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| author | Tony Lindgren <tony@atomide.com> | 2015-05-14 01:36:32 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-05-20 01:55:02 +0200 |
| commit | 56f487c78015936097474fd89b2ccb229d500d0f (patch) | |
| tree | e9987286d9ec0bd037bf3207149ab4d010a0d9e0 /drivers/base | |
| parent | PM / runtime: add note about re-calling in during device probe() (diff) | |
| download | linux-56f487c78015936097474fd89b2ccb229d500d0f.tar.xz linux-56f487c78015936097474fd89b2ccb229d500d0f.zip | |
PM / Runtime: Update last_busy in rpm_resume
If we don't update last_busy in rpm_resume, devices can go back
to sleep immediately after resume. This happens at least in
cases where the device has been powered off and does not have
any interrupt pending until there's something in the FIFO.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/power/runtime.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 5070c4fe8542..4ffe4a2add76 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -741,6 +741,7 @@ static int rpm_resume(struct device *dev, int rpmflags) } else { no_callback: __update_runtime_status(dev, RPM_ACTIVE); + pm_runtime_mark_last_busy(dev); if (parent) atomic_inc(&parent->power.child_count); } |