Lines Matching refs:desc
38 static void __synchronize_hardirq(struct irq_desc *desc, bool sync_chip) in __synchronize_hardirq() argument
40 struct irq_data *irqd = irq_desc_get_irq_data(desc); in __synchronize_hardirq()
50 while (irqd_irq_inprogress(&desc->irq_data)) in __synchronize_hardirq()
54 raw_spin_lock_irqsave(&desc->lock, flags); in __synchronize_hardirq()
55 inprogress = irqd_irq_inprogress(&desc->irq_data); in __synchronize_hardirq()
70 raw_spin_unlock_irqrestore(&desc->lock, flags); in __synchronize_hardirq()
100 struct irq_desc *desc = irq_to_desc(irq); in synchronize_hardirq() local
102 if (desc) { in synchronize_hardirq()
103 __synchronize_hardirq(desc, false); in synchronize_hardirq()
104 return !atomic_read(&desc->threads_active); in synchronize_hardirq()
111 static void __synchronize_irq(struct irq_desc *desc) in __synchronize_irq() argument
113 __synchronize_hardirq(desc, true); in __synchronize_irq()
118 wait_event(desc->wait_for_threads, !atomic_read(&desc->threads_active)); in __synchronize_irq()
138 struct irq_desc *desc = irq_to_desc(irq); in synchronize_irq() local
140 if (desc) in synchronize_irq()
141 __synchronize_irq(desc); in synchronize_irq()
148 static bool __irq_can_set_affinity(struct irq_desc *desc) in __irq_can_set_affinity() argument
150 if (!desc || !irqd_can_balance(&desc->irq_data) || in __irq_can_set_affinity()
151 !desc->irq_data.chip || !desc->irq_data.chip->irq_set_affinity) in __irq_can_set_affinity()
175 struct irq_desc *desc = irq_to_desc(irq); in irq_can_set_affinity_usr() local
177 return __irq_can_set_affinity(desc) && in irq_can_set_affinity_usr()
178 !irqd_affinity_is_managed(&desc->irq_data); in irq_can_set_affinity_usr()
190 void irq_set_thread_affinity(struct irq_desc *desc) in irq_set_thread_affinity() argument
194 for_each_action_of_desc(desc, action) { in irq_set_thread_affinity()
220 struct irq_desc *desc = irq_data_to_desc(data); in irq_do_set_affinity() local
284 cpumask_copy(desc->irq_common_data.affinity, mask); in irq_do_set_affinity()
288 irq_set_thread_affinity(desc); in irq_do_set_affinity()
299 struct irq_desc *desc = irq_data_to_desc(data); in irq_set_affinity_pending() local
302 irq_copy_pending(desc, dest); in irq_set_affinity_pending()
331 struct irq_desc *desc = irq_data_to_desc(data); in irq_set_affinity_deactivated() local
346 cpumask_copy(desc->irq_common_data.affinity, mask); in irq_set_affinity_deactivated()
356 struct irq_desc *desc = irq_data_to_desc(data); in irq_set_affinity_locked() local
369 irq_copy_pending(desc, mask); in irq_set_affinity_locked()
372 if (desc->affinity_notify) { in irq_set_affinity_locked()
373 kref_get(&desc->affinity_notify->kref); in irq_set_affinity_locked()
374 if (!schedule_work(&desc->affinity_notify->work)) { in irq_set_affinity_locked()
376 kref_put(&desc->affinity_notify->kref, in irq_set_affinity_locked()
377 desc->affinity_notify->release); in irq_set_affinity_locked()
403 struct irq_desc *desc; in irq_update_affinity_desc() local
415 desc = irq_get_desc_buslock(irq, &flags, 0); in irq_update_affinity_desc()
416 if (!desc) in irq_update_affinity_desc()
420 if (irqd_is_started(&desc->irq_data)) { in irq_update_affinity_desc()
426 if (irqd_affinity_is_managed(&desc->irq_data)) { in irq_update_affinity_desc()
435 activated = irqd_is_activated(&desc->irq_data); in irq_update_affinity_desc()
437 irq_domain_deactivate_irq(&desc->irq_data); in irq_update_affinity_desc()
440 irqd_set(&desc->irq_data, IRQD_AFFINITY_MANAGED); in irq_update_affinity_desc()
441 irqd_set(&desc->irq_data, IRQD_MANAGED_SHUTDOWN); in irq_update_affinity_desc()
