3  * phy-core.c  --  Generic Phy framework.
18 #include <linux/phy/phy.h>
25 	.name = "phy",
37 	struct phy *phy = *(struct phy **)res;  in devm_phy_release()  local
39 	phy_put(dev, phy);  in devm_phy_release()
51 	struct phy *phy = *(struct phy **)res;  in devm_phy_consume()  local
53 	phy_destroy(phy);  in devm_phy_consume()
58 	struct phy **phy = res;  in devm_phy_match()  local
60 	return *phy == match_data;  in devm_phy_match()
64  * phy_create_lookup() - allocate and register PHY/device association
65  * @phy: the phy of the association
71 int phy_create_lookup(struct phy *phy, const char *con_id, const char *dev_id)  in phy_create_lookup()  argument
75 	if (!phy || !dev_id || !con_id)  in phy_create_lookup()
84 	pl->phy = phy;  in phy_create_lookup()
95  * phy_remove_lookup() - find and remove PHY/device association
96  * @phy: the phy of the association
103 void phy_remove_lookup(struct phy *phy, const char *con_id, const char *dev_id)  in phy_remove_lookup()  argument
107 	if (!phy || !dev_id || !con_id)  in phy_remove_lookup()
112 		if (pl->phy == phy && !strcmp(pl->dev_id, dev_id) &&  in phy_remove_lookup()
122 static struct phy *phy_find(struct device *dev, const char *con_id)  in phy_find()
135 	return pl ? pl->phy : ERR_PTR(-ENODEV);  in phy_find()
157 int phy_pm_runtime_get(struct phy *phy)  in phy_pm_runtime_get()  argument
161 	if (!phy)  in phy_pm_runtime_get()
164 	if (!pm_runtime_enabled(&phy->dev))  in phy_pm_runtime_get()
167 	ret = pm_runtime_get(&phy->dev);  in phy_pm_runtime_get()
169 		pm_runtime_put_noidle(&phy->dev);  in phy_pm_runtime_get()
175 int phy_pm_runtime_get_sync(struct phy *phy)  in phy_pm_runtime_get_sync()  argument
179 	if (!phy)  in phy_pm_runtime_get_sync()
182 	if (!pm_runtime_enabled(&phy->dev))  in phy_pm_runtime_get_sync()
185 	ret = pm_runtime_get_sync(&phy->dev);  in phy_pm_runtime_get_sync()
187 		pm_runtime_put_sync(&phy->dev);  in phy_pm_runtime_get_sync()
193 int phy_pm_runtime_put(struct phy *phy)  in phy_pm_runtime_put()  argument
195 	if (!phy)  in phy_pm_runtime_put()
198 	if (!pm_runtime_enabled(&phy->dev))  in phy_pm_runtime_put()
201 	return pm_runtime_put(&phy->dev);  in phy_pm_runtime_put()
205 int phy_pm_runtime_put_sync(struct phy *phy)  in phy_pm_runtime_put_sync()  argument
207 	if (!phy)  in phy_pm_runtime_put_sync()
210 	if (!pm_runtime_enabled(&phy->dev))  in phy_pm_runtime_put_sync()
213 	return pm_runtime_put_sync(&phy->dev);  in phy_pm_runtime_put_sync()
217 void phy_pm_runtime_allow(struct phy *phy)  in phy_pm_runtime_allow()  argument
219 	if (!phy)  in phy_pm_runtime_allow()
222 	if (!pm_runtime_enabled(&phy->dev))  in phy_pm_runtime_allow()
225 	pm_runtime_allow(&phy->dev);  in phy_pm_runtime_allow()
229 void phy_pm_runtime_forbid(struct phy *phy)  in phy_pm_runtime_forbid()  argument
231 	if (!phy)  in phy_pm_runtime_forbid()
234 	if (!pm_runtime_enabled(&phy->dev))  in phy_pm_runtime_forbid()
237 	pm_runtime_forbid(&phy->dev);  in phy_pm_runtime_forbid()
242  * phy_init - phy internal initialization before phy operation
243  * @phy: the phy returned by phy_get()
245  * Used to allow phy's driver to perform phy internal initialization,
247  * is required by the phy to perform the start of operation.
