| commit | e847396b40d07931f5d2835f73220e16a1a413b3 | |
| author | Linus Walleij <linus.walleij@linaro.org> | |
| Mon, 21 Dec 2015 21:42:59 +0000 (21 22:42 +0100) | ||
| committer | Linus Walleij <linus.walleij@linaro.org> | |
| Mon, 25 Jan 2016 17:02:26 +0000 (25 18:02 +0100) | ||
| tree | a775a6e8be7ebeebd7c54883d1ed003a2c754c46 | treesnapshot (tar.gz zip) |
| parent | eecdf59ad2fb90d8238a42e2ec41f165964349bb | commitdiff |
powerpc: qe_lib/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: 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>
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: 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>
| drivers/soc/fsl/qe/gpio.c | diffblobblamehistory |