cdns_uart_probe(9)

💅 cdns_uart_probe(9) 💅

okay bestie, welcome to the Kernel API Manual — this one's a lil page about cdns_uart_probe, which is literally the platform driver probe. yes. that probe. the "hey kernel, i exist, pls set me up" moment. 🎀

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✨ NAME ✨

cdns_uart_probe — Platform driver probe 🫶

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✨ SYNOPSIS ✨

int cdns_uart_probe (struct platform_device *pdev );

like, that's the whole signature. short, sweet, iconic. 👑

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🌸 ARGUMENTS 🌸

• pdev — Pointer to the platform device structure. that's it, that's the whole argument list. it's giving "one (1) job and she ate" 💅

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⭐ RETURN ⭐

• 0 on success — slay, we're probed ✨
• negative errno otherwise — not slay, something went sideways 😭

fr fr, check that return value. 0 means happy path, negative errno means go read the error and deal with it. no cap.

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🦋 SEE ALSO 🦋

the whole friend group, in the exact order the manpage says (iykyk, alphabetiC? no. vibes order. do not rearrange 💀):

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_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_remove(9)

like, that's the entire roster. every single one. we do not leave a single (9) behind in this house 🏠💖

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lowkey obsessed with how cdns_uart_probe is the literal main character energy of this file — everything else in the SEE ALSO is basically her supporting cast. 🌈

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and that's the page, bestie! 🧚 source/version: ./drivers/tty/serial — dated October 2026, straight from the Kernel API Manual 💜 go forth and probe responsibly ✨🎀