From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Da Xue <da@lessconfused.com>
Cc: Andrew Lunn <andrew@lunn.ch>,
Neil Armstrong <neil.armstrong@linaro.org>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
Kevin Hilman <khilman@baylibre.com>,
linux-kernel@vger.kernel.org, stable@vger.kernel.org,
Da Xue <da@libre.computer>, Eric Dumazet <edumazet@google.com>,
netdev@vger.kernel.org, Jerome Brunet <jbrunet@baylibre.com>,
Jakub Kicinski <kuba@kernel.org>,
linux-amlogic@lists.infradead.org,
Paolo Abeni <pabeni@redhat.com>,
"David S . Miller" <davem@davemloft.net>,
linux-arm-kernel@lists.infradead.org,
Heiner Kallweit <hkallweit1@gmail.com>
Subject: Re: [PATCH v2] net: mdio: mux-meson-gxl: set 28th bit in eth_reg2
Date: Tue, 1 Apr 2025 00:59:25 +0100 [thread overview]
Message-ID: <Z-ssXdmRLYqKbyn6@shell.armlinux.org.uk> (raw)
In-Reply-To: <CACdvmAhvh-+-yiATTqnzJCLthtr8uNpJqUrXQGs5MFJSHafkSQ@mail.gmail.com>
On Mon, Mar 31, 2025 at 05:21:08PM -0400, Da Xue wrote:
> I found this on the zircon kernel:
>
> #define REG2_ETH_REG2_REVERSED (1 << 28)
>
> pregs->Write32(REG2_ETH_REG2_REVERSED | REG2_INTERNAL_PHY_ID, PER_ETH_REG2);
>
> I can respin and call it that.
Which interface mode is being used, and what is the MAC connected to?
"Reversed" seems to imply that _this_ end is acting as a PHY rather
than the MAC in the link, so I think a bit more information (the above)
is needed to ensure that this is the correct solution.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
next prev parent reply other threads:[~2025-03-31 23:59 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-31 7:44 [PATCH v2] net: mdio: mux-meson-gxl: set 28th bit in eth_reg2 Christian Hewitt
2025-03-31 13:22 ` Neil Armstrong
2025-03-31 13:43 ` Andrew Lunn
2025-03-31 13:53 ` Russell King (Oracle)
2025-03-31 19:09 ` Da Xue
2025-03-31 20:30 ` Russell King (Oracle)
2025-03-31 21:21 ` Da Xue
2025-03-31 23:59 ` Russell King (Oracle) [this message]
2025-04-01 2:44 ` Da Xue
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