Saravana Kannan 8d517fec86 UPSTREAM: driver core: Fix handling of SYNC_STATE_ONLY + STATELESS device links
Commit 21c27f0658 ("driver core: Fix SYNC_STATE_ONLY device link
implementation") didn't completely fix STATELESS + SYNC_STATE_ONLY
handling.

What looks like an optimization in that commit is actually a bug that
causes an if condition to always take the else path. This prevents
reordering of devices in the dpm_list when a DL_FLAG_STATELESS device
link is create on top of an existing DL_FLAG_SYNC_STATE_ONLY device
link.

Fixes: 21c27f0658 ("driver core: Fix SYNC_STATE_ONLY device link implementation")
Signed-off-by: Saravana Kannan <saravanak@google.com>
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20200520043626.181820-1-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 44e960490d)
Bug: 157103558
Signed-off-by: Saravana Kannan <saravanak@google.com>
Change-Id: I6cd908eb4b29b1058018bfb906cb508fb3ca710f
2020-05-28 14:59:57 -07:00
2020-04-29 17:26:17 +02:00
2020-05-14 08:54:02 +02:00
2020-05-14 07:57:20 +02:00
2020-03-03 07:33:01 +01:00

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