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kbuild: handle dtb-y and CONFIG_OF_ALL_DTBS natively in Makefile.lib

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If CONFIG_OF_ALL_DTBS is enabled, "make ARCH=arm64 dtbs" compiles each
DTB twice; one from arch/arm64/boot/dts/*/Makefile and the other from
the dtb-$(CONFIG_OF_ALL_DTBS) line in arch/arm64/boot/dts/Makefile.
It could be a race problem when building DTBS in parallel.

Another minor issue is CONFIG_OF_ALL_DTBS covers only *.dts in vendor
sub-directories, so this broke when Broadcom added one more hierarchy
in arch/arm64/boot/dts/broadcom/<soc>/.

One idea to fix the issues in a clean way is to move DTB handling
to Kbuild core scripts.  Makefile.dtbinst already recognizes dtb-y
natively, so it should not hurt to do so.

Add $(dtb-y) to extra-y, and $(dtb-) as well if CONFIG_OF_ALL_DTBS is
enabled.  All clutter things in Makefiles go away.

As a bonus clean-up, I also removed dts-dirs.  Just use subdir-y
directly to traverse sub-directories.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
[robh: corrected BUILTIN_DTB to CONFIG_BUILTIN_DTB]
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Masahiro Yamada 2017-11-05 14:30:53 +09:00 committed by Rob Herring
parent 3cad14d56a
commit 7e7962dd1a
48 changed files with 53 additions and 182 deletions
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7
arch/arc/boot/dts/Makefile
View file

@ -10,7 +10,6 @@ dtb-y := $(builtindtb-y).dtb
.SECONDARY: $(obj)/$(builtindtb-y).dtb.S
dtstree := $(srctree)/$(src)
dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))
always := $(dtb-y)
# for CONFIG_OF_ALL_DTBS test
dtstree := $(srctree)/$(src)
dtb- := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))

5
arch/arm/boot/dts/Makefile
View file

@ -1069,8 +1069,3 @@ dtb-$(CONFIG_ARCH_ASPEED) += aspeed-bmc-opp-palmetto.dtb \
aspeed-bmc-opp-romulus.dtb \
aspeed-ast2500-evb.dtb
endif
dtstree := $(srctree)/$(src)
dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))
always := $(dtb-y)

58
arch/arm64/boot/dts/Makefile
View file

@ -1,33 +1,25 @@
dts-dirs += actions
dts-dirs += al
dts-dirs += allwinner
dts-dirs += altera
dts-dirs += amd
dts-dirs += amlogic
dts-dirs += apm
dts-dirs += arm
dts-dirs += broadcom
dts-dirs += cavium
dts-dirs += exynos
dts-dirs += freescale
dts-dirs += hisilicon
dts-dirs += marvell
dts-dirs += mediatek
dts-dirs += nvidia
dts-dirs += qcom
dts-dirs += realtek
dts-dirs += renesas
dts-dirs += rockchip
dts-dirs += socionext
dts-dirs += sprd
dts-dirs += xilinx
dts-dirs += lg
dts-dirs += zte
subdir-y := $(dts-dirs)
dtstree := $(srctree)/$(src)
dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(foreach d,$(dts-dirs), $(wildcard $(dtstree)/$(d)/*.dts)))
always := $(dtb-y)
subdir-y += actions
subdir-y += al
subdir-y += allwinner
subdir-y += altera
subdir-y += amd
subdir-y += amlogic
subdir-y += apm
subdir-y += arm
subdir-y += broadcom
subdir-y += cavium
subdir-y += exynos
subdir-y += freescale
subdir-y += hisilicon
subdir-y += marvell
subdir-y += mediatek
subdir-y += nvidia
subdir-y += qcom
subdir-y += realtek
subdir-y += renesas
subdir-y += rockchip
subdir-y += socionext
subdir-y += sprd
subdir-y += xilinx
subdir-y += lg
subdir-y += zte

3
arch/arm64/boot/dts/actions/Makefile
View file

@ -1,4 +1 @@
dtb-$(CONFIG_ARCH_ACTIONS) += s900-bubblegum-96.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/al/Makefile
View file

@ -1,4 +1 @@
dtb-$(CONFIG_ARCH_ALPINE) += alpine-v2-evp.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/allwinner/Makefile
View file

