CONFIG_SERIAL_8250_DETECT_IRQ: Autodetect IRQ on standard ports (unsafe)

General informations

The Linux kernel configuration item CONFIG_SERIAL_8250_DETECT_IRQ has multiple definitions:

Autodetect IRQ on standard ports (unsafe) found in drivers/tty/serial/8250/Kconfig

The configuration item CONFIG_SERIAL_8250_DETECT_IRQ:

• prompt: Autodetect IRQ on standard ports (unsafe)
• type: bool
• depends on: CONFIG_SERIAL_8250_EXTENDED
• defined in drivers/tty/serial/8250/Kconfig
• found in Linux kernels: 3.3–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.11

Help text

Say Y here if you want the kernel to try to guess which IRQ to use for your serial port.

This is considered unsafe; it is far better to configure the IRQ in a boot script using the setserial command.

If unsure, say N.

Autodetect IRQ on standard ports (unsafe) found in drivers/tty/serial/Kconfig

The configuration item CONFIG_SERIAL_8250_DETECT_IRQ:

• prompt: Autodetect IRQ on standard ports (unsafe)
• type: bool
• depends on: CONFIG_SERIAL_8250_EXTENDED
• defined in drivers/tty/serial/Kconfig
• found in Linux kernels: 2.6.38–2.6.39, 3.0–3.2

Help text

Say Y here if you want the kernel to try to guess which IRQ to use for your serial port.

This is considered unsafe; it is far better to configure the IRQ in a boot script using the setserial command.

If unsure, say N.

Autodetect IRQ on standard ports (unsafe) found in drivers/serial/Kconfig

The configuration item CONFIG_SERIAL_8250_DETECT_IRQ:

• prompt: Autodetect IRQ on standard ports (unsafe)
• type: bool
• depends on: CONFIG_SERIAL_8250_EXTENDED
• defined in drivers/serial/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.37

Help text

Say Y here if you want the kernel to try to guess which IRQ to use for your serial port.

This is considered unsafe; it is far better to configure the IRQ in a boot script using the setserial command.

If unsure, say N.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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