Freescale 16550 UART support

modulename: 8250_fsl.ko

configname: CONFIG_SERIAL_8250_FSL

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>Freescale 16550 UART support
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Selecting this option enables a workaround for a break-detection
erratum for Freescale 16550 UARTs in the 8250 driver. It also
enables support for ACPI enumeration.

source code: