tree 6db8b10599ad992de452f7b6193e02c75c9296e3
parent 9c034392533f3e9f00656d5c58478cff2560ef81
author Ming Lei <tom.leiming@gmail.com> 1287784094 +0200
committer Rafael J. Wysocki <rjw@sisk.pl> 1287784094 +0200

PM / Runtime: fix recursive locking warning of lockdep from rpm_resume()

For device with no_callbacks flag set, its power lock and its parent's
power lock may be held nestedly in rpm_resume, so we should take
spin_lock_nested(lock, SINGLE_DEPTH_NESTING) to acquire parent power lock
to avoid lockdep warning.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>