Commit ee476203 authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

kbuild: add dtbs_prepare target 



Factor out the common prerequisites for DT compilation into the new
target, dtbs_prepare.

Add comments to explain why include/config/kernel.release is the
prerequisite. Our policy is that installation targets must not rebuild
anything in the tree. If 'make modules_install' is executed as root,
include/config/kernel.release may be owned by root.

Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
Reviewed-by: default avatarNicolas Schier <nicolas@fjasle.eu>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
parent 7dea20f2

Makefile

+9 −4
Original line number Diff line number Diff line
@@ -1370,16 +1370,21 @@ endif 


ifneq ($(dtstree),)



%.dtb: include/config/kernel.release scripts_dtc

%.dtb: dtbs_prepare

	$(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@



%.dtbo: include/config/kernel.release scripts_dtc

%.dtbo: dtbs_prepare

	$(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@



PHONY += dtbs dtbs_install dtbs_check

dtbs: include/config/kernel.release scripts_dtc

PHONY += dtbs dtbs_prepare dtbs_install dtbs_check

dtbs: dtbs_prepare

	$(Q)$(MAKE) $(build)=$(dtstree)



# include/config/kernel.release is actually needed when installing DTBs because

# INSTALL_DTBS_PATH contains $(KERNELRELEASE). However, we do not want to make

# dtbs_install depend on it as dtbs_install may run as root.

dtbs_prepare: include/config/kernel.release scripts_dtc



ifneq ($(filter dtbs_check, $(MAKECMDGOALS)),)

export CHECK_DTBS=y

dtbs: dt_binding_check