diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/Kconfig | 4 | ||||
| -rw-r--r-- | kernel/irq/chip.c | 154 | ||||
| -rw-r--r-- | kernel/irq/debug.h | 10 | ||||
| -rw-r--r-- | kernel/irq/handle.c | 16 | ||||
| -rw-r--r-- | kernel/irq/internals.h | 6 | ||||
| -rw-r--r-- | kernel/irq/irqdesc.c | 3 | ||||
| -rw-r--r-- | kernel/irq/manage.c | 92 | ||||
| -rw-r--r-- | kernel/irq/migration.c | 5 | ||||
| -rw-r--r-- | kernel/irq/spurious.c | 10 |
9 files changed, 205 insertions, 95 deletions
diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig index 00f2c03..72606ba 100644 --- a/kernel/irq/Kconfig +++ b/kernel/irq/Kconfig @@ -51,6 +51,10 @@ config HARDIRQS_SW_RESEND config IRQ_PREFLOW_FASTEOI bool +# Edge style eoi based handler (cell) +config IRQ_EDGE_EOI_HANDLER + bool + # Support forced irq threading config IRQ_FORCED_THREADING bool diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index c9c0601..03099d5 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -37,6 +37,12 @@ int irq_set_chip(unsigned int irq, struct irq_chip *chip) irq_chip_set_defaults(chip); desc->irq_data.chip = chip; irq_put_desc_unlock(desc, flags); + /* + * For !CONFIG_SPARSE_IRQ make the irq show up in + * allocated_irqs. For the CONFIG_SPARSE_IRQ case, it is + * already marked, and this call is harmless. + */ + irq_reserve_irq(irq); return 0; } EXPORT_SYMBOL(irq_set_chip); @@ -134,25 +140,25 @@ EXPORT_SYMBOL_GPL(irq_get_irq_data); static void irq_state_clr_disabled(struct irq_desc *desc) { - desc->istate &= ~IRQS_DISABLED; + irqd_clear(&desc->irq_data, IRQD_IRQ_DISABLED); irq_compat_clr_disabled(desc); } static void irq_state_set_disabled(struct irq_desc *desc) { - desc->istate |= IRQS_DISABLED; + irqd_set(&desc->irq_data, IRQD_IRQ_DISABLED); irq_compat_set_disabled(desc); } static void irq_state_clr_masked(struct irq_desc *desc) { - desc->istate &= ~IRQS_MASKED; + irqd_clear(&desc->irq_data, IRQD_IRQ_MASKED); irq_compat_clr_masked(desc); } static void irq_state_set_masked(struct irq_desc *desc) { - desc->istate |= IRQS_MASKED; + irqd_set(&desc->irq_data, IRQD_IRQ_MASKED); irq_compat_set_masked(desc); } @@ -372,11 +378,11 @@ void handle_nested_irq(unsigned int irq) kstat_incr_irqs_this_cpu(irq, desc); action = desc->action; - if (unlikely(!action || (desc->istate & IRQS_DISABLED))) + if (unlikely(!action || irqd_irq_disabled(&desc->irq_data))) goto out_unlock; irq_compat_set_progress(desc); - desc->istate |= IRQS_INPROGRESS; + irqd_set(&desc->irq_data, IRQD_IRQ_INPROGRESS); raw_spin_unlock_irq(&desc->lock); action_ret = action->thread_fn(action->irq, action->dev_id); @@ -384,7 +390,7 @@ void handle_nested_irq(unsigned int irq) note_interrupt(irq, desc, action_ret); raw_spin_lock_irq(&desc->lock); - desc->istate &= ~IRQS_INPROGRESS; + irqd_clear(&desc->irq_data, IRQD_IRQ_INPROGRESS); irq_compat_clr_progress(desc); out_unlock: @@ -416,14 +422,14 @@ handle_simple_irq(unsigned int irq, struct irq_desc *desc) { raw_spin_lock(&desc->lock); - if (unlikely(desc->istate & IRQS_INPROGRESS)) + if (unlikely(irqd_irq_inprogress(&desc->irq_data))) if (!irq_check_poll(desc)) goto out_unlock; desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING); kstat_incr_irqs_this_cpu(irq, desc); - if (unlikely(!desc->action || (desc->istate & IRQS_DISABLED))) + if (unlikely(!desc->action || irqd_irq_disabled(&desc->irq_data))) goto out_unlock; handle_irq_event(desc); @@ -448,7 +454,7 