diff options
Diffstat (limited to 'include/linux/dmaengine.h')
| -rw-r--r-- | include/linux/dmaengine.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 2fe855a7cab..3782cdb782a 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -457,6 +457,7 @@ struct dma_async_tx_descriptor { #endif }; +#ifdef CONFIG_DMA_ENGINE static inline void dma_set_unmap(struct dma_async_tx_descriptor *tx, struct dmaengine_unmap_data *unmap) { @@ -464,7 +465,23 @@ static inline void dma_set_unmap(struct dma_async_tx_descriptor *tx, tx->unmap = unmap; } +struct dmaengine_unmap_data * +dmaengine_get_unmap_data(struct device *dev, int nr, gfp_t flags); void dmaengine_unmap_put(struct dmaengine_unmap_data *unmap); +#else +static inline void dma_set_unmap(struct dma_async_tx_descriptor *tx, + struct dmaengine_unmap_data *unmap) +{ +} +static inline struct dmaengine_unmap_data * +dmaengine_get_unmap_data(struct device *dev, int nr, gfp_t flags) +{ + return NULL; +} +static inline void dmaengine_unmap_put(struct dmaengine_unmap_data *unmap) +{ +} +#endif static inline void dma_descriptor_unmap(struct dma_async_tx_descriptor *tx) { |