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) | |||
| 568 | 568 | ||
| 569 | spin_lock_irqsave(&ipic_lock, flags); | 569 | spin_lock_irqsave(&ipic_lock, flags); |
| 570 | 570 | ||
| 571 | temp = ipic_read(ipic->regs, ipic_info[src].ack); | 571 | temp = 1 << (31 - ipic_info[src].bit); |
| 572 | temp |= (1 << (31 - ipic_info[src].bit)); | ||
| 573 | ipic_write(ipic->regs, ipic_info[src].ack, temp); | 572 | ipic_write(ipic->regs, ipic_info[src].ack, temp); |
| 574 | 573 | ||
| 575 | /* mb() can't guarantee that ack is finished. But it does finish | 574 | /* 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) | |||
| 592 | temp &= ~(1 << (31 - ipic_info[src].bit)); | 591 | temp &= ~(1 << (31 - ipic_info[src].bit)); |
| 593 | ipic_write(ipic->regs, ipic_info[src].mask, temp); | 592 | ipic_write(ipic->regs, ipic_info[src].mask, temp); |
| 594 | 593 | ||
| 595 | temp = ipic_read(ipic->regs, ipic_info[src].ack); | 594 | temp = 1 << (31 - ipic_info[src].bit); |
| 596 | temp |= (1 << (31 - ipic_info[src].bit)); | ||
| 597 | ipic_write(ipic->regs, ipic_info[src].ack, temp); | 595 | ipic_write(ipic->regs, ipic_info[src].ack, temp); |
| 598 | 596 | ||
| 599 | /* mb() can't guarantee that ack is finished. But it does finish | 597 | /* mb() can't guarantee that ack is finished. But it does finish |