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Re: [Qemu-devel] [PATCH] remove mpc8544ds.dtb

From: Alexander Graf
Subject: Re: [Qemu-devel] [PATCH] remove mpc8544ds.dtb
Date: Wed, 28 Sep 2011 10:55:53 +0200

On 27.09.2011, at 23:58, Scott Wood wrote:

> On 09/24/2011 02:32 AM, Alexander Graf wrote:
>> On 16.09.2011, at 21:05, Stuart Yoder wrote:
>>> From: Stuart Yoder <address@hidden>
>>> make install now compiles dtb
>> It doesn't when you don't have dtb installed, breaking the e500
>> target for build environments that don't have dtb. I don't think
>> that's a good idea. It's not been too painful upstream to keep the
>> dtb and dts in sync.
> So now we're avoiding new dependencies. :-)

Sure, it's always painful to add new dependencies. If adding a new dependency 
buys us a tremendous amount of comfort, I'll happily do it. However, this is 
only a convenience thing for whoever changes the dts. And every change to the 
dts should go through upstream. And there I'll generate the dtb. :)

> It was more of an annoyance in internal development as we were
> frequently changing the device tree to configure device assignment and
> such.  For mainline QEMU the long-term plan should be to get rid of the
> static device tree entirely, and to avoid doing configuration that way
> in the first place, so it's not that big of a deal to keep both .dts and
> .dtb around until then.

Yup. Worst case we'd keep around a minimal dtb that doesn't need to be modified 
too often, but yes.


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