MAX) {
+		ret = -ENODEV;
+	} else if (logical_to_sectors(sdkp->device, zone_blocks) > UINT_MAX) {
 		if (sdkp->first_scan)
 			sd_printk(KERN_NOTICE, sdkp,
 				  "Zone size too large\n");
-		return -ENODEV;
+		ret = -ENODEV;
+	} else {
+		sdkp->zone_blocks = zone_blocks;
+		sdkp->zone_shift = ilog2(zone_blocks);
 	}
 
-	sdkp->zone_blocks = zone_blocks;
-	sdkp->zone_shift = ilog2(zone_blocks);
+out_free:
+	kfree(buf);
 
-	return 0;
+	return ret;
 }
 
 /**
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 6be5ab32c94f..8c51d628b52e 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1311,7 +1311,8 @@ static int storvsc_do_io(struct hv_device *device,
 			 */
 			cpumask_and(&alloced_mask, &stor_device->alloced_cpus,
 				    cpumask_of_node(cpu_to_node(q_num)));
-			for_each_cpu(tgt_cpu, &alloced_mask) {
+			for_each_cpu_wrap(tgt_cpu, &alloced_mask,
+					outgoing_channel->target_cpu + 1) {
 				if (tgt_cpu != outgoing_channel->target_cpu) {
 					outgoing_channel =
 					stor_device->stor_chns[tgt_cpu];
diff --git a/drivers/soc/imx/gpc.c b/drivers/soc/imx/gpc.c
index cfb42f5eccb2..750f93197411 100644
--- a/drivers/soc/imx/gpc.c
+++ b/drivers/soc/imx/gpc.c
@@ -470,13 +470,21 @@ static int imx_gpc_probe(struct platform_device *pdev)
 
 static int imx_gpc_remove(struct platform_device *pdev)
 {
+	struct device_node *pgc_node;
 	int ret;
 
+	pgc_node = of_get_child_by_name(pdev->dev.of_node, "pgc");
+
+	/* bail out if DT too old and doesn't provide the necessary info */
+	if (!of_property_read_bool(pdev->dev.of_node, "#power-domain-cells") &&
+	    !pgc_node)
+		return 0;
+
 	/*
 	 * If the old DT binding is used the toplevel driver needs to
 	 * de-register the power domains
 	 */
-	if (!of_get_child_by_name(pdev->dev.of_node, "pgc")) {
+	if (!pgc_node) {
 		of_genpd_del_provider(pdev->dev.of_node);
 
 		ret = pm_genpd_remove(&imx_gpc_domains[GPC_PGC_DOMAIN_PU].base);
diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c
index 6dbba5aff191..86580b6df33d 100644
--- a/drivers/staging/android/ashmem.c
+++ b/drivers/staging/android/ashmem.c
@@ -326,24 +326,23 @@ static loff_t ashmem_llseek(struct file *file, loff_t offset, int origin)
 	mutex_lock(&ashmem_mutex);
 
 	if (asma->size == 0) {
-		ret = -EINVAL;
-		goto out;
+		mutex_unlock(&ashmem_mutex);
+		return -EINVAL;
 	}
 
 	if (!asma->file) {
-		ret = -EBADF;
-		goto out;
+		mutex_unlock(&ashmem_mutex);
+		return -EBADF;
 	}
 
+	mutex_unlock(&ashmem_mutex);
+
 	ret = vfs_llseek(asma->file, offset, origin);
 	if (ret < 0)
-		goto out;
+		return ret;
 
 	/** Copy f_pos from backing file, since f_ops->llseek() sets it */
 	file->f_pos = asma->file->f_pos;
-
-out:
-	mutex_unlock(&ashmem_mutex);
 	return ret;
 }
 
@@ -702,16 +701,14 @@ static int ashmem_pin_unpin(struct ashmem_area *asma, unsigned long cmd,
 	size_t pgstart, pgend;
 	int ret = -EINVAL;
 
+	if (unlikely(copy_from_user(&pin, p, sizeof(pin))))
+		return -EFAULT;
+
 	mutex_lock(&ashmem_mutex);
 
 	if (unlikely(!asma->file))
 		goto out_unlock;
 
-	if (unlikely(copy_from_user(&pin, p, sizeof(pin)))) {
-		ret = -EFAULT;
-		goto out_unlock;
-	}
-
 	/* per custom, you can pass zero for len to mean "everything onward" */
 	if (!pin.len)
 		pin.len = PAGE_ALIGN(asma->size) - pin.offset;
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index e618a87521a3..9d733471ca2e 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -475,8 +475,7 @@ unsigned int comedi_nsamples_left(struct comedi_subdevice *s,
 	struct comedi_cmd *cmd = &async->cmd;
 
 	if (cmd->stop_src == TRIG_COUNT) {
-		unsigned int nscans = nsamples / cmd->scan_end_arg;
-		unsigned int scans_left = __comedi_nscans_left(s, nscans);
+		unsigned int scans_left = __comedi_nscans_left(s, cmd->stop_arg);
 		unsigned int scan_pos =
 		    comedi_bytes_to_samples(s, async->scan_progress);
 		unsigned long long samples_left = 0;
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 5c0e59e8fe46..cbe98bc2b998 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -2180,6 +2180,12 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
 				}
 				if (tty_hung_up_p(file))
 					break;
+				/*
+				 * Abort readers for ttys which never actually
+				 * get hung up.  See __tty_hangup().
+				 */
+				if (test_bit(TTY_HUPPING, &tty->flags))
+					break;
 				if (!timeout)
 					break;
 				if (file->f_flags & O_NONBLOCK) {
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 54adf8d56350..a93f77ab3da0 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -3387,11 +3387,9 @@ static int serial_pci_is_class_communication(struct pci_dev *dev)
 	/*
 	 * If it is not a communications device or the programming
 	 * interface is greater than 6, give up.
-	 *
-	 * (Should we try to make guesses for multiport serial devices
-	 * later?)
 	 */
 	if ((((dev->class >> 8) != PCI_CLASS_COMMUNICATION_SERIAL) &&
+	     ((dev->class >> 8) != PCI_CLASS_COMMUNICATION_MULTISERIAL) &&
 	     ((dev->class >> 8) != PCI_CLASS_COMMUNICATION_MODEM)) ||
 	    (dev->class & 0xff) > 6)
 		return -ENODEV;
@@ -3428,6 +3426,12 @@ serial_pci_guess_board(struct pci_dev *dev, struct pciserial_board *board)
 {
 	int num_iomem, num_port, first_port = -1, i;
 
+	/*
+	 * Should we try to make guesses for multiport serial devices later?
+	 */
+	if ((dev->class >> 8) == PCI_CLASS_COMMUNICATION_MULTISERIAL)
+		return -ENODEV;
+
 	num_iomem = num_port = 0;
 	for (i = 0; i < PCI_NUM_BAR_RESOURCES; i++) {
 		if (pci_resource_flags(dev, i) & IORESOURCE_IO) {
@@ -4699,6 +4703,17 @@ static const struct pci_device_id serial_pci_tbl[] = {
 		PCI_ANY_ID, PCI_ANY_ID, 0, 0,    /* 135a.0dc0 */
 		pbn_b2_4_115200 },
 	/*
+	 * BrainBoxes UC-260
+	 */
+	{	PCI_VENDOR_ID_INTASHIELD, 0x0D21,
+		PCI_ANY_ID, PCI_ANY_ID,
+		PCI_CLASS_COMMUNICATION_MULTISERIAL << 8, 0xffff00,
+		pbn_b2_4_115200 },
+	{	PCI_VENDOR_ID_INTASHIELD, 0x0E34,
+		PCI_ANY_ID, PCI_ANY_ID,
+		 PCI_CLASS_COMMUNICATION_MULTISERIAL << 8, 0xffff00,
+		pbn_b2_4_115200 },
+	/*
 	 * Perle PCI-RAS cards
 	 */
 	{       PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9030,
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index df46a9e88c34..e287fe8f10fc 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -1734,6 +1734,7 @@ static void atmel_get_ip_name(struct uart_port *port)
 		switch (version) {
 		case 0x302:
 		case 0x10213:
+		case 0x10302:
 			dev_dbg(port->dev, "This version is usart\n");
 			atmel_port->has_frac_baudrate = true;
 			atmel_port->has_hw_timer = true;
diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c
index 870e84fb6e39..a24278380fec 100644
--- a/drivers/tty/serial/earlycon.c
+++ b/drivers/tty/serial/earlycon.c
@@ -245,11 +245,12 @@ int __init of_setup_earlycon(const struct earlycon_id *match,
 	}
 	port->mapbase = addr;
 	port->uartclk = BASE_BAUD * 16;
-	port->membase = earlycon_map(port->mapbase, SZ_4K);
 
 	val = of_get_flat_dt_prop(node, "reg-offset", NULL);
 	if (val)
 		port->mapbase += be32_to_cpu(*val);
+	port->membase = earlycon_map(port->mapbase, SZ_4K);
+
 	val = of_get_flat_dt_prop(node, "reg-shift", NULL);
 	if (val)
 		port->regshift = be32_to_cpu(*val);
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 1d7ca382bc12..a33c685af990 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -2093,7 +2093,7 @@ static int serial_imx_probe(struct platform_device *pdev)
 	uart_get_rs485_mode(&pdev->dev, &sport->port.rs485);
 
 	if (sport->port.rs485.flags & SER_RS485_ENABLED &&
-	    (!sport->have_rtscts || !sport->have_rtsgpio))
+	    (!sport->have_rtscts && !sport->have_rtsgpio))
 		dev_err(&pdev->dev, "no RTS control, disabling rs485\n");
 
 	imx_rs485_config(&sport->port, &sport->port.rs485);
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index c8dde56b532b..35b9201db3b4 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -1144,6 +1144,8 @@ static int uart_do_autoconfig(struct tty_struct *tty,struct uart_state *state)
 		uport->ops->config_port(uport, flags);
 
 		ret = uart_startup(tty, state, 1);
+		if (ret == 0)
+			tty_port_set_initialized(port, true);
 		if (ret > 0)
 			ret = 0;
 	}
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 7257c078e155..44adf9db38f8 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -885,6 +885,8 @@ static void sci_receive_chars(struct uart_port *port)
 		/* Tell the rest of the system the news. New characters! */
 		tty_flip_buffer_push(tport);
 	} else {
+		/* TTY buffers full; read from RX reg to prevent lockup */
+		serial_port_in(port, SCxRDR);
 		serial_port_in(port, SCxSR); /* dummy read */
 		sci_clear_SCxSR(port, SCxSR_RDxF_CLEAR(port));
 	}
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index eb9133b472f4..63114ea35ec1 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -586,6 +586,14 @@ static void __tty_hangup(struct tty_struct *tty, int exit_session)
 		return;
 	}
 
