linux-kernel - Re: [PATCH RFC net-next 3/6] net: hibmcge: create a software node for phy

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Message-ID: <41fb1824-7576-46c4-ba1b-ab7f9680c562@huawei.com>
Date: Wed, 17 Dec 2025 20:57:47 +0800
From: Jijie Shao <shaojijie@...wei.com>
To: Andrew Lunn <andrew@...n.ch>
CC: <shaojijie@...wei.com>, <davem@...emloft.net>, <edumazet@...gle.com>,
	<kuba@...nel.org>, <pabeni@...hat.com>, <andrew+netdev@...n.ch>,
	<horms@...nel.org>, <Frank.Sae@...or-comm.com>, <hkallweit1@...il.com>,
	<linux@...linux.org.uk>, <shenjian15@...wei.com>, <liuyonglong@...wei.com>,
	<chenhao418@...wei.com>, <jonathan.cameron@...wei.com>,
	<salil.mehta@...wei.com>, <shiyongbang@...wei.com>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RFC net-next 3/6] net: hibmcge: create a software node for
 phy_led


on 2025/12/16 15:17, Andrew Lunn wrote:
> On Mon, Dec 15, 2025 at 08:57:02PM +0800, Jijie Shao wrote:
>> +int hbg_mdio_init(struct hbg_priv *priv)
>> +{
>> +	struct device *dev = &priv->pdev->dev;
>> +	struct hbg_mac *mac = &priv->mac;
>>   	struct mii_bus *mdio_bus;
>>   	int ret;
>>   
>> @@ -281,7 +389,7 @@ int hbg_mdio_init(struct hbg_priv *priv)
>>   
>>   	mdio_bus->parent = dev;
>>   	mdio_bus->priv = priv;
>> -	mdio_bus->phy_mask = ~(1 << mac->phy_addr);
>> +	mdio_bus->phy_mask = 0xFFFFFFFF; /* not scan phy device */
>>   	mdio_bus->name = "hibmcge mii bus";
>>   	mac->mdio_bus = mdio_bus;
> I think you are taking the wrong approach.
>
> Please consider trying to use of_mdiobus_register(). Either load a DT
> overlay, or see if you can construct a tree of properties as you have
> been doing, and pass it to of_mdiobus_register(). You then don't need
> to destroy and create PHY devices.
>
> 	Andrew


Ok， I will try like this

Thanks
Jijie Shao