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dma: Add stub of dma_memcpy and dma_get_device 

Add stub for dma_memcpy() and dma_get_device when CONFIG_DMA is
disabled. This avoids ifdefs in driver code using DMA APIs

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Vignesh Raghavendra 2019-11-15 17:00:42 +05:30 committed by Tom Rini
parent 74326a320a
commit 1e373301dc
1 changed files with 11 additions and 0 deletions
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11
include/dma.h
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@ -304,6 +304,7 @@ int dma_send(struct dma *dma, void *src, size_t len, void *metadata);
int dma_get_cfg(struct dma *dma, u32 cfg_id, void **cfg_data);
#endif /* CONFIG_DMA_CHANNELS */
#if CONFIG_IS_ENABLED(DMA)
/*
* dma_get_device - get a DMA device which supports transfer
* type of transfer_type
@ -327,5 +328,15 @@ int dma_get_device(u32 transfer_type, struct udevice **devp);
transferred and on failure return error code.
*/
int dma_memcpy(void *dst, void *src, size_t len);
#else
static inline int dma_get_device(u32 transfer_type, struct udevice **devp)
{
return -ENOSYS;
}
static inline int dma_memcpy(void *dst, void *src, size_t len)
{
return -ENOSYS;
}
#endif /* CONFIG_DMA */
#endif /* _DMA_H_ */