+	/*
+	 * Some console devices aren't actually hung up for technical and
+	 * historical reasons, which can lead to indefinite interruptible
+	 * sleep in n_tty_read().  The following explicitly tells
+	 * n_tty_read() to abort readers.
+	 */
+	set_bit(TTY_HUPPING, &tty->flags);
+
 	/* inuse_filps is protected by the single tty lock,
 	   this really needs to change if we want to flush the
 	   workqueue with the lock held */
@@ -640,6 +648,7 @@ static void __tty_hangup(struct tty_struct *tty, int exit_session)
 	 * from the ldisc side, which is now guaranteed.
 	 */
 	set_bit(TTY_HUPPED, &tty->flags);
+	clear_bit(TTY_HUPPING, &tty->flags);
 	tty_unlock(tty);
 
 	if (f)
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index c64cf6c4a83d..0c11d40a12bc 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -151,6 +151,10 @@ int usb_control_msg(struct usb_device *dev, unsigned int pipe, __u8 request,
 
 	ret = usb_internal_control_msg(dev, pipe, dr, data, size, timeout);
 
+	/* Linger a bit, prior to the next control message. */
+	if (dev->quirks & USB_QUIRK_DELAY_CTRL_MSG)
+		msleep(200);
+
 	kfree(dr);
 
 	return ret;
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index f4a548471f0f..54b019e267c5 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -230,7 +230,8 @@ static const struct usb_device_id usb_quirk_list[] = {
 	{ USB_DEVICE(0x1b1c, 0x1b13), .driver_info = USB_QUIRK_DELAY_INIT },
 
 	/* Corsair Strafe RGB */
-	{ USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT },
+	{ USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT |
+	  USB_QUIRK_DELAY_CTRL_MSG },
 
 	/* Corsair K70 LUX */
 	{ USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT },
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index 03fd20f0b496..c4a47496d2fb 100644
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -137,7 +137,7 @@ static void dwc2_set_stm32f4x9_fsotg_params(struct dwc2_hsotg *hsotg)
 	p->activate_stm_fs_transceiver = true;
 }
 
-static void dwc2_set_stm32f7xx_hsotg_params(struct dwc2_hsotg *hsotg)
+static void dwc2_set_stm32f7_hsotg_params(struct dwc2_hsotg *hsotg)
 {
 	struct dwc2_core_params *p = &hsotg->params;
 
@@ -164,8 +164,8 @@ const struct of_device_id dwc2_of_match_table[] = {
 	{ .compatible = "st,stm32f4x9-fsotg",
 	  .data = dwc2_set_stm32f4x9_fsotg_params },
 	{ .compatible = "st,stm32f4x9-hsotg" },
-	{ .compatible = "st,stm32f7xx-hsotg",
-	  .data = dwc2_set_stm32f7xx_hsotg_params },
+	{ .compatible = "st,stm32f7-hsotg",
+	  .data = dwc2_set_stm32f7_hsotg_params },
 	{},
 };
 MODULE_DEVICE_TABLE(of, dwc2_of_match_table);
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index f1d838a4acd6..e94bf91cc58a 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -175,7 +175,7 @@ void dwc3_set_mode(struct dwc3 *dwc, u32 mode)
 	dwc->desired_dr_role = mode;
 	spin_unlock_irqrestore(&dwc->lock, flags);
 
-	queue_work(system_power_efficient_wq, &dwc->drd_work);
+	queue_work(system_freezable_wq, &dwc->drd_work);
 }
 
 u32 dwc3_core_fifo_space(struct dwc3_ep *dep, u8 type)
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index c2592d883f67..d2428a9e8900 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -1538,7 +1538,6 @@ ffs_fs_kill_sb(struct super_block *sb)
 	if (sb->s_fs_info) {
 		ffs_release_dev(sb->s_fs_info);
 		ffs_data_closed(sb->s_fs_info);
-		ffs_data_put(sb->s_fs_info);
 	}
 }
 
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 84f88fa411cd..d088c340e4d0 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -447,7 +447,8 @@ static int ohci_init (struct ohci_hcd *ohci)
 	struct usb_hcd *hcd = ohci_to_hcd(ohci);
 
 	/* Accept arbitrarily long scatter-gather lists */
-	hcd->self.sg_tablesize = ~0;
+	if (!(hcd->driver->flags & HCD_LOCAL_MEM))
+		hcd->self.sg_tablesize = ~0;
 
 	if (distrust_firmware)
 		ohci->flags |= OHCI_QUIRK_HUB_POWER;
diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c
index a1ab8acf39ba..c359bae7b754 100644
--- a/drivers/usb/host/xhci-dbgcap.c
+++ b/drivers/usb/host/xhci-dbgcap.c
@@ -328,13 +328,14 @@ dbc_ep_do_queue(struct dbc_ep *dep, struct dbc_request *req)
 int dbc_ep_queue(struct dbc_ep *dep, struct dbc_request *req,
 		 gfp_t gfp_flags)
 {
+	unsigned long		flags;
 	struct xhci_dbc		*dbc = dep->dbc;
 	int			ret = -ESHUTDOWN;
 
-	spin_lock(&dbc->lock);
+	spin_lock_irqsave(&dbc->lock, flags);
 	if (dbc->state == DS_CONFIGURED)
 		ret = dbc_ep_do_queue(dep, req);
-	spin_unlock(&dbc->lock);
+	spin_unlock_irqrestore(&dbc->lock, flags);
 
 	mod_delayed_work(system_wq, &dbc->event_work, 0);
 
@@ -521,15 +522,16 @@ static void xhci_do_dbc_stop(struct xhci_hcd *xhci)
 static int xhci_dbc_start(struct xhci_hcd *xhci)
 {
 	int			ret;
+	unsigned long		flags;
 	struct xhci_dbc		*dbc = xhci->dbc;
 
 	WARN_ON(!dbc);
 
 	pm_runtime_get_sync(xhci_to_hcd(xhci)->self.controller);
 
-	spin_lock(&dbc->lock);
+	spin_lock_irqsave(&dbc->lock, flags);
 	ret = xhci_do_dbc_start(xhci);
-	spin_unlock(&dbc->lock);
+	spin_unlock_irqrestore(&dbc->lock, flags);
 
 	if (ret) {
 		pm_runtime_put(xhci_to_hcd(xhci)->self.controller);
@@ -541,6 +543,7 @@ static int xhci_dbc_start(struct xhci_hcd *xhci)
 
 static void xhci_dbc_stop(struct xhci_hcd *xhci)
 {
+	unsigned long		flags;
 	struct xhci_dbc		*dbc = xhci->dbc;
 	struct dbc_port		*port = &dbc->port;
 
@@ -551,9 +554,9 @@ static void xhci_dbc_stop(struct xhci_hcd *xhci)
 	if (port->registered)
 		xhci_dbc_tty_unregister_device(xhci);
 
-	spin_lock(&dbc->lock);
+	spin_lock_irqsave(&dbc->lock, flags);
 	xhci_do_dbc_stop(xhci);
-	spin_unlock(&dbc->lock);
+	spin_unlock_irqrestore(&dbc->lock, flags);
 
 	pm_runtime_put_sync(xhci_to_hcd(xhci)->self.controller);
 }
@@ -779,14 +782,15 @@ static void xhci_dbc_handle_events(struct work_struct *work)
 	int			ret;
 	enum evtreturn		evtr;
 	struct xhci_dbc		*dbc;
+	unsigned long		flags;
 	struct xhci_hcd		*xhci;
 
 	dbc = container_of(to_delayed_work(work), struct xhci_dbc, event_work);
 	xhci = dbc->xhci;
 
-	spin_lock(&dbc->lock);
+	spin_lock_irqsave(&dbc->lock, flags);
 	evtr = xhci_dbc_do_handle_events(dbc);
-	spin_unlock(&dbc->lock);
+	spin_unlock_irqrestore(&dbc->lock, flags);
 
 	switch (evtr) {
 	case EVT_GSER:
diff --git a/drivers/usb/host/xhci-dbgtty.c b/drivers/usb/host/xhci-dbgtty.c
index 8d47b6fbf973..75f0b92694ba 100644
--- a/drivers/usb/host/xhci-dbgtty.c
+++ b/drivers/usb/host/xhci-dbgtty.c
@@ -92,21 +92,23 @@ static void dbc_start_rx(struct dbc_port *port)
 static void
 dbc_read_complete(struct xhci_hcd *xhci, struct dbc_request *req)
 {
+	unsigned long		flags;
 	struct xhci_dbc		*dbc = xhci->dbc;
 	struct dbc_port		*port = &dbc->port;
 
-	spin_lock(&port->port_lock);
+	spin_lock_irqsave(&port->port_lock, flags);
 	list_add_tail(&req->list_pool, &port->read_queue);
 	tasklet_schedule(&port->push);
-	spin_unlock(&port->port_lock);
+	spin_unlock_irqrestore(&port->port_lock, flags);
 }
 
 static void dbc_write_complete(struct xhci_hcd *xhci, struct dbc_request *req)
 {
+	unsigned long		flags;
 	struct xhci_dbc		*dbc = xhci->dbc;
 	struct dbc_port		*port = &dbc->port;
 
