42 int usb_role_switch_set_role(struct usb_role_switch *sw, enum usb_role role)  in usb_role_switch_set_role()  argument
46 	if (IS_ERR_OR_NULL(sw))  in usb_role_switch_set_role()
49 	mutex_lock(&sw->lock);  in usb_role_switch_set_role()
51 	ret = sw->set(sw->dev.parent, role);  in usb_role_switch_set_role()
53 		sw->role = role;  in usb_role_switch_set_role()
55 	mutex_unlock(&sw->lock);  in usb_role_switch_set_role()
68 enum usb_role usb_role_switch_get_role(struct usb_role_switch *sw)  in usb_role_switch_get_role()  argument
72 	if (IS_ERR_OR_NULL(sw))  in usb_role_switch_get_role()
75 	mutex_lock(&sw->lock);  in usb_role_switch_get_role()
77 	if (sw->get)  in usb_role_switch_get_role()
78 		role = sw->get(sw->dev.parent);  in usb_role_switch_get_role()
80 		role = sw->role;  in usb_role_switch_get_role()
82 	mutex_unlock(&sw->lock);  in usb_role_switch_get_role()
127 	struct usb_role_switch *sw;  in usb_role_switch_get()  local
129 	sw = usb_role_switch_is_parent(dev_fwnode(dev));  in usb_role_switch_get()
130 	if (!sw)  in usb_role_switch_get()
131 		sw = device_connection_find_match(dev, "usb-role-switch", NULL,  in usb_role_switch_get()
134 	if (!IS_ERR_OR_NULL(sw))  in usb_role_switch_get()
135 		WARN_ON(!try_module_get(sw->dev.parent->driver->owner));  in usb_role_switch_get()
137 	return sw;  in usb_role_switch_get()
150 	struct usb_role_switch *sw;  in fwnode_usb_role_switch_get()  local
152 	sw = usb_role_switch_is_parent(fwnode);  in fwnode_usb_role_switch_get()
153 	if (!sw)  in fwnode_usb_role_switch_get()
154 		sw = fwnode_connection_find_match(fwnode, "usb-role-switch",  in fwnode_usb_role_switch_get()
156 	if (!IS_ERR_OR_NULL(sw))  in fwnode_usb_role_switch_get()
157 		WARN_ON(!try_module_get(sw->dev.parent->driver->owner));  in fwnode_usb_role_switch_get()
159 	return sw;  in fwnode_usb_role_switch_get()
169 void usb_role_switch_put(struct usb_role_switch *sw)  in usb_role_switch_put()  argument
171 	if (!IS_ERR_OR_NULL(sw)) {  in usb_role_switch_put()
172 		put_device(&sw->dev);  in usb_role_switch_put()
173 		module_put(sw->dev.parent->driver->owner);  in usb_role_switch_put()
182 	struct usb_role_switch *sw = to_role_switch(dev);  in usb_role_switch_is_visible()  local
184 	if (sw->allow_userspace_control)  in usb_role_switch_is_visible()
199 	struct usb_role_switch *sw = to_role_switch(dev);  in role_show()  local
200 	enum usb_role role = usb_role_switch_get_role(sw);  in role_show()
208 	struct usb_role_switch *sw = to_role_switch(dev);  in role_store()  local
221 	ret = usb_role_switch_set_role(sw, ret);  in role_store()
258 	struct usb_role_switch *sw = to_role_switch(dev);  in usb_role_switch_release()  local
260 	kfree(sw);  in usb_role_switch_release()
288 	struct usb_role_switch *sw;  in usb_role_switch_register()  local
294 	sw = kzalloc(sizeof(*sw), GFP_KERNEL);  in usb_role_switch_register()
295 	if (!sw)  in usb_role_switch_register()
298 	mutex_init(&sw->lock);  in usb_role_switch_register()
300 	sw->allow_userspace_control = desc->allow_userspace_control;  in usb_role_switch_register()
301 	sw->usb2_port = desc->usb2_port;  in usb_role_switch_register()
302 	sw->usb3_port = desc->usb3_port;  in usb_role_switch_register()
303 	sw->udc = desc->udc;  in usb_role_switch_register()
304 	sw->set = desc->set;  in usb_role_switch_register()
305 	sw->get = desc->get;  in usb_role_switch_register()
307 	sw->dev.parent = parent;  in usb_role_switch_register()
308 	sw->dev.fwnode = desc->fwnode;  in usb_role_switch_register()
309 	sw->dev.class = role_class;  in usb_role_switch_register()
310 	sw->dev.type = &usb_role_dev_type;  in usb_role_switch_register()
311 	dev_set_name(&sw->dev, "%s-role-switch", dev_name(parent));  in usb_role_switch_register()
313 	ret = device_register(&sw->dev);  in usb_role_switch_register()
315 		put_device(&sw->dev);  in usb_role_switch_register()
321 	return sw;  in usb_role_switch_register()
331 void usb_role_switch_unregister(struct usb_role_switch *sw)  in usb_role_switch_unregister()  argument
333 	if (!IS_ERR_OR_NULL(sw))  in usb_role_switch_unregister()
334 		device_unregister(&sw->dev);  in usb_role_switch_unregister()