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| author | Maxime Ripard <maxime@cerno.tech> | 2022-06-08 20:11:27 +0300 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2022-06-08 20:11:27 +0300 |
| commit | 6e2b347d42e54282e4c6cfa08272db462b178f7f (patch) | |
| tree | 7686345b2e24c406a57feffcad558484f9552366 /include/linux/dmaengine.h | |
| parent | e54a4424925a27ed94dff046db3ce5caf4b1e748 (diff) | |
| parent | f2906aa863381afb0015a9eb7fefad885d4e5a56 (diff) | |
| download | linux-6e2b347d42e54282e4c6cfa08272db462b178f7f.tar.xz | |
Merge v5.19-rc1 into drm-misc-fixes
Let's kick-off the start of the 5.19 fix cycle
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'include/linux/dmaengine.h')
| -rw-r--r-- | include/linux/dmaengine.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 842d4f7ca752..b46b88e6aa0d 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -870,7 +870,6 @@ struct dma_device { struct device *dev; struct module *owner; struct ida chan_ida; - struct mutex chan_mutex; /* to protect chan_ida */ u32 src_addr_widths; u32 dst_addr_widths; @@ -1031,6 +1030,14 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_interleaved_dma( return chan->device->device_prep_interleaved_dma(chan, xt, flags); } +/** + * dmaengine_prep_dma_memset() - Prepare a DMA memset descriptor. + * @chan: The channel to be used for this descriptor + * @dest: Address of buffer to be set + * @value: Treated as a single byte value that fills the destination buffer + * @len: The total size of dest + * @flags: DMA engine flags + */ static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_memset( struct dma_chan *chan, dma_addr_t dest, int value, size_t len, unsigned long flags) |