/* dma_region_init - clear out all fields but do not allocate anything  */
void dma_region_init(struct dma_region *dma)
/* dma_region_init - clear out all fields but do not allocate anything  */
void dma_region_init(struct dma_region *dma)
{
	dma->kvirt = NULL;
	dma->dev = NULL;
	dma->n_pages = 0;
	dma->n_dma_pages = 0;
	dma->sglist = NULL;
}