444 cpumask_copy(desc->irq_common_data.affinity, &affinity->mask); in irq_update_affinity_desc()
448 irq_domain_activate_irq(&desc->irq_data, false); in irq_update_affinity_desc()
451 irq_put_desc_busunlock(desc, flags); in irq_update_affinity_desc()
458 struct irq_desc *desc = irq_to_desc(irq); in __irq_set_affinity() local
462 if (!desc) in __irq_set_affinity()
465 raw_spin_lock_irqsave(&desc->lock, flags); in __irq_set_affinity()
466 ret = irq_set_affinity_locked(irq_desc_get_irq_data(desc), mask, force); in __irq_set_affinity()
467 raw_spin_unlock_irqrestore(&desc->lock, flags); in __irq_set_affinity()
505 struct irq_desc *desc = irq_get_desc_lock(irq, &flags, IRQ_GET_DESC_CHECK_GLOBAL); in __irq_apply_affinity_hint() local
507 if (!desc) in __irq_apply_affinity_hint()
509 desc->affinity_hint = m; in __irq_apply_affinity_hint()
510 irq_put_desc_unlock(desc, flags); in __irq_apply_affinity_hint()
521 struct irq_desc *desc = irq_to_desc(notify->irq); in irq_affinity_notify() local
525 if (!desc || !alloc_cpumask_var(&cpumask, GFP_KERNEL)) in irq_affinity_notify()
528 raw_spin_lock_irqsave(&desc->lock, flags); in irq_affinity_notify()
529 if (irq_move_pending(&desc->irq_data)) in irq_affinity_notify()
530 irq_get_pending(cpumask, desc); in irq_affinity_notify()
532 cpumask_copy(cpumask, desc->irq_common_data.affinity); in irq_affinity_notify()
533 raw_spin_unlock_irqrestore(&desc->lock, flags); in irq_affinity_notify()
556 struct irq_desc *desc = irq_to_desc(irq); in irq_set_affinity_notifier() local
563 if (!desc || desc->istate & IRQS_NMI) in irq_set_affinity_notifier()
573 raw_spin_lock_irqsave(&desc->lock, flags); in irq_set_affinity_notifier()
574 old_notify = desc->affinity_notify; in irq_set_affinity_notifier()
575 desc->affinity_notify = notify; in irq_set_affinity_notifier()
576 raw_spin_unlock_irqrestore(&desc->lock, flags); in irq_set_affinity_notifier()
594 int irq_setup_affinity(struct irq_desc *desc) in irq_setup_affinity() argument
597 int ret, node = irq_desc_get_node(desc); in irq_setup_affinity()
602 if (!__irq_can_set_affinity(desc)) in irq_setup_affinity()
610 if (irqd_affinity_is_managed(&desc->irq_data) || in irq_setup_affinity()
611 irqd_has_set(&desc->irq_data, IRQD_AFFINITY_SET)) { in irq_setup_affinity()
612 if (cpumask_intersects(desc->irq_common_data.affinity, in irq_setup_affinity()
614 set = desc->irq_common_data.affinity; in irq_setup_affinity()
616 irqd_clear(&desc->irq_data, IRQD_AFFINITY_SET); in irq_setup_affinity()
630 ret = irq_do_set_affinity(&desc->irq_data, &mask, false); in irq_setup_affinity()
636 int irq_setup_affinity(struct irq_desc *desc) in irq_setup_affinity() argument
638 return irq_select_affinity(irq_desc_get_irq(desc)); in irq_setup_affinity()
658 struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0); in irq_set_vcpu_affinity() local
663 if (!desc) in irq_set_vcpu_affinity()
666 data = irq_desc_get_irq_data(desc); in irq_set_vcpu_affinity()
680 irq_put_desc_unlock(desc, flags); in irq_set_vcpu_affinity()
686 void __disable_irq(struct irq_desc *desc) in __disable_irq() argument
688 if (!desc->depth++) in __disable_irq()
689 irq_disable(desc); in __disable_irq()
695 struct irq_desc *desc = irq_get_desc_buslock(irq, &flags, IRQ_GET_DESC_CHECK_GLOBAL); in __disable_irq_nosync() local
697 if (!desc) in __disable_irq_nosync()
699 __disable_irq(desc); in __disable_irq_nosync()
700 irq_put_desc_busunlock(desc, flags); in __disable_irq_nosync()
784 void __enable_irq(struct irq_desc *desc) in __enable_irq() argument
786 switch (desc->depth) { in __enable_irq()
790 irq_desc_get_irq(desc)); in __enable_irq()
793 if (desc->istate & IRQS_SUSPENDED) in __enable_irq()
