From: Ira Snyder <iws@ovro.caltech.edu>
Date: Wed, 9 Sep 2009 00:53:04 +0000 (-0700)
Subject: fsldma: Add DMA_SLAVE support
X-Git-Tag: v2.6.32-rc1~60^2^2~13^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bbea0b6e0d214ef1511b9c6ccf3af26b38f0af7d;p=pandora-kernel.git

fsldma: Add DMA_SLAVE support

Use the DMA_SLAVE capability of the DMAEngine API to copy/from a
scatterlist into an arbitrary list of hardware address/length pairs.

This allows a single DMA transaction to copy data from several different
devices into a scatterlist at the same time.

This also adds support to enable some controller-specific features such as
external start and external pause for a DMA transaction.

[dan.j.williams@intel.com: rebased on tx_list movement]
Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Acked-by: Li Yang <leoli@freescale.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---

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