Re: [PATCH v3 1/8] driver core: bus: add irq_get_affinity callback to bus_type

[John Garry <john.g.garry@oracle.com>]

On 12/11/2024 13:26, Daniel Wagner wrote:
> Introducing a callback in struct bus_type so that a subsystem
> can hook up the getters directly. This approach avoids exposing
> random getters in any subsystems APIs.
> 
> Acked-by: Bjorn Helgaas <bhelgaas@google.com>
> Signed-off-by: Daniel Wagner <wagi@kernel.org>
> ---
>   include/linux/device/bus.h | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h
> index cdc4757217f9bb4b36b5c3b8a48bab45737e44c5..b18658bce2c3819fc1cbeb38fb98391d56ec3317 100644
> --- a/include/linux/device/bus.h
> +++ b/include/linux/device/bus.h
> @@ -48,6 +48,7 @@ struct fwnode_handle;
>    *		will never get called until they do.
>    * @remove:	Called when a device removed from this bus.

My impression is that this would be better suited to "struct 
device_driver", but I assume that there is a good reason to add to 
"struct bus_type".