CONFIG_ETRAX_SERIAL_PORT0_NO_DMA_IN is not available for thedefaultarchitecture x86.
Result is shown for architecture cris
default or selected kernelversion does not have config value CONFIG_ETRAX_SERIAL_PORT0_NO_DMA_IN.
Result is shown for kernelversion 6.7-rc3
Ser0 uses no DMA for input
configname: CONFIG_ETRAX_SERIAL_PORT0_NO_DMA_IN
Ser0 DMA in channel
└─>Ser0 uses no DMA for input
In linux kernel since version 2.6.13 (release Date: 2005-08-28)
Do not use DMA for ser0 input.