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dma-mapping: remove dma_mark_declared_memory_occupied

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This API is not used anywhere, so remove it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2018-12-25 17:27:14 +01:00
parent ddb26d8e1e
commit 91a6fda95c
3 changed files with 0 additions and 49 deletions
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9
include/linux/dma-mapping.h
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@ -743,8 +743,6 @@ static inline int dma_get_cache_alignment(void)
int dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr,
dma_addr_t device_addr, size_t size, int flags);
void dma_release_declared_memory(struct device *dev);
void *dma_mark_declared_memory_occupied(struct device *dev,
dma_addr_t device_addr, size_t size);
#else
static inline int
dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr,
@ -757,13 +755,6 @@ static inline void
dma_release_declared_memory(struct device *dev)
{
}
static inline void *
dma_mark_declared_memory_occupied(struct device *dev,
dma_addr_t device_addr, size_t size)
{
return ERR_PTR(-EBUSY);
}
#endif /* CONFIG_DMA_DECLARE_COHERENT */
static inline void *dmam_alloc_coherent(struct device *dev, size_t size,