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-rw-r--r--arch/arm/include/asm/dma.h23
1 files changed, 16 insertions, 7 deletions
diff --git a/arch/arm/include/asm/dma.h b/arch/arm/include/asm/dma.h
index 6a4d44a5b45..06419980dde 100644
--- a/arch/arm/include/asm/dma.h
+++ b/arch/arm/include/asm/dma.h
@@ -1,13 +1,7 @@
#ifndef __ASM_ARM_DMA_H
#define __ASM_ARM_DMA_H
-typedef unsigned int dmach_t;
-
-#include <linux/spinlock.h>
#include <asm/memory.h>
-#include <asm/system.h>
-#include <asm/scatterlist.h>
-#include <mach/dma.h>
/*
* This is the maximum virtual address which can be DMA'd from.
@@ -16,6 +10,19 @@ typedef unsigned int dmach_t;
#define MAX_DMA_ADDRESS 0xffffffff
#endif
+#ifdef CONFIG_ISA_DMA_API
+/*
+ * This is used to support drivers written for the x86 ISA DMA API.
+ * It should not be re-used except for that purpose.
+ */
+#include <linux/spinlock.h>
+#include <asm/system.h>
+#include <asm/scatterlist.h>
+
+typedef unsigned int dmach_t;
+
+#include <mach/dma.h>
+
/*
* DMA modes
*/
@@ -141,4 +148,6 @@ extern int isa_dma_bridge_buggy;
#define isa_dma_bridge_buggy (0)
#endif
-#endif /* _ARM_DMA_H */
+#endif /* CONFIG_ISA_DMA_API */
+
+#endif /* __ASM_ARM_DMA_H */