Some SoC such as Layerscape serials which don't require PHY related programming in dwc3-generic.c. In this case (CONFIG_PHY is not set), the dwc3_setup_phy() will return -ENOTSUPP, causing the whole init fail. That should be avoided.
Signed-off-by: Ran Wang ran.wang_1@nxp.com --- Change in v2: - None
drivers/usb/dwc3/dwc3-generic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/dwc3/dwc3-generic.c b/drivers/usb/dwc3/dwc3-generic.c index 36fa16a..d949083 100644 --- a/drivers/usb/dwc3/dwc3-generic.c +++ b/drivers/usb/dwc3/dwc3-generic.c @@ -74,7 +74,7 @@ static int dwc3_generic_probe(struct udevice *dev, }
rc = dwc3_setup_phy(dev, &priv->phys); - if (rc) + if (rc && (rc != -ENOTSUPP)) return rc;
if (device_is_compatible(dev->parent, "rockchip,rk3399-dwc3"))