24  * @tx: descriptor needing cookie
29 static inline dma_cookie_t dma_cookie_assign(struct dma_async_tx_descriptor *tx)  in dma_cookie_assign()  argument
31 	struct dma_chan *chan = tx->chan;  in dma_cookie_assign()
37 	tx->cookie = chan->cookie = cookie;  in dma_cookie_assign()
44  * @tx: descriptor to complete
52 static inline void dma_cookie_complete(struct dma_async_tx_descriptor *tx)  in dma_cookie_complete()  argument
54 	BUG_ON(tx->cookie < DMA_MIN_COOKIE);  in dma_cookie_complete()
55 	tx->chan->completed_cookie = tx->cookie;  in dma_cookie_complete()
56 	tx->cookie = 0;  in dma_cookie_complete()
106  * @tx: tx descriptor
110  * tx descriptor struct
114 dmaengine_desc_get_callback(struct dma_async_tx_descriptor *tx,  in dmaengine_desc_get_callback()  argument
117 	cb->callback = tx->callback;  in dmaengine_desc_get_callback()
118 	cb->callback_result = tx->callback_result;  in dmaengine_desc_get_callback()
119 	cb->callback_param = tx->callback_param;  in dmaengine_desc_get_callback()
150  * dmaengine_desc_get_callback_invoke - get the callback in tx descriptor and
152  * @tx: dma async tx descriptor
160 dmaengine_desc_get_callback_invoke(struct dma_async_tx_descriptor *tx,  in dmaengine_desc_get_callback_invoke()  argument
165 	dmaengine_desc_get_callback(tx, &cb);  in dmaengine_desc_get_callback_invoke()