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timer: Add a migration message

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Some boards still use the old timer mechanism. Set a deadline for them to
update to driver model. Point to some examples as well.

This needs a bit of a strange rule to avoid an error on some boards.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2021-12-18 11:27:29 -07:00 committed by Tom Rini
parent 0797e736d1
commit 6e4a7eaf7d
2 changed files with 16 additions and 0 deletions
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4
Makefile
View file

@ -1129,6 +1129,10 @@ endif
$(call deprecated,CONFIG_DM_ETH,Ethernet drivers,v2020.07,$(CONFIG_NET))
$(call deprecated,CONFIG_DM_I2C,I2C drivers,v2022.04,$(CONFIG_SYS_I2C_LEGACY))
$(call deprecated,CONFIG_DM_KEYBOARD,Keyboard drivers,v2022.10,$(CONFIG_KEYBOARD))
@# CONFIG_SYS_TIMER_RATE has brackets in it for some boards which
@# confuses this rule. Use if() to send just a single character which
@# is enable to tell 'deprecated' that one of these symbols exists
$(call deprecated,CONFIG_TIMER,Timer drivers,v2023.01,$(if $(strip $(CONFIG_SYS_TIMER_RATE)$(CONFIG_SYS_TIMER_COUNTER)),x))
@# 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.

12
doc/develop/driver-model/migration.rst
View file

@ -106,3 +106,15 @@ Deadline: 2022.10
This is a legacy option which has been replaced by driver model.
Maintainers should submit patches switching over to using CONFIG_DM_KEYBOARD and
other base driver model options in time for inclusion in the 2022.10 release.
CONFIG_SYS_TIMER_RATE and CONFIG_SYS_TIMER_COUNTER
--------------------------------------------------
Deadline: 2023.01
These are legacy options which have been replaced by driver model.
Maintainers should submit patches switching over to using CONFIG_TIMER and
other base driver model options in time for inclusion in the 2022.10 release.
There is only one method to implement, unless you want to support bootstage,
in which case you need an early timer also. For example drivers, see
sandbox_timer.c and rockchip_timer.c