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iommu/amd: Split amd_iommu_init function

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The hardware-initializtion part of the AMD IOMMU driver is
split out into a seperate function. This function can now be
called either from amd_iommu_init() itself or any other
place if the hardware needs to be ready earlier. This will
be used to implement interrupt remapping for AMD.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
This commit is contained in:
Joerg Roedel 2012-03-01 15:57:53 +01:00
parent 6b21d18ed5
commit 8704a1ba47
2 changed files with 80 additions and 45 deletions
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2
include/linux/amd-iommu.h
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@ -28,7 +28,7 @@ struct task_struct;
struct pci_dev;
extern int amd_iommu_detect(void);
extern int amd_iommu_init_hardware(void);
/**
* amd_iommu_enable_device_erratum() - Enable erratum workaround for device