796 irq_settings_set_noprobe(desc); in __enable_irq()
808 irq_startup(desc, IRQ_RESEND, IRQ_START_FORCE); in __enable_irq()
812 desc->depth--; in __enable_irq()
830 struct irq_desc *desc = irq_get_desc_buslock(irq, &flags, IRQ_GET_DESC_CHECK_GLOBAL); in enable_irq() local
832 if (!desc) in enable_irq()
834 if (WARN(!desc->irq_data.chip, in enable_irq()
838 __enable_irq(desc); in enable_irq()
840 irq_put_desc_busunlock(desc, flags); in enable_irq()
860 struct irq_desc *desc = irq_to_desc(irq); in set_irq_wake_real() local
863 if (irq_desc_get_chip(desc)->flags & IRQCHIP_SKIP_SET_WAKE) in set_irq_wake_real()
866 if (desc->irq_data.chip->irq_set_wake) in set_irq_wake_real()
867 ret = desc->irq_data.chip->irq_set_wake(&desc->irq_data, on); in set_irq_wake_real()
894 struct irq_desc *desc = irq_get_desc_buslock(irq, &flags, IRQ_GET_DESC_CHECK_GLOBAL); in irq_set_irq_wake() local
897 if (!desc) in irq_set_irq_wake()
901 if (desc->istate & IRQS_NMI) { in irq_set_irq_wake()
910 if (desc->wake_depth++ == 0) { in irq_set_irq_wake()
913 desc->wake_depth = 0; in irq_set_irq_wake()
915 irqd_set(&desc->irq_data, IRQD_WAKEUP_STATE); in irq_set_irq_wake()
918 if (desc->wake_depth == 0) { in irq_set_irq_wake()
920 } else if (--desc->wake_depth == 0) { in irq_set_irq_wake()
923 desc->wake_depth = 1; in irq_set_irq_wake()
925 irqd_clear(&desc->irq_data, IRQD_WAKEUP_STATE); in irq_set_irq_wake()
930 irq_put_desc_busunlock(desc, flags); in irq_set_irq_wake()
943 struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0); in can_request_irq() local
946 if (!desc) in can_request_irq()
949 if (irq_settings_can_request(desc)) { in can_request_irq()
950 if (!desc->action || in can_request_irq()
951 irqflags & desc->action->flags & IRQF_SHARED) in can_request_irq()
954 irq_put_desc_unlock(desc, flags); in can_request_irq()
958 int __irq_set_trigger(struct irq_desc *desc, unsigned long flags) in __irq_set_trigger() argument
960 struct irq_chip *chip = desc->irq_data.chip; in __irq_set_trigger()
969 irq_desc_get_irq(desc), in __irq_set_trigger()
975 if (!irqd_irq_masked(&desc->irq_data)) in __irq_set_trigger()
976 mask_irq(desc); in __irq_set_trigger()
977 if (!irqd_irq_disabled(&desc->irq_data)) in __irq_set_trigger()
983 ret = chip->irq_set_type(&desc->irq_data, flags); in __irq_set_trigger()
988 irqd_clear(&desc->irq_data, IRQD_TRIGGER_MASK); in __irq_set_trigger()
989 irqd_set(&desc->irq_data, flags); in __irq_set_trigger()
993 flags = irqd_get_trigger_type(&desc->irq_data); in __irq_set_trigger()
994 irq_settings_set_trigger_mask(desc, flags); in __irq_set_trigger()
995 irqd_clear(&desc->irq_data, IRQD_LEVEL); in __irq_set_trigger()
996 irq_settings_clr_level(desc); in __irq_set_trigger()
998 irq_settings_set_level(desc); in __irq_set_trigger()
999 irqd_set(&desc->irq_data, IRQD_LEVEL); in __irq_set_trigger()
1006 flags, irq_desc_get_irq(desc), chip->irq_set_type); in __irq_set_trigger()
1009 unmask_irq(desc); in __irq_set_trigger()
1017 struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0); in irq_set_parent() local
1019 if (!desc) in irq_set_parent()
1022 desc->parent_irq = parent_irq; in irq_set_parent()
1024 irq_put_desc_unlock(desc, flags); in irq_set_parent()
1086 static void irq_finalize_oneshot(struct irq_desc *desc, in irq_finalize_oneshot() argument
1089 if (!(desc->istate & IRQS_ONESHOT) || in irq_finalize_oneshot()
1093 chip_bus_lock(desc); in irq_finalize_oneshot()
1094 raw_spin_lock_irq(&desc->lock); in irq_finalize_oneshot()
1110 if (unlikely(irqd_irq_inprogress(&desc->irq_data))) { in irq_finalize_oneshot()
1111 raw_spin_unlock_irq(&desc->lock); in irq_finalize_oneshot()
