From: Felipe Balbi <balbi@ti.com>
Date: Mon, 23 Jul 2012 06:07:41 +0000 (+0300)
Subject: usb: dwc3: ep0: make sure to reinitilize ep1 on STALL
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=2dfe37d4a5f9a7586a7ff79249492fb8280afb6f;p=deliverable%2Flinux.git

usb: dwc3: ep0: make sure to reinitilize ep1 on STALL

When issuing SetStall on ep0, we must make sure to
reinitialize all flags on physical ep1 too.

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

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 3f2c698a2bd1..1bba97ba218d 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -262,9 +262,14 @@ out:
 
 static void dwc3_ep0_stall_and_restart(struct dwc3 *dwc)
 {
-	struct dwc3_ep		*dep = dwc->eps[0];
+	struct dwc3_ep		*dep;
+
+	/* reinitialize physical ep1 */
+	dep = dwc->eps[1];
+	dep->flags = DWC3_EP_ENABLED;
 
 	/* stall is always issued on EP0 */
+	dep = dwc->eps[0];
 	__dwc3_gadget_ep_set_halt(dep, 1);
 	dep->flags = DWC3_EP_ENABLED;
 	dwc->delayed_status = false;