On 11/07/2013 05:06 PM, Peter Chen wrote:
+#ifdef CONFIG_USB_PHY + if (!hcd->phy) { + struct usb_phy *phy = usb_get_phy_dev(hcd->self.controller, 0); + + if (IS_ERR(phy)) { + retval = PTR_ERR(phy); + if (retval == -EPROBE_DEFER) + return retval; + } else { + retval = usb_phy_init(phy); + if (retval) { + usb_put_phy(phy); + return retval; + } + hcd->phy = phy; + hcd->remove_phy = 1; + } + } +#endif +If the platform doesn't has phy driver, and with CONFIG_USB_PHY enabled, it will have problem for above code.
It shouldn't have any problems since there's no phy bound to the HCD in this case. Thus, usb_get_phy_dev returns -ENODEV and the HCD will be added as usual.
Peter
Thanks, Val. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
