vexpress_config_mutex 20 drivers/bus/vexpress-config.c static DEFINE_MUTEX(vexpress_config_mutex); vexpress_config_mutex 37 drivers/bus/vexpress-config.c mutex_lock(&vexpress_config_mutex); vexpress_config_mutex 42 drivers/bus/vexpress-config.c mutex_unlock(&vexpress_config_mutex);