On Wed, Mar 30, 2016 at 05:39:51PM +0200, Boris Brezillon wrote: > sg_alloc_table_from_buf() provides an easy solution to create an sg_table > from a virtual address pointer. This function takes care of dealing with > vmallocated buffers, buffer alignment, or DMA engine limitations (maximum > DMA transfer size). This seems nice. Should we also have a further helper on top of this which will get constraints from a dmaengine, it seems like it'd be a common need?
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