1112 chip_bus_sync_unlock(desc); in irq_finalize_oneshot()
1125 desc->threads_oneshot &= ~action->thread_mask; in irq_finalize_oneshot()
1127 if (!desc->threads_oneshot && !irqd_irq_disabled(&desc->irq_data) && in irq_finalize_oneshot()
1128 irqd_irq_masked(&desc->irq_data)) in irq_finalize_oneshot()
1129 unmask_threaded_irq(desc); in irq_finalize_oneshot()
1132 raw_spin_unlock_irq(&desc->lock); in irq_finalize_oneshot()
1133 chip_bus_sync_unlock(desc); in irq_finalize_oneshot()
1141 irq_thread_check_affinity(struct irq_desc *desc, struct irqaction *action) in irq_thread_check_affinity() argument
1158 raw_spin_lock_irq(&desc->lock); in irq_thread_check_affinity()
1163 if (cpumask_available(desc->irq_common_data.affinity)) { in irq_thread_check_affinity()
1166 m = irq_data_get_effective_affinity_mask(&desc->irq_data); in irq_thread_check_affinity()
1171 raw_spin_unlock_irq(&desc->lock); in irq_thread_check_affinity()
1179 irq_thread_check_affinity(struct irq_desc *desc, struct irqaction *action) { } in irq_thread_check_affinity() argument
1189 irq_forced_thread_fn(struct irq_desc *desc, struct irqaction *action) in irq_forced_thread_fn() argument
1198 atomic_inc(&desc->threads_handled); in irq_forced_thread_fn()
1200 irq_finalize_oneshot(desc, action); in irq_forced_thread_fn()
1212 static irqreturn_t irq_thread_fn(struct irq_desc *desc, in irq_thread_fn() argument
1219 atomic_inc(&desc->threads_handled); in irq_thread_fn()
1221 irq_finalize_oneshot(desc, action); in irq_thread_fn()
1225 void wake_threads_waitq(struct irq_desc *desc) in wake_threads_waitq() argument
1227 if (atomic_dec_and_test(&desc->threads_active)) in wake_threads_waitq()
1228 wake_up(&desc->wait_for_threads); in wake_threads_waitq()
1234 struct irq_desc *desc; in irq_thread_dtor() local
1246 desc = irq_to_desc(action->irq); in irq_thread_dtor()
1252 wake_threads_waitq(desc); in irq_thread_dtor()
1255 irq_finalize_oneshot(desc, action); in irq_thread_dtor()
1258 static void irq_wake_secondary(struct irq_desc *desc, struct irqaction *action) in irq_wake_secondary() argument
1265 raw_spin_lock_irq(&desc->lock); in irq_wake_secondary()
1266 __irq_wake_thread(desc, secondary); in irq_wake_secondary()
1267 raw_spin_unlock_irq(&desc->lock); in irq_wake_secondary()
1273 static void irq_thread_set_ready(struct irq_desc *desc, in irq_thread_set_ready() argument
1277 wake_up(&desc->wait_for_threads); in irq_thread_set_ready()
1284 static void wake_up_and_wait_for_irq_thread_ready(struct irq_desc *desc, in wake_up_and_wait_for_irq_thread_ready() argument
1291 wait_event(desc->wait_for_threads, in wake_up_and_wait_for_irq_thread_ready()
1302 struct irq_desc *desc = irq_to_desc(action->irq); in irq_thread() local
1303 irqreturn_t (*handler_fn)(struct irq_desc *desc, in irq_thread()
1306 irq_thread_set_ready(desc, action); in irq_thread()
1319 irq_thread_check_affinity(desc, action); in irq_thread()
1324 irq_thread_check_affinity(desc, action); in irq_thread()
1326 action_ret = handler_fn(desc, action); in irq_thread()
1328 irq_wake_secondary(desc, action); in irq_thread()
1330 wake_threads_waitq(desc); in irq_thread()
1351 struct irq_desc *desc = irq_to_desc(irq); in irq_wake_thread() local
1355 if (!desc || WARN_ON(irq_settings_is_per_cpu_devid(desc))) in irq_wake_thread()
1358 raw_spin_lock_irqsave(&desc->lock, flags); in irq_wake_thread()
1359 for_each_action_of_desc(desc, action) { in irq_wake_thread()
1362 __irq_wake_thread(desc, action); in irq_wake_thread()
1366 raw_spin_unlock_irqrestore(&desc->lock, flags); in irq_wake_thread()
1409 static int irq_request_resources(struct irq_desc *desc) in irq_request_resources() argument
