Lines Matching +full:on +full:- +full:chip
1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 1992, 1998-2006 Linus Torvalds, Ingo Molnar
4 * Copyright (C) 2005-2006, Thomas Gleixner, Russell King
6 * This file contains the core interrupt handling code, for irq-chip based
8 * Documentation/core-api/genericirq.rst
29 * Chained handlers should never call action on their IRQ. This default
37 * irq_set_chip - set the irq chip for an irq
39 * @chip: pointer to irq chip description structure
41 int irq_set_chip(unsigned int irq, struct irq_chip *chip) in irq_set_chip() argument
47 return -EINVAL; in irq_set_chip()
49 if (!chip) in irq_set_chip()
50 chip = &no_irq_chip; in irq_set_chip()
52 desc->irq_data.chip = chip; in irq_set_chip()
64 * irq_set_irq_type - set the irq trigger type for an irq
66 * @type: IRQ_TYPE_{LEVEL,EDGE}_* value - see include/linux/irq.h
75 return -EINVAL; in irq_set_irq_type()
84 * irq_set_handler_data - set irq handler data for an irq
96 return -EINVAL; in irq_set_handler_data()
97 desc->irq_common_data.handler_data = data; in irq_set_handler_data()
104 * irq_set_msi_desc_off - set MSI descriptor data for an irq at offset
118 return -EINVAL; in irq_set_msi_desc_off()
119 desc->irq_common_data.msi_desc = entry; in irq_set_msi_desc_off()
121 entry->irq = irq_base; in irq_set_msi_desc_off()
127 * irq_set_msi_desc - set MSI descriptor data for an irq
139 * irq_set_chip_data - set irq chip data for an irq
141 * @data: Pointer to chip specific data
143 * Set the hardware irq chip data for an irq
151 return -EINVAL; in irq_set_chip_data()
152 desc->irq_data.chip_data = data; in irq_set_chip_data()
162 return desc ? &desc->irq_data : NULL; in irq_get_irq_data()
168 irqd_clear(&desc->irq_data, IRQD_IRQ_DISABLED); in irq_state_clr_disabled()
173 irqd_clear(&desc->irq_data, IRQD_IRQ_MASKED); in irq_state_clr_masked()
178 irqd_clear(&desc->irq_data, IRQD_IRQ_STARTED); in irq_state_clr_started()
183 irqd_set(&desc->irq_data, IRQD_IRQ_STARTED); in irq_state_set_started()
205 * Catch code which fiddles with enable_irq() on a managed in __irq_startup_managed()
207 * installment or irq auto probing should not happen on in __irq_startup_managed()
244 if (d->chip->irq_startup) { in __irq_startup()
245 ret = d->chip->irq_startup(d); in __irq_startup()
261 desc->depth = 0; in irq_startup()
268 if (d->chip->flags & IRQCHIP_AFFINITY_PRE_STARTUP) in irq_startup()
271 if (!(d->chip->flags & IRQCHIP_AFFINITY_PRE_STARTUP)) in irq_startup()
309 if (irqd_is_started(&desc->irq_data)) { in irq_shutdown()
310 desc->depth = 1; in irq_shutdown()
311 if (desc->irq_data.chip->irq_shutdown) { in irq_shutdown()
312 desc->irq_data.chip->irq_shutdown(&desc->irq_data); in irq_shutdown()
332 irq_domain_deactivate_irq(&desc->irq_data); in irq_shutdown_and_deactivate()
337 if (!irqd_irq_disabled(&desc->irq_data)) { in irq_enable()
341 if (desc->irq_data.chip->irq_enable) { in irq_enable()
342 desc->irq_data.chip->irq_enable(&desc->irq_data); in irq_enable()
352 if (irqd_irq_disabled(&desc->irq_data)) { in __irq_disable()
357 if (desc->irq_data.chip->irq_disable) { in __irq_disable()
358 desc->irq_data.chip->irq_disable(&desc->irq_data); in __irq_disable()
