From mboxrd@z Thu Jan  1 00:00:00 1970
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Subject: Re: [PATCH 2/2] Kbuild: Use dtc's -d (dependency) option
From: Mark Salter <msalter@redhat.com>
To: Stephen Warren <swarren@nvidia.com>
Date: Wed, 11 Jan 2012 14:36:21 -0500
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Cc: Michal Marek <mmarek@suse.cz>, Jonas Bonn <jonas@southpole.se>,
 Jon Loeliger <jdl@jdl.com>, Russell King <linux@arm.linux.org.uk>,
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 Aurelien Jacquiot <a-jacquiot@ti.com>, linux@openrisc.net,
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 Rob Herring <rob.herring@calxeda.com>, linux-kernel@vger.kernel.org,
 Paul Mackerras <paulus@samba.org>, microblaze-uclinux@itee.uq.edu.au,
 linuxppc-dev@lists.ozlabs.org,
 Devicetree Discuss <devicetree-discuss@lists.ozlabs.org>,
 linux-arm-kernel@lists.infradead.org,
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On Mon, 2012-01-09 at 11:38 -0700, Stephen Warren wrote:
> This hooks dtc into Kbuild's dependency system.
> 
> Thus, for example, "make dtbs" will rebuild tegra-harmony.dtb if only
> tegra20.dtsi has changed yet tegra-harmony.dts has not. The previous
> lack of this feature recently caused me to have very confusing "git
> bisect" results.
> 
> For ARM, it's obvious what to add to $(targets). I'm not familiar enough
> with other architectures to know what to add there. Powerpc appears to
> already add various .dtb files into $(targets), but the other archs may
> need something added to $(targets) to work.
> 
> Signed-off-by: Stephen Warren <swarren@nvidia.com>
> 

Acked-by: Mark Salter <msalter@redhat.com>

For the arch/c6x bit.