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authorDan Williams <dan.j.williams@intel.com>2009-09-08 17:55:21 -0700
committerDan Williams <dan.j.williams@intel.com>2009-09-08 17:55:21 -0700
commitbbb20089a3275a19e475dbc21320c3742e3ca423 (patch)
tree216fdc1cbef450ca688135c5b8969169482d9a48 /arch/microblaze/include/asm/dma.h
parent3e48e656903e9fd8bc805c6a2c4264d7808d315b (diff)
parent657a77fa7284d8ae28dfa48f1dc5d919bf5b2843 (diff)
Merge branch 'dmaengine' into async-tx-next
Conflicts: crypto/async_tx/async_xor.c drivers/dma/ioat/dma_v2.h drivers/dma/ioat/pci.c drivers/md/raid5.c
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 0967fa04fc5e..08c073badf19 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 */