mux_start_tx(9)

💖 mux_start_tx(9) 💖

okay so bestie, welcome to the Kernel API Manual page for mux_start_tx(9). group-chat summary: it’s about starting to transmit characters, and the Serial Mux is very much not about it. iykyk 💅

✨ NAME ✨

mux_start_tx — start transmitting characters. periodt. 💖

🎀 SYNOPSIS 🎀

void mux_start_tx (struct uart_port *port );

🌸 ARGUMENTS 🌸

• port — ptr to the uart_port. like, that’s the pointer bestie, no cap. 🫶

🦋 DESCRIPTION 🦋

real talk: the Serial Mux does not support this function. not even a little. that’s the whole tea. 🫖

🔥 SEE ALSO 🔥

go peek at the kernel file ./drivers/tty/serial/mux.c and these iconique friends:

• get_mux_port_count(9)
• mux_tx_empty(9)
• mux_set_mctrl(9)
• mux_get_mctrl(9)
• mux_stop_tx(9)
• mux_stop_rx(9)
• mux_break_ctl(9)
• mux_write(9)
• mux_read(9)
• mux_startup(9)
• mux_shutdown(9)
• mux_set_termios(9)
• mux_type(9)
• mux_release_port(9)
• mux_request_port(9)
• mux_config_port(9)
• mux_verify_port(9)
• mux_poll(9)
• mux_probe(9)
• mux_init(9)
• mux_exit(9)

xoxo, source/version vibes: ./drivers/tty/serial · date: October 2026 💋💖