CAMERA_DEVICETREE_ROOT=$(KERNEL_SRC)/$(M) CAMERA_KERNEL_ROOT=$(CAMERA_DEVICETREE_ROOT)/../../opensource/camera-kernel KBUILD_OPTIONS += CAMERA_DEVICETREE_ROOT=$(KERNEL_SRC)/$(M) KBUILD_OPTIONS += KBUILD_DTC_INCLUDE=$(CAMERA_KERNEL_ROOT) KBUILD_OPTIONS += KBUILD_EXTMOD_DTS=. KBUILD_OPTIONS += KERNEL_ROOT=$(ROOT_DIR)/$(KERNEL_DIR) KBUILD_OPTIONS += MODNAME=camera-devicetree all: dtbs dtbs: $(MAKE) -C $(KERNEL_SRC) M=$(M) dtbs $(KBUILD_OPTIONS) modules_install: $(MAKE) M=$(M) -C $(KERNEL_SRC) modules_install clean: $(MAKE) -C $(KERNEL_SRC) M=$(M) clean