68  * @rstc: array of reset controls
73 	struct reset_control *rstc[] __counted_by(num_rstcs);
221 rstc_to_array(struct reset_control *rstc) {  in rstc_to_array()  argument
222 	return container_of(rstc, struct reset_control_array, base);  in rstc_to_array()
230 		ret = reset_control_reset(resets->rstc[i]);  in reset_control_array_reset()
240 	struct reset_control *rstc;  in reset_control_array_rearm()  local
244 		rstc = resets->rstc[i];  in reset_control_array_rearm()
246 		if (!rstc)  in reset_control_array_rearm()
249 		if (WARN_ON(IS_ERR(rstc)))  in reset_control_array_rearm()
252 		if (rstc->shared) {  in reset_control_array_rearm()
253 			if (WARN_ON(atomic_read(&rstc->deassert_count) != 0))  in reset_control_array_rearm()
256 			if (!rstc->acquired)  in reset_control_array_rearm()
262 		rstc = resets->rstc[i];  in reset_control_array_rearm()
264 		if (rstc && rstc->shared)  in reset_control_array_rearm()
265 			WARN_ON(atomic_dec_return(&rstc->triggered_count) < 0);  in reset_control_array_rearm()
276 		ret = reset_control_assert(resets->rstc[i]);  in reset_control_array_assert()
285 		reset_control_deassert(resets->rstc[i]);  in reset_control_array_assert()
294 		ret = reset_control_deassert(resets->rstc[i]);  in reset_control_array_deassert()
303 		reset_control_assert(resets->rstc[i]);  in reset_control_array_deassert()
313 		err = reset_control_acquire(resets->rstc[i]);  in reset_control_array_acquire()
322 		reset_control_release(resets->rstc[i]);  in reset_control_array_acquire()
332 		reset_control_release(resets->rstc[i]);  in reset_control_array_release()
335 static inline bool reset_control_is_array(struct reset_control *rstc)  in reset_control_is_array()  argument
337 	return rstc->array;  in reset_control_is_array()
342  * @rstc: reset controller
350  * If rstc is NULL it is an optional reset and the function will just
353 int reset_control_reset(struct reset_control *rstc)  in reset_control_reset()  argument
357 	if (!rstc)  in reset_control_reset()
360 	if (WARN_ON(IS_ERR(rstc)))  in reset_control_reset()
363 	if (reset_control_is_array(rstc))  in reset_control_reset()
364 		return reset_control_array_reset(rstc_to_array(rstc));  in reset_control_reset()
366 	if (!rstc->rcdev->ops->reset)  in reset_control_reset()
369 	if (rstc->shared) {  in reset_control_reset()
370 		if (WARN_ON(atomic_read(&rstc->deassert_count) != 0))  in reset_control_reset()
373 		if (atomic_inc_return(&rstc->triggered_count) != 1)  in reset_control_reset()
376 		if (!rstc->acquired)  in reset_control_reset()
380 	ret = rstc->rcdev->ops->reset(rstc->rcdev, rstc->id);  in reset_control_reset()
381 	if (rstc->shared && ret)  in reset_control_reset()
382 		atomic_dec(&rstc->triggered_count);  in reset_control_reset()
403 		ret = reset_control_reset(rstcs[i].rstc);  in reset_control_bulk_reset()
414  * @rstc: reset controller
425  * If rstc is NULL the function will just return 0.
