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authorLinus Walleij <linus.walleij@linaro.org>2015-12-21 16:17:20 +0100
committerLinus Walleij <linus.walleij@linaro.org>2015-12-26 22:28:33 +0100
commit3bde87714e79c7ff342e98ccafca07d69d91c7b8 (patch)
tree71dabe68a3bab64de8d589c8091ae9d250299b5b /drivers/pinctrl/intel
parent80776df4f53e8e2463e57b7b9bc13298c443a393 (diff)
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>
Diffstat (limited to 'drivers/pinctrl/intel')
-rw-r--r--drivers/pinctrl/intel/pinctrl-baytrail.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c
index bb92f8ae6b33..1fe9c1989353 100644
--- a/drivers/pinctrl/intel/pinctrl-baytrail.c
+++ b/drivers/pinctrl/intel/pinctrl-baytrail.c
@@ -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)