poweroff_lock 45 drivers/thermal/thermal_core.c static DEFINE_MUTEX(poweroff_lock); poweroff_lock 398 drivers/thermal/thermal_core.c mutex_lock(&poweroff_lock); poweroff_lock 408 drivers/thermal/thermal_core.c mutex_unlock(&poweroff_lock); poweroff_lock 1601 drivers/thermal/thermal_core.c mutex_init(&poweroff_lock); poweroff_lock 1636 drivers/thermal/thermal_core.c mutex_destroy(&poweroff_lock);