diff options
Diffstat (limited to 'arch/arm/mach-s3c2410/gpio.c')
| -rw-r--r-- | arch/arm/mach-s3c2410/gpio.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/arm/mach-s3c2410/gpio.c b/arch/arm/mach-s3c2410/gpio.c index d1740643a13..f6fb215bb48 100644 --- a/arch/arm/mach-s3c2410/gpio.c +++ b/arch/arm/mach-s3c2410/gpio.c @@ -84,15 +84,18 @@ EXPORT_SYMBOL(s3c2410_gpio_cfgpin); unsigned int s3c2410_gpio_getcfg(unsigned int pin) { void __iomem *base = S3C24XX_GPIO_BASE(pin); - unsigned long mask; + unsigned long val = __raw_readl(base); if (pin < S3C2410_GPIO_BANKB) { - mask = 1 << S3C2410_GPIO_OFFSET(pin); + val >>= S3C2410_GPIO_OFFSET(pin); + val &= 1; + val += 1; } else { - mask = 3 << S3C2410_GPIO_OFFSET(pin)*2; + val >>= S3C2410_GPIO_OFFSET(pin)*2; + val &= 3; } - return __raw_readl(base) & mask; + return val | S3C2410_GPIO_INPUT; } EXPORT_SYMBOL(s3c2410_gpio_getcfg); |