diff options
| author | Ben Dooks <ben-linux@fluff.org> | 2009-05-18 19:40:18 +0100 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2009-05-18 19:40:18 +0100 |
| commit | 373e9644c5f557bc8992036f9a9281e9d98aef40 (patch) | |
| tree | 44a0c82e8405fc452965d52719611a6faa8839d5 | |
| parent | 070276d5d049f385763dee19112bea08f56c9a0d (diff) | |
[ARM] S3C24XX: GPIO: Fix error returns from gpio functions
Several GPIO functions have been returning -1 to indicate
an error instead of returning a proper error code. Change
to return -EINVAL for invalid argument(s).
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| -rw-r--r-- | arch/arm/mach-s3c2400/gpio.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-s3c2410/gpio.c | 2 | ||||
| -rw-r--r-- | arch/arm/plat-s3c24xx/gpio.c | 4 |
3 files changed, 5 insertions, 5 deletions
diff --git a/arch/arm/mach-s3c2400/gpio.c b/arch/arm/mach-s3c2400/gpio.c index 81ebe2f0990..6c68e78f359 100644 --- a/arch/arm/mach-s3c2400/gpio.c +++ b/arch/arm/mach-s3c2400/gpio.c @@ -33,8 +33,8 @@ int s3c2400_gpio_getirq(unsigned int pin) { - if (pin < S3C2410_GPE(0) || pin > S3C2400_GPE7_EINT7) - return -1; /* not valid interrupts */ + if (pin < S3C2410_GPE(0) || pin > S3C2400_GPE(7)) + return -EINVAL; /* not valid interrupts */ return (pin - S3C2410_GPE(0)) + IRQ_EINT0; } diff --git a/arch/arm/mach-s3c2410/gpio.c b/arch/arm/mach-s3c2410/gpio.c index bf7fbfe7e4d..7974afca297 100644 --- a/arch/arm/mach-s3c2410/gpio.c +++ b/arch/arm/mach-s3c2410/gpio.c @@ -40,7 +40,7 @@ int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on, unsigned long val; if (pin < S3C2410_GPG(8) || pin > S3C2410_GPG(15)) - return -1; + return -EINVAL; config &= 0xff; diff --git a/arch/arm/plat-s3c24xx/gpio.c b/arch/arm/plat-s3c24xx/gpio.c index ae0b9d6f3fb..95df059b5a1 100644 --- a/arch/arm/plat-s3c24xx/gpio.c +++ b/arch/arm/plat-s3c24xx/gpio.c @@ -184,10 +184,10 @@ EXPORT_SYMBOL(s3c2410_modify_misccr); int s3c2410_gpio_getirq(unsigned int pin) { if (pin < S3C2410_GPF(0) || pin > S3C2410_GPG(15)) - return -1; /* not valid interrupts */ + return -EINVAL; /* not valid interrupts */ if (pin < S3C2410_GPG(0) && pin > S3C2410_GPF(7)) - return -1; /* not valid pin */ + return -EINVAL; /* not valid pin */ if (pin < S3C2410_GPF(4)) return (pin - S3C2410_GPF(0)) + IRQ_EINT0; |