diff mbox series

[1/2] usb: dwc3: gadget: Clear started flag for non-IOC

Message ID a0f9399b9959d8e5ad9ae9be8572a03dd2314589.1574888929.git.thinhn@synopsys.com (mailing list archive)
State Mainlined
Commit d3abda5a98a18e524e17fd4085c9f4bd53e9ef53
Headers show
Series usb: dwc3: gadget: Fix END_TRANSFER handling | expand

Commit Message

Thinh Nguyen Nov. 27, 2019, 9:10 p.m. UTC 
Normally the END_TRANSFER command completion handler will clear the
DWC3_EP_TRANSFER_STARTED flag. However, if the command was sent without
interrupt on completion, then the flag will not be cleared. Make sure to
clear the flag in this case.

Cc: stable@vger.kernel.org
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
---
 drivers/usb/dwc3/gadget.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 7f97856e6b20..95a0b2e7ecea 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2716,6 +2716,9 @@  static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
 	WARN_ON_ONCE(ret);
 	dep->resource_index = 0;
 
+	if (!interrupt)
+		dep->flags &= ~DWC3_EP_TRANSFER_STARTED;
+
 	if (dwc3_is_usb31(dwc) || dwc->revision < DWC3_REVISION_310A)
 		udelay(100);
 }