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-rw-r--r--arch/arm/include/asm/memory.h10
1 files changed, 3 insertions, 7 deletions
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 431077c5a867..af44a8fb3480 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -209,14 +209,10 @@ static inline unsigned long __phys_to_virt(unsigned long x)
* allocations. This must be the smallest DMA mask in the system,
* so a successful GFP_DMA allocation will always satisfy this.
*/
-#ifndef ISA_DMA_THRESHOLD
+#ifndef ARM_DMA_ZONE_SIZE
#define ISA_DMA_THRESHOLD (0xffffffffULL)
-#endif
-
-#ifndef arch_adjust_zones
-#define arch_adjust_zones(size,holes) do { } while (0)
-#elif !defined(CONFIG_ZONE_DMA)
-#error "custom arch_adjust_zones() requires CONFIG_ZONE_DMA"
+#else
+#define ISA_DMA_THRESHOLD (PHYS_OFFSET + ARM_DMA_ZONE_SIZE - 1)
#endif
/*
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