F81866_IRQ_MODE0 258 drivers/tty/serial/8250/8250_fintek.c sio_write_mask_reg(pdata, F81866_IRQ_MODE, F81866_IRQ_MODE0, F81866_IRQ_MODE0 259 drivers/tty/serial/8250/8250_fintek.c is_level ? 0 : F81866_IRQ_MODE0);