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| author | Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@xilinx.com> | 2015-05-21 15:46:48 +0530 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2015-08-12 16:33:12 +0200 |
| commit | 75d7f51f1aebcf9f2f0d6deadb75c612467a2977 (patch) | |
| tree | 360a671597cd3db06d9fb00b2e26a420e3d04b44 /drivers/usb | |
| parent | 7e8d1a43aedd33237dbc929d6065bc9ca8b09525 (diff) | |
| download | kernel_samsung_smdk4412-75d7f51f1aebcf9f2f0d6deadb75c612467a2977.zip kernel_samsung_smdk4412-75d7f51f1aebcf9f2f0d6deadb75c612467a2977.tar.gz kernel_samsung_smdk4412-75d7f51f1aebcf9f2f0d6deadb75c612467a2977.tar.bz2 | |
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: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers/usb')
| -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 5f2e3d0..b4623f1 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -171,6 +171,8 @@ 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; } |