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

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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: b09bb64239 (usb: dwc3: gadget: implement Global Command support)
Cc: <stable@vger.kernel.org> #v3.5+
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Subbaraya Sundeep Bhatta 2015-05-21 15:46:47 +05:30 committed by Felipe Balbi
parent 591fa9dd3f
commit 891b1dc022
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/dwc3/gadget.c
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@ -291,6 +291,8 @@ int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned cmd, u32 param)
dwc3_trace(trace_dwc3_gadget,
"Command Complete --> %d",
DWC3_DGCMD_STATUS(reg));
if (DWC3_DGCMD_STATUS(reg))
return -EINVAL;
return 0;
}