From: Jakub Kicinski <kuba@kernel.org>
To: andrew@lunn.ch, o.rempel@pengutronix.de
Cc: Xu Yang <xu.yang_2@nxp.com>,
davem@davemloft.net, edumazet@google.com, pabeni@redhat.com,
max.schulze@online.de, khalasa@piap.pl,
linux-usb@vger.kernel.org, netdev@vger.kernel.org,
imx@lists.linux.dev
Subject: Re: [PATCH v2] net: usb: asix_devices: add phy_mask for ax88772 mdio bus
Date: Wed, 13 Aug 2025 16:36:36 -0700 [thread overview]
Message-ID: <20250813163636.21b5a3f5@kernel.org> (raw)
In-Reply-To: <20250811092931.860333-1-xu.yang_2@nxp.com>
On Mon, 11 Aug 2025 17:29:31 +0800 Xu Yang wrote:
> Without setting phy_mask for ax88772 mdio bus, current driver may create
> at most 32 mdio phy devices with phy address range from 0x00 ~ 0x1f.
> DLink DUB-E100 H/W Ver B1 is such a device. However, only one main phy
> device will bind to net phy driver. This is creating issue during system
> suspend/resume since phy_polling_mode() in phy_state_machine() will
> directly deference member of phydev->drv for non-main phy devices. Then
> NULL pointer dereference issue will occur. Due to only external phy or
> internal phy is necessary, add phy_mask for ax88772 mdio bus to workarnoud
> the issue.
Andrew, Oleksij, this looks like v2 of
https://lore.kernel.org/all/20250806082931.3289134-1-xu.yang_2@nxp.com/
are you willing to venture a Review tag here ? :)
next prev parent reply other threads:[~2025-08-13 23:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-11 9:29 [PATCH v2] net: usb: asix_devices: add phy_mask for ax88772 mdio bus Xu Yang
2025-08-13 23:36 ` Jakub Kicinski [this message]
2025-08-14 6:48 ` Oleksij Rempel
2025-08-14 9:50 ` patchwork-bot+netdevbpf
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