Commit 8eb698f5 authored by Danilo Krummrich's avatar Danilo Krummrich
Browse files

rust: pci: implement the `dma::Device` trait 



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

Reviewed-by: default avatarDaniel Almeida <daniel.almeida@collabora.com>
Reviewed-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20250716150354.51081-4-dakr@kernel.org


Signed-off-by: default avatarDanilo Krummrich <dakr@kernel.org>
parent 101d6682

rust/kernel/pci.rs

+2 −0
Original line number Diff line number Diff line
@@ -449,6 +449,8 @@ pub fn set_master(&self) { 
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) {