252 int phy_init(struct phy *phy)  in phy_init()  argument
256 	if (!phy)  in phy_init()
259 	ret = phy_pm_runtime_get_sync(phy);  in phy_init()
264 	mutex_lock(&phy->mutex);  in phy_init()
265 	if (phy->power_count > phy->init_count)  in phy_init()
266 		dev_warn(&phy->dev, "phy_power_on was called before phy_init\n");  in phy_init()
268 	if (phy->init_count == 0 && phy->ops->init) {  in phy_init()
269 		ret = phy->ops->init(phy);  in phy_init()
271 			dev_err(&phy->dev, "phy init failed --> %d\n", ret);  in phy_init()
275 	++phy->init_count;  in phy_init()
278 	mutex_unlock(&phy->mutex);  in phy_init()
279 	phy_pm_runtime_put(phy);  in phy_init()
285  * phy_exit - Phy internal un-initialization
286  * @phy: the phy returned by phy_get()
292 int phy_exit(struct phy *phy)  in phy_exit()  argument
296 	if (!phy)  in phy_exit()
299 	ret = phy_pm_runtime_get_sync(phy);  in phy_exit()
304 	mutex_lock(&phy->mutex);  in phy_exit()
305 	if (phy->init_count == 1 && phy->ops->exit) {  in phy_exit()
306 		ret = phy->ops->exit(phy);  in phy_exit()
308 			dev_err(&phy->dev, "phy exit failed --> %d\n", ret);  in phy_exit()
312 	--phy->init_count;  in phy_exit()
315 	mutex_unlock(&phy->mutex);  in phy_exit()
316 	phy_pm_runtime_put(phy);  in phy_exit()
322  * phy_power_on - Enable the phy and enter proper operation
323  * @phy: the phy returned by phy_get()
329 int phy_power_on(struct phy *phy)  in phy_power_on()  argument
333 	if (!phy)  in phy_power_on()
336 	if (phy->pwr) {  in phy_power_on()
337 		ret = regulator_enable(phy->pwr);  in phy_power_on()
342 	ret = phy_pm_runtime_get_sync(phy);  in phy_power_on()
348 	mutex_lock(&phy->mutex);  in phy_power_on()
349 	if (phy->power_count == 0 && phy->ops->power_on) {  in phy_power_on()
350 		ret = phy->ops->power_on(phy);  in phy_power_on()
352 			dev_err(&phy->dev, "phy poweron failed --> %d\n", ret);  in phy_power_on()
356 	++phy->power_count;  in phy_power_on()
357 	mutex_unlock(&phy->mutex);  in phy_power_on()
361 	mutex_unlock(&phy->mutex);  in phy_power_on()
362 	phy_pm_runtime_put_sync(phy);  in phy_power_on()
364 	if (phy->pwr)  in phy_power_on()
365 		regulator_disable(phy->pwr);  in phy_power_on()
372  * phy_power_off - Disable the phy.