427 int reset_control_rearm(struct reset_control *rstc)  in reset_control_rearm()  argument
429 	if (!rstc)  in reset_control_rearm()
432 	if (WARN_ON(IS_ERR(rstc)))  in reset_control_rearm()
435 	if (reset_control_is_array(rstc))  in reset_control_rearm()
436 		return reset_control_array_rearm(rstc_to_array(rstc));  in reset_control_rearm()
438 	if (rstc->shared) {  in reset_control_rearm()
439 		if (WARN_ON(atomic_read(&rstc->deassert_count) != 0))  in reset_control_rearm()
442 		WARN_ON(atomic_dec_return(&rstc->triggered_count) < 0);  in reset_control_rearm()
444 		if (!rstc->acquired)  in reset_control_rearm()
454  * @rstc: reset controller
465  * If rstc is NULL it is an optional reset and the function will just
468 int reset_control_assert(struct reset_control *rstc)  in reset_control_assert()  argument
470 	if (!rstc)  in reset_control_assert()
473 	if (WARN_ON(IS_ERR(rstc)))  in reset_control_assert()
476 	if (reset_control_is_array(rstc))  in reset_control_assert()
477 		return reset_control_array_assert(rstc_to_array(rstc));  in reset_control_assert()
479 	if (rstc->shared) {  in reset_control_assert()
480 		if (WARN_ON(atomic_read(&rstc->triggered_count) != 0))  in reset_control_assert()
483 		if (WARN_ON(atomic_read(&rstc->deassert_count) == 0))  in reset_control_assert()
486 		if (atomic_dec_return(&rstc->deassert_count) != 0)  in reset_control_assert()
493 		if (!rstc->rcdev->ops->assert)  in reset_control_assert()
501 		if (!rstc->rcdev->ops->assert)  in reset_control_assert()
504 		if (!rstc->acquired) {  in reset_control_assert()
506 			     rcdev_name(rstc->rcdev), rstc->id);  in reset_control_assert()
511 	return rstc->rcdev->ops->assert(rstc->rcdev, rstc->id);  in reset_control_assert()
531 		ret = reset_control_assert(rstcs[i].rstc);  in reset_control_bulk_assert()
540 		reset_control_deassert(rstcs[i].rstc);  in reset_control_bulk_assert()
547  * @rstc: reset controller
553  * If rstc is NULL it is an optional reset and the function will just
556 int reset_control_deassert(struct reset_control *rstc)  in reset_control_deassert()  argument
558 	if (!rstc)  in reset_control_deassert()
561 	if (WARN_ON(IS_ERR(rstc)))  in reset_control_deassert()
564 	if (reset_control_is_array(rstc))  in reset_control_deassert()
565 		return reset_control_array_deassert(rstc_to_array(rstc));  in reset_control_deassert()
567 	if (rstc->shared) {  in reset_control_deassert()
568 		if (WARN_ON(atomic_read(&rstc->triggered_count) != 0))  in reset_control_deassert()
571 		if (atomic_inc_return(&rstc->deassert_count) != 1)  in reset_control_deassert()
574 		if (!rstc->acquired) {  in reset_control_deassert()
576 			     rcdev_name(rstc->rcdev), rstc->id);  in reset_control_deassert()
588 	if (!rstc->rcdev->ops->deassert)  in reset_control_deassert()
591 	return rstc->rcdev->ops->deassert(rstc->rcdev, rstc->id);  in reset_control_deassert()
611 		ret = reset_control_deassert(rstcs[i].rstc);  in reset_control_bulk_deassert()
620 		reset_control_assert(rstcs[i++].rstc);  in reset_control_bulk_deassert()
629  * @rstc: reset controller
631 int reset_control_status(struct reset_control *rstc)  in reset_control_status()  argument
633 	if (!rstc)  in reset_control_status()
636 	if (WARN_ON(IS_ERR(rstc)) || reset_control_is_array(rstc))  in reset_control_status()
639 	if (rstc->rcdev->ops->status)  in reset_control_status()
640 		return rstc->rcdev->ops->status(rstc->rcdev, rstc->id);  in reset_control_status()
