CONFIG_CONFIG_ETRAX_SERIAL_PORT2_DMA3_IN is not available for thedefaultarchitecture x86.
Result is shown for architecture cris
default or selected kernelversion does not have config value CONFIG_CONFIG_ETRAX_SERIAL_PORT2_DMA3_IN.
Result is shown for kernelversion 5.4.123
DMA 3
configname: CONFIG_CONFIG_ETRAX_SERIAL_PORT2_DMA3_IN
Ser2 DMA in assignment
└─>DMA 3