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irqchip: exynos: localize irq lookup for ATAGS 

The IRQ_SPI() macro is not available in the driver when building with sparse
IRQs or multiplatform, so let's move all users of this into one function
that we can leave out when building DT-only.

Signed-off-by: Arnd Bergmann <arnd@arnd.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Arnd Bergmann 2013-04-10 15:59:58 +02:00
parent d34f03d4a1
commit 92c8e49620
1 changed files with 12 additions and 7 deletions
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19
drivers/irqchip/exynos-combiner.c
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@ -18,7 +18,9 @@
#include <linux/of_irq.h>
#include <asm/mach/irq.h>
#ifdef CONFIG_EXYNOS_ATAGS
#include <plat/cpu.h>
#endif
#include "irqchip.h"
@ -182,8 +184,12 @@ static struct irq_domain_ops combiner_irq_domain_ops = {
.map = combiner_irq_domain_map,
};
static unsigned int exynos4x12_combiner_extra_irq(int group)
static unsigned int combiner_lookup_irq(int group)
{
#ifdef CONFIG_EXYNOS_ATAGS
if (group < EXYNOS4210_MAX_COMBINER_NR || soc_is_exynos5250())
return IRQ_SPI(group);
switch (group) {
case 16:
return IRQ_SPI(107);
@ -193,9 +199,9 @@ static unsigned int exynos4x12_combiner_extra_irq(int group)
return IRQ_SPI(48);
case 19:
return IRQ_SPI(42);
default:
return 0;
}
#endif
return 0;
}
void __init combiner_init(void __iomem *combiner_base,
@ -228,14 +234,13 @@ void __init combiner_init(void __iomem *combiner_base,
}
for (i = 0; i < max_nr; i++) {
if (i < EXYNOS4210_MAX_COMBINER_NR || soc_is_exynos5250())
irq = IRQ_SPI(i);
else
irq = exynos4x12_combiner_extra_irq(i);
#ifdef CONFIG_OF
if (np)
irq = irq_of_parse_and_map(np, i);
else
#endif
irq = combiner_lookup_irq(i);
combiner_init_one(&combiner_data[i], i,
combiner_base + (i >> 2) * 0x10, irq);
combiner_cascade_irq(&combiner_data[i], irq);