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
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