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

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Date:	Wed, 4 Sep 2013 22:22:26 -0700
From:	Ethan Tuttle <ethan@...antuttle.com>
To:	Willy Tarreau <w@....eu>
Cc:	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>,
	Chény Yves-Gael <yves@...ny.fr>,
	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

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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