On Fri, Sep 19, 2014 at 10:22 PM, Octavian Purdila
[off-list ref] wrote:

Some GPIO chips (e.g. the DLN2 USB adapter) have blocking get/set
operation but do not need a threaded irq handler.

Signed-off-by: Octavian Purdila <redacted>

Usually I don't apply patches adding interfaces with no users, but
this seems very useful, so patch applied. I guess your driver will
appear on v3.19+ so then you can rely on this having been merged
for v3.18.

Yours,
Linus Walleij