diff options
| author | Danilo Krummrich <dakr@kernel.org> | 2025-07-16 17:02:47 +0200 |
|---|---|---|
| committer | Danilo Krummrich <dakr@kernel.org> | 2025-07-19 19:36:51 +0200 |
| commit | 101d66828a4eefb89b72256155feb6ec9abc144a (patch) | |
| tree | 16a134f9a4eb29f60a7fb4cb3cefcf4de49c4f3c /rust/helpers/dma.c | |
| parent | d06d5f66f5494e29c1520583eac8382f0ab5f8a7 (diff) | |
rust: dma: add DMA addressing capabilities
Implement `dma_set_mask()`, `dma_set_coherent_mask()` and
`dma_set_mask_and_coherent()` in the `dma::Device` trait.
Those methods are used to set up the device's DMA addressing
capabilities.
Reviewed-by: Abdiel Janulgue <abdiel.janulgue@gmail.com>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20250716150354.51081-3-dakr@kernel.org
[ Add DmaMask::try_new(). - Danilo ]
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Diffstat (limited to 'rust/helpers/dma.c')
| -rw-r--r-- | rust/helpers/dma.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/rust/helpers/dma.c b/rust/helpers/dma.c index df8b8a77355a..6e741c197242 100644 --- a/rust/helpers/dma.c +++ b/rust/helpers/dma.c @@ -14,3 +14,8 @@ void rust_helper_dma_free_attrs(struct device *dev, size_t size, void *cpu_addr, { dma_free_attrs(dev, size, cpu_addr, dma_handle, attrs); } + +int rust_helper_dma_set_mask_and_coherent(struct device *dev, u64 mask) +{ + return dma_set_mask_and_coherent(dev, mask); +} |