1411 struct irq_data *d = &desc->irq_data; in irq_request_resources()
1417 static void irq_release_resources(struct irq_desc *desc) in irq_release_resources() argument
1419 struct irq_data *d = &desc->irq_data; in irq_release_resources()
1426 static bool irq_supports_nmi(struct irq_desc *desc) in irq_supports_nmi() argument
1428 struct irq_data *d = irq_desc_get_irq_data(desc); in irq_supports_nmi()
1442 static int irq_nmi_setup(struct irq_desc *desc) in irq_nmi_setup() argument
1444 struct irq_data *d = irq_desc_get_irq_data(desc); in irq_nmi_setup()
1450 static void irq_nmi_teardown(struct irq_desc *desc) in irq_nmi_teardown() argument
1452 struct irq_data *d = irq_desc_get_irq_data(desc); in irq_nmi_teardown()
1509 __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) in __setup_irq() argument
1515 if (!desc) in __setup_irq()
1518 if (desc->irq_data.chip == &no_irq_chip) in __setup_irq()
1520 if (!try_module_get(desc->owner)) in __setup_irq()
1530 new->flags |= irqd_get_trigger_type(&desc->irq_data); in __setup_irq()
1536 nested = irq_settings_is_nested_thread(desc); in __setup_irq()
1549 if (irq_settings_can_thread(desc)) { in __setup_irq()
1581 if (desc->irq_data.chip->flags & IRQCHIP_ONESHOT_SAFE) in __setup_irq()
1591 mutex_lock(&desc->request_mutex); in __setup_irq()
1598 chip_bus_lock(desc); in __setup_irq()
1601 if (!desc->action) { in __setup_irq()
1602 ret = irq_request_resources(desc); in __setup_irq()
1605 new->name, irq, desc->irq_data.chip->name); in __setup_irq()
1616 raw_spin_lock_irqsave(&desc->lock, flags); in __setup_irq()
1617 old_ptr = &desc->action; in __setup_irq()
1630 if (desc->istate & IRQS_NMI) { in __setup_irq()
1632 new->name, irq, desc->irq_data.chip->name); in __setup_irq()
1641 if (irqd_trigger_type_was_set(&desc->irq_data)) { in __setup_irq()
1642 oldtype = irqd_get_trigger_type(&desc->irq_data); in __setup_irq()
1645 irqd_set_trigger_type(&desc->irq_data, oldtype); in __setup_irq()
1709 !(desc->irq_data.chip->flags & IRQCHIP_ONESHOT_SAFE)) { in __setup_irq()
1734 ret = __irq_set_trigger(desc, in __setup_irq()
1752 ret = irq_activate(desc); in __setup_irq()
1756 desc->istate &= ~(IRQS_AUTODETECT | IRQS_SPURIOUS_DISABLED | \ in __setup_irq()
1758 irqd_clear(&desc->irq_data, IRQD_IRQ_INPROGRESS); in __setup_irq()
1761 irqd_set(&desc->irq_data, IRQD_PER_CPU); in __setup_irq()
1762 irq_settings_set_per_cpu(desc); in __setup_irq()
1764 irq_settings_set_no_debug(desc); in __setup_irq()
1768 irq_settings_set_no_debug(desc); in __setup_irq()
1771 desc->istate |= IRQS_ONESHOT; in __setup_irq()
1775 irq_settings_set_no_balancing(desc); in __setup_irq()
1776 irqd_set(&desc->irq_data, IRQD_NO_BALANCING); in __setup_irq()
1780 irq_settings_can_autoenable(desc)) { in __setup_irq()
1781 irq_startup(desc, IRQ_RESEND, IRQ_START_COND); in __setup_irq()
1791 desc->depth = 1; in __setup_irq()
1796 unsigned int omsk = irqd_get_trigger_type(&desc->irq_data); in __setup_irq()
1806 irq_pm_install_action(desc, new); in __setup_irq()
1809 desc->irq_count = 0; in __setup_irq()
1810 desc->irqs_unhandled = 0; in __setup_irq()
1816 if (shared && (desc->istate & IRQS_SPURIOUS_DISABLED)) { in __setup_irq()
1817 desc->istate &= ~IRQS_SPURIOUS_DISABLED; in __setup_irq()
1818 __enable_irq(desc); in __setup_irq()
1821 raw_spin_unlock_irqrestore(&desc->lock, flags); in __setup_irq()
1822 chip_bus_sync_unlock(desc); in __setup_irq()
1823 mutex_unlock(&desc->request_mutex); in __setup_irq()
1825 irq_setup_timings(desc, new); in __setup_irq()
1827 wake_up_and_wait_for_irq_thread_ready(desc, new); in __setup_irq()
