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

…/git/gregkh/usb

* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (21 commits)
  usb: ftdi_sio: add PID for Propox ISPcable III
  Revert "xHCI: reset-on-resume quirk for NEC uPD720200"
  xHCI: fix bug in xhci_clear_command_ring()
  usb: gadget: fsl_udc: fix dequeuing a request in progress
  usb: fsl_mxc_udc.c: Remove compile-time dependency of MX35 SoC type
  usb: fsl_mxc_udc.c: Fix build issue by including missing header file
  USB: fsl_udc_core: use usb_endpoint_xfer_isoc to judge ISO XFER
  usb: udc: Fix gadget driver's speed check in various UDC drivers
  usb: gadget: fix g_serial regression
  usb: renesas_usbhs: fixup driver speed
  usb: renesas_usbhs: fixup gadget.dev.driver when udc_stop.
  usb: renesas_usbhs: fixup signal the driver that cable was disconnected
  usb: renesas_usbhs: fixup device_register timing
  usb: musb: PM: fix context save/restore in suspend/resume path
  USB: linux-cdc-acm.inf: add support for the acm_ms gadget
  EHCI : Fix a regression in the ISO scheduler
  xHCI: reset-on-resume quirk for NEC uPD720200
  USB: whci-hcd: fix endian conversion in qset_clear()
  USB: usb-storage: unusual_devs entry for Kingston DT 101 G2
  usb: option: add SIMCom SIM5218
  ...

Documentation/usb/linux-cdc-acm.inf

@@ -90,10 +90,10 @@ ServiceBinary=%12%\USBSER.sys
 [SourceDisksFiles]
 [SourceDisksNames]
 [DeviceList]
-%DESCRIPTION%=DriverInstall, USB\VID_0525&PID_A4A7, USB\VID_1D6B&PID_0104&MI_02
+%DESCRIPTION%=DriverInstall, USB\VID_0525&PID_A4A7, USB\VID_1D6B&PID_0104&MI_02, USB\VID_1D6B&PID_0106&MI_00
 
 [DeviceList.NTamd64]
-%DESCRIPTION%=DriverInstall, USB\VID_0525&PID_A4A7, USB\VID_1D6B&PID_0104&MI_02
+%DESCRIPTION%=DriverInstall, USB\VID_0525&PID_A4A7, USB\VID_1D6B&PID_0104&MI_02, USB\VID_1D6B&PID_0106&MI_00
 
 
 ;------------------------------------------------------------------------------

drivers/usb/gadget/amd5536udc.c

@@ -1959,7 +1959,7 @@ static int amd5536_start(struct usb_gadget_driver *driver,
 	u32 tmp;
 
 	if (!driver || !bind || !driver->setup
-			|| driver->speed != USB_SPEED_HIGH)
+			|| driver->speed < USB_SPEED_HIGH)
 		return -EINVAL;
 	if (!dev)
 		return -ENODEV;

drivers/usb/gadget/f_serial.c

@@ -131,8 +131,8 @@ static int gser_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
 	}
 	if (!gser->port.in->desc || !gser->port.out->desc) {
 		DBG(cdev, "activate generic ttyGS%d\n", gser->port_num);
-		if (!config_ep_by_speed(cdev->gadget, f, gser->port.in) ||
-		    !config_ep_by_speed(cdev->gadget, f, gser->port.out)) {
+		if (config_ep_by_speed(cdev->gadget, f, gser->port.in) ||
+		    config_ep_by_speed(cdev->gadget, f, gser->port.out)) {
 			gser->port.in->desc = NULL;
 			gser->port.out->desc = NULL;
 			return -EINVAL;

drivers/usb/gadget/fsl_mxc_udc.c

@@ -16,6 +16,7 @@
 #include <linux/err.h>
 #include <linux/fsl_devices.h>
 #include <linux/platform_device.h>
+#include <linux/io.h>
 
 #include <mach/hardware.h>
 
@@ -88,7 +89,6 @@ int fsl_udc_clk_init(struct platform_device *pdev)
 void fsl_udc_clk_finalize(struct platform_device *pdev)
 {
 	struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data;
-#if defined(CONFIG_SOC_IMX35)
 	if (cpu_is_mx35()) {
 		unsigned int v;
 
@@ -101,7 +101,6 @@ void fsl_udc_clk_finalize(struct platform_device *pdev)
 					USBPHYCTRL_OTGBASE_OFFSET));
 		}
 	}
-#endif
 
 	/* ULPI transceivers don't need usbpll */
 	if (pdata->phy_mode == FSL_USB2_PHY_ULPI) {

drivers/usb/gadget/fsl_qe_udc.c

@@ -2336,8 +2336,7 @@ static int fsl_qe_start(struct usb_gadget_driver *driver,
 	if (!udc_controller)
 		return -ENODEV;
 
