linux-kernel - Re: [PATCH] net: mv643xx_eth: Add missing phy_addr

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Date:	Mon, 4 Nov 2013 19:36:35 -0500
From:	Jason Cooper <jason@...edaemon.net>
To:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Cc:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	David Miller <davem@...emloft.net>,
	Lennert Buytenhek <buytenh@...tstofly.org>,
	Andrew Lunn <andrew@...n.ch>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: mv643xx_eth: Add missing phy_addr_set in DT mode

Jason,

On Mon, Nov 04, 2013 at 05:27:19PM -0700, Jason Gunthorpe wrote:
> Commit cc9d4598 'net: mv643xx_eth: use of_phy_connect if phy_node

fyi: set core.abbrev = 12 in your git config, according to Linus, 7/8
was a bad decision...

> present' made the call to phy_scan optional, if the DT has a link to
> the phy node.
> 
> However phy_scan has the side effect of calling phy_addr_set, which
> writes the phy MDIO address to the ethernet controller. If phy_addr_set
> is not called, and the bootloader has not set the correct address then
> the driver will fail to function.
> 
> Tested on Kirkwood.
> 
> Signed-off-by: Jason Gunthorpe <jgunthorpe@...idianresearch.com>

Fixes: cc9d459894b0 "net: mv643xx_eth: use of_phy_connect if phy_node present"
Acked-by: Jason Cooper <jason@...edaemon.net>

And it should be suitable for v3.11+

thx,

Jason.
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