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authorIngo Molnar <mingo@elte.hu>2008-10-12 11:32:17 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-12 11:32:17 +0200
commit206855c321adee56db3946ca09a5887cddb9d598 (patch)
tree13a2729d4d0e37170552bd9ad3c6bba71ba0c55c /arch/mips/include/asm/mach-generic/dma-coherence.h
parente8d3f455de4f42d4bab2f6f1aeb2cf3bd18eb508 (diff)
parentcb58ffc3889f0545628f138f849e759a331b8ddc (diff)
Merge branch 'x86/urgent' into core/signal
Conflicts: arch/x86/kernel/signal_64.c
Diffstat (limited to 'arch/mips/include/asm/mach-generic/dma-coherence.h')
-rw-r--r--arch/mips/include/asm/mach-generic/dma-coherence.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-generic/dma-coherence.h b/arch/mips/include/asm/mach-generic/dma-coherence.h
new file mode 100644
index 00000000000..76e04e7feb8
--- /dev/null
+++ b/arch/mips/include/asm/mach-generic/dma-coherence.h
@@ -0,0 +1,45 @@
+/*
+ * 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>
+ *
+ */
+#ifndef __ASM_MACH_GENERIC_DMA_COHERENCE_H
+#define __ASM_MACH_GENERIC_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);
+}
+
+static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
+ struct page *page)
+{
+ return page_to_phys(page);
+}
+
+static inline unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
+{
+ return dma_addr;
+}
+
+static inline void plat_unmap_dma_mem(dma_addr_t dma_addr)
+{
+}
+
+static inline int plat_device_is_coherent(struct device *dev)
+{
+#ifdef CONFIG_DMA_COHERENT
+ return 1;
+#endif
+#ifdef CONFIG_DMA_NONCOHERENT
+ return 0;
+#endif
+}
+
+#endif /* __ASM_MACH_GENERIC_DMA_COHERENCE_H */