[PATCH v3 1/4] ARM: Exynos4: Simplify EINT number to linux irq number translation
Thomas Abraham
thomas.abraham at linaro.org
Wed Feb 22 07:14:15 EST 2012
The exynos4_get_irq_nr function that converts a given wakeup interrupt
source number to a linux irq number is simplified and replaced with
the new macro exynos4_irq_eint_to_gic_irq.
Signed-off-by: Thomas Abraham <thomas.abraham at linaro.org>
---
arch/arm/mach-exynos/common.c | 26 +++-----------------------
1 files changed, 3 insertions(+), 23 deletions(-)
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index ac5ac0e..7dd9dd0 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -550,27 +550,7 @@ void __init exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no)
static DEFINE_SPINLOCK(eint_lock);
static unsigned int eint0_15_data[16];
-
-static unsigned int exynos4_get_irq_nr(unsigned int number)
-{
- u32 ret = 0;
-
- switch (number) {
- case 0 ... 3:
- ret = (number + IRQ_EINT0);
- break;
- case 4 ... 7:
- ret = (number + (IRQ_EINT4 - 4));
- break;
- case 8 ... 15:
- ret = (number + (IRQ_EINT8 - 8));
- break;
- default:
- printk(KERN_ERR "number available : %d\n", number);
- }
-
- return ret;
-}
+#define exynos4_irq_eint_to_gic_irq(number) (IRQ_EINT0 + number)
static inline void exynos4_irq_eint_mask(struct irq_data *data)
{
@@ -748,9 +728,9 @@ static int __init exynos4_init_irq_eint(void)
for (irq = 0 ; irq <= 15 ; irq++) {
eint0_15_data[irq] = IRQ_EINT(irq);
- irq_set_handler_data(exynos4_get_irq_nr(irq),
+ irq_set_handler_data(exynos4_irq_eint_to_gic_irq(irq),
&eint0_15_data[irq]);
- irq_set_chained_handler(exynos4_get_irq_nr(irq),
+ irq_set_chained_handler(exynos4_irq_eint_to_gic_irq(irq),
exynos4_irq_eint0_15);
}
--
1.6.6.rc2
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