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c6x: include: asm: dma-mapping: Add dummy dma_sync_single_range_for_device 

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 <gang.chen.5i5j@gmail.com>
Signed-off-by: Mark Salter <msalter@redhat.com>
hifive-unleashed-5.1
Chen Gang 2015-03-04 11:09:35 +08:00 committed by Mark Salter
parent 9bd54f64af
commit 76e0189254
1 changed files with 8 additions and 0 deletions
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8
arch/c6x/include/asm/dma-mapping.h
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@ -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))