diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 0e69dffd5a76..45f59e2827fe 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -1365,8 +1365,6 @@ define_one_global_rw(energy_efficiency); static struct attribute *intel_pstate_attributes[] = { &status.attr, &no_turbo.attr, - &turbo_pct.attr, - &num_pstates.attr, NULL }; @@ -1391,6 +1389,14 @@ static void __init intel_pstate_sysfs_expose_params(void) if (WARN_ON(rc)) return; + if (!boot_cpu_has(X86_FEATURE_HYBRID_CPU)) { + rc = sysfs_create_file(intel_pstate_kobject, &turbo_pct.attr); + WARN_ON(rc); + + rc = sysfs_create_file(intel_pstate_kobject, &num_pstates.attr); + WARN_ON(rc); + } + /* * If per cpu limits are enforced there are no global limits, so * return without creating max/min_perf_pct attributes @@ -1417,6 +1423,11 @@ static void __init intel_pstate_sysfs_remove(void) sysfs_remove_group(intel_pstate_kobject, &intel_pstate_attr_group); + if (!boot_cpu_has(X86_FEATURE_HYBRID_CPU)) { + sysfs_remove_file(intel_pstate_kobject, &num_pstates.attr); + sysfs_remove_file(intel_pstate_kobject, &turbo_pct.attr); + } + if (!per_cpu_limits) { sysfs_remove_file(intel_pstate_kobject, &max_perf_pct.attr); sysfs_remove_file(intel_pstate_kobject, &min_perf_pct.attr); |