Merge branch 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (30 commits)
  USB: ftdi_sio: add Calao reference board support
  USB option driver K3765/K4505 avoid CDC_DATA interface
  USB: option: add YUGA device id to driver
  usb: s5p-ehci: fix a NULL pointer deference
  USB: EHCI: Do not rely on PORT_SUSPEND to stop USB resuming in ehci_bus_resume().
  USB option driver add PID of Huawei Vodafone K4605
  USB option driver add PID of Huawei Vodafone K3806
  xhci: Handle zero-length isochronous packets.
  USB: Avoid NULL pointer deref in usb_hcd_alloc_bandwidth.
  usb: musb: gadget: fix error path
  usb: gadget: f_phonet: unlock in error case
  usb: musb: blackfin: include prefetch head file
  usb: musb: tusb6010: fix compilation
  usb: gadget: renesas_usbhs: fix DMA build by including dma-mapping.h
  usb: musb: cppi: fix build errors due to DBG and missing musb variable
  usb: musb: ux500: replace missing DBG with dev_dbg
  usb: musb: ux500: set dma config for both src and dst
  usb: musb: fix oops on musb_gadget_pullup
  usb: host: ehci-omap: fix .remove and failure handling path of .probe(v1)
  usb: gadget: hid: don't STALL when processing a HID Descriptor request
  ...

drivers/usb/core/hcd.c

@@ -1775,6 +1775,8 @@ int usb_hcd_alloc_bandwidth(struct usb_device *udev,
 		struct usb_interface *iface = usb_ifnum_to_if(udev,
 				cur_alt->desc.bInterfaceNumber);
 
+		if (!iface)
+			return -EINVAL;
 		if (iface->resetting_device) {
 			/*
 			 * The USB core just reset the device, so the xHCI host

drivers/usb/gadget/f_phonet.c

@@ -434,6 +434,7 @@ static int pn_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
 			    config_ep_by_speed(gadget, f, fp->out_ep)) {
 				fp->in_ep->desc = NULL;
 				fp->out_ep->desc = NULL;
+				spin_unlock(&port->lock);
 				return -EINVAL;
 			}
 			usb_ep_enable(fp->out_ep);

drivers/usb/host/ehci-hub.c

@@ -343,7 +343,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
 	u32			temp;
 	u32			power_okay;
 	int			i;
-	u8			resume_needed = 0;
+	unsigned long		resume_needed = 0;
 
 	if (time_before (jiffies, ehci->next_statechange))
 		msleep(5);
@@ -416,7 +416,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
 		if (test_bit(i, &ehci->bus_suspended) &&
 				(temp & PORT_SUSPEND)) {
 			temp |= PORT_RESUME;
-			resume_needed = 1;
+			set_bit(i, &resume_needed);
 		}
 		ehci_writel(ehci, temp, &ehci->regs->port_status [i]);
 	}
@@ -431,8 +431,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
 	i = HCS_N_PORTS (ehci->hcs_params);
 	while (i--) {
 		temp = ehci_readl(ehci, &ehci->regs->port_status [i]);
-		if (test_bit(i, &ehci->bus_suspended) &&
-				(temp & PORT_SUSPEND)) {
+		if (test_bit(i, &resume_needed)) {
 			temp &= ~(PORT_RWC_BITS | PORT_RESUME);
 			ehci_writel(ehci, temp, &ehci->regs->port_status [i]);
 			ehci_vdbg (ehci, "resumed port %d\n", i + 1);

drivers/usb/host/ehci-s5p.c

@@ -86,6 +86,7 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev)
 		goto fail_hcd;
 	}
 
+	s5p_ehci->hcd = hcd;
 	s5p_ehci->clk = clk_get(&pdev->dev, "usbhost");
 
 	if (IS_ERR(s5p_ehci->clk)) {

drivers/usb/host/xhci-hub.c

@@ -463,10 +463,11 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 					&& (temp & PORT_POWER))
 				status |= USB_PORT_STAT_SUSPEND;
 		}
-		if ((temp & PORT_PLS_MASK) == XDEV_RESUME) {
+		if ((temp & PORT_PLS_MASK) == XDEV_RESUME &&
+				!DEV_SUPERSPEED(temp)) {
 			if ((temp & PORT_RESET) || !(temp & PORT_PE))
 				goto error;
-			if (!DEV_SUPERSPEED(temp) && time_after_eq(jiffies,
+			if (time_after_eq(jiffies,
 					bus_state->resume_done[wIndex])) {
 				xhci_dbg(xhci, "Resume USB2 port %d\n",
 					wIndex + 1);
@@ -487,6 +488,14 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 				xhci_ring_device(xhci, slot_id);
 				bus_state->port_c_suspend |= 1 << wIndex;
 				bus_state->suspended_ports &= ~(1 << wIndex);
+			} else {
+				/*
+				 * The resume has been signaling for less than
+				 * 20ms. Report the port status as SUSPEND,
+				 * let the usbcore check port status again
+				 * and clear resume signaling later.
+				 */
+				status |= USB_PORT_STAT_SUSPEND;
 			}
 		}
 		if ((temp & PORT_PLS_MASK) == XDEV_U0
@@ -664,7 +673,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			xhci_dbg(xhci, "PORTSC %04x\n", temp);
 			if (temp & PORT_RESET)
 				goto error;
-			if (temp & XDEV_U3) {
+			if ((temp & PORT_PLS_MASK) == XDEV_U3) {
 				if ((temp & PORT_PE) == 0)
 					goto error;
 

drivers/usb/host/xhci-ring.c

@@ -514,8 +514,12 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
 			(unsigned long long) addr);
 }
 
+/* flip_cycle means flip the cycle bit of all but the first and last TRB.
+ * (The last TRB actually points to the ring enqueue pointer, which is not part
+ * of this TD.)  This is used to remove partially enqueued isoc TDs from a ring.
+ */
 static void td_to_noop(struct xhci_hcd *xhci, struct xhci_ring *ep_ring,
-		struct xhci_td *cur_td)
+		struct xhci_td *cur_td, bool flip_cycle)
 {
 	struct xhci_segment *cur_seg;
 	union xhci_trb *cur_trb;
@@ -528,6 +532,12 @@ static void td_to_noop(struct xhci_hcd *xhci, struct xhci_ring *ep_ring,
 			 * leave the pointers intact.
 			 */
 			cur_trb->generic.field[3] &= cpu_to_le32(~TRB_CHAIN);
+			/* Flip the cycle bit (link TRBs can't be the first
+			 * or last TRB).
+			 */
+			if (flip_cycle)
+				cur_trb->generic.field[3] ^=
+					cpu_to_le32(TRB_CYCLE);
 			xhci_dbg(xhci, "Cancel (unchain) link TRB\n");
 			xhci_dbg(xhci, "Address = %p (0x%llx dma); "
 					"in seg %p (0x%llx dma)\n",
@@ -541,6 +551,11 @@ static void td_to_noop(struct xhci_hcd *xhci, struct xhci_ring *ep_ring,
 			cur_trb->generic.field[2] = 0;
 			/* Preserve only the cycle bit of this TRB */
 			cur_trb->generic.field[3] &= cpu_to_le32(TRB_CYCLE);
+			/* Flip the cycle bit except on the first or last TRB */
+			if (flip_cycle && cur_trb != cur_td->first_trb &&
+					cur_trb != cur_td->last_trb)
+				cur_trb->generic.field[3] ^=
+					cpu_to_le32(TRB_CYCLE);
 			cur_trb->generic.field[3] |= cpu_to_le32(
 				TRB_TYPE(TRB_TR_NOOP));
 			xhci_dbg(xhci, "Cancel TRB %p (0x%llx dma) "
@@ -719,14 +734,14 @@ static void handle_stopped_endpoint(struct xhci_hcd *xhci,
 					cur_td->urb->stream_id,
 					cur_td, &deq_state);
 		else
-			td_to_noop(xhci, ep_ring, cur_td);
+			td_to_noop(xhci, ep_ring, cur_td, false);
 remove_finished_td:
 		/*
 		 * The event handler won't see a completion for this TD anymore,
 		 * so remove it from the endpoint ring's TD list.  Keep it in
 		 * the cancelled TD list for URB completion later.
 		 */
-		list_del(&cur_td->td_list);
+		list_del_init(&cur_td->td_list);
 	}
 	last_unlinked_td = cur_td;
 	xhci_stop_watchdog_timer_in_irq(xhci, ep);
@@ -754,7 +769,7 @@ static void handle_stopped_endpoint(struct xhci_hcd *xhci,
 	do {
 		cur_td = list_entry(ep->cancelled_td_list.next,
 				struct xhci_td, cancelled_td_list);
-		list_del(&cur_td->cancelled_td_list);
+		list_del_init(&cur_td->cancelled_td_list);
 
 		/* Clean up the cancelled URB */
 		/* Doesn't matter what we pass for status, since the core will
@@ -862,9 +877,9 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg)
 				cur_td = list_first_entry(&ring->td_list,
 						struct xhci_td,
 						td_list);
-				list_del(&cur_td->td_list);
+				list_del_init(&cur_td->td_list);
 				if (!list_empty(&cur_td->cancelled_td_list))
-					list_del(&cur_td->cancelled_td_list);
+					list_del_init(&cur_td->cancelled_td_list);
 				xhci_giveback_urb_in_irq(xhci, cur_td,
 						-ESHUTDOWN, "killed");
 			}
@@ -873,7 +888,7 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg)
 						&temp_ep->cancelled_td_list,
 						struct xhci_td,
 						cancelled_td_list);
-				list_del(&cur_td->cancelled_td_list);
+				list_del_init(&cur_td->cancelled_td_list);
 				xhci_giveback_urb_in_irq(xhci, cur_td,
 						-ESHUTDOWN, "killed");
 			}
@@ -1565,10 +1580,10 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td,
 			else
 				*status = 0;
 		}
-		list_del(&td->td_list);
+		list_del_init(&td->td_list);
 		/* Was this TD slated to be cancelled but completed anyway? */
 		if (!list_empty(&td->cancelled_td_list))
-			list_del(&td->cancelled_td_list);
+			list_del_init(&td->cancelled_td_list);
 
