ark3116_read_reg 347 drivers/usb/serial/ark3116.c ark3116_read_reg(serial, UART_RX, buf); ark3116_read_reg 350 drivers/usb/serial/ark3116.c result = ark3116_read_reg(serial, UART_MSR, buf); ark3116_read_reg 356 drivers/usb/serial/ark3116.c result = ark3116_read_reg(serial, UART_LSR, buf);