Doug / smarc-fsl-linux-kernel

Download as
Browse Code ยป

Commit 62e37ca78b1a4ca2eb77875bfd7ac63a7e068c67

Authored by Stephen Warren
Committed by Mark Salter
1 parent dcd6c92267
Exists in smarc-l5.0.0_1.0.0-ga and in 5 other branches imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga

Kbuild: Use dtc's -d (dependency) option 

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: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Mark Salter <msalter@redhat.com>

Showing 1 changed file with 1 additions and 1 deletions Side-by-side Diff

arch/c6x/boot/Makefile
Diff comments   View file @ 62e37ca
... ... @@ -13,7 +13,7 @@
13 13 endif
14 14  
15 15 $(obj)/%.dtb: $(src)/dts/%.dts FORCE
16   - $(call cmd,dtc)
  16 + $(call if_changed_dep,dtc)
17 17  
18 18 quiet_cmd_cp = CP $< $@$2
19 19 cmd_cp = cat $< >$@$2 || (rm -f $@ && echo false)