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Message-ID: <e053448f-2b58-408a-af22-d7b464c52781@linaro.org>
Date: Thu, 22 Feb 2024 19:14:51 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: forbidden405@...look.com, Yisen Zhuang <yisen.zhuang@...wei.com>,
 Salil Mehta <salil.mehta@...wei.com>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Andrew Lunn <andrew@...n.ch>,
 Heiner Kallweit <hkallweit1@...il.com>, Russell King <linux@...linux.org.uk>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org
Subject: Re: [PATCH net-next v4 1/6] dt-bindings: net: hisilicon-femac-mdio:
 convert to YAML

On 22/02/2024 13:43, Yang Xiwen via B4 Relay wrote:
> From: Yang Xiwen <forbidden405@...look.com>
> 
> For some FEMAC cores, MDIO bus is integrated to the MAC controller. So
> We don't have a dedicated MDIO bus clock.

Hm, this means you miss compatibles for these different cores.

> 
> Also due to the PHY reset procedure, it's required to manage all clocks
> and resets in the MAC controller driver. MAC controller clock can not be
> shared with MDIO bus node in dts.
> 
> Mark the clock optional to resolve this problem.

I don't understand how making clock optional solves this problem. Clock
is still there. Whether driver handles it, does not affect the binding.

Best regards,
Krzysztof


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