Commit db376566 authored May 05, 2020 by Thinh Nguyen Committed by Mayank Rana Jun 15, 2020

usb: dwc3: gadget: Check for in-progress END_TRANSFER



While handling TRBs completion, if a END_TRANSFER command isn't
completed, don't kick new transfer or issue END_TRANSFER command.

Change-Id: Ic1d6b942c6c7993165d574dcc70078fb269365dd
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Git-commit: b6842d4938c3101cb54dc262a6a89a5445f8fba8
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Signed-off-by: Mayank Rana <mrana@codeaurora.org>

parent 19a5a7fa

drivers/usb/dwc3/gadget.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -2932,9 +2932,13 @@ static void dwc3_gadget_endpoint_transfer_in_progress(struct dwc3_ep *dep,

		dwc3_gadget_ep_cleanup_completed_requests(dep, event, status);

		if (dep->flags & DWC3_EP_END_TRANSFER_PENDING)
		goto out;

		if (stop)
		dwc3_stop_active_transfer(dep, true, true);

		out:
		/*
		* WORKAROUND: This is the 2nd half of U1/U2 -> U0 workaround.
		* See dwc3_gadget_linksts_change_interrupt() for 1st half.