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Subject: Re: [PATCH net] net: mdio: mdio-bitbang: Fix C45 read/write protocol
From: patchwork-bot+netdevbpf@kernel.org
Message-Id: 
 <169244589958.30754.16676422230846280985.git-patchwork-notify@kernel.org>
Date: Sat, 19 Aug 2023 11:51:39 +0000
References: <20230816180656.18780-1-fancer.lancer@gmail.com>
In-Reply-To: <20230816180656.18780-1-fancer.lancer@gmail.com>
To: Serge Semin <fancer.lancer@gmail.com>
Cc: andrew@lunn.ch, hkallweit1@gmail.com, linux@armlinux.org.uk,
 davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
 geert+renesas@glider.be, michael@walle.cc, netdev@vger.kernel.org,
 linux-kernel@vger.kernel.org

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@davemloft.net>:

On Wed, 16 Aug 2023 21:06:52 +0300 you wrote:
> Based on the original code semantic in case of Clause 45 MDIO, the address
> command is supposed to be followed by the command sending the MMD address,
> not the CSR address. The commit 002dd3de097c ("net: mdio: mdio-bitbang:
> Separate C22 and C45 transactions") has erroneously broken that. So most
> likely due to an unfortunate variable name it switched the code to sending
> the CSR address. In our case it caused the protocol malfunction so the
> read operation always failed with the turnaround bit always been driven to
> one by PHY instead of zero. Fix that by getting back the correct
> behaviour: sending MMD address command right after the regular address
> command.
> 
> [...]

Here is the summary with links:
  - [net] net: mdio: mdio-bitbang: Fix C45 read/write protocol
    https://git.kernel.org/netdev/net/c/2572ce62415c

You are awesome, thank you!
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