367 * irq_disable - Mark interrupt disabled
370 * If the chip does not implement the irq_disable callback, we
379 * If the interrupt chip does not implement the irq_disable callback,
393 if (desc->irq_data.chip->irq_enable) in irq_percpu_enable()
394 desc->irq_data.chip->irq_enable(&desc->irq_data); in irq_percpu_enable()
396 desc->irq_data.chip->irq_unmask(&desc->irq_data); in irq_percpu_enable()
397 cpumask_set_cpu(cpu, desc->percpu_enabled); in irq_percpu_enable()
402 if (desc->irq_data.chip->irq_disable) in irq_percpu_disable()
403 desc->irq_data.chip->irq_disable(&desc->irq_data); in irq_percpu_disable()
405 desc->irq_data.chip->irq_mask(&desc->irq_data); in irq_percpu_disable()
406 cpumask_clear_cpu(cpu, desc->percpu_enabled); in irq_percpu_disable()
411 if (desc->irq_data.chip->irq_mask_ack) { in mask_ack_irq()
412 desc->irq_data.chip->irq_mask_ack(&desc->irq_data); in mask_ack_irq()
416 if (desc->irq_data.chip->irq_ack) in mask_ack_irq()
417 desc->irq_data.chip->irq_ack(&desc->irq_data); in mask_ack_irq()
423 if (irqd_irq_masked(&desc->irq_data)) in mask_irq()
426 if (desc->irq_data.chip->irq_mask) { in mask_irq()
427 desc->irq_data.chip->irq_mask(&desc->irq_data); in mask_irq()
434 if (!irqd_irq_masked(&desc->irq_data)) in unmask_irq()
437 if (desc->irq_data.chip->irq_unmask) { in unmask_irq()
438 desc->irq_data.chip->irq_unmask(&desc->irq_data); in unmask_irq()
445 struct irq_chip *chip = desc->irq_data.chip; in unmask_threaded_irq() local
447 if (chip->flags & IRQCHIP_EOI_THREADED) in unmask_threaded_irq()
448 chip->irq_eoi(&desc->irq_data); in unmask_threaded_irq()
454 * handle_nested_irq - Handle a nested irq from a irq thread
469 raw_spin_lock_irq(&desc->lock); in handle_nested_irq()
471 desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING); in handle_nested_irq()
473 action = desc->action; in handle_nested_irq()
474 if (unlikely(!action || irqd_irq_disabled(&desc->irq_data))) { in handle_nested_irq()
475 desc->istate |= IRQS_PENDING; in handle_nested_irq()
480 irqd_set(&desc->irq_data, IRQD_IRQ_INPROGRESS); in handle_nested_irq()
481 raw_spin_unlock_irq(&desc->lock); in handle_nested_irq()
485 action_ret |= action->thread_fn(action->irq, action->dev_id); in handle_nested_irq()
490 raw_spin_lock_irq(&desc->lock); in handle_nested_irq()
491 irqd_clear(&desc->irq_data, IRQD_IRQ_INPROGRESS); in handle_nested_irq()
494 raw_spin_unlock_irq(&desc->lock); in handle_nested_irq()
500 if (!(desc->istate & IRQS_POLL_INPROGRESS)) in irq_check_poll()
513 if (!irqd_has_set(&desc->irq_data, mask)) in irq_may_run()
525 * Handle a potential concurrent poll on a different core. in irq_may_run()
531 * handle_simple_irq - Simple and software-decoded IRQs.
543 raw_spin_lock(&desc->lock); in handle_simple_irq()
548 desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING); in handle_simple_irq()
550 if (unlikely(!desc->action || irqd_irq_disabled(&desc->irq_data))) { in handle_simple_irq()
551 desc->istate |= IRQS_PENDING; in handle_simple_irq()
559 raw_spin_unlock(&desc->lock); in handle_simple_irq()
564 * handle_untracked_irq - Simple and software-decoded IRQs.
