Merge branch 'linux-linaro-lsk-v3.14' into linux-linaro-lsk-v3.14-android

36 files changed, 397 insertions, 165 deletions

diff --git a/drivers/clocksource/sun4i_timer.c b/drivers/clocksource/sun4i_timer.c
index bf497afba9ad..7d19f86012f2 100644
--- a/drivers/clocksource/sun4i_timer.c
+++ b/drivers/clocksource/sun4i_timer.c
@@ -182,6 +182,12 @@ static void __init sun4i_timer_init(struct device_node *node)
 	/* Make sure timer is stopped before playing with interrupts */
 	sun4i_clkevt_time_stop(0);
 
+	sun4i_clockevent.cpumask = cpu_possible_mask;
+	sun4i_clockevent.irq = irq;
+
+	clockevents_config_and_register(&sun4i_clockevent, rate,
+					TIMER_SYNC_TICKS, 0xffffffff);
+
 	ret = setup_irq(irq, &sun4i_timer_irq);
 	if (ret)
 		pr_warn("failed to setup irq %d\n", irq);
@@ -189,12 +195,6 @@ static void __init sun4i_timer_init(struct device_node *node)
 	/* Enable timer0 interrupt */
 	val = readl(timer_base + TIMER_IRQ_EN_REG);
 	writel(val | TIMER_IRQ_EN(0), timer_base + TIMER_IRQ_EN_REG);
-
-	sun4i_clockevent.cpumask = cpu_possible_mask;
-	sun4i_clockevent.irq = irq;
-
-	clockevents_config_and_register(&sun4i_clockevent, rate,
-					TIMER_SYNC_TICKS, 0xffffffff);
 }
 CLOCKSOURCE_OF_DECLARE(sun4i, "allwinner,sun4i-timer",
 		       sun4i_timer_init);
diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c
index 813db8de52b7..3334f916945b 100644
--- a/drivers/gpu/drm/radeon/r600_dpm.c
+++ b/drivers/gpu/drm/radeon/r600_dpm.c
@@ -1209,7 +1209,7 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
 					(mode_info->atom_context->bios + data_offset +
 					 le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
 				rdev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit =
-					ppt->usMaximumPowerDeliveryLimit;
+					le16_to_cpu(ppt->usMaximumPowerDeliveryLimit);
 				pt = &ppt->power_tune_table;
 			} else {
 				ATOM_PPLIB_POWERTUNE_Table *ppt = (ATOM_PPLIB_POWERTUNE_Table *)
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 089c9ffb0aa9..b3f0293ba0d8 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -202,6 +202,16 @@ static bool radeon_msi_ok(struct radeon_device *rdev)
 	if (rdev->flags & RADEON_IS_AGP)
 		return false;
 
+	/*
+	 * Older chips have a HW limitation, they can only generate 40 bits
+	 * of address for "64-bit" MSIs which breaks on some platforms, notably
+	 * IBM POWER servers, so we limit them
+	 */
+	if (rdev->family < CHIP_BONAIRE) {
+		dev_info(rdev->dev, "radeon: MSI limited to 32-bit\n");
+		rdev->pdev->no_64bit_msi = 1;
+	}
+
 	/* force MSI on */
 	if (radeon_msi == 1)
 		return true;
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index c5c194c2e0b6..a96cfc31372e 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -112,9 +112,12 @@ isert_conn_setup_qp(struct isert_conn *isert_conn, struct rdma_cm_id *cma_id)
 	attr.cap.max_recv_wr = ISERT_QP_MAX_RECV_DTOS;
 	/*
 	 * FIXME: Use devattr.max_sge - 2 for max_send_sge as
-	 * work-around for RDMA_READ..
+	 * work-around for RDMA_READs with ConnectX-2.
+	 *
+	 * Also, still make sure to have at least two SGEs for
+	 * outgoing control PDU responses.
 	 */
-	attr.cap.max_send_sge = device->dev_attr.max_sge - 2;
+	attr.cap.max_send_sge = max(2, device->dev_attr.max_sge - 2);
 	isert_conn->max_sge = attr.cap.max_send_sge;
 
 	attr.cap.max_recv_sge = 1;
@@ -220,12 +223,16 @@ isert_create_device_ib_res(struct isert_device *device)
 	struct isert_cq_desc *cq_desc;
 	struct ib_device_attr *dev_attr;
 	int ret = 0, i, j;
+	int max_rx_cqe, max_tx_cqe;
 
 	dev_attr = &device->dev_attr;
 	ret = isert_query_device(ib_dev, dev_attr);
 	if (ret)
 		return ret;
 
+	max_rx_cqe = min(ISER_MAX_RX_CQ_LEN, dev_attr->max_cqe);
+	max_tx_cqe = min(ISER_MAX_TX_CQ_LEN, dev_attr->max_cqe);
+
 	/* asign function handlers */
 	if (dev_attr->device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS) {
 		device->use_fastreg = 1;
@@ -261,7 +268,7 @@ isert_create_device_ib_res(struct isert_device *device)
 						isert_cq_rx_callback,
 						isert_cq_event_callback,
 						(void *)&cq_desc[i],
-						ISER_MAX_RX_CQ_LEN, i);
+						max_rx_cqe, i);
 		if (IS_ERR(device->dev_rx_cq[i])) {
 			ret = PTR_ERR(device->dev_rx_cq[i]);
 			device->dev_rx_cq[i] = NULL;
@@ -273,7 +280,7 @@ isert_create_device_ib_res(struct isert_device *device)
 						isert_cq_tx_callback,
 						isert_cq_event_callback,
 						(void *)&cq_desc[i],
-						ISER_MAX_TX_CQ_LEN, i);
+						max_tx_cqe, i);
 		if (IS_ERR(device->dev_tx_cq[i])) {
 			ret = PTR_ERR(device->dev_tx_cq[i]);
 			device->dev_tx_cq[i] = NULL;
@@ -718,14 +725,25 @@ wake_up:
 	complete(&isert_conn->conn_wait);
 }
 
