[ARM] Move common definition of MAX_DMA_ADDRESS to asm/dma.h
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/dma.h b/include/asm-arm/dma.h
index 1c7087f..49c01e2 100644
--- a/include/asm-arm/dma.h
+++ b/include/asm-arm/dma.h
@@ -10,6 +10,13 @@
#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;