kbuild: remove all dummy assignments to obj-

Now kbuild core scripts create empty built-in.o where necessary.
Remove "obj- := dummy.o" tricks.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

12 files changed, 0 insertions, 36 deletions

diff --git a/arch/mips/boot/dts/brcm/Makefile b/arch/mips/boot/dts/brcm/Makefile
index 09ba7e894bad..d8787c9a499e 100644
--- a/arch/mips/boot/dts/brcm/Makefile
+++ b/arch/mips/boot/dts/brcm/Makefile
@@ -35,6 +35,3 @@ dtb-$(CONFIG_DT_NONE) += \
         bcm97435svmb.dtb
 
 obj-y                           += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
-
-# Force kbuild to make empty built-in.o if necessary
-obj-                            += dummy.o
diff --git a/arch/mips/boot/dts/cavium-octeon/Makefile b/arch/mips/boot/dts/cavium-octeon/Makefile
index f5d01b31df50..24a8efcd7b03 100644
--- a/arch/mips/boot/dts/cavium-octeon/Makefile
+++ b/arch/mips/boot/dts/cavium-octeon/Makefile
@@ -2,6 +2,3 @@
 dtb-$(CONFIG_CAVIUM_OCTEON_SOC) += octeon_3xxx.dtb octeon_68xx.dtb
 
 obj-y                           += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
-
-# Force kbuild to make empty built-in.o if necessary
-obj-                            += dummy.o
diff --git a/arch/mips/boot/dts/img/Makefile b/arch/mips/boot/dts/img/Makefile
index 3eb2597a4d6c..441a3c16efb0 100644
--- a/arch/mips/boot/dts/img/Makefile
+++ b/arch/mips/boot/dts/img/Makefile
@@ -3,6 +3,3 @@ dtb-$(CONFIG_FIT_IMAGE_FDT_BOSTON)	+= boston.dtb
 
 dtb-$(CONFIG_MACH_PISTACHIO)    += pistachio_marduk.dtb
 obj-$(CONFIG_MACH_PISTACHIO)    += pistachio_marduk.dtb.o
-
-# Force kbuild to make empty built-in.o if necessary
-obj-                            += dummy.o
diff --git a/arch/mips/boot/dts/ingenic/Makefile b/arch/mips/boot/dts/ingenic/Makefile
index 035769269cbc..6a31759839b4 100644
--- a/arch/mips/boot/dts/ingenic/Makefile
+++ b/arch/mips/boot/dts/ingenic/Makefile
@@ -3,6 +3,3 @@ dtb-$(CONFIG_JZ4740_QI_LB60)	+= qi_lb60.dtb
 dtb-$(CONFIG_JZ4780_CI20)       += ci20.dtb
 
 obj-y                           += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
-
-# Force kbuild to make empty built-in.o if necessary
-obj-                            += dummy.o
diff --git a/arch/mips/boot/dts/lantiq/Makefile b/arch/mips/boot/dts/lantiq/Makefile
index 00e2e540ed3f..51ab9c1dff42 100644
--- a/arch/mips/boot/dts/lantiq/Makefile
+++ b/arch/mips/boot/dts/lantiq/Makefile
@@ -2,6 +2,3 @@
 dtb-$(CONFIG_DT_EASY50712)      += easy50712.dtb
 
 obj-y                           += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
-
-# Force kbuild to make empty built-in.o if necessary
-obj-                            += dummy.o
diff --git a/arch/mips/boot/dts/mti/Makefile b/arch/mips/boot/dts/mti/Makefile
index 480af498a9dd..3508720cb6d9 100644
--- a/arch/mips/boot/dts/mti/Makefile
+++ b/arch/mips/boot/dts/mti/Makefile
@@ -3,6 +3,3 @@ dtb-$(CONFIG_MIPS_MALTA)	+= malta.dtb
 dtb-$(CONFIG_LEGACY_BOARD_SEAD3)        += sead3.dtb
 
