From be24168f144122b3730beab257fa058745d14cb4 Mon Sep 17 00:00:00 2001 From: Haojian Zhuang Date: Mon, 17 Oct 2011 21:07:15 +0800 Subject: ARM: mmp: clear gpio edge detect Append code to clear gpio edge detect in gpio-pxa driver. Signed-off-by: Haojian Zhuang --- drivers/gpio/gpio-pxa.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/gpio/gpio-pxa.c') 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 -- cgit v1.2.3