From mboxrd@z Thu Jan  1 00:00:00 1970
From: benoar@dolka.fr (Benjamin Cama)
Date: Mon, 22 Jun 2015 19:44:48 +0200
Subject: Linkstation Mini and __machine_arch_type problem, not booting
 since 3.8
In-Reply-To: <20150622120004.GK2936@io.lakedaemon.net>
References: <97db3502cd014faf1c710b1cc0fe8848@dolka.fr>
 <55827D64.1090307@free-electrons.com> <1434678624.4767.22.camel@dolka.fr>
 <5583E1D9.2010002@free-electrons.com>
 <20150619114152.GA2936@io.lakedaemon.net>
 <1434760119.5177.6.camel@dolka.fr> <20150620143609.GE1116@lunn.ch>
 <1434908164.5657.15.camel@dolka.fr>
 <20150622120004.GK2936@io.lakedaemon.net>
Message-ID: <1434995088.5657.44.camel@dolka.fr>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Le lundi 22 juin 2015 ? 12:00 +0000, Jason Cooper a ?crit :
> On Sun, Jun 21, 2015 at 07:36:04PM +0200, Benjamin Cama wrote:
> > Le samedi 20 juin 2015 ?? 16:36 +0200, Andrew Lunn a ??crit :
> > > > 
> > > > > SERIAL_OF_PLATFORM?
> > > > 
> > > > Oh, and that was it!
> > > 
> > > This used to catch us all out a lot. What configuration are you using?
> > > orion5x_defconfig? Very likely a patch adding it to that would be
> > > accepted.
> > 
> > None. Sorry, I am used to the x86 world where I almost never used
> > default configs (and it's been a long time, too). I admit I never fully
> > understood the logic behind the defconfigs, apart from it meaning some
> > kind of ???less important??? dependency on some specific options.
> 
> The defconfigs are very useful in arm-soc.  There are so many board
> variations and combinations of drivers, that the defconfigs provide a
> sane starting point while keeping build times down.
> 
> Several arm maintainers have boot farms that are continuously boot
> testing kernels on a variety of boards.  In addition, most of the arm
> kernel developers work from the defconfigs as a base.  Which means, most
> of the time, the defconfig will at least boot for a given board.

OK, thanks for the explanation, I can understand the need.

Anyway, I still think making SERIAL_OF_PLATFORM selected on headless
systems a good idea; see my other thread.

Regards,
--
benjamin