1 // SPDX-License-Identifier: GPL-2.0
5  * Copyright 2014-2015 Google Inc.
6  * Copyright 2014-2015 Linaro Ltd.
17 /* Allow greybus to be disabled at boot if needed */
33 	if ((id->match_flags & GREYBUS_ID_MATCH_VENDOR) &&  in greybus_match_one_id()
34 	    (id->vendor != bundle->intf->vendor_id))  in greybus_match_one_id()
37 	if ((id->match_flags & GREYBUS_ID_MATCH_PRODUCT) &&  in greybus_match_one_id()
38 	    (id->product != bundle->intf->product_id))  in greybus_match_one_id()
41 	if ((id->match_flags & GREYBUS_ID_MATCH_CLASS) &&  in greybus_match_one_id()
42 	    (id->class != bundle->class))  in greybus_match_one_id()
54 	for (; id->vendor || id->product || id->class || id->driver_info;  in greybus_match_id()
74 	id = greybus_match_id(bundle, driver->id_table);  in greybus_match_device()
77 	/* FIXME - Dynamic ids? */  in greybus_match_device()
81 static int greybus_uevent(struct device *dev, struct kobj_uevent_env *env)  in greybus_uevent()  argument
94 		hd = module->hd;  in greybus_uevent()
97 		module = intf->module;  in greybus_uevent()
98 		hd = intf->hd;  in greybus_uevent()
101 		intf = control->intf;  in greybus_uevent()
102 		module = intf->module;  in greybus_uevent()
103 		hd = intf->hd;  in greybus_uevent()
106 		intf = bundle->intf;  in greybus_uevent()
107 		module = intf->module;  in greybus_uevent()
108 		hd = intf->hd;  in greybus_uevent()
111 		hd = svc->hd;  in greybus_uevent()
114 		return -EINVAL;  in greybus_uevent()
117 	if (add_uevent_var(env, "BUS=%u", hd->bus_id))  in greybus_uevent()
118 		return -ENOMEM;  in greybus_uevent()
121 		if (add_uevent_var(env, "MODULE=%u", module->module_id))  in greybus_uevent()
122 			return -ENOMEM;  in greybus_uevent()
126 		if (add_uevent_var(env, "INTERFACE=%u", intf->interface_id))  in greybus_uevent()
127 			return -ENOMEM;  in greybus_uevent()
128 		if (add_uevent_var(env, "GREYBUS_ID=%08x/%08x",  in greybus_uevent()
129 				   intf->vendor_id, intf->product_id))  in greybus_uevent()
130 			return -ENOMEM;  in greybus_uevent()
139 		if (add_uevent_var(env, "BUNDLE=%u", bundle->id))  in greybus_uevent()
140 			return -ENOMEM;  in greybus_uevent()
141 		if (add_uevent_var(env, "BUNDLE_CLASS=%02x", bundle->class))  in greybus_uevent()
142 			return -ENOMEM;  in greybus_uevent()
167 	struct greybus_driver *driver = to_greybus_driver(dev->driver);  in greybus_probe()
173 	id = greybus_match_id(bundle, driver->id_table);  in greybus_probe()
175 		return -ENODEV;  in greybus_probe()
177 	retval = pm_runtime_get_sync(&bundle->intf->dev);  in greybus_probe()
179 		pm_runtime_put_noidle(&bundle->intf->dev);  in greybus_probe()
183 	retval = gb_control_bundle_activate(bundle->intf->control, bundle->id);  in greybus_probe()
185 		pm_runtime_put(&bundle->intf->dev);  in greybus_probe()
202 	retval = driver->probe(bundle, id);  in greybus_probe()
207 		WARN_ON(!list_empty(&bundle->connections));  in greybus_probe()
209 		gb_control_bundle_deactivate(bundle->intf->control, bundle->id);  in greybus_probe()
215 		pm_runtime_put(&bundle->intf->dev);  in greybus_probe()
220 	pm_runtime_put(&bundle->intf->dev);  in greybus_probe()
227 	struct greybus_driver *driver = to_greybus_driver(dev->driver);  in greybus_remove()
237 	 * Disable (non-offloaded) connections early in case the interface is  in greybus_remove()
241 	list_for_each_entry(connection, &bundle->connections, bundle_links) {  in greybus_remove()
245 		if (bundle->intf->disconnected)  in greybus_remove()
251 	driver->disconnect(bundle);  in greybus_remove()
254 	WARN_ON(!list_empty(&bundle->connections));  in greybus_remove()
256 	if (!bundle->intf->disconnected)  in greybus_remove()
257 		gb_control_bundle_deactivate(bundle->intf->control, bundle->id);  in greybus_remove()
274 		return -ENODEV;  in greybus_register_driver()
276 	driver->driver.bus = &greybus_bus_type;  in greybus_register_driver()
277 	driver->driver.name = driver->name;  in greybus_register_driver()
278 	driver->driver.probe = greybus_probe;  in greybus_register_driver()
279 	driver->driver.remove = greybus_remove;  in greybus_register_driver()
280 	driver->driver.owner = owner;  in greybus_register_driver()
281 	driver->driver.mod_name = mod_name;  in greybus_register_driver()
283 	retval = driver_register(&driver->driver);  in greybus_register_driver()
287 	pr_info("registered new driver %s\n", driver->name);  in greybus_register_driver()
294 	driver_unregister(&driver->driver);  in greybus_deregister_driver()
303 		return -ENODEV;  in gb_init()
349 MODULE_AUTHOR("Greg Kroah-Hartman <gregkh@linuxfoundation.org>");