From: Jon Hunter <jonathanh@nvidia.com>
To: "Russell King (Oracle)" <linux@armlinux.org.uk>,
Thierry Reding <treding@nvidia.com>,
"Lad, Prabhakar" <prabhakar.csengg@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>,
Andrew Lunn <andrew@lunn.ch>, Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Heiner Kallweit <hkallweit1@gmail.com>,
Jakub Kicinski <kuba@kernel.org>,
linux-arm-kernel@lists.infradead.org,
linux-stm32@st-md-mailman.stormreply.com,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
netdev@vger.kernel.org, Paolo Abeni <pabeni@redhat.com>,
"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>
Subject: Re: [PATCH RFC net-next v2 0/3] net: stmmac: approach 2 to solve EEE LPI reset issues
Date: Fri, 7 Mar 2025 16:11:19 +0000 [thread overview]
Message-ID: <29bc7abd-b5cc-4359-8aa6-dbf66e8b70e4@nvidia.com> (raw)
In-Reply-To: <Z8m-CRucPxDW5zZK@shell.armlinux.org.uk>
Hi Russell,
On 06/03/2025 15:23, Russell King (Oracle) wrote:
> Hi,
>
> This is a second approach to solving the STMMAC reset issues caused by
> the lack of receive clock from the PHY where the media is in low power
> mode with a PHY that supports receive clock-stop.
>
> The first approach centred around only addressing the issue in the
> resume path, but it seems to also happen when the platform glue module
> is removed and re-inserted (Jon - can you check whether that's also
> the case for you please?)
>
> As this is more targetted, I've dropped the patches from this series
> which move the call to phylink_resume(), so the link may still come
> up too early on resume - but that's something I also intend to fix.
>
> This is experimental - so I value test reports for this change.
The subject indicates 3 patches, but I only see 2 patches? Can you
confirm if there are 2 or 3?
So far I have only tested to resume case with the 2 patches to make that
that is working but on Tegra186, which has been the most problematic, it
is not working reliably on top of next-20250305.
Cheers,
Jon
--
nvpublic
next parent reply other threads:[~2025-03-07 16:11 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Z8m-CRucPxDW5zZK@shell.armlinux.org.uk>
2025-03-07 16:11 ` Jon Hunter [this message]
2025-03-07 17:07 ` [PATCH RFC net-next v2 0/3] net: stmmac: approach 2 to solve EEE LPI reset issues Russell King (Oracle)
2025-03-10 14:20 ` Jon Hunter
2025-03-11 13:25 ` Jon Hunter
2025-03-11 13:58 ` Russell King (Oracle)
2025-03-11 17:32 ` Jon Hunter
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