diff options
| author | Zhang Rui <rui.zhang@intel.com> | 2013-02-08 07:52:06 +0100 |
|---|---|---|
| committer | Zhang Rui <rui.zhang@intel.com> | 2013-03-26 07:33:50 +0100 |
| commit | 57df8106932b57427df1eaaa13871857f75b1194 (patch) | |
| tree | 031702338779869067dde6be83aedeee9e8d6e2b /drivers | |
| parent | Thermal: cpufreq cooling: fix parsing per_cpu cpufreq_frequency_table (diff) | |
| download | linux-57df8106932b57427df1eaaa13871857f75b1194.tar.xz linux-57df8106932b57427df1eaaa13871857f75b1194.zip | |
Thermal: exynos: fix cooling state translation
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Tested-by: Amit Daniel kachhap <amit.daniel@samsung.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/thermal/cpu_cooling.c | 11 | ||||
| -rw-r--r-- | drivers/thermal/exynos_thermal.c | 24 |
2 files changed, 13 insertions, 22 deletions
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index 9e208d300647..e03891b03c9b 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -196,6 +196,17 @@ static int get_property(unsigned int cpu, unsigned long input, return -EINVAL; } +unsigned long cpufreq_cooling_get_level(unsigned int cpu, unsigned int freq) +{ + unsigned int val; + + if (get_property(cpu, (unsigned long)freq, &val, GET_LEVEL)) + return THERMAL_CSTATE_INVALID; + return (unsigned long)val; +} + +EXPORT_SYMBOL(cpufreq_cooling_get_level); + /** * get_cpu_frequency - get the absolute value of frequency from level. * @cpu: cpu for which frequency is fetched. diff --git a/drivers/thermal/exynos_thermal.c b/drivers/thermal/exynos_thermal.c index 46568c078dee..541257888c3e 100644 --- a/drivers/thermal/exynos_thermal.c +++ b/drivers/thermal/exynos_thermal.c @@ -242,26 +242,6 @@ static int exynos_get_crit_temp(struct thermal_zone_device *thermal, return ret; } -static int exynos_get_frequency_level(unsigned int cpu, unsigned int freq) -{ - int i = 0, ret = -EINVAL; - struct cpufreq_frequency_table *table = NULL; -#ifdef CONFIG_CPU_FREQ - table = cpufreq_frequency_get_table(cpu); -#endif - if (!table) - return ret; - - while (table[i].frequency != CPUFREQ_TABLE_END) { - if (table[i].frequency == CPUFREQ_ENTRY_INVALID) - continue; - if (table[i].frequency == freq) - return i; - i++; - } - return ret; -} - /* Bind callback functions for thermal zone */ static int exynos_bind(struct thermal_zone_device *thermal, struct thermal_cooling_device *cdev) @@ -288,8 +268,8 @@ static int exynos_bind(struct thermal_zone_device *thermal, /* Bind the thermal zone to the cpufreq cooling device */ for (i = 0; i < tab_size; i++) { clip_data = (struct freq_clip_table *)&(tab_ptr[i]); - level = exynos_get_frequency_level(0, clip_data->freq_clip_max); - if (level < 0) + level = cpufreq_cooling_get_level(0, clip_data->freq_clip_max); + if (level == THERMAL_CSTATE_INVALID) return 0; switch (GET_ZONE(i)) { case MONITOR_ZONE: |