diff options
| author | Haojian Zhuang <haojian.zhuang@marvell.com> | 2011-10-17 21:07:15 +0800 |
|---|---|---|
| committer | Haojian Zhuang <hzhuang1@hexinfolabs.org> | 2011-11-15 19:09:10 +0800 |
| commit | be24168f144122b3730beab257fa058745d14cb4 (patch) | |
| tree | a195eac4e931ea5b4228f02b2d069372d03ec8ff /drivers/gpio/gpio-pxa.c | |
| parent | 157d2644cb0c1e71a18baaffca56d2b1d0ebf10f (diff) | |
| download | talos-obmc-linux-be24168f144122b3730beab257fa058745d14cb4.tar.gz talos-obmc-linux-be24168f144122b3730beab257fa058745d14cb4.zip | |
ARM: mmp: clear gpio edge detect
Append code to clear gpio edge detect in gpio-pxa driver.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Diffstat (limited to 'drivers/gpio/gpio-pxa.c')
| -rw-r--r-- | drivers/gpio/gpio-pxa.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c index 079f97fde2c7..bfd755531f7a 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 |
