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authorVegard Nossum <vegard.nossum@gmail.com>2009-06-15 15:50:49 +0200
committerVegard Nossum <vegard.nossum@gmail.com>2009-06-15 15:50:49 +0200
commit722f2a6c87f34ee0fd0130a8cf45f81e0705594a (patch)
tree50b054df34d2731eb0ba0cf1a6c27e43e7eed428 /arch/microblaze/include/asm/dma.h
parent7a0aeb14e18ad59394bd9bbc6e57fb345819e748 (diff)
parent45e3e1935e2857c54783291107d33323b3ef33c8 (diff)
Merge commit 'linus/master' into HEAD
Conflicts: MAINTAINERS Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Diffstat (limited to 'arch/microblaze/include/asm/dma.h')
-rw-r--r--arch/microblaze/include/asm/dma.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/dma.h b/arch/microblaze/include/asm/dma.h
index 0967fa04fc5..08c073badf1 100644
--- a/arch/microblaze/include/asm/dma.h
+++ b/arch/microblaze/include/asm/dma.h
@@ -9,8 +9,13 @@
#ifndef _ASM_MICROBLAZE_DMA_H
#define _ASM_MICROBLAZE_DMA_H
+#ifndef CONFIG_MMU
/* we don't have dma address limit. define it as zero to be
* unlimited. */
#define MAX_DMA_ADDRESS (0)
+#else
+/* Virtual address corresponding to last available physical memory address. */
+#define MAX_DMA_ADDRESS (CONFIG_KERNEL_START + memory_size - 1)
+#endif
#endif /* _ASM_MICROBLAZE_DMA_H */