From: Vladimir Oltean <olteanv@gmail.com>
To: "Arınç ÜNAL" <arinc.unal@arinc9.com>
Cc: Daniel Golle <daniel@makrotopia.org>,
DENG Qingfang <dqfext@gmail.com>,
Sean Wang <sean.wang@mediatek.com>, Andrew Lunn <andrew@lunn.ch>,
Florian Fainelli <f.fainelli@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Landen Chao <Landen.Chao@mediatek.com>,
Frank Wunderlich <linux@fw-web.de>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, regressions@lists.linux.dev
Subject: Re: [PATCH net v3] net: dsa: mt7530: fix impossible MDIO address and issue warning
Date: Thu, 4 Jul 2024 20:21:54 +0300 [thread overview]
Message-ID: <20240704172154.opqyrv2mfgbxj7ce@skbuf> (raw)
In-Reply-To: <d3ac5584-8e52-46e0-b690-ad5faa1ede61@arinc9.com>
On Wed, Jul 03, 2024 at 10:03:09AM +0300, Arınç ÜNAL wrote:
> Works on standalone MT7530, MT7621's MCM MT7530, and MT7531. From MT7621's
> MCM MT7530:
>
> [ 1.357287] mt7530-mdio mdio-bus:1f: MT7530 adapts as multi-chip module
Why is the device corresponding to the first print located at address 1f,
then 0?
> [ 1.364065] mt7530-mdio mdio-bus:00: [Firmware Warn]: impossible switch MDIO address in device tree, assuming 31
> [ 1.374303] mt7530-mdio mdio-bus:00: probe with driver mt7530-mdio failed with error -14
> [...]
> [ 1.448370] mt7530-mdio mdio-bus:1f: MT7530 adapts as multi-chip module
> [ 1.477676] mt7530-mdio mdio-bus:1f: configuring for fixed/rgmii link mode
> [ 1.485687] mt7530-mdio mdio-bus:1f: Link is Up - 1Gbps/Full - flow control rx/tx
> [ 1.493480] mt7530-mdio mdio-bus:1f: configuring for fixed/trgmii link mode
> [ 1.502680] mt7530-mdio mdio-bus:1f lan1 (uninitialized): PHY [mt7530-0:00] driver [MediaTek MT7530 PHY] (irq=17)
> [ 1.513620] mt7530-mdio mdio-bus:1f: Link is Up - 1Gbps/Full - flow control rx/tx
> [ 1.519671] mt7530-mdio mdio-bus:1f lan2 (uninitialized): PHY [mt7530-0:01] driver [MediaTek MT7530 PHY] (irq=18)
> [ 1.533072] mt7530-mdio mdio-bus:1f lan3 (uninitialized): PHY [mt7530-0:02] driver [MediaTek MT7530 PHY] (irq=19)
> [ 1.545042] mt7530-mdio mdio-bus:1f lan4 (uninitialized): PHY [mt7530-0:03] driver [MediaTek MT7530 PHY] (irq=20)
> [ 1.557031] mt7530-mdio mdio-bus:1f wan (uninitialized): PHY [mt7530-0:04] driver [MediaTek MT7530 PHY] (irq=21)
next prev parent reply other threads:[~2024-07-04 17:21 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-02 23:44 Daniel Golle
2024-07-03 1:07 ` Andrew Lunn
2024-07-03 7:03 ` Arınç ÜNAL
2024-07-04 17:21 ` Vladimir Oltean [this message]
2024-07-04 18:19 ` Arınç ÜNAL
2024-07-04 18:52 ` Arınç ÜNAL
2024-07-04 2:13 ` Jakub Kicinski
2024-07-04 10:48 ` Daniel Golle
2024-07-04 14:16 ` Jakub Kicinski
2024-07-04 14:46 ` Florian Fainelli
2024-07-04 15:15 ` Daniel Golle
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