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Subject[PATCH] ARM: mmp: using for_each_set_bit to simplify the code
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From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

Using for_each_set_bit() to simplify the code.

spatch with a semantic match is used to found this.
(http://coccinelle.lip6.fr/)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
arch/arm/mach-mmp/irq.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/arm/mach-mmp/irq.c b/arch/arm/mach-mmp/irq.c
index e60c7d9..3c71246 100644
--- a/arch/arm/mach-mmp/irq.c
+++ b/arch/arm/mach-mmp/irq.c
@@ -153,10 +153,8 @@ static void icu_mux_irq_demux(unsigned int irq, struct irq_desc *desc)
status = readl_relaxed(data->reg_status) & ~mask;
if (status == 0)
break;
- n = find_first_bit(&status, BITS_PER_LONG);
- while (n < BITS_PER_LONG) {
+ for_each_set_bit(n, &status, BITS_PER_LONG) {
generic_handle_irq(icu_data[i].virq_base + n);
- n = find_next_bit(&status, BITS_PER_LONG, n + 1);
}
}
}


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