580 raw_spin_lock(&desc->lock); in handle_untracked_irq()
585 desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING); in handle_untracked_irq()
587 if (unlikely(!desc->action || irqd_irq_disabled(&desc->irq_data))) { in handle_untracked_irq()
588 desc->istate |= IRQS_PENDING; in handle_untracked_irq()
592 desc->istate &= ~IRQS_PENDING; in handle_untracked_irq()
593 irqd_set(&desc->irq_data, IRQD_IRQ_INPROGRESS); in handle_untracked_irq()
594 raw_spin_unlock(&desc->lock); in handle_untracked_irq()
598 raw_spin_lock(&desc->lock); in handle_untracked_irq()
599 irqd_clear(&desc->irq_data, IRQD_IRQ_INPROGRESS); in handle_untracked_irq()
602 raw_spin_unlock(&desc->lock); in handle_untracked_irq()
614 * - Standard level irq (IRQF_ONESHOT is not set) in cond_unmask_irq()
615 * - Oneshot irq which did not wake the thread (caused by a in cond_unmask_irq()
619 if (!irqd_irq_disabled(&desc->irq_data) && in cond_unmask_irq()
620 irqd_irq_masked(&desc->irq_data) && !desc->threads_oneshot) in cond_unmask_irq()
625 * handle_level_irq - Level type irq handler
635 raw_spin_lock(&desc->lock); in handle_level_irq()
641 desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING); in handle_level_irq()
647 if (unlikely(!desc->action || irqd_irq_disabled(&desc->irq_data))) { in handle_level_irq()
648 desc->istate |= IRQS_PENDING; in handle_level_irq()
658 raw_spin_unlock(&desc->lock); in handle_level_irq()
662 static void cond_unmask_eoi_irq(struct irq_desc *desc, struct irq_chip *chip) in cond_unmask_eoi_irq() argument
664 if (!(desc->istate & IRQS_ONESHOT)) { in cond_unmask_eoi_irq()
665 chip->irq_eoi(&desc->irq_data); in cond_unmask_eoi_irq()
670 * - Oneshot irq which did not wake the thread (caused by a in cond_unmask_eoi_irq()
674 if (!irqd_irq_disabled(&desc->irq_data) && in cond_unmask_eoi_irq()
675 irqd_irq_masked(&desc->irq_data) && !desc->threads_oneshot) { in cond_unmask_eoi_irq()
676 chip->irq_eoi(&desc->irq_data); in cond_unmask_eoi_irq()
678 } else if (!(chip->flags & IRQCHIP_EOI_THREADED)) { in cond_unmask_eoi_irq()
679 chip->irq_eoi(&desc->irq_data); in cond_unmask_eoi_irq()
684 * handle_fasteoi_irq - irq handler for transparent controllers
687 * Only a single callback will be issued to the chip: an ->eoi()
694 struct irq_chip *chip = desc->irq_data.chip; in handle_fasteoi_irq() local
696 raw_spin_lock(&desc->lock); in handle_fasteoi_irq()
701 desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING); in handle_fasteoi_irq()
707 if (unlikely(!desc->action || irqd_irq_disabled(&desc->irq_data))) { in handle_fasteoi_irq()
708 desc->istate |= IRQS_PENDING; in handle_fasteoi_irq()
714 if (desc->istate & IRQS_ONESHOT) in handle_fasteoi_irq()
719 cond_unmask_eoi_irq(desc, chip); in handle_fasteoi_irq()
721 raw_spin_unlock(&desc->lock); in handle_fasteoi_irq()
724 if (!(chip->flags & IRQCHIP_EOI_IF_HANDLED)) in handle_fasteoi_irq()
725 chip->irq_eoi(&desc->irq_data); in handle_fasteoi_irq()
726 raw_spin_unlock(&desc->lock); in handle_fasteoi_irq()
731 * handle_fasteoi_nmi - irq handler for NMI interrupt lines
734 * A simple NMI-safe handler, considering the restrictions
