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authorGravatar Ingo Molnar <mingo@kernel.org> 2020-03-06 12:49:56 +0100
committerGravatar Ingo Molnar <mingo@kernel.org> 2020-03-06 12:49:56 +0100
commit1b10d388d094bb32129060236add6f50b204a69d (patch)
tree08272a4d89833d139e615b07675f95e403cdddbd /drivers/cpufreq
parentsched/numa: Stop an exhastive search if a reasonable swap candidate or idle C... (diff)
parentMerge tag '5.6-rc4-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6 (diff)
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Merge branch 'linus' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r--drivers/cpufreq/cpufreq.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index cbe6c94bf158..808874bccf4a 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1076,9 +1076,17 @@ static int cpufreq_init_policy(struct cpufreq_policy *policy)
pol = policy->last_policy;
} else if (def_gov) {
pol = cpufreq_parse_policy(def_gov->name);
- } else {
- return -ENODATA;
+ /*
+ * In case the default governor is neiter "performance"
+ * nor "powersave", fall back to the initial policy
+ * value set by the driver.
+ */
+ if (pol == CPUFREQ_POLICY_UNKNOWN)
+ pol = policy->policy;
}
+ if (pol != CPUFREQ_POLICY_PERFORMANCE &&
+ pol != CPUFREQ_POLICY_POWERSAVE)
+ return -ENODATA;
}
return cpufreq_set_policy(policy, gov, pol);