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Date:   Wed, 8 Aug 2018 14:11:09 +0200
From:   Marek Vasut <marex@...x.de>
To:     Simon Goldschmidt <simon.k.r.goldschmidt@...il.com>
Cc:     Dinh Nguyen <dinguyen@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: dts: socfpga: use stdout-path for chosen node

On 08/08/2018 02:02 PM, Simon Goldschmidt wrote:
> On Wed, Aug 8, 2018 at 1:32 PM Marek Vasut <marex@...x.de> wrote:
>>
>> On 08/08/2018 11:09 AM, Simon Goldschmidt wrote:
>>> Use stdout-path dts property for kernel console.
>>>
>>> There were two socfpga boards left not using stdout-path:
>>> socrates and vining. Make sure they match the other boards.
>>>
>>> Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@...il.com>
>>> ---
>>>  arch/arm/boot/dts/socfpga_cyclone5_socrates.dts    | 3 ++-
>>>  arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts | 3 ++-
>>>  2 files changed, 4 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/arch/arm/boot/dts/socfpga_cyclone5_socrates.dts b/arch/arm/boot/dts/socfpga_cyclone5_socrates.dts
>>> index 53bf99eef66d..6f5255a7d192 100644
>>> --- a/arch/arm/boot/dts/socfpga_cyclone5_socrates.dts
>>> +++ b/arch/arm/boot/dts/socfpga_cyclone5_socrates.dts
>>> @@ -22,7 +22,8 @@
>>>       compatible = "ebv,socrates", "altr,socfpga-cyclone5", "altr,socfpga";
>>>
>>>       chosen {
>>> -             bootargs = "console=ttyS0,115200";
>>> +             bootargs = "earlyprintk";
>>> +             stdout-path = "serial0:115200n8";
>>>       };
>>>
>>>       memory@0 {
>>> diff --git a/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts b/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts
>>> index f50b19447de6..e61efe16e79c 100644
>>> --- a/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts
>>> +++ b/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts
>>> @@ -54,7 +54,8 @@
>>>       compatible = "samtec,vining", "altr,socfpga-cyclone5", "altr,socfpga";
>>>
>>>       chosen {
>>> -             bootargs = "console=ttyS0,115200";
>>> +             bootargs = "earlyprintk";
>>
>> Why this earlyprintk ?
> 
> The reason is Dinh added that to all socfpga boards in his commit [1]
> and I wanted the remaining two boards to be the same.

Isn't earlyprintk mostly a debugging aid ?

-- 
Best regards,
Marek Vasut

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