[PATCH 06/10] x86, AMD IOMMU: convert driver to generic iommu_num_pages function

From: Joerg Roedel
Date: Mon Aug 04 2008 - 12:07:44 EST


Signed-off-by: Joerg Roedel <joerg.roedel@xxxxxxx>
---
arch/x86/kernel/amd_iommu.c | 11 ++++++-----
1 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index f211341..108e003 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -182,7 +182,7 @@ static int iommu_flush_pages(struct amd_iommu *iommu, u16 domid,
u64 address, size_t size)
{
int s = 0;
- unsigned pages = iommu_nr_pages(address, size);
+ unsigned pages = iommu_num_pages(address, size, PAGE_SIZE);

address &= PAGE_MASK;

@@ -554,8 +554,9 @@ static struct dma_ops_domain *dma_ops_domain_alloc(struct amd_iommu *iommu,
if (iommu->exclusion_start &&
iommu->exclusion_start < dma_dom->aperture_size) {
unsigned long startpage = iommu->exclusion_start >> PAGE_SHIFT;
- int pages = iommu_nr_pages(iommu->exclusion_start,
- iommu->exclusion_length);
+ int pages = iommu_num_pages(iommu->exclusion_start,
+ iommu->exclusion_length,
+ PAGE_SIZE);
dma_ops_reserve_addresses(dma_dom, startpage, pages);
}

@@ -764,7 +765,7 @@ static dma_addr_t __map_single(struct device *dev,
unsigned int pages;
int i;

- pages = iommu_nr_pages(paddr, size);
+ pages = iommu_num_pages(paddr, size, PAGE_SIZE);
paddr &= PAGE_MASK;

address = dma_ops_alloc_addresses(dev, dma_dom, pages);
@@ -799,7 +800,7 @@ static void __unmap_single(struct amd_iommu *iommu,
if ((dma_addr == 0) || (dma_addr + size > dma_dom->aperture_size))
return;

- pages = iommu_nr_pages(dma_addr, size);
+ pages = iommu_num_pages(dma_addr, size, PAGE_SIZE);
dma_addr &= PAGE_MASK;
start = dma_addr;

--
1.5.3.7


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