From: Andrew Lunn <andrew@lunn.ch>
To: Markus Stockhausen <markus.stockhausen@gmx.de>
Cc: hkallweit1@gmail.com, linux@armlinux.org.uk, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
netdev@vger.kernel.org, chris.packham@alliedtelesis.co.nz,
daniel@makrotopia.org, robh@kernel.org, krzk+dt@kernel.org,
conor+dt@kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH net-next v13 10/11] net: mdio: realtek-rtl9300: Add support for RTL839x
Date: Mon, 10 Aug 2026 00:19:11 +0200 [thread overview]
Message-ID: <7e8f9f4d-8d76-4dfb-952b-985e9aac00dd@lunn.ch> (raw)
In-Reply-To: <20260807171058.522833-11-markus.stockhausen@gmx.de>
> As per the SDK the PHYs on a RTl83xx bus are mainly C22 driven. The
> polling unit works in C22 mode and the devicetree usually does not
> make use of the ethernet-phy-ieee802.3-c45 flag. Nevertheless there are
> some PHY MMD registers (e.g. EEE) that might be of interest for the
> future development of the hardware. Until that is really needed keep
> the C45 read/write helpers out of the driver.
Actually, since C45 over C22 is FUBAR, you probably do want C45 bus
transactions so you can access the EEE registers.
Andrew
next prev parent reply other threads:[~2026-08-09 22:19 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-07 17:10 [PATCH net-next v13 00/11] net: mdio: realtek-rtl9300: Add RTL83xx support Markus Stockhausen
2026-08-07 17:10 ` [PATCH net-next v13 01/11] dt-bindings: net: realtek,rtl9301-mdio: Add RTL83xx series Markus Stockhausen
2026-08-07 17:10 ` [PATCH net-next v13 02/11] net: mdio: realtek-rtl9300: Add polling documentation Markus Stockhausen
2026-08-09 21:37 ` Andrew Lunn
2026-08-07 17:10 ` [PATCH net-next v13 03/11] net: phy: add (*notify_phy_attach/detach)() hooks to struct mii_bus Markus Stockhausen
2026-08-07 17:10 ` [PATCH net-next v13 04/11] net: mdio: realtek-rtl9300: suppress sysfs bind/unbind attributes Markus Stockhausen
2026-08-07 17:10 ` [PATCH net-next v13 05/11] net: mdio: realtek-rtl9300: Configure hardware polling during probing Markus Stockhausen
2026-08-09 21:51 ` Andrew Lunn
2026-08-07 17:10 ` [PATCH net-next v13 06/11] net: mdio: realtek-rtl9300: Add page tracking Markus Stockhausen
2026-08-09 21:58 ` Andrew Lunn
2026-08-07 17:10 ` [PATCH net-next v13 07/11] net: mdio: realtek-rtl9300: Increase MDIO timeout Markus Stockhausen
2026-08-07 17:10 ` [PATCH net-next v13 08/11] net: mdio: realtek-rtl9300: Check for C45 support during setup Markus Stockhausen
2026-08-09 22:13 ` Andrew Lunn
2026-08-07 17:10 ` [PATCH net-next v13 09/11] net: mdio: realtek-rtl9300: Add support for RTL838x Markus Stockhausen
2026-08-09 22:15 ` Andrew Lunn
2026-08-07 17:10 ` [PATCH net-next v13 10/11] net: mdio: realtek-rtl9300: Add support for RTL839x Markus Stockhausen
2026-08-09 22:19 ` Andrew Lunn [this message]
2026-08-07 17:10 ` [PATCH net-next v13 11/11] net: mdio: realtek-rtl9300: reword Kconfig and module description Markus Stockhausen
2026-08-09 22:19 ` Andrew Lunn
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