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x86m AMD IOMMU: cleanup: replace LOW_U32 macro with generic lower_32_bits 

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Joerg Roedel 2008-08-14 19:55:17 +02:00 committed by Ingo Molnar
parent 9f5f5fb35d
commit 8a456695c5
2 changed files with 1 additions and 4 deletions
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2
arch/x86/kernel/amd_iommu.c
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@ -164,7 +164,7 @@ static int iommu_queue_inv_iommu_pages(struct amd_iommu *iommu,
address &= PAGE_MASK;
CMD_SET_TYPE(&cmd, CMD_INV_IOMMU_PAGES);
cmd.data[1] |= domid;
cmd.data[2] = LOW_U32(address);
cmd.data[2] = lower_32_bits(address);
cmd.data[3] = upper_32_bits(address);
if (s) /* size bit - we flush more than one 4kb page */
cmd.data[2] |= CMD_INV_IOMMU_PAGES_SIZE_MASK;

3
include/asm-x86/amd_iommu_types.h
View File

@ -31,9 +31,6 @@
#define ALIAS_TABLE_ENTRY_SIZE 2
#define RLOOKUP_TABLE_ENTRY_SIZE (sizeof(void *))
/* helper macros */
#define LOW_U32(x) ((x) & ((1ULL << 32)-1))
/* Length of the MMIO region for the AMD IOMMU */
#define MMIO_REGION_LENGTH 0x4000