 		urb_priv->td_cnt++;
 		/* Giveback the urb when all the tds are completed */
@@ -2500,12 +2515,9 @@ static int prepare_transfer(struct xhci_hcd *xhci,
 
 	if (td_index == 0) {
 		ret = usb_hcd_link_urb_to_ep(bus_to_hcd(urb->dev->bus), urb);
-		if (unlikely(ret)) {
-			xhci_urb_free_priv(xhci, urb_priv);
-			urb->hcpriv = NULL;
+		if (unlikely(ret))
 			return ret;
 	}
-	}
 
 	td->urb = urb;
 	/* Add this TD to the tail of the endpoint ring's TD list */
@@ -2672,6 +2684,10 @@ static u32 xhci_v1_0_td_remainder(int running_total, int trb_buff_len,
 {
 	int packets_transferred;
 
+	/* One TRB with a zero-length data packet. */
+	if (running_total == 0 && trb_buff_len == 0)
+		return 0;
+
 	/* All the TRB queueing functions don't count the current TRB in
 	 * running_total.
 	 */
@@ -3113,20 +3129,15 @@ static int count_isoc_trbs_needed(struct xhci_hcd *xhci,
 		struct urb *urb, int i)
 {
 	int num_trbs = 0;
-	u64 addr, td_len, running_total;
+	u64 addr, td_len;
 
 	addr = (u64) (urb->transfer_dma + urb->iso_frame_desc[i].offset);
 	td_len = urb->iso_frame_desc[i].length;
 
-	running_total = TRB_MAX_BUFF_SIZE - (addr & (TRB_MAX_BUFF_SIZE - 1));
-	running_total &= TRB_MAX_BUFF_SIZE - 1;
-	if (running_total != 0)
-		num_trbs++;
-
-	while (running_total < td_len) {
+	num_trbs = DIV_ROUND_UP(td_len + (addr & (TRB_MAX_BUFF_SIZE - 1)),
+			TRB_MAX_BUFF_SIZE);
+	if (num_trbs == 0)
 		num_trbs++;
-		running_total += TRB_MAX_BUFF_SIZE;
-	}
 
 	return num_trbs;
 }
@@ -3226,6 +3237,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 	start_trb = &ep_ring->enqueue->generic;
 	start_cycle = ep_ring->cycle_state;
 
+	urb_priv = urb->hcpriv;
 	/* Queue the first TRB, even if it's zero-length */
 	for (i = 0; i < num_tds; i++) {
 		unsigned int total_packet_count;
@@ -3237,9 +3249,11 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 		addr = start_addr + urb->iso_frame_desc[i].offset;
 		td_len = urb->iso_frame_desc[i].length;
 		td_remain_len = td_len;
-		/* FIXME: Ignoring zero-length packets, can those happen? */
 		total_packet_count = roundup(td_len,
 				le16_to_cpu(urb->ep->desc.wMaxPacketSize));
+		/* A zero-length transfer still involves at least one packet. */
+		if (total_packet_count == 0)
+			total_packet_count++;
 		burst_count = xhci_get_burst_count(xhci, urb->dev, urb,
 				total_packet_count);
 		residue = xhci_get_last_burst_packet_count(xhci,
@@ -3249,12 +3263,13 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 
 		ret = prepare_transfer(xhci, xhci->devs[slot_id], ep_index,
 				urb->stream_id, trbs_per_td, urb, i, mem_flags);
-		if (ret < 0)
+		if (ret < 0) {
+			if (i == 0)
 				return ret;
+			goto cleanup;
+		}
 
