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Date: Wed, 30 Mar 2016 09:51:43 -0700
From: Mark Brown <broonie@kernel.org>
To: Boris Brezillon <boris.brezillon@free-electrons.com>
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Subject: Re: [PATCH v2 4/7] scatterlist: add sg_alloc_table_from_buf() helper
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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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