drivers: convert makefiles to Kbuild style
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 3ade624..06ced10 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -5,35 +5,13 @@
# SPDX-License-Identifier: GPL-2.0+
#
-include $(TOPDIR)/config.mk
-
-LIB := $(obj)libwatchdog.o
-
-COBJS-$(CONFIG_AT91SAM9_WATCHDOG) += at91sam9_wdt.o
-COBJS-$(CONFIG_FTWDT010_WATCHDOG) += ftwdt010_wdt.o
+obj-$(CONFIG_AT91SAM9_WATCHDOG) += at91sam9_wdt.o
+obj-$(CONFIG_FTWDT010_WATCHDOG) += ftwdt010_wdt.o
ifneq (,$(filter $(SOC), mx31 mx35 mx5 mx6 vf610))
-COBJS-y += imx_watchdog.o
+obj-y += imx_watchdog.o
endif
-COBJS-$(CONFIG_TNETV107X_WATCHDOG) += tnetv107x_wdt.o
-COBJS-$(CONFIG_S5P) += s5p_wdt.o
-COBJS-$(CONFIG_XILINX_TB_WATCHDOG) += xilinx_tb_wdt.o
-COBJS-$(CONFIG_BFIN_WATCHDOG) += bfin_wdt.o
-COBJS-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.o
-
-COBJS := $(COBJS-y)
-SRCS := $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS))
-
-all: $(LIB)
-
-$(LIB): $(obj).depend $(OBJS)
- $(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+obj-$(CONFIG_TNETV107X_WATCHDOG) += tnetv107x_wdt.o
+obj-$(CONFIG_S5P) += s5p_wdt.o
+obj-$(CONFIG_XILINX_TB_WATCHDOG) += xilinx_tb_wdt.o
+obj-$(CONFIG_BFIN_WATCHDOG) += bfin_wdt.o
+obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.o