From: "Rafał Miłecki" <zajec5@gmail.com>
To: Florian Fainelli <f.fainelli@gmail.com>,
Vladimir Oltean <olteanv@gmail.com>
Cc: Network Development <netdev@vger.kernel.org>,
Andrew Lunn <andrew@lunn.ch>,
Heiner Kallweit <hkallweit1@gmail.com>,
Russell King <rmk+kernel@armlinux.org.uk>
Subject: Re: Race between "Generic PHY" and "bcm53xx" drivers after -EPROBE_DEFER
Date: Tue, 21 Sep 2021 12:52:21 +0200 [thread overview]
Message-ID: <9043d467-bf5d-5800-8c4c-8d9dac636cb2@gmail.com> (raw)
In-Reply-To: <9a9b648c-2867-bdf8-8f6b-086d459419a8@gmail.com>
On 21.09.2021 11:45, Rafał Miłecki wrote:
> On 20.09.2021 20:25, Florian Fainelli wrote:
>> On 9/20/21 11:17 AM, Vladimir Oltean wrote:
>> [snip]
>>>> All I am saying is that there is not really any need to come up with a
>>>> Device Tree-based solution since you can inspect the mdio_device and
>>>> find out whether it is an Ethernet PHY or a MDIO device proper, and that
>>>> ought to cover all cases that I can think of.
>>>
>>> Okay, but where's the problem? I guess we're on the same page, and
>>> you're saying that we should not be calling bcma_mdio_mii_register, and
>>> assigning the result to bgmac->mii_bus, because that makes us call
>>> bcma_phy_connect instead of bgmac_phy_connect_direct. But based on what
>>> condition? Simply if bgmac->phyaddr == BGMAC_PHY_NOREGS?
>>
>> Yes simply that condition, I really believe it ought to be enough for
>> the space these devices are in use.
>
> I'm afraid I got lost somewhere in this discussion.
>
> If we don't call bcma_mdio_mii_register() (as suggested in quoted
> e-mail) then MDIO device 0x1e won't get created and "bcm53xx"
> (b53_mdio.c) won't ever load.
I did a quick test and replaced bcma_phy_connect with
bgmac_phy_connect_direct.
That fixes the problem for me.
So I guess we should:
1. Leave the bcma_mdio_mii_register() call
2. Use bcma_phy_connect() only for real PHY device
Correct me if I'm wrong please.
next prev parent reply other threads:[~2021-09-21 10:52 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-20 12:52 Race between "Generic PHY" and "bcm53xx" drivers after -EPROBE_DEFER Rafał Miłecki
2021-09-20 16:36 ` Florian Fainelli
2021-09-20 17:03 ` Vladimir Oltean
2021-09-20 17:14 ` Florian Fainelli
2021-09-20 17:40 ` Vladimir Oltean
2021-09-20 17:46 ` Florian Fainelli
2021-09-20 18:02 ` Vladimir Oltean
2021-09-20 18:10 ` Florian Fainelli
2021-09-20 18:17 ` Vladimir Oltean
2021-09-20 18:25 ` Florian Fainelli
2021-09-20 18:36 ` Vladimir Oltean
2021-09-21 9:45 ` Rafał Miłecki
2021-09-21 10:52 ` Rafał Miłecki [this message]
2021-09-20 18:58 ` Vladimir Oltean
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