diff options
| author |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2006-07-03 19:32:51 +1000 |
|---|---|---|
| committer |   Paul Mackerras <paulus@samba.org> | 2006-07-03 19:55:12 +1000 |
| commit | b9e5b4e6a991a5a6d521f2e20a65835404b4169f (patch) | |
| tree | a0ac972faae4bf9133f576d842667bb134190341 /arch/powerpc/sysdev/i8259.c | |
| parent | [PATCH] genirq: Allow fasteoi handler to retrigger disabled interrupts (diff) | |
| download | linux-dev-b9e5b4e6a991a5a6d521f2e20a65835404b4169f.tar.xz linux-dev-b9e5b4e6a991a5a6d521f2e20a65835404b4169f.zip | |
[POWERPC] Use the genirq framework
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>
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/sysdev/i8259.c | 30 |
1 files changed, 10 insertions, 20 deletions
diff --git a/arch/powerpc/sysdev/i8259.c b/arch/powerpc/sysdev/i8259.c index 1a3ef1ab9d6e..c2e9465871aa 100644 --- a/arch/powerpc/sysdev/i8259.c +++ b/arch/powerpc/sysdev/i8259.c @@ -69,11 +69,6 @@ int i8259_irq(struct pt_regs *regs) return irq + i8259_pic_irq_offset; } -int i8259_irq_cascade(struct pt_regs *regs, void *unused) -{ - return i8259_irq(regs); -} - static void i8259_mask_and_ack_irq(unsigned int irq_nr) { unsigned long flags; @@ -129,19 +124,11 @@ static void i8259_unmask_irq(unsigned int irq_nr) spin_unlock_irqrestore(&i8259_lock, flags); } -static void i8259_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)) - && irq_desc[irq].action) - i8259_unmask_irq(irq); -} - -struct hw_interrupt_type i8259_pic = { - .typename = " i8259 ", - .enable = i8259_unmask_irq, - .disable = i8259_mask_irq, - .ack = i8259_mask_and_ack_irq, - .end = i8259_end_irq, +static struct irq_chip i8259_pic = { + .typename = " i8259 ", + .mask = i8259_mask_irq, + .unmask = i8259_unmask_irq, + .mask_ack = i8259_mask_and_ack_irq, }; static struct resource pic1_iores = { @@ -207,8 +194,11 @@ void __init i8259_init(unsigned long intack_addr, int offset) spin_unlock_irqrestore(&i8259_lock, flags); - for (i = 0; i < NUM_ISA_INTERRUPTS; ++i) - irq_desc[offset + i].chip = &i8259_pic; + for (i = 0; i < NUM_ISA_INTERRUPTS; ++i) { + set_irq_chip_and_handler(offset + i, &i8259_pic, + handle_level_irq); + irq_desc[offset + i].status |= IRQ_LEVEL; + } /* reserve our resources */ setup_irq(offset + 2, &i8259_irqaction); |