CONFIG_S3C2412_DMA is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
CONFIG_S3C2412_DMA (not configurable)
modulename: dma.ko
configname: CONFIG_S3C2412_DMA
Linux Kernel Configuration
└─>S3C2412_DMA
In linux kernel since version 2.6.21 (release Date: 2007-04-25)
Internal config node for S3C2412 DMA support