From: Ira Snyder <iws@ovro.caltech.edu>
Date: Thu, 30 Sep 2010 11:46:44 +0000 (+0000)
Subject: dma: add support for scatterlist to scatterlist copy
X-Git-Tag: v2.6.37-rc1~79^2~6^3~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a86ee03ce6f279ebe581a7a8c0c4393eaeb789ee;p=pandora-kernel.git

dma: add support for scatterlist to scatterlist copy

This adds support for scatterlist to scatterlist DMA transfers. A
similar interface is exposed by the fsldma driver (through the DMA_SLAVE
API) and by the ste_dma40 driver (through an exported function).

This patch paves the way for making this type of copy operation a part
of the generic DMAEngine API. Futher patches will add support in
individual drivers.

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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