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| author | Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@xilinx.com> | 2015-05-21 10:16:47 (GMT) |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-05-26 15:39:23 (GMT) |
| commit | 891b1dc022955d36cf4c0f42d383226a930db7ed (patch) | |
| tree | 7c742d275705b98154fd063cf9181d20bac56cd7 /drivers/usb/dwc3 | |
| parent | 591fa9dd3fee3de8c729febca395beb75c8ee819 (diff) | |
| download | linux-891b1dc022955d36cf4c0f42d383226a930db7ed.tar.xz | |
usb: dwc3: gadget: return error if command sent to DGCMD register fails
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: b09bb64239c8 (usb: dwc3: gadget: implement Global Command support)
Cc: <stable@vger.kernel.org> #v3.5+
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 8946c32..fcbe120 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -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; } |