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 6745d14..618a29e 100644 (file)
--- 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);
 }