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Commit be24168f authored by Haojian Zhuang's avatar Haojian Zhuang Committed by Haojian Zhuang
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ARM: mmp: clear gpio edge detect 



Append code to clear gpio edge detect in gpio-pxa driver.

Signed-off-by: default avatarHaojian Zhuang <haojian.zhuang@marvell.com>
parent 157d2644

drivers/gpio/gpio-pxa.c

+4 −0
Original line number Diff line number Diff line
@@ -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