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_ETRAX_SERIAL_PORT1_DMA8_OUT.
Result is shown for kernelversion 6.7-rc3

Ser1 uses DMA8 for output

configname: CONFIG_ETRAX_SERIAL_PORT1_DMA8_OUT

Ser1 DMA out channel
└─>Ser1 uses DMA8 for output
In linux kernel since version 2.6.13 (release Date: 2005-08-28)