[PATCH 10/10] timer: Add a migration message

[Simon Glass]

Some boards still use the old timer mechanism. Set a deadline for them to
update to driver model.

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

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

 Makefile                               | 4 ++++
 doc/develop/driver-model/migration.rst | 8 ++++++++
 2 files changed, 12 insertions(+)

diff --git a/Makefile b/Makefile
index fb42276f9ec..84392c08f97 100644
--- a/Makefile
+++ b/Makefile
@@ -1123,6 +1123,10 @@ 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
+	$(call deprecated,CONFIG_TIMER,Timer drivers,v2022.10,$(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.
diff --git a/doc/develop/driver-model/migration.rst b/doc/develop/driver-model/migration.rst
index 3dbeea6537c..609818a35a8 100644
--- a/doc/develop/driver-model/migration.rst
+++ b/doc/develop/driver-model/migration.rst
@@ -106,3 +106,11 @@ 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 This is a legacy option which has been replaced by driver model.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: 2022.10
+
+These are legacy options which have been replaced by driver model.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.
-- 
2.34.0.rc1.387.gb447b232ab-goog