Messages in this thread Patch in this message | | | From | Subbaraya Sundeep Bhatta <> | Subject | [PATCH v2 2/3] usb: dwc3: gadget: return error if command sent to DGCMD register fails | Date | Thu, 21 May 2015 15:46:47 +0530 |
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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: b09bb64239c8 (usb: dwc3: gadget: implement Global Command support) Cc: <stable@vger.kernel.org> #v3.5+ --- v2 changes: Added Fixes and Cc in commit message.
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; } -- 1.7.4
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