Maximum number of 8250/16550 serial ports
configname: CONFIG_SERIAL_8250_NR_UARTS
Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>Maximum number of 8250/16550 serial ports
In linux kernel since version 2.6.20 (release Date: 2007-02-04)
Set this to the number of serial ports you want the driver
to support. This includes any ports discovered via ACPI or
PCI enumeration and any ports that may be added at run-time
via hot-plug, or any ISA multi-port serial cards.
to support. This includes any ports discovered via ACPI or
PCI enumeration and any ports that may be added at run-time
via hot-plug, or any ISA multi-port serial cards.