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gpio: pxa: using for_each_set_bit to simplify the code

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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 <[email protected]>
Acked-by: Haojian Zhuang <[email protected]>
Acked-by: Eric Miao <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
This commit is contained in:
Wei Yongjun 2012-09-14 10:36:59 +08:00 • committed by Linus Walleij
commit d724f1c9c3
1 changed files with 1 additions and 3 deletions
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4
drivers/gpio/gpio-pxa.c
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@ -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);