Commit 01a62834 authored Dec 21, 2015 by Linus Walleij

pinctrl: coh901: Be sure to clamp return value



As we want gpio_chip .get() calls to be able to return negative
error codes and propagate to drivers, we need to go over all
drivers and make sure their return values are clamped to [0,1].
We do this by using the ret = !!(val) design pattern.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

parent 3bde8771

drivers/pinctrl/pinctrl-coh901.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -221,7 +221,7 @@ static int u300_gpio_get(struct gpio_chip *chip, unsigned offset)
		{
		struct u300_gpio *gpio = to_u300_gpio(chip);

		return readl(U300_PIN_REG(offset, dir)) & U300_PIN_BIT(offset);
		return !!(readl(U300_PIN_REG(offset, dir)) & U300_PIN_BIT(offset));
		}

		static void u300_gpio_set(struct gpio_chip *chip, unsigned offset, int value)