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| author | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2011-05-10 22:52:07 +0400 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2011-05-11 00:50:41 +0400 |
| commit | 020abf03cd659388f94cb328e1e1df0656e0d7ff (patch) | |
| tree | 40d05011708ad1b4a05928d167eb120420581aa6 /include/linux/dmaengine.h | |
| parent | 0ff8fbc61727c926883eec381fbd3d32d1fab504 (diff) | |
| parent | 693d92a1bbc9e42681c42ed190bd42b636ca876f (diff) | |
| download | linux-020abf03cd659388f94cb328e1e1df0656e0d7ff.tar.xz | |
Merge tag 'v2.6.39-rc7'
in order to pull in changes in drivers/media/dvb/firewire/ and
sound/firewire/.
Diffstat (limited to 'include/linux/dmaengine.h')
| -rw-r--r-- | include/linux/dmaengine.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 9d8688b92d8b..eee7addec282 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -434,7 +434,7 @@ struct dma_tx_state { * zero or error code * @device_tx_status: poll for transaction completion, the optional * txstate parameter can be supplied with a pointer to get a - * struct with auxilary transfer status information, otherwise the call + * struct with auxiliary transfer status information, otherwise the call * will just return a simple status code * @device_issue_pending: push pending transactions to hardware */ @@ -532,7 +532,7 @@ static inline int dmaengine_resume(struct dma_chan *chan) return dmaengine_device_control(chan, DMA_RESUME, 0); } -static inline int dmaengine_submit(struct dma_async_tx_descriptor *desc) +static inline dma_cookie_t dmaengine_submit(struct dma_async_tx_descriptor *desc) { return desc->tx_submit(desc); } @@ -824,6 +824,8 @@ enum dma_status dma_sync_wait(struct dma_chan *chan, dma_cookie_t cookie); #ifdef CONFIG_DMA_ENGINE enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx); void dma_issue_pending_all(void); +struct dma_chan *__dma_request_channel(dma_cap_mask_t *mask, dma_filter_fn fn, void *fn_param); +void dma_release_channel(struct dma_chan *chan); #else static inline enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx) { @@ -831,7 +833,14 @@ static inline enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descript } static inline void dma_issue_pending_all(void) { - do { } while (0); +} +static inline struct dma_chan *__dma_request_channel(dma_cap_mask_t *mask, + dma_filter_fn fn, void *fn_param) +{ + return NULL; +} +static inline void dma_release_channel(struct dma_chan *chan) +{ } #endif @@ -842,8 +851,6 @@ void dma_async_device_unregister(struct dma_device *device); void dma_run_dependencies(struct dma_async_tx_descriptor *tx); struct dma_chan *dma_find_channel(enum dma_transaction_type tx_type); #define dma_request_channel(mask, x, y) __dma_request_channel(&(mask), x, y) -struct dma_chan *__dma_request_channel(dma_cap_mask_t *mask, dma_filter_fn fn, void *fn_param); -void dma_release_channel(struct dma_chan *chan); /* --- Helper iov-locking functions --- */ |