-	spin_lock(&port->port_lock);
+	spin_lock_irqsave(&port->port_lock, flags);
 	list_add(&req->list_pool, &port->write_pool);
 	switch (req->status) {
 	case 0:
@@ -119,7 +121,7 @@ static void dbc_write_complete(struct xhci_hcd *xhci, struct dbc_request *req)
 			  req->status);
 		break;
 	}
-	spin_unlock(&port->port_lock);
+	spin_unlock_irqrestore(&port->port_lock, flags);
 }
 
 static void xhci_dbc_free_req(struct dbc_ep *dep, struct dbc_request *req)
@@ -327,12 +329,13 @@ static void dbc_rx_push(unsigned long _port)
 {
 	struct dbc_request	*req;
 	struct tty_struct	*tty;
+	unsigned long		flags;
 	bool			do_push = false;
 	bool			disconnect = false;
 	struct dbc_port		*port = (void *)_port;
 	struct list_head	*queue = &port->read_queue;
 
-	spin_lock_irq(&port->port_lock);
+	spin_lock_irqsave(&port->port_lock, flags);
 	tty = port->port.tty;
 	while (!list_empty(queue)) {
 		req = list_first_entry(queue, struct dbc_request, list_pool);
@@ -392,16 +395,17 @@ static void dbc_rx_push(unsigned long _port)
 	if (!disconnect)
 		dbc_start_rx(port);
 
-	spin_unlock_irq(&port->port_lock);
+	spin_unlock_irqrestore(&port->port_lock, flags);
 }
 
 static int dbc_port_activate(struct tty_port *_port, struct tty_struct *tty)
 {
+	unsigned long	flags;
 	struct dbc_port	*port = container_of(_port, struct dbc_port, port);
 
-	spin_lock_irq(&port->port_lock);
+	spin_lock_irqsave(&port->port_lock, flags);
 	dbc_start_rx(port);
-	spin_unlock_irq(&port->port_lock);
+	spin_unlock_irqrestore(&port->port_lock, flags);
 
 	return 0;
 }
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 5262fa571a5d..d9f831b67e57 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -126,6 +126,9 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 	if (pdev->vendor == PCI_VENDOR_ID_AMD && usb_amd_find_chipset_info())
 		xhci->quirks |= XHCI_AMD_PLL_FIX;
 
+	if (pdev->vendor == PCI_VENDOR_ID_AMD && pdev->device == 0x43bb)
+		xhci->quirks |= XHCI_SUSPEND_DELAY;
+
 	if (pdev->vendor == PCI_VENDOR_ID_AMD)
 		xhci->quirks |= XHCI_TRUST_TX_LENGTH;
 
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 6f038306c14d..6652e2d5bd2e 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -360,7 +360,6 @@ static int __maybe_unused xhci_plat_suspend(struct device *dev)
 {
 	struct usb_hcd	*hcd = dev_get_drvdata(dev);
 	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
-	int ret;
 
 	/*
 	 * xhci_suspend() needs `do_wakeup` to know whether host is allowed
@@ -370,12 +369,7 @@ static int __maybe_unused xhci_plat_suspend(struct device *dev)
 	 * reconsider this when xhci_plat_suspend enlarges its scope, e.g.,
 	 * also applies to runtime suspend.
 	 */
-	ret = xhci_suspend(xhci, device_may_wakeup(dev));
-
-	if (!device_may_wakeup(dev) && !IS_ERR(xhci->clk))
-		clk_disable_unprepare(xhci->clk);
-
-	return ret;
+	return xhci_suspend(xhci, device_may_wakeup(dev));
 }
 
 static int __maybe_unused xhci_plat_resume(struct device *dev)
@@ -384,9 +378,6 @@ static int __maybe_unused xhci_plat_resume(struct device *dev)
 	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
 	int ret;
 
-	if (!device_may_wakeup(dev) && !IS_ERR(xhci->clk))
-		clk_prepare_enable(xhci->clk);
-
 	ret = xhci_priv_resume_quirk(hcd);
 	if (ret)
 		return ret;
diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c
index f0b559660007..f33ffc2bc4ed 100644
--- a/drivers/usb/host/xhci-rcar.c
+++ b/drivers/usb/host/xhci-rcar.c
@@ -83,6 +83,10 @@ static const struct soc_device_attribute rcar_quirks_match[]  = {
 		.soc_id = "r8a7796",
 		.data = (void *)RCAR_XHCI_FIRMWARE_V3,
 	},
+	{
+		.soc_id = "r8a77965",
+		.data = (void *)RCAR_XHCI_FIRMWARE_V3,
+	},
 	{ /* sentinel */ },
 };
 
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 25d4b748a56f..5d37700ae4b0 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -877,6 +877,9 @@ int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup)
 	clear_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags);
 	del_timer_sync(&xhci->shared_hcd->rh_timer);
 
+	if (xhci->quirks & XHCI_SUSPEND_DELAY)
+		usleep_range(1000, 1500);
+
 	spin_lock_irq(&xhci->lock);
 	clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
 	clear_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index e4d7d3d06a75..866e141d4972 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -718,11 +718,12 @@ struct xhci_ep_ctx {
 /* bits 10:14 are Max Primary Streams */
 /* bit 15 is Linear Stream Array */
 /* Interval - period between requests to an endpoint - 125u increments. */
-#define EP_INTERVAL(p)		(((p) & 0xff) << 16)
-#define EP_INTERVAL_TO_UFRAMES(p)		(1 << (((p) >> 16) & 0xff))
-#define CTX_TO_EP_INTERVAL(p)	(((p) >> 16) & 0xff)
-#define EP_MAXPSTREAMS_MASK	(0x1f << 10)
-#define EP_MAXPSTREAMS(p)	(((p) << 10) & EP_MAXPSTREAMS_MASK)
+#define EP_INTERVAL(p)			(((p) & 0xff) << 16)
+#define EP_INTERVAL_TO_UFRAMES(p)	(1 << (((p) >> 16) & 0xff))
+#define CTX_TO_EP_INTERVAL(p)		(((p) >> 16) & 0xff)
+#define EP_MAXPSTREAMS_MASK		(0x1f << 10)
+#define EP_MAXPSTREAMS(p)		(((p) << 10) & EP_MAXPSTREAMS_MASK)
+#define CTX_TO_EP_MAXPSTREAMS(p)	(((p) & EP_MAXPSTREAMS_MASK) >> 10)
 /* Endpoint is set up with a Linear Stream Array (vs. Secondary Stream Array) */
 #define	EP_HAS_LSA		(1 << 15)
 /* hosts with LEC=1 use bits 31:24 as ESIT high bits. */
@@ -1825,6 +1826,7 @@ struct xhci_hcd {
 #define XHCI_U2_DISABLE_WAKE	(1 << 27)
 #define XHCI_ASMEDIA_MODIFY_FLOWCONTROL	(1 << 28)
 #define XHCI_HW_LPM_DISABLE	(1 << 29)
+#define XHCI_SUSPEND_DELAY	(1 << 30)
 
 	unsigned int		num_active_eps;
 	unsigned int		limit_active_eps;
@@ -2549,21 +2551,22 @@ static inline const char *xhci_decode_ep_context(u32 info, u32 info2, u64 deq,
 	u8 burst;
 	u8 cerr;
 	u8 mult;
-	u8 lsa;
-	u8 hid;
+
+	bool lsa;
+	bool hid;
 
 	esit = CTX_TO_MAX_ESIT_PAYLOAD_HI(info) << 16 |
 		CTX_TO_MAX_ESIT_PAYLOAD(tx_info);
 
 	ep_state = info & EP_STATE_MASK;
-	max_pstr = info & EP_MAXPSTREAMS_MASK;
+	max_pstr = CTX_TO_EP_MAXPSTREAMS(info);
 	interval = CTX_TO_EP_INTERVAL(info);
 	mult = CTX_TO_EP_MULT(info) + 1;
-	lsa = info & EP_HAS_LSA;
+	lsa = !!(info & EP_HAS_LSA);
 
 	cerr = (info2 & (3 << 1)) >> 1;
 	ep_type = CTX_TO_EP_TYPE(info2);
-	hid = info2 & (1 << 7);
+	hid = !!(info2 & (1 << 7));
 	burst = CTX_TO_MAX_BURST(info2);
 	maxp = MAX_PACKET_DECODED(info2);
 
diff --git a/drivers/usb/mon/mon_text.c b/drivers/usb/mon/mon_text.c
index f5e1bb5e5217..984f7e12a6a5 100644
--- a/drivers/usb/mon/mon_text.c
+++ b/drivers/usb/mon/mon_text.c
@@ -85,6 +85,8 @@ struct mon_reader_text {
 
 	wait_queue_head_t wait;
 	int printf_size;
+	size_t printf_offset;
+	size_t printf_togo;
 	char *printf_buf;
 	struct mutex printf_lock;
 
@@ -376,75 +378,103 @@ err_alloc:
 	return rc;
 }
 
-/*
- * For simplicity, we read one record in one system call and throw out
- * what does not fit. This means that the following does not work:
- *   dd if=/dbg/usbmon/0t bs=10
- * Also, we do not allow seeks and do not bother advancing the offset.
- */
+static ssize_t mon_text_copy_to_user(struct mon_reader_text *rp,
+    char __user * const buf, const size_t nbytes)
+{
+	const size_t togo = min(nbytes, rp->printf_togo);
+
+	if (copy_to_user(buf, &rp->printf_buf[rp->printf_offset], togo))
+		return -EFAULT;
+	rp->printf_togo -= togo;
+	rp->printf_offset += togo;
+	return togo;
+}
+
+/* ppos is not advanced since the llseek operation is not permitted. */
 static ssize_t mon_text_read_t(struct file *file, char __user *buf,
-				size_t nbytes, loff_t *ppos)
+    size_t nbytes, loff_t *ppos)
 {
 	struct mon_reader_text *rp = file->private_data;
 	struct mon_event_text *ep;
 	struct mon_text_ptr ptr;
+	ssize_t ret;
 