648  * @rstc: reset control
666 int reset_control_acquire(struct reset_control *rstc)  in reset_control_acquire()  argument
670 	if (!rstc)  in reset_control_acquire()
673 	if (WARN_ON(IS_ERR(rstc)))  in reset_control_acquire()
676 	if (reset_control_is_array(rstc))  in reset_control_acquire()
677 		return reset_control_array_acquire(rstc_to_array(rstc));  in reset_control_acquire()
681 	if (rstc->acquired) {  in reset_control_acquire()
686 	list_for_each_entry(rc, &rstc->rcdev->reset_control_head, list) {  in reset_control_acquire()
687 		if (rstc != rc && rstc->id == rc->id) {  in reset_control_acquire()
695 	rstc->acquired = true;  in reset_control_acquire()
718 		ret = reset_control_acquire(rstcs[i].rstc);  in reset_control_bulk_acquire()
727 		reset_control_release(rstcs[i].rstc);  in reset_control_bulk_acquire()
734  * @rstc: reset control
742 void reset_control_release(struct reset_control *rstc)  in reset_control_release()  argument
744 	if (!rstc || WARN_ON(IS_ERR(rstc)))  in reset_control_release()
747 	if (reset_control_is_array(rstc))  in reset_control_release()
748 		reset_control_array_release(rstc_to_array(rstc));  in reset_control_release()
750 		rstc->acquired = false;  in reset_control_release()
770 		reset_control_release(rstcs[i].rstc);  in reset_control_bulk_release()
780 	struct reset_control *rstc;  in __reset_control_get_internal()  local
789 	list_for_each_entry(rstc, &rcdev->reset_control_head, list) {  in __reset_control_get_internal()
790 		if (rstc->id == index) {  in __reset_control_get_internal()
796 			if (!rstc->shared && !shared && !acquired)  in __reset_control_get_internal()
799 			if (WARN_ON(!rstc->shared || !shared))  in __reset_control_get_internal()
802 			kref_get(&rstc->refcnt);  in __reset_control_get_internal()
803 			return rstc;  in __reset_control_get_internal()
807 	rstc = kzalloc(sizeof(*rstc), GFP_KERNEL);  in __reset_control_get_internal()
808 	if (!rstc)  in __reset_control_get_internal()
812 		kfree(rstc);  in __reset_control_get_internal()
816 	rstc->rcdev = rcdev;  in __reset_control_get_internal()
817 	list_add(&rstc->list, &rcdev->reset_control_head);  in __reset_control_get_internal()
818 	rstc->id = index;  in __reset_control_get_internal()
819 	kref_init(&rstc->refcnt);  in __reset_control_get_internal()
820 	rstc->acquired = acquired;  in __reset_control_get_internal()
821 	rstc->shared = shared;  in __reset_control_get_internal()
824 	return rstc;  in __reset_control_get_internal()
829 	struct reset_control *rstc = container_of(kref, struct reset_control,  in __reset_control_release()  local
834 	module_put(rstc->rcdev->owner);  in __reset_control_release()
836 	list_del(&rstc->list);  in __reset_control_release()
837 	put_device(rstc->rcdev->dev);  in __reset_control_release()
838 	kfree(rstc);  in __reset_control_release()
841 static void __reset_control_put_internal(struct reset_control *rstc)  in __reset_control_put_internal()  argument
845 	if (IS_ERR_OR_NULL(rstc))  in __reset_control_put_internal()
848 	kref_put(&rstc->refcnt, __reset_control_release);  in __reset_control_put_internal()
1008 	struct reset_control *rstc;  in __of_reset_control_get()  local
1047 			rstc = ERR_PTR(ret);  in __of_reset_control_get()
1055 		rstc = ERR_PTR(-EPROBE_DEFER);  in __of_reset_control_get()
1060 		rstc = ERR_PTR(-EINVAL);  in __of_reset_control_get()