373  * @phy: the phy returned by phy_get()
379 int phy_power_off(struct phy *phy)  in phy_power_off()  argument
383 	if (!phy)  in phy_power_off()
386 	mutex_lock(&phy->mutex);  in phy_power_off()
387 	if (phy->power_count == 1 && phy->ops->power_off) {  in phy_power_off()
388 		ret =  phy->ops->power_off(phy);  in phy_power_off()
390 			dev_err(&phy->dev, "phy poweroff failed --> %d\n", ret);  in phy_power_off()
391 			mutex_unlock(&phy->mutex);  in phy_power_off()
395 	--phy->power_count;  in phy_power_off()
396 	mutex_unlock(&phy->mutex);  in phy_power_off()
397 	phy_pm_runtime_put(phy);  in phy_power_off()
399 	if (phy->pwr)  in phy_power_off()
400 		regulator_disable(phy->pwr);  in phy_power_off()
406 int phy_set_mode_ext(struct phy *phy, enum phy_mode mode, int submode)  in phy_set_mode_ext()  argument
410 	if (!phy || !phy->ops->set_mode)  in phy_set_mode_ext()
413 	mutex_lock(&phy->mutex);  in phy_set_mode_ext()
414 	ret = phy->ops->set_mode(phy, mode, submode);  in phy_set_mode_ext()
416 		phy->attrs.mode = mode;  in phy_set_mode_ext()
417 	mutex_unlock(&phy->mutex);  in phy_set_mode_ext()
423 int phy_set_media(struct phy *phy, enum phy_media media)  in phy_set_media()  argument
427 	if (!phy || !phy->ops->set_media)  in phy_set_media()
430 	mutex_lock(&phy->mutex);  in phy_set_media()
431 	ret = phy->ops->set_media(phy, media);  in phy_set_media()
432 	mutex_unlock(&phy->mutex);  in phy_set_media()
438 int phy_set_speed(struct phy *phy, int speed)  in phy_set_speed()  argument
442 	if (!phy || !phy->ops->set_speed)  in phy_set_speed()
445 	mutex_lock(&phy->mutex);  in phy_set_speed()
446 	ret = phy->ops->set_speed(phy, speed);  in phy_set_speed()
447 	mutex_unlock(&phy->mutex);  in phy_set_speed()
453 int phy_reset(struct phy *phy)  in phy_reset()  argument
457 	if (!phy || !phy->ops->reset)  in phy_reset()
460 	ret = phy_pm_runtime_get_sync(phy);  in phy_reset()
464 	mutex_lock(&phy->mutex);  in phy_reset()
465 	ret = phy->ops->reset(phy);  in phy_reset()
466 	mutex_unlock(&phy->mutex);  in phy_reset()
468 	phy_pm_runtime_put(phy);  in phy_reset()
475  * phy_calibrate() - Tunes the phy hw parameters for current configuration
476  * @phy: the phy returned by phy_get()
478  * Used to calibrate phy hardware, typically by adjusting some parameters in
484 int phy_calibrate(struct phy *phy)  in phy_calibrate()  argument
488 	if (!phy || !phy->ops->calibrate)  in phy_calibrate()
491 	mutex_lock(&phy->mutex);  in phy_calibrate()
492 	ret = phy->ops->calibrate(phy);  in phy_calibrate()
493 	mutex_unlock(&phy->mutex);  in phy_calibrate()
500  * phy_notify_connect() - phy connect notification
501  * @phy: the phy returned by phy_get()
504  * If the phy needs to get connection status, the callback can be used.
507 int phy_notify_connect(struct phy *phy, int port)  in phy_notify_connect()  argument
511 	if (!phy || !phy->ops->connect)  in phy_notify_connect()
514 	mutex_lock(&phy->mutex);  in phy_notify_connect()
515 	ret = phy->ops->connect(phy, port);  in phy_notify_connect()
516 	mutex_unlock(&phy->mutex);  in phy_notify_connect()
523  * phy_notify_disconnect() - phy disconnect notification
524  * @phy: the phy returned by phy_get()
527  * If the phy needs to get connection status, the callback can be used.
531 int phy_notify_disconnect(struct phy *phy, int port)  in phy_notify_disconnect()  argument
535 	if (!phy || !phy->ops->disconnect)  in phy_notify_disconnect()
538 	mutex_lock(&phy->mutex);  in phy_notify_disconnect()
539 	ret = phy->ops->disconnect(phy, port);  in phy_notify_disconnect()
540 	mutex_unlock(&phy->mutex);  in phy_notify_disconnect()
547  * phy_configure() - Changes the phy parameters
548  * @phy: the phy returned by phy_get()
551  * Used to change the PHY parameters. phy_init() must have been called
552  * on the phy. The configuration will be applied on the current phy
557 int phy_configure(struct phy *phy, union phy_configure_opts *opts)  in phy_configure()  argument
561 	if (!phy)  in phy_configure()
564 	if (!phy->ops->configure)  in phy_configure()
567 	mutex_lock(&phy->mutex);  in phy_configure()
568 	ret = phy->ops->configure(phy, opts);  in phy_configure()
569 	mutex_unlock(&phy->mutex);  in phy_configure()
576  * phy_validate() - Checks the phy parameters
577  * @phy: the phy returned by phy_get()
579  * @submode: PHY submode the configuration is applicable to.
