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Diffstat (limited to 'arch/m68k/mac/oss.c')
-rw-r--r--arch/m68k/mac/oss.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c
index 603d5cb72891..6399883ae742 100644
--- a/arch/m68k/mac/oss.c
+++ b/arch/m68k/mac/oss.c
@@ -143,14 +143,18 @@ irqreturn_t oss_nubus_irq(int irq, void *dev_id)
#endif
/* There are only six slots on the OSS, not seven */
- for (i = 0, irq_bit = 1 ; i < 6 ; i++, irq_bit <<= 1) {
+ i = 6;
+ irq_bit = 0x40;
+ do {
+ --i;
+ irq_bit >>= 1;
if (events & irq_bit) {
oss->irq_level[i] = OSS_IRQLEV_DISABLED;
oss->irq_pending &= ~irq_bit;
m68k_handle_int(NUBUS_SOURCE_BASE + i);
oss->irq_level[i] = OSS_IRQLEV_NUBUS;
}
- }
+ } while(events & (irq_bit - 1));
return IRQ_HANDLED;
}