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pinctrl: sirf: using for_each_set_bit to simplify the code 

Using for_each_set_bit() to simplify the code.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Wei Yongjun 2013-03-11 22:23:45 +08:00 committed by Linus Walleij
parent 22ce4464fa
commit 3dcbd6f578
1 changed files with 2 additions and 8 deletions
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10
drivers/pinctrl/pinctrl-sirf.c
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@ -1685,15 +1685,12 @@ static void sirfsoc_gpio_set_pullup(const u32 *pullups)
const unsigned long *p = (const unsigned long *)pullups;
for (i = 0; i < SIRFSOC_GPIO_NO_OF_BANKS; i++) {
n = find_first_bit(p + i, BITS_PER_LONG);
while (n < BITS_PER_LONG) {
for_each_set_bit(n, p + i, BITS_PER_LONG) {
u32 offset = SIRFSOC_GPIO_CTRL(i, n);
u32 val = readl(sgpio_bank[i].chip.regs + offset);
val |= SIRFSOC_GPIO_CTL_PULL_MASK;
val |= SIRFSOC_GPIO_CTL_PULL_HIGH;
writel(val, sgpio_bank[i].chip.regs + offset);
n = find_next_bit(p + i, BITS_PER_LONG, n + 1);
}
}
}
@ -1704,15 +1701,12 @@ static void sirfsoc_gpio_set_pulldown(const u32 *pulldowns)
const unsigned long *p = (const unsigned long *)pulldowns;
for (i = 0; i < SIRFSOC_GPIO_NO_OF_BANKS; i++) {
n = find_first_bit(p + i, BITS_PER_LONG);
while (n < BITS_PER_LONG) {
for_each_set_bit(n, p + i, BITS_PER_LONG) {
u32 offset = SIRFSOC_GPIO_CTRL(i, n);
u32 val = readl(sgpio_bank[i].chip.regs + offset);
val |= SIRFSOC_GPIO_CTL_PULL_MASK;
val &= ~SIRFSOC_GPIO_CTL_PULL_HIGH;
writel(val, sgpio_bank[i].chip.regs + offset);
n = find_next_bit(p + i, BITS_PER_LONG, n + 1);
}
}
}