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

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Message-ID: <0c31978c-2105-f656-cc27-76fefdb274ec@tuxon.dev>
Date:   Wed, 2 Aug 2023 07:50:39 +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>
Cc:     devicetree@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        linux-kernel@...r.kernel.org,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] ARM: dts: at91: ksz9477_evb: Add tx-internal-delay-ps
 property for port5



On 27.07.2023 11:06, Lukasz Majewski wrote:
> 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.
> 
> Signed-off-by: Lukasz Majewski <lukma@...x.de>

Applied to at91-dt, thanks!