[PATCH 1/8] lib/scatterlist: add sg_set_dma_addr() helper

[Christoph Hellwig]

On Sun, Mar 25, 2018 at 12:59:53PM +0200, Christian König wrote:
> Use this function to set an sg entry to point to device resources mapped
> using dma_map_resource(). The page pointer is set to NULL and only the DMA
> address, length and offset values are valid.

NAK.  Please provide a higher level primitive.

Btw, you series seems to miss a cover letter.