-static void
+static int
 isert_disconnected_handler(struct rdma_cm_id *cma_id, bool disconnect)
 {
-	struct isert_conn *isert_conn = (struct isert_conn *)cma_id->context;
+	struct isert_conn *isert_conn;
+
+	if (!cma_id->qp) {
+		struct isert_np *isert_np = cma_id->context;
+
+		isert_np->np_cm_id = NULL;
+		return -1;
+	}
+
+	isert_conn = (struct isert_conn *)cma_id->context;
 
 	isert_conn->disconnect = disconnect;
 	INIT_WORK(&isert_conn->conn_logout_work, isert_disconnect_work);
 	schedule_work(&isert_conn->conn_logout_work);
+
+	return 0;
 }
 
 static int
@@ -740,6 +758,9 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
 	switch (event->event) {
 	case RDMA_CM_EVENT_CONNECT_REQUEST:
 		ret = isert_connect_request(cma_id, event);
+		if (ret)
+			pr_err("isert_cma_handler failed RDMA_CM_EVENT: 0x%08x %d\n",
+				event->event, ret);
 		break;
 	case RDMA_CM_EVENT_ESTABLISHED:
 		isert_connected_handler(cma_id);
@@ -749,7 +770,7 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
 	case RDMA_CM_EVENT_DEVICE_REMOVAL: /* FALLTHRU */
 		disconnect = true;
 	case RDMA_CM_EVENT_TIMEWAIT_EXIT:  /* FALLTHRU */
-		isert_disconnected_handler(cma_id, disconnect);
+		ret = isert_disconnected_handler(cma_id, disconnect);
 		break;
 	case RDMA_CM_EVENT_CONNECT_ERROR:
 	default:
@@ -757,12 +778,6 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
 		break;
 	}
 
-	if (ret != 0) {
-		pr_err("isert_cma_handler failed RDMA_CM_EVENT: 0x%08x %d\n",
-		       event->event, ret);
-		dump_stack();
-	}
-
 	return ret;
 }
 
@@ -970,7 +985,8 @@ isert_put_login_tx(struct iscsi_conn *conn, struct iscsi_login *login,
 	}
 	if (!login->login_failed) {
 		if (login->login_complete) {
-			if (isert_conn->conn_device->use_fastreg) {
+			if (!conn->sess->sess_ops->SessionType &&
+			    isert_conn->conn_device->use_fastreg) {
 				ret = isert_conn_create_fastreg_pool(isert_conn);
 				if (ret) {
 					pr_err("Conn: %p failed to create"
@@ -1937,7 +1953,7 @@ isert_put_response(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
 		isert_cmd->tx_desc.num_sge = 2;
 	}
 
-	isert_init_send_wr(isert_conn, isert_cmd, send_wr, true);
+	isert_init_send_wr(isert_conn, isert_cmd, send_wr, false);
 
 	pr_debug("Posting SCSI Response IB_WR_SEND >>>>>>>>>>>>>>>>>>>>>>\n");
 
@@ -2456,7 +2472,7 @@ isert_put_datain(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
 			     &isert_cmd->tx_desc.iscsi_header);
 	isert_init_tx_hdrs(isert_conn, &isert_cmd->tx_desc);
 	isert_init_send_wr(isert_conn, isert_cmd,
-			   &isert_cmd->tx_desc.send_wr, true);
+			   &isert_cmd->tx_desc.send_wr, false);
 
 	atomic_add(wr->send_wr_num + 1, &isert_conn->post_send_buf_count);
 
@@ -2768,7 +2784,8 @@ isert_free_np(struct iscsi_np *np)
 {
 	struct isert_np *isert_np = (struct isert_np *)np->np_context;
 
-	rdma_destroy_id(isert_np->np_cm_id);
+	if (isert_np->np_cm_id)
+		rdma_destroy_id(isert_np->np_cm_id);
 
 	np->np_context = NULL;
 	kfree(isert_np);
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index d1078ce73095..0097b8dae5bc 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -2091,6 +2091,7 @@ static int srpt_create_ch_ib(struct srpt_rdma_ch *ch)
 	if (!qp_init)
 		goto out;
 
+retry:
 	ch->cq = ib_create_cq(sdev->device, srpt_completion, NULL, ch,
 			      ch->rq_size + srp_sq_size, 0);
 	if (IS_ERR(ch->cq)) {
@@ -2114,6 +2115,13 @@ static int srpt_create_ch_ib(struct srpt_rdma_ch *ch)
 	ch->qp = ib_create_qp(sdev->pd, qp_init);
 	if (IS_ERR(ch->qp)) {
 		ret = PTR_ERR(ch->qp);
+		if (ret == -ENOMEM) {
+			srp_sq_size /= 2;
+			if (srp_sq_size >= MIN_SRPT_SQ_SIZE) {
+				ib_destroy_cq(ch->cq);
+				goto retry;
+			}
+		}
 		printk(KERN_ERR "failed to create_qp ret= %d\n", ret);
 		goto err_destroy_cq;
 	}
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 603fe0dd3682..517829f6a58b 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -1003,9 +1003,19 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
 		}
 
 		ep_irq_in = &intf->cur_altsetting->endpoint[1].desc;
-		usb_fill_bulk_urb(xpad->bulk_out, udev,
-				usb_sndbulkpipe(udev, ep_irq_in->bEndpointAddress),
-				xpad->bdata, XPAD_PKT_LEN, xpad_bulk_out, xpad);
+		if (usb_endpoint_is_bulk_out(ep_irq_in)) {
+			usb_fill_bulk_urb(xpad->bulk_out, udev,
+					  usb_sndbulkpipe(udev,
+							  ep_irq_in->bEndpointAddress),
+					  xpad->bdata, XPAD_PKT_LEN,
+					  xpad_bulk_out, xpad);
+		} else {
+			usb_fill_int_urb(xpad->bulk_out, udev,
+					 usb_sndintpipe(udev,
+							ep_irq_in->bEndpointAddress),
+					 xpad->bdata, XPAD_PKT_LEN,
+					 xpad_bulk_out, xpad, 0);
+		}
 