-		urb_priv = urb->hcpriv;
 		td = urb_priv->td[i];
-
 		for (j = 0; j < trbs_per_td; j++) {
 			u32 remainder = 0;
 			field = TRB_TBC(burst_count) | TRB_TLBPC(residue);
@@ -3344,6 +3359,27 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 	giveback_first_trb(xhci, slot_id, ep_index, urb->stream_id,
 			start_cycle, start_trb);
 	return 0;
+cleanup:
+	/* Clean up a partially enqueued isoc transfer. */
+
+	for (i--; i >= 0; i--)
+		list_del_init(&urb_priv->td[i]->td_list);
+
+	/* Use the first TD as a temporary variable to turn the TDs we've queued
+	 * into No-ops with a software-owned cycle bit. That way the hardware
+	 * won't accidentally start executing bogus TDs when we partially
+	 * overwrite them.  td->first_trb and td->start_seg are already set.
+	 */
+	urb_priv->td[0]->last_trb = ep_ring->enqueue;
+	/* Every TRB except the first & last will have its cycle bit flipped. */
+	td_to_noop(xhci, ep_ring, urb_priv->td[0], true);
+
+	/* Reset the ring enqueue back to the first TRB and its cycle bit. */
+	ep_ring->enqueue = urb_priv->td[0]->first_trb;
+	ep_ring->enq_seg = urb_priv->td[0]->start_seg;
+	ep_ring->cycle_state = start_cycle;
+	usb_hcd_unlink_urb_from_ep(bus_to_hcd(urb->dev->bus), urb);
+	return ret;
 }
 
 /*

drivers/usb/host/xhci.c

@@ -1085,9 +1085,12 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
 		if (urb->dev->speed == USB_SPEED_FULL) {
 			ret = xhci_check_maxpacket(xhci, slot_id,
 					ep_index, urb);
-			if (ret < 0)
+			if (ret < 0) {
+				xhci_urb_free_priv(xhci, urb_priv);
+				urb->hcpriv = NULL;
 				return ret;
 			}
+		}
 
 		/* We have a spinlock and interrupts disabled, so we must pass
 		 * atomic context to this function, which may allocate memory.
@@ -1097,6 +1100,8 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
 			goto dying;
 		ret = xhci_queue_ctrl_tx(xhci, GFP_ATOMIC, urb,
 				slot_id, ep_index);
+		if (ret)
+			goto free_priv;
 		spin_unlock_irqrestore(&xhci->lock, flags);
 	} else if (usb_endpoint_xfer_bulk(&urb->ep->desc)) {
 		spin_lock_irqsave(&xhci->lock, flags);
@@ -1117,6 +1122,8 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
 			ret = xhci_queue_bulk_tx(xhci, GFP_ATOMIC, urb,
 					slot_id, ep_index);
 		}
+		if (ret)
+			goto free_priv;
 		spin_unlock_irqrestore(&xhci->lock, flags);
 	} else if (usb_endpoint_xfer_int(&urb->ep->desc)) {
 		spin_lock_irqsave(&xhci->lock, flags);
@@ -1124,6 +1131,8 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
 			goto dying;
 		ret = xhci_queue_intr_tx(xhci, GFP_ATOMIC, urb,
 				slot_id, ep_index);
+		if (ret)
+			goto free_priv;
 		spin_unlock_irqrestore(&xhci->lock, flags);
 	} else {
 		spin_lock_irqsave(&xhci->lock, flags);
@@ -1131,18 +1140,22 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
 			goto dying;
 		ret = xhci_queue_isoc_tx_prepare(xhci, GFP_ATOMIC, urb,
 				slot_id, ep_index);
+		if (ret)
+			goto free_priv;
 		spin_unlock_irqrestore(&xhci->lock, flags);
 	}
 exit:
 	return ret;
 dying:
-	xhci_urb_free_priv(xhci, urb_priv);
-	urb->hcpriv = NULL;
 	xhci_dbg(xhci, "Ep 0x%x: URB %p submitted for "
 			"non-responsive xHCI host.\n",
 			urb->ep->desc.bEndpointAddress, urb);
+	ret = -ESHUTDOWN;
+free_priv:
+	xhci_urb_free_priv(xhci, urb_priv);
+	urb->hcpriv = NULL;
 	spin_unlock_irqrestore(&xhci->lock, flags);
-	return -ESHUTDOWN;
+	return ret;
 }
 
 /* Get the right ring for the given URB.
@@ -1239,6 +1252,13 @@ int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
 	if (temp == 0xffffffff || (xhci->xhc_state & XHCI_STATE_HALTED)) {
 		xhci_dbg(xhci, "HW died, freeing TD.\n");
 		urb_priv = urb->hcpriv;
+		for (i = urb_priv->td_cnt; i < urb_priv->length; i++) {
+			td = urb_priv->td[i];
+			if (!list_empty(&td->td_list))
+				list_del_init(&td->td_list);
+			if (!list_empty(&td->cancelled_td_list))
+				list_del_init(&td->cancelled_td_list);
+		}
 
 		usb_hcd_unlink_urb_from_ep(hcd, urb);
 		spin_unlock_irqrestore(&xhci->lock, flags);

drivers/usb/musb/blackfin.c

@@ -17,6 +17,7 @@
 #include <linux/io.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/prefetch.h>
 
