diff options
| author | Jean Delvare <khali@linux-fr.org> | 2011-07-28 13:48:41 -0700 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2011-08-02 14:51:41 -0400 |
| commit | 0d97d7a494d43be77f57e688369be0aae33d1ade (patch) | |
| tree | 18db258bdf750d254d1f72a9bfd3779485a2b6e5 /drivers | |
| parent | ab92402af04c151c26541eb28e1c26286a429db5 (diff) | |
thermal: split hwmon lookup to a separate function
We'll soon need to reuse it.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Rene Herman <rene.herman@gmail.com>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/thermal/thermal_sys.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c index 0b1c82ad680..b6353d61fac 100644 --- a/drivers/thermal/thermal_sys.c +++ b/drivers/thermal/thermal_sys.c @@ -469,22 +469,35 @@ temp_crit_show(struct device *dev, struct device_attribute *attr, } -static int -thermal_add_hwmon_sysfs(struct thermal_zone_device *tz) +static struct thermal_hwmon_device * +thermal_hwmon_lookup_by_type(const struct thermal_zone_device *tz) { struct thermal_hwmon_device *hwmon; - int new_hwmon_device = 1; - int result; mutex_lock(&thermal_list_lock); list_for_each_entry(hwmon, &thermal_hwmon_list, node) if (!strcmp(hwmon->type, tz->type)) { - new_hwmon_device = 0; mutex_unlock(&thermal_list_lock); - goto register_sys_interface; + return hwmon; } mutex_unlock(&thermal_list_lock); + return NULL; +} + +static int +thermal_add_hwmon_sysfs(struct thermal_zone_device *tz) +{ + struct thermal_hwmon_device *hwmon; + int new_hwmon_device = 1; + int result; + + hwmon = thermal_hwmon_lookup_by_type(tz); + if (hwmon) { + new_hwmon_device = 0; + goto register_sys_interface; + } + hwmon = kzalloc(sizeof(struct thermal_hwmon_device), GFP_KERNEL); if (!hwmon) return -ENOMEM; |