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async_tx: make async_tx_test_ack a boolean routine

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Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2008-07-17 17:59:56 -07:00
parent 3dce017137
commit 0839875e0c
1 changed files with 3 additions and 5 deletions
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8
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 static inline void async_tx_ack(struct dma_async_tx_descriptor *tx)
async_tx_ack(struct dma_async_tx_descriptor *tx)
{ {
tx->flags |= DMA_CTRL_ACK; tx->flags |= DMA_CTRL_ACK;
} }
static inline int static inline bool async_tx_test_ack(struct dma_async_tx_descriptor *tx)
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))