 		/*
 		 * Submit the int URB immediately rather than waiting for open
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 1e76eb8f06c7..a3769cf84381 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -140,6 +140,10 @@ static const struct min_max_quirk min_max_pnpid_table[] = {
 		(const char * const []){"LEN2001", NULL},
 		1024, 5022, 2508, 4832
 	},
+	{
+		(const char * const []){"LEN2006", NULL},
+		1264, 5675, 1171, 4688
+	},
 	{ }
 };
 
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index cc38948cf65d..15379824d77d 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2450,9 +2450,9 @@ static void bond_loadbalance_arp_mon(struct work_struct *work)
 		if (!rtnl_trylock())
 			goto re_arm;
 
-		if (slave_state_changed) {
+		if (slave_state_changed)
 			bond_slave_state_change(bond);
-		} else if (do_failover) {
+		if (do_failover) {
 			/* the bond_select_active_slave must hold RTNL
 			 * and curr_slave_lock for write.
 			 */
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index fc59bc6f040b..cc11f7f5e91d 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -384,7 +384,7 @@ void can_free_echo_skb(struct net_device *dev, unsigned int idx)
 	BUG_ON(idx >= priv->echo_skb_max);
 
 	if (priv->echo_skb[idx]) {
-		kfree_skb(priv->echo_skb[idx]);
+		dev_kfree_skb_any(priv->echo_skb[idx]);
 		priv->echo_skb[idx] = NULL;
 	}
 }
diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c
index 7fbe85935f1d..f34f7fa1f901 100644
--- a/drivers/net/can/usb/esd_usb2.c
+++ b/drivers/net/can/usb/esd_usb2.c
@@ -1141,6 +1141,7 @@ static void esd_usb2_disconnect(struct usb_interface *intf)
 			}
 		}
 		unlink_all_urbs(dev);
+		kfree(dev);
 	}
 }
 
diff --git a/drivers/net/ieee802154/fakehard.c b/drivers/net/ieee802154/fakehard.c
index bf0d55e2dd63..6adbef89c4b0 100644
--- a/drivers/net/ieee802154/fakehard.c
+++ b/drivers/net/ieee802154/fakehard.c
@@ -376,17 +376,20 @@ static int ieee802154fake_probe(struct platform_device *pdev)
 
 	err = wpan_phy_register(phy);
 	if (err)
-		goto out;
+		goto err_phy_reg;
 
 	err = register_netdev(dev);
-	if (err < 0)
-		goto out;
+	if (err)
+		goto err_netdev_reg;
 
 	dev_info(&pdev->dev, "Added ieee802154 HardMAC hardware\n");
 	return 0;
 
-out:
-	unregister_netdev(dev);
+err_netdev_reg:
+	wpan_phy_unregister(phy);
+err_phy_reg:
+	free_netdev(dev);
+	wpan_phy_free(phy);
 	return err;
 }
 
diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
index 1aff970be33e..1dc628ffce2b 100644
--- a/drivers/net/ppp/pptp.c
+++ b/drivers/net/ppp/pptp.c
@@ -506,7 +506,9 @@ static int pptp_getname(struct socket *sock, struct sockaddr *uaddr,
 	int len = sizeof(struct sockaddr_pppox);
 	struct sockaddr_pppox sp;
 
-	sp.sa_family	  = AF_PPPOX;
+	memset(&sp.sa_addr, 0, sizeof(sp.sa_addr));
+
+	sp.sa_family    = AF_PPPOX;
 	sp.sa_protocol  = PX_PROTO_PPTP;
 	sp.sa_addr.pptp = pppox_sk(sock->sk)->proto.pptp.src_addr;
 
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index d510f1d41bae..db21af8de9f6 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -769,6 +769,7 @@ static const struct usb_device_id products[] = {
 	{QMI_FIXED_INTF(0x413c, 0x81a4, 8)},	/* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
 	{QMI_FIXED_INTF(0x413c, 0x81a8, 8)},	/* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */
 	{QMI_FIXED_INTF(0x413c, 0x81a9, 8)},	/* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
+	{QMI_FIXED_INTF(0x03f0, 0x581d, 4)},	/* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */
 
 	/* 4. Gobi 1000 devices */
 	{QMI_GOBI1K_DEVICE(0x05c6, 0x9212)},	/* Acer Gobi Modem Device */
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index 09facba1dc6d..390c2de5a73e 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -647,6 +647,19 @@ static void ar9003_hw_override_ini(struct ath_hw *ah)
 		ah->enabled_cals |= TX_CL_CAL;
 	else
 		ah->enabled_cals &= ~TX_CL_CAL;
+
+	if (AR_SREV_9340(ah) || AR_SREV_9531(ah) || AR_SREV_9550(ah)) {
+		if (ah->is_clk_25mhz) {
+			REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x17c << 1);
+			REG_WRITE(ah, AR_SLP32_MODE, 0x0010f3d7);
+			REG_WRITE(ah, AR_SLP32_INC, 0x0001e7ae);
+		} else {
+			REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x261 << 1);
+			REG_WRITE(ah, AR_SLP32_MODE, 0x0010f400);
+			REG_WRITE(ah, AR_SLP32_INC, 0x0001e800);
+		}
+		udelay(100);
+	}
 }
 
 static void ar9003_hw_prog_ini(struct ath_hw *ah,
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 9078a6c5a74e..dcc14940c9df 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -858,19 +858,6 @@ static void ath9k_hw_init_pll(struct ath_hw *ah,
 	udelay(RTC_PLL_SETTLE_DELAY);
 
 	REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_FORCE_DERIVED_CLK);
-
-	if (AR_SREV_9340(ah) || AR_SREV_9550(ah)) {
-		if (ah->is_clk_25mhz) {
-			REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x17c << 1);
-			REG_WRITE(ah, AR_SLP32_MODE, 0x0010f3d7);
-			REG_WRITE(ah,  AR_SLP32_INC, 0x0001e7ae);
-		} else {
-			REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x261 << 1);
-			REG_WRITE(ah, AR_SLP32_MODE, 0x0010f400);
-			REG_WRITE(ah,  AR_SLP32_INC, 0x0001e800);
-		}
-		udelay(100);
-	}
 }
 
 static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 5642ccceca7c..22d49d575d3f 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -158,55 +158,29 @@ void rt2x00queue_align_frame(struct sk_buff *skb)
 	skb_trim(skb, frame_length);
 }
 
