[PATCH] ppc64: make dma_addr_t 64 bits

There has been a need expressed for dma_addr_t to be 64 bits on PPC64.
This patch does that.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

2 files changed, 5 insertions, 1 deletions

diff --git a/include/asm-powerpc/types.h b/include/asm-powerpc/types.h
index f70cd3fb32d9..ec3c2ee8bf86 100644
--- a/include/asm-powerpc/types.h
+++ b/include/asm-powerpc/types.h
@@ -85,7 +85,11 @@ typedef unsigned long long u64;
 
 typedef __vector128 vector128;
 
+#ifdef __powerpc64__
+typedef u64 dma_addr_t;
+#else
 typedef u32 dma_addr_t;
+#endif
 typedef u64 dma64_addr_t;
 
 typedef struct {
diff --git a/include/asm-ppc64/scatterlist.h b/include/asm-ppc64/scatterlist.h
index cecce6c6dfbb..65a2a027ac94 100644
--- a/include/asm-ppc64/scatterlist.h
+++ b/include/asm-ppc64/scatterlist.h
@@ -19,7 +19,7 @@ struct scatterlist {
         unsigned int length;
 
         /* For TCE support */
-        u32 dma_address;
+        dma_addr_t dma_address;
         u32 dma_length;
 };