dwc2_hsotg_start_req starts a request only if endpoint is not stalled.
Ignore this check for ep0 as core will clear DOEPCTL0.Stall after
sending stall handshake. Prepare instead for receiving next setup
packet.
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@xxxxxxxxx>
Tested-by: Robert Baldyga <r.baldyga@xxxxxxxxxxx>
---
drivers/usb/dwc2/gadget.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index e35b052..b8eb6d8 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -556,7 +556,7 @@ static void dwc2_hsotg_start_req(struct dwc2_hsotg *hsotg,
/* If endpoint is stalled, we will restart request later */
ctrl = readl(hsotg->regs + epctrl_reg);
- if (ctrl & DXEPCTL_STALL) {
+ if (index && ctrl & DXEPCTL_STALL) {
dev_warn(hsotg->dev, "%s: ep%d is stalled\n", __func__, index);
return;
}
--
2.3.3
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