-	ep = mon_text_read_wait(rp, file);
-	if (IS_ERR(ep))
-		return PTR_ERR(ep);
 	mutex_lock(&rp->printf_lock);
-	ptr.cnt = 0;
-	ptr.pbuf = rp->printf_buf;
-	ptr.limit = rp->printf_size;
-
-	mon_text_read_head_t(rp, &ptr, ep);
-	mon_text_read_statset(rp, &ptr, ep);
-	ptr.cnt += snprintf(ptr.pbuf + ptr.cnt, ptr.limit - ptr.cnt,
-	    " %d", ep->length);
-	mon_text_read_data(rp, &ptr, ep);
-
-	if (copy_to_user(buf, rp->printf_buf, ptr.cnt))
-		ptr.cnt = -EFAULT;
+
+	if (rp->printf_togo == 0) {
+
+		ep = mon_text_read_wait(rp, file);
+		if (IS_ERR(ep)) {
+			mutex_unlock(&rp->printf_lock);
+			return PTR_ERR(ep);
+		}
+		ptr.cnt = 0;
+		ptr.pbuf = rp->printf_buf;
+		ptr.limit = rp->printf_size;
+
+		mon_text_read_head_t(rp, &ptr, ep);
+		mon_text_read_statset(rp, &ptr, ep);
+		ptr.cnt += snprintf(ptr.pbuf + ptr.cnt, ptr.limit - ptr.cnt,
+		    " %d", ep->length);
+		mon_text_read_data(rp, &ptr, ep);
+
+		rp->printf_togo = ptr.cnt;
+		rp->printf_offset = 0;
+
+		kmem_cache_free(rp->e_slab, ep);
+	}
+
+	ret = mon_text_copy_to_user(rp, buf, nbytes);
 	mutex_unlock(&rp->printf_lock);
-	kmem_cache_free(rp->e_slab, ep);
-	return ptr.cnt;
+	return ret;
 }
 
+/* ppos is not advanced since the llseek operation is not permitted. */
 static ssize_t mon_text_read_u(struct file *file, char __user *buf,
-				size_t nbytes, loff_t *ppos)
+    size_t nbytes, loff_t *ppos)
 {
 	struct mon_reader_text *rp = file->private_data;
 	struct mon_event_text *ep;
 	struct mon_text_ptr ptr;
+	ssize_t ret;
 
-	ep = mon_text_read_wait(rp, file);
-	if (IS_ERR(ep))
-		return PTR_ERR(ep);
 	mutex_lock(&rp->printf_lock);
-	ptr.cnt = 0;
-	ptr.pbuf = rp->printf_buf;
-	ptr.limit = rp->printf_size;
 
-	mon_text_read_head_u(rp, &ptr, ep);
-	if (ep->type == 'E') {
-		mon_text_read_statset(rp, &ptr, ep);
-	} else if (ep->xfertype == USB_ENDPOINT_XFER_ISOC) {
-		mon_text_read_isostat(rp, &ptr, ep);
-		mon_text_read_isodesc(rp, &ptr, ep);
-	} else if (ep->xfertype == USB_ENDPOINT_XFER_INT) {
-		mon_text_read_intstat(rp, &ptr, ep);
-	} else {
-		mon_text_read_statset(rp, &ptr, ep);
+	if (rp->printf_togo == 0) {
+
+		ep = mon_text_read_wait(rp, file);
+		if (IS_ERR(ep)) {
+			mutex_unlock(&rp->printf_lock);
+			return PTR_ERR(ep);
+		}
+		ptr.cnt = 0;
+		ptr.pbuf = rp->printf_buf;
+		ptr.limit = rp->printf_size;
+
+		mon_text_read_head_u(rp, &ptr, ep);
+		if (ep->type == 'E') {
+			mon_text_read_statset(rp, &ptr, ep);
+		} else if (ep->xfertype == USB_ENDPOINT_XFER_ISOC) {
+			mon_text_read_isostat(rp, &ptr, ep);
+			mon_text_read_isodesc(rp, &ptr, ep);
+		} else if (ep->xfertype == USB_ENDPOINT_XFER_INT) {
+			mon_text_read_intstat(rp, &ptr, ep);
+		} else {
+			mon_text_read_statset(rp, &ptr, ep);
+		}
+		ptr.cnt += snprintf(ptr.pbuf + ptr.cnt, ptr.limit - ptr.cnt,
+		    " %d", ep->length);
+		mon_text_read_data(rp, &ptr, ep);
+
+		rp->printf_togo = ptr.cnt;
+		rp->printf_offset = 0;
+
+		kmem_cache_free(rp->e_slab, ep);
 	}
-	ptr.cnt += snprintf(ptr.pbuf + ptr.cnt, ptr.limit - ptr.cnt,
-	    " %d", ep->length);
-	mon_text_read_data(rp, &ptr, ep);
 
-	if (copy_to_user(buf, rp->printf_buf, ptr.cnt))
-		ptr.cnt = -EFAULT;
+	ret = mon_text_copy_to_user(rp, buf, nbytes);
 	mutex_unlock(&rp->printf_lock);
-	kmem_cache_free(rp->e_slab, ep);
-	return ptr.cnt;
+	return ret;
 }
 
 static struct mon_event_text *mon_text_read_wait(struct mon_reader_text *rp,
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index eef4ad578b31..4d723077be2b 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1756,6 +1756,7 @@ vbus_show(struct device *dev, struct device_attribute *attr, char *buf)
 	int		vbus;
 	u8		devctl;
 
+	pm_runtime_get_sync(dev);
 	spin_lock_irqsave(&musb->lock, flags);
 	val = musb->a_wait_bcon;
 	vbus = musb_platform_get_vbus_status(musb);
@@ -1769,6 +1770,7 @@ vbus_show(struct device *dev, struct device_attribute *attr, char *buf)
 			vbus = 0;
 	}
 	spin_unlock_irqrestore(&musb->lock, flags);
+	pm_runtime_put_sync(dev);
 
 	return sprintf(buf, "Vbus %s, timeout %lu msec\n",
 			vbus ? "on" : "off", val);
@@ -2471,11 +2473,11 @@ static int musb_remove(struct platform_device *pdev)
 	musb_disable_interrupts(musb);
 	musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
 	spin_unlock_irqrestore(&musb->lock, flags);
+	musb_platform_exit(musb);
 
 	pm_runtime_dont_use_autosuspend(musb->controller);
 	pm_runtime_put_sync(musb->controller);
 	pm_runtime_disable(musb->controller);
-	musb_platform_exit(musb);
 	musb_phy_callback = NULL;
 	if (musb->dma_controller)
 		musb_dma_controller_destroy(musb->dma_controller);
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 3b1b9695177a..6034c39b67d1 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -1076,7 +1076,7 @@ static int uas_post_reset(struct usb_interface *intf)
 		return 0;
 
 	err = uas_configure_endpoints(devinfo);
-	if (err && err != ENODEV)
+	if (err && err != -ENODEV)
 		shost_printk(KERN_ERR, shost,
 			     "%s: alloc streams error %d after reset",
 			     __func__, err);
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 264af199aec8..747d3a9596d9 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -2118,6 +2118,13 @@ UNUSUAL_DEV(  0x152d, 0x2566, 0x0114, 0x0114,
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_BROKEN_FUA ),
 
+/* Reported by Teijo Kinnunen <teijo.kinnunen@code-q.fi> */
+UNUSUAL_DEV(  0x152d, 0x2567, 0x0117, 0x0117,
+		"JMicron",
+		"USB to ATA/ATAPI Bridge",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_BROKEN_FUA ),
+
 /* Reported-by George Cherian <george.cherian@cavium.com> */
 UNUSUAL_DEV(0x152d, 0x9561, 0x0000, 0x9999,
 		"JMicron",
diff --git a/drivers/usb/typec/fusb302/fusb302.c b/drivers/usb/typec/fusb302/fusb302.c
index 9ce4756adad6..dcd8ef085b30 100644
--- a/drivers/usb/typec/fusb302/fusb302.c
+++ b/drivers/usb/typec/fusb302/fusb302.c
@@ -1857,7 +1857,8 @@ static int fusb302_probe(struct i2c_client *client,
 	chip->tcpm_port = tcpm_register_port(&client->dev, &chip->tcpc_dev);
 	if (IS_ERR(chip->tcpm_port)) {
 		ret = PTR_ERR(chip->tcpm_port);
-		dev_err(dev, "cannot register tcpm port, ret=%d", ret);
+		if (ret != -EPROBE_DEFER)
+			dev_err(dev, "cannot register tcpm port, ret=%d", ret);
 		goto destroy_workqueue;
 	}
 
diff --git a/drivers/usb/typec/tcpm.c b/drivers/usb/typec/tcpm.c
index f4d563ee7690..8b637a4b474b 100644
--- a/drivers/usb/typec/tcpm.c
+++ b/drivers/usb/typec/tcpm.c
@@ -252,9 +252,6 @@ struct tcpm_port {
 	unsigned int nr_src_pdo;
 	u32 snk_pdo[PDO_MAX_OBJECTS];
 	unsigned int nr_snk_pdo;
-	unsigned int nr_fixed; /* number of fixed sink PDOs */
-	unsigned int nr_var; /* number of variable sink PDOs */
-	unsigned int nr_batt; /* number of battery sink PDOs */
 	u32 snk_vdo[VDO_MAX_OBJECTS];
 	unsigned int nr_snk_vdo;
 
@@ -1770,90 +1767,39 @@ static int tcpm_pd_check_request(struct tcpm_port *port)
 	return 0;
 }
 
