Merge tag 'usb-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB updates from Greg KH:
 "Here's the big pull request for USB and PHY drivers for 4.7-rc1

  Full details in the shortlog, but it's the normal major gadget driver
  updates, phy updates, new usbip code, as well as a bit of lots of
  other stuff.

  All have been in linux-next with no reported issues"

* tag 'usb-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (164 commits)
  USB: serial: ti_usb_3410_5052: add MOXA UPORT 11x0 support
  USB: serial: fix minor-number allocation
  USB: serial: quatech2: fix use-after-free in probe error path
  USB: serial: mxuport: fix use-after-free in probe error path
  USB: serial: keyspan: fix debug and error messages
  USB: serial: keyspan: fix URB unlink
  USB: serial: keyspan: fix use-after-free in probe error path
  USB: serial: io_edgeport: fix memory leaks in probe error path
  USB: serial: io_edgeport: fix memory leaks in attach error path
  usb: Remove unnecessary space before operator ','.
  usb: Remove unnecessary space before open square bracket.
  USB: FHCI: avoid redundant condition
  usb: host: xhci-rcar: Avoid long wait in xhci_reset()
  usb/host/fotg210: remove dead code in create_sysfs_files
  usb: wusbcore: Do not initialise statics to 0.
  usb: wusbcore: Remove space before ',' and '(' .
  USB: serial: cp210x: clean up CRTSCTS flag code
  USB: serial: cp210x: get rid of magic numbers in CRTSCTS flag code
  USB: serial: cp210x: fix hardware flow-control disable
  USB: serial: option: add even more ZTE device ids
  ...

1 files changed, 22 insertions, 21 deletions

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index eca2e6d8e041..51b52a79dfec 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -70,10 +70,10 @@ static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma,
 		return 0;
 	}
 
-	trb = &dwc->ep0_trb[dep->free_slot];
+	trb = &dwc->ep0_trb[dep->trb_enqueue];
 
 	if (chain)
-		dep->free_slot++;
+		dep->trb_enqueue++;
 
 	trb->bpl = lower_32_bits(buf_dma);
 	trb->bph = upper_32_bits(buf_dma);
@@ -124,7 +124,7 @@ static int __dwc3_gadget_ep0_queue(struct dwc3_ep *dep,
 	req->request.status	= -EINPROGRESS;
 	req->epnum		= dep->number;
 
-	list_add_tail(&req->list, &dep->request_list);
+	list_add_tail(&req->list, &dep->pending_list);
 
 	/*
 	 * Gadget driver might not be quick enough to queue a request
@@ -240,7 +240,7 @@ int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request,
 	}
 
 	/* we share one TRB for ep0/1 */
-	if (!list_empty(&dep->request_list)) {
+	if (!list_empty(&dep->pending_list)) {
 		ret = -EBUSY;
 		goto out;
 	}
@@ -272,10 +272,10 @@ static void dwc3_ep0_stall_and_restart(struct dwc3 *dwc)
 	dep->flags = DWC3_EP_ENABLED;
 	dwc->delayed_status = false;
 
-	if (!list_empty(&dep->request_list)) {
+	if (!list_empty(&dep->pending_list)) {
 		struct dwc3_request	*req;
 
-		req = next_request(&dep->request_list);
+		req = next_request(&dep->pending_list);
 		dwc3_gadget_giveback(dep, req, -ECONNRESET);
 	}
 
@@ -463,8 +463,18 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc,
 			if (!set)
 				return -EINVAL;
 
-			dwc->test_mode_nr = wIndex >> 8;
-			dwc->test_mode = true;
+			switch (wIndex >> 8) {
+			case TEST_J:
+			case TEST_K:
+			case TEST_SE0_NAK:
+			case TEST_PACKET:
+			case TEST_FORCE_EN:
+				dwc->test_mode_nr = wIndex >> 8;
+				dwc->test_mode = true;
+				break;
+			default:
+				return -EINVAL;
+			}
 			break;
 		default:
 			return -EINVAL;
@@ -586,9 +596,6 @@ static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)
 			reg = dwc3_readl(dwc->regs, DWC3_DCTL);
 			reg |= (DWC3_DCTL_ACCEPTU1ENA | DWC3_DCTL_ACCEPTU2ENA);
 			dwc3_writel(dwc->regs, DWC3_DCTL, reg);
-
-			dwc->resize_fifos = true;
-			dwc3_trace(trace_dwc3_ep0, "resize FIFOs flag SET");
 		}
 		break;
 
@@ -809,7 +816,7 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc,
 
 	trace_dwc3_complete_trb(ep0, trb);
 
-	r = next_request(&ep0->request_list);
+	r = next_request(&ep0->pending_list);
 	if (!r)
 		return;
 
@@ -848,7 +855,7 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc,
 			trb++;
 			length = trb->size & DWC3_TRB_SIZE_MASK;
 
-			ep0->free_slot = 0;
+			ep0->trb_enqueue = 0;
 		}
 
 		transfer_size = roundup((ur->length - transfer_size),
@@ -897,8 +904,8 @@ static void dwc3_ep0_complete_status(struct dwc3 *dwc,
 
 	trace_dwc3_complete_trb(dep, trb);
 
-	if (!list_empty(&dep->request_list)) {
-		r = next_request(&dep->request_list);
+	if (!list_empty(&dep->pending_list)) {
+		r = next_request(&dep->pending_list);
 
 		dwc3_gadget_giveback(dep, r, 0);
 	}
@@ -1027,12 +1034,6 @@ static int dwc3_ep0_start_control_status(struct dwc3_ep *dep)
 
 static void __dwc3_ep0_do_control_status(struct dwc3 *dwc, struct dwc3_ep *dep)
 {
-	if (dwc->resize_fifos) {
-		dwc3_trace(trace_dwc3_ep0, "Resizing FIFOs");
-		dwc3_gadget_resize_tx_fifos(dwc);
-		dwc->resize_fifos = 0;
-	}
-
 	WARN_ON(dwc3_ep0_start_control_status(dep));
 }