1828 wake_up_and_wait_for_irq_thread_ready(desc, new->secondary); in __setup_irq()
1830 register_irq_proc(irq, desc); in __setup_irq()
1846 raw_spin_unlock_irqrestore(&desc->lock, flags); in __setup_irq()
1848 if (!desc->action) in __setup_irq()
1849 irq_release_resources(desc); in __setup_irq()
1851 chip_bus_sync_unlock(desc); in __setup_irq()
1852 mutex_unlock(&desc->request_mutex); in __setup_irq()
1868 module_put(desc->owner); in __setup_irq()
1876 static struct irqaction *__free_irq(struct irq_desc *desc, void *dev_id) in __free_irq() argument
1878 unsigned irq = desc->irq_data.irq; in __free_irq()
1884 mutex_lock(&desc->request_mutex); in __free_irq()
1885 chip_bus_lock(desc); in __free_irq()
1886 raw_spin_lock_irqsave(&desc->lock, flags); in __free_irq()
1892 action_ptr = &desc->action; in __free_irq()
1898 raw_spin_unlock_irqrestore(&desc->lock, flags); in __free_irq()
1899 chip_bus_sync_unlock(desc); in __free_irq()
1900 mutex_unlock(&desc->request_mutex); in __free_irq()
1912 irq_pm_remove_action(desc, action); in __free_irq()
1915 if (!desc->action) { in __free_irq()
1916 irq_settings_clr_disable_unlazy(desc); in __free_irq()
1918 irq_shutdown(desc); in __free_irq()
1923 if (WARN_ON_ONCE(desc->affinity_hint)) in __free_irq()
1924 desc->affinity_hint = NULL; in __free_irq()
1927 raw_spin_unlock_irqrestore(&desc->lock, flags); in __free_irq()
1942 chip_bus_sync_unlock(desc); in __free_irq()
1951 __synchronize_irq(desc); in __free_irq()
1982 if (!desc->action) { in __free_irq()
1987 chip_bus_lock(desc); in __free_irq()
1992 raw_spin_lock_irqsave(&desc->lock, flags); in __free_irq()
1993 irq_domain_deactivate_irq(&desc->irq_data); in __free_irq()
1994 raw_spin_unlock_irqrestore(&desc->lock, flags); in __free_irq()
1996 irq_release_resources(desc); in __free_irq()
1997 chip_bus_sync_unlock(desc); in __free_irq()
1998 irq_remove_timings(desc); in __free_irq()
2001 mutex_unlock(&desc->request_mutex); in __free_irq()
2003 irq_chip_pm_put(&desc->irq_data); in __free_irq()
2004 module_put(desc->owner); in __free_irq()
2027 struct irq_desc *desc = irq_to_desc(irq); in free_irq() local
2031 if (!desc || WARN_ON(irq_settings_is_per_cpu_devid(desc))) in free_irq()
2035 if (WARN_ON(desc->affinity_notify)) in free_irq()
2036 desc->affinity_notify = NULL; in free_irq()
2039 action = __free_irq(desc, dev_id); in free_irq()
2051 static const void *__cleanup_nmi(unsigned int irq, struct irq_desc *desc) in __cleanup_nmi() argument
2055 desc->istate &= ~IRQS_NMI; in __cleanup_nmi()
2057 if (!WARN_ON(desc->action == NULL)) { in __cleanup_nmi()
2058 irq_pm_remove_action(desc, desc->action); in __cleanup_nmi()
2059 devname = desc->action->name; in __cleanup_nmi()
2060 unregister_handler_proc(irq, desc->action); in __cleanup_nmi()
2062 kfree(desc->action); in __cleanup_nmi()
2063 desc->action = NULL; in __cleanup_nmi()
2066 irq_settings_clr_disable_unlazy(desc); in __cleanup_nmi()
2067 irq_shutdown_and_deactivate(desc); in __cleanup_nmi()
2069 irq_release_resources(desc); in __cleanup_nmi()
2071 irq_chip_pm_put(&desc->irq_data); in __cleanup_nmi()
2072 module_put(desc->owner); in __cleanup_nmi()
2079 struct irq_desc *desc = irq_to_desc(irq); in free_nmi() local
2083 if (!desc || WARN_ON(!(desc->istate & IRQS_NMI))) in free_nmi()
2086 if (WARN_ON(irq_settings_is_per_cpu_devid(desc))) in free_nmi()
2090 if (WARN_ON(desc->depth == 0)) in free_nmi()
2093 raw_spin_lock_irqsave(&desc->lock, flags); in free_nmi()
2095 irq_nmi_teardown(desc); in free_nmi()
2096 devname = __cleanup_nmi(irq, desc); in free_nmi()
2098 raw_spin_unlock_irqrestore(&desc->lock, flags); in free_nmi()
2150 struct irq_desc *desc; in request_threaded_irq() local
