bianbu-repo-mirror/bianbu-linux-6.6
1
0
Fork 0
mirror of https://gitee.com/bianbu-linux/linux-6.6 synced 2025-07-06 00:13:38 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

dmaengine: add async_tx_clear_ack() macro

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

Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Guennadi Liakhovetski 2009-01-19 15:36:21 -07:00 • committed by Dan Williams
parent c50331e8be
commit ef560682a9
1 changed files with 5 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

5
include/linux/dmaengine.h
View file

@ -287,6 +287,11 @@ static inline void async_tx_ack(struct dma_async_tx_descriptor *tx)
tx->flags |= DMA_CTRL_ACK; 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) static inline bool async_tx_test_ack(struct dma_async_tx_descriptor *tx)
{ {
return (tx->flags & DMA_CTRL_ACK) == DMA_CTRL_ACK; return (tx->flags & DMA_CTRL_ACK) == DMA_CTRL_ACK;