* [PATCH v4] timer: Add a migration message
@ 2021-12-18 18:27 Simon Glass
2022-01-13 12:53 ` Tom Rini
0 siblings, 1 reply; 2+ messages in thread
From: Simon Glass @ 2021-12-18 18:27 UTC (permalink / raw)
To: U-Boot Mailing List
Cc: Tom Rini, Simon Glass, Marek Behún, Pali Rohár
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>
---
Changes in v4:
- Fix alsol typo
Changes in v3:
- Push out the deadline
Makefile | 4 ++++
doc/develop/driver-model/migration.rst | 12 ++++++++++++
2 files changed, 16 insertions(+)
diff --git a/Makefile b/Makefile
index ab32efb4d11..7b24250103e 100644
--- a/Makefile
+++ b/Makefile
@@ -1124,6 +1124,10 @@ 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.
diff --git a/doc/develop/driver-model/migration.rst b/doc/develop/driver-model/migration.rst
index 3dbeea6537c..10f474e9cdf 100644
--- a/doc/develop/driver-model/migration.rst
+++ b/doc/develop/driver-model/migration.rst
@@ -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This is a legacy option which has been replaced by driver model.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+These are legacy options which have been replaced by driver model.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
--
2.34.1.173.g76aa8bc2d0-goog
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v4] timer: Add a migration message
2021-12-18 18:27 [PATCH v4] timer: Add a migration message Simon Glass
@ 2022-01-13 12:53 ` Tom Rini
0 siblings, 0 replies; 2+ messages in thread
From: Tom Rini @ 2022-01-13 12:53 UTC (permalink / raw)
To: Simon Glass; +Cc: U-Boot Mailing List, Marek Behún, Pali Rohár
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On Sat, Dec 18, 2021 at 11:27:29AM -0700, Simon Glass wrote:
> 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>
Applied to u-boot/master, thanks!
--
Tom
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