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Commit 323a028d authored by Robert Richter's avatar Robert Richter
Browse files

dts, kbuild: Implement support for dtb vendor subdirs 



This patch adds support of vendor sub directories for dtb files.
Subdirectories can be specified in $(dts-dirs). Kbuild traverses over
all directories while building and installing dtb files. The directory
tree is also reflected in the install path.

Tested-by: default avatarAndrew Bresticker <abrestic@chromium.org>
Signed-off-by: default avatarRobert Richter <rrichter@cavium.com>
parent d38726c4

arch/arm64/boot/dts/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -3,4 +3,5 @@ dtb-$(CONFIG_ARCH_VEXPRESS) += rtsm_ve-aemv8a.dtb foundation-v8.dtb 
dtb-$(CONFIG_ARCH_XGENE) += apm-mustang.dtb



always		:= $(dtb-y)

subdir-y	:= $(dts-dirs)

clean-files	:= *.dtb

scripts/Makefile.dtbinst

+18 −5
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 
#

#   $INSTALL_PATH/dtbs/$KERNELRELEASE

#

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

# ==========================================================================



src := $(obj)
@@ -13,26 +14,38 @@ src := $(obj) 
PHONY := __dtbs_install

__dtbs_install:



export dtbinst-root ?= $(obj)



include include/config/auto.conf

include scripts/Kbuild.include

include $(srctree)/$(obj)/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 =	cp $< $(2)

      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-files): %.dtb: $(obj)/%.dtb | __dtbs_install_prep

	$(call cmd,dtb_install,$(INSTALL_DTBS_PATH))

$(dtbinst-dirs):

	$(Q)$(MAKE) $(dtbinst)=$(obj)/$@



PHONY += $(dtbinst-files)

__dtbs_install: $(dtbinst-files)

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

__dtbs_install: $(dtbinst-files) $(dtbinst-dirs)



.PHONY: $(PHONY)