[U-Boot] [PATCHv3 1/4] dm: MIGRATION: Add migration plan for DM_MMC

[Simon Goldschmidt]

On Fri, Nov 30, 2018 at 12:21 AM Tom Rini <trini at konsulko.com> wrote:
>
> Given that at this point the MMC subsystem itself has been migrated
> along with a number of subsystem drivers, formalize a deadline for
> migration.
>
> Reviewed-by: Simon Glass <sjg at chromium.org>
> Cc: Jaehoon Chung <jh80.chung at samsung.com>
> Signed-off-by: Tom Rini <trini at konsulko.com>

Reviewed-by: Simon Goldschmidt <simon.k.r.goldschmidt at gmail.com>

> ---
> Changes in v3:
> - Ensure CONFIG_MMC is set
> Changes in v2:
> - Note that failure to migration may lead to removal.
> ---
>  Makefile                       | 10 ++++++++++
>  doc/driver-model/MIGRATION.txt |  9 +++++++++
>  2 files changed, 19 insertions(+)
>
> diff --git a/Makefile b/Makefile
> index a4b1d1db5241..53046e763e0b 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -920,6 +920,16 @@ ifeq ($(CONFIG_DM_I2C_COMPAT)$(CONFIG_SANDBOX),y)
>         @echo "before sending patches to the mailing list."
>         @echo "===================================================="
>  endif
> +ifeq ($(CONFIG_MMC),y)
> +ifneq ($(CONFIG_DM_MMC)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy)
> +       @echo "===================== WARNING ======================"
> +       @echo "This board does not use CONFIG_DM_MMC. Please update"
> +       @echo "the board to use CONFIG_DM_MMC before the v2019.04 release."
> +       @echo "Failure to update by the deadline may result in board removal."
> +       @echo "See doc/driver-model/MIGRATION.txt for more info."
> +       @echo "===================================================="
> +endif
> +endif
>         @# Check that this build does not use CONFIG options that we do not
>         @# know about unless they are in Kconfig. All the existing CONFIG
>         @# options are whitelisted, so new ones should not be added.
> diff --git a/doc/driver-model/MIGRATION.txt b/doc/driver-model/MIGRATION.txt
> index 5ebefd608b99..71c26571828a 100644
> --- a/doc/driver-model/MIGRATION.txt
> +++ b/doc/driver-model/MIGRATION.txt
> @@ -5,6 +5,15 @@ U-Boot has been migrating to a new driver model since its introduction in
>  2014. This file describes the schedule for deprecation of pre-driver-model
>  features.
>
> +CONFIG_DM_MMC
> +-------------
> +
> +Status: In progress
> +Deadline: 2019.04
> +
> +The subsystem itself has been converted and maintainers should submit patches
> +switching over to using CONFIG_DM_MMC and other base driver model options in
> +time for inclusion in the 2019.04 rerelease.
>
>  CONFIG_BLK
>  ----------
> --
> 2.7.4
>
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