 #include <asm/cacheflush.h>
 

drivers/usb/musb/cppi_dma.c

@@ -226,8 +226,10 @@ static int cppi_controller_stop(struct dma_controller *c)
 	struct cppi		*controller;
 	void __iomem		*tibase;
 	int			i;
+	struct musb		*musb;
 
 	controller = container_of(c, struct cppi, controller);
+	musb = controller->musb;
 
 	tibase = controller->tibase;
 	/* DISABLE INDIVIDUAL CHANNEL Interrupts */
@@ -289,9 +291,11 @@ cppi_channel_allocate(struct dma_controller *c,
 	u8			index;
 	struct cppi_channel	*cppi_ch;
 	void __iomem		*tibase;
+	struct musb		*musb;
 
 	controller = container_of(c, struct cppi, controller);
 	tibase = controller->tibase;
+	musb = controller->musb;
 
 	/* ep0 doesn't use DMA; remember cppi indices are 0..N-1 */
 	index = ep->epnum - 1;
@@ -339,7 +343,8 @@ static void cppi_channel_release(struct dma_channel *channel)
 	c = container_of(channel, struct cppi_channel, channel);
 	tibase = c->controller->tibase;
 	if (!c->hw_ep)
-		dev_dbg(musb->controller, "releasing idle DMA channel %p\n", c);
+		dev_dbg(c->controller->musb->controller,
+			"releasing idle DMA channel %p\n", c);
 	else if (!c->transmit)
 		core_rxirq_enable(tibase, c->index + 1);
 
@@ -357,7 +362,8 @@ cppi_dump_rx(int level, struct cppi_channel *c, const char *tag)
 
 	musb_ep_select(base, c->index + 1);
 
-	DBG(level, "RX DMA%d%s: %d left, csr %04x, "
+	dev_dbg(c->controller->musb->controller,
+		"RX DMA%d%s: %d left, csr %04x, "
 		"%08x H%08x S%08x C%08x, "
 		"B%08x L%08x %08x .. %08x"
 		"\n",
@@ -387,7 +393,8 @@ cppi_dump_tx(int level, struct cppi_channel *c, const char *tag)
 
 	musb_ep_select(base, c->index + 1);
 
-	DBG(level, "TX DMA%d%s: csr %04x, "
+	dev_dbg(c->controller->musb->controller,
+		"TX DMA%d%s: csr %04x, "
 		"H%08x S%08x C%08x %08x, "
 		"F%08x L%08x .. %08x"
 		"\n",
@@ -1022,6 +1029,7 @@ static bool cppi_rx_scan(struct cppi *cppi, unsigned ch)
 	int				i;
 	dma_addr_t			safe2ack;
 	void __iomem			*regs = rx->hw_ep->regs;
+	struct musb			*musb = cppi->musb;
 
 	cppi_dump_rx(6, rx, "/K");
 

drivers/usb/musb/musb_core.h

@@ -172,7 +172,8 @@ enum musb_g_ep0_state {
 #endif
 
 /* TUSB mapping: "flat" plus ep0 special cases */
-#if	defined(CONFIG_USB_MUSB_TUSB6010)
+#if defined(CONFIG_USB_MUSB_TUSB6010) || \
+	defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
 #define musb_ep_select(_mbase, _epnum) \
 	musb_writeb((_mbase), MUSB_INDEX, (_epnum))
 #define	MUSB_EP_OFFSET			MUSB_TUSB_OFFSET
@@ -241,7 +242,8 @@ struct musb_hw_ep {
 	void __iomem		*fifo;
 	void __iomem		*regs;
 
-#ifdef CONFIG_USB_MUSB_TUSB6010
+#if defined(CONFIG_USB_MUSB_TUSB6010) || \
+	defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
 	void __iomem		*conf;
 #endif
 
@@ -258,7 +260,8 @@ struct musb_hw_ep {
 	struct dma_channel	*tx_channel;
 	struct dma_channel	*rx_channel;
 
-#ifdef CONFIG_USB_MUSB_TUSB6010
+#if defined(CONFIG_USB_MUSB_TUSB6010) || \
+	defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
 	/* TUSB has "asynchronous" and "synchronous" dma modes */
 	dma_addr_t		fifo_async;
 	dma_addr_t		fifo_sync;
@@ -356,7 +359,8 @@ struct musb {
 	void __iomem		*ctrl_base;
 	void __iomem		*mregs;
 
-#ifdef CONFIG_USB_MUSB_TUSB6010
+#if defined(CONFIG_USB_MUSB_TUSB6010) || \
+	defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
 	dma_addr_t		async;
 	dma_addr_t		sync;
 	void __iomem		*sync_va;

drivers/usb/musb/musb_gadget.c

@@ -1856,6 +1856,7 @@ int __init musb_gadget_setup(struct musb *musb)
 
 	return 0;
 err:
+	musb->g.dev.parent = NULL;
 	device_unregister(&musb->g.dev);
 	return status;
 }
@@ -1863,6 +1864,7 @@ int __init musb_gadget_setup(struct musb *musb)
 void musb_gadget_cleanup(struct musb *musb)
 {
 	usb_del_gadget_udc(&musb->g);
+	if (musb->g.dev.parent)
 		device_unregister(&musb->g.dev);
 }
 

drivers/usb/musb/musb_regs.h

@@ -234,7 +234,8 @@
 #define MUSB_TESTMODE		0x0F	/* 8 bit */
 
 /* Get offset for a given FIFO from musb->mregs */
-#ifdef	CONFIG_USB_MUSB_TUSB6010
+#if defined(CONFIG_USB_MUSB_TUSB6010) ||	\
+	defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
 #define MUSB_FIFO_OFFSET(epnum)	(0x200 + ((epnum) * 0x20))
 #else
 #define MUSB_FIFO_OFFSET(epnum)	(0x20 + ((epnum) * 4))
@@ -295,7 +296,8 @@
 #define MUSB_FLAT_OFFSET(_epnum, _offset)	\
 	(0x100 + (0x10*(_epnum)) + (_offset))
 
-#ifdef CONFIG_USB_MUSB_TUSB6010
+#if defined(CONFIG_USB_MUSB_TUSB6010) ||	\
+	defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
 /* TUSB6010 EP0 configuration register is special */
 #define MUSB_TUSB_OFFSET(_epnum, _offset)	\
 	(0x10 + _offset)

drivers/usb/musb/tusb6010.c

@@ -18,6 +18,7 @@
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/init.h>
+#include <linux/prefetch.h>
 #include <linux/usb.h>
 #include <linux/irq.h>
 #include <linux/platform_device.h>

drivers/usb/musb/tusb6010_omap.c

@@ -20,6 +20,7 @@
 #include <plat/mux.h>
 
 #include "musb_core.h"
+#include "tusb6010.h"
 
 #define to_chdat(c)		((struct tusb_omap_dma_ch *)(c)->private_data)
 

drivers/usb/musb/ux500_dma.c

@@ -65,7 +65,8 @@ static void ux500_tx_work(struct work_struct *data)
 	struct musb *musb = hw_ep->musb;
 	unsigned long flags;
 
-	DBG(4, "DMA tx transfer done on hw_ep=%d\n", hw_ep->epnum);
+	dev_dbg(musb->controller, "DMA tx transfer done on hw_ep=%d\n",
+		hw_ep->epnum);
 
 	spin_lock_irqsave(&musb->lock, flags);
 	ux500_channel->channel.actual_len = ux500_channel->cur_len;
@@ -84,7 +85,8 @@ static void ux500_rx_work(struct work_struct *data)
 	struct musb *musb = hw_ep->musb;
 	unsigned long flags;
 
-	DBG(4, "DMA rx transfer done on hw_ep=%d\n", hw_ep->epnum);
+	dev_dbg(musb->controller, "DMA rx transfer done on hw_ep=%d\n",
+		hw_ep->epnum);
 
 	spin_lock_irqsave(&musb->lock, flags);
 	ux500_channel->channel.actual_len = ux500_channel->cur_len;
@@ -116,8 +118,10 @@ static bool ux500_configure_channel(struct dma_channel *channel,
 	enum dma_slave_buswidth addr_width;
 	dma_addr_t usb_fifo_addr = (MUSB_FIFO_OFFSET(hw_ep->epnum) +
 					ux500_channel->controller->phy_base);
+	struct musb *musb = ux500_channel->controller->private_data;
 
-	DBG(4, "packet_sz=%d, mode=%d, dma_addr=0x%x, len=%d is_tx=%d\n",
+	dev_dbg(musb->controller,
+		"packet_sz=%d, mode=%d, dma_addr=0x%x, len=%d is_tx=%d\n",
 		packet_sz, mode, dma_addr, len, ux500_channel->is_tx);
 
 	ux500_channel->cur_len = len;
@@ -133,15 +137,13 @@ static bool ux500_configure_channel(struct dma_channel *channel,
 					DMA_SLAVE_BUSWIDTH_4_BYTES;
 
 	slave_conf.direction = direction;
-	if (direction == DMA_FROM_DEVICE) {
 	slave_conf.src_addr = usb_fifo_addr;
 	slave_conf.src_addr_width = addr_width;
 	slave_conf.src_maxburst = 16;
-	} else {
 	slave_conf.dst_addr = usb_fifo_addr;
 	slave_conf.dst_addr_width = addr_width;
 	slave_conf.dst_maxburst = 16;
-	}
+
 	dma_chan->device->device_control(dma_chan, DMA_SLAVE_CONFIG,
 					     (unsigned long) &slave_conf);
 
@@ -166,6 +168,7 @@ static struct dma_channel *ux500_dma_channel_allocate(struct dma_controller *c,
 	struct ux500_dma_controller *controller = container_of(c,
 			struct ux500_dma_controller, controller);
 	struct ux500_dma_channel *ux500_channel = NULL;
+	struct musb *musb = controller->private_data;
 	u8 ch_num = hw_ep->epnum - 1;
 	u32 max_ch;
 
