diff options
Diffstat (limited to 'arch/m68k/mac/oss.c')
| -rw-r--r-- | arch/m68k/mac/oss.c | 8 |
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; } |