CONFIG_ETRAX_SERIAL_PORT3_NO_DMA_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_PORT3_NO_DMA_OUT.
Result is shown for kernelversion 6.7-rc3
Ser3 uses no DMA for output
configname: CONFIG_ETRAX_SERIAL_PORT3_NO_DMA_OUT
Ser3 DMA out channel
└─>Ser3 uses no DMA for output
In linux kernel since version 2.6.13 (release Date: 2005-08-28)
Do not use DMA for ser3 output.