[ARM] Ensure that both MAX_DMA_ADDRESS and ISA_DMA_THRESHOLD are defined

Both of these symbols should be defined by a platform, or neither
should be defined.  Ensure that all platforms conform.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/arm/mach-sa1100/include/mach/memory.h b/arch/arm/mach-sa1100/include/mach/memory.h
index 6984034f6958..e9f8eed900f5 100644
--- a/arch/arm/mach-sa1100/include/mach/memory.h
+++ b/arch/arm/mach-sa1100/include/mach/memory.h
@@ -23,6 +23,7 @@ void sa1111_adjust_zones(int node, unsigned long *size, unsigned long *holes);
         sa1111_adjust_zones(node, size, holes)
 
 #define ISA_DMA_THRESHOLD       (PHYS_OFFSET + SZ_1M - 1)
+#define MAX_DMA_ADDRESS         (PAGE_OFFSET + SZ_1M)
 
 #endif
 #endif