CONFIG_SERIAL_8250_RUNTIME_UARTS: Number of 8250/16550 serial ports to register at runtime

General informations

The Linux kernel configuration item CONFIG_SERIAL_8250_RUNTIME_UARTS has multiple definitions:

Number of 8250/16550 serial ports to register at runtime found in drivers/tty/serial/8250/Kconfig

The configuration item CONFIG_SERIAL_8250_RUNTIME_UARTS:

• prompt: Number of 8250/16550 serial ports to register at runtime
• type: int
• 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, 6.0–6.8, 6.9-rc+HEAD

Help text

Set this to the maximum number of serial ports you want the kernel to register at boot time. This can be overridden with the module parameter "nr_uarts", or boot-time parameter 8250.nr_uarts

Number of 8250/16550 serial ports to register at runtime found in drivers/tty/serial/Kconfig

The configuration item CONFIG_SERIAL_8250_RUNTIME_UARTS:

• prompt: Number of 8250/16550 serial ports to register at runtime
• type: int
• 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

Set this to the maximum number of serial ports you want the kernel to register at boot time. This can be overridden with the module parameter "nr_uarts", or boot-time parameter 8250.nr_uarts

Number of 8250/16550 serial ports to register at runtime found in drivers/serial/Kconfig

The configuration item CONFIG_SERIAL_8250_RUNTIME_UARTS:

• prompt: Number of 8250/16550 serial ports to register at runtime
• type: int
• depends on: CONFIG_SERIAL_8250
• defined in drivers/serial/Kconfig
• found in Linux kernels: 2.6.16–2.6.37

Help text

Set this to the maximum number of serial ports you want the kernel to register at boot time. This can be overridden with the module parameter "nr_uarts", or boot-time parameter 8250.nr_uarts

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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