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc) raw_spin_lock(&desc->lock); mask_ack_irq(desc); - if (unlikely(desc->istate & IRQS_INPROGRESS)) + if (unlikely(irqd_irq_inprogress(&desc->irq_data))) if (!irq_check_poll(desc)) goto out_unlock; @@ -459,12 +465,12 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc) * If its disabled or no action available * keep it masked and get out of here */ - if (unlikely(!desc->action || (desc->istate & IRQS_DISABLED))) + if (unlikely(!desc->action || irqd_irq_disabled(&desc->irq_data))) goto out_unlock; handle_irq_event(desc); - if (!(desc->istate & (IRQS_DISABLED | IRQS_ONESHOT))) + if (!irqd_irq_disabled(&desc->irq_data) && !(desc->istate & IRQS_ONESHOT)) unmask_irq(desc); out_unlock: raw_spin_unlock(&desc->lock); @@ -496,7 +502,7 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc) { raw_spin_lock(&desc->lock); - if (unlikely(desc->istate & IRQS_INPROGRESS)) + if (unlikely(irqd_irq_inprogress(&desc->irq_data))) if (!irq_check_poll(desc)) goto out; @@ -507,7 +513,7 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc) * If its disabled or no action available * then mask it and get out of here: */ - if (unlikely(!desc->action || (desc->istate & IRQS_DISABLED))) { + if (unlikely(!desc->action || irqd_irq_disabled(&desc->irq_data))) { irq_compat_set_pending(desc); desc->istate |= IRQS_PENDING; mask_irq(desc); @@ -558,8 +564,8 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc) * we shouldn't process the IRQ. Mark it pending, handle * the necessary masking and go out */ - if (unlikely((desc->istate & (IRQS_DISABLED | IRQS_INPROGRESS) || - !desc->action))) { + if (unlikely(irqd_irq_disabled(&desc->irq_data) || + irqd_irq_inprogress(&desc->irq_data) || !desc->action)) { if (!irq_check_poll(desc)) { irq_compat_set_pending(desc); desc->istate |= IRQS_PENDING; @@ -584,20 +590,65 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc) * Renable it, if it was not disabled in meantime. */ if (unlikely(desc->istate & IRQS_PENDING)) { - if (!(desc->istate & IRQS_DISABLED) && - (desc->istate & IRQS_MASKED)) + if (!irqd_irq_disabled(&desc->irq_data) && + irqd_irq_masked(&desc->irq_data)) unmask_irq(desc); } handle_irq_event(desc); } while ((desc->istate & IRQS_PENDING) && - !(desc->istate & IRQS_DISABLED)); + !irqd_irq_disabled(&desc->irq_data)); out_unlock: raw_spin_unlock(&desc->lock); } +#ifdef CONFIG_IRQ_EDGE_EOI_HANDLER +/** + * handle_edge_eoi_irq - edge eoi type IRQ handler + * @irq: the interrupt number + * @desc: the interrupt description structure for this irq + * + * Similar as the above handle_edge_irq, but using eoi and w/o the + * mask/unmask logic. + */ +void handle_edge_eoi_irq(unsigned int irq, struct irq_desc *desc) +{ + struct irq_chip *chip = irq_desc_get_chip(desc); + + raw_spin_lock(&desc->lock); + + desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING); + /* + * If we're currently running this IRQ, or its disabled, + * we shouldn't process the IRQ. Mark it pending, handle + * the necessary masking and go out + */ + if (unlikely(irqd_irq_disabled(&desc->irq_data) || + irqd_irq_inprogress(&desc->irq_data) || !desc->action)) { + if (!irq_check_poll(desc)) { + desc->istate |= IRQS_PENDING; + goto out_eoi; + } + } + kstat_incr_irqs_this_cpu(irq, desc); + + do { + if (unlikely(!desc->action)) + goto out_eoi; + + handle_irq_event(desc); + + } while ((desc->istate & IRQS_PENDING) && + !irqd_irq_disabled(&desc->irq_data)); + +out_unlock: + chip->irq_eoi(&desc->irq_data); + raw_spin_unlock(&desc->lock); +} +#endif + /** * handle_percpu_irq - Per CPU local irq handler * @irq: the interrupt number @@ -642,8 +693,7 @@ __irq_set_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, if (handle == handle_bad_irq) { if (desc->irq_data.chip != &no_irq_chip) mask_ack_irq(desc); - irq_compat_set_disabled(desc); - desc->istate |= IRQS_DISABLED; + irq_state_set_disabled(desc); desc->depth = 1; } desc->handle_irq = handle; @@ -684,8 +734,70 @@ void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set) irqd_set(&desc->irq_data, IRQD_PER_CPU); if (irq_settings_can_move_pcntxt(desc)) irqd_set(&desc->irq_data, IRQD_MOVE_PCNTXT); + if (irq_settings_is_level(desc)) + irqd_set(&desc->irq_data, IRQD_LEVEL); irqd_set(&desc->irq_data, irq_settings_get_trigger_mask(desc)); irq_put_desc_unlock(desc, flags); } + +/** + * irq_cpu_online - Invoke all irq_cpu_online functions. + * + * Iterate through all irqs and invoke the chip.irq_cpu_online() + * for each. + */ +void irq_cpu_online(void) +{ + struct irq_desc *desc; + struct irq_chip *chip; + unsigned long flags; + unsigned int irq; + + for_each_active_irq(irq) { + desc = irq_to_desc(irq); + if (!desc) + continue; + + raw_spin_lock_irqsave(&desc->lock, flags); + + chip = irq_data_get_irq_chip(&desc->irq_data); + if (chip && chip->irq_cpu_online && + (!(chip->flags & IRQCHIP_ONOFFLINE_ENABLED) || + !irqd_irq_disabled(&desc->irq_data))) + chip->irq_cpu_online(&desc->irq_data); + + raw_spin_unlock_irqrestore(&desc->lock, flags); + } +} + +/** + * irq_cpu_offline - Invoke all irq_cpu_offline functions. + * + * Iterate through all irqs and invoke the chip.irq_cpu_offline() + * for each. + */ +void irq_cpu_offline(void) +{ + struct irq_desc *desc; + struct irq_chip *chip; + unsigned long flags; + unsigned int irq; + + for_each_active_irq(irq) { + desc = irq_to_desc(irq); + if (!desc) + continue; + + raw_spin_lock_irqsave(&desc->lock, flags); + + chip = irq_data_get_irq_chip(&desc->irq_data); + if (chip && chip->irq_cpu_offline && + (!(chip->flags & IRQCHIP_ONOFFLINE_ENABLED) || + !irqd_irq_disabled(&desc->irq_data))) + chip->irq_cpu_offline(&desc->irq_data); + + raw_spin_unlock_irqrestore(&desc->lock, flags); + } +} diff --git a/kernel/irq/debug.h b/kernel/irq/debug.h index d1a33b7..a0bd875 100644 --- a/kernel/irq/debug.h +++ b/kernel/irq/debug.h @@ -6,6 +6,8 @@ #define P(f) if (desc->status & f) printk("%14s set\n", #f) #define PS(f) if (desc->istate & f) printk("%14s set\n", #f) +/* FIXME */ +#define PD(f) do { } while (0) static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc) { @@ -28,13 +30,15 @@ static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc) P(IRQ_NOAUTOEN); PS(IRQS_AUTODETECT); - PS(IRQS_INPROGRESS); PS(IRQS_REPLAY); PS(IRQS_WAITING); - PS(IRQS_DISABLED); PS(IRQS_PENDING); - PS(IRQS_MASKED); + + PD(IRQS_INPROGRESS); + PD(IRQS_DISABLED); + PD(IRQS_MASKED); } #undef P #undef PS +#undef PD diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 517561f..1a2fb77 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -178,25 +178,13 @@ irqreturn_t handle_irq_event(struct irq_desc *desc) irq_compat_clr_pending(desc); desc->istate &= ~IRQS_PENDING; irq_compat_set_progress(desc); - desc->istate |= IRQS_INPROGRESS; + irqd_set(&desc->irq_data, IRQD_IRQ_INPROGRESS); raw_spin_unlock(&desc->lock); ret = handle_irq_event_percpu(desc, action); raw_spin_lock(&desc->lock); - desc->istate &= ~IRQS_INPROGRESS; + irqd_clear(&desc->irq_data, IRQD_IRQ_INPROGRESS); irq_compat_clr_progress(desc); return ret; } - -/** - * handle_IRQ_event - irq action chain handler - * @irq: the interrupt number - * @action: the interrupt action chain for this irq - * - * Handles the action chain of an irq event - */ -irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action) -{ - return handle_irq_event_percpu(irq_to_desc(irq), action); -} diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index 6c6ec9a..6b8b971 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -44,26 +44,20 @@ enum { * IRQS_SPURIOUS_DISABLED - was disabled due to spurious interrupt * detection * IRQS_POLL_INPROGRESS - polling in progress - * IRQS_INPROGRESS - Interrupt in progress * IRQS_ONESHOT - irq is not unmasked in primary handler * IRQS_REPLAY - irq is replayed * IRQS_WAITING - irq is waiting - * IRQS_DISABLED - irq is disabled * IRQS_PENDING - irq is pending and replayed later - * IRQS_MASKED - irq is masked * IRQS_SUSPENDED - irq is suspended */ enum { IRQS_AUTODETECT = 0x00000001, IRQS_SPURIOUS_DISABLED = 0x00000002, IRQS_POLL_INPROGRESS = 0x00000008, - IRQS_INPROGRESS = 0x00000010, IRQS_ONESHOT = 0x00000020, IRQS_REPLAY = 0x00000040, IRQS_WAITING = 0x00000080, - IRQS_DISABLED = 0x00000100, IRQS_PENDING = 0x00000200, - IRQS_MASKED = 0x00000400, IRQS_SUSPENDED = 0x00000800, }; diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 6fb014f..2c039c9 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -80,7 +80,7 @@ static void desc_set_defaults(unsigned int irq, struct irq_desc *desc, int node) desc->irq_data.handler_data = NULL; desc->irq_data.msi_desc = NULL; irq_settings_clr_and_set(desc, ~0, _IRQ_DEFAULT_INIT_FLAGS); - desc->istate = IRQS_DISABLED; + irqd_set(&desc->irq_data, IRQD_IRQ_DISABLED); desc->handle_irq = handle_bad_irq; desc->depth = 1; desc->irq_count = 0; @@ -238,7 +238,6 @@ int __init early_irq_init(void) struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = { [0 ... NR_IRQS-1] = { - .istate = IRQS_DISABLED, .handle_irq = handle_bad_irq, .depth = 1, .lock = __RAW_SPIN_LOCK_UNLOCKED(irq_desc->lock), diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 0a2aa73..acf5407 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -41,7 +41,7 @@ early_param("threadirqs", setup_forced_irqthreads); void synchronize_irq(unsigned int irq) { struct irq_desc *desc = irq_to_desc(irq); - unsigned int state; + bool inprogress; if (!desc) return; @@ -53,16 +53,16 @@ void synchronize_irq(unsigned int irq) * Wait until we're out of the critical section. This might * give the wrong answer due to the lack of memory barriers. */ - while (desc->istate & IRQS_INPROGRESS) + while (irqd_irq_inprogress(&desc->irq_data)) cpu_relax(); /* Ok, that indicated we're done: double-check carefully. */ raw_spin_lock_irqsave(&desc->lock, flags); - state = desc->istate; + inprogress = irqd_irq_inprogress(&desc->irq_data); raw_spin_unlock_irqrestore(&desc->lock, flags); /* Oops, that failed? */ - } while (state & IRQS_INPROGRESS); + } while (inprogress); /* * We made sure that no hardirq handler is running. Now verify @@ -112,13 +112,13 @@ void irq_set_thread_affinity(struct irq_desc *desc) } #ifdef CONFIG_GENERIC_PENDING_IRQ -static inline bool irq_can_move_pcntxt(struct irq_desc *desc) +static inline bool irq_can_move_pcntxt(struct irq_data *data) { - return irq_settings_can_move_pcntxt(desc); + return irqd_can_move_in_process_context(data); } -static inline bool