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- From 82c66d2bbbeda9e493487e7413769087a0b46250 Mon Sep 17 00:00:00 2001
- From: Christian Marangi <[email protected]>
- Date: Mon, 20 Jun 2022 00:29:39 +0200
- Subject: [PATCH 1/1] PM / devfreq: Fix kernel warning with cpufreq passive
- register fail
- 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 <[email protected]>
- Signed-off-by: Chanwoo Choi <[email protected]>
- ---
- drivers/devfreq/governor_passive.c | 1 -
- 1 file changed, 1 deletion(-)
- --- a/drivers/devfreq/governor_passive.c
- +++ b/drivers/devfreq/governor_passive.c
- @@ -336,7 +336,6 @@ err_free_cpu_data:
- err_put_policy:
- cpufreq_cpu_put(policy);
- err:
- - WARN_ON(cpufreq_passive_unregister_notifier(devfreq));
-
- return ret;
- }
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