Messages in this thread Patch in this message | | | From | Tony Lindgren <> | Subject | [PATCH 1/5] PM / Runtime: Update last_busy in rpm_resume | Date | Wed, 13 May 2015 16:36:32 -0700 |
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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> --- drivers/base/power/runtime.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 5070c4f..4ffe4a2 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); } -- 2.1.4
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