diff options
Diffstat (limited to 'include/linux/dmaengine.h')
-rw-r--r-- | include/linux/dmaengine.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 56377df39124..9c02a4508b25 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h | |||
@@ -338,6 +338,9 @@ enum dma_slave_buswidth { | |||
338 | * @device_fc: Flow Controller Settings. Only valid for slave channels. Fill | 338 | * @device_fc: Flow Controller Settings. Only valid for slave channels. Fill |
339 | * with 'true' if peripheral should be flow controller. Direction will be | 339 | * with 'true' if peripheral should be flow controller. Direction will be |
340 | * selected at Runtime. | 340 | * selected at Runtime. |
341 | * @slave_id: Slave requester id. Only valid for slave channels. The dma | ||
342 | * slave peripheral will have unique id as dma requester which need to be | ||
343 | * pass as slave config. | ||
341 | * | 344 | * |
342 | * This struct is passed in as configuration data to a DMA engine | 345 | * This struct is passed in as configuration data to a DMA engine |
343 | * in order to set up a certain channel for DMA transport at runtime. | 346 | * in order to set up a certain channel for DMA transport at runtime. |
@@ -365,6 +368,7 @@ struct dma_slave_config { | |||
365 | u32 src_maxburst; | 368 | u32 src_maxburst; |
366 | u32 dst_maxburst; | 369 | u32 dst_maxburst; |
367 | bool device_fc; | 370 | bool device_fc; |
371 | unsigned int slave_id; | ||
368 | }; | 372 | }; |
369 | 373 | ||
370 | static inline const char *dma_chan_name(struct dma_chan *chan) | 374 | static inline const char *dma_chan_name(struct dma_chan *chan) |
@@ -670,6 +674,12 @@ static inline int dmaengine_resume(struct dma_chan *chan) | |||
670 | return dmaengine_device_control(chan, DMA_RESUME, 0); | 674 | return dmaengine_device_control(chan, DMA_RESUME, 0); |
671 | } | 675 | } |
672 | 676 | ||
677 | static inline enum dma_status dmaengine_tx_status(struct dma_chan *chan, | ||
678 | dma_cookie_t cookie, struct dma_tx_state *state) | ||
679 | { | ||
680 | return chan->device->device_tx_status(chan, cookie, state); | ||
681 | } | ||
682 | |||
673 | static inline dma_cookie_t dmaengine_submit(struct dma_async_tx_descriptor *desc) | 683 | static inline dma_cookie_t dmaengine_submit(struct dma_async_tx_descriptor *desc) |
674 | { | 684 | { |
675 | return desc->tx_submit(desc); | 685 | return desc->tx_submit(desc); |