[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, 0 insertions, 8 deletions

diff --git a/arch/arm/mach-s3c2410/include/mach/memory.h b/arch/arm/mach-s3c2410/include/mach/memory.h
index 2246966bbbe4..6f1e5871ae4b 100644
--- a/arch/arm/mach-s3c2410/include/mach/memory.h
+++ b/arch/arm/mach-s3c2410/include/mach/memory.h
@@ -13,12 +13,4 @@
 
 #define PHYS_OFFSET     UL(0x30000000)
 
-/*
- * This is the maximum DMA address(physical address) that can be DMAd to.
- *  Err, no, this is a virtual address.  And you must set ISA_DMA_THRESHOLD
- *  and setup a DMA zone if this restricts the amount of RAM which is
- *  capable of DMA.
- */
-#define MAX_DMA_ADDRESS         0x40000000
-
 #endif