sparc64: use iommu_num_pages function in IOMMU code

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Acked-by: David S. Miller <davem@davemloft.net>
Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Muli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index e244954..34a1fde 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -384,7 +384,7 @@
 		}
 		/* Allocate iommu entries for that segment */
 		paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s);
-		npages = iommu_nr_pages(paddr, slen);
+		npages = iommu_num_pages(paddr, slen, IO_PAGE_SIZE);
 		entry = iommu_range_alloc(dev, iommu, npages, &handle);
 
 		/* Handle failure */
@@ -461,7 +461,8 @@
 			unsigned long vaddr, npages;
 
 			vaddr = s->dma_address & IO_PAGE_MASK;
-			npages = iommu_nr_pages(s->dma_address, s->dma_length);
+			npages = iommu_num_pages(s->dma_address, s->dma_length,
+						 IO_PAGE_SIZE);
 			iommu_range_free(iommu, vaddr, npages);
 			/* XXX demap? XXX */
 			s->dma_address = DMA_ERROR_CODE;
@@ -500,7 +501,7 @@
 
 		if (!len)
 			break;
-		npages = iommu_nr_pages(dma_handle, len);
+		npages = iommu_num_pages(dma_handle, len, IO_PAGE_SIZE);
 		iommu_range_free(iommu, dma_handle, npages);
 
 		entry = ((dma_handle - iommu->page_table_map_base) >> IO_PAGE_SHIFT);