[PATCH 2/2] Kbuild: Use dtc's -d (dependency) option

Shawn Guo shawn.guo at linaro.org
Tue Jan 10 14:12:22 EST 2012

On Mon, Jan 09, 2012 at 11:38:15AM -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 at nvidia.com>

Though I did not look into the patches deeply, I know the problem very
well and it annoys me a lot.  It's great that we have patches to fix
it, so

Acked-by: Shawn Guo <shawn.guo at linaro.org>


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