irq_move_pending(struct irq_desc *desc) +static inline bool irq_move_pending(struct irq_data *data) { - return irqd_is_setaffinity_pending(&desc->irq_data); + return irqd_is_setaffinity_pending(data); } static inline void irq_copy_pending(struct irq_desc *desc, const struct cpumask *mask) @@ -131,43 +131,34 @@ irq_get_pending(struct cpumask *mask, struct irq_desc *desc) cpumask_copy(mask, desc->pending_mask); } #else -static inline bool irq_can_move_pcntxt(struct irq_desc *desc) { return true; } -static inline bool irq_move_pending(struct irq_desc *desc) { return false; } +static inline bool irq_can_move_pcntxt(struct irq_data *data) { return true; } +static inline bool irq_move_pending(struct irq_desc *data) { return false; } static inline void irq_copy_pending(struct irq_desc *desc, const struct cpumask *mask) { } static inline void irq_get_pending(struct cpumask *mask, struct irq_desc *desc) { } #endif -/** - * irq_set_affinity - Set the irq affinity of a given irq - * @irq: Interrupt to set affinity - * @cpumask: cpumask - * - */ -int irq_set_affinity(unsigned int irq, const struct cpumask *mask) +int __irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask) { - struct irq_desc *desc = irq_to_desc(irq); - struct irq_chip *chip = desc->irq_data.chip; - unsigned long flags; + struct irq_chip *chip = irq_data_get_irq_chip(data); + struct irq_desc *desc = irq_data_to_desc(data); int ret = 0; - if (!chip->irq_set_affinity) + if (!chip || !chip->irq_set_affinity) return -EINVAL; - raw_spin_lock_irqsave(&desc->lock, flags); - - if (irq_can_move_pcntxt(desc)) { - ret = chip->irq_set_affinity(&desc->irq_data, mask, false); + if (irq_can_move_pcntxt(data)) { + ret = chip->irq_set_affinity(data, mask, false); switch (ret) { case IRQ_SET_MASK_OK: - cpumask_copy(desc->irq_data.affinity, mask); + cpumask_copy(data->affinity, mask); case IRQ_SET_MASK_OK_NOCOPY: irq_set_thread_affinity(desc); ret = 0; } } else { - irqd_set_move_pending(&desc->irq_data); + irqd_set_move_pending(data); irq_copy_pending(desc, mask); } @@ -176,7 +167,28 @@ int irq_set_affinity(unsigned int irq, const struct cpumask *mask) schedule_work(&desc->affinity_notify->work); } irq_compat_set_affinity(desc); - irqd_set(&desc->irq_data, IRQD_AFFINITY_SET); + irqd_set(data, IRQD_AFFINITY_SET); + + return ret; +} + +/** + * irq_set_affinity - Set the irq affinity of a given irq + * @irq: Interrupt to set affinity + * @mask: cpumask + * + */ +int irq_set_affinity(unsigned int irq, const struct cpumask *mask) +{ + struct irq_desc *desc = irq_to_desc(irq); + unsigned long flags; + int ret; + + if (!desc) + return -EINVAL; + + raw_spin_lock_irqsave(&desc->lock, flags); + ret = __irq_set_affinity_locked(irq_desc_get_irq_data(desc), mask); raw_spin_unlock_irqrestore(&desc->lock, flags); return ret; } @@ -206,7 +218,7 @@ static void irq_affinity_notify(struct work_struct *work) goto out; raw_spin_lock_irqsave(&desc->lock, flags); - if (irq_move_pending(desc)) + if (irq_move_pending(&desc->irq_data)) irq_get_pending(cpumask, desc); else cpumask_copy(cpumask, desc->irq_data.affinity); @@ -551,9 +563,9 @@ int __irq_set_trigger(struct irq_desc *desc, unsigned int irq, flags &= IRQ_TYPE_SENSE_MASK; if (chip->flags & IRQCHIP_SET_TYPE_MASKED) { - if (!(desc->istate & IRQS_MASKED)) + if (!irqd_irq_masked(&desc->irq_data)) mask_irq(desc); - if (!