From: Dan Williams <dan.j.williams@intel.com>
Date: Wed, 9 Sep 2009 00:53:04 +0000 (-0700)
Subject: dmaengine: kill tx_list
X-Git-Tag: v2.6.32-rc1~60^2^2~13^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0803172778901e24a75ab074798d98c2b7411559;p=pandora-kernel.git

dmaengine: kill tx_list

The tx_list attribute of struct dma_async_tx_descriptor is common to
most, but not all dma driver implementations.  None of the upper level
code (dmaengine/async_tx) uses it, so allow drivers to implement it
locally if they need it.  This saves sizeof(struct list_head) bytes for
drivers that do not manage descriptors with a linked list (e.g.: ioatdma
v2,3).

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---

Reading git-diff-tree failed