[ARM] fix constant values of MAX_DMA_ADDRESS

Since 8d5796d2ec6b5a4e7a52861144e63af438d6f8f7, we have allowed
PAGE_OFFSET to be configurable, so a constant virtual address
for MAX_DMA_ADDRESS is buggy.  It should be defined in terms of
PAGE_OFFSET rather than a constant virtual address.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/arm/mach-h720x/include/mach/memory.h b/arch/arm/mach-h720x/include/mach/memory.h
index 8cfb665e04b1..c9bdb21a4445 100644
--- a/arch/arm/mach-h720x/include/mach/memory.h
+++ b/arch/arm/mach-h720x/include/mach/memory.h
@@ -16,6 +16,6 @@
  * If you set this, you must also set ISA_DMA_THRESHOLD and setup a DMA
  * zone if this does not cover all possible RAM.
  */
-#define MAX_DMA_ADDRESS         0xd0000000
+#define MAX_DMA_ADDRESS         (PAGE_OFFSET + SZ_256M)
 
 #endif