@ -8,6 +8,3 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-pc2.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-prime.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-zero-plus2.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-nanopi-neo2.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/altera/Makefile
View file

@ -1,4 +1 @@
dtb-$(CONFIG_ARCH_STRATIX10) += socfpga_stratix10_socdk.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/amd/Makefile
View file

@ -1,6 +1,3 @@
dtb-$(CONFIG_ARCH_SEATTLE) += amd-overdrive.dtb \
amd-overdrive-rev-b0.dtb amd-overdrive-rev-b1.dtb \
husky.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/amlogic/Makefile
View file

@ -19,6 +19,3 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxm-nexbox-a1.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxm-q200.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxm-q201.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxm-rbox-pro.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/apm/Makefile
View file

@ -1,5 +1,2 @@
dtb-$(CONFIG_ARCH_XGENE) += apm-mustang.dtb
dtb-$(CONFIG_ARCH_XGENE) += apm-merlin.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/arm/Makefile
View file

@ -2,6 +2,3 @@ dtb-$(CONFIG_ARCH_VEXPRESS) += foundation-v8.dtb foundation-v8-gicv3.dtb
dtb-$(CONFIG_ARCH_VEXPRESS) += juno.dtb juno-r1.dtb juno-r2.dtb
dtb-$(CONFIG_ARCH_VEXPRESS) += rtsm_ve-aemv8a.dtb
dtb-$(CONFIG_ARCH_VEXPRESS) += vexpress-v2f-1xv7-ca53x2.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

6
arch/arm64/boot/dts/broadcom/Makefile
View file

@ -1,6 +1,4 @@
dtb-$(CONFIG_ARCH_BCM2835) += bcm2837-rpi-3-b.dtb
dts-dirs += northstar2
dts-dirs += stingray
always := $(dtb-y)
subdir-y := $(dts-dirs)
subdir-y += northstar2
subdir-y += stingray

3
arch/arm64/boot/dts/broadcom/northstar2/Makefile
View file

@ -1,5 +1,2 @@
dtb-$(CONFIG_ARCH_BCM_IPROC) += ns2-svk.dtb
dtb-$(CONFIG_ARCH_BCM_IPROC) += ns2-xmc.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/broadcom/stingray/Makefile
View file

@ -1,5 +1,2 @@
dtb-$(CONFIG_ARCH_BCM_IPROC) += bcm958742k.dtb
dtb-$(CONFIG_ARCH_BCM_IPROC) += bcm958742t.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/cavium/Makefile
View file

@ -1,5 +1,2 @@
dtb-$(CONFIG_ARCH_THUNDER) += thunder-88xx.dtb
dtb-$(CONFIG_ARCH_THUNDER2) += thunder2-99xx.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/exynos/Makefile
View file

@ -2,6 +2,3 @@ dtb-$(CONFIG_ARCH_EXYNOS) += \
exynos5433-tm2.dtb \
exynos5433-tm2e.dtb \
exynos7-espresso.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/freescale/Makefile
View file

@ -12,6 +12,3 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2080a-rdb.dtb
dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2080a-simu.dtb
dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2088a-qds.dtb
dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2088a-rdb.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/hisilicon/Makefile
View file

@ -4,6 +4,3 @@ dtb-$(CONFIG_ARCH_HISI) += hi6220-hikey.dtb
dtb-$(CONFIG_ARCH_HISI) += hip05-d02.dtb
dtb-$(CONFIG_ARCH_HISI) += hip06-d03.dtb
dtb-$(CONFIG_ARCH_HISI) += hip07-d05.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/lg/Makefile
View file

@ -1,5 +1,2 @@
dtb-$(CONFIG_ARCH_LG1K) += lg1312-ref.dtb
dtb-$(CONFIG_ARCH_LG1K) += lg1313-ref.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/marvell/Makefile
View file

@ -9,6 +9,3 @@ dtb-$(CONFIG_ARCH_MVEBU) += armada-7040-db.dtb
dtb-$(CONFIG_ARCH_MVEBU) += armada-8040-db.dtb
dtb-$(CONFIG_ARCH_MVEBU) += armada-8040-mcbin.dtb
dtb-$(CONFIG_ARCH_MVEBU) += armada-8080-db.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/mediatek/Makefile
View file

