[RFC 1/7] dm: add get_dp_node() to struct uclass_driver

[Simon Glass]

Hi Heinrich,

On Mon, 27 Mar 2023 at 06:27, Heinrich Schuchardt
<heinrich.schuchardt at canonical.com> wrote:
>
> Currently the device paths don't match the dm tree.
> We should create a device path node per dm tree node.
>
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
> ---
>  include/dm/uclass.h | 5 +++++
>  1 file changed, 5 insertions(+)

This affects very few uclasses but adds a field to all of them. I
think an event might be best for this. We can add an event spy in each
of the affected uclasses.


>
> diff --git a/include/dm/uclass.h b/include/dm/uclass.h
> index ee15c92063..e11637ce4d 100644
> --- a/include/dm/uclass.h
> +++ b/include/dm/uclass.h
> @@ -11,6 +11,7 @@
>
>  #include <dm/ofnode.h>
>  #include <dm/uclass-id.h>
> +#include <efi.h>
>  #include <linker_lists.h>
>  #include <linux/list.h>
>
> @@ -68,6 +69,7 @@ struct udevice;
>   * @child_post_probe: Called after a child in this uclass is probed
>   * @init: Called to set up the uclass
>   * @destroy: Called to destroy the uclass
> + * @get_dp_node: Get EFI device path node
>   * @priv_auto: If non-zero this is the size of the private data
>   * to be allocated in the uclass's ->priv pointer. If zero, then the uclass
>   * driver is responsible for allocating any data required.
> @@ -99,6 +101,9 @@ struct uclass_driver {
>         int (*child_post_probe)(struct udevice *dev);
>         int (*init)(struct uclass *class);
>         int (*destroy)(struct uclass *class);
> +#if CONFIG_IS_ENABLED(EFI_LOADER)
> +       struct efi_device_path *(*get_dp_node)(struct udevice *dev);
> +#endif
>         int priv_auto;
>         int per_device_auto;
>         int per_device_plat_auto;
> --
> 2.39.2
>