From: Andrew Lunn <andrew@lunn.ch>
To: Christoph Stoidner <C.Stoidner@phytec.de>
Cc: Stefan Wahren <wahrenst@gmx.net>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"imx@lists.linux.dev" <imx@lists.linux.dev>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"upstream@lists.phytec.de" <upstream@lists.phytec.de>
Subject: Re: [PATCH v3] arm64: dts: freescale: imx93-phycore-som: Delay the phy reset by a gpio
Date: Wed, 28 May 2025 21:29:17 +0200 [thread overview]
Message-ID: <5afa6d62-4a3f-4c28-8165-363075ac36d8@lunn.ch> (raw)
In-Reply-To: <517be266ebc3b55da53372a76a139245f8945cd8.camel@phytec.de>
> Yes, that's what I measured. For analysis, I added some debug outputs
> to
> the phy reset and the 1st phy register access. And as I can see, the
> phy register access happens when userland sets up the network:
Please repeat the measurements with NFS root.
You will find that the kernel brings the interface up right have
register_netdev() is called, and starts transmitting. It can happen
before register_netdev() even returns.
Andrew
next prev parent reply other threads:[~2025-05-28 19:29 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-24 11:23 [PATCH v3] arm64: dts: freescale: imx93-phycore-som: Delay the phy reset by a gpio Christoph Stoidner
2025-05-24 17:44 ` Andrew Lunn
2025-05-24 21:37 ` AW: " Christoph Stoidner
2025-05-26 6:44 ` Stefan Wahren
2025-05-26 9:09 ` Christoph Stoidner
2025-05-26 9:24 ` Stefan Wahren
2025-05-26 10:04 ` Christoph Stoidner
2025-05-26 12:14 ` Stefan Wahren
2025-05-28 18:30 ` Christoph Stoidner
2025-05-28 19:29 ` Andrew Lunn [this message]
2025-05-30 13:40 ` Christoph Stoidner
2025-06-02 2:09 ` Andrew Lunn
2025-06-02 11:46 ` Christoph Stoidner
2025-06-02 12:26 ` Andrew Lunn
2025-07-08 8:35 ` [Upstream] " Primoz Fiser
2025-07-18 17:33 ` Christoph Stoidner
2025-07-18 17:47 ` Andrew Lunn
2025-08-07 12:53 ` Christoph Stoidner
2025-08-20 2:36 ` Shawn Guo
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