amd-iommu: disable IOMMU hardware on shutdown

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When the IOMMU stays enabled the BIOS may not be able to finish the
machine shutdown properly. So disable the hardware on shutdown.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

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This commit is contained in:

Joerg Roedel 2009-06-09 17:52:27 +02:00

parent 92db1e6af7

commit 0975904276

3 changed files with 9 additions and 0 deletions

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2

arch/x86/include/asm/amd_iommu.h

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5

arch/x86/kernel/amd_iommu_init.c

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2

arch/x86/kernel/pci-dma.c

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