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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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doc/develop/driver-model/migration.rst
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@@ -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This is a legacy option which has been replaced by driver model.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These are legacy options which have been replaced by driver model.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