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

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Date:	Fri, 12 Jul 2013 15:33:59 +0100
From:	Mark Jackson <mpfj-list@...flow.co.uk>
To:	Mugunthan V N <mugunthanvnm@...com>
CC:	Peter Korsgaard <jacmet@...site.dk>, linux-omap@...r.kernel.org,
	netdev@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
	hvaibhav@...com, richardcochran@...il.com, tony@...mide.com,
	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 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>

Is this ever going to be put into the mainline code ?
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