intel-iommu: Change dma_addr_level_pte() to dma_pfn_level_pte()
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 529c1c1..edd39d3 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -740,8 +740,9 @@
}
/* return address's pte at specific level */
-static struct dma_pte *dma_addr_level_pte(struct dmar_domain *domain, u64 addr,
- int level)
+static struct dma_pte *dma_pfn_level_pte(struct dmar_domain *domain,
+ unsigned long pfn,
+ int level)
{
struct dma_pte *parent, *pte = NULL;
int total = agaw_to_level(domain->agaw);
@@ -749,7 +750,7 @@
parent = domain->pgd;
while (level <= total) {
- offset = pfn_level_offset(addr >> VTD_PAGE_SHIFT, total);
+ offset = pfn_level_offset(pfn, total);
pte = &parent[offset];
if (level == total)
return pte;
@@ -768,7 +769,7 @@
struct dma_pte *pte = NULL;
/* get last level pte */
- pte = dma_addr_level_pte(domain, addr, 1);
+ pte = dma_pfn_level_pte(domain, addr >> VTD_PAGE_SHIFT, 1);
if (pte) {
dma_clear_pte(pte);
@@ -817,7 +818,8 @@
return;
while (tmp < end) {
- pte = dma_addr_level_pte(domain, tmp, level);
+ pte = dma_pfn_level_pte(domain, tmp >> VTD_PAGE_SHIFT,
+ level);
if (pte) {
free_pgtable_page(
phys_to_virt(dma_pte_addr(pte)));