-#define min_power(x, y) min(pdo_max_power(x), pdo_max_power(y))
-#define min_current(x, y) min(pdo_max_current(x), pdo_max_current(y))
-
-static int tcpm_pd_select_pdo(struct tcpm_port *port, int *sink_pdo,
-			      int *src_pdo)
+static int tcpm_pd_select_pdo(struct tcpm_port *port)
 {
-	unsigned int i, j, max_mw = 0, max_mv = 0, mw = 0, mv = 0, ma = 0;
+	unsigned int i, max_mw = 0, max_mv = 0;
 	int ret = -EINVAL;
 
 	/*
-	 * Select the source PDO providing the most power which has a
-	 * matchig sink cap.
+	 * Select the source PDO providing the most power while staying within
+	 * the board's voltage limits. Prefer PDO providing exp
 	 */
 	for (i = 0; i < port->nr_source_caps; i++) {
 		u32 pdo = port->source_caps[i];
 		enum pd_pdo_type type = pdo_type(pdo);
+		unsigned int mv, ma, mw;
 
-		if (type == PDO_TYPE_FIXED) {
-			for (j = 0; j < port->nr_fixed; j++) {
-				if (pdo_fixed_voltage(pdo) ==
-				    pdo_fixed_voltage(port->snk_pdo[j])) {
-					ma = min_current(pdo, port->snk_pdo[j]);
-					mv = pdo_fixed_voltage(pdo);
-					mw = ma * mv / 1000;
-					if (mw > max_mw ||
-					    (mw == max_mw && mv > max_mv)) {
-						ret = 0;
-						*src_pdo = i;
-						*sink_pdo = j;
-						max_mw = mw;
-						max_mv = mv;
-					}
-					/* There could only be one fixed pdo
-					 * at a specific voltage level.
-					 * So breaking here.
-					 */
-					break;
-				}
-			}
-		} else if (type == PDO_TYPE_BATT) {
-			for (j = port->nr_fixed;
-			     j < port->nr_fixed +
-				 port->nr_batt;
-			     j++) {
-				if (pdo_min_voltage(pdo) >=
-				     pdo_min_voltage(port->snk_pdo[j]) &&
-				     pdo_max_voltage(pdo) <=
-				     pdo_max_voltage(port->snk_pdo[j])) {
-					mw = min_power(pdo, port->snk_pdo[j]);
-					mv = pdo_min_voltage(pdo);
-					if (mw > max_mw ||
-					    (mw == max_mw && mv > max_mv)) {
-						ret = 0;
-						*src_pdo = i;
-						*sink_pdo = j;
-						max_mw = mw;
-						max_mv = mv;
-					}
-				}
-			}
-		} else if (type == PDO_TYPE_VAR) {
-			for (j = port->nr_fixed +
-				 port->nr_batt;
-			     j < port->nr_fixed +
-				 port->nr_batt +
-				 port->nr_var;
-			     j++) {
-				if (pdo_min_voltage(pdo) >=
-				     pdo_min_voltage(port->snk_pdo[j]) &&
-				     pdo_max_voltage(pdo) <=
-				     pdo_max_voltage(port->snk_pdo[j])) {
-					ma = min_current(pdo, port->snk_pdo[j]);
-					mv = pdo_min_voltage(pdo);
-					mw = ma * mv / 1000;
-					if (mw > max_mw ||
-					    (mw == max_mw && mv > max_mv)) {
-						ret = 0;
-						*src_pdo = i;
-						*sink_pdo = j;
-						max_mw = mw;
-						max_mv = mv;
-					}
-				}
-			}
+		if (type == PDO_TYPE_FIXED)
+			mv = pdo_fixed_voltage(pdo);
+		else
+			mv = pdo_min_voltage(pdo);
+
+		if (type == PDO_TYPE_BATT) {
+			mw = pdo_max_power(pdo);
+		} else {
+			ma = min(pdo_max_current(pdo),
+				 port->max_snk_ma);
+			mw = ma * mv / 1000;
+		}
+
+		/* Perfer higher voltages if available */
+		if ((mw > max_mw || (mw == max_mw && mv > max_mv)) &&
+		    mv <= port->max_snk_mv) {
+			ret = i;
+			max_mw = mw;
+			max_mv = mv;
 		}
 	}
 
@@ -1865,14 +1811,13 @@ static int tcpm_pd_build_request(struct tcpm_port *port, u32 *rdo)
 	unsigned int mv, ma, mw, flags;
 	unsigned int max_ma, max_mw;
 	enum pd_pdo_type type;
-	int src_pdo_index, snk_pdo_index;
-	u32 pdo, matching_snk_pdo;
+	int index;
+	u32 pdo;
 
-	if (tcpm_pd_select_pdo(port, &snk_pdo_index, &src_pdo_index) < 0)
+	index = tcpm_pd_select_pdo(port);
+	if (index < 0)
 		return -EINVAL;
-
-	pdo = port->source_caps[src_pdo_index];
-	matching_snk_pdo = port->snk_pdo[snk_pdo_index];
+	pdo = port->source_caps[index];
 	type = pdo_type(pdo);
 
 	if (type == PDO_TYPE_FIXED)
@@ -1880,28 +1825,26 @@ static int tcpm_pd_build_request(struct tcpm_port *port, u32 *rdo)
 	else
 		mv = pdo_min_voltage(pdo);
 
-	/* Select maximum available current within the sink pdo's limit */
+	/* Select maximum available current within the board's power limit */
 	if (type == PDO_TYPE_BATT) {
-		mw = min_power(pdo, matching_snk_pdo);
-		ma = 1000 * mw / mv;
+		mw = pdo_max_power(pdo);
+		ma = 1000 * min(mw, port->max_snk_mw) / mv;
 	} else {
-		ma = min_current(pdo, matching_snk_pdo);
-		mw = ma * mv / 1000;
+		ma = min(pdo_max_current(pdo),
+			 1000 * port->max_snk_mw / mv);
 	}
+	ma = min(ma, port->max_snk_ma);
 
 	flags = RDO_USB_COMM | RDO_NO_SUSPEND;
 
 	/* Set mismatch bit if offered power is less than operating power */
+	mw = ma * mv / 1000;
 	max_ma = ma;
 	max_mw = mw;
 	if (mw < port->operating_snk_mw) {
 		flags |= RDO_CAP_MISMATCH;
-		if (type == PDO_TYPE_BATT &&
-		    (pdo_max_power(matching_snk_pdo) > pdo_max_power(pdo)))
-			max_mw = pdo_max_power(matching_snk_pdo);
-		else if (pdo_max_current(matching_snk_pdo) >
-			 pdo_max_current(pdo))
-			max_ma = pdo_max_current(matching_snk_pdo);
+		max_mw = port->operating_snk_mw;
+		max_ma = max_mw * 1000 / mv;
 	}
 
 	tcpm_log(port, "cc=%d cc1=%d cc2=%d vbus=%d vconn=%s polarity=%d",
@@ -1910,16 +1853,16 @@ static int tcpm_pd_build_request(struct tcpm_port *port, u32 *rdo)
 		 port->polarity);
 
 	if (type == PDO_TYPE_BATT) {
-		*rdo = RDO_BATT(src_pdo_index + 1, mw, max_mw, flags);
+		*rdo = RDO_BATT(index + 1, mw, max_mw, flags);
 
 		tcpm_log(port, "Requesting PDO %d: %u mV, %u mW%s",
-			 src_pdo_index, mv, mw,
+			 index, mv, mw,
 			 flags & RDO_CAP_MISMATCH ? " [mismatch]" : "");
 	} else {
-		*rdo = RDO_FIXED(src_pdo_index + 1, ma, max_ma, flags);
+		*rdo = RDO_FIXED(index + 1, ma, max_ma, flags);
 
 		tcpm_log(port, "Requesting PDO %d: %u mV, %u mA%s",
-			 src_pdo_index, mv, ma,
+			 index, mv, ma,
 			 flags & RDO_CAP_MISMATCH ? " [mismatch]" : "");
 	}
 
@@ -3650,19 +3593,6 @@ int tcpm_update_sink_capabilities(struct tcpm_port *port, const u32 *pdo,
 }
 EXPORT_SYMBOL_GPL(tcpm_update_sink_capabilities);
 
-static int nr_type_pdos(const u32 *pdo, unsigned int nr_pdo,
-			enum pd_pdo_type type)
-{
-	int count = 0;
-	int i;
-
-	for (i = 0; i < nr_pdo; i++) {
-		if (pdo_type(pdo[i]) == type)
-			count++;
-	}
-	return count;
-}
-
 struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc)
 {
 	struct tcpm_port *port;
@@ -3708,15 +3638,6 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc)
 					  tcpc->config->nr_src_pdo);
 	port->nr_snk_pdo = tcpm_copy_pdos(port->snk_pdo, tcpc->config->snk_pdo,
 					  tcpc->config->nr_snk_pdo);
-	port->nr_fixed =  nr_type_pdos(port->snk_pdo,
-				       port->nr_snk_pdo,
-				       PDO_TYPE_FIXED);
-	port->nr_var = nr_type_pdos(port->snk_pdo,
-				    port->nr_snk_pdo,
-				    PDO_TYPE_VAR);
-	port->nr_batt = nr_type_pdos(port->snk_pdo,
-				     port->nr_snk_pdo,
-				     PDO_TYPE_BATT);
 	port->nr_snk_vdo = tcpm_copy_vdos(port->snk_vdo, tcpc->config->snk_vdo,
 					  tcpc->config->nr_snk_vdo);
 
diff --git a/drivers/usb/usbip/vudc_sysfs.c b/drivers/usb/usbip/vudc_sysfs.c
index d86f72bbbb91..6dcd3ff655c3 100644
--- a/drivers/usb/usbip/vudc_sysfs.c
+++ b/drivers/usb/usbip/vudc_sysfs.c
@@ -105,10 +105,14 @@ static ssize_t usbip_sockfd_store(struct device *dev, struct device_attribute *a
 	if (rv != 0)
 		return -EINVAL;
 
