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Message-ID: <20140306191747.GA32655@arch.cereza>
Date:	Thu, 6 Mar 2014 16:17:47 -0300
From:	Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>
To:	Andrew Lunn <andrew@...n.ch>
Cc:	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	devicetree@...r.kernel.org, Jason Cooper <jason@...edaemon.net>,
	Tawfik Bayouk <tawfik@...vell.com>,
	linux-kernel@...r.kernel.org, Nadav Haklai <nadavh@...vell.com>,
	Lior Amsalem <alior@...vell.com>,
	Gregory CLEMENT <gregory.clement@...e-electrons.com>,
	linux-arm-kernel@...ts.infradead.org,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Subject: Re: [PATCH] ARM: mvebu: add Device Tree for the Armada 385 RD board

On Mar 06, Andrew Lunn wrote:
> > Can't we fix this so the probe order doesn't affect the name?
> > 
> > Is that sane?
> 
> You are not supposed to trust the device name, since probing can
> happen in parallel, on different buses. udev should have rules to name
> the interfaces based on the MAC address. On my Debian system i have:
> 
> /etc/udev/rules.d/70-persistent-net.rules
> 
> So what is important is that the MAC addresses are assigned correctly
> to the device. And DT does that based on MMIO address, so should be
> reliable, independent of probe order.
> 

Right, makes perfect sense!

So we can just keep the nodes address-ordered, without caring about the name?

-- 
Ezequiel GarcĂ­a, Free Electrons
Embedded Linux, Kernel and Android Engineering
http://free-electrons.com
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