linux-kernel - Re: [PATCH net v1 1/1] net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups

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Message-ID: <20250916074259.509382a8@kernel.org>
Date: Tue, 16 Sep 2025 07:42:59 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Oleksij Rempel <o.rempel@...gutronix.de>
Cc: Alan Stern <stern@...land.harvard.edu>, "Russell King (Oracle)"
 <linux@...linux.org.uk>, Marek Szyprowski <m.szyprowski@...sung.com>,
 Andrew Lunn <andrew+netdev@...n.ch>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni
 <pabeni@...hat.com>, Hubert Wiśniewski
 <hubert.wisniewski.25632@...il.com>, stable@...r.kernel.org,
 kernel@...gutronix.de, linux-kernel@...r.kernel.org,
 netdev@...r.kernel.org, Lukas Wunner <lukas@...ner.de>, Xu Yang
 <xu.yang_2@....com>, linux-usb@...r.kernel.org
Subject: Re: [PATCH net v1 1/1] net: usb: asix: ax88772: drop phylink use in
 PM to avoid MDIO runtime PM wakeups

On Tue, 16 Sep 2025 09:18:09 +0200 Oleksij Rempel wrote:
> Given autosuspend brings no measurable benefit here, and it hasn’t been
> effectively functional for this device in earlier kernels, I suggest a minimal
> -stable patch that disables USB autosuspend for ASIX driver to avoid the
> PM/RTNL/MDIO issues. If someone needs autosuspend-based low-power later, they
> can implement a proper device low-power sequence and re-enable it.
> 
> Would this minimal -stable patch be acceptable?

SGTM