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authorQuentin Perret <quentin.perret@arm.com>2019-02-04 11:09:50 +0000
committerViresh Kumar <viresh.kumar@linaro.org>2019-02-07 09:55:11 +0530
commit6915d7ad2105447776aa1a2ee83170f98de0a4e5 (patch)
treebd732466e17c0cb6a44e4489c3c6aedbbfd26bf6 /drivers/cpufreq/scpi-cpufreq.c
parent76d004bf72c9c7bcbcb9ff092898530cedbca296 (diff)
downloadlinux-6915d7ad2105447776aa1a2ee83170f98de0a4e5.tar.bz2
cpufreq: scpi: Register an Energy Model
Now that PM_OPP provides a helper function to estimate the power consumed by CPUs, make sure to try and register an Energy Model (EM) from scpi-cpufreq, hence ensuring interested subsystems (the task scheduler, for example) can make use of that information when available. Signed-off-by: Quentin Perret <quentin.perret@arm.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Diffstat (limited to 'drivers/cpufreq/scpi-cpufreq.c')
-rw-r--r--drivers/cpufreq/scpi-cpufreq.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c
index 87a98ec77773..c7e177011cff 100644
--- a/drivers/cpufreq/scpi-cpufreq.c
+++ b/drivers/cpufreq/scpi-cpufreq.c
@@ -170,6 +170,9 @@ static int scpi_cpufreq_init(struct cpufreq_policy *policy)
policy->cpuinfo.transition_latency = latency;
policy->fast_switch_possible = false;
+
+ dev_pm_opp_of_register_em(policy->cpus);
+
return 0;
out_free_cpufreq_table: