Re: [PATCH v5 14/24] rust: auxiliary: make Driver trait lifetime-parameterized
From: Gary Guo
Date: Wed May 27 2026 - 09:23:51 EST
On Mon May 25, 2026 at 9:21 PM BST, Danilo Krummrich wrote:
> Add a 'bound lifetime to the associated Data, changing type Data to type
> Data<'bound>.
>
> This allows the driver's bus device private data to capture the device /
> driver bound lifetime; device resources can be stored directly by
> reference rather than requiring Devres.
>
> The probe() and unbind() callbacks thus gain a 'bound lifetime parameter
> on the methods themselves; avoiding a global lifetime on the trait impl.
>
> Existing drivers set type Data<'bound> = Self, preserving the current
> behavior.
>
> Reviewed-by: Alexandre Courbot <acourbot@xxxxxxxxxx>
> Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Danilo Krummrich <dakr@xxxxxxxxxx>
Reviewed-by: Gary Guo <gary@xxxxxxxxxxx>
> ---
> drivers/gpu/drm/nova/driver.rs | 10 +++++-----
> rust/kernel/auxiliary.rs | 18 +++++++++---------
> samples/rust/rust_driver_auxiliary.rs | 10 +++++-----
> 3 files changed, 19 insertions(+), 19 deletions(-)