dw_hdma_v0_lli
ptrdiff_t ofs = i * sizeof(struct dw_hdma_v0_lli);
struct dw_hdma_v0_lli *lli = chunk->ll_region.vaddr.mem + ofs;
struct dw_hdma_v0_lli __iomem *lli = chunk->ll_region.vaddr.io + ofs;
ptrdiff_t ofs = i * sizeof(struct dw_hdma_v0_lli);