diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2009-01-19 23:33:14 +0100 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2009-01-19 23:35:54 +0100 |
| commit | c50331e8be32eaba5e1949f98c70d50b891262db (patch) | |
| tree | b748c607329fd03868226ab4fba234a5702368d9 /include | |
| parent | dmaengine: kill some dubious WARN_ONCEs (diff) | |
| download | linux-c50331e8be32eaba5e1949f98c70d50b891262db.tar.xz linux-c50331e8be32eaba5e1949f98c70d50b891262db.zip | |
dmaengine: dma_issue_pending_all == nop when CONFIG_DMA_ENGINE=n
The device list will always be empty in this configuration, so no need
to walk the list.
Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/dmaengine.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 64dea2ab326c..c4a560e72ab7 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -390,11 +390,16 @@ static inline enum dma_status dma_async_is_complete(dma_cookie_t cookie, 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); #else static inline enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx) { return DMA_SUCCESS; } +static inline void dma_issue_pending_all(void) +{ + do { } while (0); +} #endif /* --- DMA device --- */ @@ -403,7 +408,6 @@ int dma_async_device_register(struct dma_device *device); 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); -void dma_issue_pending_all(void); #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); |