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-rw-r--r--arch/arc/boot/dts/Makefile7
-rw-r--r--arch/arm/boot/dts/Makefile5
-rw-r--r--arch/arm64/boot/dts/Makefile58
-rw-r--r--arch/arm64/boot/dts/actions/Makefile3
-rw-r--r--arch/arm64/boot/dts/al/Makefile3
-rw-r--r--arch/arm64/boot/dts/allwinner/Makefile3
-rw-r--r--arch/arm64/boot/dts/altera/Makefile3
-rw-r--r--arch/arm64/boot/dts/amd/Makefile3
-rw-r--r--arch/arm64/boot/dts/amlogic/Makefile3
-rw-r--r--arch/arm64/boot/dts/apm/Makefile3
-rw-r--r--arch/arm64/boot/dts/arm/Makefile3
-rw-r--r--arch/arm64/boot/dts/broadcom/Makefile6
-rw-r--r--arch/arm64/boot/dts/broadcom/northstar2/Makefile3
-rw-r--r--arch/arm64/boot/dts/broadcom/stingray/Makefile3
-rw-r--r--arch/arm64/boot/dts/cavium/Makefile3
-rw-r--r--arch/arm64/boot/dts/exynos/Makefile3
-rw-r--r--arch/arm64/boot/dts/freescale/Makefile3
-rw-r--r--arch/arm64/boot/dts/hisilicon/Makefile3
-rw-r--r--arch/arm64/boot/dts/lg/Makefile3
-rw-r--r--arch/arm64/boot/dts/marvell/Makefile3
-rw-r--r--arch/arm64/boot/dts/mediatek/Makefile3
-rw-r--r--arch/arm64/boot/dts/nvidia/Makefile2
-rw-r--r--arch/arm64/boot/dts/qcom/Makefile3
-rw-r--r--arch/arm64/boot/dts/realtek/Makefile3
-rw-r--r--arch/arm64/boot/dts/renesas/Makefile2
-rw-r--r--arch/arm64/boot/dts/rockchip/Makefile3
-rw-r--r--arch/arm64/boot/dts/socionext/Makefile2
-rw-r--r--arch/arm64/boot/dts/sprd/Makefile3
-rw-r--r--arch/arm64/boot/dts/xilinx/Makefile3
-rw-r--r--arch/arm64/boot/dts/zte/Makefile3
-rw-r--r--arch/h8300/boot/dts/Makefile5
-rw-r--r--arch/metag/boot/dts/Makefile5
-rw-r--r--arch/mips/boot/dts/Makefile32
-rw-r--r--arch/mips/boot/dts/brcm/Makefile2
-rw-r--r--arch/mips/boot/dts/cavium-octeon/Makefile2
-rw-r--r--arch/mips/boot/dts/img/Makefile2
-rw-r--r--arch/mips/boot/dts/ingenic/Makefile2
-rw-r--r--arch/mips/boot/dts/lantiq/Makefile2
-rw-r--r--arch/mips/boot/dts/mti/Makefile2
-rw-r--r--arch/mips/boot/dts/netlogic/Makefile2
-rw-r--r--arch/mips/boot/dts/ni/Makefile2
-rw-r--r--arch/mips/boot/dts/pic32/Makefile2
-rw-r--r--arch/mips/boot/dts/qca/Makefile2
-rw-r--r--arch/mips/boot/dts/ralink/Makefile2
-rw-r--r--arch/mips/boot/dts/xilfpga/Makefile2
-rw-r--r--arch/xtensa/boot/dts/Makefile7
46 files changed, 46 insertions, 178 deletions
diff --git a/arch/arc/boot/dts/Makefile b/arch/arc/boot/dts/Makefile
index 1257db1dc1be..9ece28b0a83f 100644
--- a/arch/arc/boot/dts/Makefile
+++ b/arch/arc/boot/dts/Makefile
@@ -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 $(dtstree)/*.dts))
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 5eeefbcfe98c..4b650d6de017 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1069,8 +1069,3 @@ dtb-$(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)
diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 8e1951273fd7..a7ecb42e84e6 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -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 := $(dtb-y)
+subdir-y += actions
+subdir-y += al
+subdir-y += allwinner
+subdir-y += altera
+subdir-y += amd
+subdir-y += amlogic
+subdir-y += apm
+subdir-y += arm
+subdir-y += broadcom
+subdir-y += cavium
+subdir-y += exynos
+subdir-y += freescale
+subdir-y += hisilicon
+subdir-y += marvell
+subdir-y += mediatek
+subdir-y += nvidia
+subdir-y += qcom
+subdir-y += realtek
+subdir-y += renesas
+subdir-y += rockchip
