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 05/11] net: mdio: realtek-rtl9300: Configure hardware polling during probing
Date: Sun, 9 Aug 2026 23:51:39 +0200 [thread overview]
Message-ID: <c0a3307c-d41e-4dac-a5f1-754412641881@lunn.ch> (raw)
In-Reply-To: <20260807171058.522833-6-markus.stockhausen@gmx.de>
> This polling enabling/disabling does not solve the current inability
> of the driver to handle C45-over-C22 access during normal operation.
> For all existing designs this is not needed.
How about adding a WARN_ONCE(regnum == MII_MMD_CTRL || regnum ==
MII_MMD_DATA) and return -ENOTSUPP.
That makes it clear it is not supported, and any attempts fail, rather
than cause silent corruption.
Andrew
next prev parent reply other threads:[~2026-08-09 21:51 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 [this message]
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
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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