1 files changed, 1 insertions, 2 deletions

diff --git a/arch/ppc/syslib/m8xx_wdt.c b/arch/ppc/syslib/m8xx_wdt.c
index df6c9557b86a..ac11d7bab443 100644
--- a/arch/ppc/syslib/m8xx_wdt.c
+++ b/arch/ppc/syslib/m8xx_wdt.c
@@ -41,8 +41,7 @@ static irqreturn_t m8xx_wdt_interrupt(int irq, void *dev, struct pt_regs *regs)
 
         m8xx_wdt_reset();
 
-        out_be16(&imap->im_sit.sit_piscr, in_be16(&imap->im_sit.sit_piscr) | PISCR_PS); /* clear irq */
-
+        setbits16(&imap->im_sit.sit_piscr, PISCR_PS);
         return IRQ_HANDLED;
 }