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x86: amd_iommu: Convert amd_iommu_detect() to use iommu_init hook

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This changes amd_iommu_detect() to set amd_iommu_init to
iommu_init hook if amd_iommu_detect() finds the AMD IOMMU.

We can kill the code to check if we found the IOMMU in
amd_iommu_init() since amd_iommu_detect() sets amd_iommu_init()
only when it found the IOMMU.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: chrisw@sous-sol.org
Cc: dwmw2@infradead.org
Cc: joerg.roedel@amd.com
Cc: muli@il.ibm.com
LKML-Reference: <1257849980-22640-5-git-send-email-fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
FUJITA Tomonori
2009-11-10 19:46:15 +09:00
committed by Ingo Molnar
parent de957628ce
commit ea1b0d3945
3 changed files with 3 additions and 18 deletions
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2
arch/x86/kernel/pci-dma.c
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@@ -296,8 +296,6 @@ static int __init pci_iommu_init(void)
intel_iommu_init();
amd_iommu_init();
no_iommu_init();
return 0;
}