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author | Eduardo Valentin <edubezval@gmail.com> | 2016-11-07 21:08:56 -0800 |
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committer | Zhang Rui <rui.zhang@intel.com> | 2016-11-23 10:06:12 +0800 |
commit | 97d2423bd9738bb75cd716d01c4c4e1d6fae8441 (patch) | |
tree | cd032fb598591ce3555287a7d5fdf1861cb13195 /drivers/thermal/thermal_core.c | |
parent | 6b885202d7c17157a44d5cb42793f795d6d7a58e (diff) | |
download | linux-97d2423bd9738bb75cd716d01c4c4e1d6fae8441.tar.gz linux-97d2423bd9738bb75cd716d01c4c4e1d6fae8441.tar.bz2 linux-97d2423bd9738bb75cd716d01c4c4e1d6fae8441.zip |
thermal: core: split available_policies_show()
This patch creates a helper to build a list of available governors.
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Diffstat (limited to 'drivers/thermal/thermal_core.c')
-rw-r--r-- | drivers/thermal/thermal_core.c | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 23f138f7eb68..3d5118473eb0 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -779,6 +779,25 @@ exit: return ret; } +int thermal_build_list_of_policies(char *buf) +{ + struct thermal_governor *pos; + ssize_t count = 0; + ssize_t size = PAGE_SIZE; + + mutex_lock(&thermal_governor_lock); + + list_for_each_entry(pos, &thermal_governor_list, governor_list) { + size = PAGE_SIZE - count; + count += scnprintf(buf + count, size, "%s ", pos->name); + } + count += scnprintf(buf + count, size, "\n"); + + mutex_unlock(&thermal_governor_lock); + + return count; +} + /* sys I/F for thermal zone */ #define to_thermal_zone(_dev) \ @@ -1048,21 +1067,7 @@ static ssize_t available_policies_show(struct device *dev, struct device_attribute *devattr, char *buf) { - struct thermal_governor *pos; - ssize_t count = 0; - ssize_t size = PAGE_SIZE; - - mutex_lock(&thermal_governor_lock); - - list_for_each_entry(pos, &thermal_governor_list, governor_list) { - size = PAGE_SIZE - count; - count += scnprintf(buf + count, size, "%s ", pos->name); - } - count += scnprintf(buf + count, size, "\n"); - - mutex_unlock(&thermal_governor_lock); - - return count; + return thermal_build_list_of_policies(buf); } static ssize_t |