-	if (!driver || (driver->speed != USB_SPEED_FULL
-			&& driver->speed != USB_SPEED_HIGH)
+	if (!driver || driver->speed < USB_SPEED_FULL
 			|| !bind || !driver->disconnect || !driver->setup)
 		return -EINVAL;
 

drivers/usb/gadget/fsl_udc_core.c

@@ -696,12 +696,31 @@ static void fsl_free_request(struct usb_ep *_ep, struct usb_request *_req)
 		kfree(req);
 }
 
-/*-------------------------------------------------------------------------*/
+/* Actually add a dTD chain to an empty dQH and let go */
+static void fsl_prime_ep(struct fsl_ep *ep, struct ep_td_struct *td)
+{
+	struct ep_queue_head *qh = get_qh_by_ep(ep);
+
+	/* Write dQH next pointer and terminate bit to 0 */
+	qh->next_dtd_ptr = cpu_to_hc32(td->td_dma
+			& EP_QUEUE_HEAD_NEXT_POINTER_MASK);
+
+	/* Clear active and halt bit */
+	qh->size_ioc_int_sts &= cpu_to_hc32(~(EP_QUEUE_HEAD_STATUS_ACTIVE
+					| EP_QUEUE_HEAD_STATUS_HALT));
+
+	/* Ensure that updates to the QH will occur before priming. */
+	wmb();
+
+	/* Prime endpoint by writing correct bit to ENDPTPRIME */
+	fsl_writel(ep_is_in(ep) ? (1 << (ep_index(ep) + 16))
+			: (1 << (ep_index(ep))), &dr_regs->endpointprime);
+}
+
+/* Add dTD chain to the dQH of an EP */
 static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
 {
-	int i = ep_index(ep) * 2 + ep_is_in(ep);
 	u32 temp, bitmask, tmp_stat;
-	struct ep_queue_head *dQH = &ep->udc->ep_qh[i];
 
 	/* VDBG("QH addr Register 0x%8x", dr_regs->endpointlistaddr);
 	VDBG("ep_qh[%d] addr is 0x%8x", i, (u32)&(ep->udc->ep_qh[i])); */
@@ -719,7 +738,7 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
 			cpu_to_hc32(req->head->td_dma & DTD_ADDR_MASK);
 		/* Read prime bit, if 1 goto done */
 		if (fsl_readl(&dr_regs->endpointprime) & bitmask)
-			goto out;
+			return;
 
 		do {
 			/* Set ATDTW bit in USBCMD */
@@ -736,28 +755,10 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
 		fsl_writel(temp & ~USB_CMD_ATDTW, &dr_regs->usbcmd);
 
 		if (tmp_stat)
-			goto out;
+			return;
 	}
 
-	/* Write dQH next pointer and terminate bit to 0 */
-	temp = req->head->td_dma & EP_QUEUE_HEAD_NEXT_POINTER_MASK;
-	dQH->next_dtd_ptr = cpu_to_hc32(temp);
-
-	/* Clear active and halt bit */
-	temp = cpu_to_hc32(~(EP_QUEUE_HEAD_STATUS_ACTIVE
-			| EP_QUEUE_HEAD_STATUS_HALT));
-	dQH->size_ioc_int_sts &= temp;
-
-	/* Ensure that updates to the QH will occur before priming. */
-	wmb();
-
-	/* Prime endpoint by writing 1 to ENDPTPRIME */
-	temp = ep_is_in(ep)
-		? (1 << (ep_index(ep) + 16))
-		: (1 << (ep_index(ep)));
-	fsl_writel(temp, &dr_regs->endpointprime);
-out:
-	return;
+	fsl_prime_ep(ep, req->head);
 }
 
 /* Fill in the dTD structure
@@ -877,7 +878,7 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
 		VDBG("%s, bad ep", __func__);
 		return -EINVAL;
 	}
-	if (ep->desc->bmAttributes == USB_ENDPOINT_XFER_ISOC) {
+	if (usb_endpoint_xfer_isoc(ep->desc)) {
 		if (req->req.length > ep->ep.maxpacket)
 			return -EMSGSIZE;
 	}
@@ -973,25 +974,20 @@ static int fsl_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
 
 		/* The request isn't the last request in this ep queue */
 		if (req->queue.next != &ep->queue) {
-			struct ep_queue_head *qh;
 			struct fsl_req *next_req;
 
-			qh = ep->qh;
 			next_req = list_entry(req->queue.next, struct fsl_req,
 					queue);
 
