| Message ID | 20220619222939.32029-1-ansuelsmth@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Chanwoo Choi |
| Headers | show |
| Series | PM / devfreq: Fix kernel warning with cpufreq passive register fail | expand |
On 22. 6. 20. 07:29, Christian Marangi wrote: > Remove cpufreq_passive_unregister_notifier from > cpufreq_passive_register_notifier in case of error as devfreq core > already call unregister on GOV_START fail. > > This fix the kernel always printing a WARN on governor PROBE_DEFER as > cpufreq_passive_unregister_notifier is called two times and return > error on the second call as the cpufreq is already unregistered. > > Fixes: a03dacb0316f ("PM / devfreq: Add cpu based scaling support to passive governor") > Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> > --- > drivers/devfreq/governor_passive.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/drivers/devfreq/governor_passive.c b/drivers/devfreq/governor_passive.c > index 72c67979ebe1..8055801cf182 100644 > --- a/drivers/devfreq/governor_passive.c > +++ b/drivers/devfreq/governor_passive.c > @@ -336,7 +336,6 @@ static int cpufreq_passive_register_notifier(struct devfreq *devfreq) > err_put_policy: > cpufreq_cpu_put(policy); > err: > - WARN_ON(cpufreq_passive_unregister_notifier(devfreq)); > > return ret; > } Applied. Thanks.
diff --git a/drivers/devfreq/governor_passive.c b/drivers/devfreq/governor_passive.c index 72c67979ebe1..8055801cf182 100644 --- a/drivers/devfreq/governor_passive.c +++ b/drivers/devfreq/governor_passive.c @@ -336,7 +336,6 @@ static int cpufreq_passive_register_notifier(struct devfreq *devfreq) err_put_policy: cpufreq_cpu_put(policy); err: - WARN_ON(cpufreq_passive_unregister_notifier(devfreq)); return ret; }
Remove cpufreq_passive_unregister_notifier from cpufreq_passive_register_notifier in case of error as devfreq core already call unregister on GOV_START fail. This fix the kernel always printing a WARN on governor PROBE_DEFER as cpufreq_passive_unregister_notifier is called two times and return error on the second call as the cpufreq is already unregistered. Fixes: a03dacb0316f ("PM / devfreq: Add cpu based scaling support to passive governor") Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> --- drivers/devfreq/governor_passive.c | 1 - 1 file changed, 1 deletion(-)