CONFIG_S3C2440_DMA is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
CONFIG_S3C2440_DMA (not configurable)
modulename: dma-s3c2440.ko
and/ordma.ko
configname: CONFIG_S3C2440_DMA
Linux Kernel Configuration
└─>S3C2440_DMA
In linux kernel since version 2.6.21 (release Date: 2007-04-25)
Support for S3C2440 specific DMA code5A