tree ccd2f44a5496aa8d85437d9f17806c89f5fa7664
parent fba1fbf56383073d286e6e3657bff36ee0f410e8
author Rafael J. Wysocki <rafael.j.wysocki@intel.com> 1463778589 +0200
committer Rafael J. Wysocki <rafael.j.wysocki@intel.com> 1463778589 +0200

PM / sleep: Handle failures in device_suspend_late() consistently

Grygorii Strashko reports:

 The PM runtime will be left disabled for the device if its
 .suspend_late() callback fails and async suspend is not allowed
 for this device. In this case device will not be added in
 dpm_late_early_list and dpm_resume_early() will ignore this
 device, as result PM runtime will be disabled for it forever
 (side effect: after 8 subsequent failures for the same device
 the PM runtime will be reenabled due to disable_depth overflow).

To fix this problem, add devices to dpm_late_early_list regardless
of whether or not device_suspend_late() returns errors for them.

That will ensure failures in there to be handled consistently for
all devices regardless of their async suspend/resume status.

Reported-by: Grygorii Strashko <grygorii.strashko@ti.com>
Tested-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: All applicable <stable@vger.kernel.org>