-void rt2x00queue_insert_l2pad(struct sk_buff *skb, unsigned int header_length)
+/*
+ * H/W needs L2 padding between the header and the paylod if header size
+ * is not 4 bytes aligned.
+ */
+void rt2x00queue_insert_l2pad(struct sk_buff *skb, unsigned int hdr_len)
 {
-	unsigned int payload_length = skb->len - header_length;
-	unsigned int header_align = ALIGN_SIZE(skb, 0);
-	unsigned int payload_align = ALIGN_SIZE(skb, header_length);
-	unsigned int l2pad = payload_length ? L2PAD_SIZE(header_length) : 0;
+	unsigned int l2pad = (skb->len > hdr_len) ? L2PAD_SIZE(hdr_len) : 0;
 
-	/*
-	 * Adjust the header alignment if the payload needs to be moved more
-	 * than the header.
-	 */
-	if (payload_align > header_align)
-		header_align += 4;
-
-	/* There is nothing to do if no alignment is needed */
-	if (!header_align)
+	if (!l2pad)
 		return;
 
-	/* Reserve the amount of space needed in front of the frame */
-	skb_push(skb, header_align);
-
-	/*
-	 * Move the header.
-	 */
-	memmove(skb->data, skb->data + header_align, header_length);
-
-	/* Move the payload, if present and if required */
-	if (payload_length && payload_align)
-		memmove(skb->data + header_length + l2pad,
-			skb->data + header_length + l2pad + payload_align,
-			payload_length);
-
-	/* Trim the skb to the correct size */
-	skb_trim(skb, header_length + l2pad + payload_length);
+	skb_push(skb, l2pad);
+	memmove(skb->data, skb->data + l2pad, hdr_len);
 }
 
-void rt2x00queue_remove_l2pad(struct sk_buff *skb, unsigned int header_length)
+void rt2x00queue_remove_l2pad(struct sk_buff *skb, unsigned int hdr_len)
 {
-	/*
-	 * L2 padding is only present if the skb contains more than just the
-	 * IEEE 802.11 header.
-	 */
-	unsigned int l2pad = (skb->len > header_length) ?
-				L2PAD_SIZE(header_length) : 0;
+	unsigned int l2pad = (skb->len > hdr_len) ? L2PAD_SIZE(hdr_len) : 0;
 
 	if (!l2pad)
 		return;
 
-	memmove(skb->data + l2pad, skb->data, header_length);
+	memmove(skb->data + l2pad, skb->data, hdr_len);
 	skb_pull(skb, l2pad);
 }
 
diff --git a/drivers/of/address.c b/drivers/of/address.c
index 1a54f1ffaadb..005c65715846 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -401,6 +401,21 @@ static struct of_bus *of_match_bus(struct device_node *np)
 	return NULL;
 }
 
+static int of_empty_ranges_quirk(void)
+{
+	if (IS_ENABLED(CONFIG_PPC)) {
+		/* To save cycles, we cache the result */
+		static int quirk_state = -1;
+
+		if (quirk_state < 0)
+			quirk_state =
+				of_machine_is_compatible("Power Macintosh") ||
+				of_machine_is_compatible("MacRISC");
+		return quirk_state;
+	}
+	return false;
+}
+
 static int of_translate_one(struct device_node *parent, struct of_bus *bus,
 			    struct of_bus *pbus, __be32 *addr,
 			    int na, int ns, int pna, const char *rprop)
@@ -426,12 +441,10 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus,
 	 * This code is only enabled on powerpc. --gcl
 	 */
 	ranges = of_get_property(parent, rprop, &rlen);
-#if !defined(CONFIG_PPC)
-	if (ranges == NULL) {
+	if (ranges == NULL && !of_empty_ranges_quirk()) {
 		pr_err("OF: no ranges; cannot translate\n");
 		return 1;
 	}
-#endif /* !defined(CONFIG_PPC) */
 	if (ranges == NULL || rlen == 0) {
 		offset = of_read_number(addr, na);
 		memset(addr, 0, pna * 4);
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index fb02fc2fb034..ced17f2ac782 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -599,6 +599,20 @@ error_attrs:
 	return ret;
 }
 
+static int msi_verify_entries(struct pci_dev *dev)
+{
+	struct msi_desc *entry;
+
+	list_for_each_entry(entry, &dev->msi_list, list) {
+		if (!dev->no_64bit_msi || !entry->msg.address_hi)
+			continue;
+		dev_err(&dev->dev, "Device has broken 64-bit MSI but arch"
+			" tried to assign one above 4G\n");
+		return -EIO;
+	}
+	return 0;
+}
+
 /**
  * msi_capability_init - configure device's MSI capability structure
  * @dev: pointer to the pci_dev data structure of MSI device function
@@ -652,6 +666,13 @@ static int msi_capability_init(struct pci_dev *dev, int nvec)
 		return ret;
 	}
 
+	ret = msi_verify_entries(dev);
+	if (ret) {
+		msi_mask_irq(entry, mask, ~mask);
+		free_msi_irqs(dev);
+		return ret;
+	}
+
 	ret = populate_msi_sysfs(dev);
 	if (ret) {
 		msi_mask_irq(entry, mask, ~mask);
@@ -767,6 +788,11 @@ static int msix_capability_init(struct pci_dev *dev,
 	if (ret)
 		goto out_avail;
 
