[ARM] pxa: use chip->ack() instead of accessing GEDR directly
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 851ee0f..a8674aa 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -162,7 +162,7 @@
{
unsigned long pending = MST_INTSETCLR & mainstone_irq_enabled;
do {
- GEDR(0) = GPIO_bit(0); /* clear useless edge notification */
+ desc->chip->ack(irq); /* clear useless edge notification */
if (likely(pending)) {
irq = MAINSTONE_IRQ(0) + __ffs(pending);
generic_handle_irq(irq);