Commit b2d4c54e authored by Mian Yousaf Kaukab's avatar Mian Yousaf Kaukab Committed by Felipe Balbi
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usb: dwc2: gadget: ignore stall check for ep0 



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: default avatarMian Yousaf Kaukab <yousaf.kaukab@intel.com>
Tested-by: default avatarRobert Baldyga <r.baldyga@samsung.com>
Tested-by: default avatarDinh Nguyen <dinguyen@opensource.altera.com>
Tested-by: default avatarJohn Youn <johnyoun@synopsys.com>
Acked-by: default avatarJohn Youn <johnyoun@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 86de4895

drivers/usb/dwc2/gadget.c

+1 −1
Original line number Diff line number Diff line
@@ -556,7 +556,7 @@ static void dwc2_hsotg_start_req(struct dwc2_hsotg *hsotg, 
	/* If endpoint is stalled, we will restart request later */

	ctrl = dwc2_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;

	}