[ARM] Move common definition of MAX_DMA_ADDRESS to asm/dma.h

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/asm-arm/dma.h b/include/asm-arm/dma.h
index 1c7087f9364c..49c01e2bf7c8 100644
--- a/include/asm-arm/dma.h
+++ b/include/asm-arm/dma.h
@@ -10,6 +10,13 @@ typedef unsigned int dmach_t;
 #include <asm/arch/dma.h>
 
 /*
+ * This is the maximum virtual address which can be DMA'd from.
+ */
+#ifndef MAX_DMA_ADDRESS
+#define MAX_DMA_ADDRESS 0xffffffff
+#endif
+
+/*
  * DMA modes
  */
 typedef unsigned int dmamode_t;