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dm: MIGRATION: Add migration plan for CONFIG_DM 

For many sub-systems we already require the driver model to be used. Yet
there is still a handful of boards that do not have CONFIG_DM enabled.

We should make CONFIG_DM compulsory with release v2020.01

Conversion dates for CONFIG_DM_SPL and CONFIG_DM_TPL are yet to be defined.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Heinrich Schuchardt 2019-09-16 18:41:42 +02:00 committed by Tom Rini
parent 1e3966394a
commit 282ed24fb3
2 changed files with 18 additions and 0 deletions
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8
Makefile
View File

@ -940,6 +940,14 @@ ifneq ($(CONFIG_DM_SPI)$(CONFIG_OF_CONTROL),yy)
endif
endif
endif
ifneq ($(CONFIG_DM),y)
@echo >&2 "===================== WARNING ======================"
@echo >&2 "This board does not use CONFIG_DM. CONFIG_DM will be"
@echo >&2 "compulsory starting with the v2020.01 release."
@echo >&2 "Failure to update may result in board removal."
@echo >&2 "See doc/driver-model/migration.rst for more info."
@echo >&2 "===================================================="
endif
ifeq ($(CONFIG_MMC),y)
ifneq ($(CONFIG_DM_MMC)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy)
@echo >&2 "===================== WARNING ======================"

10
doc/driver-model/migration.rst
View File

@ -7,6 +7,16 @@ 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
---------
* Status: In progress
* Deadline: 2020.01
Starting with the 2010.01 release CONFIG_DM will be enabled for all boards.
This does not concern CONFIG_DM_SPL and CONFIG_DM_TPL. The conversion date for
these configuration items still needs to be defined.
CONFIG_DM_MMC
-------------