737 * Only a single callback will be issued to the chip: an ->eoi()
744 struct irq_chip *chip = irq_desc_get_chip(desc); in handle_fasteoi_nmi() local
745 struct irqaction *action = desc->action; in handle_fasteoi_nmi()
755 res = action->handler(irq, action->dev_id); in handle_fasteoi_nmi()
758 if (chip->irq_eoi) in handle_fasteoi_nmi()
759 chip->irq_eoi(&desc->irq_data); in handle_fasteoi_nmi()
764 * handle_edge_irq - edge type IRQ handler
767 * Interrupt occurs on the falling and/or rising edge of a hardware
770 * interrupt can happen on the same source even before the first one
772 * might be necessary to disable (mask) the interrupt depending on the
780 raw_spin_lock(&desc->lock); in handle_edge_irq()
782 desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING); in handle_edge_irq()
785 desc->istate |= IRQS_PENDING; in handle_edge_irq()
794 if (irqd_irq_disabled(&desc->irq_data) || !desc->action) { in handle_edge_irq()
795 desc->istate |= IRQS_PENDING; in handle_edge_irq()
803 desc->irq_data.chip->irq_ack(&desc->irq_data); in handle_edge_irq()
806 if (unlikely(!desc->action)) { in handle_edge_irq()
816 if (unlikely(desc->istate & IRQS_PENDING)) { in handle_edge_irq()
817 if (!irqd_irq_disabled(&desc->irq_data) && in handle_edge_irq()
818 irqd_irq_masked(&desc->irq_data)) in handle_edge_irq()
824 } while ((desc->istate & IRQS_PENDING) && in handle_edge_irq()
825 !irqd_irq_disabled(&desc->irq_data)); in handle_edge_irq()
828 raw_spin_unlock(&desc->lock); in handle_edge_irq()
834 * handle_edge_eoi_irq - edge eoi type IRQ handler
842 struct irq_chip *chip = irq_desc_get_chip(desc); in handle_edge_eoi_irq() local
844 raw_spin_lock(&desc->lock); in handle_edge_eoi_irq()
846 desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING); in handle_edge_eoi_irq()
849 desc->istate |= IRQS_PENDING; in handle_edge_eoi_irq()
857 if (irqd_irq_disabled(&desc->irq_data) || !desc->action) { in handle_edge_eoi_irq()
858 desc->istate |= IRQS_PENDING; in handle_edge_eoi_irq()
865 if (unlikely(!desc->action)) in handle_edge_eoi_irq()
870 } while ((desc->istate & IRQS_PENDING) && in handle_edge_eoi_irq()
871 !irqd_irq_disabled(&desc->irq_data)); in handle_edge_eoi_irq()
874 chip->irq_eoi(&desc->irq_data); in handle_edge_eoi_irq()
875 raw_spin_unlock(&desc->lock); in handle_edge_eoi_irq()
880 * handle_percpu_irq - Per CPU local irq handler
883 * Per CPU interrupts on SMP machines without locking requirements
887 struct irq_chip *chip = irq_desc_get_chip(desc); in handle_percpu_irq() local
891 * desc->tot_count. in handle_percpu_irq()
895 if (chip->irq_ack) in handle_percpu_irq()
896 chip->irq_ack(&desc->irq_data); in handle_percpu_irq()
900 if (chip->irq_eoi) in handle_percpu_irq()
901 chip->irq_eoi(&desc->irq_data); in handle_percpu_irq()
905 * handle_percpu_devid_irq - Per CPU local irq handler with per cpu dev ids
908 * Per CPU interrupts on SMP machines without locking requirements. Same as
911 * action->percpu_dev_id is a pointer to percpu variables which
912 * contain the real device id for the cpu on which this handler is
917 struct irq_chip *chip = irq_desc_get_chip(desc); in handle_percpu_devid_irq() local