583  * the phy. Implementations are free to tune the parameters passed as
586  * PHY, so calling it as many times as deemed fit will have no side
591 int phy_validate(struct phy *phy, enum phy_mode mode, int submode,  in phy_validate()  argument
596 	if (!phy)  in phy_validate()
599 	if (!phy->ops->validate)  in phy_validate()
602 	mutex_lock(&phy->mutex);  in phy_validate()
603 	ret = phy->ops->validate(phy, mode, submode, opts);  in phy_validate()
604 	mutex_unlock(&phy->mutex);  in phy_validate()
611  * _of_phy_get() - lookup and obtain a reference to a phy by phandle
612  * @np: device_node for which to get the phy
613  * @index: the index of the phy
615  * Returns the phy associated with the given phandle value,
616  * after getting a refcount to it or -ENODEV if there is no such phy or
617  * -EPROBE_DEFER if there is a phandle to the phy, but the device is
619  * while registering the phy_provider to find the phy instance.
621 static struct phy *_of_phy_get(struct device_node *np, int index)  in _of_phy_get()
625 	struct phy *phy = NULL;  in _of_phy_get()  local
628 	ret = of_parse_phandle_with_args(np, "phys", "#phy-cells",  in _of_phy_get()
633 	/* This phy type handled by the usb-phy subsystem for now */  in _of_phy_get()
635 		phy = ERR_PTR(-ENODEV);  in _of_phy_get()
642 		phy = ERR_PTR(-EPROBE_DEFER);  in _of_phy_get()
647 		dev_warn(phy_provider->dev, "Requested PHY is disabled\n");  in _of_phy_get()
648 		phy = ERR_PTR(-ENODEV);  in _of_phy_get()
652 	phy = phy_provider->of_xlate(phy_provider->dev, &args);  in _of_phy_get()
662 	return phy;  in _of_phy_get()
666  * of_phy_get() - lookup and obtain a reference to a phy using a device_node.
667  * @np: device_node for which to get the phy
668  * @con_id: name of the phy from device's point of view
670  * Returns the phy driver, after getting a refcount to it; or
671  * -ENODEV if there is no such phy. The caller is responsible for
674 struct phy *of_phy_get(struct device_node *np, const char *con_id)  in of_phy_get()
676 	struct phy *phy = NULL;  in of_phy_get()  local
680 		index = of_property_match_string(np, "phy-names", con_id);  in of_phy_get()
682 	phy = _of_phy_get(np, index);  in of_phy_get()
683 	if (IS_ERR(phy))  in of_phy_get()
684 		return phy;  in of_phy_get()
686 	if (!try_module_get(phy->ops->owner))  in of_phy_get()
689 	get_device(&phy->dev);  in of_phy_get()
691 	return phy;  in of_phy_get()
696  * of_phy_put() - release the PHY
697  * @phy: the phy returned by of_phy_get()
701 void of_phy_put(struct phy *phy)  in of_phy_put()  argument
703 	if (!phy || IS_ERR(phy))  in of_phy_put()
706 	mutex_lock(&phy->mutex);  in of_phy_put()
707 	if (phy->ops->release)  in of_phy_put()
708 		phy->ops->release(phy);  in of_phy_put()
709 	mutex_unlock(&phy->mutex);  in of_phy_put()
711 	module_put(phy->ops->owner);  in of_phy_put()
712 	put_device(&phy->dev);  in of_phy_put()
717  * phy_put() - release the PHY
718  * @dev: device that wants to release this phy
719  * @phy: the phy returned by phy_get()
723 void phy_put(struct device *dev, struct phy *phy)  in phy_put()  argument
725 	device_link_remove(dev, &phy->dev);  in phy_put()
726 	of_phy_put(phy);  in phy_put()
731  * devm_phy_put() - release the PHY
732  * @dev: device that wants to release this phy
733  * @phy: the phy returned by devm_phy_get()
735  * destroys the devres associated with this phy and invokes phy_put
736  * to release the phy.
