CONFIG_DMA_UNCACHED_NONE is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_DMA_UNCACHED_NONE.
Result is shown for kernelversion 6.7-rc3
Disable DMA region
configname: CONFIG_DMA_UNCACHED_NONE
Uncached DMA region
└─>Disable DMA region