CONFIG_G2_DMA is not available for thedefaultarchitecture x86.
Result is shown for architecture sh

G2 Bus DMA support

modulename: dma-g2.ko

configname: CONFIG_G2_DMA

Linux Kernel Configuration
└─>DMA support
└─>G2 Bus DMA support
In linux kernel since version 2.6.30 (release Date: 2009-06-09)  
This enables support for the DMA controller for the Dreamcast's
G2 bus. Drivers that want this will generally enable this on
their own.

If in doubt, say N.

source code:


is depended by
CONFIG_SND_AICA