cdns_uart_isr(9)

💖 cdns_uart_isr(9) 💖 — from the Kernel API Manual

Okay bestie, gather round: this is the cdns_uart_isr(9) page from the Kernel API Manual, and it is literally all about the interrupt handler. No cap, it’s a short one, so let’s get into it. ✨

🌸 NAME 🌸

cdns_uart_isr — Interrupt handler. That’s the whole assignment. 💅

🦋 SYNOPSIS 🦋

irqreturn_t cdns_uart_isr (int irq , void *dev_id );

🎀 ARGUMENTS 🎀

• irq — Irq number. Yep, the IRQ number. 👑
• dev_id — Id of the port. That’s the port’s ID, bestie. 🫶

⭐ RETURN ⭐

IRQHANDLED — it returns IRQHANDLED, periodt. 💖

💀 SEE ALSO 💀

Not me dropping the entire linked-up friend group — every single one stays:

• Kernel file ./drivers/tty/serial/xilinx_uartps.c struct cdns_uart(9) — the kernel file plus the struct cdns_uart(9) reference, exactly as listed. iykyk.
• 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_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_probe(9)
• cdns_uart_remove(9)

Catch you in the footer, bestie: source/version ./drivers/tty/serial, dated October 2026, page cdns_uart_isr(9) — bye! 💋