-			/* Point the QH to the first TD of next request */
-			fsl_writel((u32) next_req->head, &qh->curr_dtd_ptr);
+			/* prime with dTD of next request */
+			fsl_prime_ep(ep, next_req->head);
 		}
-
-		/* The request hasn't been processed, patch up the TD chain */
+	/* The request hasn't been processed, patch up the TD chain */
 	} else {
 		struct fsl_req *prev_req;
 
 		prev_req = list_entry(req->queue.prev, struct fsl_req, queue);
-		fsl_writel(fsl_readl(&req->tail->next_td_ptr),
-				&prev_req->tail->next_td_ptr);
-
+		prev_req->tail->next_td_ptr = req->tail->next_td_ptr;
 	}
 
 	done(ep, req, -ECONNRESET);
@@ -1032,7 +1028,7 @@ static int fsl_ep_set_halt(struct usb_ep *_ep, int value)
 		goto out;
 	}
 
-	if (ep->desc->bmAttributes == USB_ENDPOINT_XFER_ISOC) {
+	if (usb_endpoint_xfer_isoc(ep->desc)) {
 		status = -EOPNOTSUPP;
 		goto out;
 	}
@@ -1068,7 +1064,7 @@ static int fsl_ep_fifo_status(struct usb_ep *_ep)
 	struct fsl_udc *udc;
 	int size = 0;
 	u32 bitmask;
-	struct ep_queue_head *d_qh;
+	struct ep_queue_head *qh;
 
 	ep = container_of(_ep, struct fsl_ep, ep);
 	if (!_ep || (!ep->desc && ep_index(ep) != 0))
@@ -1079,13 +1075,13 @@ static int fsl_ep_fifo_status(struct usb_ep *_ep)
 	if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN)
 		return -ESHUTDOWN;
 
-	d_qh = &ep->udc->ep_qh[ep_index(ep) * 2 + ep_is_in(ep)];
+	qh = get_qh_by_ep(ep);
 
 	bitmask = (ep_is_in(ep)) ? (1 << (ep_index(ep) + 16)) :
 	    (1 << (ep_index(ep)));
 
 	if (fsl_readl(&dr_regs->endptstatus) & bitmask)
-		size = (d_qh->size_ioc_int_sts & DTD_PACKET_SIZE)
+		size = (qh->size_ioc_int_sts & DTD_PACKET_SIZE)
 		    >> DTD_LENGTH_BIT_POS;
 
 	pr_debug("%s %u\n", __func__, size);
@@ -1938,8 +1934,7 @@ static int fsl_start(struct usb_gadget_driver *driver,
 	if (!udc_controller)
 		return -ENODEV;
 
-	if (!driver || (driver->speed != USB_SPEED_FULL
-				&& driver->speed != USB_SPEED_HIGH)
+	if (!driver || driver->speed < USB_SPEED_FULL
 			|| !bind || !driver->disconnect || !driver->setup)
 		return -EINVAL;
 

drivers/usb/gadget/fsl_usb2_udc.h

@@ -569,6 +569,16 @@ static void dump_msg(const char *label, const u8 * buf, unsigned int length)
 					* 2 + ((windex & USB_DIR_IN) ? 1 : 0))
 #define get_pipe_by_ep(EP)	(ep_index(EP) * 2 + ep_is_in(EP))
 
+static inline struct ep_queue_head *get_qh_by_ep(struct fsl_ep *ep)
+{
+	/* we only have one ep0 structure but two queue heads */
+	if (ep_index(ep) != 0)
+		return ep->qh;
+	else
+		return &ep->udc->ep_qh[(ep->udc->ep0_dir ==
+				USB_DIR_IN) ? 1 : 0];
+}
+
 struct platform_device;
 #ifdef CONFIG_ARCH_MXC
 int fsl_udc_clk_init(struct platform_device *pdev);

drivers/usb/gadget/m66592-udc.c

@@ -1472,7 +1472,7 @@ static int m66592_start(struct usb_gadget_driver *driver,
 	int retval;
 
 	if (!driver
-			|| driver->speed != USB_SPEED_HIGH
+			|| driver->speed < USB_SPEED_HIGH
 			|| !bind
 			|| !driver->setup)
 		return -EINVAL;

drivers/usb/gadget/net2280.c

@@ -1881,7 +1881,7 @@ static int net2280_start(struct usb_gadget *_gadget,
 	 * (dev->usb->xcvrdiag & FORCE_FULL_SPEED_MODE)
 	 * "must not be used in normal operation"
 	 */
-	if (!driver || driver->speed != USB_SPEED_HIGH
+	if (!driver || driver->speed < USB_SPEED_HIGH
 			|| !driver->setup)
 		return -EINVAL;
 

drivers/usb/gadget/r8a66597-udc.c

@@ -1746,7 +1746,7 @@ static int r8a66597_start(struct usb_gadget *gadget,
 	struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget);
 
 	if (!driver
-			|| driver->speed != USB_SPEED_HIGH
+			|| driver->speed < USB_SPEED_HIGH
 			|| !driver->setup)
 		return -EINVAL;
 	if (!r8a66597)

drivers/usb/gadget/s3c-hsotg.c

@@ -2586,10 +2586,8 @@ static int s3c_hsotg_start(struct usb_gadget_driver *driver,
 		return -EINVAL;
 	}
 