+	if (!udc) {
+		dev_err(dev, "no device");
+		return -ENODEV;
+	}
 	spin_lock_irqsave(&udc->lock, flags);
 	/* Don't export what we don't have */
-	if (!udc || !udc->driver || !udc->pullup) {
-		dev_err(dev, "no device or gadget not bound");
+	if (!udc->driver || !udc->pullup) {
+		dev_err(dev, "gadget not bound");
 		ret = -ENODEV;
 		goto unlock;
 	}
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index e30e29ae4819..45657e2b1ff7 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -338,11 +338,12 @@ static int vaddr_get_pfn(struct mm_struct *mm, unsigned long vaddr,
 {
 	struct page *page[1];
 	struct vm_area_struct *vma;
+	struct vm_area_struct *vmas[1];
 	int ret;
 
 	if (mm == current->mm) {
-		ret = get_user_pages_fast(vaddr, 1, !!(prot & IOMMU_WRITE),
-					  page);
+		ret = get_user_pages_longterm(vaddr, 1, !!(prot & IOMMU_WRITE),
+					      page, vmas);
 	} else {
 		unsigned int flags = 0;
 
@@ -351,7 +352,18 @@ static int vaddr_get_pfn(struct mm_struct *mm, unsigned long vaddr,
 
 		down_read(&mm->mmap_sem);
 		ret = get_user_pages_remote(NULL, mm, vaddr, 1, flags, page,
-					    NULL, NULL);
+					    vmas, NULL);
+		/*
+		 * The lifetime of a vaddr_get_pfn() page pin is
+		 * userspace-controlled. In the fs-dax case this could
+		 * lead to indefinite stalls in filesystem operations.
+		 * Disallow attempts to pin fs-dax pages via this
+		 * interface.
+		 */
+		if (ret > 0 && vma_is_fsdax(vmas[0])) {
+			ret = -EOPNOTSUPP;
+			put_page(page[0]);
+		}
 		up_read(&mm->mmap_sem);
 	}
 
diff --git a/drivers/video/fbdev/sbuslib.c b/drivers/video/fbdev/sbuslib.c
index af6fc97f4ba4..a436d44f1b7f 100644
--- a/drivers/video/fbdev/sbuslib.c
+++ b/drivers/video/fbdev/sbuslib.c
@@ -122,7 +122,7 @@ int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
 		unsigned char __user *ured;
 		unsigned char __user *ugreen;
 		unsigned char __user *ublue;
-		int index, count, i;
+		unsigned int index, count, i;
 
 		if (get_user(index, &c->index) ||
 		    __get_user(count, &c->count) ||
@@ -161,7 +161,7 @@ int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
 		unsigned char __user *ugreen;
 		unsigned char __user *ublue;
 		struct fb_cmap *cmap = &info->cmap;
-		int index, count, i;
+		unsigned int index, count, i;
 		u8 red, green, blue;
 
 		if (get_user(index, &c->index) ||
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index eb30f3e09a47..71458f493cf8 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -428,8 +428,6 @@ unmap_release:
 		i = virtio16_to_cpu(_vq->vdev, vq->vring.desc[i].next);
 	}
 
-	vq->vq.num_free += total_sg;
-
 	if (indirect)
 		kfree(desc);
 
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index aff773bcebdb..37460cd6cabb 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -226,6 +226,7 @@ config ZIIRAVE_WATCHDOG
 config RAVE_SP_WATCHDOG
 	tristate "RAVE SP Watchdog timer"
 	depends on RAVE_SP_CORE
+	depends on NVMEM || !NVMEM
 	select WATCHDOG_CORE
 	help
 	  Support for the watchdog on RAVE SP device.
@@ -903,6 +904,7 @@ config F71808E_WDT
 config SP5100_TCO
 	tristate "AMD/ATI SP5100 TCO Timer/Watchdog"
 	depends on X86 && PCI
+	select WATCHDOG_CORE
 	---help---
 	  Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO
 	  (Total Cost of Ownership) timer is a watchdog timer that will reboot
@@ -1008,6 +1010,7 @@ config WAFER_WDT
 config I6300ESB_WDT
 	tristate "Intel 6300ESB Timer/Watchdog"
 	depends on PCI
+	select WATCHDOG_CORE
 	---help---
 	  Hardware driver for the watchdog timer built into the Intel
 	  6300ESB controller hub.
@@ -1837,6 +1840,7 @@ config WATCHDOG_SUN4V
 config XEN_WDT
 	tristate "Xen Watchdog support"
 	depends on XEN
+	select WATCHDOG_CORE
 	help
 	  Say Y here to support the hypervisor watchdog capability provided
 	  by Xen 4.0 and newer.  The watchdog timeout period is normally one
diff --git a/drivers/watchdog/f71808e_wdt.c b/drivers/watchdog/f71808e_wdt.c
index e0678c14480f..3a33c5344bd5 100644
--- a/drivers/watchdog/f71808e_wdt.c
+++ b/drivers/watchdog/f71808e_wdt.c
@@ -566,7 +566,8 @@ static ssize_t watchdog_write(struct file *file, const char __user *buf,
 				char c;
 				if (get_user(c, buf + i))
 					return -EFAULT;
-				expect_close = (c == 'V');
+				if (c == 'V')
+					expect_close = true;
 			}
 
 			/* Properly order writes across fork()ed processes */
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index f1f00dfc0e68..b0a158073abd 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -28,16 +28,7 @@
 #include <linux/types.h>
 #include <linux/uaccess.h>
 #include <linux/watchdog.h>
-#ifdef CONFIG_HPWDT_NMI_DECODING
-#include <linux/dmi.h>
-#include <linux/spinlock.h>
-#include <linux/nmi.h>
-#include <linux/kdebug.h>
-#include <linux/notifier.h>
-#include <asm/set_memory.h>
-#endif /* CONFIG_HPWDT_NMI_DECODING */
 #include <asm/nmi.h>
-#include <asm/frame.h>
 
 #define HPWDT_VERSION			"1.4.0"
 #define SECS_TO_TICKS(secs)		((secs) * 1000 / 128)
@@ -48,6 +39,9 @@
 static unsigned int soft_margin = DEFAULT_MARGIN;	/* in seconds */
 static unsigned int reload;			/* the computed soft_margin */
 static bool nowayout = WATCHDOG_NOWAYOUT;
+#ifdef CONFIG_HPWDT_NMI_DECODING
+static unsigned int allow_kdump = 1;
+#endif
 static char expect_release;
 static unsigned long hpwdt_is_open;
 
@@ -63,373 +57,6 @@ static const struct pci_device_id hpwdt_devices[] = {
 };
 MODULE_DEVICE_TABLE(pci, hpwdt_devices);
 
