Re: [PATCH v3 14/27] rust: i2c: make Driver trait lifetime-parameterized
From: Alexandre Courbot
Date: Mon May 18 2026 - 11:49:41 EST
On Sun May 17, 2026 at 9:01 AM JST, 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.
>
> Acked-by: Igor Korotin <igor.korotin@xxxxxxxxx>
> Signed-off-by: Danilo Krummrich <dakr@xxxxxxxxxx>
Reviewed-by: Alexandre Courbot <acourbot@xxxxxxxxxx>