918 struct irqaction *action = desc->action; in handle_percpu_devid_irq()
924 * desc->tot_count. in handle_percpu_devid_irq()
928 if (chip->irq_ack) in handle_percpu_devid_irq()
929 chip->irq_ack(&desc->irq_data); in handle_percpu_devid_irq()
933 res = action->handler(irq, raw_cpu_ptr(action->percpu_dev_id)); in handle_percpu_devid_irq()
937 bool enabled = cpumask_test_cpu(cpu, desc->percpu_enabled); in handle_percpu_devid_irq()
942 pr_err_once("Spurious%s percpu IRQ%u on CPU%u\n", in handle_percpu_devid_irq()
946 if (chip->irq_eoi) in handle_percpu_devid_irq()
947 chip->irq_eoi(&desc->irq_data); in handle_percpu_devid_irq()
951 * handle_percpu_devid_fasteoi_nmi - Per CPU local NMI handler with per cpu
960 struct irq_chip *chip = irq_desc_get_chip(desc); in handle_percpu_devid_fasteoi_nmi() local
961 struct irqaction *action = desc->action; in handle_percpu_devid_fasteoi_nmi()
968 res = action->handler(irq, raw_cpu_ptr(action->percpu_dev_id)); in handle_percpu_devid_fasteoi_nmi()
971 if (chip->irq_eoi) in handle_percpu_devid_fasteoi_nmi()
972 chip->irq_eoi(&desc->irq_data); in handle_percpu_devid_fasteoi_nmi()
982 struct irq_data *irq_data = &desc->irq_data; in __irq_do_set_handler()
986 * situation where the outermost chip is not yet set in __irq_do_set_handler()
992 if (irq_data->chip != &no_irq_chip) in __irq_do_set_handler()
995 * Bail out if the outer chip is not set up in __irq_do_set_handler()
1002 irq_data = irq_data->parent_data; in __irq_do_set_handler()
1005 if (WARN_ON(!irq_data || irq_data->chip == &no_irq_chip)) in __irq_do_set_handler()
1011 if (desc->irq_data.chip != &no_irq_chip) in __irq_do_set_handler()
1015 desc->action = NULL; in __irq_do_set_handler()
1016 desc->depth = 1; in __irq_do_set_handler()
1018 desc->handle_irq = handle; in __irq_do_set_handler()
1019 desc->name = name; in __irq_do_set_handler()
1022 unsigned int type = irqd_get_trigger_type(&desc->irq_data); in __irq_do_set_handler()
1034 desc->handle_irq = handle; in __irq_do_set_handler()
1040 desc->action = &chained_action; in __irq_do_set_handler()
1070 desc->irq_common_data.handler_data = data; in irq_set_chained_handler_and_data()
1078 irq_set_chip_and_handler_name(unsigned int irq, struct irq_chip *chip, in irq_set_chip_and_handler_name() argument
1081 irq_set_chip(irq, chip); in irq_set_chip_and_handler_name()
1095 * Warn when a driver sets the no autoenable flag on an already in irq_modify_status()
1098 WARN_ON_ONCE(!desc->depth && (set & _IRQ_NOAUTOEN)); in irq_modify_status()
1102 trigger = irqd_get_trigger_type(&desc->irq_data); in irq_modify_status()
1104 irqd_clear(&desc->irq_data, IRQD_NO_BALANCING | IRQD_PER_CPU | in irq_modify_status()
1107 irqd_set(&desc->irq_data, IRQD_NO_BALANCING); in irq_modify_status()
1109 irqd_set(&desc->irq_data, IRQD_PER_CPU); in irq_modify_status()
1111 irqd_set(&desc->irq_data, IRQD_MOVE_PCNTXT); in irq_modify_status()
1113 irqd_set(&desc->irq_data, IRQD_LEVEL); in irq_modify_status()
1119 irqd_set(&desc->irq_data, trigger); in irq_modify_status()
1126 * irq_cpu_online - Invoke all irq_cpu_online functions.
