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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-11-30 16:26:47 +0300
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-11-30 16:26:47 +0300
commit3719ec5077d9a8bf293c494ff7eae766d6a70bbe (patch)
tree9e3bfaa537e51a6fb74e489aba1f8366d17e466b /arch/arm/mach-h720x
parent0560cf5aa51216b06874333a2fa26ca034d97bdb (diff)
downloadlinux-3719ec5077d9a8bf293c494ff7eae766d6a70bbe.tar.xz
[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>
Diffstat (limited to 'arch/arm/mach-h720x')
-rw-r--r--arch/arm/mach-h720x/include/mach/memory.h4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/arm/mach-h720x/include/mach/memory.h b/arch/arm/mach-h720x/include/mach/memory.h
index c9bdb21a4445..ef4c1e26f18e 100644
--- a/arch/arm/mach-h720x/include/mach/memory.h
+++ b/arch/arm/mach-h720x/include/mach/memory.h
@@ -12,10 +12,8 @@
* This is the maximum DMA address that can be DMAd to.
* There should not be more than (0xd0000000 - 0xc0000000)
* bytes of RAM.
- *
- * 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 ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_256M - 1)
#define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_256M)
#endif