+	/* Check if all MSI entries honor device restrictions */
+	ret = msi_verify_entries(dev);
+	if (ret)
+		goto out_free;
+
 	/*
 	 * Some devices require MSI-X to be enabled before we can touch the
 	 * MSI-X registers.  We need to mask all the vectors to prevent
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 6e34498ec9f0..34dff3a09b98 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -395,15 +395,16 @@ static void pci_read_bridge_mmio_pref(struct pci_bus *child)
 {
 	struct pci_dev *dev = child->self;
 	u16 mem_base_lo, mem_limit_lo;
-	unsigned long base, limit;
+	u64 base64, limit64;
+	dma_addr_t base, limit;
 	struct pci_bus_region region;
 	struct resource *res;
 
 	res = child->resource[2];
 	pci_read_config_word(dev, PCI_PREF_MEMORY_BASE, &mem_base_lo);
 	pci_read_config_word(dev, PCI_PREF_MEMORY_LIMIT, &mem_limit_lo);
-	base = ((unsigned long) mem_base_lo & PCI_PREF_RANGE_MASK) << 16;
-	limit = ((unsigned long) mem_limit_lo & PCI_PREF_RANGE_MASK) << 16;
+	base64 = (mem_base_lo & PCI_PREF_RANGE_MASK) << 16;
+	limit64 = (mem_limit_lo & PCI_PREF_RANGE_MASK) << 16;
 
 	if ((mem_base_lo & PCI_PREF_RANGE_TYPE_MASK) == PCI_PREF_RANGE_TYPE_64) {
 		u32 mem_base_hi, mem_limit_hi;
@@ -417,18 +418,20 @@ static void pci_read_bridge_mmio_pref(struct pci_bus *child)
 		 * this, just assume they are not being used.
 		 */
 		if (mem_base_hi <= mem_limit_hi) {
-#if BITS_PER_LONG == 64
-			base |= ((unsigned long) mem_base_hi) << 32;
-			limit |= ((unsigned long) mem_limit_hi) << 32;
-#else
-			if (mem_base_hi || mem_limit_hi) {
-				dev_err(&dev->dev, "can't handle 64-bit "
-					"address space for bridge\n");
-				return;
-			}
-#endif
+			base64 |= (u64) mem_base_hi << 32;
+			limit64 |= (u64) mem_limit_hi << 32;
 		}
 	}
+
+	base = (dma_addr_t) base64;
+	limit = (dma_addr_t) limit64;
+
+	if (base != base64) {
+		dev_err(&dev->dev, "can't handle bridge window above 4GB (bus address %#010llx)\n",
+			(unsigned long long) base64);
+		return;
+	}
+
 	if (base <= limit) {
 		res->flags = (mem_base_lo & PCI_PREF_RANGE_TYPE_MASK) |
 					 IORESOURCE_MEM | IORESOURCE_PREFETCH;
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index 9b948505d118..cc6b13b81c53 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -411,6 +411,7 @@ static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev,
 	struct fc_frame_header *fh;
 	struct fcoe_rcv_info *fr;
 	struct fcoe_percpu_s *bg;
+	struct sk_buff *tmp_skb;
 	unsigned short oxid;
 
 	interface = container_of(ptype, struct bnx2fc_interface,
@@ -423,6 +424,12 @@ static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev,
 		goto err;
 	}
 
+	tmp_skb = skb_share_check(skb, GFP_ATOMIC);
+	if (!tmp_skb)
+		goto err;
+
+	skb = tmp_skb;
+
 	if (unlikely(eth_hdr(skb)->h_proto != htons(ETH_P_FCOE))) {
 		printk(KERN_ERR PFX "bnx2fc_rcv: Wrong FC type frame\n");
 		goto err;
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index 49014a143c6a..c1d04d4d3c6c 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -202,6 +202,7 @@ static struct {
 	{"IOMEGA", "Io20S         *F", NULL, BLIST_KEY},
 	{"INSITE", "Floptical   F*8I", NULL, BLIST_KEY},
 	{"INSITE", "I325VM", NULL, BLIST_KEY},
+	{"Intel", "Multi-Flex", NULL, BLIST_NO_RSOC},
 	{"iRiver", "iFP Mass Driver", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},
 	{"LASOUND", "CDX7405", "3.10", BLIST_MAX5LUN | BLIST_SINGLELUN},
 	{"MATSHITA", "PD-1", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index e63d27013142..e543b80d610e 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -394,9 +394,6 @@ static void pump_transfers(unsigned long data)
 	chip = dws->cur_chip;
 	spi = message->spi;
 
-	if (unlikely(!chip->clk_div))
-		chip->clk_div = dws->max_freq / chip->speed_hz;
-
 	if (message->state == ERROR_STATE) {
 		message->status = -EIO;
 		goto early_exit;
@@ -437,7 +434,7 @@ static void pump_transfers(unsigned long data)
 	if (transfer->speed_hz) {
 		speed = chip->speed_hz;
 
-		if (transfer->speed_hz != speed) {
+		if ((transfer->speed_hz != speed) || (!chip->clk_div)) {
 			speed = transfer->speed_hz;
 			if (speed > dws->max_freq) {
 				printk(KERN_ERR "MRST SPI0: unsupported"
@@ -659,7 +656,6 @@ static int dw_spi_setup(struct spi_device *spi)
 		dev_err(&spi->dev, "No max speed HZ parameter\n");
 		return -EINVAL;
 	}
-	chip->speed_hz = spi->max_speed_hz;
 
 	chip->tmode = 0; /* Tx & Rx */
 	/* Default SPI mode is SCPOL = 0, SCPH = 0 */
diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
index fed699fc5918..2185a71055f2 100644
--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
@@ -57,6 +57,7 @@ static struct usb_device_id rtw_usb_id_tbl[] = {
 	{USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */
 	{USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
 	{USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */
+	{USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
 	{USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
 	{}	/* Terminating entry */
 };
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 9232c7738ed1..e6463ef33cd2 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2230,7 +2230,7 @@ transport_generic_new_cmd(struct se_cmd *cmd)
 	 * and let it call back once the write buffers are ready.
 	 */
 	target_add_to_state_list(cmd);
-	if (cmd->data_direction != DMA_TO_DEVICE) {
+	if (cmd->data_direction != DMA_TO_DEVICE || cmd->data_length == 0) {
 		target_execute_cmd(cmd);
 		return 0;
 	}
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index c85459338991..b195fdb1effc 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -44,6 +44,9 @@ static const struct usb_device_id usb_quirk_list[] = {
 	/* Creative SB Audigy 2 NX */
 	{ USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* Microsoft Wireless Laser Mouse 6000 Receiver */
+	{ USB_DEVICE(0x045e, 0x00e1), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	/* Microsoft LifeCam-VX700 v2.0 */
 	{ USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME },
 
