diff options
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/cpu_cooling.c | 19 |
1 files changed, 2 insertions, 17 deletions
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index 5c9a2efeec22..f32573818db9 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -437,6 +437,7 @@ static struct notifier_block thermal_cpufreq_notifier_block = { * __cpufreq_cooling_register - helper function to create cpufreq cooling device * @np: a valid struct device_node to the cooling device device tree node * @clip_cpus: cpumask of cpus where the frequency constraints will happen. + * Normally this should be same as cpufreq policy->related_cpus. * * This interface function registers the cpufreq cooling device with the name * "thermal-cpufreq-%x". This api can support multiple instances of cpufreq @@ -452,30 +453,14 @@ __cpufreq_cooling_register(struct device_node *np, { struct thermal_cooling_device *cool_dev; struct cpufreq_cooling_device *cpufreq_dev; - unsigned int min = 0, max = 0; char dev_name[THERMAL_NAME_LENGTH]; - int ret, i; - struct cpufreq_policy policy; + int ret; if (!cpufreq_frequency_get_table(cpumask_first(clip_cpus))) { pr_debug("%s: CPUFreq table not found\n", __func__); return ERR_PTR(-EPROBE_DEFER); } - /* Verify that all the clip cpus have same freq_min, freq_max limit */ - for_each_cpu(i, clip_cpus) { - /* continue if cpufreq policy not found and not return error */ - if (!cpufreq_get_policy(&policy, i)) - continue; - if (min == 0 && max == 0) { - min = policy.cpuinfo.min_freq; - max = policy.cpuinfo.max_freq; - } else { - if (min != policy.cpuinfo.min_freq || - max != policy.cpuinfo.max_freq) - return ERR_PTR(-EINVAL); - } - } cpufreq_dev = kzalloc(sizeof(*cpufreq_dev), GFP_KERNEL); if (!cpufreq_dev) return ERR_PTR(-ENOMEM); |