cdns_uart_console_putchar(9)
π cdns_uart_console_putchar(9) π
okay bestie, welcome to the Kernel API Manual β yes we're doing kernel docs today, and honestly? iconic of you.
β¨ NAME β¨
cdns_uart_console_putchar β literally just writes the character to the FIFO buffer π
πΈ SYNOPSIS πΈ
void cdns_uart_console_putchar (struct uart_port *port , unsigned char
ch );
it's giving "void function, no return value, we just vibe and put the char" π
π¦ ARGUMENTS π¦
portβ handle to the uart port structure, aka the whole context babe, this is your main characterchβ the character to be written, the lil guy going into the FIFO π
π SEE ALSO π
bestie, the whole friend group, no cap β from the kernel file ./drivers/tty/serial/xilinx_uartps.c:
struct cdns_uart(9)cdns_uart_handle_rx(9)cdns_rts_gpio_enable(9)cdns_rs485_tx_setup(9)cdns_rs485_rx_setup(9)cdns_uart_tx_empty(9)cdns_rs485_rx_callback(9)cdns_calc_after_tx_delay(9)cdns_uart_handle_tx(9)cdns_uart_isr(9)cdns_uart_calc_baud_divs(9)cdns_uart_set_baud_rate(9)cdns_uart_clk_notifier_cb(9)cdns_rs485_tx_callback(9)cdns_uart_start_tx(9)cdns_uart_stop_tx(9)cdns_uart_stop_rx(9)cdns_uart_break_ctl(9)cdns_uart_set_termios(9)cdns_uart_startup(9)cdns_uart_shutdown(9)cdns_uart_type(9)cdns_uart_verify_port(9)cdns_uart_request_port(9)cdns_uart_release_port(9)cdns_uart_config_port(9)cdns_uart_get_mctrl(9)cdns_uart_console_write(9)cdns_uart_console_setup(9)cdns_uart_suspend(9)cdns_uart_resume(9)cdns_rs485_config(9)cdns_uart_probe(9)cdns_uart_remove(9)
and that's the whole squad π«Ά directory vibes: ./drivers/tty/serial β dated October 2026, manual name cdns_uart_console_putchar(9).
okay that's it, go put a character in a FIFO, slay πβ¨
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms