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Searched refs:map_guard (Results 1 – 2 of 2) sorted by relevance

/linux-4.1.27/drivers/tty/serial/
Ddz.c81 atomic_t map_guard; member
666 int map_guard; in dz_release_port() local
671 map_guard = atomic_add_return(-1, &mux->map_guard); in dz_release_port()
672 if (!map_guard) in dz_release_port()
691 int map_guard; in dz_request_port() local
694 map_guard = atomic_add_return(1, &mux->map_guard); in dz_request_port()
695 if (map_guard == 1) { in dz_request_port()
698 atomic_add(-1, &mux->map_guard); in dz_request_port()
706 map_guard = atomic_add_return(-1, &mux->map_guard); in dz_request_port()
707 if (!map_guard) in dz_request_port()
Dsb1250-duart.c106 atomic_t map_guard; member
657 int map_guard; in sbd_release_port() local
664 map_guard = atomic_add_return(-1, &duart->map_guard); in sbd_release_port()
665 if (!map_guard) in sbd_release_port()
701 int map_guard; in sbd_request_port() local
709 map_guard = atomic_add_return(1, &duart->map_guard); in sbd_request_port()
710 if (map_guard == 1) { in sbd_request_port()
713 atomic_add(-1, &duart->map_guard); in sbd_request_port()
721 map_guard = atomic_add_return(-1, &duart->map_guard); in sbd_request_port()
722 if (!map_guard) in sbd_request_port()