-	if (driver->speed != USB_SPEED_HIGH &&
-	    driver->speed != USB_SPEED_FULL) {
+	if (driver->speed < USB_SPEED_FULL)
 		dev_err(hsotg->dev, "%s: bad speed\n", __func__);
-	}
 
 	if (!bind || !driver->setup) {
 		dev_err(hsotg->dev, "%s: missing entry points\n", __func__);

drivers/usb/gadget/s3c-hsudc.c

@@ -1142,8 +1142,7 @@ static int s3c_hsudc_start(struct usb_gadget_driver *driver,
 	int ret;
 
 	if (!driver
-		|| (driver->speed != USB_SPEED_FULL &&
-			driver->speed != USB_SPEED_HIGH)
+		|| driver->speed < USB_SPEED_FULL
 		|| !bind
 		|| !driver->unbind || !driver->disconnect || !driver->setup)
 		return -EINVAL;

drivers/usb/host/ehci-sched.c

@@ -1475,6 +1475,7 @@ iso_stream_schedule (
 	 * jump until after the queue is primed.
 	 */
 	else {
+		int done = 0;
 		start = SCHEDULE_SLOP + (now & ~0x07);
 
 		/* NOTE:  assumes URB_ISO_ASAP, to limit complexity/bugs */
@@ -1492,18 +1493,18 @@ iso_stream_schedule (
 			if (stream->highspeed) {
 				if (itd_slot_ok(ehci, mod, start,
 						stream->usecs, period))
-					break;
+					done = 1;
 			} else {
 				if ((start % 8) >= 6)
 					continue;
 				if (sitd_slot_ok(ehci, mod, stream,
 						start, sched, period))
-					break;
+					done = 1;
 			}
-		} while (start > next);
+		} while (start > next && !done);
 
 		/* no room in the schedule */
-		if (start == next) {
+		if (!done) {
 			ehci_dbg(ehci, "iso resched full %p (now %d max %d)\n",
 				urb, now, now + mod);
 			status = -ENOSPC;

drivers/usb/host/whci/qset.c

@@ -124,7 +124,7 @@ void qset_clear(struct whc *whc, struct whc_qset *qset)
 {
 	qset->td_start = qset->td_end = qset->ntds = 0;
 
-	qset->qh.link = cpu_to_le32(QH_LINK_NTDS(8) | QH_LINK_T);
+	qset->qh.link = cpu_to_le64(QH_LINK_NTDS(8) | QH_LINK_T);
 	qset->qh.status = qset->qh.status & QH_STATUS_SEQ_MASK;
 	qset->qh.err_count = 0;
 	qset->qh.scratch[0] = 0;

drivers/usb/host/xhci.c

@@ -711,7 +711,10 @@ static void xhci_clear_command_ring(struct xhci_hcd *xhci)
 	ring = xhci->cmd_ring;
 	seg = ring->deq_seg;
 	do {
-		memset(seg->trbs, 0, SEGMENT_SIZE);
+		memset(seg->trbs, 0,
+			sizeof(union xhci_trb) * (TRBS_PER_SEGMENT - 1));
+		seg->trbs[TRBS_PER_SEGMENT - 1].link.control &=
+			cpu_to_le32(~TRB_CYCLE);
 		seg = seg->next;
 	} while (seg != ring->deq_seg);
 

drivers/usb/musb/musb_core.c

@@ -2301,18 +2301,12 @@ static int musb_suspend(struct device *dev)
 		 */
 	}
 
-	musb_save_context(musb);
-
 	spin_unlock_irqrestore(&musb->lock, flags);
 	return 0;
 }
 
 static int musb_resume_noirq(struct device *dev)
 {
-	struct musb	*musb = dev_to_musb(dev);
-
-	musb_restore_context(musb);
-
 	/* for static cmos like DaVinci, register values were preserved
 	 * unless for some reason the whole soc powered down or the USB
 	 * module got reset through the PSC (vs just being disabled).

drivers/usb/musb/musb_gadget.c

@@ -1903,7 +1903,7 @@ static int musb_gadget_start(struct usb_gadget *g,
 	unsigned long		flags;
 	int			retval = -EINVAL;
 
-	if (driver->speed != USB_SPEED_HIGH)
+	if (driver->speed < USB_SPEED_HIGH)
 		goto err0;
 
 	pm_runtime_get_sync(musb->controller);