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authorLinus Walleij <linus.walleij@linaro.org>2015-12-21 16:40:27 +0100
committerLinus Walleij <linus.walleij@linaro.org>2015-12-26 22:28:41 +0100
commit39e24ac3c309545f1308f0a5d770322b426339ab (patch)
tree17220e9e041599dd01537407a09db736aca851bb /drivers/pinctrl
parentgpio: ssbi-mpp: Be sure to clamp return value (diff)
downloadlinux-dev-39e24ac3c309545f1308f0a5d770322b426339ab.tar.xz
linux-dev-39e24ac3c309545f1308f0a5d770322b426339ab.zip
pinctrl: sunxi: 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. Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
-rw-r--r--drivers/pinctrl/sunxi/pinctrl-sunxi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
index a437e4f8628b..c53a2dbdb5cf 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
@@ -469,7 +469,7 @@ static int sunxi_pinctrl_gpio_get(struct gpio_chip *chip, unsigned offset)
if (set_mux)
sunxi_pmx_set(pctl->pctl_dev, offset, SUN4I_FUNC_IRQ);
- return val;
+ return !!val;
}
static void sunxi_pinctrl_gpio_set(struct gpio_chip *chip,