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| author |  Yury Norov <yury.norov@gmail.com>
| 2022-01-23 10:38:47 -0800 |
|---|---|---|
| committer |  Viresh Kumar <viresh.kumar@linaro.org>
| 2022-02-09 13:20:03 +0530 |
| commit | b48cd0d12f8e3b5fc928ac84734e563eda8e430f (patch) | |
| tree | 1d6b986be015c87c2644236ef7217251e522ce14 /drivers/cpufreq/scmi-cpufreq.c | |
| parent | cpufreq: qcom-hw: Delay enabling throttle_irq (diff) | |
| download | linux-b48cd0d12f8e3b5fc928ac84734e563eda8e430f.tar.gz linux-b48cd0d12f8e3b5fc928ac84734e563eda8e430f.tar.bz2 linux-b48cd0d12f8e3b5fc928ac84734e563eda8e430f.zip | |
cpufreq: replace cpumask_weight with cpumask_empty where appropriate
drivers/cpufreq calls cpumask_weight() to check if any bit of a given
cpumask is set. We can do it more efficiently with cpumask_empty() because
cpumask_empty() stops traversing the cpumask as soon as it finds first set
bit, while cpumask_weight() counts all bits unconditionally.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com> (for SCMI cpufreq driver)
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Diffstat (limited to 'drivers/cpufreq/scmi-cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/scmi-cpufreq.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c index 1e0cd4d165f0..919fa6e3f462 100644 --- a/drivers/cpufreq/scmi-cpufreq.c +++ b/drivers/cpufreq/scmi-cpufreq.c @@ -154,7 +154,7 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy) * table and opp-shared. */ ret = dev_pm_opp_of_get_sharing_cpus(cpu_dev, priv->opp_shared_cpus); - if (ret || !cpumask_weight(priv->opp_shared_cpus)) { + if (ret || cpumask_empty(priv->opp_shared_cpus)) { /* * Either opp-table is not set or no opp-shared was found. * Use the CPU mask from SCMI to designate CPUs sharing an OPP |