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dmaengine: kill enum dma_state_client

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DMA_NAK is now useless.  We can just use a bool instead.

Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2009-01-06 11:38:19 -07:00
commit 7dd6025101
4 changed files with 14 additions and 31 deletions
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17
include/linux/dmaengine.h
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@ -28,18 +28,6 @@
#include <linux/rcupdate.h>
#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
*
@ -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);
/**