1128 * Iterate through all irqs and invoke the chip.irq_cpu_online()
1134 struct irq_chip *chip; in irq_cpu_online() local
1143 raw_spin_lock_irqsave(&desc->lock, flags); in irq_cpu_online()
1145 chip = irq_data_get_irq_chip(&desc->irq_data); in irq_cpu_online()
1146 if (chip && chip->irq_cpu_online && in irq_cpu_online()
1147 (!(chip->flags & IRQCHIP_ONOFFLINE_ENABLED) || in irq_cpu_online()
1148 !irqd_irq_disabled(&desc->irq_data))) in irq_cpu_online()
1149 chip->irq_cpu_online(&desc->irq_data); in irq_cpu_online()
1151 raw_spin_unlock_irqrestore(&desc->lock, flags); in irq_cpu_online()
1156 * irq_cpu_offline - Invoke all irq_cpu_offline functions.
1158 * Iterate through all irqs and invoke the chip.irq_cpu_offline()
1164 struct irq_chip *chip; in irq_cpu_offline() local
1173 raw_spin_lock_irqsave(&desc->lock, flags); in irq_cpu_offline()
1175 chip = irq_data_get_irq_chip(&desc->irq_data); in irq_cpu_offline()
1176 if (chip && chip->irq_cpu_offline && in irq_cpu_offline()
1177 (!(chip->flags & IRQCHIP_ONOFFLINE_ENABLED) || in irq_cpu_offline()
1178 !irqd_irq_disabled(&desc->irq_data))) in irq_cpu_offline()
1179 chip->irq_cpu_offline(&desc->irq_data); in irq_cpu_offline()
1181 raw_spin_unlock_irqrestore(&desc->lock, flags); in irq_cpu_offline()
1189 * handle_fasteoi_ack_irq - irq handler for edge hierarchy
1190 * stacked on transparent controllers
1195 * the irq_chip also needs to have its ->irq_ack() function
1200 struct irq_chip *chip = desc->irq_data.chip; in handle_fasteoi_ack_irq() local
1202 raw_spin_lock(&desc->lock); in handle_fasteoi_ack_irq()
1207 desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING); in handle_fasteoi_ack_irq()
1213 if (unlikely(!desc->action || irqd_irq_disabled(&desc->irq_data))) { in handle_fasteoi_ack_irq()
1214 desc->istate |= IRQS_PENDING; in handle_fasteoi_ack_irq()
1220 if (desc->istate & IRQS_ONESHOT) in handle_fasteoi_ack_irq()
1224 desc->irq_data.chip->irq_ack(&desc->irq_data); in handle_fasteoi_ack_irq()
1228 cond_unmask_eoi_irq(desc, chip); in handle_fasteoi_ack_irq()
1230 raw_spin_unlock(&desc->lock); in handle_fasteoi_ack_irq()
1233 if (!(chip->flags & IRQCHIP_EOI_IF_HANDLED)) in handle_fasteoi_ack_irq()
1234 chip->irq_eoi(&desc->irq_data); in handle_fasteoi_ack_irq()
1235 raw_spin_unlock(&desc->lock); in handle_fasteoi_ack_irq()
1240 * handle_fasteoi_mask_irq - irq handler for level hierarchy
1241 * stacked on transparent controllers
1246 * the irq_chip also needs to have its ->irq_mask_ack() function
1251 struct irq_chip *chip = desc->irq_data.chip; in handle_fasteoi_mask_irq() local
1253 raw_spin_lock(&desc->lock); in handle_fasteoi_mask_irq()
1259 desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING); in handle_fasteoi_mask_irq()
1265 if (unlikely(!desc->action || irqd_irq_disabled(&desc->irq_data))) { in handle_fasteoi_mask_irq()
1266 desc->istate |= IRQS_PENDING; in handle_fasteoi_mask_irq()
1272 if (desc->istate & IRQS_ONESHOT) in handle_fasteoi_mask_irq()
1277 cond_unmask_eoi_irq(desc, chip); in handle_fasteoi_mask_irq()
1279 raw_spin_unlock(&desc->lock); in handle_fasteoi_mask_irq()
1282 if (!(chip->flags & IRQCHIP_EOI_IF_HANDLED)) in handle_fasteoi_mask_irq()
1283 chip->irq_eoi(&desc->irq_data); in handle_fasteoi_mask_irq()
1284 raw_spin_unlock(&desc->lock); in handle_fasteoi_mask_irq()
1291 * irq_chip_set_parent_state - set the state of a parent interrupt.
