linux-kernel - Re: [PATCH 00/10] STM32 usart power improvements

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Date:   Mon, 10 Jun 2019 18:00:37 +0200
From:   Alexandre Torgue <alexandre.torgue@...com>
To:     Erwan Le Ray <erwan.leray@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
CC:     <linux-serial@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        Fabrice Gasnier <fabrice.gasnier@...com>
Subject: Re: [PATCH 00/10] STM32 usart power improvements

Hi Erwan,

On 6/4/19 10:55 AM, Erwan Le Ray wrote:
> This series delivers power improvements for stm32-usart driver.
> 
> Bich Hemon (4):
>    dt-bindings: serial: add optional pinctrl states
>    serial: stm32: select pinctrl state in each suspend/resume function
>    ARM: dts: stm32: Update pin states for uart4 on stm32mp157c-ed1
>    ARM: dts: stm32: Update UART4 pin states on stm32mp157a-dk1
> 
> Erwan Le Ray (6):
>    dt-bindings: serial: stm32: add wakeup option
>    serial: stm32: add pm_runtime support
>    serial: stm32: Use __maybe_unused instead of #if CONFIG_PM_SLEEP
>    serial: stm32: add support for no_console_suspend
>    ARM: dts: stm32: update uart4 pin configurations for low power
>    ARM: dts: stm32: add wakeup capability on each usart/uart on
>      stm32mp157c
> 
>   .../devicetree/bindings/serial/st,stm32-usart.txt  | 19 ++++-
>   arch/arm/boot/dts/stm32mp157-pinctrl.dtsi          | 17 +++++
>   arch/arm/boot/dts/stm32mp157a-dk1.dts              |  5 +-
>   arch/arm/boot/dts/stm32mp157c-ed1.dts              |  5 +-
>   arch/arm/boot/dts/stm32mp157c.dtsi                 | 40 ++++++++--
>   drivers/tty/serial/stm32-usart.c                   | 88 ++++++++++++++++++++--
>   drivers/tty/serial/stm32-usart.h                   |  1 +
>   7 files changed, 155 insertions(+), 20 deletions(-)
> 

I'll merge device tree part into stm32-next branch when binding part 
will be accepted.

regards
Alex