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of: dma- fix build break for !CONFIG_OF

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Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
This commit is contained in:
Vinod Koul 2012-09-25 09:57:36 +05:30 committed by Vinod Koul
parent aa3da644c7
commit 4c26bc601d
1 changed files with 27 additions and 0 deletions
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27
include/linux/of_dma.h
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@ -32,6 +32,7 @@ struct of_dma_filter_info {
dma_filter_fn filter_fn;
};
#ifdef CONFIG_OF
extern int of_dma_controller_register(struct device_node *np,
struct dma_chan *(*of_dma_xlate)
(struct of_phandle_args *, struct of_dma *),
@ -41,5 +42,31 @@ extern struct dma_chan *of_dma_request_slave_channel(struct device_node *np,
char *name);
extern struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec,
struct of_dma *ofdma);
#else
static int of_dma_controller_register(struct device_node *np,
struct dma_chan *(*of_dma_xlate)
(struct of_phandle_args *, struct of_dma *),
void *data)
{
return -ENODEV;
}
static void of_dma_controller_free(struct device_node *np)
{
}
static struct dma_chan *of_dma_request_slave_channel(struct device_node *np,
char *name)
{
return NULL;
}
static struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec,
struct of_dma *ofdma)
{
return NULL;
}
#endif
#endif /* __LINUX_OF_DMA_H */