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authorJoerg Roedel <joerg.roedel@amd.com>2009-11-23 13:33:56 -0500
committerJoerg Roedel <joerg.roedel@amd.com>2009-11-27 08:17:08 -0500
commitcd8c82e875c27ee0d8b59fb76bc12aa9db6a70c2 (patch)
tree653ff6e7506822fb8d61fe6259abb3ba01e7b139 /arch/x86/kernel/amd_iommu.c
parent576175c2503ae9b0f930ee9a6a0abaf7ef8956ad (diff)
x86/amd-iommu: Remove iommu parameter from __(un)map_single
With the prior changes this parameter is not longer required. This patch removes it from the function and all callers. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'arch/x86/kernel/amd_iommu.c')
-rw-r--r--arch/x86/kernel/amd_iommu.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 687f617b95d7..c04dcb7f40b2 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -1653,7 +1653,6 @@ static void dma_ops_domain_unmap(struct dma_ops_domain *dom,
1653 * Must be called with the domain lock held. 1653 * Must be called with the domain lock held.
1654 */ 1654 */
1655static dma_addr_t __map_single(struct device *dev, 1655static dma_addr_t __map_single(struct device *dev,
1656 struct amd_iommu *iommu,
1657 struct dma_ops_domain *dma_dom, 1656 struct dma_ops_domain *dma_dom,
1658 phys_addr_t paddr, 1657 phys_addr_t paddr,
1659 size_t size, 1658 size_t size,
@@ -1737,8 +1736,7 @@ out_unmap:
1737 * Does the reverse of the __map_single function. Must be called with 1736 * Does the reverse of the __map_single function. Must be called with
1738 * the domain lock held too 1737 * the domain lock held too
1739 */ 1738 */
1740static void __unmap_single(struct amd_iommu *iommu, 1739static void __unmap_single(struct dma_ops_domain *dma_dom,
1741 struct dma_ops_domain *dma_dom,
1742 dma_addr_t dma_addr, 1740 dma_addr_t dma_addr,
1743 size_t size, 1741 size_t size,
1744 int dir) 1742 int dir)
@@ -1797,7 +1795,7 @@ static dma_addr_t map_page(struct device *dev, struct page *page,
1797 return DMA_ERROR_CODE; 1795 return DMA_ERROR_CODE;
1798 1796
1799 spin_lock_irqsave(&domain->lock, flags); 1797 spin_lock_irqsave(&domain->lock, flags);
1800 addr = __map_single(dev, iommu, domain->priv, paddr, size, dir, false, 1798 addr = __map_single(dev, domain->priv, paddr, size, dir, false,
1801 dma_mask); 1799 dma_mask);
1802 if (addr == DMA_ERROR_CODE) 1800 if (addr == DMA_ERROR_CODE)
1803 goto out; 1801 goto out;
@@ -1832,7 +1830,7 @@ static void unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size,
1832 1830
1833 spin_lock_irqsave(&domain->lock, flags); 1831 spin_lock_irqsave(&domain->lock, flags);
1834 1832
1835 __unmap_single(iommu, domain->priv, dma_addr, size, dir); 1833 __unmap_single(domain->priv, dma_addr, size, dir);
1836 1834
1837 iommu_flush_complete(domain); 1835 iommu_flush_complete(domain);
1838 1836
@@ -1890,7 +1888,7 @@ static int map_sg(struct device *dev, struct scatterlist *sglist,
1890 for_each_sg(sglist, s, nelems, i) { 1888 for_each_sg(sglist, s, nelems, i) {
1891 paddr = sg_phys(s); 1889 paddr = sg_phys(s);
1892 1890
1893 s->dma_address = __map_single(dev, iommu, domain->priv, 1891 s->dma_address = __map_single(dev, domain->priv,
1894 paddr, s->length, dir, false, 1892 paddr, s->length, dir, false,
1895 dma_mask); 1893 dma_mask);
1896 1894
@@ -1910,7 +1908,7 @@ out:
1910unmap: 1908unmap:
1911 for_each_sg(sglist, s, mapped_elems, i) { 1909 for_each_sg(sglist, s, mapped_elems, i) {
1912 if (s->dma_address) 1910 if (s->dma_address)
1913 __unmap_single(iommu, domain->priv, s->dma_address, 1911 __unmap_single(domain->priv, s->dma_address,
1914 s->dma_length, dir); 1912 s->dma_length, dir);
1915 s->dma_address = s->dma_length = 0; 1913 s->dma_address = s->dma_length = 0;
1916 } 1914 }
@@ -1946,7 +1944,7 @@ static void unmap_sg(struct device *dev, struct scatterlist *sglist,
1946 spin_lock_irqsave(&domain->lock, flags); 1944 spin_lock_irqsave(&domain->lock, flags);
1947 1945
1948 for_each_sg(sglist, s, nelems, i) { 1946 for_each_sg(sglist, s, nelems, i) {
1949 __unmap_single(iommu, domain->priv, s->dma_address, 1947 __unmap_single(domain->priv, s->dma_address,
1950 s->dma_length, dir); 1948 s->dma_length, dir);
1951 s->dma_address = s->dma_length = 0; 1949 s->dma_address = s->dma_length = 0;
1952 } 1950 }
@@ -1996,7 +1994,7 @@ static void *alloc_coherent(struct device *dev, size_t size,
1996 1994
1997 spin_lock_irqsave(&domain->lock, flags); 1995 spin_lock_irqsave(&domain->lock, flags);
1998 1996
1999 *dma_addr = __map_single(dev, iommu, domain->priv, paddr, 1997 *dma_addr = __map_single(dev, domain->priv, paddr,
2000 size, DMA_BIDIRECTIONAL, true, dma_mask); 1998 size, DMA_BIDIRECTIONAL, true, dma_mask);
2001 1999
2002 if (*dma_addr == DMA_ERROR_CODE) { 2000 if (*dma_addr == DMA_ERROR_CODE) {
@@ -2038,7 +2036,7 @@ static void free_coherent(struct device *dev, size_t size,
2038 2036
2039 spin_lock_irqsave(&domain->lock, flags); 2037 spin_lock_irqsave(&domain->lock, flags);
2040 2038
2041 __unmap_single(iommu, domain->priv, dma_addr, size, DMA_BIDIRECTIONAL); 2039 __unmap_single(domain->priv, dma_addr, size, DMA_BIDIRECTIONAL);
2042 2040
2043 iommu_flush_complete(domain); 2041 iommu_flush_complete(domain);
2044 2042