@ -4,6 +4,3 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt6795-evb.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-evb.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt7622-rfb1.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-evb.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

2
arch/arm64/boot/dts/nvidia/Makefile
View file

@ -4,5 +4,3 @@ dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2371-2180.dtb
dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2571.dtb
dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-smaug.dtb
dtb-$(CONFIG_ARCH_TEGRA_186_SOC) += tegra186-p2771-0000.dtb
always := $(dtb-y)

3
arch/arm64/boot/dts/qcom/Makefile
View file

@ -5,6 +5,3 @@ dtb-$(CONFIG_ARCH_QCOM) += msm8916-mtp.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8992-bullhead-rev-101.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8994-angler-rev-101.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8996-mtp.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/realtek/Makefile
View file

@ -1,4 +1 @@
dtb-$(CONFIG_ARCH_REALTEK) += rtd1295-zidoo-x9s.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

2
arch/arm64/boot/dts/renesas/Makefile
View file

@ -3,5 +3,3 @@ dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-salvator-xs.dtb
dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-es1-salvator-x.dtb r8a7795-es1-h3ulcb.dtb
dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-x.dtb r8a7796-m3ulcb.dtb
dtb-$(CONFIG_ARCH_R8A77995) += r8a77995-draak.dtb
always := $(dtb-y)

3
arch/arm64/boot/dts/rockchip/Makefile
View file

@ -10,6 +10,3 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-firefly.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-gru-kevin.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-puma-haikou.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire-excavator.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

2
arch/arm64/boot/dts/socionext/Makefile
View file

@ -4,5 +4,3 @@ dtb-$(CONFIG_ARCH_UNIPHIER) += \
uniphier-ld20-global.dtb \
uniphier-ld20-ref.dtb \
uniphier-pxs3-ref.dtb
always := $(dtb-y)

3
arch/arm64/boot/dts/sprd/Makefile
View file

@ -1,5 +1,2 @@
dtb-$(CONFIG_ARCH_SPRD) += sc9836-openphone.dtb \
sp9860g-1h10.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/xilinx/Makefile
View file

@ -1,4 +1 @@
dtb-$(CONFIG_ARCH_ZYNQMP) += zynqmp-ep108.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

3
arch/arm64/boot/dts/zte/Makefile
View file

@ -1,5 +1,2 @@
dtb-$(CONFIG_ARCH_ZX) += zx296718-evb.dtb
dtb-$(CONFIG_ARCH_ZX) += zx296718-pcbox.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)

5
arch/h8300/boot/dts/Makefile
View file

@ -7,8 +7,3 @@ obj-y += $(BUILTIN_DTB)
dtb-$(CONFIG_H8300H_SIM) := h8300h_sim.dtb
dtb-$(CONFIG_H8S_SIM) := h8s_sim.dtb
dtb-$(CONFIG_H8S_EDOSK2674) := edosk2674.dtb
dtstree := $(srctree)/$(src)
dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))
always := $(dtb-y)

5
arch/metag/boot/dts/Makefile
View file

@ -12,9 +12,4 @@ endif
dtb-$(CONFIG_METAG_BUILTIN_DTB) += $(builtindtb-y).dtb
obj-$(CONFIG_METAG_BUILTIN_DTB) += $(builtindtb-y).dtb.o
dtstree := $(srctree)/$(src)
dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))
.SECONDARY: $(obj)/$(builtindtb-y).dtb.S
always += $(dtb-y)

32
arch/mips/boot/dts/Makefile
View file

@ -1,20 +1,14 @@
dts-dirs += brcm
dts-dirs += cavium-octeon
dts-dirs += img
dts-dirs += ingenic
dts-dirs += lantiq
dts-dirs += mti
dts-dirs += netlogic
dts-dirs += ni
dts-dirs += pic32
dts-dirs += qca
dts-dirs += ralink
dts-dirs += xilfpga
subdir-y += brcm
subdir-y += cavium-octeon
subdir-y += img
subdir-y += ingenic
subdir-y += lantiq
subdir-y += mti
subdir-y += netlogic
subdir-y += ni
subdir-y += pic32
subdir-y += qca
subdir-y += ralink
subdir-y += xilfpga
obj-y := $(addsuffix /, $(dts-dirs))
dtstree := $(srctree)/$(src)
dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(foreach d,$(dts-dirs), $(wildcard $(dtstree)/$(d)/*.dts)))
always := $(dtb-y)
subdir-y := $(dts-dirs)
obj-$(CONFIG_BUILTIN_DTB) := $(addsuffix /, $(subdir-y))

