MSM UART High Speed: Serial Driver

modulename: msm_serial_hs.ko

configname: CONFIG_SERIAL_MSM_HS

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>MSM UART High Speed: Serial Driver
In linux kernel since version 2.6.39 (release Date: 2011-05-18)  
If you have a machine based on MSM family of SoCs, you
can enable its onboard high speed serial port by enabling
this option.

Choose M here to compile it as a module. The module will be
called msm_serial_hs.

source code: