diff --git a/arch/arm/mach-pxa/gpio.c b/arch/arm/mach-pxa/gpio.c
index 1a70579..7d3e169 100644
--- a/arch/arm/mach-pxa/gpio.c
+++ b/arch/arm/mach-pxa/gpio.c
@@ -161,9 +161,9 @@
  * Use this instead of directly setting GRER/GFER.
  */
 
-static long GPIO_IRQ_rising_edge[4];
-static long GPIO_IRQ_falling_edge[4];
-static long GPIO_IRQ_mask[4];
+static unsigned long GPIO_IRQ_rising_edge[4];
+static unsigned long GPIO_IRQ_falling_edge[4];
+static unsigned long GPIO_IRQ_mask[4];
 
 /*
  * On PXA25x and PXA27x, GAFRx and GPDRx together decide the alternate