diff options
Diffstat (limited to 'drivers/usb/chipidea/udc.c')
| -rw-r--r-- | drivers/usb/chipidea/udc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index e475fcda1d68..116c76203884 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1805,7 +1805,12 @@ static int udc_start(struct ci_hdrc *ci) if (ci->transceiver) { retval = otg_set_peripheral(ci->transceiver->otg, &ci->gadget); - if (retval) + /* + * If we implement all USB functions using chipidea drivers, + * it doesn't need to call above API, meanwhile, if we only + * use gadget function, calling above API is useless. + */ + if (retval && retval != -ENOTSUPP) goto put_transceiver; } |