[ARM] pxa: use chip->ack() instead of accessing GEDR directly

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c
index 1373c22dbb83..c87abc3334cb 100644
--- a/arch/arm/mach-pxa/lpd270.c
+++ b/arch/arm/mach-pxa/lpd270.c
@@ -121,7 +121,7 @@ static void lpd270_irq_handler(unsigned int irq, struct irq_desc *desc)
 
         pending = __raw_readw(LPD270_INT_STATUS) & lpd270_irq_enabled;
         do {
-                GEDR(0) = GPIO_bit(0);  /* clear useless edge notification */
+                desc->chip->ack(irq);   /* clear useless edge notification */
                 if (likely(pending)) {
                         irq = LPD270_IRQ(0) + __ffs(pending);
                         generic_handle_irq(irq);