From: Andrew Lunn <andrew@lunn.ch>
To: "Michał Kępień" <kernel@kempniu.pl>
Cc: Vladimir Oltean <olteanv@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] net: dsa: qca8k: Disable mgmt Ethernet for qca8327
Date: Wed, 12 Aug 2026 15:19:28 +0200 [thread overview]
Message-ID: <469e446d-36ab-45c7-9bf5-6e040747572b@lunn.ch> (raw)
In-Reply-To: <anw5OvAxKh3pnezZ@larwa.hq.kempniu.pl>
> Could you please point me at the exact retry mechanism you had in mind,
> either the qca8k one or the Marvell equivalent? I cannot see any in
> drivers/net/dsa/qca/qca8k-8xxx.c. If I'm reading qca8k code correctly,
> when wait_for_completion_timeout() fails, its return value is just
> bubbled up the call chain.
With the mv88e6xxx code, if ethernet times out, i repeated the request
using MDIO. The code is not in mainline but a few users are using it.
At minimum, i would put a printk() there, and see if it happens. It
could be unrelated to your problem...
Andrew
next prev parent reply other threads:[~2026-08-12 13:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-10 6:15 [PATCH] net: dsa: qca8k: Disable mgmt Ethernet for qca8327 Michał Kępień
2026-08-10 13:38 ` Andrew Lunn
2026-08-12 9:13 ` Michał Kępień
2026-08-12 13:19 ` Andrew Lunn [this message]
2026-08-12 14:07 ` Michał Kępień
2026-08-10 13:53 ` Christian Marangi
2026-08-12 9:14 ` Michał Kępień
2026-08-12 9:22 ` Christian Marangi
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