Subject: Re: [PATCH v6 0/6] clockevent: add low power STM32 timer

From: Lee Jones <[email-masked]>
Date: Thu, 16 Apr 2020 08:04:41 +0100

On Wed, 01 Apr 2020, Benjamin Gaignard wrote:

> This series add low power timer as boadcast clockevent device.
> Low power timer could runs even when CPUs are in idle mode and 
> could wakeup them.
> 
> version 6:
> - simplify binding, DT and code to use only one interrupt
> 
> version 5:
> - document interrupts and interrupt-names bindings
> - use a different wake up interrupt
> - add device-tree patch
> - make STM32MP157 select low power timer configuration flag
> - enable fast_io in regmap configuration
> 
> version 4:
> - move defines in mfd/stm32-lptimer.h
> - change compatible and subnode names
> - document wakeup-source property
> - reword commit message
> - make driver Kconfig depends of MFD_STM32_LPTIMER
> - remove useless include
> - remove rate and clk fields from the private structure
> - to add comments about the registers sequence in stm32_clkevent_lp_set_timer
> - rework probe function and use devm_request_irq()
> - do not allow module to be removed
> 
> version 3:
> - fix timer set sequence
> - don't forget to free irq on remove function
> - use devm_kzalloc to simplify errors handling in probe function
> 
> version 2:
> - stm32 clkevent driver is now a child of the stm32 lp timer node
> - add a probe function and adpat the driver to use regmap provide
>   by it parent
> - stop using timer_of helpers
> 
> 
> Benjamin Gaignard (6):
>   dt-bindings: mfd: Document STM32 low power timer bindings
>   ARM: dts: stm32: Add timer subnodes on stm32mp15 SoCs
>   mfd: stm32: Add defines to be used for clkevent purpose
>   mfd: stm32: enable regmap fast_io for stm32-lptimer
>   clocksource: Add Low Power STM32 timers driver
>   ARM: mach-stm32: select low power timer for STM32MP157
> 
>  .../devicetree/bindings/mfd/st,stm32-lptimer.yaml  |  21 ++
>  arch/arm/boot/dts/stm32mp151.dtsi                  |  35 ++++
>  arch/arm/mach-stm32/Kconfig                        |   1 +
>  drivers/clocksource/Kconfig                        |   4 +
>  drivers/clocksource/Makefile                       |   1 +
>  drivers/clocksource/timer-stm32-lp.c               | 221 +++++++++++++++++++++
>  drivers/mfd/stm32-lptimer.c                        |   1 +
>  include/linux/mfd/stm32-lptimer.h                  |   5 +

I'd be happy to take this set, but you need Acks from the other
subsystem Maintainers before I can do so.

>  8 files changed, 289 insertions(+)
>  create mode 100644 drivers/clocksource/timer-stm32-lp.c
> 

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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