738 void devm_phy_put(struct device *dev, struct phy *phy)  in devm_phy_put()  argument
742 	if (!phy)  in devm_phy_put()
745 	r = devres_release(dev, devm_phy_release, devm_phy_match, phy);  in devm_phy_put()
746 	dev_WARN_ONCE(dev, r, "couldn't find PHY resource\n");  in devm_phy_put()
751  * of_phy_simple_xlate() - returns the phy instance from phy provider
752  * @dev: the PHY provider device (not used here)
755  * Intended to be used by phy provider for the common case where #phy-cells is
756  * 0. For other cases where #phy-cells is greater than '0', the phy provider
758  * the appropriate phy.
760 struct phy *of_phy_simple_xlate(struct device *dev,  in of_phy_simple_xlate()
775  * phy_get() - lookup and obtain a reference to a phy.
776  * @dev: device that requests this phy
777  * @string: the phy name as given in the dt data or the name of the controller
780  * Returns the phy driver, after getting a refcount to it; or
781  * -ENODEV if there is no such phy.  The caller is responsible for
784 struct phy *phy_get(struct device *dev, const char *string)  in phy_get()
787 	struct phy *phy;  in phy_get()  local
792 			index = of_property_match_string(dev->of_node, "phy-names",  in phy_get()
796 		phy = _of_phy_get(dev->of_node, index);  in phy_get()
802 		phy = phy_find(dev, string);  in phy_get()
804 	if (IS_ERR(phy))  in phy_get()
805 		return phy;  in phy_get()
807 	if (!try_module_get(phy->ops->owner))  in phy_get()
810 	get_device(&phy->dev);  in phy_get()
812 	link = device_link_add(dev, &phy->dev, DL_FLAG_STATELESS);  in phy_get()
815 			dev_name(phy->dev.parent));  in phy_get()
817 	return phy;  in phy_get()
822  * devm_phy_get() - lookup and obtain a reference to a phy.
823  * @dev: device that requests this phy
824  * @string: the phy name as given in the dt data or phy device name
827  * Gets the phy using phy_get(), and associates a device with it using
831 struct phy *devm_phy_get(struct device *dev, const char *string)  in devm_phy_get()
833 	struct phy **ptr, *phy;  in devm_phy_get()  local
839 	phy = phy_get(dev, string);  in devm_phy_get()
840 	if (!IS_ERR(phy)) {  in devm_phy_get()
841 		*ptr = phy;  in devm_phy_get()
847 	return phy;  in devm_phy_get()
852  * devm_phy_optional_get() - lookup and obtain a reference to an optional phy.
853  * @dev: device that requests this phy
854  * @string: the phy name as given in the dt data or phy device name
857  * Gets the phy using phy_get(), and associates a device with it using
860  * that if the phy does not exist, it is not considered an error and
861  * -ENODEV will not be returned. Instead the NULL phy is returned,
862  * which can be passed to all other phy consumer calls.
864 struct phy *devm_phy_optional_get(struct device *dev, const char *string)  in devm_phy_optional_get()
866 	struct phy *phy = devm_phy_get(dev, string);  in devm_phy_optional_get()  local
868 	if (PTR_ERR(phy) == -ENODEV)  in devm_phy_optional_get()
869 		phy = NULL;  in devm_phy_optional_get()
871 	return phy;  in devm_phy_optional_get()
876  * devm_of_phy_get() - lookup and obtain a reference to a phy.
877  * @dev: device that requests this phy
878  * @np: node containing the phy
879  * @con_id: name of the phy from device's point of view
881  * Gets the phy using of_phy_get(), and associates a device with it using
885 struct phy *devm_of_phy_get(struct device *dev, struct device_node *np,  in devm_of_phy_get()
888 	struct phy **ptr, *phy;  in devm_of_phy_get()  local
895 	phy = of_phy_get(np, con_id);  in devm_of_phy_get()
896 	if (!IS_ERR(phy)) {  in devm_of_phy_get()
897 		*ptr = phy;  in devm_of_phy_get()
901 		return phy;  in devm_of_phy_get()
904 	link = device_link_add(dev, &phy->dev, DL_FLAG_STATELESS);  in devm_of_phy_get()
907 			dev_name(phy->dev.parent));  in devm_of_phy_get()
909 	return phy;  in devm_of_phy_get()
915  * phy.