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 75cb1ff9d26b..73c43e5e231b 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -281,7 +281,7 @@ static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup)
 	if (xhci_compliance_mode_recovery_timer_quirk_check())
 		pdev->no_d3cold = true;
 
-	return xhci_suspend(xhci);
+	return xhci_suspend(xhci, do_wakeup);
 }
 
 static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated)
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 8abda5c73ca1..1d5ba3c299cc 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -205,7 +205,15 @@ static int xhci_plat_suspend(struct device *dev)
 	struct usb_hcd	*hcd = dev_get_drvdata(dev);
 	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
 
-	return xhci_suspend(xhci);
+	/*
+	 * xhci_suspend() needs `do_wakeup` to know whether host is allowed
+	 * to do wakeup during suspend. Since xhci_plat_suspend is currently
+	 * only designed for system suspend, device_may_wakeup() is enough
+	 * to dertermine whether host is allowed to do wakeup. Need to
+	 * reconsider this when xhci_plat_suspend enlarges its scope, e.g.,
+	 * also applies to runtime suspend.
+	 */
+	return xhci_suspend(xhci, device_may_wakeup(dev));
 }
 
 static int xhci_plat_resume(struct device *dev)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 0e6665a82e88..1710a8678bcb 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1180,9 +1180,8 @@ static void xhci_handle_cmd_reset_ep(struct xhci_hcd *xhci, int slot_id,
 				false);
 		xhci_ring_cmd_db(xhci);
 	} else {
-		/* Clear our internal halted state and restart the ring(s) */
+		/* Clear our internal halted state */
 		xhci->devs[slot_id]->eps[ep_index].ep_state &= ~EP_HALTED;
-		ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
 	}
 }
 
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 82b563fc4fd6..17e398748a2d 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -35,6 +35,8 @@
 #define DRIVER_AUTHOR "Sarah Sharp"
 #define DRIVER_DESC "'eXtensible' Host Controller (xHC) Driver"
 
+#define	PORT_WAKE_BITS	(PORT_WKOC_E | PORT_WKDISC_E | PORT_WKCONN_E)
+
 /* Some 0.95 hardware can't handle the chain bit on a Link TRB being cleared */
 static int link_quirk;
 module_param(link_quirk, int, S_IRUGO | S_IWUSR);
@@ -842,13 +844,47 @@ static void xhci_clear_command_ring(struct xhci_hcd *xhci)
 	xhci_set_cmd_ring_deq(xhci);
 }
 
+static void xhci_disable_port_wake_on_bits(struct xhci_hcd *xhci)
+{
+	int port_index;
+	__le32 __iomem **port_array;
+	unsigned long flags;
+	u32 t1, t2;
+
+	spin_lock_irqsave(&xhci->lock, flags);
+
+	/* disble usb3 ports Wake bits*/
+	port_index = xhci->num_usb3_ports;
+	port_array = xhci->usb3_ports;
+	while (port_index--) {
+		t1 = readl(port_array[port_index]);
+		t1 = xhci_port_state_to_neutral(t1);
+		t2 = t1 & ~PORT_WAKE_BITS;
+		if (t1 != t2)
+			writel(t2, port_array[port_index]);
+	}
+
+	/* disble usb2 ports Wake bits*/
+	port_index = xhci->num_usb2_ports;
+	port_array = xhci->usb2_ports;
+	while (port_index--) {
+		t1 = readl(port_array[port_index]);
+		t1 = xhci_port_state_to_neutral(t1);
+		t2 = t1 & ~PORT_WAKE_BITS;
+		if (t1 != t2)
+			writel(t2, port_array[port_index]);
+	}
+
+	spin_unlock_irqrestore(&xhci->lock, flags);
+}
+
 /*
  * Stop HC (not bus-specific)
  *
  * This is called when the machine transition into S3/S4 mode.
  *
  */
-int xhci_suspend(struct xhci_hcd *xhci)
+int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup)
 {
 	int			rc = 0;
 	unsigned int		delay = XHCI_MAX_HALT_USEC;
@@ -859,6 +895,10 @@ int xhci_suspend(struct xhci_hcd *xhci)
 			xhci->shared_hcd->state != HC_STATE_SUSPENDED)
 		return -EINVAL;
 
+	/* Clear root port wake on bits if wakeup not allowed. */
+	if (!do_wakeup)
+		xhci_disable_port_wake_on_bits(xhci);
+
 	/* Don't poll the roothubs on bus suspend. */
 	xhci_dbg(xhci, "%s: stopping port polling.\n", __func__);
 	clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 8faef64371c6..96e9e780ccae 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1760,7 +1760,7 @@ void xhci_shutdown(struct usb_hcd *hcd);
 int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks);
 
 #ifdef	CONFIG_PM
-int xhci_suspend(struct xhci_hcd *xhci);
+int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup);
 int xhci_resume(struct xhci_hcd *xhci, bool hibernated);
 #else
 #define	xhci_suspend	NULL
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 3beae723ad3a..5741e9405069 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -120,6 +120,7 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
 	{ USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */
 	{ USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */
+	{ USB_DEVICE(0x10C4, 0x8875) }, /* CEL MeshConnect USB Stick */
 	{ USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
 	{ USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */
 	{ USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index a523adad6380..debcdef4cbf0 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -483,6 +483,39 @@ static const struct usb_device_id id_table_combined[] = {
 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_4701_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9300_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9301_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9302_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9303_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9304_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9305_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9306_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9307_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9308_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9309_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930A_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930B_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930C_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930D_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930E_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930F_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9310_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9311_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9312_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9313_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9314_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9315_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9316_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9317_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9318_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9319_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931A_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931B_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931C_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931D_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931E_PID) },
+	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931F_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 6786b705ccf6..e52409c9be99 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -926,8 +926,8 @@
 #define BAYER_CONTOUR_CABLE_PID        0x6001
 
