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-rw-r--r--arch/s390/include/asm/dma.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/s390/include/asm/dma.h b/arch/s390/include/asm/dma.h
new file mode 100644
index 00000000000..7425c6af6cd
--- /dev/null
+++ b/arch/s390/include/asm/dma.h
@@ -0,0 +1,16 @@
+/*
+ * include/asm-s390/dma.h
+ *
+ * S390 version
+ */
+
+#ifndef _ASM_DMA_H
+#define _ASM_DMA_H
+
+#include <asm/io.h> /* need byte IO */
+
+#define MAX_DMA_ADDRESS 0x80000000
+
+#define free_dma(x) do { } while (0)
+
+#endif /* _ASM_DMA_H */