Commit 9b79e913 authored May 21, 2015 by Subbaraya Sundeep Bhatta Committed by Sasha Levin Jul 03, 2015

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



[ Upstream commit 891b1dc022955d36cf4c0f42d383226a930db7ed ]

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: b09bb642 (usb: dwc3: gadget: implement Global Command support)
Cc: <stable@vger.kernel.org> #v3.5+
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

parent c966a8dd

drivers/usb/dwc3/gadget.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -289,6 +289,8 @@ int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned cmd, u32 param)
		if (!(reg & DWC3_DGCMD_CMDACT)) {
		dev_vdbg(dwc->dev, "Command Complete --> %d\n",
		DWC3_DGCMD_STATUS(reg));
		if (DWC3_DGCMD_STATUS(reg))
		return -EINVAL;
		return 0;
		}