916  * @dev: device that requests this phy
917  * @np: node containing the phy
918  * @con_id: name of the phy from device's point of view
920  * Gets the phy using of_phy_get(), and associates a device with it using
923  * that if the phy does not exist, it is not considered an error and
924  * -ENODEV will not be returned. Instead the NULL phy is returned,
925  * which can be passed to all other phy consumer calls.
927 struct phy *devm_of_phy_optional_get(struct device *dev, struct device_node *np,  in devm_of_phy_optional_get()
930 	struct phy *phy = devm_of_phy_get(dev, np, con_id);  in devm_of_phy_optional_get()  local
932 	if (PTR_ERR(phy) == -ENODEV)  in devm_of_phy_optional_get()
933 		phy = NULL;  in devm_of_phy_optional_get()
935 	if (IS_ERR(phy))  in devm_of_phy_optional_get()
936 		dev_err_probe(dev, PTR_ERR(phy), "failed to get PHY %pOF:%s",  in devm_of_phy_optional_get()
939 	return phy;  in devm_of_phy_optional_get()
944  * devm_of_phy_get_by_index() - lookup and obtain a reference to a phy by index.
945  * @dev: device that requests this phy
946  * @np: node containing the phy
947  * @index: index of the phy
949  * Gets the phy using _of_phy_get(), then gets a refcount to it,
955 struct phy *devm_of_phy_get_by_index(struct device *dev, struct device_node *np,  in devm_of_phy_get_by_index()
958 	struct phy **ptr, *phy;  in devm_of_phy_get_by_index()  local
965 	phy = _of_phy_get(np, index);  in devm_of_phy_get_by_index()
966 	if (IS_ERR(phy)) {  in devm_of_phy_get_by_index()
968 		return phy;  in devm_of_phy_get_by_index()
971 	if (!try_module_get(phy->ops->owner)) {  in devm_of_phy_get_by_index()
976 	get_device(&phy->dev);  in devm_of_phy_get_by_index()
978 	*ptr = phy;  in devm_of_phy_get_by_index()
981 	link = device_link_add(dev, &phy->dev, DL_FLAG_STATELESS);  in devm_of_phy_get_by_index()
984 			dev_name(phy->dev.parent));  in devm_of_phy_get_by_index()
986 	return phy;  in devm_of_phy_get_by_index()
991  * phy_create() - create a new phy
992  * @dev: device that is creating the new phy
993  * @node: device node of the phy
994  * @ops: function pointers for performing phy operations
996  * Called to create a phy using phy framework.
998 struct phy *phy_create(struct device *dev, struct device_node *node,  in phy_create()
1003 	struct phy *phy;  in phy_create()  local
1008 	phy = kzalloc(sizeof(*phy), GFP_KERNEL);  in phy_create()
1009 	if (!phy)  in phy_create()
1019 	device_initialize(&phy->dev);  in phy_create()
1020 	mutex_init(&phy->mutex);  in phy_create()
1022 	phy->dev.class = &phy_class;  in phy_create()
1023 	phy->dev.parent = dev;  in phy_create()
1024 	phy->dev.of_node = node ?: dev->of_node;  in phy_create()
1025 	phy->id = id;  in phy_create()
1026 	phy->ops = ops;  in phy_create()
1028 	ret = dev_set_name(&phy->dev, "phy-%s.%d", dev_name(dev), id);  in phy_create()
1032 	/* phy-supply */  in phy_create()
1033 	phy->pwr = regulator_get_optional(&phy->dev, "phy");  in phy_create()
1034 	if (IS_ERR(phy->pwr)) {  in phy_create()
1035 		ret = PTR_ERR(phy->pwr);  in phy_create()
1039 		phy->pwr = NULL;  in phy_create()
1042 	ret = device_add(&phy->dev);  in phy_create()
1047 		pm_runtime_enable(&phy->dev);  in phy_create()
1048 		pm_runtime_no_callbacks(&phy->dev);  in phy_create()
1051 	phy->debugfs = debugfs_create_dir(dev_name(&phy->dev), phy_debugfs_root);  in phy_create()
1053 	return phy;  in phy_create()
1056 	put_device(&phy->dev);  /* calls phy_release() which frees resources */  in phy_create()
1060 	kfree(phy);  in phy_create()
1066  * devm_phy_create() - create a new phy
1067  * @dev: device that is creating the new phy
1068  * @node: device node of the phy
1069  * @ops: function pointers for performing phy operations
1071  * Creates a new PHY device adding it to the PHY class.
