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

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Date:	Tue, 9 Feb 2016 12:59:21 +0100
From:	Andrew Lunn <andrew@...n.ch>
To:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Cc:	John Holland <jotihojr@...il.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

> > +       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.

	 Andrew