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 v15 11/13] net: mdio: realtek-rtl9300: Add support for RTL838x
Date: Wed, 2 Sep 2026 02:17:28 +0200 [thread overview]
Message-ID: <75a8e6db-6b31-4e72-924f-4f53d46bdfe9@lunn.ch> (raw)
In-Reply-To: <20260831143439.2404484-12-markus.stockhausen@gmx.de>
On Mon, Aug 31, 2026 at 04:34:37PM +0200, Markus Stockhausen wrote:
> The MDIO driver has been prepared for multiple device support. Add all
> required bits for the RTL838x (aka maple) series. This is straightforward
> but some things are worth mentioning.
>
> - The device has a lot in common with the RTL930x series. It has 28 ports,
> 4096 (Realtek) pages and 4 MMIO registers. With this a lot of the
> existing RTL9300 defines could be reused. But to avoid confusion and
> for better readability duplicate the defines with a proper prefix.
> - The MDIO engine has no fail bit. Thus the mask is set to zero.
> - There is only one SMI bus for 1G PHYs. No bus_map_base register exists.
> - The setup_controller() function needs no C45 configuration as polling
> only works in C22 mode
> - The PHY access must be activated by a special register flag.
>
> Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
next prev parent reply other threads:[~2026-09-02 0:17 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-31 14:34 [PATCH net-next v15 00/13] net: mdio: realtek-rtl9300: Add RTL83xx support Markus Stockhausen
2026-08-31 14:34 ` [PATCH net-next v15 01/13] dt-bindings: net: realtek,rtl9301-mdio: Add RTL83xx series Markus Stockhausen
2026-08-31 14:34 ` [PATCH net-next v15 02/13] net: mdio: realtek-rtl9300: Add polling documentation Markus Stockhausen
2026-08-31 14:34 ` [PATCH net-next v15 03/13] net: mdio: realtek-rtl9300: deny C45 over C22 access Markus Stockhausen
2026-09-02 0:08 ` Andrew Lunn
2026-09-02 5:36 ` [net-next,v15,03/13] " netdev-bot+sashiko
2026-08-31 14:34 ` [PATCH net-next v15 04/13] net: phy: add phy_detach_internal() helper Markus Stockhausen
2026-09-02 0:09 ` Andrew Lunn
2026-08-31 14:34 ` [PATCH net-next v15 05/13] net: phy: add (*notify_phy_attach/detach)() hooks to struct mii_bus Markus Stockhausen
2026-09-02 0:10 ` Andrew Lunn
2026-09-02 5:36 ` [net-next,v15,05/13] " netdev-bot+sashiko
2026-08-31 14:34 ` [PATCH net-next v15 06/13] net: mdio: realtek-rtl9300: suppress sysfs bind/unbind attributes Markus Stockhausen
2026-09-02 0:12 ` Andrew Lunn
2026-09-02 5:36 ` [net-next,v15,06/13] " netdev-bot+sashiko
2026-08-31 14:34 ` [PATCH net-next v15 07/13] net: mdio: realtek-rtl9300: Configure hardware polling during probing Markus Stockhausen
2026-09-02 0:14 ` Andrew Lunn
2026-09-02 5:36 ` [net-next,v15,07/13] " netdev-bot+sashiko
2026-08-31 14:34 ` [PATCH net-next v15 08/13] net: mdio: realtek-rtl9300: Add page tracking Markus Stockhausen
2026-09-02 0:16 ` Andrew Lunn
2026-09-02 5:36 ` [net-next,v15,08/13] " netdev-bot+sashiko
2026-08-31 14:34 ` [PATCH net-next v15 09/13] net: mdio: realtek-rtl9300: Increase MDIO timeout Markus Stockhausen
2026-08-31 14:34 ` [PATCH net-next v15 10/13] net: mdio: realtek-rtl9300: Open up C22 and C45 space in parallel Markus Stockhausen
2026-09-02 0:16 ` Andrew Lunn
2026-09-02 5:36 ` [net-next,v15,10/13] " netdev-bot+sashiko
2026-08-31 14:34 ` [PATCH net-next v15 11/13] net: mdio: realtek-rtl9300: Add support for RTL838x Markus Stockhausen
2026-09-02 0:17 ` Andrew Lunn [this message]
2026-09-02 5:36 ` [net-next,v15,11/13] " netdev-bot+sashiko
2026-08-31 14:34 ` [PATCH net-next v15 12/13] net: mdio: realtek-rtl9300: Add support for RTL839x Markus Stockhausen
2026-09-02 0:18 ` Andrew Lunn
2026-09-02 5:32 ` AW: " Markus Stockhausen
2026-09-02 5:36 ` [net-next,v15,12/13] " netdev-bot+sashiko
2026-08-31 14:34 ` [PATCH net-next v15 13/13] net: mdio: realtek-rtl9300: reword Kconfig and module description Markus Stockhausen
2026-09-03 2:10 ` [PATCH net-next v15 00/13] net: mdio: realtek-rtl9300: Add RTL83xx support patchwork-bot+netdevbpf
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