PM / Domains: Add a detach callback to the struct dev_pm_domain

The intent of this callback is to simplify detachment of devices from
their PM domains. Further patches will show the benefit.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit c3099a5294f2c7266234e8ea35cbffc20a41aa9a)
Signed-off-by: Mark Brown <broonie@kernel.org>
1 file changed