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From: Joerg Roedel <joerg.roedel@amd.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: mingo@redhat.com, tglx@linutronix.de, hpa@zytor.com,
	rth@twiddle.net, paulus@samba.org, benh@kernel.crashing.org,
	davem@davemloft.net,
	FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
	Muli Ben-Yehuda <muli@il.ibm.com>,
	linux-kernel@vger.kernel.org, Joerg Roedel <joerg.roedel@amd.com>
Subject: [PATCH 02/10] sparc64: rename iommu_num_pages function to iommu_nr_pages
Date: Mon, 4 Aug 2008 18:04:42 +0200	[thread overview]
Message-ID: <1217865890-3593-3-git-send-email-joerg.roedel@amd.com> (raw)
In-Reply-To: <1217865890-3593-1-git-send-email-joerg.roedel@amd.com>

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

Signed-off-by: Joerg Roedel <joerg.roedel@amd.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



  parent reply	other threads:[~2008-08-04 16:07 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-04 16:04 [PATCH 0/10] introduce generic iommu_num_pages function Joerg Roedel
2008-08-04 16:04 ` [PATCH 01/10] x86: rename iommu_num_pages function to iommu_nr_pages Joerg Roedel
2008-08-04 16:04 ` Joerg Roedel [this message]
2008-08-04 21:27   ` [PATCH 02/10] sparc64: " David Miller
2008-08-04 16:04 ` [PATCH 03/10] powerpc: " Joerg Roedel
2008-08-04 16:04 ` [PATCH 04/10] introduce generic iommu_num_pages function Joerg Roedel
2008-08-04 16:04 ` [PATCH 05/10] x86: convert GART driver to " Joerg Roedel
2008-08-04 16:04 ` [PATCH 06/10] x86, AMD IOMMU: convert " Joerg Roedel
2008-08-04 16:04 ` [PATCH 07/10] x86: convert Calgary IOMMU " Joerg Roedel
2008-08-04 16:09   ` Muli Ben-Yehuda
2008-08-04 16:04 ` [PATCH 08/10] powerpc: use iommu_num_pages function in IOMMU code Joerg Roedel
2008-08-04 16:04 ` [PATCH 09/10] alpha: " Joerg Roedel
2008-08-04 16:04 ` [PATCH 10/10] sparc64: " Joerg Roedel
2008-08-04 21:28   ` David Miller
2008-08-05  1:09     ` Benjamin Herrenschmidt
2008-08-05  2:04     ` FUJITA Tomonori
2008-08-05  7:49     ` Joerg Roedel
2008-08-05  8:23       ` Benjamin Herrenschmidt
2008-08-05  1:08 ` [PATCH 0/10] introduce generic iommu_num_pages function Benjamin Herrenschmidt

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