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authorIngo Molnar <mingo@elte.hu>2009-01-16 10:09:10 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-16 10:09:10 +0100
commitaf2519fb2298cdf7540082c36f4d8c66bbff103f (patch)
tree1d290d28d42d42f9e693457762c4008988628060 /arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
parent961d7d0ee5150e0197cc81c2a8884ecb230276e2 (diff)
parent7cb36b6ccdca03bd87e8faca7fd920643dd1aec7 (diff)
downloadop-kernel-dev-af2519fb2298cdf7540082c36f4d8c66bbff103f.zip
op-kernel-dev-af2519fb2298cdf7540082c36f4d8c66bbff103f.tar.gz
Merge branch 'linus' into core/iommu
Conflicts: arch/ia64/include/asm/dma-mapping.h arch/ia64/include/asm/machvec.h arch/ia64/include/asm/machvec_sn2.h
Diffstat (limited to 'arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h')
-rw-r--r--arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h b/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
new file mode 100644
index 0000000..f30fce9
--- /dev/null
+++ b/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
@@ -0,0 +1,64 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org>
+ *
+ *
+ * Similar to mach-generic/dma-coherence.h except
+ * plat_device_is_coherent hard coded to return 1.
+ *
+ */
+#ifndef __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H
+#define __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H
+
+struct device;
+
+dma_addr_t octeon_map_dma_mem(struct device *, void *, size_t);
+void octeon_unmap_dma_mem(struct device *, dma_addr_t);
+
+static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
+ size_t size)
+{
+ return octeon_map_dma_mem(dev, addr, size);
+}
+
+static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
+ struct page *page)
+{
+ return octeon_map_dma_mem(dev, page_address(page), PAGE_SIZE);
+}
+
+static inline unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
+{
+ return dma_addr;
+}
+
+static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr)
+{
+ octeon_unmap_dma_mem(dev, dma_addr);
+}
+
+static inline int plat_dma_supported(struct device *dev, u64 mask)
+{
+ return 1;
+}
+
+static inline void plat_extra_sync_for_device(struct device *dev)
+{
+ mb();
+}
+
+static inline int plat_device_is_coherent(struct device *dev)
+{
+ return 1;
+}
+
+static inline int plat_dma_mapping_error(struct device *dev,
+ dma_addr_t dma_addr)
+{
+ return dma_addr == -1;
+}
+
+#endif /* __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H */
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