@@ -192,7 +195,7 @@ static struct dma_channel *ux500_dma_channel_allocate(struct dma_controller *c,
 	ux500_channel->hw_ep = hw_ep;
 	ux500_channel->is_allocated = 1;
 
-	DBG(7, "hw_ep=%d, is_tx=0x%x, channel=%d\n",
+	dev_dbg(musb->controller, "hw_ep=%d, is_tx=0x%x, channel=%d\n",
 		hw_ep->epnum, is_tx, ch_num);
 
 	return &(ux500_channel->channel);
@@ -201,8 +204,9 @@ static struct dma_channel *ux500_dma_channel_allocate(struct dma_controller *c,
 static void ux500_dma_channel_release(struct dma_channel *channel)
 {
 	struct ux500_dma_channel *ux500_channel = channel->private_data;
+	struct musb *musb = ux500_channel->controller->private_data;
 
-	DBG(7, "channel=%d\n", ux500_channel->ch_num);
+	dev_dbg(musb->controller, "channel=%d\n", ux500_channel->ch_num);
 
 	if (ux500_channel->is_allocated) {
 		ux500_channel->is_allocated = 0;
@@ -252,8 +256,8 @@ static int ux500_dma_channel_abort(struct dma_channel *channel)
 	void __iomem *epio = musb->endpoints[ux500_channel->hw_ep->epnum].regs;
 	u16 csr;
 
-	DBG(4, "channel=%d, is_tx=%d\n", ux500_channel->ch_num,
-						ux500_channel->is_tx);
+	dev_dbg(musb->controller, "channel=%d, is_tx=%d\n",
+		ux500_channel->ch_num, ux500_channel->is_tx);
 
 	if (channel->status == MUSB_DMA_STATUS_BUSY) {
 		if (ux500_channel->is_tx) {

drivers/usb/serial/ftdi_sio.c

@@ -101,6 +101,7 @@ static int   ftdi_jtag_probe(struct usb_serial *serial);
 static int   ftdi_mtxorb_hack_setup(struct usb_serial *serial);
 static int   ftdi_NDI_device_setup(struct usb_serial *serial);
 static int   ftdi_stmclite_probe(struct usb_serial *serial);
+static int   ftdi_8u2232c_probe(struct usb_serial *serial);
 static void  ftdi_USB_UIRT_setup(struct ftdi_private *priv);
 static void  ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
 
@@ -128,6 +129,10 @@ static struct ftdi_sio_quirk ftdi_stmclite_quirk = {
 	.probe	= ftdi_stmclite_probe,
 };
 
+static struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
+	.probe	= ftdi_8u2232c_probe,
+};
+
 /*
  * The 8U232AM has the same API as the sio except for:
  * - it can support MUCH higher baudrates; up to:
@@ -178,7 +183,8 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
-	{ USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) ,
+		.driver_info = (kernel_ulong_t)&ftdi_8u2232c_quirk },
 	{ USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_232H_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
@@ -1737,6 +1743,18 @@ static int ftdi_jtag_probe(struct usb_serial *serial)
 	return 0;
 }
 
+static int ftdi_8u2232c_probe(struct usb_serial *serial)
+{
+	struct usb_device *udev = serial->dev;
+
+	dbg("%s", __func__);
+
+	if (strcmp(udev->manufacturer, "CALAO Systems") == 0)
+		return ftdi_jtag_probe(serial);
+
+	return 0;
+}
+
 /*
  * First and second port on STMCLiteadaptors is reserved for JTAG interface
  * and the forth port for pio

drivers/usb/serial/option.c

@@ -148,6 +148,8 @@ static void option_instat_callback(struct urb *urb);
 #define HUAWEI_PRODUCT_K4505			0x1464
 #define HUAWEI_PRODUCT_K3765			0x1465
 #define HUAWEI_PRODUCT_E14AC			0x14AC
+#define HUAWEI_PRODUCT_K3806			0x14AE
+#define HUAWEI_PRODUCT_K4605			0x14C6
 #define HUAWEI_PRODUCT_K3770			0x14C9
 #define HUAWEI_PRODUCT_K3771			0x14CA
 #define HUAWEI_PRODUCT_K4510			0x14CB
@@ -416,6 +418,56 @@ static void option_instat_callback(struct urb *urb);
 #define SAMSUNG_VENDOR_ID                       0x04e8
 #define SAMSUNG_PRODUCT_GT_B3730                0x6889
 
