diff options
| author | Viresh Kumar <viresh.kumar@linaro.org> | 2015-10-15 16:05:22 (GMT) |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-10-28 08:21:12 (GMT) |
| commit | 8eec1020f0c0c03f7219ed50cf1b754be49dd448 (patch) | |
| tree | 92a2d5ae98e0032e17e830ba3ce63b72d7138d3b /drivers/cpufreq/cpufreq_governor.c | |
| parent | 0998a03a3a4d35290993f86ffed0e311e8dd78f5 (diff) | |
| download | linux-8eec1020f0c0c03f7219ed50cf1b754be49dd448.tar.xz | |
cpufreq: create cpu/cpufreq at boot time
Later patches will need to create policy specific directories in
/sys/devices/system/cpu/cpufreq/ directory and so the cpufreq directory
wouldn't be ever empty.
And so no fun creating/destroying it on need basis anymore. Create it
once on system boot.
Reviewed-by: Saravana Kannan <skannan@codeaurora.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq/cpufreq_governor.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq_governor.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index 750626d..11258c4 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -348,29 +348,21 @@ static int cpufreq_governor_init(struct cpufreq_policy *policy, set_sampling_rate(dbs_data, max(dbs_data->min_sampling_rate, latency * LATENCY_MULTIPLIER)); - if (!have_governor_per_policy()) { - if (WARN_ON(cpufreq_get_global_kobject())) { - ret = -EINVAL; - goto cdata_exit; - } + if (!have_governor_per_policy()) cdata->gdbs_data = dbs_data; - } ret = sysfs_create_group(get_governor_parent_kobj(policy), get_sysfs_attr(dbs_data)); if (ret) - goto put_kobj; + goto reset_gdbs_data; policy->governor_data = dbs_data; return 0; -put_kobj: - if (!have_governor_per_policy()) { +reset_gdbs_data: + if (!have_governor_per_policy()) cdata->gdbs_data = NULL; - cpufreq_put_global_kobject(); - } -cdata_exit: cdata->exit(dbs_data, !policy->governor->initialized); free_common_dbs_info: free_common_dbs_info(policy, cdata); @@ -394,10 +386,8 @@ static int cpufreq_governor_exit(struct cpufreq_policy *policy, sysfs_remove_group(get_governor_parent_kobj(policy), get_sysfs_attr(dbs_data)); - if (!have_governor_per_policy()) { + if (!have_governor_per_policy()) cdata->gdbs_data = NULL; - cpufreq_put_global_kobject(); - } cdata->exit(dbs_data, policy->governor->initialized == 1); kfree(dbs_data); |