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From: Jose Abreu <Jose.Abreu@synopsys.com>
To: Katsuhiro Suzuki <katsuhiro@katsuster.net>,
	Giuseppe Cavallaro <peppe.cavallaro@st.com>,
	Alexandre Torgue <alexandre.torgue@st.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Cc: Andrew Lunn <andrew@lunn.ch>, Heiko Stuebner <heiko@sntech.de>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: RE: stmmac regression on ASUS TinkerBoard
Date: Tue, 25 Jun 2019 07:46:12 +0000	[thread overview]
Message-ID: <78EB27739596EE489E55E81C33FEC33A0B9D7065@DE02WEMBXB.internal.synopsys.com> (raw)
In-Reply-To: <8fa9ce79-6aa2-d44d-e24d-09cc1b2b70a3@katsuster.net>

From: Katsuhiro Suzuki <katsuhiro@katsuster.net>

> I checked drivers/net/ethernet/stmicro/stmmac/stmmac_main.c and found
> stmmac_init_phy() is going to fail if ethernet device node does not
> have following property:
>    - phy-handle
>    - phy
>    - phy-device
> 
> This commit broke the device-trees such as TinkerBoard. The mdio
> subnode creating a mdio bus is changed to required or still optional?

Yeah, with PHYLINK the PHY binding is always required ...

How do you want to proceed ? I think DT bindings can never break between 
releases so I will probably need to cook a patch for stmmac.

Thanks,
Jose Miguel Abreu
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  reply	other threads:[~2019-06-25  7:46 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-23 14:14 stmmac regression on ASUS TinkerBoard Katsuhiro Suzuki
2019-06-25  7:46 ` Jose Abreu [this message]
2019-06-25  7:50   ` Heiko Stübner

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