From 0efbb57e06d881a39a7f261e5c33558aedec0f79 Mon Sep 17 00:00:00 2001
From: Becky Bruce <beckyb@kernel.crashing.org>
Date: Thu, 4 Dec 2008 08:12:40 +0000
Subject: [PATCH] powerpc: Fix !CONFIG_PPC_NEED_DMA_SYNC_OPS build warning
Change #define stubs of dma_sync ops to be empty static inlines
to avoid build warning.
Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---
arch/powerpc/include/asm/dma-mapping.h | 41 ++++++++++++++++++++++----
1 file changed, 35 insertions(+), 6 deletions(-)
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index 9063184fa6fec..86cef7ddc8d5f 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -363,12 +363,41 @@ static inline void dma_sync_single_range_for_device(struct device *dev,
size, direction);
}
#else /* CONFIG_PPC_NEED_DMA_SYNC_OPS */
-#define dma_sync_single_for_cpu(d, h, s, dir) ((void)0)
-#define dma_sync_single_for_device(d, h, s, dir) ((void)0)
-#define dma_sync_single_range_for_cpu(d, h, o, s, dir) ((void)0)
-#define dma_sync_single_range_for_device(d, h, o, s, dir) ((void)0)
-#define dma_sync_sg_for_cpu(d, s, n, dir) ((void)0)
-#define dma_sync_sg_for_device(d, s, n, dir) ((void)0)
+static inline void dma_sync_single_for_cpu(struct device *dev,
+ dma_addr_t dma_handle, size_t size,
+ enum dma_data_direction direction)
+{
+}
+
+static inline void dma_sync_single_for_device(struct device *dev,
+ dma_addr_t dma_handle, size_t size,
+ enum dma_data_direction direction)
+{
+}
+
+static inline void dma_sync_sg_for_cpu(struct device *dev,
+ struct scatterlist *sgl, int nents,
+ enum dma_data_direction direction)
+{
+}
+
+static inline void dma_sync_sg_for_device(struct device *dev,
+ struct scatterlist *sgl, int nents,
+ enum dma_data_direction direction)
+{
+}
+
+static inline void dma_sync_single_range_for_cpu(struct device *dev,
+ dma_addr_t dma_handle, unsigned long offset, size_t size,
+ enum dma_data_direction direction)
+{
+}
+
+static inline void dma_sync_single_range_for_device(struct device *dev,
+ dma_addr_t dma_handle, unsigned long offset, size_t size,
+ enum dma_data_direction direction)
+{
+}
#endif
static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
--
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