tree 866a093bc6c17d52a1b23be782d5ad64bb7e9125
parent e847396b40d07931f5d2835f73220e16a1a413b3
author Linus Walleij <linus.walleij@linaro.org> 1450734242 +0100
committer Linus Walleij <linus.walleij@linaro.org> 1453741346 +0100

powerpc: simple_gpio: 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: Anton Vorontsov <anton@enomsg.org>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>