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

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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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Michael Ellerman 2008-02-08 16:37:03 +11:00 • committed by Paul Mackerras

parent ccd05d086f

commit 0e0b47abb7

1 changed files with 12 additions and 0 deletions

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arch/powerpc/platforms/cell/iommu.c

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