From: arnd@arndb•de (Arnd Bergmann)
To: linux-arm-kernel@lists•infradead.org
Subject: [RFC PATCH 1/2] OMAP2+: add cpu id register to MAC address helper
Date: Fri, 25 Mar 2011 12:49:32 +0100 [thread overview]
Message-ID: <201103251249.32578.arnd@arndb.de> (raw)
In-Reply-To: <20110324212729.14936.98130.stgit@otae.warmcat.com>
On Thursday 24 March 2011, Andy Green wrote:
> Introduce a generic helper function that can set a MAC address using
> data from the OMAP unique CPU ID register.
>
> For comparison purposes this produces a MAC address of
>
> 2e:40:70:f0:12:06
>
> for the ethernet device on my Panda.
>
>
> Note that this patch requires the fix patch for CPU ID register
> indexes previously posted to linux-omap, otherwise the CPU ID is
> misread on Panda by the existing function to do it. This patch
> is already on linux-omap.
>
> "OMAP2+:Common CPU DIE ID reading code reads wrong registers for OMAP4430"
> http://git.kernel.org/?p=linux/kernel/git/tmlind/linux-omap-2.6.git;a=commit;h=b235e007831dbf57710e59cd4a120e2f374eecb9
>
> Signed-off-by: Andy Green <andy.green@linaro•org>
Acked-by: Arnd Bergmann <arnd@arndb•de>
TI folks: While this is a working solution, I still think it would
be good to get an officially sanctioned method that allows the creation
of a IEEE 802 MAC address in a range assigned to TI instead of using
an address from the locally administered range.
Is that something that can be done?
Arnd
next prev parent reply other threads:[~2011-03-25 11:49 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-24 21:27 [RFC PATCH 0/2] OMAP2+: PANDA: Provide unique-ish MAC addresses for Ethernet and WLAN interfaces Andy Green
2011-03-24 21:27 ` [RFC PATCH 1/2] OMAP2+: add cpu id register to MAC address helper Andy Green
2011-03-25 11:49 ` Arnd Bergmann [this message]
2011-03-25 12:08 ` Andy Green
2011-03-25 13:24 ` Arnd Bergmann
2011-03-25 13:34 ` Andy Green
2011-03-25 14:50 ` Arnd Bergmann
2011-03-25 15:00 ` Andy Green
2011-03-24 21:27 ` [RFC PATCH 2/2] OMAP2+: PANDA: Fix up random or missing MAC addresses for eth0 and wlan0 Andy Green
2011-03-25 7:39 ` Hema Kalliguddi
2011-03-25 20:13 ` Jason Kridner
2011-03-25 20:20 ` Arnd Bergmann
2011-03-25 20:23 ` Nicolas Pitre
2011-03-28 12:54 ` Jason Kridner
2011-03-25 20:30 ` Andy Green
2011-03-25 11:39 ` Arnd Bergmann
2012-06-28 14:18 ` [RFC PATCH 0/2] OMAP2+: PANDA: Provide unique-ish MAC addresses for Ethernet and WLAN interfaces Arnd Bergmann
2012-06-28 14:45 ` Steven Rostedt
2012-06-28 14:49 ` "Andy Green (林安廸)"
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