44 int usb_role_switch_set_role(struct usb_role_switch *sw, enum usb_role role)  in usb_role_switch_set_role()  argument
48 	if (IS_ERR_OR_NULL(sw))  in usb_role_switch_set_role()
51 	mutex_lock(&sw->lock);  in usb_role_switch_set_role()
53 	ret = sw->set(sw, role);  in usb_role_switch_set_role()
55 		sw->role = role;  in usb_role_switch_set_role()
56 		kobject_uevent(&sw->dev.kobj, KOBJ_CHANGE);  in usb_role_switch_set_role()
59 	mutex_unlock(&sw->lock);  in usb_role_switch_set_role()
72 enum usb_role usb_role_switch_get_role(struct usb_role_switch *sw)  in usb_role_switch_get_role()  argument
76 	if (IS_ERR_OR_NULL(sw))  in usb_role_switch_get_role()
79 	mutex_lock(&sw->lock);  in usb_role_switch_get_role()
81 	if (sw->get)  in usb_role_switch_get_role()
82 		role = sw->get(sw);  in usb_role_switch_get_role()
84 		role = sw->role;  in usb_role_switch_get_role()
86 	mutex_unlock(&sw->lock);  in usb_role_switch_get_role()
130 	struct usb_role_switch *sw;  in usb_role_switch_get()  local
132 	sw = usb_role_switch_is_parent(dev_fwnode(dev));  in usb_role_switch_get()
133 	if (!sw)  in usb_role_switch_get()
134 		sw = device_connection_find_match(dev, "usb-role-switch", NULL,  in usb_role_switch_get()
137 	if (!IS_ERR_OR_NULL(sw))  in usb_role_switch_get()
138 		WARN_ON(!try_module_get(sw->dev.parent->driver->owner));  in usb_role_switch_get()
140 	return sw;  in usb_role_switch_get()
153 	struct usb_role_switch *sw;  in fwnode_usb_role_switch_get()  local
155 	sw = usb_role_switch_is_parent(fwnode);  in fwnode_usb_role_switch_get()
156 	if (!sw)  in fwnode_usb_role_switch_get()
157 		sw = fwnode_connection_find_match(fwnode, "usb-role-switch",  in fwnode_usb_role_switch_get()
159 	if (!IS_ERR_OR_NULL(sw))  in fwnode_usb_role_switch_get()
160 		WARN_ON(!try_module_get(sw->dev.parent->driver->owner));  in fwnode_usb_role_switch_get()
162 	return sw;  in fwnode_usb_role_switch_get()
172 void usb_role_switch_put(struct usb_role_switch *sw)  in usb_role_switch_put()  argument
174 	if (!IS_ERR_OR_NULL(sw)) {  in usb_role_switch_put()
175 		module_put(sw->dev.parent->driver->owner);  in usb_role_switch_put()
176 		put_device(&sw->dev);  in usb_role_switch_put()
208 	struct usb_role_switch *sw = to_role_switch(dev);  in usb_role_switch_is_visible()  local
210 	if (sw->allow_userspace_control)  in usb_role_switch_is_visible()
234 	struct usb_role_switch *sw = to_role_switch(dev);  in role_show()  local
235 	enum usb_role role = usb_role_switch_get_role(sw);  in role_show()
243 	struct usb_role_switch *sw = to_role_switch(dev);  in role_store()  local
256 	ret = usb_role_switch_set_role(sw, ret);  in role_store()
292 	struct usb_role_switch *sw = to_role_switch(dev);  in usb_role_switch_release()  local
294 	kfree(sw);  in usb_role_switch_release()
322 	struct usb_role_switch *sw;  in usb_role_switch_register()  local
328 	sw = kzalloc(sizeof(*sw), GFP_KERNEL);  in usb_role_switch_register()
329 	if (!sw)  in usb_role_switch_register()
332 	mutex_init(&sw->lock);  in usb_role_switch_register()
334 	sw->allow_userspace_control = desc->allow_userspace_control;  in usb_role_switch_register()
335 	sw->usb2_port = desc->usb2_port;  in usb_role_switch_register()
336 	sw->usb3_port = desc->usb3_port;  in usb_role_switch_register()
337 	sw->udc = desc->udc;  in usb_role_switch_register()
338 	sw->set = desc->set;  in usb_role_switch_register()
339 	sw->get = desc->get;  in usb_role_switch_register()
341 	sw->dev.parent = parent;  in usb_role_switch_register()
342 	sw->dev.fwnode = desc->fwnode;  in usb_role_switch_register()
343 	sw->dev.class = &role_class;  in usb_role_switch_register()
344 	sw->dev.type = &usb_role_dev_type;  in usb_role_switch_register()
345 	dev_set_drvdata(&sw->dev, desc->driver_data);  in usb_role_switch_register()
346 	dev_set_name(&sw->dev, "%s-role-switch",  in usb_role_switch_register()
349 	ret = device_register(&sw->dev);  in usb_role_switch_register()
351 		put_device(&sw->dev);  in usb_role_switch_register()
357 	return sw;  in usb_role_switch_register()
367 void usb_role_switch_unregister(struct usb_role_switch *sw)  in usb_role_switch_unregister()  argument
369 	if (!IS_ERR_OR_NULL(sw))  in usb_role_switch_unregister()
370 		device_unregister(&sw->dev);  in usb_role_switch_unregister()
379 void usb_role_switch_set_drvdata(struct usb_role_switch *sw, void *data)  in usb_role_switch_set_drvdata()  argument
381 	dev_set_drvdata(&sw->dev, data);  in usb_role_switch_set_drvdata()
389 void *usb_role_switch_get_drvdata(struct usb_role_switch *sw)  in usb_role_switch_get_drvdata()  argument
391 	return dev_get_drvdata(&sw->dev);  in usb_role_switch_get_drvdata()