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From: Ian Abbott <abbotti@mev.co.uk>
To: Marcel Hamer <marcel@solidxs.nl>, Sascha Hauer <s.hauer@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: Kernel device tree gets modified with bootm command when CONFIG_OFDEVICE is enabled
Date: Fri, 6 Oct 2017 10:55:11 +0100	[thread overview]
Message-ID: <4cda0e44-6ac4-8186-2453-0d55919727ef@mev.co.uk> (raw)
In-Reply-To: <4201a4ed-f5ae-2cae-e07c-1e95dbb538df@solidxs.nl>

On 06/10/17 08:45, Marcel Hamer wrote:
> It kind of sounds like the boot loader is deciding it is smarter than 
> the developer and overriding the settings in the dtb before it passes it 
> to the kernel. I also see it as kind of strange, when you configure a 
> partition table in your dtb for the kernel and once you boot the kernel 
> you get the partition table from the boot loader. Especially since I 
> don't think this is documented anywhere, at least not in the bootm 
> command documentation as far as I know.

There is a magic variable setting to leave the partition entries alone:

   global.of_partition_binding="donttouch"

(Other meaningful values for this variable are "new" and "legacy", which 
controls whether the individual partitions are placed within a 
"partitions" node ("new") or not ("legacy").)

-- 
-=( Ian Abbott @ MEV Ltd.    E-mail: <abbotti@mev.co.uk> )=-
-=(                          Web: http://www.mev.co.uk/  )=-

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  reply	other threads:[~2017-10-06  9:55 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-03  9:36 Marcel Hamer
2017-10-06  4:11 ` Sascha Hauer
2017-10-06  7:45   ` Marcel Hamer
2017-10-06  9:55     ` Ian Abbott [this message]
2017-10-06 10:28       ` Marcel Hamer
2017-10-06 11:04         ` gianluca
2017-10-06 12:00           ` Marcel Hamer

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