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rust: pci: implement the dma::Device trait

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The PCI bus is potentially capable of performing DMA, hence implement
the `dma:Device` trait for `pci::Device`.

Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20250716150354.51081-4-dakr@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
This commit is contained in:
Danilo Krummrich
2025-07-16 17:02:48 +02:00
parent 101d66828a
commit 8eb698f547
1 changed files with 2 additions and 0 deletions
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2
rust/kernel/pci.rs
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@@ -449,6 +449,8 @@ impl Device<device::Core> {
kernel::impl_device_context_deref!(unsafe { Device });
kernel::impl_device_context_into_aref!(Device);
impl crate::dma::Device for Device<device::Core> {}
// SAFETY: Instances of `Device` are always reference-counted.
unsafe impl crate::types::AlwaysRefCounted for Device {
fn inc_ref(&self) {