summaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-s3c24xx/gpio.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/plat-s3c24xx/gpio.c')
-rw-r--r--arch/arm/plat-s3c24xx/gpio.c34
1 files changed, 9 insertions, 25 deletions
diff --git a/arch/arm/plat-s3c24xx/gpio.c b/arch/arm/plat-s3c24xx/gpio.c
index 4a899c279eb5..95df059b5a1d 100644
--- a/arch/arm/plat-s3c24xx/gpio.c
+++ b/arch/arm/plat-s3c24xx/gpio.c
@@ -183,35 +183,19 @@ EXPORT_SYMBOL(s3c2410_modify_misccr);
int s3c2410_gpio_getirq(unsigned int pin)
{
- if (pin < S3C2410_GPF0 || pin > S3C2410_GPG15)
- return -1; /* not valid interrupts */
+ if (pin < S3C2410_GPF(0) || pin > S3C2410_GPG(15))
+ return -EINVAL; /* not valid interrupts */
- if (pin < S3C2410_GPG0 && pin > S3C2410_GPF7)
- return -1; /* not valid pin */
+ if (pin < S3C2410_GPG(0) && pin > S3C2410_GPF(7))
+ return -EINVAL; /* not valid pin */
- if (pin < S3C2410_GPF4)
- return (pin - S3C2410_GPF0) + IRQ_EINT0;
+ if (pin < S3C2410_GPF(4))
+ return (pin - S3C2410_GPF(0)) + IRQ_EINT0;
- if (pin < S3C2410_GPG0)
- return (pin - S3C2410_GPF4) + IRQ_EINT4;
+ if (pin < S3C2410_GPG(0))
+ return (pin - S3C2410_GPF(4)) + IRQ_EINT4;
- return (pin - S3C2410_GPG0) + IRQ_EINT8;
+ return (pin - S3C2410_GPG(0)) + IRQ_EINT8;
}
EXPORT_SYMBOL(s3c2410_gpio_getirq);
-
-int s3c2410_gpio_irq2pin(unsigned int irq)
-{
- if (irq >= IRQ_EINT0 && irq <= IRQ_EINT3)
- return S3C2410_GPF0 + (irq - IRQ_EINT0);
-
- if (irq >= IRQ_EINT4 && irq <= IRQ_EINT7)
- return S3C2410_GPF4 + (irq - IRQ_EINT4);
-
- if (irq >= IRQ_EINT8 && irq <= IRQ_EINT23)
- return S3C2410_GPG0 + (irq - IRQ_EINT8);
-
- return -EINVAL;
-}
-
-EXPORT_SYMBOL(s3c2410_gpio_irq2pin);