[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/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 98ee7e590299..d9982b16f8c0 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -158,7 +158,7 @@ static void lubbock_irq_handler(unsigned int irq, struct irq_desc *desc)
 {
         unsigned long pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
         do {
-                GEDR(0) = GPIO_bit(0);  /* clear our parent irq */
+                desc->chip->ack(irq);   /* clear our parent irq */
                 if (likely(pending)) {
                         irq = LUBBOCK_IRQ(0) + __ffs(pending);
                         generic_handle_irq(irq);