netdev - Re: [Intel-wired-lan] [next] igb: allow setting MAC address on i211 using a device tree blob

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Message-Id: <DF83416F-314C-4F27-A649-DD6574A83AE7@gmail.com>
Date:	Wed, 10 Feb 2016 10:16:27 +0100
From:	John Holland <jotihojr@...il.com>
To:	Andrew Lunn <andrew@...n.ch>
Cc:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org
Subject: Re: [Intel-wired-lan] [next] igb: allow setting MAC address on i211 using a device tree blob


On Feb 9, 2016, at 12:59, Andrew Lunn <andrew@...n.ch> wrote:

>>> +       dn = of_find_compatible_node(NULL, NULL, "intel,i211");
> 
> Humm, NULL, NULL. That means find the first node anywhere in the
> device tree which matches. This is not going to work too well when you
> have multiple i211s.
> 
> There is a way so specify a DT node is attached to a specific PCIe
> bus/slot. I think you should search only there, so solving the
> multiple device issue.
> 

Good point. Will specify the current PCIe node.