linux-kernel - Re: [PATCH V2 9/9] ARM: dts: stm32: add initial support of stm32mp157c eval board

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Message-ID: <42407e75-7e27-2c68-9993-37865c57a9fd@st.com>
Date:   Tue, 19 Dec 2017 10:17:13 +0100
From:   Alexandre Torgue <alexandre.torgue@...com>
To:     Arnd Bergmann <arnd@...db.de>, Ludovic Barre <ludovic.Barre@...com>
CC:     Russell King <linux@...linux.org.uk>,
        Rob Herring <robh+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Gerald Baeza <gerald.baeza@...com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        DTML <devicetree@...r.kernel.org>
Subject: Re: [PATCH V2 9/9] ARM: dts: stm32: add initial support of
 stm32mp157c eval board

Hi,

On 12/18/2017 09:20 PM, Arnd Bergmann wrote:
> On Mon, Dec 18, 2017 at 4:17 PM, Ludovic Barre <ludovic.Barre@...com> wrote:
> =
>> +
>> +/ {
>> +       model = "STMicroelectronics STM32MP157C eval daughter";
>> +       compatible = "st,stm32mp157c-ed1", "st,stm32mp157";
>> +
>> +       chosen {
>> +               bootargs = "earlyprintk console=ttySTM3,115200 root=/dev/ram";
>> +               stdout-path = "serial3:115200n8";
>> +       };
> 
> I'd remove the bootargs here and let the boot loader take care of
> that, in particular
> since all three arguments are rather old-school: earlycon is preferred over
> earlyprintk, console= should not be needed if you set stdout-path, and
> /dev/ram is obsoleted by initramfs.

In this case I will modify also stm32 mcu devicetree in this way.

Thanks
Alex


> 
>          Arnd
>