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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
arch
arc/boot/dts
Makefile
arm/boot/dts
Makefile
arm64/boot/dts
Makefile
actions
Makefile
al
Makefile
allwinner
Makefile
altera
Makefile
amd
Makefile
amlogic
Makefile
apm
Makefile
arm
Makefile
broadcom
Makefile
northstar2
Makefile
stingray
Makefile
cavium
Makefile
exynos
Makefile
freescale
Makefile
hisilicon
Makefile
lg
Makefile
marvell
Makefile
mediatek
Makefile
nvidia
Makefile
qcom
Makefile
realtek
Makefile
renesas
Makefile
rockchip
Makefile
socionext
Makefile
sprd
Makefile
xilinx
Makefile
zte
Makefile
h8300/boot/dts
Makefile
metag/boot/dts
Makefile
mips/boot/dts
Makefile
brcm
Makefile
cavium-octeon
Makefile
img
Makefile
ingenic
Makefile
lantiq
Makefile
mti
Makefile
netlogic
Makefile
ni
Makefile
pic32
Makefile
qca
Makefile
ralink
Makefile
xilfpga
Makefile
xtensa/boot/dts
Makefile
scripts
Makefile.dtbinstMakefile.lib

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))