On Sat, Nov 23, 2013 at 11:34 AM, Alexandre Courbot [off-list ref] wrote:

For platforms that use device tree or ACPI as the standard way to look
GPIOs up, allow the platform-defined GPIO mappings to be used as a
fallback. This may be useful for platforms that need extra GPIOs mappings
not defined by the firmware.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>

Applied for fixes. I was considering applying it for the next
kernel but it depends on the former patches and we should
expect a bit of extra fuzz now with the new API.

Yours,
Linus Walleij