 /*
- * The following are the values for the Matrix Orbital FTDI Range
- * Anything in this range will use an FT232RL.
+ * Matrix Orbital Intelligent USB displays.
+ * http://www.matrixorbital.com
  */
 #define MTXORB_VID			0x1B3D
 #define MTXORB_FTDI_RANGE_0100_PID	0x0100
@@ -1186,8 +1186,39 @@
 #define MTXORB_FTDI_RANGE_01FD_PID	0x01FD
 #define MTXORB_FTDI_RANGE_01FE_PID	0x01FE
 #define MTXORB_FTDI_RANGE_01FF_PID	0x01FF
-
-
+#define MTXORB_FTDI_RANGE_4701_PID	0x4701
+#define MTXORB_FTDI_RANGE_9300_PID	0x9300
+#define MTXORB_FTDI_RANGE_9301_PID	0x9301
+#define MTXORB_FTDI_RANGE_9302_PID	0x9302
+#define MTXORB_FTDI_RANGE_9303_PID	0x9303
+#define MTXORB_FTDI_RANGE_9304_PID	0x9304
+#define MTXORB_FTDI_RANGE_9305_PID	0x9305
+#define MTXORB_FTDI_RANGE_9306_PID	0x9306
+#define MTXORB_FTDI_RANGE_9307_PID	0x9307
+#define MTXORB_FTDI_RANGE_9308_PID	0x9308
+#define MTXORB_FTDI_RANGE_9309_PID	0x9309
+#define MTXORB_FTDI_RANGE_930A_PID	0x930A
+#define MTXORB_FTDI_RANGE_930B_PID	0x930B
+#define MTXORB_FTDI_RANGE_930C_PID	0x930C
+#define MTXORB_FTDI_RANGE_930D_PID	0x930D
+#define MTXORB_FTDI_RANGE_930E_PID	0x930E
+#define MTXORB_FTDI_RANGE_930F_PID	0x930F
+#define MTXORB_FTDI_RANGE_9310_PID	0x9310
+#define MTXORB_FTDI_RANGE_9311_PID	0x9311
+#define MTXORB_FTDI_RANGE_9312_PID	0x9312
+#define MTXORB_FTDI_RANGE_9313_PID	0x9313
+#define MTXORB_FTDI_RANGE_9314_PID	0x9314
+#define MTXORB_FTDI_RANGE_9315_PID	0x9315
+#define MTXORB_FTDI_RANGE_9316_PID	0x9316
+#define MTXORB_FTDI_RANGE_9317_PID	0x9317
+#define MTXORB_FTDI_RANGE_9318_PID	0x9318
+#define MTXORB_FTDI_RANGE_9319_PID	0x9319
+#define MTXORB_FTDI_RANGE_931A_PID	0x931A
+#define MTXORB_FTDI_RANGE_931B_PID	0x931B
+#define MTXORB_FTDI_RANGE_931C_PID	0x931C
+#define MTXORB_FTDI_RANGE_931D_PID	0x931D
+#define MTXORB_FTDI_RANGE_931E_PID	0x931E
+#define MTXORB_FTDI_RANGE_931F_PID	0x931F
 
 /*
  * The Mobility Lab (TML)
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 265c6776b081..49101fe45d38 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -311,24 +311,30 @@ static void	usa26_indat_callback(struct urb *urb)
 		if ((data[0] & 0x80) == 0) {
 			/* no errors on individual bytes, only
 			   possible overrun err */
-			if (data[0] & RXERROR_OVERRUN)
-				err = TTY_OVERRUN;
-			else
-				err = 0;
+			if (data[0] & RXERROR_OVERRUN) {
+				tty_insert_flip_char(&port->port, 0,
+								TTY_OVERRUN);
+			}
 			for (i = 1; i < urb->actual_length ; ++i)
-				tty_insert_flip_char(&port->port, data[i], err);
+				tty_insert_flip_char(&port->port, data[i],
+								TTY_NORMAL);
 		} else {
 			/* some bytes had errors, every byte has status */
 			dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__);
 			for (i = 0; i + 1 < urb->actual_length; i += 2) {
-				int stat = data[i], flag = 0;
-				if (stat & RXERROR_OVERRUN)
-					flag |= TTY_OVERRUN;
-				if (stat & RXERROR_FRAMING)
-					flag |= TTY_FRAME;
-				if (stat & RXERROR_PARITY)
-					flag |= TTY_PARITY;
+				int stat = data[i];
+				int flag = TTY_NORMAL;
+
+				if (stat & RXERROR_OVERRUN) {
+					tty_insert_flip_char(&port->port, 0,
+								TTY_OVERRUN);
+				}
 				/* XXX should handle break (0x10) */
+				if (stat & RXERROR_PARITY)
+					flag = TTY_PARITY;
+				else if (stat & RXERROR_FRAMING)
+					flag = TTY_FRAME;
+
 				tty_insert_flip_char(&port->port, data[i+1],
 						flag);
 			}
@@ -666,14 +672,19 @@ static void	usa49_indat_callback(struct urb *urb)
 		} else {
 			/* some bytes had errors, every byte has status */
 			for (i = 0; i + 1 < urb->actual_length; i += 2) {
-				int stat = data[i], flag = 0;
-				if (stat & RXERROR_OVERRUN)
-					flag |= TTY_OVERRUN;
-				if (stat & RXERROR_FRAMING)
-					flag |= TTY_FRAME;
-				if (stat & RXERROR_PARITY)
-					flag |= TTY_PARITY;
+				int stat = data[i];
+				int flag = TTY_NORMAL;
+
+				if (stat & RXERROR_OVERRUN) {
+					tty_insert_flip_char(&port->port, 0,
+								TTY_OVERRUN);
+				}
 				/* XXX should handle break (0x10) */
+				if (stat & RXERROR_PARITY)
+					flag = TTY_PARITY;
+				else if (stat & RXERROR_FRAMING)
+					flag = TTY_FRAME;
+
 				tty_insert_flip_char(&port->port, data[i+1],
 						flag);
 			}
@@ -730,15 +741,19 @@ static void usa49wg_indat_callback(struct urb *urb)
 			 */
 			for (x = 0; x + 1 < len &&
 				    i + 1 < urb->actual_length; x += 2) {
-				int stat = data[i], flag = 0;
+				int stat = data[i];
+				int flag = TTY_NORMAL;
 
