bt_dev_warn 522 drivers/bluetooth/btmtksdio.c bt_dev_warn(bdev->hdev, "Tx fifo overflow"); bt_dev_warn 11 drivers/bluetooth/btrtl.h #define rtl_dev_warn(dev, fmt, ...) bt_dev_warn(dev, "RTL: " fmt, ##__VA_ARGS__) bt_dev_warn 495 drivers/bluetooth/hci_ll.c bt_dev_warn(lldev->hu.hdev,