[PATCH v2 -next] dmaengine: Remove unused declaration dma_chan_cleanup()

[Yue Haibing]

Commit f27c580c3628 ("dmaengine: remove 'bigref' infrastructure")
removed the implementation but left declaration in place. Remove it.

Signed-off-by: Yue Haibing <yuehaibing@xxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
v2: revise commit log
---
 include/linux/dmaengine.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index c3656e590213..3df70d6131c8 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -517,8 +517,6 @@ static inline const char *dma_chan_name(struct dma_chan *chan)
 	return dev_name(&chan->dev->device);
 }
 
-void dma_chan_cleanup(struct kref *kref);
-
 /**
  * typedef dma_filter_fn - callback filter for dma_request_channel
  * @chan: channel to be reviewed
-- 
2.34.1