38 	struct udevice *dev;  in device_bind_common()  local
53 	dev = calloc(1, sizeof(struct udevice));  in device_bind_common()
54 	if (!dev)  in device_bind_common()
57 	INIT_LIST_HEAD(&dev->sibling_node);  in device_bind_common()
58 	INIT_LIST_HEAD(&dev->child_head);  in device_bind_common()
59 	INIT_LIST_HEAD(&dev->uclass_node);  in device_bind_common()
61 	INIT_LIST_HEAD(&dev->devres_head);  in device_bind_common()
63 	dev->platdata = platdata;  in device_bind_common()
64 	dev->driver_data = driver_data;  in device_bind_common()
65 	dev->name = name;  in device_bind_common()
66 	dev->node = node;  in device_bind_common()
67 	dev->parent = parent;  in device_bind_common()
68 	dev->driver = drv;  in device_bind_common()
69 	dev->uclass = uc;  in device_bind_common()
71 	dev->seq = -1;  in device_bind_common()
72 	dev->req_seq = -1;  in device_bind_common()
84 				dev_read_alias_seq(dev, &dev->req_seq);  in device_bind_common()
86 			dev->req_seq = uclass_find_next_free_req_seq(drv->id);  in device_bind_common()
95 				dev->flags |= DM_FLAG_OF_PLATDATA;  in device_bind_common()
102 			dev->flags |= DM_FLAG_ALLOC_PDATA;  in device_bind_common()
103 			dev->platdata = calloc(1,  in device_bind_common()
105 			if (!dev->platdata) {  in device_bind_common()
110 				memcpy(dev->platdata, platdata,  in device_bind_common()
118 		dev->flags |= DM_FLAG_ALLOC_UCLASS_PDATA;  in device_bind_common()
119 		dev->uclass_platdata = calloc(1, size);  in device_bind_common()
120 		if (!dev->uclass_platdata) {  in device_bind_common()
133 			dev->flags |= DM_FLAG_ALLOC_PARENT_PDATA;  in device_bind_common()
134 			dev->parent_platdata = calloc(1, size);  in device_bind_common()
135 			if (!dev->parent_platdata) {  in device_bind_common()
144 		list_add_tail(&dev->sibling_node, &parent->child_head);  in device_bind_common()
146 	ret = uclass_bind_device(dev);  in device_bind_common()
152 		ret = drv->bind(dev);  in device_bind_common()
157 		ret = parent->driver->child_post_bind(dev);  in device_bind_common()
162 		ret = uc->uc_drv->post_bind(dev);  in device_bind_common()
168 		pr_debug("Bound device %s to %s\n", dev->name, parent->name);  in device_bind_common()
170 		*devp = dev;  in device_bind_common()
172 	dev->flags |= DM_FLAG_BOUND;  in device_bind_common()
180 		if (drv->unbind && drv->unbind(dev)) {  in device_bind_common()
182 				dev->name);  in device_bind_common()
188 		if (uclass_unbind_device(dev)) {  in device_bind_common()
190 				dev->name);  in device_bind_common()
195 		list_del(&dev->sibling_node);  in device_bind_common()
196 		if (dev->flags & DM_FLAG_ALLOC_PARENT_PDATA) {  in device_bind_common()
197 			free(dev->parent_platdata);  in device_bind_common()
198 			dev->parent_platdata = NULL;  in device_bind_common()
202 	if (dev->flags & DM_FLAG_ALLOC_UCLASS_PDATA) {  in device_bind_common()
203 		free(dev->uclass_platdata);  in device_bind_common()
204 		dev->uclass_platdata = NULL;  in device_bind_common()
207 	if (dev->flags & DM_FLAG_ALLOC_PDATA) {  in device_bind_common()
208 		free(dev->platdata);  in device_bind_common()
209 		dev->platdata = NULL;  in device_bind_common()
212 	devres_release_all(dev);  in device_bind_common()
214 	free(dev);  in device_bind_common()
308 int device_probe(struct udevice *dev)  in device_probe()  argument
316 	if (!dev)  in device_probe()
319 	if (dev->flags & DM_FLAG_ACTIVATED)  in device_probe()
322 	drv = dev->driver;  in device_probe()
326 	if (drv->priv_auto_alloc_size && !dev->priv) {  in device_probe()
327 		dev->priv = alloc_priv(drv->priv_auto_alloc_size, drv->flags);  in device_probe()
328 		if (!dev->priv) {  in device_probe()
334 	size = dev->uclass->uc_drv->per_device_auto_alloc_size;  in device_probe()
335 	if (size && !dev->uclass_priv) {  in device_probe()
336 		dev->uclass_priv = alloc_priv(size,  in device_probe()
337 					      dev->uclass->uc_drv->flags);  in device_probe()
338 		if (!dev->uclass_priv) {  in device_probe()
345 	if (dev->parent) {  in device_probe()
346 		size = dev->parent->driver->per_child_auto_alloc_size;  in device_probe()
348 			size = dev->parent->uclass->uc_drv->  in device_probe()
351 		if (size && !dev->parent_priv) {  in device_probe()
352 			dev->parent_priv = alloc_priv(size, drv->flags);  in device_probe()
353 			if (!dev->parent_priv) {  in device_probe()
