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Commit b744484b authored Mar 17, 2017 by Puja Gupta Committed by Runmin Wang Aug 22, 2017

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: Shashank Mittal <mittals@codeaurora.org>
Signed-off-by: Puja Gupta <pujag@codeaurora.org>
Signed-off-by: Runmin Wang <runminw@codeaurora.org>

parent a006512d

arch/arm64/Kconfig

+5 −0

Original line number	Diff line number	Diff line
		@@ -1140,6 +1140,11 @@ 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.
		endmenu

		menu "Userspace binary formats"

arch/arm64/Makefile

+4 −1

Original line number	Diff line number	Diff line
		@@ -122,8 +122,11 @@ endif

		KBUILD_DTBS := dtbs

		all: Image.gz $(KBUILD_DTBS) $(subst $\",,$(CONFIG_BUILD_ARM64_APPENDED_KERNEL_IMAGE_NAME))
		ifeq ($(CONFIG_BUILD_ARM64_DT_OVERLAY),y)
		export DTC_FLAGS := -@
		endif

		all: Image.gz $(KBUILD_DTBS) $(subst $\",,$(CONFIG_BUILD_ARM64_APPENDED_KERNEL_IMAGE_NAME))

		Image: vmlinux
		$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@