[OE-core] [for dylan][PATCH 3/3] linux-dtb.inc: Fix dtb generation for kernels newer than 3.8

[Paul Eggleton]

Hi Otavio,

On Tuesday 20 August 2013 15:17:16 Otavio Salvador wrote:
> On Tue, Aug 20, 2013 at 1:51 PM, Franklin S. Cooper Jr <fcooper at ti.com> 
wrote:
> > From: Otavio Salvador <otavio at ossystems.com.br>
> > 
> > The 3.8 kernel has change the default directory where the dtb file is
> > stored. The change has been done at:
> > 
> > ,----[ Quote of 3.8 kernel change ]
> > 
> > | commit 499cd8298628eeabf0eb5eb6525d4faa0eec80d8
> > | Author: Grant Likely <grant.likely at secretlab.ca>
> > | Date:   Tue Nov 27 16:29:11 2012 -0700
> > | 
> > |     ARM: dt: change .dtb build rules to build in dts directory
> > |     
> > |     The current rules have the .dtb files build in a different directory
> > |     from the .dts files. The only reason for this is that it was what
> > |     PowerPC has done historically. This patch changes ARM to use the
> > |     generic
> > |     dtb rule which builds .dtb files in the same directory as the source
> > |     .dts.
> > |     
> > |     Cc: Russell King <linux at arm.linux.org.uk>
> > |     Cc: Arnd Bergmann <arnd at arndb.de>
> > |     Acked-by: Olof Johansson <olof at lixom.net>
> > |     Cc: linux-arm-kernel at lists.infradead.org
> > |     Signed-off-by: Grant Likely <grant.likely at secretlab.ca>
> > |     [swarren: added rm command for old stale .dtb files]
> > |     Signed-off-by: Stephen Warren <swarren at nvidia.com>
> > |     Signed-off-by: Rob Herring <rob.herring at calxeda.com>
> > 
> > `----
> > 
> > This change adds support for both places to backward and forward
> > compatibility.
> > 
> > Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
> > Acked-by: Bruce Ashfield <bruce.ashfield at windriver.com>
> 
> Franklin, I agree this is the way to go but I think it is a bit risky
> to change it in dylan.
> 
> I think it could be included in meta-ti or other layers (in case it is
> need for dylan) but it has breakage risk as noticed today in some
> behaviour change as found in meta-xilinx.
> 
> Paul, please be conservative about this and my previous linux-dtb
> patch. In case it is going to be applied in dylan we need to let it
> sleep some more time in master to find any other side effect due the
> behaviour change.

Agreed, I'd very much prefer to hold on this until it has had time to soak in 
master.

Cheers,
Paul

-- 

Paul Eggleton
Intel Open Source Technology Centre