d7s_mutex          29 drivers/sbus/char/display7seg.c static DEFINE_MUTEX(d7s_mutex);
d7s_mutex         113 drivers/sbus/char/display7seg.c 	mutex_lock(&d7s_mutex);
d7s_mutex         151 drivers/sbus/char/display7seg.c 	mutex_unlock(&d7s_mutex);