Searched refs:port_write_mutex (Results 1 – 1 of 1) sorted by relevance
24 struct mutex port_write_mutex; member111 mutex_lock(&tpkp->port_write_mutex); in tpk_close()114 mutex_unlock(&tpkp->port_write_mutex); in tpk_close()130 mutex_lock(&tpkp->port_write_mutex); in tpk_write()132 mutex_unlock(&tpkp->port_write_mutex); in tpk_write()182 mutex_init(&tpk_port.port_write_mutex); in ttyprintk_init()