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-rw-r--r--include/asm-s390/types.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-s390/types.h b/include/asm-s390/types.h
index 0e959e20e9a3..41c547656130 100644
--- a/include/asm-s390/types.h
+++ b/include/asm-s390/types.h
@@ -40,7 +40,13 @@ typedef __signed__ long saddr_t;
#ifndef __ASSEMBLY__
+typedef u64 dma64_addr_t;
+#ifdef __s390x__
+/* DMA addresses come in 32-bit and 64-bit flavours. */
+typedef u64 dma_addr_t;
+#else
typedef u32 dma_addr_t;
+#endif
#ifndef __s390x__
typedef union {