Commits
Merge tag 'dma-mapping-4.18-2' of git://git.infradead.org/users/hch/dma-mapping Pull dma mapping fixlet from Christoph Hellwig: "Add a missing export required by riscv and unicore" * tag 'dma-mapping-4.18-2' of git://git.infradead.org/users/hch/dma-mapping: swiotlb: export swiotlb_dma_ops