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authorIngo Molnar <mingo@elte.hu>2010-01-13 09:58:37 +0100
committerIngo Molnar <mingo@elte.hu>2010-01-13 10:08:50 +0100
commit61405fea92c42d072d9b8bd189689f1502a838af (patch)
tree013ea3e7ed71f4114004d5852d40b6e89e128f76 /arch/mips/include/asm/mach-loongson/dma-coherence.h
parent9c443dfdd31eddea6cbe6ee0ca469fbcc4e1dc3b (diff)
parent1703f2c321a8a531c393e137a82602e16c6061cb (diff)
downloadlinux-stable-61405fea92c42d072d9b8bd189689f1502a838af.tar.gz
Merge branch 'perf/urgent' into perf/core
Merge reason: queue up dependent patch, update to -rc4 Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/mips/include/asm/mach-loongson/dma-coherence.h')
-rw-r--r--arch/mips/include/asm/mach-loongson/dma-coherence.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-loongson/dma-coherence.h b/arch/mips/include/asm/mach-loongson/dma-coherence.h
index 71a6851ba833..981c75f91a7d 100644
--- a/arch/mips/include/asm/mach-loongson/dma-coherence.h
+++ b/arch/mips/include/asm/mach-loongson/dma-coherence.h
@@ -28,7 +28,11 @@ static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
dma_addr_t dma_addr)
{
+#if defined(CONFIG_CPU_LOONGSON2F) && defined(CONFIG_64BIT)
+ return (dma_addr > 0x8fffffff) ? dma_addr : (dma_addr & 0x0fffffff);
+#else
return dma_addr & 0x7fffffff;
+#endif
}
static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,