diff options
| author | Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@xilinx.com> | 2015-05-21 15:46:48 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-08-03 09:29:54 -0700 |
| commit | dfd5bab553dd52e1367c96e86965cbb345741bbe (patch) | |
| tree | c605f6490d4d1b5788d3623e863b9470307c1a79 | |
| parent | 35910b3c03c66d782a78f801c624319e0bb7a06b (diff) | |
usb: dwc3: gadget: return error if command sent to DEPCMD register fails
commit 76e838c9f7765f9a6205b4d558d75a66104bc60d upstream.
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: 72246da40f37 (usb: Introduce DesignWare USB3 DRD Driver)
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 a62eb5db366a..a57ad1f52f79 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -337,6 +337,8 @@ 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; } |