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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-11-30 13:26:47 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-11-30 13:26:47 +0000
commit3719ec5077d9a8bf293c494ff7eae766d6a70bbe (patch)
tree9e3bfaa537e51a6fb74e489aba1f8366d17e466b /arch/arm
parent[ARM] Add a common typesafe __io implementation (diff)
downloadlinux-dev-3719ec5077d9a8bf293c494ff7eae766d6a70bbe.tar.xz
linux-dev-3719ec5077d9a8bf293c494ff7eae766d6a70bbe.zip
[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')
-rw-r--r--arch/arm/mach-davinci/include/mach/memory.h1
-rw-r--r--arch/arm/mach-h720x/include/mach/memory.h4
-rw-r--r--arch/arm/mach-pxa/include/mach/memory.h1
-rw-r--r--arch/arm/mach-sa1100/include/mach/memory.h1
4 files changed, 4 insertions, 3 deletions
diff --git a/arch/arm/mach-davinci/include/mach/memory.h b/arch/arm/mach-davinci/include/mach/memory.h
index 3a3353357bac..86c25c7f3ce3 100644
--- a/arch/arm/mach-davinci/include/mach/memory.h
+++ b/arch/arm/mach-davinci/include/mach/memory.h
@@ -52,6 +52,7 @@ __arch_adjust_zones(int node, unsigned long *size, unsigned long *holes)
if ((meminfo.bank[0].size >> 20) > 128) __arch_adjust_zones(node, zone_size, holes)
#define ISA_DMA_THRESHOLD (PHYS_OFFSET + (128<<20) - 1)
+#define MAX_DMA_ADDRESS (PAGE_OFFSET + (128<<20))
#endif
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
diff --git a/arch/arm/mach-pxa/include/mach/memory.h b/arch/arm/mach-pxa/include/mach/memory.h
index eac491c2d741..f626730ee42e 100644
--- a/arch/arm/mach-pxa/include/mach/memory.h
+++ b/arch/arm/mach-pxa/include/mach/memory.h
@@ -37,6 +37,7 @@ void cmx2xx_pci_adjust_zones(int node, unsigned long *size,
cmx2xx_pci_adjust_zones(node, size, holes)
#define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_64M - 1)
+#define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_64M)
#endif
#endif
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