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Subject[PATCH 05/10] x86: convert GART driver to generic iommu_num_pages function
Date
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
arch/x86/kernel/pci-gart_64.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index cdf1c00..fa313d4 100644
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -238,7 +238,7 @@ nonforced_iommu(struct device *dev, unsigned long addr, size_t size)
static dma_addr_t dma_map_area(struct device *dev, dma_addr_t phys_mem,
size_t size, int dir)
{
- unsigned long npages = iommu_nr_pages(phys_mem, size);
+ unsigned long npages = iommu_num_pages(phys_mem, size, PAGE_SIZE);
unsigned long iommu_page = alloc_iommu(dev, npages);
int i;

@@ -301,7 +301,7 @@ static void gart_unmap_single(struct device *dev, dma_addr_t dma_addr,
return;

iommu_page = (dma_addr - iommu_bus_base)>>PAGE_SHIFT;
- npages = iommu_nr_pages(dma_addr, size);
+ npages = iommu_num_pages(dma_addr, size, PAGE_SIZE);
for (i = 0; i < npages; i++) {
iommu_gatt_base[iommu_page + i] = gart_unmapped_entry;
CLEAR_LEAK(iommu_page + i);
@@ -384,7 +384,7 @@ static int __dma_map_cont(struct device *dev, struct scatterlist *start,
}

addr = phys_addr;
- pages = iommu_nr_pages(s->offset, s->length);
+ pages = iommu_num_pages(s->offset, s->length, PAGE_SIZE);
while (pages--) {
iommu_gatt_base[iommu_page] = GPTE_ENCODE(addr);
SET_LEAK(iommu_page);
@@ -467,7 +467,7 @@ gart_map_sg(struct device *dev, struct scatterlist *sg, int nents, int dir)

seg_size += s->length;
need = nextneed;
- pages += iommu_nr_pages(s->offset, s->length);
+ pages += iommu_num_pages(s->offset, s->length, PAGE_SIZE);
ps = s;
}
if (dma_map_cont(dev, start_sg, i - start, sgmap, pages, need) < 0)
--
1.5.3.7



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