staging: octeon-usb: cvmx-usb: utilize Linux error codes
Use generic Linux error codes to replace cvmx_usb_status_t.
The conversion table:
Before After
cvmx_usb_status_t int
CVMX_USB_SUCCESS 0
CVMX_USB_INVALID_PARAM -EINVAL
CVMX_USB_NO_MEMORY -ENOMEM
CVMX_USB_BUSY -EBUSY
CVMX_USB_TIMEOUT -ETIMEDOUT
CVMX_USB_INCORRECT_MODE Deleted (was never used)
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>