CONFIG_CONFIG_ETRAX_SERIAL_PORT3_DMA4_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_PORT3_DMA4_OUT.
Result is shown for kernelversion 5.4.123
DMA 4
configname: CONFIG_CONFIG_ETRAX_SERIAL_PORT3_DMA4_OUT
Ser3 DMA out assignment
└─>DMA 4