From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller 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) Message-ID: <20140320.171057.609753569047907079.davem@davemloft.net> References: <1395267324-5788-1-git-send-email-jgunthorpe@obsidianresearch.com> <1395267324-5788-2-git-send-email-jgunthorpe@obsidianresearch.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: robh+dt@kernel.org, f.fainelli@gmail.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org To: jgunthorpe@obsidianresearch.com Return-path: In-Reply-To: <1395267324-5788-2-git-send-email-jgunthorpe@obsidianresearch.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Jason Gunthorpe 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 > Acked-by: Florian Fainelli Also applied to net-next.