tree cd51f3aaf39363c811998a8a4f894b75c5b33c75
parent 0d2b0a8f451a31e8d84e3d4866e78951ad6535f2
author Holger Brunck <holger.brunck@keymile.com> 1313968866 +0000
committer Wolfgang Denk <wd@denx.de> 1318883133 +0200

kw_gpio: fix error in kw_gpio_direction_input

The function kw_gpio_is_valid returns zero on success, so
adapt the error check accordingly.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>
cc: Dieter Kiermaier <dk-arm-linux@gmx.de>