From: Linas Vepstas <linas@austin.ibm.com>
Date: Wed, 13 Dec 2006 21:06:59 +0000 (-0600)
Subject: Spidernet DMA coalescing
X-Git-Tag: v2.6.21-rc1~92^2~31^2~89
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d4ed8f8d1fb7d59eb63d2eada9a32c2f8c3795e2;p=pandora-kernel.git

Spidernet DMA coalescing

The current driver code performs 512 DMA mappings of a bunch of
32-byte ring descriptor structures. This is silly, as they are
all in contiguous memory. This patch changes the code to
dma_map_coherent() each rx/tx ring as a whole.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Cc: James K Lewis <jklewis@us.ibm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---

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