From: Andrew Lunn <andrew@lunn.ch>
To: "Russell King (Oracle)" <linux@armlinux.org.uk>
Cc: Oleksij Rempel <o.rempel@pengutronix.de>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
devicetree@vger.kernel.org, Conor Dooley <conor+dt@kernel.org>,
imx@lists.linux.dev, Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Kieran Bingham <kieran.bingham@ideasonboard.com>,
Daniel Scally <dan.scally@ideasonboard.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Stefan Klug <stefan.klug@ideasonboard.com>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Fabio Estevam <festevam@gmail.com>, Rob Herring <robh@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] arm64: dts: imx8mp-debix-model-a: Disable EEE for 1000T
Date: Mon, 27 Oct 2025 13:50:21 +0100 [thread overview]
Message-ID: <f66d181d-7dd9-4955-bad5-478db2876e47@lunn.ch> (raw)
In-Reply-To: <aP9N9tCdlAbBgovC@shell.armlinux.org.uk>
> > Ack. With comment in the code, why we prefer this way, in case some one
> > wont to spend time on making it work. Probably SmartEEE or some other
> > word should be used.
>
> So we have options.
>
> However, we need to get to the bottom of what caused the change of
> behaviour before we start throwing solutions at this.
It also seems like the PHY is FUBAR. If the standard 802.3 EEE
registers are being used, a management plane is using them to
negotiate EEE with the link partner, the PHY firmware should disable
SmartEEE and only provide 802.3 EEE.
It sounds like this PHY is not 802.3 compatible.
Andrew
next prev parent reply other threads:[~2025-10-27 12:50 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-26 12:29 [PATCH] arm64: dts: imx8mp-debix-model-a: Disable EEE for 1000T Laurent Pinchart
2025-10-27 1:31 ` Fabio Estevam
2025-10-27 3:08 ` Andrew Lunn
2025-10-27 7:27 ` Laurent Pinchart
2025-10-27 8:47 ` Emanuele Ghidoli
2025-10-27 9:00 ` Russell King (Oracle)
2025-10-27 9:18 ` Emanuele Ghidoli
2025-10-27 9:32 ` Russell King (Oracle)
2025-10-27 23:08 ` Laurent Pinchart
2025-10-27 11:22 ` Russell King (Oracle)
2025-10-27 23:15 ` Laurent Pinchart
2025-10-27 9:12 ` Oleksij Rempel
2025-10-27 10:02 ` Laurent Pinchart
2025-10-27 10:23 ` Oleksij Rempel
2025-10-27 10:31 ` Laurent Pinchart
2025-10-27 10:34 ` Russell King (Oracle)
2025-10-27 10:44 ` Oleksij Rempel
2025-10-27 10:48 ` Russell King (Oracle)
2025-10-27 12:50 ` Andrew Lunn [this message]
2025-10-27 14:50 ` Oleksij Rempel
2025-11-12 12:34 ` Russell King (Oracle)
2025-11-12 12:41 ` Kieran Bingham
2025-11-12 12:56 ` Russell King (Oracle)
2025-11-13 1:17 ` Laurent Pinchart
2025-11-12 21:32 ` Laurent Pinchart
2025-10-27 9:07 ` Russell King (Oracle)
2025-10-27 9:33 ` Laurent Pinchart
2025-10-27 9:45 ` Russell King (Oracle)
2025-10-27 9:55 ` Laurent Pinchart
2025-10-27 13:33 ` Russell King (Oracle)
2025-10-27 15:13 ` Russell King (Oracle)
2025-10-27 19:52 ` Andrew Lunn
2025-10-27 23:46 ` Laurent Pinchart
2025-10-28 0:57 ` Russell King (Oracle)
2025-10-28 7:18 ` Laurent Pinchart
2025-11-11 23:54 ` Laurent Pinchart
2025-11-12 12:03 ` Russell King (Oracle)
2025-11-12 22:25 ` Laurent Pinchart
2025-11-13 1:06 ` Laurent Pinchart
2025-11-13 10:59 ` Russell King (Oracle)
2025-11-14 22:26 ` Laurent Pinchart
2025-11-18 1:50 ` Wei Fang
2025-11-22 7:22 ` Laurent Pinchart
2025-11-22 9:57 ` Russell King (Oracle)
2025-11-23 5:38 ` Laurent Pinchart
2025-11-23 8:52 ` Russell King (Oracle)
2025-11-23 15:23 ` Laurent Pinchart
2025-11-23 17:11 ` Russell King (Oracle)
2025-11-24 0:12 ` Laurent Pinchart
2025-11-24 5:44 ` Oleksij Rempel
2025-11-24 8:43 ` Russell King (Oracle)
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