CONFIG_SERIAL_8250_EXTENDED: Extended 8250/16550 serial driver options

General informations

The Linux kernel configuration item CONFIG_SERIAL_8250_EXTENDED has multiple definitions:

Extended 8250/16550 serial driver options found in drivers/tty/serial/8250/Kconfig

The configuration item CONFIG_SERIAL_8250_EXTENDED:

• prompt: Extended 8250/16550 serial driver options
• type: bool
• depends on: CONFIG_SERIAL_8250
• defined in drivers/tty/serial/8250/Kconfig
• found in Linux kernels: 3.3–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12

Help text

If you wish to use any non-standard features of the standard "dumb" driver, say Y here. This includes HUB6 support, shared serial interrupts, special multiport support, support for more than the four COM 1/2/3/4 boards, etc.

Note that the answer to this question won't directly affect the kernel: saying N will just cause the configurator to skip all the questions about serial driver options. If unsure, say N.

Extended 8250/16550 serial driver options found in drivers/tty/serial/Kconfig

The configuration item CONFIG_SERIAL_8250_EXTENDED:

• prompt: Extended 8250/16550 serial driver options
• type: bool
• depends on: CONFIG_SERIAL_8250
• defined in drivers/tty/serial/Kconfig
• found in Linux kernels: 2.6.38–2.6.39, 3.0–3.2

Help text

If you wish to use any non-standard features of the standard "dumb" driver, say Y here. This includes HUB6 support, shared serial interrupts, special multiport support, support for more than the four COM 1/2/3/4 boards, etc.

Note that the answer to this question won't directly affect the kernel: saying N will just cause the configurator to skip all the questions about serial driver options. If unsure, say N.

Extended 8250/16550 serial driver options found in drivers/serial/Kconfig

The configuration item CONFIG_SERIAL_8250_EXTENDED:

• prompt: Extended 8250/16550 serial driver options
• type: bool
• depends on: CONFIG_SERIAL_8250
• defined in drivers/serial/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.37

Help text

If you wish to use any non-standard features of the standard "dumb" driver, say Y here. This includes HUB6 support, shared serial interrupts, special multiport support, support for more than the four COM 1/2/3/4 boards, etc.

Note that the answer to this question won't directly affect the kernel: saying N will just cause the configurator to skip all the questions about serial driver options. 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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