kbuild: remove unnecessary "obj- := dummy.o" trick

In these Makefiles, at least one of "obj-y" and "obj-" is non-empty,
hence built-in.o is always created without such a trick.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Peter Foley <pefoley2@pefoley.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Acked-by: Simon Horman <horms+renesas@verge.net.au> [shmobile]
Acked-by: David S. Miller <davem@davemloft.net> [networking]
Signed-off-by: Michal Marek <mmarek@suse.cz>

3 files changed, 0 insertions, 7 deletions

diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 5fe175017f07..a402262bb37f 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -8,7 +8,6 @@ ccflags-$(CONFIG_ARCH_MULTI_V7) += -I$(srctree)/$(src)/include
 
 obj-y                           :=
 obj-m                           :=
-obj-n                           := dummy.o
 obj-                            :=
 
 # Objects we always build independent of SoC choice
diff --git a/drivers/clk/shmobile/Makefile b/drivers/clk/shmobile/Makefile
index e0029237827a..9aab51c8d159 100644
--- a/drivers/clk/shmobile/Makefile
+++ b/drivers/clk/shmobile/Makefile
@@ -6,5 +6,3 @@ obj-$(CONFIG_ARCH_R8A7790)		+= clk-rcar-gen2.o
 obj-$(CONFIG_ARCH_R8A7791)              += clk-rcar-gen2.o
 obj-$(CONFIG_ARCH_SHMOBILE_MULTI)       += clk-div6.o
 obj-$(CONFIG_ARCH_SHMOBILE_MULTI)       += clk-mstp.o
-# for emply built-in.o
-obj-n   := dummy
diff --git a/drivers/net/wimax/Makefile b/drivers/net/wimax/Makefile
index 992bc02bc016..692184dd674a 100644
--- a/drivers/net/wimax/Makefile
+++ b/drivers/net/wimax/Makefile
@@ -1,5 +1 @@
-
 obj-$(CONFIG_WIMAX_I2400M)      += i2400m/
-
-# (from Sam Ravnborg) force kbuild to create built-in.o
-obj- := dummy.o