2175 desc = irq_to_desc(irq); in request_threaded_irq()
2176 if (!desc) in request_threaded_irq()
2179 if (!irq_settings_can_request(desc) || in request_threaded_irq()
2180 WARN_ON(irq_settings_is_per_cpu_devid(desc))) in request_threaded_irq()
2199 retval = irq_chip_pm_get(&desc->irq_data); in request_threaded_irq()
2205 retval = __setup_irq(irq, desc, action); in request_threaded_irq()
2208 irq_chip_pm_put(&desc->irq_data); in request_threaded_irq()
2256 struct irq_desc *desc; in request_any_context_irq() local
2262 desc = irq_to_desc(irq); in request_any_context_irq()
2263 if (!desc) in request_any_context_irq()
2266 if (irq_settings_is_nested_thread(desc)) { in request_any_context_irq()
2307 struct irq_desc *desc; in request_nmi() local
2324 desc = irq_to_desc(irq); in request_nmi()
2326 if (!desc || (irq_settings_can_autoenable(desc) && in request_nmi()
2328 !irq_settings_can_request(desc) || in request_nmi()
2329 WARN_ON(irq_settings_is_per_cpu_devid(desc)) || in request_nmi()
2330 !irq_supports_nmi(desc)) in request_nmi()
2342 retval = irq_chip_pm_get(&desc->irq_data); in request_nmi()
2346 retval = __setup_irq(irq, desc, action); in request_nmi()
2350 raw_spin_lock_irqsave(&desc->lock, flags); in request_nmi()
2353 desc->istate |= IRQS_NMI; in request_nmi()
2354 retval = irq_nmi_setup(desc); in request_nmi()
2356 __cleanup_nmi(irq, desc); in request_nmi()
2357 raw_spin_unlock_irqrestore(&desc->lock, flags); in request_nmi()
2361 raw_spin_unlock_irqrestore(&desc->lock, flags); in request_nmi()
2366 irq_chip_pm_put(&desc->irq_data); in request_nmi()
2377 struct irq_desc *desc = irq_get_desc_lock(irq, &flags, IRQ_GET_DESC_CHECK_PERCPU); in enable_percpu_irq() local
2379 if (!desc) in enable_percpu_irq()
2388 type = irqd_get_trigger_type(&desc->irq_data); in enable_percpu_irq()
2393 ret = __irq_set_trigger(desc, type); in enable_percpu_irq()
2401 irq_percpu_enable(desc, cpu); in enable_percpu_irq()
2403 irq_put_desc_unlock(desc, flags); in enable_percpu_irq()
2422 struct irq_desc *desc; in irq_percpu_is_enabled() local
2426 desc = irq_get_desc_lock(irq, &flags, IRQ_GET_DESC_CHECK_PERCPU); in irq_percpu_is_enabled()
2427 if (!desc) in irq_percpu_is_enabled()
2430 is_enabled = cpumask_test_cpu(cpu, desc->percpu_enabled); in irq_percpu_is_enabled()
2431 irq_put_desc_unlock(desc, flags); in irq_percpu_is_enabled()
2441 struct irq_desc *desc = irq_get_desc_lock(irq, &flags, IRQ_GET_DESC_CHECK_PERCPU); in disable_percpu_irq() local
2443 if (!desc) in disable_percpu_irq()
2446 irq_percpu_disable(desc, cpu); in disable_percpu_irq()
2447 irq_put_desc_unlock(desc, flags); in disable_percpu_irq()
2461 struct irq_desc *desc = irq_to_desc(irq); in __free_percpu_irq() local
2467 if (!desc) in __free_percpu_irq()
2470 raw_spin_lock_irqsave(&desc->lock, flags); in __free_percpu_irq()
2472 action = desc->action; in __free_percpu_irq()
2478 if (!cpumask_empty(desc->percpu_enabled)) { in __free_percpu_irq()
2480 irq, cpumask_first(desc->percpu_enabled)); in __free_percpu_irq()
2485 desc->action = NULL; in __free_percpu_irq()
2487 desc->istate &= ~IRQS_NMI; in __free_percpu_irq()
2489 raw_spin_unlock_irqrestore(&desc->lock, flags); in __free_percpu_irq()
2493 irq_chip_pm_put(&desc->irq_data); in __free_percpu_irq()
2494 module_put(desc->owner); in __free_percpu_irq()
2498 raw_spin_unlock_irqrestore(&desc->lock, flags); in __free_percpu_irq()
2511 struct irq_desc *desc = irq_to_desc(irq); in remove_percpu_irq() local
2513 if (desc && irq_settings_is_per_cpu_devid(desc)) in remove_percpu_irq()
2531 struct irq_desc *desc = irq_to_desc(irq); in free_percpu_irq() local
