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Diffstat (limited to 'arch/m68k/mac/baboon.c')
-rw-r--r--arch/m68k/mac/baboon.c27
1 files changed, 8 insertions, 19 deletions
diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c
index c7ea6475ef9b..a7d280220662 100644
--- a/arch/m68k/mac/baboon.c
+++ b/arch/m68k/mac/baboon.c
@@ -18,10 +18,6 @@
int baboon_present;
static volatile struct baboon *baboon;
-#if 0
-extern int macide_ack_intr(struct ata_channel *);
-#endif
-
/*
* Baboon initialization.
*/
@@ -41,33 +37,26 @@ void __init baboon_init(void)
}
/*
- * Baboon interrupt handler. This works a lot like a VIA.
+ * Baboon interrupt handler.
+ * XXX how do you clear a pending IRQ? is it even necessary?
*/
static void baboon_irq(struct irq_desc *desc)
{
- int irq_bit, irq_num;
- unsigned char events;
+ short events, irq_bit;
+ int irq_num;
events = baboon->mb_ifr & 0x07;
- if (!events)
- return;
-
irq_num = IRQ_BABOON_0;
irq_bit = 1;
do {
- if (events & irq_bit) {
- baboon->mb_ifr &= ~irq_bit;
+ if (events & irq_bit) {
+ events &= ~irq_bit;
generic_handle_irq(irq_num);
}
+ ++irq_num;
irq_bit <<= 1;
- irq_num++;
- } while(events >= irq_bit);
-#if 0
- if (baboon->mb_ifr & 0x02) macide_ack_intr(NULL);
- /* for now we need to smash all interrupts */
- baboon->mb_ifr &= ~events;
-#endif
+ } while (events);
}
/*