-#ifdef CONFIG_HPWDT_NMI_DECODING
-#define PCI_BIOS32_SD_VALUE		0x5F32335F	/* "_32_" */
-#define CRU_BIOS_SIGNATURE_VALUE	0x55524324
-#define PCI_BIOS32_PARAGRAPH_LEN	16
-#define PCI_ROM_BASE1			0x000F0000
-#define ROM_SIZE			0x10000
-
-struct bios32_service_dir {
-	u32 signature;
-	u32 entry_point;
-	u8 revision;
-	u8 length;
-	u8 checksum;
-	u8 reserved[5];
-};
-
-/* type 212 */
-struct smbios_cru64_info {
-	u8 type;
-	u8 byte_length;
-	u16 handle;
-	u32 signature;
-	u64 physical_address;
-	u32 double_length;
-	u32 double_offset;
-};
-#define SMBIOS_CRU64_INFORMATION	212
-
-/* type 219 */
-struct smbios_proliant_info {
-	u8 type;
-	u8 byte_length;
-	u16 handle;
-	u32 power_features;
-	u32 omega_features;
-	u32 reserved;
-	u32 misc_features;
-};
-#define SMBIOS_ICRU_INFORMATION		219
-
-
-struct cmn_registers {
-	union {
-		struct {
-			u8 ral;
-			u8 rah;
-			u16 rea2;
-		};
-		u32 reax;
-	} u1;
-	union {
-		struct {
-			u8 rbl;
-			u8 rbh;
-			u8 reb2l;
-			u8 reb2h;
-		};
-		u32 rebx;
-	} u2;
-	union {
-		struct {
-			u8 rcl;
-			u8 rch;
-			u16 rec2;
-		};
-		u32 recx;
-	} u3;
-	union {
-		struct {
-			u8 rdl;
-			u8 rdh;
-			u16 red2;
-		};
-		u32 redx;
-	} u4;
-
-	u32 resi;
-	u32 redi;
-	u16 rds;
-	u16 res;
-	u32 reflags;
-}  __attribute__((packed));
-
-static unsigned int hpwdt_nmi_decoding;
-static unsigned int allow_kdump = 1;
-static unsigned int is_icru;
-static unsigned int is_uefi;
-static DEFINE_SPINLOCK(rom_lock);
-static void *cru_rom_addr;
-static struct cmn_registers cmn_regs;
-
-extern asmlinkage void asminline_call(struct cmn_registers *pi86Regs,
-						unsigned long *pRomEntry);
-
-#ifdef CONFIG_X86_32
-/* --32 Bit Bios------------------------------------------------------------ */
-
-#define HPWDT_ARCH	32
-
-asm(".text                          \n\t"
-    ".align 4                       \n\t"
-    ".globl asminline_call	    \n"
-    "asminline_call:                \n\t"
-    "pushl       %ebp               \n\t"
-    "movl        %esp, %ebp         \n\t"
-    "pusha                          \n\t"
-    "pushf                          \n\t"
-    "push        %es                \n\t"
-    "push        %ds                \n\t"
-    "pop         %es                \n\t"
-    "movl        8(%ebp),%eax       \n\t"
-    "movl        4(%eax),%ebx       \n\t"
-    "movl        8(%eax),%ecx       \n\t"
-    "movl        12(%eax),%edx      \n\t"
-    "movl        16(%eax),%esi      \n\t"
-    "movl        20(%eax),%edi      \n\t"
-    "movl        (%eax),%eax        \n\t"
-    "push        %cs                \n\t"
-    "call        *12(%ebp)          \n\t"
-    "pushf                          \n\t"
-    "pushl       %eax               \n\t"
-    "movl        8(%ebp),%eax       \n\t"
-    "movl        %ebx,4(%eax)       \n\t"
-    "movl        %ecx,8(%eax)       \n\t"
-    "movl        %edx,12(%eax)      \n\t"
-    "movl        %esi,16(%eax)      \n\t"
-    "movl        %edi,20(%eax)      \n\t"
-    "movw        %ds,24(%eax)       \n\t"
-    "movw        %es,26(%eax)       \n\t"
-    "popl        %ebx               \n\t"
-    "movl        %ebx,(%eax)        \n\t"
-    "popl        %ebx               \n\t"
-    "movl        %ebx,28(%eax)      \n\t"
-    "pop         %es                \n\t"
-    "popf                           \n\t"
-    "popa                           \n\t"
-    "leave                          \n\t"
-    "ret                            \n\t"
-    ".previous");
-
-
-/*
- *	cru_detect
- *
- *	Routine Description:
- *	This function uses the 32-bit BIOS Service Directory record to
- *	search for a $CRU record.
- *
- *	Return Value:
- *	0        :  SUCCESS
- *	<0       :  FAILURE
- */
-static int cru_detect(unsigned long map_entry,
-	unsigned long map_offset)
-{
-	void *bios32_map;
-	unsigned long *bios32_entrypoint;
-	unsigned long cru_physical_address;
-	unsigned long cru_length;
-	unsigned long physical_bios_base = 0;
-	unsigned long physical_bios_offset = 0;
-	int retval = -ENODEV;
-
-	bios32_map = ioremap(map_entry, (2 * PAGE_SIZE));
-
-	if (bios32_map == NULL)
-		return -ENODEV;
-
-	bios32_entrypoint = bios32_map + map_offset;
-
-	cmn_regs.u1.reax = CRU_BIOS_SIGNATURE_VALUE;
-
-	set_memory_x((unsigned long)bios32_map, 2);
-	asminline_call(&cmn_regs, bios32_entrypoint);
-
-	if (cmn_regs.u1.ral != 0) {
-		pr_warn("Call succeeded but with an error: 0x%x\n",
-			cmn_regs.u1.ral);
-	} else {
-		physical_bios_base = cmn_regs.u2.rebx;
-		physical_bios_offset = cmn_regs.u4.redx;
-		cru_length = cmn_regs.u3.recx;
-		cru_physical_address =
-			physical_bios_base + physical_bios_offset;
-
-		/* If the values look OK, then map it in. */
-		if ((physical_bios_base + physical_bios_offset)) {
-			cru_rom_addr =
-				ioremap(cru_physical_address, cru_length);
-			if (cru_rom_addr) {
-				set_memory_x((unsigned long)cru_rom_addr & PAGE_MASK,
-					(cru_length + PAGE_SIZE - 1) >> PAGE_SHIFT);
-				retval = 0;
-			}
-		}
-
-		pr_debug("CRU Base Address:   0x%lx\n", physical_bios_base);
-		pr_debug("CRU Offset Address: 0x%lx\n", physical_bios_offset);
-		pr_debug("CRU Length:         0x%lx\n", cru_length);
-		pr_debug("CRU Mapped Address: %p\n", &cru_rom_addr);
-	}
-	iounmap(bios32_map);
-	return retval;
-}
-
-/*
- *	bios_checksum
- */
-static int bios_checksum(const char __iomem *ptr, int len)
-{
-	char sum = 0;
-	int i;
-
-	/*
-	 * calculate checksum of size bytes. This should add up
-	 * to zero if we have a valid header.
-	 */
-	for (i = 0; i < len; i++)
-		sum += ptr[i];
-
-	return ((sum == 0) && (len > 0));
-}
-
-/*
- *	bios32_present
- *
- *	Routine Description:
- *	This function finds the 32-bit BIOS Service Directory
- *
- *	Return Value:
- *	0        :  SUCCESS
- *	<0       :  FAILURE
- */
-static int bios32_present(const char __iomem *p)
-{
-	struct bios32_service_dir *bios_32_ptr;
-	int length;
-	unsigned long map_entry, map_offset;
-
-	bios_32_ptr = (struct bios32_service_dir *) p;
-
-	/*
-	 * Search for signature by checking equal to the swizzled value
-	 * instead of calling another routine to perform a strcmp.
-	 */
-	if (bios_32_ptr->signature == PCI_BIOS32_SD_VALUE) {
-		length = bios_32_ptr->length * PCI_BIOS32_PARAGRAPH_LEN;
-		if (bios_checksum(p, length)) {
-			/*
-			 * According to the spec, we're looking for the
-			 * first 4KB-aligned address below the entrypoint
-			 * listed in the header. The Service Directory code
-			 * is guaranteed to occupy no more than 2 4KB pages.
-			 */
-			map_entry = bios_32_ptr->entry_point & ~(PAGE_SIZE - 1);
-			map_offset = bios_32_ptr->entry_point - map_entry;
-
-			return cru_detect(map_entry, map_offset);
-		}
-	}
-	return -ENODEV;
-}
-
-static int detect_cru_service(void)
-{
-	char __iomem *p, *q;
-	int rc = -1;
-
-	/*
-	 * Search from 0x0f0000 through 0x0fffff, inclusive.
-	 */
-	p = ioremap(PCI_ROM_BASE1, ROM_SIZE);
-	if (p == NULL)
-		return -ENOMEM;
-
-	for (q = p; q < p + ROM_SIZE; q += 16) {
-		rc = bios32_present(q);
-		if (!rc)
-			break;
-	}
-	iounmap(p);
-	return rc;
-}
-/* ------------------------------------------------------------------------- */
-#endif /* CONFIG_X86_32 */
-#ifdef CONFIG_X86_64
-/* --64 Bit Bios------------------------------------------------------------ */
-
-#define HPWDT_ARCH	64
-
-asm(".text                      \n\t"
-    ".align 4                   \n\t"
-    ".globl asminline_call	\n\t"
-    ".type asminline_call, @function \n\t"
-    "asminline_call:            \n\t"
-    FRAME_BEGIN
-    "pushq      %rax            \n\t"
-    "pushq      %rbx            \n\t"
-    "pushq      %rdx            \n\t"
-    "pushq      %r12            \n\t"
-    "pushq      %r9             \n\t"
-    "movq       %rsi, %r12      \n\t"
-    "movq       %rdi, %r9       \n\t"
-    "movl       4(%r9),%ebx     \n\t"
-    "movl       8(%r9),%ecx     \n\t"
-    "movl       12(%r9),%edx    \n\t"
-    "movl       16(%r9),%esi    \n\t"
-    "movl       20(%r9),%edi    \n\t"
-    "movl       (%r9),%eax      \n\t"
-    "call       *%r12           \n\t"
-    "pushfq                     \n\t"
-    "popq        %r12           \n\t"
-    "movl       %eax, (%r9)     \n\t"
-    "movl       %ebx, 4(%r9)    \n\t"
-    "movl       %ecx, 8(%r9)    \n\t"
-    "movl       %edx, 12(%r9)   \n\t"
-    "movl       %esi, 16(%r9)   \n\t"
-    "movl       %edi, 20(%r9)   \n\t"
-    "movq       %r12, %rax      \n\t"
-    "movl       %eax, 28(%r9)   \n\t"
-    "popq       %r9             \n\t"
-    "popq       %r12            \n\t"
-    "popq       %rdx            \n\t"
-    "popq       %rbx            \n\t"
-    "popq       %rax            \n\t"
-    FRAME_END
-    "ret                        \n\t"
-    ".previous");
-
-/*
- *	dmi_find_cru
- *
- *	Routine Description:
- *	This function checks whether or not a SMBIOS/DMI record is
- *	the 64bit CRU info or not
- */
-static void dmi_find_cru(const struct dmi_header *dm, void *dummy)
-{
-	struct smbios_cru64_info *smbios_cru64_ptr;
-	unsigned long cru_physical_address;
-
-	if (dm->type == SMBIOS_CRU64_INFORMATION) {
-		smbios_cru64_ptr = (struct smbios_cru64_info *) dm;
-		if (smbios_cru64_ptr->signature == CRU_BIOS_SIGNATURE_VALUE) {
-			cru_physical_address =
-				smbios_cru64_ptr->physical_address +
-				smbios_cru64_ptr->double_offset;
-			cru_rom_addr = ioremap(cru_physical_address,
-				smbios_cru64_ptr->double_length);
-			set_memory_x((unsigned long)cru_rom_addr & PAGE_MASK,
-				smbios_cru64_ptr->double_length >> PAGE_SHIFT);
-		}
-	}
-}
-
-static int detect_cru_service(void)
-{
-	cru_rom_addr = NULL;
-
-	dmi_walk(dmi_find_cru, NULL);
-
-	/* if cru_rom_addr has been set then we found a CRU service */
-	return ((cru_rom_addr != NULL) ? 0 : -ENODEV);
-}
-/* ------------------------------------------------------------------------- */
-#endif /* CONFIG_X86_64 */
-#endif /* CONFIG_HPWDT_NMI_DECODING */
 
 /*
  *	Watchdog operations
@@ -486,30 +113,12 @@ static int hpwdt_my_nmi(void)
  */
 static int hpwdt_pretimeout(unsigned int ulReason, struct pt_regs *regs)
 {
-	unsigned long rom_pl;
-	static int die_nmi_called;
-
-	if (!hpwdt_nmi_decoding)
-		return NMI_DONE;
-
 	if ((ulReason == NMI_UNKNOWN) && !hpwdt_my_nmi())
 		return NMI_DONE;
 
