From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Fri, 26 Oct 2012 14:50:54 +0000 (+0800)
Subject: pinctrl/at91: using for_each_set_bit to simplify the code
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=05daa16a86b1f822eeb4324f8874d4d9b915a717;p=deliverable%2Flinux.git

pinctrl/at91: using for_each_set_bit to simplify the code

Using for_each_set_bit() to simplify the code.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---

diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index 62f2fe47b46b..ddfb5dbd88db 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -1219,10 +1219,8 @@ static void gpio_irq_handler(unsigned irq, struct irq_desc *desc)
 			continue;
 		}
 
-		n = find_first_bit(&isr, BITS_PER_LONG);
-		while (n < BITS_PER_LONG) {
+		for_each_set_bit(n, &isr, BITS_PER_LONG) {
 			generic_handle_irq(irq_find_mapping(at91_gpio->domain, n));
-			n = find_next_bit(&isr, BITS_PER_LONG, n + 1);
 		}
 	}
 	chained_irq_exit(chip, desc);