+/* YUGA products  www.yuga-info.com*/
+#define YUGA_VENDOR_ID				0x257A
+#define YUGA_PRODUCT_CEM600			0x1601
+#define YUGA_PRODUCT_CEM610			0x1602
+#define YUGA_PRODUCT_CEM500			0x1603
+#define YUGA_PRODUCT_CEM510			0x1604
+#define YUGA_PRODUCT_CEM800			0x1605
+#define YUGA_PRODUCT_CEM900			0x1606
+
+#define YUGA_PRODUCT_CEU818			0x1607
+#define YUGA_PRODUCT_CEU816			0x1608
+#define YUGA_PRODUCT_CEU828			0x1609
+#define YUGA_PRODUCT_CEU826			0x160A
+#define YUGA_PRODUCT_CEU518			0x160B
+#define YUGA_PRODUCT_CEU516			0x160C
+#define YUGA_PRODUCT_CEU528			0x160D
+#define YUGA_PRODUCT_CEU526			0x160F
+
+#define YUGA_PRODUCT_CWM600			0x2601
+#define YUGA_PRODUCT_CWM610			0x2602
+#define YUGA_PRODUCT_CWM500			0x2603
+#define YUGA_PRODUCT_CWM510			0x2604
+#define YUGA_PRODUCT_CWM800			0x2605
+#define YUGA_PRODUCT_CWM900			0x2606
+
+#define YUGA_PRODUCT_CWU718			0x2607
+#define YUGA_PRODUCT_CWU716			0x2608
+#define YUGA_PRODUCT_CWU728			0x2609
+#define YUGA_PRODUCT_CWU726			0x260A
+#define YUGA_PRODUCT_CWU518			0x260B
+#define YUGA_PRODUCT_CWU516			0x260C
+#define YUGA_PRODUCT_CWU528			0x260D
+#define YUGA_PRODUCT_CWU526			0x260F
+
+#define YUGA_PRODUCT_CLM600			0x2601
+#define YUGA_PRODUCT_CLM610			0x2602
+#define YUGA_PRODUCT_CLM500			0x2603
+#define YUGA_PRODUCT_CLM510			0x2604
+#define YUGA_PRODUCT_CLM800			0x2605
+#define YUGA_PRODUCT_CLM900			0x2606
+
+#define YUGA_PRODUCT_CLU718			0x2607
+#define YUGA_PRODUCT_CLU716			0x2608
+#define YUGA_PRODUCT_CLU728			0x2609
+#define YUGA_PRODUCT_CLU726			0x260A
+#define YUGA_PRODUCT_CLU518			0x260B
+#define YUGA_PRODUCT_CLU516			0x260C
+#define YUGA_PRODUCT_CLU528			0x260D
+#define YUGA_PRODUCT_CLU526			0x260F
+
 /* some devices interfaces need special handling due to a number of reasons */
 enum option_blacklist_reason {
 		OPTION_BLACKLIST_NONE = 0,
@@ -551,6 +603,8 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_ETS1220, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E14AC, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3806, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4605, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3770, 0xff, 0x02, 0x31) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3770, 0xff, 0x02, 0x32) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3771, 0xff, 0x02, 0x31) },
@@ -1005,6 +1059,48 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */
 	{ USB_DEVICE(ONDA_VENDOR_ID, ONDA_MT825UP) }, /* ONDA MT825UP modem */
 	{ USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM600) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM610) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM500) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM510) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM800) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM900) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU818) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU816) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU828) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU826) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU518) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU516) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU528) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEU526) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWM600) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWM610) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWM500) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWM510) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWM800) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWM900) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU718) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU716) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU728) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU726) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU518) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU516) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU528) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CWU526) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLM600) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLM610) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLM500) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLM510) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLM800) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLM900) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU718) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU716) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU728) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU726) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU518) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU516) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU528) },
+	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU526) },
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
@@ -1134,11 +1230,13 @@ static int option_probe(struct usb_serial *serial,
 		serial->interface->cur_altsetting->desc.bInterfaceClass != 0xff)
 		return -ENODEV;
 
-	/* Don't bind network interfaces on Huawei K3765 & K4505 */
+	/* Don't bind network interfaces on Huawei K3765, K4505 & K4605 */
 	if (serial->dev->descriptor.idVendor == HUAWEI_VENDOR_ID &&
 		(serial->dev->descriptor.idProduct == HUAWEI_PRODUCT_K3765 ||
-			serial->dev->descriptor.idProduct == HUAWEI_PRODUCT_K4505) &&
-		serial->interface->cur_altsetting->desc.bInterfaceNumber == 1)
+			serial->dev->descriptor.idProduct == HUAWEI_PRODUCT_K4505 ||
+			serial->dev->descriptor.idProduct == HUAWEI_PRODUCT_K4605) &&
+		(serial->interface->cur_altsetting->desc.bInterfaceNumber == 1 ||
+			serial->interface->cur_altsetting->desc.bInterfaceNumber == 2))
 		return -ENODEV;
 
 	/* Don't bind network interface on Samsung GT-B3730, it is handled by a separate module */