On 01/21/2014 12:11 PM, Kishon Vijay Abraham I wrote: > Since PHYs for dwc3 is optional (not all SoCs that have DWC3 use PHYs), > do not return from probe if the USB PHY library returns -ENODEV as that > indicates the platform does not have PHY. > > Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx> Reviewed-by: Roger Quadros <rogerq@xxxxxx> cheers, -roger > --- > drivers/usb/dwc3/core.c | 34 ++++++++++++++-------------------- > 1 file changed, 14 insertions(+), 20 deletions(-) > > diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c > index a49217a..e009d4e 100644 > --- a/drivers/usb/dwc3/core.c > +++ b/drivers/usb/dwc3/core.c > @@ -411,32 +411,26 @@ static int dwc3_probe(struct platform_device *pdev) > > if (IS_ERR(dwc->usb2_phy)) { > ret = PTR_ERR(dwc->usb2_phy); > - > - /* > - * if -ENXIO is returned, it means PHY layer wasn't > - * enabled, so it makes no sense to return -EPROBE_DEFER > - * in that case, since no PHY driver will ever probe. > - */ > - if (ret == -ENXIO) > + if (ret == -ENXIO || ret == -ENODEV) { > + dwc->usb2_phy = NULL; > + } else if (ret == -EPROBE_DEFER) { > return ret; > - > - dev_err(dev, "no usb2 phy configured\n"); > - return -EPROBE_DEFER; > + } else { > + dev_err(dev, "no usb2 phy configured\n"); > + return ret; > + } > } > > if (IS_ERR(dwc->usb3_phy)) { > ret = PTR_ERR(dwc->usb3_phy); > - > - /* > - * if -ENXIO is returned, it means PHY layer wasn't > - * enabled, so it makes no sense to return -EPROBE_DEFER > - * in that case, since no PHY driver will ever probe. > - */ > - if (ret == -ENXIO) > + if (ret == -ENXIO || ret == -ENODEV) { > + dwc->usb3_phy = NULL; > + } else if (ret == -EPROBE_DEFER) { > return ret; > - > - dev_err(dev, "no usb3 phy configured\n"); > - return -EPROBE_DEFER; > + } else { > + dev_err(dev, "no usb3 phy configured\n"); > + return ret; > + } > } > > dwc->xhci_resources[0].start = res->start; > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html