| Message ID | 1373524041-10482-4-git-send-email-peter.chen@freescale.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index e475fcd..116c762 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; }
It is useless at below cases: - If we implement both usb host and device at chipidea driver. - If we don't need phy->otg. Signed-off-by: Peter Chen <peter.chen@freescale.com> --- drivers/usb/chipidea/udc.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-)