linux-kernel - Re: phy_attach_direct()'s use of device_bind

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Message-ID: <5176f496-facb-d7b0-9f4e-a9e4b8974178@nvidia.com>
Date:   Thu, 11 Feb 2021 10:21:03 +0000
From:   Jon Hunter <jonathanh@...dia.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Saravana Kannan <saravanak@...gle.com>
CC:     Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        "Jakub Kicinski" <kuba@...nel.org>,
        Android Kernel Team <kernel-team@...roid.com>,
        netdev <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "Thierry Reding" <treding@...dia.com>
Subject: Re: phy_attach_direct()'s use of device_bind_driver()


On 10/02/2021 22:56, Andrew Lunn wrote:
> On Wed, Feb 10, 2021 at 02:13:48PM -0800, Saravana Kannan wrote:
>> Hi,
>>
>> This email was triggered by this other email[1].
> 
> And it appears the Tegra194 Jetson Xavier uses the Marvell 88E1512
> PHY. So ensure the Marvell driver is available, and it should get
> probed in the usual way, the fallback driver will not be needed.


Yes that is correct. Enabling the Marvell PHY does fix this indeed and
so I can enable that as part of our testsuite. We were seeing the same
warning on Tegra186 Jetson TX2 and enabling the BRCM PHY resolves that
as well. I will ensure that these are enabled going forward.

Cheers
Jon

-- 
nvpublic