+subdir-y += socionext
+subdir-y += sprd
+subdir-y += xilinx
+subdir-y += lg
+subdir-y += zte
diff --git a/arch/arm64/boot/dts/actions/Makefile b/arch/arm64/boot/dts/actions/Makefile
index 89bb1b534492..cc4661256356 100644
--- a/arch/arm64/boot/dts/actions/Makefile
+++ b/arch/arm64/boot/dts/actions/Makefile
@@ -1,4 +1 @@
dtb-$(CONFIG_ARCH_ACTIONS) += s900-bubblegum-96.dtb
-
-always := $(dtb-y)
-subdir-y := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/al/Makefile b/arch/arm64/boot/dts/al/Makefile
index 8606a57e567f..036e387112ed 100644
--- a/arch/arm64/boot/dts/al/Makefile
+++ b/arch/arm64/boot/dts/al/Makefile
@@ -1,4 +1 @@
dtb-$(CONFIG_ARCH_ALPINE) += alpine-v2-evp.dtb
-
-always := $(dtb-y)
-subdir-y := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
index 871ed768f85d..4dab590d24a5 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -8,6 +8,3 @@ dtb-$(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 := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/altera/Makefile b/arch/arm64/boot/dts/altera/Makefile
index 7511b51d9b4a..68ba0882a8bb 100644
--- a/arch/arm64/boot/dts/altera/Makefile
+++ b/arch/arm64/boot/dts/altera/Makefile
@@ -1,4 +1 @@
dtb-$(CONFIG_ARCH_STRATIX10) += socfpga_stratix10_socdk.dtb
-
-always := $(dtb-y)
-subdir-y := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/amd/Makefile b/arch/arm64/boot/dts/amd/Makefile
index cb1c77967c9e..465cea694a6a 100644
--- a/arch/arm64/boot/dts/amd/Makefile
+++ b/arch/arm64/boot/dts/amd/Makefile
@@ -1,6 +1,3 @@
dtb-$(CONFIG_ARCH_SEATTLE) += amd-overdrive.dtb \
amd-overdrive-rev-b0.dtb amd-overdrive-rev-b1.dtb \
husky.dtb
-
-always := $(dtb-y)
-subdir-y := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index d86440346962..4eb8f829472e 100644
--- a/arch/arm64/boot/dts/amlogic/Makefile
+++ b/arch/arm64/boot/dts/amlogic/Makefile
@@ -19,6 +19,3 @@ dtb-$(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 := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/apm/Makefile b/arch/arm64/boot/dts/apm/Makefile
index 4334978f522e..b96cd388ca7b 100644
--- a/arch/arm64/boot/dts/apm/Makefile
+++ b/arch/arm64/boot/dts/apm/Makefile
@@ -1,5 +1,2 @@
dtb-$(CONFIG_ARCH_XGENE) += apm-mustang.dtb
dtb-$(CONFIG_ARCH_XGENE) += apm-merlin.dtb
-
-always := $(dtb-y)
-subdir-y := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/arm/Makefile b/arch/arm64/boot/dts/arm/Makefile
index 01c342f61ed3..7ca6a6ec3d68 100644
--- a/arch/arm64/boot/dts/arm/Makefile
+++ b/arch/arm64/boot/dts/arm/Makefile
@@ -2,6 +2,3 @@ dtb-$(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 := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/broadcom/Makefile b/arch/arm64/boot/dts/broadcom/Makefile
index d720d0dc7043..da268c69787f 100644
--- a/arch/arm64/boot/dts/broadcom/Makefile
+++ b/arch/arm64/boot/dts/broadcom/Makefile
@@ -1,6 +1,4 @@
dtb-$(CONFIG_ARCH_BCM2835) += bcm2837-rpi-3-b.dtb
-dts-dirs += northstar2
-dts-dirs += stingray
-always := $(dtb-y)
-subdir-y := $(dts-dirs)
+subdir-y += northstar2
+subdir-y += stingray
diff --git a/arch/arm64/boot/dts/broadcom/northstar2/Makefile b/arch/arm64/boot/dts/broadcom/northstar2/Makefile
index c589b9b55da8..83736004336d 100644
--- a/arch/arm64/boot/dts/broadcom/northstar2/Makefile
+++ b/arch/arm64/boot/dts/broadcom/northstar2/Makefile
@@ -1,5 +1,2 @@
