cdns_uart_stop_tx(9)

💅 cdns_uart_stop_tx — the Kernel API Manual entry, bestie edition 🎀

okay so picture this: you're deep in the kernel, you're in Kernel API Manual territory, and this lil function is the one that says "TX? we're done here." That's the whole vibe. Let's get into it ✨

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🌸 NAME 🌸

cdns_uart_stop_tx — literally just Stop TX. That's it. That's the name. Short, sweet, iconic. 💅

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🦋 SYNOPSIS 🦋

void cdns_uart_stop_tx (struct uart_port *port );

no cap, that's the whole signature — void in, void out, one argument, zero drama. 🫶

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💖 ARGUMENTS 💖

• port — the handle to the uart port structure 🎀 this is your main character pointer, bestie, hand it over and it knows which port we're stopping TX on.

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👑 SEE ALSO 👑

this is the whole friend group, fr fr — the kernel file itself plus every sibling function that lives in the same orbit. iykyk 💜

• 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_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_putchar(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)

like, look at that list. thirty-four entries. ate and left no crumbs 🔥

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🌈 quick vibe check: this page is cdns_uart_stop_tx(9) from the Kernel API Manual, it lives under ./drivers/tty/serial, and it's dated October 2026. slay. 💀✨

and that's the page bestie — go stop some TX, you got this 🧚💜