summaryrefslogtreecommitdiff
path: root/drivers/gpio
diff options
context:
space:
mode:
authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2012-09-14 06:36:59 +0400
committerLinus Walleij <linus.walleij@linaro.org>2012-09-19 01:18:43 +0400
commitd724f1c9c3c7dee420b8d778ee53207ef3c17120 (patch)
tree3701e64ca6b3127f581cc42bc4e7862bd4cd75f6 /drivers/gpio
parent939d902d0de58982fc95b04c5cd37c5e30ffe46f (diff)
downloadlinux-d724f1c9c3c7dee420b8d778ee53207ef3c17120.tar.xz
gpio: pxa: 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> Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com> Acked-by: Eric Miao <eric.y.miao@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-pxa.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c
index 528de0fa0c9e..bf9371f9d469 100644
--- a/drivers/gpio/gpio-pxa.c
+++ b/drivers/gpio/gpio-pxa.c
@@ -413,12 +413,10 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc)
gedr = gedr & c->irq_mask;
writel_relaxed(gedr, c->regbase + GEDR_OFFSET);
- n = find_first_bit(&gedr, BITS_PER_LONG);
- while (n < BITS_PER_LONG) {
+ for_each_set_bit(n, &gedr, BITS_PER_LONG) {
loop = 1;
generic_handle_irq(gpio_to_irq(gpio_base + n));
- n = find_next_bit(&gedr, BITS_PER_LONG, n + 1);
}
}
} while (loop);