359 		ret = device_probe(dev->parent);  in device_probe()
369 		if (dev->flags & DM_FLAG_ACTIVATED)  in device_probe()
373 	seq = uclass_resolve_seq(dev);  in device_probe()
378 	dev->seq = seq;  in device_probe()
380 	dev->flags |= DM_FLAG_ACTIVATED;  in device_probe()
388 	if (dev->parent && device_get_uclass_id(dev) != UCLASS_PINCTRL)  in device_probe()
389 		pinctrl_select_state(dev, "default");  in device_probe()
391 	if (dev->parent && device_get_uclass_id(dev) != UCLASS_POWER_DOMAIN) {  in device_probe()
392 		if (!power_domain_get(dev, &pd))  in device_probe()
396 	ret = uclass_pre_probe_device(dev);  in device_probe()
400 	if (dev->parent && dev->parent->driver->child_pre_probe) {  in device_probe()
401 		ret = dev->parent->driver->child_pre_probe(dev);  in device_probe()
406 	if (drv->ofdata_to_platdata && dev_has_of_node(dev)) {  in device_probe()
407 		ret = drv->ofdata_to_platdata(dev);  in device_probe()
413 	ret = clk_set_defaults(dev);  in device_probe()
418 		ret = drv->probe(dev);  in device_probe()
420 			dev->flags &= ~DM_FLAG_ACTIVATED;  in device_probe()
425 	ret = uclass_post_probe_device(dev);  in device_probe()
429 	if (dev->parent && device_get_uclass_id(dev) == UCLASS_PINCTRL)  in device_probe()
430 		pinctrl_select_state(dev, "default");  in device_probe()
434 	if (device_remove(dev, DM_REMOVE_NORMAL)) {  in device_probe()
436 			__func__, dev->name);  in device_probe()
439 	dev->flags &= ~DM_FLAG_ACTIVATED;  in device_probe()
441 	dev->seq = -1;  in device_probe()
442 	device_free(dev);  in device_probe()
447 void *dev_get_platdata(const struct udevice *dev)  in dev_get_platdata()  argument
449 	if (!dev) {  in dev_get_platdata()
454 	return dev->platdata;  in dev_get_platdata()
457 void *dev_get_parent_platdata(const struct udevice *dev)  in dev_get_parent_platdata()  argument
459 	if (!dev) {  in dev_get_parent_platdata()
464 	return dev->parent_platdata;  in dev_get_parent_platdata()
467 void *dev_get_uclass_platdata(const struct udevice *dev)  in dev_get_uclass_platdata()  argument
469 	if (!dev) {  in dev_get_uclass_platdata()
474 	return dev->uclass_platdata;  in dev_get_uclass_platdata()
477 void *dev_get_priv(const struct udevice *dev)  in dev_get_priv()  argument
479 	if (!dev) {  in dev_get_priv()
484 	return dev->priv;  in dev_get_priv()
487 void *dev_get_uclass_priv(const struct udevice *dev)  in dev_get_uclass_priv()  argument
489 	if (!dev) {  in dev_get_uclass_priv()
494 	return dev->uclass_priv;  in dev_get_uclass_priv()
497 void *dev_get_parent_priv(const struct udevice *dev)  in dev_get_parent_priv()  argument
499 	if (!dev) {  in dev_get_parent_priv()
504 	return dev->parent_priv;  in dev_get_parent_priv()
507 static int device_get_device_tail(struct udevice *dev, int ret,  in device_get_device_tail()  argument
513 	ret = device_probe(dev);  in device_get_device_tail()
517 	*devp = dev;  in device_get_device_tail()
534 	struct udevice *dev;  in device_find_by_ofnode()  local
539 						   &dev);  in device_find_by_ofnode()
540 		if (!ret || dev) {  in device_find_by_ofnode()
541 			*devp = dev;  in device_find_by_ofnode()
551 	struct udevice *dev;  in device_get_child()  local
553 	list_for_each_entry(dev, &parent->child_head, sibling_node) {  in device_get_child()
555 			return device_get_device_tail(dev, 0, devp);  in device_get_child()
564 	struct udevice *dev;  in device_find_child_by_seq()  local
570 	list_for_each_entry(dev, &parent->child_head, sibling_node) {  in device_find_child_by_seq()
571 		if ((find_req_seq ? dev->req_seq : dev->seq) ==  in device_find_child_by_seq()
573 			*devp = dev;  in device_find_child_by_seq()
584 	struct udevice *dev;  in device_get_child_by_seq()  local
588 	ret = device_find_child_by_seq(parent, seq, false, &dev);  in device_get_child_by_seq()
594 		ret = device_find_child_by_seq(parent, seq, true, &dev);  in device_get_child_by_seq()
596 	return device_get_device_tail(dev, ret, devp);  in device_get_child_by_seq()
602 	struct udevice *dev;  in device_find_child_by_of_offset()  local
606 	list_for_each_entry(dev, &parent->child_head, sibling_node) {  in device_find_child_by_of_offset()
607 		if (dev_of_offset(dev) == of_offset) {  in device_find_child_by_of_offset()
608 			*devp = dev;  in device_find_child_by_of_offset()
