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Re: Bug#680699: unblock: flash-kernel/3.1

Philipp Kern <pkern@debian.org> writes:

> Hi,
> On Sun, Jul 08, 2012 at 03:16:41AM +0200, Hector Oron wrote:
>> Please unblock package flash-kernel
>> Hello,
>>   flash-kernel/3.1 adds device tree support for Dreamplug device (used by
>>   freedombox).
>>   Dreamplug support has been backported into linux/3.2.21-1, which we expect
>>   it to get into wheezy sometime.
>>   Therefore, it would be really nice if we can get flash-kernel/3.1 in wheezy.
>> unblock flash-kernel/3.1
> my only concern is that /proc/device-tree/model takes precedence over
> /proc/cpuinfo in any case with no fallback to the latter. So if any ARM SoC
> gets device-tree enabled by a backport it might potentially need a change to
> flash-kernel, if the "Hardware" string does not match up with what the model
> file delivers.

no. With DT, the Hardware string doesn't change with the model but with
the SoC. For instance, all kirkwood systems booting with DT have :

Hardware        : Marvell Kirkwood (Flattened Device Tree)

[ defined in arch/arm/mach-kirkwood/board-dt.c ]

Then, the model is found in /proc/device-tree/model and I don't think
that things in /proc are changing a lot.


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