From: Michael Ellerman <michael@ellerman.id.au>
Date: Fri, 8 Feb 2008 05:37:03 +0000 (+1100)
Subject: [POWERPC] Don't enable cell IOMMU fixed mapping if there are no dma-ranges
X-Git-Tag: v2.6.25-rc1~43^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0e0b47abb71a2c4aed5895c01f41827dbd8a981c;p=pandora-kernel.git

[POWERPC] Don't enable cell IOMMU fixed mapping if there are no dma-ranges

In order for the cell IOMMU fixed mapping to work we need "dma-ranges"
properties in the device tree. If there are none then there's no point
enabling the fixed mapping support.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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