1066 		rstc = ERR_PTR(rstc_id);  in __of_reset_control_get()
1073 	rstc = __reset_control_get_internal(rcdev, rstc_id, flags);  in __of_reset_control_get()
1080 	return rstc;  in __of_reset_control_get()
1110 	struct reset_control *rstc = NULL;  in __reset_control_get_from_lookup()  local
1132 			rstc = __reset_control_get_internal(rcdev,  in __reset_control_get_from_lookup()
1142 	if (!rstc)  in __reset_control_get_from_lookup()
1145 	return rstc;  in __reset_control_get_from_lookup()
1171 		rstcs[i].rstc = __reset_control_get(dev, rstcs[i].id, 0, flags);  in __reset_control_bulk_get()
1172 		if (IS_ERR(rstcs[i].rstc)) {  in __reset_control_bulk_get()
1173 			ret = PTR_ERR(rstcs[i].rstc);  in __reset_control_bulk_get()
1183 		__reset_control_put_internal(rstcs[i].rstc);  in __reset_control_bulk_get()
1195 		__reset_control_put_internal(resets->rstc[i]);  in reset_control_array_put()
1202  * @rstc: reset controller
1204 void reset_control_put(struct reset_control *rstc)  in reset_control_put()  argument
1206 	if (IS_ERR_OR_NULL(rstc))  in reset_control_put()
1209 	if (reset_control_is_array(rstc)) {  in reset_control_put()
1210 		reset_control_array_put(rstc_to_array(rstc));  in reset_control_put()
1215 	__reset_control_put_internal(rstc);  in reset_control_put()
1229 		__reset_control_put_internal(rstcs[num_rstcs].rstc);  in reset_control_bulk_put()
1241 	struct reset_control *rstc = *(struct reset_control **)res;  in devm_reset_control_release_deasserted()  local
1243 	reset_control_assert(rstc);  in devm_reset_control_release_deasserted()
1244 	reset_control_put(rstc);  in devm_reset_control_release_deasserted()
1251 	struct reset_control **ptr, *rstc;  in __devm_reset_control_get()  local
1262 	rstc = __reset_control_get(dev, id, index, flags);  in __devm_reset_control_get()
1263 	if (IS_ERR_OR_NULL(rstc)) {  in __devm_reset_control_get()
1265 		return rstc;  in __devm_reset_control_get()
1271 		ret = reset_control_deassert(rstc);  in __devm_reset_control_get()
1273 			reset_control_put(rstc);  in __devm_reset_control_get()
1279 	*ptr = rstc;  in __devm_reset_control_get()
1282 	return rstc;  in __devm_reset_control_get()
1358 	struct reset_control *rstc;  in __device_reset()  local
1374 	rstc = __reset_control_get(dev, NULL, 0, flags);  in __device_reset()
1375 	if (IS_ERR(rstc))  in __device_reset()
1376 		return PTR_ERR(rstc);  in __device_reset()
1378 	ret = reset_control_reset(rstc);  in __device_reset()
1380 	reset_control_put(rstc);  in __device_reset()
1426 	struct reset_control *rstc;  in of_reset_control_array_get()  local
1433 	resets = kzalloc(struct_size(resets, rstc, num), GFP_KERNEL);  in of_reset_control_array_get()
1439 		rstc = __of_reset_control_get(np, NULL, i, flags);  in of_reset_control_array_get()
1440 		if (IS_ERR(rstc))  in of_reset_control_array_get()
1442 		resets->rstc[i] = rstc;  in of_reset_control_array_get()
1451 		__reset_control_put_internal(resets->rstc[i]);  in of_reset_control_array_get()
1456 	return rstc;  in of_reset_control_array_get()
1475 	struct reset_control **ptr, *rstc;  in devm_reset_control_array_get()  local
1482 	rstc = of_reset_control_array_get(dev->of_node, flags);  in devm_reset_control_array_get()
1483 	if (IS_ERR_OR_NULL(rstc)) {  in devm_reset_control_array_get()
1485 		return rstc;  in devm_reset_control_array_get()
1488 	*ptr = rstc;  in devm_reset_control_array_get()
1491 	return rstc;  in devm_reset_control_array_get()