linux-kernel - [PATCH 06/10] x86, AMD IOMMU: convert driver to generic iommu_num

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Date:	Mon, 4 Aug 2008 18:04:46 +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 06/10] x86, AMD IOMMU: convert driver to generic iommu_num_pages function

Signed-off-by: Joerg Roedel <joerg.roedel@....com>
---
 arch/x86/kernel/amd_iommu.c |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index f211341..108e003 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -182,7 +182,7 @@ static int iommu_flush_pages(struct amd_iommu *iommu, u16 domid,
 		u64 address, size_t size)
 {
 	int s = 0;
-	unsigned pages = iommu_nr_pages(address, size);
+	unsigned pages = iommu_num_pages(address, size, PAGE_SIZE);
 
 	address &= PAGE_MASK;
 
@@ -554,8 +554,9 @@ static struct dma_ops_domain *dma_ops_domain_alloc(struct amd_iommu *iommu,
 	if (iommu->exclusion_start &&
 	    iommu->exclusion_start < dma_dom->aperture_size) {
 		unsigned long startpage = iommu->exclusion_start >> PAGE_SHIFT;
-		int pages = iommu_nr_pages(iommu->exclusion_start,
-					    iommu->exclusion_length);
+		int pages = iommu_num_pages(iommu->exclusion_start,
+					    iommu->exclusion_length,
+					    PAGE_SIZE);
 		dma_ops_reserve_addresses(dma_dom, startpage, pages);
 	}
 
@@ -764,7 +765,7 @@ static dma_addr_t __map_single(struct device *dev,
 	unsigned int pages;
 	int i;
 
-	pages = iommu_nr_pages(paddr, size);
+	pages = iommu_num_pages(paddr, size, PAGE_SIZE);
 	paddr &= PAGE_MASK;
 
 	address = dma_ops_alloc_addresses(dev, dma_dom, pages);
@@ -799,7 +800,7 @@ static void __unmap_single(struct amd_iommu *iommu,
 	if ((dma_addr == 0) || (dma_addr + size > dma_dom->aperture_size))
 		return;
 
-	pages = iommu_nr_pages(dma_addr, size);
+	pages = iommu_num_pages(dma_addr, size, PAGE_SIZE);
 	dma_addr &= PAGE_MASK;
 	start = dma_addr;
 
-- 
1.5.3.7


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