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Subject[PATCH] OMAP3 GPIO: Fix getting the value of the GPIO output pin
From
If the GPIO pin is output, must read the value from OMAP24XX_GPIO_DATAOUT
register in __omap_get_gpio_datain().

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
---

diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index f856a90..296773a 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -428,7 +428,11 @@ static int __omap_get_gpio_datain(int gpio)
#endif
#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
case METHOD_GPIO_24XX:
- reg += OMAP24XX_GPIO_DATAIN;
+ if (__raw_readl(reg + OMAP24XX_GPIO_OE)
+ & (1 << get_gpio_index(gpio)))
+ reg += OMAP24XX_GPIO_DATAIN;
+ else
+ reg += OMAP24XX_GPIO_DATAOUT;
break;
#endif
default:

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