Hi > diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c > index e3d0161..d7ec471 100644 > --- a/drivers/usb/common/common.c > +++ b/drivers/usb/common/common.c > @@ -238,6 +238,33 @@ int of_usb_update_otg_caps(struct device_node *np, } > EXPORT_SYMBOL_GPL(of_usb_update_otg_caps); > > +#ifdef CONFIG_USB_OTG > +/** > + * of_usb_get_otg - get the OTG controller linked to the USB controller > + * @np: Pointer to the device_node of the USB controller > + * @otg_caps: Pointer to the target usb_otg_caps to be set Remove otg_caps. Li Jun > + * > + * Returns the OTG controller device or NULL on error. > + */ > +struct device *of_usb_get_otg(struct device_node *np) { > + struct device_node *otg_np; > + struct platform_device *pdev; > + > + otg_np = of_parse_phandle(np, "otg-controller", 0); > + if (!otg_np) > + return NULL; > + > + pdev = of_find_device_by_node(otg_np); > + of_node_put(otg_np); > + if (!pdev) > + return NULL; > + > + return &pdev->dev; > +} > +EXPORT_SYMBOL_GPL(of_usb_get_otg); > +#endif > + > #endif > > MODULE_LICENSE("GPL"); > diff --git a/include/linux/usb/of.h b/include/linux/usb/of.h index > de3237f..499a4e8 100644 > --- a/include/linux/usb/of.h > +++ b/include/linux/usb/of.h > @@ -40,6 +40,15 @@ static inline struct device_node > *usb_of_get_child_node } #endif > > +#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_USB_OTG) struct device > +*of_usb_get_otg(struct device_node *np); #else static inline struct > +device *of_usb_get_otg(struct device_node *np) { > + return NULL; > +} > +#endif > + > #if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_USB_SUPPORT) enum > usb_phy_interface of_usb_get_phy_mode(struct device_node *np); #else > -- > 2.7.4 -- 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