diff options
Diffstat (limited to 'include/linux/dmaengine.h')
| -rw-r--r-- | include/linux/dmaengine.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index b44b9c608709..62225d46908b 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -1545,4 +1545,23 @@ static inline struct dma_chan return __dma_request_channel(mask, fn, fn_param, NULL); } + +static inline char * +dmaengine_get_direction_text(enum dma_transfer_direction dir) +{ + switch (dir) { + case DMA_DEV_TO_MEM: + return "DEV_TO_MEM"; + case DMA_MEM_TO_DEV: + return "MEM_TO_DEV"; + case DMA_MEM_TO_MEM: + return "MEM_TO_MEM"; + case DMA_DEV_TO_DEV: + return "DEV_TO_DEV"; + default: + break; + } + + return "invalid"; +} #endif /* DMAENGINE_H */ |