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path: root/drivers/gpio/gpio-pxa.c
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Diffstat (limited to 'drivers/gpio/gpio-pxa.c')
-rw-r--r--drivers/gpio/gpio-pxa.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c
index 079f97fde2c..bfd755531f7 100644
--- a/drivers/gpio/gpio-pxa.c
+++ b/drivers/gpio/gpio-pxa.c
@@ -46,6 +46,7 @@
#define GFER_OFFSET 0x3C
#define GEDR_OFFSET 0x48
#define GAFR_OFFSET 0x54
+#define ED_MASK_OFFSET 0x9C /* GPIO edge detection for AP side */
#define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
@@ -496,6 +497,9 @@ static int __devinit pxa_gpio_probe(struct platform_device *pdev)
writel_relaxed(0, c->regbase + GFER_OFFSET);
writel_relaxed(0, c->regbase + GRER_OFFSET);
writel_relaxed(~0,c->regbase + GEDR_OFFSET);
+ /* unmask GPIO edge detect for AP side */
+ if (gpio_is_mmp_type(gpio_type))
+ writel_relaxed(~0, c->regbase + ED_MASK_OFFSET);
}
#ifdef CONFIG_ARCH_PXA