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>

1 files changed, 1 insertions, 3 deletions

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);