2
arch/mips/boot/dts/brcm/Makefile
View file

@ -37,5 +37,3 @@ obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
always := $(dtb-y)

2
arch/mips/boot/dts/cavium-octeon/Makefile
View file

@ -4,5 +4,3 @@ obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
always := $(dtb-y)

2
arch/mips/boot/dts/img/Makefile
View file

@ -5,5 +5,3 @@ obj-$(CONFIG_MACH_PISTACHIO) += pistachio_marduk.dtb.o
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
always := $(dtb-y)

2
arch/mips/boot/dts/ingenic/Makefile
View file

@ -5,5 +5,3 @@ obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
always := $(dtb-y)

2
arch/mips/boot/dts/lantiq/Makefile
View file

@ -4,5 +4,3 @@ obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
always := $(dtb-y)

2
arch/mips/boot/dts/mti/Makefile
View file

@ -5,5 +5,3 @@ obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
always := $(dtb-y)

2
arch/mips/boot/dts/netlogic/Makefile
View file

@ -8,5 +8,3 @@ obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
always := $(dtb-y)

2
arch/mips/boot/dts/ni/Makefile
View file

@ -2,5 +2,3 @@ dtb-$(CONFIG_FIT_IMAGE_FDT_NI169445) += 169445.dtb
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
always := $(dtb-y)

2
arch/mips/boot/dts/pic32/Makefile
View file

@ -7,5 +7,3 @@ obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
always := $(dtb-y)

2
arch/mips/boot/dts/qca/Makefile
View file

@ -7,5 +7,3 @@ dtb-$(CONFIG_ATH79) += ar9331_tl_mr3020.dtb
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
always := $(dtb-y)

2
arch/mips/boot/dts/ralink/Makefile
View file

@ -9,5 +9,3 @@ obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
always := $(dtb-y)

2
arch/mips/boot/dts/xilfpga/Makefile
View file

@ -4,5 +4,3 @@ obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
always := $(dtb-y)

7
arch/xtensa/boot/dts/Makefile
View file

@ -12,7 +12,6 @@ ifneq ($(CONFIG_BUILTIN_DTB),"")
obj-$(CONFIG_OF) += $(BUILTIN_DTB)
endif
dtstree := $(srctree)/$(src)
dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))
always += $(dtb-y)
# for CONFIG_OF_ALL_DTBS test
dtstree := $(srctree)/$(src)
dtb- := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))

6
scripts/Makefile.dtbinst
View file

@ -5,8 +5,6 @@
# INSTALL_DTBS_PATH directory or the default location:
#
# $INSTALL_PATH/dtbs/$KERNELRELEASE
#
# Traverse through subdirectories listed in $(dts-dirs).
# ==========================================================================
src := $(obj)
@ -20,8 +18,8 @@ include include/config/auto.conf
include scripts/Kbuild.include
include $(src)/Makefile
dtbinst-files := $(dtb-y)
dtbinst-dirs := $(dts-dirs)
dtbinst-files := $(sort $(dtb-y) $(if $(CONFIG_OF_ALL_DTBS), $(dtb-)))
dtbinst-dirs := $(subdir-y) $(subdir-m)
# Helper targets for Installing DTBs into the boot directory
quiet_cmd_dtb_install = INSTALL $<

5
scripts/Makefile.lib
View file

@ -69,6 +69,11 @@ obj-dirs := $(dir $(multi-objs) $(obj-y))
real-objs-y := $(foreach m, $(filter-out $(subdir-obj-y), $(obj-y)), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) $(extra-y)
real-objs-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m))),$($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)),$(m)))
# DTB
# If CONFIG_OF_ALL_DTBS is enabled, all DT blobs are built
extra-y += $(dtb-y)
extra-$(CONFIG_OF_ALL_DTBS) += $(dtb-)
# Add subdir path
extra-y := $(addprefix $(obj)/,$(extra-y))