1303 data = data->parent_data; in irq_chip_set_parent_state()
1305 if (!data || !data->chip->irq_set_irqchip_state) in irq_chip_set_parent_state()
1308 return data->chip->irq_set_irqchip_state(data, which, val); in irq_chip_set_parent_state()
1313 * irq_chip_get_parent_state - get the state of a parent interrupt.
1325 data = data->parent_data; in irq_chip_get_parent_state()
1327 if (!data || !data->chip->irq_get_irqchip_state) in irq_chip_get_parent_state()
1330 return data->chip->irq_get_irqchip_state(data, which, state); in irq_chip_get_parent_state()
1335 * irq_chip_enable_parent - Enable the parent interrupt (defaults to unmask if
1341 data = data->parent_data; in irq_chip_enable_parent()
1342 if (data->chip->irq_enable) in irq_chip_enable_parent()
1343 data->chip->irq_enable(data); in irq_chip_enable_parent()
1345 data->chip->irq_unmask(data); in irq_chip_enable_parent()
1350 * irq_chip_disable_parent - Disable the parent interrupt (defaults to mask if
1356 data = data->parent_data; in irq_chip_disable_parent()
1357 if (data->chip->irq_disable) in irq_chip_disable_parent()
1358 data->chip->irq_disable(data); in irq_chip_disable_parent()
1360 data->chip->irq_mask(data); in irq_chip_disable_parent()
1365 * irq_chip_ack_parent - Acknowledge the parent interrupt
1370 data = data->parent_data; in irq_chip_ack_parent()
1371 data->chip->irq_ack(data); in irq_chip_ack_parent()
1376 * irq_chip_mask_parent - Mask the parent interrupt
1381 data = data->parent_data; in irq_chip_mask_parent()
1382 data->chip->irq_mask(data); in irq_chip_mask_parent()
1387 * irq_chip_mask_ack_parent - Mask and acknowledge the parent interrupt
1392 data = data->parent_data; in irq_chip_mask_ack_parent()
1393 data->chip->irq_mask_ack(data); in irq_chip_mask_ack_parent()
1398 * irq_chip_unmask_parent - Unmask the parent interrupt
1403 data = data->parent_data; in irq_chip_unmask_parent()
1404 data->chip->irq_unmask(data); in irq_chip_unmask_parent()
1409 * irq_chip_eoi_parent - Invoke EOI on the parent interrupt
1414 data = data->parent_data; in irq_chip_eoi_parent()
1415 data->chip->irq_eoi(data); in irq_chip_eoi_parent()
1420 * irq_chip_set_affinity_parent - Set affinity on the parent interrupt
1425 * Conditional, as the underlying parent chip might not implement it.
1430 data = data->parent_data; in irq_chip_set_affinity_parent()
1431 if (data->chip->irq_set_affinity) in irq_chip_set_affinity_parent()
1432 return data->chip->irq_set_affinity(data, dest, force); in irq_chip_set_affinity_parent()
1434 return -ENOSYS; in irq_chip_set_affinity_parent()
1439 * irq_chip_set_type_parent - Set IRQ type on the parent interrupt
1441 * @type: IRQ_TYPE_{LEVEL,EDGE}_* value - see include/linux/irq.h
1443 * Conditional, as the underlying parent chip might not implement it.
