On Tue May 19, 2026 at 7:26 AM BST, Alvin Sun wrote: > Add a `ThisModule` associated type bound by `ModuleMetadata` to the > `drm::Driver` trait, allowing DRM drivers to expose their module > pointer for use in file operations.
FWIW, I was considering adding this automatically to the `#[vtable]` macro (associated types/consts won't have any costs if they're unused anyway). But requiring an explicit specification isn't too bad either. Best, Gary > > Signed-off-by: Alvin Sun <[email protected]> > --- > rust/kernel/drm/driver.rs | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/rust/kernel/drm/driver.rs b/rust/kernel/drm/driver.rs > index 5233bdebc9fcd..c798961650c1a 100644 > --- a/rust/kernel/drm/driver.rs > +++ b/rust/kernel/drm/driver.rs > @@ -115,6 +115,9 @@ pub trait Driver { > > /// IOCTL list. See `kernel::drm::ioctl::declare_drm_ioctls!{}`. > const IOCTLS: &'static [drm::ioctl::DrmIoctlDescriptor]; > + > + /// The module implementing this driver. > + type ThisModule: crate::ModuleMetadata; > } > > /// The registration type of a `drm::Device`.
