Merge tag 'usb-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are some small USB fixes for 5.8-rc3 to resolve some reported
  issues.

  Nothing major here:

   - gadget driver fixes

   - cdns3 driver fixes

   - xhci fixes

   - renesas_usbhs driver fixes

   - some new device support with ids

   - documentation update

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

* tag 'usb-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (27 commits)
  usb: renesas_usbhs: getting residue from callback_result
  Revert "usb: dwc3: exynos: Add support for Exynos5422 suspend clk"
  xhci: Poll for U0 after disabling USB2 LPM
  xhci: Return if xHCI doesn't support LPM
  usb: host: xhci-mtk: avoid runtime suspend when removing hcd
  xhci: Fix enumeration issue when setting max packet size for FS devices.
  xhci: Fix incorrect EP_STATE_MASK
  usb: cdns3: ep0: add spinlock for cdns3_check_new_setup
  usb: cdns3: trace: using correct dir value
  usb: cdns3: ep0: fix the test mode set incorrectly
  Revert "usb: dwc3: exynos: Add support for Exynos5422 suspend clk"
  usb: gadget: udc: Potential Oops in error handling code
  usb: phy: tegra: Fix unnecessary check in tegra_usb_phy_probe()
  usb: dwc3: pci: Fix reference count leak in dwc3_pci_resume_work
  usb: cdns3: ep0: add spinlock for cdns3_check_new_setup
  usb: cdns3: trace: using correct dir value
  usb: cdns3: ep0: fix the test mode set incorrectly
  usb: typec: tcpci_rt1711h: avoid screaming irq causing boot hangs
  USB: ohci-sm501: Add missed iounmap() in remove
  cdc-acm: Add DISABLE_ECHO quirk for Microchip/SMSC chip
  ...

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/usb/cdns3/ep0.c b/drivers/usb/cdns3/ep0.c
index 82645a2a0f529..61ec5bb2b0ca3 100644
--- a/drivers/usb/cdns3/ep0.c
+++ b/drivers/usb/cdns3/ep0.c
@@ -327,7 +327,8 @@ static int cdns3_ep0_feature_handle_device(struct cdns3_device *priv_dev,
 		if (!set || (tmode & 0xff) != 0)
 			return -EINVAL;
 
-		switch (tmode >> 8) {
+		tmode >>= 8;
+		switch (tmode) {
 		case TEST_J:
 		case TEST_K:
 		case TEST_SE0_NAK:
@@ -704,15 +705,17 @@ static int cdns3_gadget_ep0_queue(struct usb_ep *ep,
 	int ret = 0;
 	u8 zlp = 0;
 
+	spin_lock_irqsave(&priv_dev->lock, flags);
 	trace_cdns3_ep0_queue(priv_dev, request);
 
 	/* cancel the request if controller receive new SETUP packet. */
-	if (cdns3_check_new_setup(priv_dev))
+	if (cdns3_check_new_setup(priv_dev)) {
+		spin_unlock_irqrestore(&priv_dev->lock, flags);
 		return -ECONNRESET;
+	}
 
 	/* send STATUS stage. Should be called only for SET_CONFIGURATION */
 	if (priv_dev->ep0_stage == CDNS3_STATUS_STAGE) {
-		spin_lock_irqsave(&priv_dev->lock, flags);
 		cdns3_select_ep(priv_dev, 0x00);
 
 		erdy_sent = !priv_dev->hw_configured_flag;
@@ -737,7 +740,6 @@ static int cdns3_gadget_ep0_queue(struct usb_ep *ep,
 		return 0;
 	}
 
-	spin_lock_irqsave(&priv_dev->lock, flags);
 	if (!list_empty(&priv_ep->pending_req_list)) {
 		dev_err(priv_dev->dev,
 			"can't handle multiple requests for ep0\n");