1447 data = data->parent_data; in irq_chip_set_type_parent()
1449 if (data->chip->irq_set_type) in irq_chip_set_type_parent()
1450 return data->chip->irq_set_type(data, type); in irq_chip_set_type_parent()
1452 return -ENOSYS; in irq_chip_set_type_parent()
1457 * irq_chip_retrigger_hierarchy - Retrigger an interrupt in hardware
1465 for (data = data->parent_data; data; data = data->parent_data) in irq_chip_retrigger_hierarchy()
1466 if (data->chip && data->chip->irq_retrigger) in irq_chip_retrigger_hierarchy()
1467 return data->chip->irq_retrigger(data); in irq_chip_retrigger_hierarchy()
1474 * irq_chip_set_vcpu_affinity_parent - Set vcpu affinity on the parent interrupt
1480 data = data->parent_data; in irq_chip_set_vcpu_affinity_parent()
1481 if (data->chip->irq_set_vcpu_affinity) in irq_chip_set_vcpu_affinity_parent()
1482 return data->chip->irq_set_vcpu_affinity(data, vcpu_info); in irq_chip_set_vcpu_affinity_parent()
1484 return -ENOSYS; in irq_chip_set_vcpu_affinity_parent()
1488 * irq_chip_set_wake_parent - Set/reset wake-up on the parent interrupt
1490 * @on: Whether to set or reset the wake-up capability of this irq
1492 * Conditional, as the underlying parent chip might not implement it.
1494 int irq_chip_set_wake_parent(struct irq_data *data, unsigned int on) in irq_chip_set_wake_parent() argument
1496 data = data->parent_data; in irq_chip_set_wake_parent()
1498 if (data->chip->flags & IRQCHIP_SKIP_SET_WAKE) in irq_chip_set_wake_parent()
1501 if (data->chip->irq_set_wake) in irq_chip_set_wake_parent()
1502 return data->chip->irq_set_wake(data, on); in irq_chip_set_wake_parent()
1504 return -ENOSYS; in irq_chip_set_wake_parent()
1509 * irq_chip_request_resources_parent - Request resources on the parent interrupt
1514 data = data->parent_data; in irq_chip_request_resources_parent()
1516 if (data->chip->irq_request_resources) in irq_chip_request_resources_parent()
1517 return data->chip->irq_request_resources(data); in irq_chip_request_resources_parent()
1519 return -ENOSYS; in irq_chip_request_resources_parent()
1524 * irq_chip_release_resources_parent - Release resources on the parent interrupt
1529 data = data->parent_data; in irq_chip_release_resources_parent()
1530 if (data->chip->irq_release_resources) in irq_chip_release_resources_parent()
1531 data->chip->irq_release_resources(data); in irq_chip_release_resources_parent()
1537 * irq_chip_compose_msi_msg - Compose msi message for a irq chip
1541 * For hierarchical domains we find the first chip in the hierarchy
1543 * hierarchical we use the top level chip.
1550 if (data->chip && data->chip->irq_compose_msi_msg) in irq_chip_compose_msi_msg()
1555 return -ENOSYS; in irq_chip_compose_msi_msg()
1557 pos->chip->irq_compose_msi_msg(pos, msg); in irq_chip_compose_msi_msg()
1562 * irq_chip_pm_get - Enable power for an IRQ chip
1565 * Enable the power to the IRQ chip referenced by the interrupt data
1572 if (IS_ENABLED(CONFIG_PM) && data->chip->parent_device) { in irq_chip_pm_get()
1573 retval = pm_runtime_get_sync(data->chip->parent_device); in irq_chip_pm_get()
1575 pm_runtime_put_noidle(data->chip->parent_device); in irq_chip_pm_get()
1584 * irq_chip_pm_put - Disable power for an IRQ chip
1587 * Disable the power to the IRQ chip referenced by the interrupt data
1595 if (IS_ENABLED(CONFIG_PM) && data->chip->parent_device) in irq_chip_pm_put()
1596 retval = pm_runtime_put(data->chip->parent_device); in irq_chip_pm_put()