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Re: [PATCH v2 1/2] MIPS: cavium-octeon: cvmx-helper-board: print unknown

To: David Daney <ddaney.cavm@gmail.com>, Ralf Baechle <ralf@linux-mips.org>
Subject: Re: [PATCH v2 1/2] MIPS: cavium-octeon: cvmx-helper-board: print unknown board warning only once
From: Aaro Koskinen <aaro.koskinen@iki.fi>
Date: Tue, 25 Jun 2013 02:06:39 +0300
Cc: linux-mips@linux-mips.org
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References: <1372023524-17333-1-git-send-email-aaro.koskinen@iki.fi> <51C89567.3000108@gmail.com> <20130624220429.GB20703@blackmetal.musicnaut.iki.fi> <51C8C940.7080106@gmail.com>
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On Mon, Jun 24, 2013 at 03:33:36PM -0700, David Daney wrote:
> On 06/24/2013 03:04 PM, Aaro Koskinen wrote:
> >On Mon, Jun 24, 2013 at 11:52:23AM -0700, David Daney wrote:
> >>On 06/23/2013 02:38 PM, Aaro Koskinen wrote:
> >>>When booting a new board for the first time, the console is flooded with
> >>>"Unknown board" messages. This is not really helpful. Board type is not
> >>>going to change after the boot, so it's sufficient to print the warning
> >>>only once.
> >>>
> >>>Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
> >>
> >>I don't think we need this patch.  In 2/2 you add the board type for
> >>the board you have, so you shouldn't be getting any messages, and
> >>this is unneeded.
> >>
> >>I don't mind spamming people with all the messages,  if people see
> >>these messages, they have bigger problems than too many messages.
> >
> >I guess this patch can be dropped, but whoever tries to improve the
> >support for the next new Octeon board will get annoyed by these same
> >messages...
> 
> I would hope that the "next new Octeon board" would have a
> bootloader that supplies a device tree.  That way most of this would
> never be used, and there would be no messages.

Yes, actually I was wondering if MIPS kernel could offer something
similar to ARM's APPENDED_DTB, i.e. provide some mechanism to pass the
dtb if the bootloader support is missing.

A.

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