[PATCH] don't bring the interface down if WoWLAN is enabled

[Dan Williams]

On Fri, 2017-03-17 at 17:15 +0100, Matteo Croce wrote:
> My concern was not only suspend/resume, but even wakeup from S5 which
> means shutdown.
> In that case wpa_s is stopped by the shutdown process and it will
> bring the interface down.

At least in the systemd case, maybe just not stop the supplicant in S5?
 There's gotta be a way to distinguish "really powering off/restarting"
from "mostly powered off and expected to come back on a moment's
notice", I think.

Dan