Mathias Kresin a570933999 treewide: gpio-export: add error handling
Check if the GPIO is valid (or set at all). If no GPIO is set in the
devicetree, a gpiolib related kernel warning + stacktrace is shown during
boot and gpio-export reports GPIOs as exported albeit none really is.

Signed-off-by: Mathias Kresin <dev@kresin.me>
2018-06-28 18:39:57 +02:00
..