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authorRalf Baechle <ralf@linux-mips.org>2008-09-16 19:48:51 +0200
committerRalf Baechle <ralf@linux-mips.org>2008-10-11 16:18:52 +0100
commit384740dc49ea651ba350704d13ff6be9976e37fe (patch)
treea6e80cad287ccae7a86d81bfa692fc96889c88ed /arch/mips/include/asm/mach-lemote/dma-coherence.h
parente8c7c482347574ecdd45c43e32c332d5fc2ece61 (diff)
downloadop-kernel-dev-384740dc49ea651ba350704d13ff6be9976e37fe.zip
op-kernel-dev-384740dc49ea651ba350704d13ff6be9976e37fe.tar.gz
MIPS: Move headfiles to new location below arch/mips/include
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/mach-lemote/dma-coherence.h')
-rw-r--r--arch/mips/include/asm/mach-lemote/dma-coherence.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-lemote/dma-coherence.h b/arch/mips/include/asm/mach-lemote/dma-coherence.h
new file mode 100644
index 0000000..7e91477
--- /dev/null
+++ b/arch/mips/include/asm/mach-lemote/dma-coherence.h
@@ -0,0 +1,42 @@
+/*
+ * 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, 07 Ralf Baechle <ralf@linux-mips.org>
+ * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
+ * Author: Fuxin Zhang, zhangfx@lemote.com
+ *
+ */
+#ifndef __ASM_MACH_LEMOTE_DMA_COHERENCE_H
+#define __ASM_MACH_LEMOTE_DMA_COHERENCE_H
+
+struct device;
+
+static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
+ size_t size)
+{
+ return virt_to_phys(addr) | 0x80000000;
+}
+
+static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
+ struct page *page)
+{
+ return page_to_phys(page) | 0x80000000;
+}
+
+static inline unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
+{
+ return dma_addr & 0x7fffffff;
+}
+
+static inline void plat_unmap_dma_mem(dma_addr_t dma_addr)
+{
+}
+
+static inline int plat_device_is_coherent(struct device *dev)
+{
+ return 0;
+}
+
+#endif /* __ASM_MACH_LEMOTE_DMA_COHERENCE_H */
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