-	spin_lock_irqsave(&rom_lock, rom_pl);
-	if (!die_nmi_called && !is_icru && !is_uefi)
-		asminline_call(&cmn_regs, cru_rom_addr);
-	die_nmi_called = 1;
-	spin_unlock_irqrestore(&rom_lock, rom_pl);
-
 	if (allow_kdump)
 		hpwdt_stop();
 
-	if (!is_icru && !is_uefi) {
-		if (cmn_regs.u1.ral == 0) {
-			nmi_panic(regs, "An NMI occurred, but unable to determine source.\n");
-			return NMI_HANDLED;
-		}
-	}
 	nmi_panic(regs, "An NMI occurred. Depending on your system the reason "
 		"for the NMI is logged in any one of the following "
 		"resources:\n"
@@ -675,84 +284,11 @@ static struct miscdevice hpwdt_miscdev = {
  *	Init & Exit
  */
 
-#ifdef CONFIG_HPWDT_NMI_DECODING
-#ifdef CONFIG_X86_LOCAL_APIC
-static void hpwdt_check_nmi_decoding(struct pci_dev *dev)
-{
-	/*
-	 * If nmi_watchdog is turned off then we can turn on
-	 * our nmi decoding capability.
-	 */
-	hpwdt_nmi_decoding = 1;
-}
-#else
-static void hpwdt_check_nmi_decoding(struct pci_dev *dev)
-{
-	dev_warn(&dev->dev, "NMI decoding is disabled. "
-		"Your kernel does not support a NMI Watchdog.\n");
-}
-#endif /* CONFIG_X86_LOCAL_APIC */
-
-/*
- *	dmi_find_icru
- *
- *	Routine Description:
- *	This function checks whether or not we are on an iCRU-based server.
- *	This check is independent of architecture and needs to be made for
- *	any ProLiant system.
- */
-static void dmi_find_icru(const struct dmi_header *dm, void *dummy)
-{
-	struct smbios_proliant_info *smbios_proliant_ptr;
-
-	if (dm->type == SMBIOS_ICRU_INFORMATION) {
-		smbios_proliant_ptr = (struct smbios_proliant_info *) dm;
-		if (smbios_proliant_ptr->misc_features & 0x01)
-			is_icru = 1;
-		if (smbios_proliant_ptr->misc_features & 0x1400)
-			is_uefi = 1;
-	}
-}
 
 static int hpwdt_init_nmi_decoding(struct pci_dev *dev)
 {
+#ifdef CONFIG_HPWDT_NMI_DECODING
 	int retval;
-
-	/*
-	 * On typical CRU-based systems we need to map that service in
-	 * the BIOS. For 32 bit Operating Systems we need to go through
-	 * the 32 Bit BIOS Service Directory. For 64 bit Operating
-	 * Systems we get that service through SMBIOS.
-	 *
-	 * On systems that support the new iCRU service all we need to
-	 * do is call dmi_walk to get the supported flag value and skip
-	 * the old cru detect code.
-	 */
-	dmi_walk(dmi_find_icru, NULL);
-	if (!is_icru && !is_uefi) {
-
-		/*
-		* We need to map the ROM to get the CRU service.
-		* For 32 bit Operating Systems we need to go through the 32 Bit
-		* BIOS Service Directory
-		* For 64 bit Operating Systems we get that service through SMBIOS.
-		*/
-		retval = detect_cru_service();
-		if (retval < 0) {
-			dev_warn(&dev->dev,
-				"Unable to detect the %d Bit CRU Service.\n",
-				HPWDT_ARCH);
-			return retval;
-		}
-
-		/*
-		* We know this is the only CRU call we need to make so lets keep as
-		* few instructions as possible once the NMI comes in.
-		*/
-		cmn_regs.u1.rah = 0x0D;
-		cmn_regs.u1.ral = 0x02;
-	}
-
 	/*
 	 * Only one function can register for NMI_UNKNOWN
 	 */
@@ -780,45 +316,26 @@ error:
 	dev_warn(&dev->dev,
 		"Unable to register a die notifier (err=%d).\n",
 		retval);
-	if (cru_rom_addr)
-		iounmap(cru_rom_addr);
 	return retval;
+#endif	/* CONFIG_HPWDT_NMI_DECODING */
+	return 0;
 }
 
 static void hpwdt_exit_nmi_decoding(void)
 {
+#ifdef CONFIG_HPWDT_NMI_DECODING
 	unregister_nmi_handler(NMI_UNKNOWN, "hpwdt");
 	unregister_nmi_handler(NMI_SERR, "hpwdt");
 	unregister_nmi_handler(NMI_IO_CHECK, "hpwdt");
-	if (cru_rom_addr)
-		iounmap(cru_rom_addr);
-}
-#else /* !CONFIG_HPWDT_NMI_DECODING */
-static void hpwdt_check_nmi_decoding(struct pci_dev *dev)
-{
-}
-
-static int hpwdt_init_nmi_decoding(struct pci_dev *dev)
-{
-	return 0;
+#endif
 }
 
-static void hpwdt_exit_nmi_decoding(void)
-{
-}
-#endif /* CONFIG_HPWDT_NMI_DECODING */
-
 static int hpwdt_init_one(struct pci_dev *dev,
 					const struct pci_device_id *ent)
 {
 	int retval;
 
 	/*
-	 * Check if we can do NMI decoding or not
-	 */
-	hpwdt_check_nmi_decoding(dev);
-
-	/*
 	 * First let's find out if we are on an iLO2+ server. We will
 	 * not run on a legacy ASM box.
 	 * So we only support the G5 ProLiant servers and higher.
@@ -922,6 +439,6 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
 #ifdef CONFIG_HPWDT_NMI_DECODING
 module_param(allow_kdump, int, 0);
 MODULE_PARM_DESC(allow_kdump, "Start a kernel dump after NMI occurs");
-#endif /* !CONFIG_HPWDT_NMI_DECODING */
+#endif /* CONFIG_HPWDT_NMI_DECODING */
 
 module_pci_driver(hpwdt_driver);
diff --git a/drivers/watchdog/sbsa_gwdt.c b/drivers/watchdog/sbsa_gwdt.c
index 316c2eb122d2..e8bd9887c566 100644
--- a/drivers/watchdog/sbsa_gwdt.c
+++ b/drivers/watchdog/sbsa_gwdt.c
@@ -50,6 +50,7 @@
  */
 
 #include <linux/io.h>
+#include <linux/io-64-nonatomic-lo-hi.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
@@ -159,7 +160,7 @@ static unsigned int sbsa_gwdt_get_timeleft(struct watchdog_device *wdd)
 	    !(readl(gwdt->control_base + SBSA_GWDT_WCS) & SBSA_GWDT_WCS_WS0))
 		timeleft += readl(gwdt->control_base + SBSA_GWDT_WOR);
 
-	timeleft += readq(gwdt->control_base + SBSA_GWDT_WCV) -
+	timeleft += lo_hi_readq(gwdt->control_base + SBSA_GWDT_WCV) -
 		    arch_counter_get_cntvct();
 
 	do_div(timeleft, gwdt->clk);
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 1ab4bd11f5f3..762378f1811c 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -755,8 +755,8 @@ out:
 	mutex_unlock(&irq_mapping_update_lock);
 	return irq;
 error_irq:
-	for (; i >= 0; i--)
-		__unbind_from_irq(irq + i);
+	while (nvec--)
+		__unbind_from_irq(irq + nvec);
 	mutex_unlock(&irq_mapping_update_lock);
 	return ret;
 }
diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c
index 156e5aea36db..b1092fbefa63 100644
--- a/drivers/xen/pvcalls-back.c
+++ b/drivers/xen/pvcalls-back.c
@@ -416,7 +416,7 @@ static int pvcalls_back_connect(struct xenbus_device *dev,
 					sock);
 	if (!map) {
 		ret = -EFAULT;
-		sock_release(map->sock);
+		sock_release(sock);
 	}
 
 out:
diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c
index aedbee3b2838..2f11ca72a281 100644
--- a/drivers/xen/pvcalls-front.c
+++ b/drivers/xen/pvcalls-front.c
@@ -73,20 +73,25 @@ struct sock_mapping {
 			wait_queue_head_t inflight_conn_req;
 		} active;
 		struct {
-		/* Socket status */
+		/*
+		 * Socket status, needs to be 64-bit aligned due to the
+		 * test_and_* functions which have this requirement on arm64.
+		 */
 #define PVCALLS_STATUS_UNINITALIZED  0
 #define PVCALLS_STATUS_BIND          1
 #define PVCALLS_STATUS_LISTEN        2
-			uint8_t status;
+			uint8_t status __attribute__((aligned(8)));
 		/*
 		 * Internal state-machine flags.
 		 * Only one accept operation can be inflight for a socket.
 		 * Only one poll operation can be inflight for a given socket.
+		 * flags needs to be 64-bit aligned due to the test_and_*
+		 * functions which have this requirement on arm64.
 		 */
 #define PVCALLS_FLAG_ACCEPT_INFLIGHT 0
 #define PVCALLS_FLAG_POLL_INFLIGHT   1
 #define PVCALLS_FLAG_POLL_RET        2
-			uint8_t flags;
+			uint8_t flags __attribute__((aligned(8)));
 			uint32_t inflight_req_id;
 			struct sock_mapping *accept_map;
 			wait_queue_head_t inflight_accept_req;
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index 74888cacd0b0..ec9eb4fba59c 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -466,8 +466,11 @@ int xenbus_probe_node(struct xen_bus_type *bus,
 
 	/* Register with generic device framework. */
 	err = device_register(&xendev->dev);
-	if (err)
+	if (err) {
+		put_device(&xendev->dev);
+		xendev = NULL;
 		goto fail;
+	}
 
 	return 0;
 fail: