Commit 974a1368 authored Jan 21, 2019 by Felipe Balbi

usb: dwc3: gadget: don't use resource_index as a flag



We have a proper flag for testing that we have a valid transfer in
flight, let's use that instead.

This patch is in preparation to fix a rare race condition that happens
upon Disconnect Interrupt.

Tested-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

parent acbfa6c2

drivers/usb/dwc3/gadget.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -2626,8 +2626,8 @@ static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force)
		u32 cmd;
		int ret;

		if ((dep->flags & DWC3_EP_END_TRANSFER_PENDING) \|\|
		!dep->resource_index)
		if ((dep->flags & DWC3_EP_END_TRANSFER_PENDING)
		\|\| !(dep->flags & DWC3_EP_TRANSFER_STARTED))
		return;

		/*

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