diff options
Diffstat (limited to 'kernel/irq/manage.c')
-rw-r--r-- | kernel/irq/manage.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 3d151fd762a..6e8acb75599 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 @@ -563,9 +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; } @@ -663,7 +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(); @@ -680,12 +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); @@ -779,7 +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 @@ -997,8 +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); |