From: patchwork-bot+netdevbpf@kernel.org
To: Ciprian Regus <ciprian.regus@analog.com>
Cc: linux-kernel@vger.kernel.org, nuno.sa@analog.com,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, horms@kernel.org, michal.simek@amd.com,
broonie@kernel.org, yangyingliang@huawei.com,
amit.kumar-mahapatra@amd.com, dell.jin.code@outlook.com,
netdev@vger.kernel.org
Subject: Re: [net-next v2] net: ethernet: adi: adin1110: Reduce the MDIO_TRDONE poll interval
Date: Tue, 27 Feb 2024 10:30:30 +0000 [thread overview]
Message-ID: <170902983098.8915.14921560374432662804.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20240223162129.154114-1-ciprian.regus@analog.com>
Hello:
This patch was applied to netdev/net-next.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Fri, 23 Feb 2024 18:21:27 +0200 you wrote:
> In order to do a clause 22 access to the PHY registers of the ADIN1110,
> we have to write the MDIO frame to the ADIN1110_MDIOACC register, and
> then poll the MDIO_TRDONE bit (for a 1) in the same register. The
> device will set this bit to 1 once the internal MDIO transaction is
> done. In practice, this bit takes ~50 - 60 us to be set.
>
> The first attempt to poll the bit is right after the ADIN1110_MDIOACC
> register is written, so it will always be read as 0. The next check will
> only be done after 10 ms, which will result in the MDIO transactions
> taking a long time to complete. Reduce this polling interval to 100 us.
> Since this interval is short enough, switch the poll function to
> readx_poll_timeout_atomic() instead.
>
> [...]
Here is the summary with links:
- [net-next,v2] net: ethernet: adi: adin1110: Reduce the MDIO_TRDONE poll interval
https://git.kernel.org/netdev/net-next/c/2322467a0f5d
You are awesome, thank you!
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prev parent reply other threads:[~2024-02-27 10:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-23 16:21 [net-next v2] net: ethernet: adi: adin1110: Reduce the MDIO_TRDONE poll interval Ciprian Regus
2024-02-26 23:26 ` Andrew Lunn
2024-02-27 10:30 ` patchwork-bot+netdevbpf [this message]
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