diff options
| author | Paul Mackerras <paulus@samba.org> | 2007-02-08 15:03:11 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-02-08 15:03:11 +1100 |
| commit | d5112a4f31a361409d3c57dc9d58dd69f8014bef (patch) | |
| tree | 64771300b2191cb94d9aaf60355661a01c2ccd1a /arch/arm/mach-s3c2410/gpio.c | |
| parent | 12e86f92fcfe4f0bcab0ad7fa4088a64c60d9b38 (diff) | |
| parent | 5fad293bcbd48d9a2370020cf60e4b4a42559b12 (diff) | |
Merge branch 'for_paulus' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc into for-2.6.21
Diffstat (limited to 'arch/arm/mach-s3c2410/gpio.c')
| -rw-r--r-- | arch/arm/mach-s3c2410/gpio.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/arm/mach-s3c2410/gpio.c b/arch/arm/mach-s3c2410/gpio.c index ba346546150..f6fb215bb48 100644 --- a/arch/arm/mach-s3c2410/gpio.c +++ b/arch/arm/mach-s3c2410/gpio.c @@ -57,6 +57,7 @@ void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int function) case S3C2410_GPIO_SFN2: case S3C2410_GPIO_SFN3: if (pin < S3C2410_GPIO_BANKB) { + function -= 1; function &= 1; function <<= S3C2410_GPIO_OFFSET(pin); } else { @@ -83,15 +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); |