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yaml
---
r: 234711
b: refs/heads/master
c: 3aae994
h: refs/heads/master
i:
  234709: 0dc297c
  234707: c0663f4
  234703: 5e6c294
v: v3
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Thomas Gleixner committed Feb 19, 2011
1 parent 1ff7f3a commit d8f5037
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Showing 5 changed files with 15 additions and 17 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 50f7c0327513d5acefbe26fd33498af18d1ffac5
refs/heads/master: 3aae994fb0f43f6d94a31c33536a83869504abdf
14 changes: 10 additions & 4 deletions trunk/kernel/irq/chip.c
Original file line number Diff line number Diff line change
Expand Up @@ -194,30 +194,35 @@ EXPORT_SYMBOL_GPL(set_irq_nested_thread);

int irq_startup(struct irq_desc *desc)
{
desc->status &= ~(IRQ_MASKED | IRQ_DISABLED);
desc->status &= ~IRQ_DISABLED;
desc->depth = 0;

if (desc->irq_data.chip->irq_startup)
return desc->irq_data.chip->irq_startup(&desc->irq_data);
if (desc->irq_data.chip->irq_startup) {
int ret = desc->irq_data.chip->irq_startup(&desc->irq_data);
desc->status &= ~IRQ_MASKED;
return ret;
}

irq_enable(desc);
return 0;
}

void irq_shutdown(struct irq_desc *desc)
{
desc->status |= IRQ_MASKED | IRQ_DISABLED;
desc->status |= IRQ_DISABLED;
desc->depth = 1;
if (desc->irq_data.chip->irq_shutdown)
desc->irq_data.chip->irq_shutdown(&desc->irq_data);
if (desc->irq_data.chip->irq_disable)
desc->irq_data.chip->irq_disable(&desc->irq_data);
else
desc->irq_data.chip->irq_mask(&desc->irq_data);
desc->status |= IRQ_MASKED;
}

void irq_enable(struct irq_desc *desc)
{
desc->status &= ~IRQ_DISABLED;
if (desc->irq_data.chip->irq_enable)
desc->irq_data.chip->irq_enable(&desc->irq_data);
else
Expand All @@ -227,6 +232,7 @@ void irq_enable(struct irq_desc *desc)

void irq_disable(struct irq_desc *desc)
{
desc->status |= IRQ_DISABLED;
if (desc->irq_data.chip->irq_disable) {
desc->irq_data.chip->irq_disable(&desc->irq_data);
desc->status |= IRQ_MASKED;
Expand Down
9 changes: 3 additions & 6 deletions trunk/kernel/irq/manage.c
Original file line number Diff line number Diff line change
Expand Up @@ -329,10 +329,8 @@ void __disable_irq(struct irq_desc *desc, unsigned int irq, bool suspend)
desc->status |= IRQ_SUSPENDED;
}

if (!desc->depth++) {
desc->status |= IRQ_DISABLED;
if (!desc->depth++)
irq_disable(desc);
}
}

/**
Expand Down Expand Up @@ -407,12 +405,11 @@ void __enable_irq(struct irq_desc *desc, unsigned int irq, bool resume)
WARN(1, KERN_WARNING "Unbalanced enable for IRQ %d\n", irq);
break;
case 1: {
unsigned int status = desc->status & ~IRQ_DISABLED;

if (desc->status & IRQ_SUSPENDED)
goto err_out;
/* Prevent probing on this irq: */
desc->status = status | IRQ_NOPROBE;
desc->status |= IRQ_NOPROBE;
irq_enable(desc);
check_irq_resend(desc, irq);
/* fall-through */
}
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5 changes: 0 additions & 5 deletions trunk/kernel/irq/resend.c
Original file line number Diff line number Diff line change
Expand Up @@ -55,11 +55,6 @@ static DECLARE_TASKLET(resend_tasklet, resend_irqs, 0);
*/
void check_irq_resend(struct irq_desc *desc, unsigned int irq)
{
/*
* Make sure the interrupt is enabled, before resending it:
*/
irq_enable(desc);

/*
* We do not resend level type interrupts. Level type
* interrupts are resent by hardware when they are still
Expand Down
2 changes: 1 addition & 1 deletion trunk/kernel/irq/spurious.c
Original file line number Diff line number Diff line change
Expand Up @@ -301,7 +301,7 @@ 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_DISABLED | IRQ_SPURIOUS_DISABLED;
desc->status |= IRQ_SPURIOUS_DISABLED;
desc->depth++;
irq_disable(desc);

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