CONFIG_CONFIG_ETRAX_SERIAL_PORT1_DMA8_OUT 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_PORT1_DMA8_OUT.
Result is shown for kernelversion 5.4.123

DMA 8

configname: CONFIG_CONFIG_ETRAX_SERIAL_PORT1_DMA8_OUT

Ser1 DMA out assignment
└─>DMA 8
In linux kernel since version 2.6.12