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| /openbmc/linux/drivers/gpio/ |
| H A D | gpio-lpc32xx.c | 2e6d8456 Mon Dec 21 04:10:06 CST 2015 Linus Walleij <linus.walleij@linaro.org> gpio: lpc32xx: 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: Roland Stigge <stigge@antcom.de>
Cc: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2e6d8456 Mon Dec 21 04:10:06 CST 2015 Linus Walleij <linus.walleij@linaro.org> gpio: lpc32xx: 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: Roland Stigge <stigge@antcom.de>
Cc: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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