netdev - Re: [PATCH] net: mvneta: properly disable HW PHY polling and ensure adjust

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Date:	Thu, 05 Sep 2013 08:23:12 +0200
From:	yves@...ny.fr
To:	Ethan Tuttle <ethan@...antuttle.com>
Cc:	Willy Tarreau <w@....eu>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Lior Amsalem <alior@...vell.com>,
	Gregory Clement <gregory.clement@...e-electrons.com>,
	Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>,
	Jochen De Smet <jochen.armkernel@...hnim.org>,
	Peter Sanford <psanford@...rbuy.io>,
	Ryan Press <ryan@...sslab.us>,
	Simon Guinot <simon.guinot@...uanux.org>, vdonnefort@...ie.com,
	stable@...r.kernel.org
Subject: Re: [PATCH] net: mvneta: properly disable HW PHY polling and ensure
 adjust_link() works

Hi Willy,
i would be interested too !

thx
Yves

Le 2013-09-05 07:22, Ethan Tuttle a écrit :
> Understood.  Ultimately, I'll use this board as a router, and stable
> mac addresses would be better than random.  So I would be interested
> to try your atag -> device tree patches.  Have they been posted
> somewhere I can find them?
> 
> Thanks Willy.
> 
> Ethan
> 
> On Wed, Sep 4, 2013 at 10:12 PM, Willy Tarreau <w@....eu> wrote:
>> Hi,
>> 
>> On Wed, Sep 04, 2013 at 09:14:23PM -0700, Ethan Tuttle wrote:
>>> Just booted with the patch on my Mirabox.  Both interfaces work!
>>> Thank you Thomas.
>>> 
>>> One remaining issue is that the interface which uBoot didn't 
>>> configure
>>> is still getting a random mac address:
>>> 
>>> mvneta d0070000.ethernet eth0: Using hardware mac address 
>>> f0:ad:4e:01:dc:97
>>> mvneta d0074000.ethernet eth1: Using random mac address 
>>> d2:35:dd:c8:99:48
>>> 
>>> This is on 3.11 plus Thomas' patch, which includes the previous fix 
>>> to
>>> "read MAC address from hardware when available".  Perhaps that fix
>>> isn't working with the phylib?
>> 
>> No this is unrelated. The MAC isn't configured by the boot loader when
>> the NIC is not used. U-boot only passes it as a non-standard ATAG. I
>> have some patches to reinject the non-standard atags into the device
>> tree if you absolutely need this, but they're not suited for mainline
>> inclusion from what I understood last time I proposed them (they use
>> a marvell-specific atag header).
>> 
>> Regards,
>> Willy
>> 
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