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[POWERPC] Use the genirq framework

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This adapts the generic powerpc interrupt handling code, and all of
the platforms except for the embedded 6xx machines, to use the new
genirq framework.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Benjamin Herrenschmidt
2006-07-03 19:32:51 +10:00
committed by Paul Mackerras
parent 5a43a066b1
commit b9e5b4e6a9
17 changed files with 692 additions and 635 deletions
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17
arch/powerpc/platforms/chrp/setup.c
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@@ -315,6 +315,21 @@ chrp_event_scan(unsigned long unused)
jiffies + event_scan_interval);
}
void chrp_8259_cascade(unsigned int irq, struct irq_desc *desc,
struct pt_regs *regs)
{
unsigned int max = 100;
while(max--) {
int irq = i8259_irq(regs);
if (max == 99)
desc->chip->eoi(irq);
if (irq < 0)
break;
generic_handle_irq(irq, regs);
};
}
/*
* Finds the open-pic node and sets up the mpic driver.
*/
@@ -402,7 +417,7 @@ static void __init chrp_find_openpic(void)
}
mpic_init(chrp_mpic);
mpic_setup_cascade(NUM_ISA_INTERRUPTS, i8259_irq_cascade, NULL);
set_irq_chained_handler(NUM_ISA_INTERRUPTS, chrp_8259_cascade);
}
#if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(XMON)