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parisc: lay groundwork for killing __do_IRQ

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Use proper accessors and handlers for generic irq cleanups. We just
call back into __do_IRQ through desc->handler now, and remove the
explicit calls.

Signed-off-by: Kyle McMartin <[email protected]>
This commit is contained in:
Kyle McMartin 2010-10-13 21:00:55 -04:00
commit ba20085c20
7 changed files with 38 additions and 43 deletions
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3
arch/parisc/include/asm/irq.h
View file

@ -32,6 +32,9 @@ static __inline__ int irq_canonicalize(int irq)
}
struct irq_chip;
struct irq_desc;
extern void parisc_do_IRQ(unsigned int irq, struct irq_desc *desc);
/*
* Some useful "we don't have to do anything here" handlers. Should

26
arch/parisc/kernel/irq.c
View file

@ -151,7 +151,7 @@ static struct irq_chip cpu_interrupt_type = {
.enable = cpu_enable_irq,
.disable = cpu_disable_irq,
.ack = cpu_ack_irq,
.end = cpu_end_irq,
.eoi = cpu_end_irq,
#ifdef CONFIG_SMP
.set_affinity = cpu_set_affinity_irq,
#endif
@ -247,10 +247,11 @@ int cpu_claim_irq(unsigned int irq, struct irq_chip *type, void *data)
if (irq_desc[irq].chip != &cpu_interrupt_type)
return -EBUSY;
/* for iosapic interrupts */
if (type) {
irq_desc[irq].chip = type;
irq_desc[irq].chip_data = data;
cpu_interrupt_type.enable(irq);
set_irq_chip_and_handler(irq, type, parisc_do_IRQ);
set_irq_chip_data(irq, data);
cpu_enable_irq(irq);
}
return 0;
}
@ -368,7 +369,7 @@ void do_cpu_irq_mask(struct pt_regs *regs)
goto set_out;
}
#endif
__do_IRQ(irq);
generic_handle_irq(irq);
out:
irq_exit();
@ -398,14 +399,14 @@ static void claim_cpu_irqs(void)
{
int i;
for (i = CPU_IRQ_BASE; i <= CPU_IRQ_MAX; i++) {
irq_desc[i].chip = &cpu_interrupt_type;
set_irq_chip_and_handler(i, &cpu_interrupt_type, parisc_do_IRQ);
}
irq_desc[TIMER_IRQ].action = &timer_action;
irq_desc[TIMER_IRQ].status = IRQ_PER_CPU;
set_irq_handler(TIMER_IRQ, handle_percpu_irq);
setup_irq(TIMER_IRQ, &timer_action);
#ifdef CONFIG_SMP
irq_desc[IPI_IRQ].action = &ipi_action;
irq_desc[IPI_IRQ].status = IRQ_PER_CPU;
set_irq_handler(IPI_IRQ, handle_percpu_irq);
setup_irq(IPI_IRQ, &ipi_action);
#endif
}
@ -423,3 +424,8 @@ void __init init_IRQ(void)
set_eiem(cpu_eiem); /* EIEM : enable all external intr */
}
void parisc_do_IRQ(unsigned int irq, struct irq_desc *desc)
{
__do_IRQ(irq);
}