diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-02-07 19:40:54 (GMT) |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-02-19 11:58:15 (GMT) |
| commit | 7acdd53e5b2c55b6f7e3427e85e2f91fa814a4f9 (patch) | |
| tree | 4806536bae32605a3107d6c4384547693eda566c /kernel/irq | |
| parent | bd062e7667ac173afef57fbfe9327f3b914a9d4c (diff) | |
| download | linux-fsl-qoriq-7acdd53e5b2c55b6f7e3427e85e2f91fa814a4f9.tar.xz | |
genirq: Move IRQ_SPURIOUS_DISABLED to core state
No users outside.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/internals.h | 3 | ||||
| -rw-r--r-- | kernel/irq/manage.c | 9 | ||||
| -rw-r--r-- | kernel/irq/spurious.c | 8 |
3 files changed, 11 insertions, 9 deletions
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index 7ffd4f4..dc5e21b 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -37,9 +37,12 @@ enum { * Bit masks for desc->state * * IRQS_AUTODETECT - autodetection in progress + * IRQS_SPURIOUS_DISABLED - was disabled due to spurious interrupt + * detection */ enum { IRQS_AUTODETECT = 0x00000001, + IRQS_SPURIOUS_DISABLED = 0x00000002, }; #define irq_data_to_desc(data) container_of(data, struct irq_desc, irq_data) diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index abe852c..5b918ff 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -897,9 +897,8 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) desc->status |= IRQ_PER_CPU; #endif - desc->status &= ~(IRQ_WAITING | IRQ_ONESHOT | - IRQ_INPROGRESS | IRQ_SPURIOUS_DISABLED); - desc->istate &= ~IRQS_AUTODETECT; + desc->status &= ~(IRQ_WAITING | IRQ_ONESHOT | IRQ_INPROGRESS); + desc->istate &= ~(IRQS_AUTODETECT | IRQS_SPURIOUS_DISABLED); if (new->flags & IRQF_ONESHOT) desc->status |= IRQ_ONESHOT; @@ -937,8 +936,8 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) * Check whether we disabled the irq via the spurious handler * before. Reenable it and give it another chance. */ - if (shared && (desc->status & IRQ_SPURIOUS_DISABLED)) { - desc->status &= ~IRQ_SPURIOUS_DISABLED; + if (shared && (desc->istate & IRQS_SPURIOUS_DISABLED)) { + desc->istate &= ~IRQS_SPURIOUS_DISABLED; __enable_irq(desc, irq, false); } diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index bc06207..2941d8a 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -146,15 +146,15 @@ static void poll_spurious_irqs(unsigned long dummy) irq_poll_cpu = smp_processor_id(); for_each_irq_desc(i, desc) { - unsigned int status; + unsigned int state; if (!i) continue; /* Racy but it doesn't matter */ - status = desc->status; + state = desc->istate; barrier(); - if (!(status & IRQ_SPURIOUS_DISABLED)) + if (!(state & IRQS_SPURIOUS_DISABLED)) continue; local_irq_disable(); @@ -298,7 +298,7 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc, * Now kill the IRQ */ printk(KERN_EMERG "Disabling IRQ #%d\n", irq); - desc->status |= IRQ_SPURIOUS_DISABLED; + desc->istate |= IRQS_SPURIOUS_DISABLED; desc->depth++; irq_disable(desc); |