CONFIG_ETRAX_SER4_CD_BIT is not available for thedefaultarchitecture x86.
Result is shown for architecture cris
default or selected kernelversion does not have config value CONFIG_ETRAX_SER4_CD_BIT.
Result is shown for kernelversion 6.2.5

Ser 4 CD bit (empty = not used)

configname: CONFIG_ETRAX_SER4_CD_BIT

Linux Kernel Configuration
└─>Ser 4 CD bit (empty = not used)
In linux kernel since version 2.6.35 (release Date: 2010-08-01)