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ARM: mmp: using for_each_set_bit to simplify the code 

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>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
This commit is contained in:
Wei Yongjun 2012-09-14 10:30:59 +08:00 committed by Haojian Zhuang
parent 5698bd757d
commit 93d429a77d
1 changed files with 1 additions and 3 deletions
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4
arch/arm/mach-mmp/irq.c
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@ -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);
}
}
}