linux-kernel - [PATCH 02/10] sparc64: rename iommu_num_pages function to iommu_nr

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Date:	Mon, 4 Aug 2008 18:04:42 +0200
From:	Joerg Roedel <joerg.roedel@....com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	mingo@...hat.com, tglx@...utronix.de, hpa@...or.com,
	rth@...ddle.net, paulus@...ba.org, benh@...nel.crashing.org,
	davem@...emloft.net,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	Muli Ben-Yehuda <muli@...ibm.com>,
	linux-kernel@...r.kernel.org, Joerg Roedel <joerg.roedel@....com>
Subject: [PATCH 02/10] sparc64: rename iommu_num_pages function to iommu_nr_pages

This is a preparation patch for introducing a generic iommu_num_pages function.

Signed-off-by: Joerg Roedel <joerg.roedel@....com>
---
 arch/sparc64/kernel/iommu.c        |    6 +++---
 arch/sparc64/kernel/iommu_common.h |    4 ++--
 arch/sparc64/kernel/pci_sun4v.c    |    6 +++---
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/sparc64/kernel/iommu.c b/arch/sparc64/kernel/iommu.c
index 2a37a6c..f73b238 100644
--- a/arch/sparc64/kernel/iommu.c
+++ b/arch/sparc64/kernel/iommu.c
@@ -575,7 +575,7 @@ static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist,
 		}
 		/* Allocate iommu entries for that segment */
 		paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s);
-		npages = iommu_num_pages(paddr, slen);
+		npages = iommu_nr_pages(paddr, slen);
 		entry = iommu_range_alloc(dev, iommu, npages, &handle);
 
 		/* Handle failure */
@@ -647,7 +647,7 @@ iommu_map_failed:
 			iopte_t *base;
 
 			vaddr = s->dma_address & IO_PAGE_MASK;
-			npages = iommu_num_pages(s->dma_address, s->dma_length);
+			npages = iommu_nr_pages(s->dma_address, s->dma_length);
 			iommu_range_free(iommu, vaddr, npages);
 
 			entry = (vaddr - iommu->page_table_map_base)
@@ -715,7 +715,7 @@ static void dma_4u_unmap_sg(struct device *dev, struct scatterlist *sglist,
 
 		if (!len)
 			break;
-		npages = iommu_num_pages(dma_handle, len);
+		npages = iommu_nr_pages(dma_handle, len);
 		iommu_range_free(iommu, dma_handle, npages);
 
 		entry = ((dma_handle - iommu->page_table_map_base)
diff --git a/arch/sparc64/kernel/iommu_common.h b/arch/sparc64/kernel/iommu_common.h
index 53b19c8..202d8ae 100644
--- a/arch/sparc64/kernel/iommu_common.h
+++ b/arch/sparc64/kernel/iommu_common.h
@@ -35,7 +35,7 @@
 
 #define SG_ENT_PHYS_ADDRESS(SG)	(__pa(sg_virt((SG))))
 
-static inline unsigned long iommu_num_pages(unsigned long vaddr,
+static inline unsigned long iommu_nr_pages(unsigned long vaddr,
 					    unsigned long slen)
 {
 	unsigned long npages;
@@ -53,7 +53,7 @@ static inline int is_span_boundary(unsigned long entry,
 				   struct scatterlist *sg)
 {
 	unsigned long paddr = SG_ENT_PHYS_ADDRESS(outs);
-	int nr = iommu_num_pages(paddr, outs->dma_length + sg->length);
+	int nr = iommu_nr_pages(paddr, outs->dma_length + sg->length);
 
 	return iommu_is_span_boundary(entry, nr, shift, boundary_size);
 }
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index a104c80..6a53c31 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -382,7 +382,7 @@ static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist,
 		}
 		/* Allocate iommu entries for that segment */
 		paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s);
-		npages = iommu_num_pages(paddr, slen);
+		npages = iommu_nr_pages(paddr, slen);
 		entry = iommu_range_alloc(dev, iommu, npages, &handle);
 
 		/* Handle failure */
@@ -459,7 +459,7 @@ iommu_map_failed:
 			unsigned long vaddr, npages;
 
 			vaddr = s->dma_address & IO_PAGE_MASK;
-			npages = iommu_num_pages(s->dma_address, s->dma_length);
+			npages = iommu_nr_pages(s->dma_address, s->dma_length);
 			iommu_range_free(iommu, vaddr, npages);
 			/* XXX demap? XXX */
 			s->dma_address = DMA_ERROR_CODE;
@@ -498,7 +498,7 @@ static void dma_4v_unmap_sg(struct device *dev, struct scatterlist *sglist,
 
 		if (!len)
 			break;
-		npages = iommu_num_pages(dma_handle, len);
+		npages = iommu_nr_pages(dma_handle, len);
 		iommu_range_free(iommu, dma_handle, npages);
 
 		entry = ((dma_handle - iommu->page_table_map_base) >> IO_PAGE_SHIFT);
-- 
1.5.3.7


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