rmobile: Fix build timer driver with BUILD_DIR

Rmobile common timer driver  diverts the same driver as SH architecture.
When it builds at the same place with source, it is no problem, but when
it builds out of source, it cannot build.
This patch revises this problem.

Reported-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>

diff --git a/arch/arm/cpu/armv7/rmobile/Makefile b/arch/arm/cpu/armv7/rmobile/Makefile
index 00610fe87b8414aaecc11f1a027a695eb4782ff6..c8999bb3006bb91ba3258177ae9e0b06af7fb457 100644 (file)
--- a/arch/arm/cpu/armv7/rmobile/Makefile
+++ b/arch/arm/cpu/armv7/rmobile/Makefile
@@ -35,11 +35,12 @@ COBJS-$(CONFIG_R8A7740) += cpu_info-r8a7740.o
 COBJS-$(CONFIG_R8A7740) += pfc-r8a7740.o
 COBJS-$(CONFIG_SH73A0) += cpu_info-sh73a0.o
 COBJS-$(CONFIG_SH73A0) += pfc-sh73a0.o
-COBJS-$(CONFIG_TMU_TIMER) += $(TOPDIR)/arch/sh/lib/time.o
+COBJS_LN-$(CONFIG_TMU_TIMER) += sh_timer.o
 
 COBJS  := $(COBJS-y)
 SRCS    := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS   := $(addprefix $(obj),$(SOBJS) $(COBJS))
+SRCS    := $(SOBJS:.o=.S) $(COBJS:.o=.c) $(addprefix $(obj),$(COBJS_LN-y:.o=.c))
+OBJS   := $(addprefix $(obj),$(SOBJS) $(COBJS) $(COBJS_LN-y))
 SOBJS  := $(addprefix $(obj),$(SOBJS))
 START  := $(addprefix $(obj),$(START))
 
@@ -48,6 +49,11 @@ all: $(obj).depend $(LIB)
 $(LIB):        $(OBJS)
        $(call cmd_link_o_target, $(OBJS))
 
+# from arch/sh/lib/ directory
+$(obj)sh_timer.c:
+       @rm -f $(obj)sh_timer.c
+       ln -s $(SRCTREE)/arch/sh/lib/time.c $(obj)sh_timer.c
+
 #########################################################################
 
 # defines $(obj).depend target