netdev - Re: [PATCHv2] am33xx: cpsw: default to ethernet hwaddr from efuse if not defined in dt

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Message-ID: <20130905201637.GB10973@ohporter.com>
Date:	Thu, 5 Sep 2013 16:16:39 -0400
From:	Matt Porter <matt.porter@...aro.org>
To:	Peter Korsgaard <jacmet@...site.dk>
Cc:	Mark Jackson <mpfj-list@...flow.co.uk>, tony@...mide.com,
	Mugunthan V N <mugunthanvnm@...com>,
	linux-omap@...r.kernel.org, netdev@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org, hvaibhav@...com,
	richardcochran@...il.com, Olof Johansson <olof@...om.net>,
	Kevin Hilman <khilman@...aro.org>, michal.bachraty@...il.com,
	michal.bachraty@...eamunlimited.com
Subject: Re: [PATCHv2] am33xx: cpsw: default to ethernet hwaddr from efuse if
 not defined in dt

On Mon, Jul 15, 2013 at 07:31:18AM +0200, Peter Korsgaard wrote:
> >>>>> "Mark" == Mark Jackson <mpfj-list@...flow.co.uk> writes:
> 
> Hi,
> 
>  Mark> On 08/07/13 13:42, Mark Jackson wrote:
>  >> On 18/01/13 05:14, Mugunthan V N wrote:
>  >>> On 1/18/2013 3:48 AM, Peter Korsgaard wrote:
>  >>>> When booting with CONFIG_ARM_APPENDED_DTB (either because of using an old
>  >>>> U-Boot, not wanting the hassle of 2 files or when using Falcon fast boot
>  >>>> mode in U-Boot), nothing updates the ethernet hwaddr specified for the
>  >>>> CPSW slaves, causing the driver to use a random hwaddr, which is some times
>  >>>> troublesome.
>  >>>> 
>  >>>> The am33xx has unique ethernet hwaddrs programmed in the efuse, so it makes
>  >>>> more sense to default to these rather than random ones. Add a fixup step
>  >>>> which adds mac-address dt properties using the efuse addresses if the DTB
>  >>>> didn't contain valid ones.
>  >>>> 
>  >>>> Signed-off-by: Peter Korsgaard <jacmet@...site.dk>
>  >>> 
>  >>> This implementation looks fine.
>  >>> Acked-by: Mugunthan V N <mugunthanvnm@...com>
>  >> 
>  >> Tested-by: Mark Jackson <mpfj-list@...flow.co.uk>
> 
>  Mark> Is this ever going to be put into the mainline code ?
> 
> Good question. Tony, could you please pick this up? It has been pending
> since January and has a number of acks.
> 
> Do you want me to resend?

Also working nicely here on 3.11.

Tested-by: Matt Porter <matt.porter@...aro.org>

Kevin or Olof: can you apply? Seems to be continuing no response after
Ack back in January.

-Matt
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