dtb-$(CONFIG_ARCH_BCM_IPROC) += ns2-svk.dtb
dtb-$(CONFIG_ARCH_BCM_IPROC) += ns2-xmc.dtb
-
-always := $(dtb-y)
-subdir-y := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/broadcom/stingray/Makefile b/arch/arm64/boot/dts/broadcom/stingray/Makefile
index 8edcc5264be8..ea5516b1f6da 100644
--- a/arch/arm64/boot/dts/broadcom/stingray/Makefile
+++ b/arch/arm64/boot/dts/broadcom/stingray/Makefile
@@ -1,5 +1,2 @@
dtb-$(CONFIG_ARCH_BCM_IPROC) += bcm958742k.dtb
dtb-$(CONFIG_ARCH_BCM_IPROC) += bcm958742t.dtb
-
-always := $(dtb-y)
-subdir-y := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/cavium/Makefile b/arch/arm64/boot/dts/cavium/Makefile
index c63145e50271..f7c0ca8d3060 100644
--- a/arch/arm64/boot/dts/cavium/Makefile
+++ b/arch/arm64/boot/dts/cavium/Makefile
@@ -1,5 +1,2 @@
dtb-$(CONFIG_ARCH_THUNDER) += thunder-88xx.dtb
dtb-$(CONFIG_ARCH_THUNDER2) += thunder2-99xx.dtb
-
-always := $(dtb-y)
-subdir-y := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/exynos/Makefile b/arch/arm64/boot/dts/exynos/Makefile
index 4633adf4cbdd..14031e159a16 100644
--- a/arch/arm64/boot/dts/exynos/Makefile
+++ b/arch/arm64/boot/dts/exynos/Makefile
@@ -2,6 +2,3 @@ dtb-$(CONFIG_ARCH_EXYNOS) += \
exynos5433-tm2.dtb \
exynos5433-tm2e.dtb \
exynos7-espresso.dtb
-
-always := $(dtb-y)
-subdir-y := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index fe18e3d7b8e8..f1b53631363e 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -12,6 +12,3 @@ dtb-$(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 := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/hisilicon/Makefile b/arch/arm64/boot/dts/hisilicon/Makefile
index cb25d7a5cb5c..942c9ab760bf 100644
--- a/arch/arm64/boot/dts/hisilicon/Makefile
+++ b/arch/arm64/boot/dts/hisilicon/Makefile
@@ -4,6 +4,3 @@ dtb-$(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 := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/lg/Makefile b/arch/arm64/boot/dts/lg/Makefile
index c0bbe06b95de..de5dc19b59ff 100644
--- a/arch/arm64/boot/dts/lg/Makefile
+++ b/arch/arm64/boot/dts/lg/Makefile
@@ -1,5 +1,2 @@
dtb-$(CONFIG_ARCH_LG1K) += lg1312-ref.dtb
dtb-$(CONFIG_ARCH_LG1K) += lg1313-ref.dtb
-
-always := $(dtb-y)
-subdir-y := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/marvell/Makefile b/arch/arm64/boot/dts/marvell/Makefile
index b471235d9e66..7a42e0d8445f 100644
--- a/arch/arm64/boot/dts/marvell/Makefile
+++ b/arch/arm64/boot/dts/marvell/Makefile
@@ -9,6 +9,3 @@ dtb-$(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 := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
index 80d174334014..f22501229c2e 100644
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -4,6 +4,3 @@ dtb-$(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 := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/nvidia/Makefile b/arch/arm64/boot/dts/nvidia/Makefile
index a9d51961bdca..1b69cfdc2d41 100644
--- a/arch/arm64/boot/dts/nvidia/Makefile
+++ b/arch/arm64/boot/dts/nvidia/Makefile
@@ -4,5 +4,3 @@ dtb-$(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 := $(dtb-y)
diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 65af6f9ac569..7a65ef19a268 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -5,6 +5,3 @@ dtb-$(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 := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/realtek/Makefile b/arch/arm64/boot/dts/realtek/Makefile
