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Commit 989a41a3 authored by Puja Gupta's avatar Puja Gupta Committed by Venkata Narendra Kumar Gutta
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arm64: add config option to enable DT overlay 



Add config option to enable DT overlay. This option sets DTC_FLAGS to
enable DT compilation with overlay support.

Change-Id: I74b1ed9828ec94093fab40a70c0cd0c155796c94
Signed-off-by: default avatarPuja Gupta <pujag@codeaurora.org>
Signed-off-by: default avatarVenkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>
parent 63eeb69d

arch/arm64/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -1303,6 +1303,13 @@ config BUILD_ARM64_APPENDED_DTB_IMAGE_NAMES 
	  Space separated list of names of dtbs to append when

	  building a concatenated Image.gz-dtb.



config BUILD_ARM64_DT_OVERLAY

	bool "enable DT overlay compilation support"

	depends on OF

	help

	  This option enables support for DT overlay compilation.

	  Enabling this option sets required flags to add DT

	  overlay in the compilation.

endmenu



menu "Userspace binary formats"

arch/arm64/Makefile

+4 −1
Original line number Diff line number Diff line
@@ -125,8 +125,11 @@ endif 


KBUILD_DTBS	:= dtbs



all:	$(KBUILD_DTBS) $(subst $\",,$(CONFIG_BUILD_ARM64_APPENDED_KERNEL_IMAGE_NAME))

ifeq ($(CONFIG_BUILD_ARM64_DT_OVERLAY),y)

export DTC_FLAGS := -@

endif



all:	$(KBUILD_DTBS) $(subst $\",,$(CONFIG_BUILD_ARM64_APPENDED_KERNEL_IMAGE_NAME))



Image: vmlinux

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