[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>
diff --git a/arch/powerpc/sysdev/i8259.c b/arch/powerpc/sysdev/i8259.c
index 1a3ef1a..c2e9465 100644
--- a/arch/powerpc/sysdev/i8259.c
+++ b/arch/powerpc/sysdev/i8259.c
@@ -69,11 +69,6 @@
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 @@
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 @@
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);