diff options
| author | Bence Csókás <csokas.bence@prolan.hu> | 2025-06-10 11:22:53 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2025-06-27 01:18:04 +0300 |
| commit | 08bf1663c21a3e815eda28fa242d84c945ca3b94 (patch) | |
| tree | 5aa3b75c0fb1151407c85ab1e23decc29099759f /include/linux/dmaengine.h | |
| parent | 19272b37aa4f83ca52bdf9c16d5d81bdd1354494 (diff) | |
| download | linux-08bf1663c21a3e815eda28fa242d84c945ca3b94.tar.xz | |
dmaengine: Add devm_dma_request_chan()
Expand the arsenal of devm functions for DMA devices, this time for
requesting channels.
Signed-off-by: Bence Csókás <csokas.bence@prolan.hu>
Link: https://lore.kernel.org/r/20250610082256.400492-2-csokas.bence@prolan.hu
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'include/linux/dmaengine.h')
| -rw-r--r-- | include/linux/dmaengine.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index bb146c5ac3e4..6de7c05d6bd8 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -1524,6 +1524,7 @@ struct dma_chan *__dma_request_channel(const dma_cap_mask_t *mask, struct dma_chan *dma_request_chan(struct device *dev, const char *name); struct dma_chan *dma_request_chan_by_mask(const dma_cap_mask_t *mask); +struct dma_chan *devm_dma_request_chan(struct device *dev, const char *name); void dma_release_channel(struct dma_chan *chan); int dma_get_slave_caps(struct dma_chan *chan, struct dma_slave_caps *caps); @@ -1560,6 +1561,12 @@ static inline struct dma_chan *dma_request_chan_by_mask( { return ERR_PTR(-ENODEV); } + +static inline struct dma_chan *devm_dma_request_chan(struct device *dev, const char *name) +{ + return ERR_PTR(-ENODEV); +} + static inline void dma_release_channel(struct dma_chan *chan) { } |