c6x does not implement get_dma_ops() for dma-mapping-common.h. And in
dma-mapping-common.h, dma_sync_single_range_for_device() may be dummy.
So c6x can just define a dummy function for allmodconfig building.
CC [M] drivers/net/ethernet/micrel/ks8851.o
drivers/net/ethernet/micrel/ks8842.c: In function 'ks8842_tx_frame_dma':
drivers/net/ethernet/micrel/ks8842.c:453:2: error: implicit declaration of
function 'dma_sync_single_range_for_device'
[-Werror=implicit-function-declaration]
dma_sync_single_range_for_device(adapter->dev,
^
Signed-off-by: Chen Gang <[email protected]>
---
arch/c6x/include/asm/dma-mapping.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/c6x/include/asm/dma-mapping.h
b/arch/c6x/include/asm/dma-mapping.h
index 88bd0d8..bbd7774 100644
--- a/arch/c6x/include/asm/dma-mapping.h
+++ b/arch/c6x/include/asm/dma-mapping.h
@@ -17,6 +17,14 @@
#define dma_supported(d, m) 1
+static inline void dma_sync_single_range_for_device(struct device *dev,
+ dma_addr_t addr,
+ unsigned long offset,
+ size_t size,
+ enum dma_data_direction dir)
+{
+}
+
static inline int dma_set_mask(struct device *dev, u64 dma_mask)
{
if (!dev->dma_mask || !dma_supported(dev, dma_mask))
--
1.9.3
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