index 88cb515f7b21..6e2ae59a3745 100644
--- a/arch/arm64/boot/dts/realtek/Makefile
+++ b/arch/arm64/boot/dts/realtek/Makefile
@@ -1,4 +1 @@
dtb-$(CONFIG_ARCH_REALTEK) += rtd1295-zidoo-x9s.dtb
-
-always := $(dtb-y)
-subdir-y := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index 960dadee8aed..5e0bb2854c33 100644
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -3,5 +3,3 @@ dtb-$(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 := $(dtb-y)
diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index 6b6bb1db831c..573a041a220c 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -10,6 +10,3 @@ dtb-$(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 := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/socionext/Makefile b/arch/arm64/boot/dts/socionext/Makefile
index 5eed3cecbc16..a0423165d9b6 100644
--- a/arch/arm64/boot/dts/socionext/Makefile
+++ b/arch/arm64/boot/dts/socionext/Makefile
@@ -4,5 +4,3 @@ dtb-$(CONFIG_ARCH_UNIPHIER) += \
uniphier-ld20-global.dtb \
uniphier-ld20-ref.dtb \
uniphier-pxs3-ref.dtb
-
-always := $(dtb-y)
diff --git a/arch/arm64/boot/dts/sprd/Makefile b/arch/arm64/boot/dts/sprd/Makefile
index c91b62e115dc..38cefdb115a8 100644
--- a/arch/arm64/boot/dts/sprd/Makefile
+++ b/arch/arm64/boot/dts/sprd/Makefile
@@ -1,5 +1,2 @@
dtb-$(CONFIG_ARCH_SPRD) += sc9836-openphone.dtb \
sp9860g-1h10.dtb
-
-always := $(dtb-y)
-subdir-y := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/xilinx/Makefile b/arch/arm64/boot/dts/xilinx/Makefile
index 74e195650f04..a2d67084a514 100644
--- a/arch/arm64/boot/dts/xilinx/Makefile
+++ b/arch/arm64/boot/dts/xilinx/Makefile
@@ -1,4 +1 @@
dtb-$(CONFIG_ARCH_ZYNQMP) += zynqmp-ep108.dtb
-
-always := $(dtb-y)
-subdir-y := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/zte/Makefile b/arch/arm64/boot/dts/zte/Makefile
index 71e07089cde0..14a1cdfc1559 100644
--- a/arch/arm64/boot/dts/zte/Makefile
+++ b/arch/arm64/boot/dts/zte/Makefile
@@ -1,5 +1,2 @@
dtb-$(CONFIG_ARCH_ZX) += zx296718-evb.dtb
dtb-$(CONFIG_ARCH_ZX) += zx296718-pcbox.dtb
-
-always := $(dtb-y)
-subdir-y := $(dts-dirs)
diff --git a/arch/h8300/boot/dts/Makefile b/arch/h8300/boot/dts/Makefile
index 6f3fe4795518..ae3188472b3a 100644
--- a/arch/h8300/boot/dts/Makefile
+++ b/arch/h8300/boot/dts/Makefile
@@ -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 := $(dtb-y)
diff --git a/arch/metag/boot/dts/Makefile b/arch/metag/boot/dts/Makefile
index 83d5b883e1f7..0060147e12a6 100644
--- a/arch/metag/boot/dts/Makefile
+++ b/arch/metag/boot/dts/Makefile
@@ -12,9 +12,4 @@ endif
dtb-$(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)
diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile
index 7891ffa487d6..bc4ce85db136 100644
--- a/arch/mips/boot/dts/Makefile
+++ b/arch/mips/boot/dts/Makefile
@@ -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))
diff --git a/arch/mips/boot/dts/brcm/Makefile b/arch/mips/boot/dts/brcm/Makefile
index ad76130e8ca0..bacb13159857 100644
--- a/arch/mips/boot/dts/brcm/Makefile
+++ b/arch/mips/boot/dts/brcm/Makefile
@@ -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)
diff --git a/arch/mips/boot/dts/cavium-octeon/Makefile b/arch/mips/boot/dts/cavium-octeon/Makefile
index a6fb331de0ff..e9592a995349 100644
--- a/arch/mips/boot/dts/cavium-octeon/Makefile
