Restore the initial RPM_SUSPENDED runtime pm status, when disabling,
otherwise the following enable will not function. This happens, e.g.,
when unloading and reloading drivers.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
Cc: Simon Horman <horms@xxxxxxxxxxxx>
Cc: Magnus Damm <damm@xxxxxxxxxxxxx>
---
No, I do not claim to understand the thousand of states, flags, and
counters, this just happens to fix the problem for me. Feel free to make a
correct solution out of this.
drivers/base/power/runtime.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 3172c60..83d6898 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -1012,8 +1012,10 @@ void __pm_runtime_disable(struct device *dev, bool check_resume)
pm_runtime_put_noidle(dev);
}
- if (!dev->power.disable_depth++)
+ if (!dev->power.disable_depth++) {
__pm_runtime_barrier(dev);
+ dev->power.runtime_status = RPM_SUSPENDED;
+ }
out:
spin_unlock_irq(&dev->power.lock);
--
1.7.2.5
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