diff options
Diffstat (limited to 'arch/mips/kernel/irq_txx9.c')
| -rw-r--r-- | arch/mips/kernel/irq_txx9.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/arch/mips/kernel/irq_txx9.c b/arch/mips/kernel/irq_txx9.c index 172e14b461d..a4d1462c27f 100644 --- a/arch/mips/kernel/irq_txx9.c +++ b/arch/mips/kernel/irq_txx9.c @@ -105,13 +105,9 @@ static void txx9_irq_mask_ack(unsigned int irq) unsigned int irq_nr = irq - TXX9_IRQ_BASE; txx9_irq_mask(irq); - if (TXx9_IRCR_EDGE(txx9irq[irq_nr].mode)) { - /* clear edge detection */ - u32 cr = __raw_readl(&txx9_ircptr->cr[irq_nr / 8]); - cr = (cr >> ((irq_nr & (8 - 1)) * 2)) & 3; - __raw_writel(TXx9_IRSCR_EIClrE | irq_nr, - &txx9_ircptr->scr); - } + /* clear edge detection */ + if (unlikely(TXx9_IRCR_EDGE(txx9irq[irq_nr].mode))) + __raw_writel(TXx9_IRSCR_EIClrE | irq_nr, &txx9_ircptr->scr); } static int txx9_irq_set_type(unsigned int irq, unsigned int flow_type) |