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async_tx: make async_tx_test_ack a boolean routine

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Dan Williams 17 years ago
parent
3dce017137
commit
0839875e0c
1 changed files with 3 additions and 5 deletions
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  1. 3 5
      include/linux/dmaengine.h

+ 3 - 5
include/linux/dmaengine.h
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@@ -375,16 +375,14 @@ dma_cookie_t dma_async_memcpy_pg_to_pg(struct dma_chan *chan,
 
 void dma_async_tx_descriptor_init(struct dma_async_tx_descriptor *tx,
 
 void dma_async_tx_descriptor_init(struct dma_async_tx_descriptor *tx,
 
 	struct dma_chan *chan);
 
 	struct dma_chan *chan);
 
 
 
-static inline void
 
-async_tx_ack(struct dma_async_tx_descriptor *tx)
 
+static inline void async_tx_ack(struct dma_async_tx_descriptor *tx)
 
 {
 
 {
 
 	tx->flags |= DMA_CTRL_ACK;
 
 	tx->flags |= DMA_CTRL_ACK;
 
 }
 
 }
 
 
 
-static inline int
 
-async_tx_test_ack(struct dma_async_tx_descriptor *tx)
 
+static inline bool async_tx_test_ack(struct dma_async_tx_descriptor *tx)
 
 {
 
 {
 
-	return tx->flags & DMA_CTRL_ACK;
 
+	return (tx->flags & DMA_CTRL_ACK) == DMA_CTRL_ACK;
 
 }
 
 }
 
 
 
 #define first_dma_cap(mask) __first_dma_cap(&(mask))
 
 #define first_dma_cap(mask) __first_dma_cap(&(mask))