Commit 3bde8771 authored Dec 21, 2015 by Linus Walleij

pinctrl: baytrail: 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.

Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

parent 80776df4

drivers/pinctrl/intel/pinctrl-baytrail.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -281,7 +281,7 @@ static int byt_gpio_get(struct gpio_chip *chip, unsigned offset)
		val = readl(reg);
		raw_spin_unlock_irqrestore(&vg->lock, flags);

		return val & BYT_LEVEL;
		return !!(val & BYT_LEVEL);
		}

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