Felipe Balbi wrote: > Hi, > > Ray Chi <raychi@xxxxxxxxxx> writes: >> diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h >> index 0cd281949970..a23e85bd3933 100644 >> --- a/drivers/usb/dwc3/gadget.h >> +++ b/drivers/usb/dwc3/gadget.h >> @@ -56,6 +56,12 @@ struct dwc3; >> >> /* Frame/Microframe Number Mask */ >> #define DWC3_FRNUMBER_MASK 0x3fff >> + >> +/* Cancel reason for dwc3 request */ >> +#define DWC3_REQUEST_DEQUEUED -ECONNRESET /* Request get dequeued */ >> +#define DWC3_REQUEST_DISCONNECTED -ESHUTDOWN /* Device is disconnected/disabled */ >> +#define DWC3_REQUEST_STALL -EPIPE /* Bus or protocol error */ > > this is just obfuscation, pass the errors directly. Also, make sure > these are documented in the API. > Note: we don't have documentation for error codes for gadget side, only host. These are just the equivalent error codes from the host side. What we currently have for host: https://www.kernel.org/doc/html/latest/driver-api/usb/error-codes.html Maybe someone can work on that in a separate patch. Thanks, Thinh
