Re: [PATCHv8 04/10] ARM: dma-mapping: remove offset parameter to prepare for generic dma_ops

[Arnd Bergmann <arnd@xxxxxxxx>]

On Tuesday 10 April 2012, Marek Szyprowski wrote:
> This patch removes the need for offset parameter in dma bounce
> functions. This is required to let dma-mapping framework on ARM
> architecture use common, generic dma-mapping helpers.
> 
> Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> Acked-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>

This one worries me a little. I always thought that the range sync 
functions were specifically needed for the dmabounce code. At the
very least, I would expect the changeset comment to have an explanation
of why this was initially done this way and why it's now safe to do
do it otherwise.

	Arnd
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