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-rw-r--r--arch/x86/kernel/amd_iommu.c8
-rw-r--r--arch/x86/kernel/pci-dma.c4
-rw-r--r--arch/x86/kernel/pci-gart_64.c8
-rw-r--r--include/asm-x86/iommu.h2
4 files changed, 11 insertions, 11 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 34e4d112b1ef..10646acba9be 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -295,7 +295,7 @@ static int iommu_flush_pages(struct amd_iommu *iommu, u16 domid,
295 u64 address, size_t size) 295 u64 address, size_t size)
296{ 296{
297 int s = 0; 297 int s = 0;
298 unsigned pages = iommu_num_pages(address, size); 298 unsigned pages = iommu_nr_pages(address, size);
299 299
300 address &= PAGE_MASK; 300 address &= PAGE_MASK;
301 301
@@ -679,7 +679,7 @@ static struct dma_ops_domain *dma_ops_domain_alloc(struct amd_iommu *iommu,
679 if (iommu->exclusion_start && 679 if (iommu->exclusion_start &&
680 iommu->exclusion_start < dma_dom->aperture_size) { 680 iommu->exclusion_start < dma_dom->aperture_size) {
681 unsigned long startpage = iommu->exclusion_start >> PAGE_SHIFT; 681 unsigned long startpage = iommu->exclusion_start >> PAGE_SHIFT;
682 int pages = iommu_num_pages(iommu->exclusion_start, 682 int pages = iommu_nr_pages(iommu->exclusion_start,
683 iommu->exclusion_length); 683 iommu->exclusion_length);
684 dma_ops_reserve_addresses(dma_dom, startpage, pages); 684 dma_ops_reserve_addresses(dma_dom, startpage, pages);
685 } 685 }
@@ -935,7 +935,7 @@ static dma_addr_t __map_single(struct device *dev,
935 unsigned long align_mask = 0; 935 unsigned long align_mask = 0;
936 int i; 936 int i;
937 937
938 pages = iommu_num_pages(paddr, size); 938 pages = iommu_nr_pages(paddr, size);
939 paddr &= PAGE_MASK; 939 paddr &= PAGE_MASK;
940 940
941 if (align) 941 if (align)
@@ -980,7 +980,7 @@ static void __unmap_single(struct amd_iommu *iommu,
980 if ((dma_addr == 0) || (dma_addr + size > dma_dom->aperture_size)) 980 if ((dma_addr == 0) || (dma_addr + size > dma_dom->aperture_size))
981 return; 981 return;
982 982
983 pages = iommu_num_pages(dma_addr, size); 983 pages = iommu_nr_pages(dma_addr, size);
984 dma_addr &= PAGE_MASK; 984 dma_addr &= PAGE_MASK;
985 start = dma_addr; 985 start = dma_addr;
986 986
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 0a3824e837b4..192624820217 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -125,13 +125,13 @@ void __init pci_iommu_alloc(void)
125 pci_swiotlb_init(); 125 pci_swiotlb_init();
126} 126}
127 127
128unsigned long iommu_num_pages(unsigned long addr, unsigned long len) 128unsigned long iommu_nr_pages(unsigned long addr, unsigned long len)
129{ 129{
130 unsigned long size = roundup((addr & ~PAGE_MASK) + len, PAGE_SIZE); 130 unsigned long size = roundup((addr & ~PAGE_MASK) + len, PAGE_SIZE);
131 131
132 return size >> PAGE_SHIFT; 132 return size >> PAGE_SHIFT;
133} 133}
134EXPORT_SYMBOL(iommu_num_pages); 134EXPORT_SYMBOL(iommu_nr_pages);
135#endif 135#endif
136 136
137void *dma_generic_alloc_coherent(struct device *dev, size_t size, 137void *dma_generic_alloc_coherent(struct device *dev, size_t size,
diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index 145f1c83369f..14f1b41348fd 100644
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -231,7 +231,7 @@ nonforced_iommu(struct device *dev, unsigned long addr, size_t size)
231static dma_addr_t dma_map_area(struct device *dev, dma_addr_t phys_mem, 231static dma_addr_t dma_map_area(struct device *dev, dma_addr_t phys_mem,
232 size_t size, int dir, unsigned long align_mask) 232 size_t size, int dir, unsigned long align_mask)
233{ 233{
234 unsigned long npages = iommu_num_pages(phys_mem, size); 234 unsigned long npages = iommu_nr_pages(phys_mem, size);
235 unsigned long iommu_page = alloc_iommu(dev, npages, align_mask); 235 unsigned long iommu_page = alloc_iommu(dev, npages, align_mask);
236 int i; 236 int i;
237 237
@@ -285,7 +285,7 @@ static void gart_unmap_single(struct device *dev, dma_addr_t dma_addr,
285 return; 285 return;
286 286
287 iommu_page = (dma_addr - iommu_bus_base)>>PAGE_SHIFT; 287 iommu_page = (dma_addr - iommu_bus_base)>>PAGE_SHIFT;
288 npages = iommu_num_pages(dma_addr, size); 288 npages = iommu_nr_pages(dma_addr, size);
289 for (i = 0; i < npages; i++) { 289 for (i = 0; i < npages; i++) {
290 iommu_gatt_base[iommu_page + i] = gart_unmapped_entry; 290 iommu_gatt_base[iommu_page + i] = gart_unmapped_entry;
291 CLEAR_LEAK(iommu_page + i); 291 CLEAR_LEAK(iommu_page + i);
@@ -368,7 +368,7 @@ static int __dma_map_cont(struct device *dev, struct scatterlist *start,
368 } 368 }
369 369
370 addr = phys_addr; 370 addr = phys_addr;
371 pages = iommu_num_pages(s->offset, s->length); 371 pages = iommu_nr_pages(s->offset, s->length);
372 while (pages--) { 372 while (pages--) {
373 iommu_gatt_base[iommu_page] = GPTE_ENCODE(addr); 373 iommu_gatt_base[iommu_page] = GPTE_ENCODE(addr);
374 SET_LEAK(iommu_page); 374 SET_LEAK(iommu_page);
@@ -451,7 +451,7 @@ gart_map_sg(struct device *dev, struct scatterlist *sg, int nents, int dir)
451 451
452 seg_size += s->length; 452 seg_size += s->length;
453 need = nextneed; 453 need = nextneed;
454 pages += iommu_num_pages(s->offset, s->length); 454 pages += iommu_nr_pages(s->offset, s->length);
455 ps = s; 455 ps = s;
456 } 456 }
457 if (dma_map_cont(dev, start_sg, i - start, sgmap, pages, need) < 0) 457 if (dma_map_cont(dev, start_sg, i - start, sgmap, pages, need) < 0)
diff --git a/include/asm-x86/iommu.h b/include/asm-x86/iommu.h
index 546ad3110fea..961e746da977 100644
--- a/include/asm-x86/iommu.h
+++ b/include/asm-x86/iommu.h
@@ -8,7 +8,7 @@ extern int force_iommu, no_iommu;
8extern int iommu_detected; 8extern int iommu_detected;
9extern int dmar_disabled; 9extern int dmar_disabled;
10 10
11extern unsigned long iommu_num_pages(unsigned long addr, unsigned long len); 11extern unsigned long iommu_nr_pages(unsigned long addr, unsigned long len);
12 12
13#ifdef CONFIG_GART_IOMMU 13#ifdef CONFIG_GART_IOMMU
14extern int gart_iommu_aperture; 14extern int gart_iommu_aperture;