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gpio: pisosr: Use gpiod_set_value_cansleep in pisosr_gpio_refresh()

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This driver has .can_sleep flag set.
So the pisosr_gpio_get() can be called from contexts that can sleep.
Thus use the cansleep() variant in pisosr_gpio_refresh().

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Axel Lin
2016-02-24 21:31:14 +08:00
committed by Linus Walleij
parent 21d08ab9c9
commit ea04a7cae3
1 changed files with 2 additions and 2 deletions
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4
drivers/gpio/gpio-pisosr.c
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@@ -46,9 +46,9 @@ static int pisosr_gpio_refresh(struct pisosr_gpio *gpio)
mutex_lock(&gpio->lock); mutex_lock(&gpio->lock);
if (gpio->load_gpio) { if (gpio->load_gpio) {
gpiod_set_value(gpio->load_gpio, 1); gpiod_set_value_cansleep(gpio->load_gpio, 1);
udelay(1); /* registers load time (~10ns) */ udelay(1); /* registers load time (~10ns) */
gpiod_set_value(gpio->load_gpio, 0); gpiod_set_value_cansleep(gpio->load_gpio, 0);
udelay(1); /* registers recovery time (~5ns) */ udelay(1); /* registers recovery time (~5ns) */
} }