m68k: Mac IRQ prep

[pandora-kernel.git] / arch / m68k / mac / oss.c

diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c
index 603d5cb..6399883 100644 (file)
--- 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;
 }