[RFC PATCH 4/5] gpio: gpiolib: Add sysfs support for maintaining GPIO values on reset

[Linus Walleij]

On Fri, Oct 20, 2017 at 5:37 AM, Andrew Jeffery <andrew at aj.id.au> wrote:

> Expose a new 'maintain' sysfs attribute to control both suspend and
> reset tolerance.
>
> Signed-off-by: Andrew Jeffery <andrew at aj.id.au>

NAK. You will find the actual ABI documentation in
Documentation/ABI/obsolete/sysfs-gpio
that's why. This is being phased out and should not be extended.
Everyone should use the character device, especially for new
functionality.

Yours,
Linus Walleij