 obj-y                           += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
-
-# Force kbuild to make empty built-in.o if necessary
-obj-                            += dummy.o
diff --git a/arch/mips/boot/dts/netlogic/Makefile b/arch/mips/boot/dts/netlogic/Makefile
index 2b99450d7433..d630b27950f0 100644
--- a/arch/mips/boot/dts/netlogic/Makefile
+++ b/arch/mips/boot/dts/netlogic/Makefile
@@ -6,6 +6,3 @@ dtb-$(CONFIG_DT_XLP_GVP)	+= xlp_gvp.dtb
 dtb-$(CONFIG_DT_XLP_RVP)        += xlp_rvp.dtb
 
 obj-y                           += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
-
-# Force kbuild to make empty built-in.o if necessary
-obj-                            += dummy.o
diff --git a/arch/mips/boot/dts/ni/Makefile b/arch/mips/boot/dts/ni/Makefile
index 6cd9c606f025..9e2c9faede47 100644
--- a/arch/mips/boot/dts/ni/Makefile
+++ b/arch/mips/boot/dts/ni/Makefile
@@ -1,4 +1 @@
 dtb-$(CONFIG_FIT_IMAGE_FDT_NI169445)    += 169445.dtb
-
-# Force kbuild to make empty built-in.o if necessary
-obj-                                    += dummy.o
diff --git a/arch/mips/boot/dts/pic32/Makefile b/arch/mips/boot/dts/pic32/Makefile
index a139a0fbd7b7..ba9bcef8fde9 100644
--- a/arch/mips/boot/dts/pic32/Makefile
+++ b/arch/mips/boot/dts/pic32/Makefile
@@ -5,6 +5,3 @@ dtb-$(CONFIG_DTB_PIC32_NONE)		+= \
                                         pic32mzda_sk.dtb
 
 obj-y                           += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
-
-# Force kbuild to make empty built-in.o if necessary
-obj-                            += dummy.o
diff --git a/arch/mips/boot/dts/qca/Makefile b/arch/mips/boot/dts/qca/Makefile
index 639adeac90af..4451cf45b0ad 100644
--- a/arch/mips/boot/dts/qca/Makefile
+++ b/arch/mips/boot/dts/qca/Makefile
@@ -5,6 +5,3 @@ dtb-$(CONFIG_ATH79)			+= ar9331_dpt_module.dtb
 dtb-$(CONFIG_ATH79)                     += ar9331_dragino_ms14.dtb
 dtb-$(CONFIG_ATH79)                     += ar9331_omega.dtb
 dtb-$(CONFIG_ATH79)                     += ar9331_tl_mr3020.dtb
-
-# Force kbuild to make empty built-in.o if necessary
-obj-                            += dummy.o
diff --git a/arch/mips/boot/dts/ralink/Makefile b/arch/mips/boot/dts/ralink/Makefile
index 323c8bcfb602..94bee5b38b53 100644
--- a/arch/mips/boot/dts/ralink/Makefile
+++ b/arch/mips/boot/dts/ralink/Makefile
@@ -7,6 +7,3 @@ dtb-$(CONFIG_DTB_OMEGA2P)	+= omega2p.dtb
 dtb-$(CONFIG_DTB_VOCORE2)       += vocore2.dtb
 
 obj-y                           += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
-
-# Force kbuild to make empty built-in.o if necessary
-obj-                            += dummy.o
diff --git a/arch/mips/boot/dts/xilfpga/Makefile b/arch/mips/boot/dts/xilfpga/Makefile
index 616322405ade..9987e0e378c5 100644
--- a/arch/mips/boot/dts/xilfpga/Makefile
+++ b/arch/mips/boot/dts/xilfpga/Makefile
@@ -2,6 +2,3 @@
 dtb-$(CONFIG_FIT_IMAGE_FDT_XILFPGA)     += nexys4ddr.dtb
 
 obj-y                           += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
-
-# Force kbuild to make empty built-in.o if necessary
-obj-                            += dummy.o