+++ b/arch/mips/boot/dts/cavium-octeon/Makefile
@@ -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 := $(dtb-y)
diff --git a/arch/mips/boot/dts/img/Makefile b/arch/mips/boot/dts/img/Makefile
index 135f98761671..a46d77390aed 100644
--- a/arch/mips/boot/dts/img/Makefile
+++ b/arch/mips/boot/dts/img/Makefile
@@ -5,5 +5,3 @@ obj-$(CONFIG_MACH_PISTACHIO) += pistachio_marduk.dtb.o
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
-
-always := $(dtb-y)
diff --git a/arch/mips/boot/dts/ingenic/Makefile b/arch/mips/boot/dts/ingenic/Makefile
index e3d0ec1bf577..ddd0fafd120e 100644
--- a/arch/mips/boot/dts/ingenic/Makefile
+++ b/arch/mips/boot/dts/ingenic/Makefile
@@ -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)
diff --git a/arch/mips/boot/dts/lantiq/Makefile b/arch/mips/boot/dts/lantiq/Makefile
index 5976f089d038..586b1c9e580b 100644
--- a/arch/mips/boot/dts/lantiq/Makefile
+++ b/arch/mips/boot/dts/lantiq/Makefile
@@ -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)
diff --git a/arch/mips/boot/dts/mti/Makefile b/arch/mips/boot/dts/mti/Makefile
index 9a1a6dc2ef36..faf7ac44725a 100644
--- a/arch/mips/boot/dts/mti/Makefile
+++ b/arch/mips/boot/dts/mti/Makefile
@@ -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)
diff --git a/arch/mips/boot/dts/netlogic/Makefile b/arch/mips/boot/dts/netlogic/Makefile
index 6b2cf492db18..77ffb30c591b 100644
--- a/arch/mips/boot/dts/netlogic/Makefile
+++ b/arch/mips/boot/dts/netlogic/Makefile
@@ -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 := $(dtb-y)
diff --git a/arch/mips/boot/dts/ni/Makefile b/arch/mips/boot/dts/ni/Makefile
index 094da7219905..6cd9c606f025 100644
--- a/arch/mips/boot/dts/ni/Makefile
+++ b/arch/mips/boot/dts/ni/Makefile
@@ -2,5 +2,3 @@ dtb-$(CONFIG_FIT_IMAGE_FDT_NI169445) += 169445.dtb
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
-
-always := $(dtb-y)
diff --git a/arch/mips/boot/dts/pic32/Makefile b/arch/mips/boot/dts/pic32/Makefile
index 0ee591b15720..5a08e48dbabb 100644
--- a/arch/mips/boot/dts/pic32/Makefile
+++ b/arch/mips/boot/dts/pic32/Makefile
@@ -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 := $(dtb-y)
diff --git a/arch/mips/boot/dts/qca/Makefile b/arch/mips/boot/dts/qca/Makefile
index 87cf351cff45..181db5d824ea 100644
--- a/arch/mips/boot/dts/qca/Makefile
+++ b/arch/mips/boot/dts/qca/Makefile
@@ -7,5 +7,3 @@ dtb-$(CONFIG_ATH79) += ar9331_tl_mr3020.dtb
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
-
-always := $(dtb-y)
diff --git a/arch/mips/boot/dts/ralink/Makefile b/arch/mips/boot/dts/ralink/Makefile
index e0e3a9db8d76..7b64654c958c 100644
--- a/arch/mips/boot/dts/ralink/Makefile
+++ b/arch/mips/boot/dts/ralink/Makefile
@@ -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)
diff --git a/arch/mips/boot/dts/xilfpga/Makefile b/arch/mips/boot/dts/xilfpga/Makefile
index 8b9ea11bf730..77c809645d75 100644
--- a/arch/mips/boot/dts/xilfpga/Makefile
+++ b/arch/mips/boot/dts/xilfpga/Makefile
@@ -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 := $(dtb-y)
diff --git a/arch/xtensa/boot/dts/Makefile b/arch/xtensa/boot/dts/Makefile
index c62dd6ca1f82..f8052ba5aea8 100644
--- a/arch/xtensa/boot/dts/Makefile
+++ b/arch/xtensa/boot/dts/Makefile
@@ -12,7 +12,6 @@ ifneq ($(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))