-				if (stat & RXERROR_OVERRUN)
-					flag |= TTY_OVERRUN;
-				if (stat & RXERROR_FRAMING)
-					flag |= TTY_FRAME;
-				if (stat & RXERROR_PARITY)
-					flag |= TTY_PARITY;
+				if (stat & RXERROR_OVERRUN) {
+					tty_insert_flip_char(&port->port, 0,
+								TTY_OVERRUN);
+				}
 				/* XXX should handle break (0x10) */
+				if (stat & RXERROR_PARITY)
+					flag = TTY_PARITY;
+				else if (stat & RXERROR_FRAMING)
+					flag = TTY_FRAME;
+
 				tty_insert_flip_char(&port->port, data[i+1],
 						     flag);
 				i += 2;
@@ -790,25 +805,31 @@ static void usa90_indat_callback(struct urb *urb)
 			if ((data[0] & 0x80) == 0) {
 				/* no errors on individual bytes, only
 				   possible overrun err*/
-				if (data[0] & RXERROR_OVERRUN)
-					err = TTY_OVERRUN;
-				else
-					err = 0;
+				if (data[0] & RXERROR_OVERRUN) {
+					tty_insert_flip_char(&port->port, 0,
+								TTY_OVERRUN);
+				}
 				for (i = 1; i < urb->actual_length ; ++i)
 					tty_insert_flip_char(&port->port,
-							data[i], err);
+							data[i], TTY_NORMAL);
 			}  else {
 			/* some bytes had errors, every byte has status */
 				dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__);
 				for (i = 0; i + 1 < urb->actual_length; i += 2) {
-					int stat = data[i], flag = 0;
-					if (stat & RXERROR_OVERRUN)
-						flag |= TTY_OVERRUN;
-					if (stat & RXERROR_FRAMING)
-						flag |= TTY_FRAME;
-					if (stat & RXERROR_PARITY)
-						flag |= TTY_PARITY;
+					int stat = data[i];
+					int flag = TTY_NORMAL;
+
+					if (stat & RXERROR_OVERRUN) {
+						tty_insert_flip_char(
+								&port->port, 0,
+								TTY_OVERRUN);
+					}
 					/* XXX should handle break (0x10) */
+					if (stat & RXERROR_PARITY)
+						flag = TTY_PARITY;
+					else if (stat & RXERROR_FRAMING)
+						flag = TTY_FRAME;
+
 					tty_insert_flip_char(&port->port,
 							data[i+1], flag);
 				}
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index a7fe664b6b7d..70a098de429f 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -490,10 +490,9 @@ static void ssu100_update_lsr(struct usb_serial_port *port, u8 lsr,
 			if (*tty_flag == TTY_NORMAL)
 				*tty_flag = TTY_FRAME;
 		}
-		if (lsr & UART_LSR_OE){
+		if (lsr & UART_LSR_OE) {
 			port->icount.overrun++;
-			if (*tty_flag == TTY_NORMAL)
-				*tty_flag = TTY_OVERRUN;
+			tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
 		}
 	}
 
@@ -511,12 +510,8 @@ static void ssu100_process_read_urb(struct urb *urb)
 	if ((len >= 4) &&
 	    (packet[0] == 0x1b) && (packet[1] == 0x1b) &&
 	    ((packet[2] == 0x00) || (packet[2] == 0x01))) {
-		if (packet[2] == 0x00) {
+		if (packet[2] == 0x00)
 			ssu100_update_lsr(port, packet[3], &flag);
-			if (flag == TTY_OVERRUN)
-				tty_insert_flip_char(&port->port, 0,
-						TTY_OVERRUN);
-		}
 		if (packet[2] == 0x01)
 			ssu100_update_msr(port, packet[3]);
 
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index e48d4a672580..5d0b7b846440 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -1200,6 +1200,7 @@ static int
 vhost_scsi_set_endpoint(struct vhost_scsi *vs,
 			struct vhost_scsi_target *t)
 {
+	struct se_portal_group *se_tpg;
 	struct tcm_vhost_tport *tv_tport;
 	struct tcm_vhost_tpg *tpg;
 	struct tcm_vhost_tpg **vs_tpg;
@@ -1247,6 +1248,21 @@ vhost_scsi_set_endpoint(struct vhost_scsi *vs,
 				ret = -EEXIST;
 				goto out;
 			}
+			/*
+			 * In order to ensure individual vhost-scsi configfs
+			 * groups cannot be removed while in use by vhost ioctl,
+			 * go ahead and take an explicit se_tpg->tpg_group.cg_item
+			 * dependency now.
+			 */
+			se_tpg = &tpg->se_tpg;
+			ret = configfs_depend_item(se_tpg->se_tpg_tfo->tf_subsys,
+						   &se_tpg->tpg_group.cg_item);
+			if (ret) {
+				pr_warn("configfs_depend_item() failed: %d\n", ret);
+				kfree(vs_tpg);
+				mutex_unlock(&tpg->tv_tpg_mutex);
+				goto out;
+			}
 			tpg->tv_tpg_vhost_count++;
 			tpg->vhost_scsi = vs;
 			vs_tpg[tpg->tport_tpgt] = tpg;
@@ -1289,6 +1305,7 @@ static int
 vhost_scsi_clear_endpoint(struct vhost_scsi *vs,
 			  struct vhost_scsi_target *t)
 {
+	struct se_portal_group *se_tpg;
 	struct tcm_vhost_tport *tv_tport;
 	struct tcm_vhost_tpg *tpg;
 	struct vhost_virtqueue *vq;
@@ -1337,6 +1354,13 @@ vhost_scsi_clear_endpoint(struct vhost_scsi *vs,
 		vs->vs_tpg[target] = NULL;
 		match = true;
 		mutex_unlock(&tpg->tv_tpg_mutex);
+		/*
+		 * Release se_tpg->tpg_group.cg_item configfs dependency now
+		 * to allow vhost-scsi WWPN se_tpg->tpg_group shutdown to occur.
+		 */
+		se_tpg = &tpg->se_tpg;
+		configfs_undepend_item(se_tpg->se_tpg_tfo->tf_subsys,
+				       &se_tpg->tpg_group.cg_item);
 	}
 	if (match) {
 		for (i = 0; i < VHOST_SCSI_MAX_VQ; i++) {