diff options
Diffstat (limited to 'arch/powerpc/sysdev/ipic.c')
| -rw-r--r-- | arch/powerpc/sysdev/ipic.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c index 9a89cd3e80a2..a86d3ce01ead 100644 --- a/arch/powerpc/sysdev/ipic.c +++ b/arch/powerpc/sysdev/ipic.c @@ -568,8 +568,7 @@ static void ipic_ack_irq(unsigned int virq) spin_lock_irqsave(&ipic_lock, flags); - temp = ipic_read(ipic->regs, ipic_info[src].ack); - temp |= (1 << (31 - ipic_info[src].bit)); + temp = 1 << (31 - ipic_info[src].bit); ipic_write(ipic->regs, ipic_info[src].ack, temp); /* mb() can't guarantee that ack is finished. But it does finish @@ -592,8 +591,7 @@ static void ipic_mask_irq_and_ack(unsigned int virq) temp &= ~(1 << (31 - ipic_info[src].bit)); ipic_write(ipic->regs, ipic_info[src].mask, temp); - temp = ipic_read(ipic->regs, ipic_info[src].ack); - temp |= (1 << (31 - ipic_info[src].bit)); + temp = 1 << (31 - ipic_info[src].bit); ipic_write(ipic->regs, ipic_info[src].ack, temp); /* mb() can't guarantee that ack is finished. But it does finish |