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| author |   Viresh Kumar <viresh.kumar@linaro.org> | 2017-04-25 15:57:21 +0530 |
|---|---|---|
| committer |   Eduardo Valentin <edubezval@gmail.com> | 2017-05-27 17:32:52 -0700 |
| commit | da27f69d6a4eaf7bdaaad9d9e1b997a1c8f186aa (patch) | |
| tree | c315bd1e48c8de4006cef943724c94a7ff9cd7d5 /drivers/thermal | |
| parent | thermal: cpu_cooling: create structure for idle time stats (diff) | |
| download | linux-dev-da27f69d6a4eaf7bdaaad9d9e1b997a1c8f186aa.tar.xz linux-dev-da27f69d6a4eaf7bdaaad9d9e1b997a1c8f186aa.zip | |
thermal: cpu_cooling: get_level() can't fail
The frequency passed to get_level() is returned by cpu_power_to_freq()
and it is guaranteed that get_level() can't fail.
Get rid of error code.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Tested-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/cpu_cooling.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index 11735dba1456..2c2d76ac04c3 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -119,22 +119,19 @@ static LIST_HEAD(cpufreq_cdev_list); * @cpufreq_cdev: cpufreq_cdev for which the property is required * @freq: Frequency * - * Return: level on success, THERMAL_CSTATE_INVALID on error. + * Return: level corresponding to the frequency. */ static unsigned long get_level(struct cpufreq_cooling_device *cpufreq_cdev, unsigned int freq) { + struct freq_table *freq_table = cpufreq_cdev->freq_table; unsigned long level; - for (level = 0; level <= cpufreq_cdev->max_level; level++) { - if (freq == cpufreq_cdev->freq_table[level].frequency) - return level; - - if (freq > cpufreq_cdev->freq_table[level].frequency) + for (level = 1; level <= cpufreq_cdev->max_level; level++) + if (freq > freq_table[level].frequency) break; - } - return THERMAL_CSTATE_INVALID; + return level - 1; } /** @@ -627,13 +624,6 @@ static int cpufreq_power2state(struct thermal_cooling_device *cdev, target_freq = cpu_power_to_freq(cpufreq_cdev, normalised_power); *state = get_level(cpufreq_cdev, target_freq); - if (*state == THERMAL_CSTATE_INVALID) { - dev_err_ratelimited(&cdev->device, - "Failed to convert %dKHz for cpu %d into a cdev state\n", - target_freq, policy->cpu); - return -EINVAL; - } - trace_thermal_power_cpu_limit(policy->related_cpus, target_freq, *state, power); return 0; |