(desc->istate & IRQS_DISABLED)) + if (!irqd_irq_disabled(&desc->irq_data)) unmask = 1; } @@ -651,7 +663,7 @@ again: * irq_wake_thread(). See the comment there which explains the * serialization. */ - if (unlikely(desc->istate & IRQS_INPROGRESS)) { + if (unlikely(irqd_irq_inprogress(&desc->irq_data))) { raw_spin_unlock_irq(&desc->lock); chip_bus_sync_unlock(desc); cpu_relax(); @@ -668,12 +680,10 @@ again: desc->threads_oneshot &= ~action->thread_mask; - if (!desc->threads_oneshot && !(desc->istate & IRQS_DISABLED) && - (desc->istate & IRQS_MASKED)) { - irq_compat_clr_masked(desc); - desc->istate &= ~IRQS_MASKED; - desc->irq_data.chip->irq_unmask(&desc->irq_data); - } + if (!desc->threads_oneshot && !irqd_irq_disabled(&desc->irq_data) && + irqd_irq_masked(&desc->irq_data)) + unmask_irq(desc); + out_unlock: raw_spin_unlock_irq(&desc->lock); chip_bus_sync_unlock(desc); @@ -767,7 +777,7 @@ static int irq_thread(void *data) atomic_inc(&desc->threads_active); raw_spin_lock_irq(&desc->lock); - if (unlikely(desc->istate & IRQS_DISABLED)) { + if (unlikely(irqd_irq_disabled(&desc->irq_data))) { /* * CHECKME: We might need a dedicated * IRQ_THREAD_PENDING flag here, which @@ -985,8 +995,8 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) } desc->istate &= ~(IRQS_AUTODETECT | IRQS_SPURIOUS_DISABLED | \ - IRQS_INPROGRESS | IRQS_ONESHOT | \ - IRQS_WAITING); + IRQS_ONESHOT | IRQS_WAITING); + irqd_clear(&desc->irq_data, IRQD_IRQ_INPROGRESS); if (new->flags & IRQF_PERCPU) { irqd_set(&desc->irq_data, IRQD_PER_CPU); diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c index ec4806d..e33d9c8 100644 --- a/kernel/irq/migration.c +++ b/kernel/irq/migration.c @@ -60,13 +60,12 @@ void move_masked_irq(int irq) void irq_move_irq(struct irq_data *idata) { - struct irq_desc *desc = irq_data_to_desc(idata); bool masked; if (likely(!irqd_is_setaffinity_pending(idata))) return; - if (unlikely(desc->istate & IRQS_DISABLED)) + if (unlikely(irqd_irq_disabled(idata))) return; /* @@ -74,7 +73,7 @@ void irq_move_irq(struct irq_data *idata) * threaded interrupt with ONESHOT set, we can end up with an * interrupt storm. */ - masked = desc->istate & IRQS_MASKED; + masked = irqd_irq_masked(idata); if (!masked) idata->chip->irq_mask(idata); irq_move_masked_irq(idata); diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index dd586eb..83f4799 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -45,12 +45,12 @@ bool irq_wait_for_poll(struct irq_desc *desc) #ifdef CONFIG_SMP do { raw_spin_unlock(&desc->lock); - while (desc->istate & IRQS_INPROGRESS) + while (irqd_irq_inprogress(&desc->irq_data)) cpu_relax(); raw_spin_lock(&desc->lock); - } while (desc->istate & IRQS_INPROGRESS); + } while (irqd_irq_inprogress(&desc->irq_data)); /* Might have been disabled in meantime */ - return !(desc->istate & IRQS_DISABLED) && desc->action; + return !irqd_irq_disabled(&desc->irq_data) && desc->action; #else return false; #endif @@ -75,7 +75,7 @@ static int try_one_irq(int irq, struct irq_desc *desc, bool force) * Do not poll disabled interrupts unless the spurious * disabled poller asks explicitely. */ - if ((desc->istate & IRQS_DISABLED) && !force) + if (irqd_irq_disabled(&desc->irq_data) && !force) goto out; /* @@ -88,7 +88,7 @@ static int try_one_irq(int irq, struct irq_desc *desc, bool force) goto out; /* Already running on another processor */ - if (desc->istate & IRQS_INPROGRESS) { + if (irqd_irq_inprogress(&desc->irq_data)) { /* * Already running: If it is shared get the other * CPU to go looking for our mystery interrupt too |
