2010/9/25 Ira W. Snyder <i...@ovro.caltech.edu>:

> This adds support for scatterlist to scatterlist DMA transfers.

This is a good idea, we have a local function to do this in DMA40 already,
stedma40_memcpy_sg().

> This is
> currently hidden behind a configuration option, which will allow drivers
> which need this functionality to select it individually.

Why? Isn't it better to add this as a new capability flag
if you don't want to announce it? Or is the intent to save
memory footprint?

Yours,
Linus Walleij
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