Commit 561ba0fe authored May 21, 2015 by Subbaraya Sundeep Bhatta Committed by Sasha Levin Jul 03, 2015

usb: dwc3: gadget: return error if command sent to DEPCMD register fails



[ Upstream commit 76e838c9f7765f9a6205b4d558d75a66104bc60d ]

We need to return error to caller if command is not sent to
controller succesfully.

Signed-off-by: Subbaraya Sundeep Bhatta <sbhatta@xilinx.com>
Fixes: 72246da4 (usb: Introduce DesignWare USB3 DRD Driver)
Cc: <stable@vger.kernel.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

parent 9b79e913

drivers/usb/dwc3/gadget.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -324,6 +324,8 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep,
		if (!(reg & DWC3_DEPCMD_CMDACT)) {
		dev_vdbg(dwc->dev, "Command Complete --> %d\n",
		DWC3_DEPCMD_STATUS(reg));
		if (DWC3_DEPCMD_STATUS(reg))
		return -EINVAL;
		return 0;
		}