diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/dmaengine.h | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index bca2fc75889..1419a509447 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -29,18 +29,6 @@ #include <linux/dma-mapping.h> /** - * enum dma_state_client - state of the channel in the client - * @DMA_ACK: client would like to use, or was using this channel - * @DMA_DUP: client has already seen this channel, or is not using this channel - * @DMA_NAK: client does not want to see any more channels - */ -enum dma_state_client { - DMA_ACK, - DMA_DUP, - DMA_NAK, -}; - -/** * typedef dma_cookie_t - an opaque DMA cookie * * if dma_cookie_t is >0 it's a DMA request cookie, <0 it's an error code @@ -160,9 +148,10 @@ void dma_chan_cleanup(struct kref *kref); * When this optional parameter is specified in a call to dma_request_channel a * suitable channel is passed to this routine for further dispositioning before * being returned. Where 'suitable' indicates a non-busy channel that - * satisfies the given capability mask. + * satisfies the given capability mask. It returns 'true' to indicate that the + * channel is suitable. */ -typedef enum dma_state_client (*dma_filter_fn)(struct dma_chan *chan, void *filter_param); +typedef bool (*dma_filter_fn)(struct dma_chan *chan, void *filter_param); typedef void (*dma_async_tx_callback)(void *dma_async_param); /** |