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Commit ef560682 authored by Guennadi Liakhovetski's avatar Guennadi Liakhovetski Committed by Dan Williams
Browse files

dmaengine: add async_tx_clear_ack() macro 



To complete the DMA_CTRL_ACK handling API add a async_tx_clear_ack() macro.

Signed-off-by: default avatarGuennadi Liakhovetski <lg@denx.de>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent c50331e8

include/linux/dmaengine.h

+5 −0
Original line number Diff line number Diff line
@@ -287,6 +287,11 @@ static inline void async_tx_ack(struct dma_async_tx_descriptor *tx) 
	tx->flags |= DMA_CTRL_ACK;

}



static inline void async_tx_clear_ack(struct dma_async_tx_descriptor *tx)

{

	tx->flags &= ~DMA_CTRL_ACK;

}



static inline bool async_tx_test_ack(struct dma_async_tx_descriptor *tx)

{

	return (tx->flags & DMA_CTRL_ACK) == DMA_CTRL_ACK;