[PATCH v2 09/20] dm: add tag support

[Simon Glass]

On Thu, 10 Feb 2022 at 01:12, AKASHI Takahiro
<takahiro.akashi at linaro.org> wrote:
>
> With dm-tag feature, any U-Boot subsystem is allowed to associate
> arbitrary number of data with a particular udevice. This can been
> see as expanding "struct udevice" without modifying the definition.
>
> As a first user, UEFI subsystem makes use of tags to associate
> an efi_disk object with a block device.
>
> Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>
> ---
>  drivers/core/Makefile             |   2 +-
>  drivers/core/root.c               |   2 +
>  drivers/core/tag.c                | 139 ++++++++++++++++++++++++++++++
>  include/asm-generic/global_data.h |   4 +
>  include/dm/tag.h                  | 110 +++++++++++++++++++++++
>  5 files changed, 256 insertions(+), 1 deletion(-)
>  create mode 100644 drivers/core/tag.c
>  create mode 100644 include/dm/tag.h

Reviewed-by: Simon Glass <sjg at chromium.org>