usb: gadget: epautoconf: add usb_ep_autoconfig_release() function (b67f628c) · Commits · 戴 / test

drivers/usb/gadget/epautoconf.c

+17 −0

Original line number	Diff line number	Diff line
		@@ -171,6 +171,23 @@ struct usb_ep *usb_ep_autoconfig(
		}
		EXPORT_SYMBOL_GPL(usb_ep_autoconfig);

		/**
		* usb_ep_autoconfig_release - releases endpoint and set it to initial state
		* @ep: endpoint which should be released
		*
		* This function can be used during function bind for endpoints obtained
		* from usb_ep_autoconfig(). It unclaims endpoint claimed by
		* usb_ep_autoconfig() to make it available for other functions. Endpoint
		* which was released is no longer invalid and shouldn't be used in
		* context of function which released it.
		*/
		void usb_ep_autoconfig_release(struct usb_ep *ep)
		{
		ep->claimed = false;
		ep->driver_data = NULL;
		}
		EXPORT_SYMBOL_GPL(usb_ep_autoconfig_release);

		/**
		* usb_ep_autoconfig_reset - reset endpoint autoconfig state
		* @gadget: device for which autoconfig state will be reset

+2 −0

Original line number	Diff line number	Diff line
		@@ -1233,6 +1233,8 @@ extern struct usb_ep usb_ep_autoconfig_ss(struct usb_gadget ,
		struct usb_endpoint_descriptor *,
		struct usb_ss_ep_comp_descriptor *);

		extern void usb_ep_autoconfig_release(struct usb_ep *);

		extern void usb_ep_autoconfig_reset(struct usb_gadget *);

		#endif /* __LINUX_USB_GADGET_H */