Chapter 7. 16x50 UART Driver

Table of Contents

uart_update_timeout — update per-port FIFO timeout.

uart_get_baud_rate — return baud rate for a particular port

uart_get_divisor — return uart clock divisor

uart_console_write — write a console message to a serial port

uart_parse_earlycon — Parse earlycon options

uart_parse_options — Parse serial port baud/parity/bits/flow control.

uart_set_options — setup the serial console parameters

uart_register_driver — register a driver with the uart core layer

uart_unregister_driver — remove a driver from the uart core layer

uart_add_one_port — attach a driver-defined port structure

uart_remove_one_port — detach a driver defined port structure

uart_handle_dcd_change — handle a change of carrier detect state

uart_handle_cts_change — handle a change of clear-to-send state

uart_insert_char — push a char to the uart layer

serial8250_get_port — retrieve struct uart_8250_port

serial8250_suspend_port — suspend one serial port

serial8250_resume_port — resume one serial port

serial8250_register_8250_port — register a serial port

serial8250_unregister_port — remove a 16x50 serial port at runtime