1072  * While at that, it also associates the device with the phy using devres.
1076 struct phy *devm_phy_create(struct device *dev, struct device_node *node,  in devm_phy_create()
1079 	struct phy **ptr, *phy;  in devm_phy_create()  local
1085 	phy = phy_create(dev, node, ops);  in devm_phy_create()
1086 	if (!IS_ERR(phy)) {  in devm_phy_create()
1087 		*ptr = phy;  in devm_phy_create()
1093 	return phy;  in devm_phy_create()
1098  * phy_destroy() - destroy the phy
1099  * @phy: the phy to be destroyed
1101  * Called to destroy the phy.
1103 void phy_destroy(struct phy *phy)  in phy_destroy()  argument
1105 	pm_runtime_disable(&phy->dev);  in phy_destroy()
1106 	device_unregister(&phy->dev);  in phy_destroy()
1111  * devm_phy_destroy() - destroy the PHY
1112  * @dev: device that wants to release this phy
1113  * @phy: the phy returned by devm_phy_get()
1115  * destroys the devres associated with this phy and invokes phy_destroy
1116  * to destroy the phy.
1118 void devm_phy_destroy(struct device *dev, struct phy *phy)  in devm_phy_destroy()  argument
1122 	r = devres_release(dev, devm_phy_consume, devm_phy_match, phy);  in devm_phy_destroy()
1123 	dev_WARN_ONCE(dev, r, "couldn't find PHY resource\n");  in devm_phy_destroy()
1128  * __of_phy_provider_register() - create/register phy provider with the framework
1129  * @dev: struct device of the phy provider
1132  * @of_xlate: function pointer to obtain phy instance from phy provider
1135  * This is used in the case of dt boot for finding the phy instance from
1136  * phy provider.
1138  * If the PHY provider doesn't nest children directly but uses a separate
1147 	struct phy * (*of_xlate)(struct device *dev,  in __of_phy_provider_register()
1195  * __devm_of_phy_provider_register() - create/register phy provider with the
1197  * @dev: struct device of the phy provider
1200  * @of_xlate: function pointer to obtain phy instance from phy provider
1203  * This is used in the case of dt boot for finding the phy instance from
1204  * phy provider. While at that, it also associates the device with the
1205  * phy provider using devres. On driver detach, release function is invoked
1210 	struct phy * (*of_xlate)(struct device *dev,  in __devm_of_phy_provider_register()
1233  * of_phy_provider_unregister() - unregister phy provider from the framework
1234  * @phy_provider: phy provider returned by of_phy_provider_register()
1252  * devm_of_phy_provider_unregister() - remove phy provider from the framework
1253  * @dev: struct device of the phy provider
1254  * @phy_provider: phy provider returned by of_phy_provider_register()
1256  * destroys the devres associated with this phy provider and invokes
1257  * of_phy_provider_unregister to unregister the phy provider.
1266 	dev_WARN_ONCE(dev, r, "couldn't find PHY provider device resource\n");  in devm_of_phy_provider_unregister()
1271  * phy_release() - release the phy
1272  * @dev: the dev member within phy
1279 	struct phy *phy;  in phy_release()  local
1281 	phy = to_phy(dev);  in phy_release()
1283 	debugfs_remove_recursive(phy->debugfs);  in phy_release()
1284 	regulator_put(phy->pwr);  in phy_release()
1285 	ida_free(&phy_ida, phy->id);  in phy_release()
1286 	kfree(phy);  in phy_release()
1295 		pr_err("failed to register phy class");  in phy_core_init()
1299 	phy_debugfs_root = debugfs_create_dir("phy", NULL);  in phy_core_init()