From: David Miller <davem@davemloft.net>
To: jgunthorpe@obsidianresearch.com
Cc: robh+dt@kernel.org, f.fainelli@gmail.com,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH v3 2/2] of_mdio: Allow the DT to specify the phy ID and avoid autoprobing
Date: Thu, 20 Mar 2014 17:10:57 -0400 (EDT) [thread overview]
Message-ID: <20140320.171057.609753569047907079.davem@davemloft.net> (raw)
In-Reply-To: <1395267324-5788-2-git-send-email-jgunthorpe@obsidianresearch.com>
From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Date: Wed, 19 Mar 2014 16:15:24 -0600
> This makes the generic of_mdiobus_register parse the DT compatible string for
> the pattern ethernet-phy-idAAAA.BBBB. If present it should be a value that
> matches the phy-id register normally readable through MDIO.
>
> When the ID is given the phy autoprobing is defeated and the phy is
> created directly.
>
> This is necessary to support phy's that cannot be autoprobed when
> of_mdiobus_register is called. Specifically, my case has the phy in reset at
> of_mdiobus_register, the reset is only released once the ethernet driver
> starts, before it attaches to the phy.
>
> Tested on ARM Kirkwood with phy id 0x01410e90 (Marvell 88E1318)
>
> Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
> Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Also applied to net-next.
next prev parent reply other threads:[~2014-03-20 21:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-19 22:15 [PATCH v2a 1/2] dt: Document a compatible entry for MDIO ethernet Phys Jason Gunthorpe
2014-03-19 22:15 ` [PATCH v3 2/2] of_mdio: Allow the DT to specify the phy ID and avoid autoprobing Jason Gunthorpe
2014-03-19 22:40 ` Rob Herring
2014-03-20 21:10 ` David Miller [this message]
2014-03-20 8:26 ` [PATCH v2a 1/2] dt: Document a compatible entry for MDIO ethernet Phys Ben Dooks
2014-03-20 16:19 ` Jason Gunthorpe
2014-03-20 21:10 ` David Miller
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