thermal: cpu_cooling: remove unnecessary wrapper get_cpu_frequency()
authorViresh Kumar <viresh.kumar@linaro.org>
Thu, 4 Dec 2014 04:12:01 +0000 (09:42 +0530)
committerEduardo Valentin <edubezval@gmail.com>
Mon, 8 Dec 2014 18:05:53 +0000 (14:05 -0400)
get_cpu_frequency() isn't doing much by itself, just calling get_property(). And
so this wrapper isn't required at all. Get rid of it.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
drivers/thermal/cpu_cooling.c

index a3dd74f575407f68c91754cb3e435947d3139ad6..2c4c4853cd9f4e9e3fb0b33fbc0fdfcc9d051b80 100644 (file)
@@ -229,30 +229,6 @@ unsigned long cpufreq_cooling_get_level(unsigned int cpu, unsigned int freq)
 }
 EXPORT_SYMBOL_GPL(cpufreq_cooling_get_level);
 
-/**
- * get_cpu_frequency - get the absolute value of frequency from level.
- * @cpu: cpu for which frequency is fetched.
- * @level: cooling level
- *
- * This function matches cooling level with frequency. Based on a cooling level
- * of frequency, equals cooling state of cpu cooling device, it will return
- * the corresponding frequency.
- *     e.g level=0 --> 1st MAX FREQ, level=1 ---> 2nd MAX FREQ, .... etc
- *
- * Return: 0 on error, the corresponding frequency otherwise.
- */
-static unsigned int get_cpu_frequency(unsigned int cpu, unsigned long level)
-{
-       int ret = 0;
-       unsigned int freq;
-
-       ret = get_property(cpu, level, &freq, GET_FREQ);
-       if (ret)
-               return 0;
-
-       return freq;
-}
-
 /**
  * cpufreq_thermal_notifier - notifier callback for cpufreq policy change.
  * @nb:        struct notifier_block * with callback info.
@@ -358,14 +334,15 @@ static int cpufreq_set_cur_state(struct thermal_cooling_device *cdev,
        struct cpufreq_cooling_device *cpufreq_device = cdev->devdata;
        unsigned int cpu = cpumask_any(&cpufreq_device->allowed_cpus);
        unsigned int clip_freq;
+       int ret;
 
        /* Check if the old cooling action is same as new cooling action */
        if (cpufreq_device->cpufreq_state == state)
                return 0;
 
-       clip_freq = get_cpu_frequency(cpu, state);
-       if (!clip_freq)
-               return -EINVAL;
+       ret = get_property(cpu, state, &clip_freq, GET_FREQ);
+       if (ret)
+               return ret;
 
        cpufreq_device->cpufreq_state = state;
        cpufreq_device->cpufreq_val = clip_freq;
@@ -419,10 +396,11 @@ __cpufreq_cooling_register(struct device_node *np,
        if (!cpufreq_dev)
                return ERR_PTR(-ENOMEM);
 
-       cpufreq_dev->cpufreq_val = get_cpu_frequency(cpumask_any(clip_cpus), 0);
-       if (!cpufreq_dev->cpufreq_val) {
-               pr_err("%s: Failed to get frequency", __func__);
-               cool_dev = ERR_PTR(-EINVAL);
+       ret = get_property(cpumask_any(clip_cpus), 0, &cpufreq_dev->cpufreq_val,
+                          GET_FREQ);
+       if (ret) {
+               pr_err("%s: Failed to get frequency: %d", __func__, ret);
+               cool_dev = ERR_PTR(ret);
                goto free_cdev;
        }