gpio_msm: 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: David Brown <davidb@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-msm-v2.c b/drivers/gpio/gpio-msm-v2.c
index 5cb1227..38305be 100644 (file)
--- a/drivers/gpio/gpio-msm-v2.c
+++ b/drivers/gpio/gpio-msm-v2.c
@@ -317,9 +317,7 @@ static void msm_summary_irq_handler(unsigned int irq, struct irq_desc *desc)
 
        chained_irq_enter(chip, desc);
 
-       for (i = find_first_bit(msm_gpio.enabled_irqs, NR_GPIO_IRQS);
-            i < NR_GPIO_IRQS;
-            i = find_next_bit(msm_gpio.enabled_irqs, NR_GPIO_IRQS, i + 1)) {
+       for_each_set_bit(i, msm_gpio.enabled_irqs, NR_GPIO_IRQS) {
                if (readl(GPIO_INTR_STATUS(i)) & BIT(INTR_STATUS))
                        generic_handle_irq(msm_gpio_to_irq(&msm_gpio.gpio_chip,
                                                           i));