linux-kernel - Re: [PATCH] ARM: dts: at91: ksz9477_evb: Add tx-internal-delay-ps property for port5

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Date:   Thu, 24 Aug 2023 13:00:25 +0300
From:   claudiu beznea <claudiu.beznea@...on.dev>
To:     Lukasz Majewski <lukma@...x.de>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>
Cc:     devicetree@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: dts: at91: ksz9477_evb: Add tx-internal-delay-ps
 property for port5

Hi, Lukasz,

On 8/24/23 12:17, Lukasz Majewski wrote:
> Dear Community,
> 
>> Without this change the KSZ9477 Evaluation board's Linux (v6.5-rc1)
>> shows following device warning:
>>
>> 'ksz-switch spi1.0: Port 5 interpreting RGMII delay settings based on
>> "phy-mode" property, please update device tree to specify
>> "rx-internal-delay-ps" and "tx-internal-delay-ps"'
>>
>> This is not critical, as KSZ driver by itself assigns default value of
>> tx delay to 2000 ps (as 'rgmii-txid' is set as PHY mode).
>>
>> However, to avoid extra warnings in logs - the missing
>> 'tx-internal-delay-ps' has been specified with the default value of
>> 2000 ps.
>>
> 
> Gentle ping on this patch.
> 
> Claudiu, could you pick it as well?

It's already in arm-soc:

https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git/log/arch/arm/boot/dts/microchip?h=for-next