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>
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@ -469,6 +469,22 @@ temp_crit_show(struct device *dev, struct device_attribute *attr,
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}
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}
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static struct thermal_hwmon_device *
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thermal_hwmon_lookup_by_type(const struct thermal_zone_device *tz)
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{
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struct thermal_hwmon_device *hwmon;
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mutex_lock(&thermal_list_lock);
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list_for_each_entry(hwmon, &thermal_hwmon_list, node)
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if (!strcmp(hwmon->type, tz->type)) {
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mutex_unlock(&thermal_list_lock);
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return hwmon;
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}
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mutex_unlock(&thermal_list_lock);
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return NULL;
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}
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static int
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static int
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thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
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thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
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{
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{
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@ -476,14 +492,11 @@ thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
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int new_hwmon_device = 1;
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int new_hwmon_device = 1;
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int result;
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int result;
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mutex_lock(&thermal_list_lock);
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hwmon = thermal_hwmon_lookup_by_type(tz);
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list_for_each_entry(hwmon, &thermal_hwmon_list, node)
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if (hwmon) {
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if (!strcmp(hwmon->type, tz->type)) {
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new_hwmon_device = 0;
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new_hwmon_device = 0;
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goto register_sys_interface;
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mutex_unlock(&thermal_list_lock);
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}
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goto register_sys_interface;
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}
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mutex_unlock(&thermal_list_lock);
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hwmon = kzalloc(sizeof(struct thermal_hwmon_device), GFP_KERNEL);
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hwmon = kzalloc(sizeof(struct thermal_hwmon_device), GFP_KERNEL);
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if (!hwmon)
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if (!hwmon)
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