# ==========================================================================
  # Installing dtb files
  #
  # Installs all dtb files listed in $(dtb-y) either in the
  # INSTALL_DTBS_PATH directory or the default location:
  #
  #   $INSTALL_PATH/dtbs/$KERNELRELEASE
  #

  # Traverse through subdirectories listed in $(dts-dirs).

  # ==========================================================================
  
  src := $(obj)
  
  PHONY := __dtbs_install
  __dtbs_install:

  export dtbinst-root ?= $(obj)

  include include/config/auto.conf
  include scripts/Kbuild.include

  include $(src)/Makefile

  
  PHONY += __dtbs_install_prep
  __dtbs_install_prep:

  ifeq ("$(dtbinst-root)", "$(obj)")

  	$(Q)if [ -d $(INSTALL_DTBS_PATH).old ]; then rm -rf $(INSTALL_DTBS_PATH).old; fi
  	$(Q)if [ -d $(INSTALL_DTBS_PATH) ]; then mv $(INSTALL_DTBS_PATH) $(INSTALL_DTBS_PATH).old; fi
  	$(Q)mkdir -p $(INSTALL_DTBS_PATH)

  endif

  
  dtbinst-files	:= $(dtb-y)

  dtbinst-dirs	:= $(dts-dirs)

  
  # Helper targets for Installing DTBs into the boot directory
  quiet_cmd_dtb_install =	INSTALL $<

        cmd_dtb_install =	mkdir -p $(2); cp $< $(2)
  
  install-dir = $(patsubst $(dtbinst-root)%,$(INSTALL_DTBS_PATH)%,$(obj))
  
  $(dtbinst-files) $(dtbinst-dirs): | __dtbs_install_prep
  
  $(dtbinst-files): %.dtb: $(obj)/%.dtb
  	$(call cmd,dtb_install,$(install-dir))

  $(dtbinst-dirs):
  	$(Q)$(MAKE) $(dtbinst)=$(obj)/$@

  PHONY += $(dtbinst-files) $(dtbinst-dirs)
  __dtbs_install: $(dtbinst-files) $(dtbinst-dirs)

  
  .PHONY: $(PHONY)