git.openwrt.org Git - openwrt/staging/linusw.git/blob

   1 From 82c66d2bbbeda9e493487e7413769087a0b46250 Mon Sep 17 00:00:00 2001
   2 From: Christian Marangi <ansuelsmth@gmail.com>
   3 Date: Mon, 20 Jun 2022 00:29:39 +0200
   4 Subject: [PATCH 1/1] PM / devfreq: Fix kernel warning with cpufreq passive
   5  register fail
   6
   7 Remove cpufreq_passive_unregister_notifier from
   8 cpufreq_passive_register_notifier in case of error as devfreq core
   9 already call unregister on GOV_START fail.
  10
  11 This fix the kernel always printing a WARN on governor PROBE_DEFER as
  12 cpufreq_passive_unregister_notifier is called two times and return
  13 error on the second call as the cpufreq is already unregistered.
  14
  15 Fixes: a03dacb0316f ("PM / devfreq: Add cpu based scaling support to passive governor")
  16 Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
  17 Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
  18 ---
  19  drivers/devfreq/governor_passive.c | 1 -
  20  1 file changed, 1 deletion(-)
  21
  22 --- a/drivers/devfreq/governor_passive.c
  23 +++ b/drivers/devfreq/governor_passive.c
  24 @@ -336,7 +336,6 @@ err_free_cpu_data:
  25  err_put_policy:
  26         cpufreq_cpu_put(policy);
  27  err:
  28 -       WARN_ON(cpufreq_passive_unregister_notifier(devfreq));
  29
  30         return ret;
  31  }