exchange_lock 227 drivers/nfc/st95hf/core.c struct semaphore exchange_lock; exchange_lock 794 drivers/nfc/st95hf/core.c if (!down_trylock(&stcontext->exchange_lock)) { exchange_lock 795 drivers/nfc/st95hf/core.c up(&stcontext->exchange_lock); exchange_lock 852 drivers/nfc/st95hf/core.c up(&stcontext->exchange_lock); exchange_lock 865 drivers/nfc/st95hf/core.c up(&stcontext->exchange_lock); exchange_lock 966 drivers/nfc/st95hf/core.c rc = down_killable(&stcontext->exchange_lock); exchange_lock 979 drivers/nfc/st95hf/core.c up(&stcontext->exchange_lock); exchange_lock 1191 drivers/nfc/st95hf/core.c sema_init(&st95context->exchange_lock, 1); exchange_lock 1224 drivers/nfc/st95hf/core.c result = down_killable(&stcontext->exchange_lock);