2533 if (!desc || !irq_settings_is_per_cpu_devid(desc)) in free_percpu_irq()
2536 chip_bus_lock(desc); in free_percpu_irq()
2538 chip_bus_sync_unlock(desc); in free_percpu_irq()
2544 struct irq_desc *desc = irq_to_desc(irq); in free_percpu_nmi() local
2546 if (!desc || !irq_settings_is_per_cpu_devid(desc)) in free_percpu_nmi()
2549 if (WARN_ON(!(desc->istate & IRQS_NMI))) in free_percpu_nmi()
2564 struct irq_desc *desc = irq_to_desc(irq); in setup_percpu_irq() local
2567 if (!desc || !irq_settings_is_per_cpu_devid(desc)) in setup_percpu_irq()
2570 retval = irq_chip_pm_get(&desc->irq_data); in setup_percpu_irq()
2574 retval = __setup_irq(irq, desc, act); in setup_percpu_irq()
2577 irq_chip_pm_put(&desc->irq_data); in setup_percpu_irq()
2604 struct irq_desc *desc; in __request_percpu_irq() local
2610 desc = irq_to_desc(irq); in __request_percpu_irq()
2611 if (!desc || !irq_settings_can_request(desc) || in __request_percpu_irq()
2612 !irq_settings_is_per_cpu_devid(desc)) in __request_percpu_irq()
2627 retval = irq_chip_pm_get(&desc->irq_data); in __request_percpu_irq()
2633 retval = __setup_irq(irq, desc, action); in __request_percpu_irq()
2636 irq_chip_pm_put(&desc->irq_data); in __request_percpu_irq()
2669 struct irq_desc *desc; in request_percpu_nmi() local
2676 desc = irq_to_desc(irq); in request_percpu_nmi()
2678 if (!desc || !irq_settings_can_request(desc) || in request_percpu_nmi()
2679 !irq_settings_is_per_cpu_devid(desc) || in request_percpu_nmi()
2680 irq_settings_can_autoenable(desc) || in request_percpu_nmi()
2681 !irq_supports_nmi(desc)) in request_percpu_nmi()
2685 if (desc->istate & IRQS_NMI) in request_percpu_nmi()
2698 retval = irq_chip_pm_get(&desc->irq_data); in request_percpu_nmi()
2702 retval = __setup_irq(irq, desc, action); in request_percpu_nmi()
2706 raw_spin_lock_irqsave(&desc->lock, flags); in request_percpu_nmi()
2707 desc->istate |= IRQS_NMI; in request_percpu_nmi()
2708 raw_spin_unlock_irqrestore(&desc->lock, flags); in request_percpu_nmi()
2713 irq_chip_pm_put(&desc->irq_data); in request_percpu_nmi()
2736 struct irq_desc *desc; in prepare_percpu_nmi() local
2741 desc = irq_get_desc_lock(irq, &flags, in prepare_percpu_nmi()
2743 if (!desc) in prepare_percpu_nmi()
2746 if (WARN(!(desc->istate & IRQS_NMI), in prepare_percpu_nmi()
2753 ret = irq_nmi_setup(desc); in prepare_percpu_nmi()
2760 irq_put_desc_unlock(desc, flags); in prepare_percpu_nmi()
2779 struct irq_desc *desc; in teardown_percpu_nmi() local
2783 desc = irq_get_desc_lock(irq, &flags, in teardown_percpu_nmi()
2785 if (!desc) in teardown_percpu_nmi()
2788 if (WARN_ON(!(desc->istate & IRQS_NMI))) in teardown_percpu_nmi()
2791 irq_nmi_teardown(desc); in teardown_percpu_nmi()
2793 irq_put_desc_unlock(desc, flags); in teardown_percpu_nmi()
2836 struct irq_desc *desc; in irq_get_irqchip_state() local
2841 desc = irq_get_desc_buslock(irq, &flags, 0); in irq_get_irqchip_state()
2842 if (!desc) in irq_get_irqchip_state()
2845 data = irq_desc_get_irq_data(desc); in irq_get_irqchip_state()
2849 irq_put_desc_busunlock(desc, flags); in irq_get_irqchip_state()
2869 struct irq_desc *desc; in irq_set_irqchip_state() local
2875 desc = irq_get_desc_buslock(irq, &flags, 0); in irq_set_irqchip_state()
2876 if (!desc) in irq_set_irqchip_state()
2879 data = irq_desc_get_irq_data(desc); in irq_set_irqchip_state()
2900 irq_put_desc_busunlock(desc, flags); in irq_set_irqchip_state()
2931 struct irq_desc *desc; in irq_check_status_bit() local
2935 desc = irq_to_desc(irq); in irq_check_status_bit()
2936 if (desc) in irq_check_status_bit()
2937 res = !!(desc->status_use_accessors & bitmask); in irq_check_status_bit()