From: Felipe Balbi <balbi@ti.com>
Date: Tue, 30 Aug 2011 12:54:53 +0000 (+0300)
Subject: usb: dwc3: ep0: clear all EP0 flags
X-Git-Tag: firefly_0821_release~3680^2~4327^2~148^2~27
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=76cb323f80ac32833109e2c089842be2b99d8d2b;p=firefly-linux-kernel-4.4.55.git

usb: dwc3: ep0: clear all EP0 flags

when we're going to issue Set Stall command,
we should clear DWC3_EP_STALL flag, but also
we should clear BUSY, HALTED and all others.

Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 6745d145775d..618a29e11323 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -216,7 +216,7 @@ static void dwc3_ep0_stall_and_restart(struct dwc3 *dwc)
 {
 	/* stall is always issued on EP0 */
 	__dwc3_gadget_ep_set_halt(dwc->eps[0], 1);
-	dwc->eps[0]->flags &= ~DWC3_EP_STALL;
+	dwc->eps[0]->flags = DWC3_EP_ENABLED;
 	dwc->ep0state = EP0_SETUP_PHASE;
 	dwc3_ep0_out_start(dwc);
 }