From 93d429a77d86f502d1f62d78212b42d2d79b3352 Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Fri, 14 Sep 2012 10:30:59 +0800 Subject: [PATCH] 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 Signed-off-by: Haojian Zhuang --- 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 e60c7d98922b..3c71246cd994 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); } } }