[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/pcm990-baseboard.c b/arch/arm/mach-pxa/pcm990-baseboard.c
index d5255ae..e74bdfc 100644
--- a/arch/arm/mach-pxa/pcm990-baseboard.c
+++ b/arch/arm/mach-pxa/pcm990-baseboard.c
@@ -259,8 +259,7 @@
unsigned long pending = (~PCM990_INTSETCLR) & pcm990_irq_enabled;
do {
- GEDR(PCM990_CTRL_INT_IRQ_GPIO) =
- GPIO_bit(PCM990_CTRL_INT_IRQ_GPIO);
+ desc->chip->ack(irq); /* clear our parent IRQ */
if (likely(pending)) {
irq = PCM027_IRQ(0) + __ffs(pending);
generic_handle_irq(irq);