619 	struct udevice *dev;  in device_get_child_by_of_offset()  local
623 	ret = device_find_child_by_of_offset(parent, node, &dev);  in device_get_child_by_of_offset()
624 	return device_get_device_tail(dev, ret, devp);  in device_get_child_by_of_offset()
630 	struct udevice *dev, *found;  in _device_find_global_by_ofnode()  local
635 	list_for_each_entry(dev, &parent->child_head, sibling_node) {  in _device_find_global_by_ofnode()
636 		found = _device_find_global_by_ofnode(dev, ofnode);  in _device_find_global_by_ofnode()
653 	struct udevice *dev;  in device_get_global_by_ofnode()  local
655 	dev = _device_find_global_by_ofnode(gd->dm_root, ofnode);  in device_get_global_by_ofnode()
656 	return device_get_device_tail(dev, dev ? 0 : -ENOENT, devp);  in device_get_global_by_ofnode()
673 	struct udevice *dev = *devp;  in device_find_next_child()  local
674 	struct udevice *parent = dev->parent;  in device_find_next_child()
676 	if (list_is_last(&dev->sibling_node, &parent->child_head)) {  in device_find_next_child()
679 		*devp = list_entry(dev->sibling_node.next, struct udevice,  in device_find_next_child()
690 	struct udevice *dev;  in device_find_first_inactive_child()  local
693 	list_for_each_entry(dev, &parent->child_head, sibling_node) {  in device_find_first_inactive_child()
694 		if (!device_active(dev) &&  in device_find_first_inactive_child()
695 		    device_get_uclass_id(dev) == uclass_id) {  in device_find_first_inactive_child()
696 			*devp = dev;  in device_find_first_inactive_child()
708 	struct udevice *dev;  in device_find_first_child_by_uclass()  local
711 	list_for_each_entry(dev, &parent->child_head, sibling_node) {  in device_find_first_child_by_uclass()
712 		if (device_get_uclass_id(dev) == uclass_id) {  in device_find_first_child_by_uclass()
713 			*devp = dev;  in device_find_first_child_by_uclass()
724 	struct udevice *dev;  in device_find_child_by_name()  local
728 	list_for_each_entry(dev, &parent->child_head, sibling_node) {  in device_find_child_by_name()
729 		if (!strcmp(dev->name, name)) {  in device_find_child_by_name()
730 			*devp = dev;  in device_find_child_by_name()
743 ulong dev_get_driver_data(const struct udevice *dev)  in dev_get_driver_data()  argument
745 	return dev->driver_data;  in dev_get_driver_data()
748 const void *dev_get_driver_ops(const struct udevice *dev)  in dev_get_driver_ops()  argument
750 	if (!dev || !dev->driver->ops)  in dev_get_driver_ops()
753 	return dev->driver->ops;  in dev_get_driver_ops()
756 enum uclass_id device_get_uclass_id(const struct udevice *dev)  in device_get_uclass_id()  argument
758 	return dev->uclass->uc_drv->id;  in device_get_uclass_id()
761 const char *dev_get_uclass_name(const struct udevice *dev)  in dev_get_uclass_name()  argument
763 	if (!dev)  in dev_get_uclass_name()
766 	return dev->uclass->uc_drv->name;  in dev_get_uclass_name()
769 bool device_has_children(const struct udevice *dev)  in device_has_children()  argument
771 	return !list_empty(&dev->child_head);  in device_has_children()
774 bool device_has_active_children(struct udevice *dev)  in device_has_active_children()  argument
778 	for (device_find_first_child(dev, &child);  in device_has_active_children()
788 bool device_is_last_sibling(struct udevice *dev)  in device_is_last_sibling()  argument
790 	struct udevice *parent = dev->parent;  in device_is_last_sibling()
794 	return list_is_last(&dev->sibling_node, &parent->child_head);  in device_is_last_sibling()
797 void device_set_name_alloced(struct udevice *dev)  in device_set_name_alloced()  argument
799 	dev->flags |= DM_FLAG_NAME_ALLOCED;  in device_set_name_alloced()
802 int device_set_name(struct udevice *dev, const char *name)  in device_set_name()  argument
807 	dev->name = name;  in device_set_name()
808 	device_set_name_alloced(dev);  in device_set_name()
813 bool device_is_compatible(struct udevice *dev, const char *compat)  in device_is_compatible()  argument
815 	return ofnode_device_is_compatible(dev_ofnode(dev), compat);  in device_is_compatible()
829 	struct udevice *dev;  in dev_disable_by_path()  local
836 		ret = uclass_find_device_by_ofnode(uc->uc_drv->id, node, &dev);  in dev_disable_by_path()
844 	ret = device_remove(dev, DM_REMOVE_NORMAL);  in dev_disable_by_path()
848 	ret = device_unbind(dev);  in dev_disable_by_path()