-COBJS-$(CONFIG_TPM_ATMEL_TWI) += tpm_atmel_twi.o
-COBJS-$(CONFIG_TPM_TIS_I2C) += tpm.o
-COBJS-$(CONFIG_TPM_TIS_I2C) += tpm_tis_i2c.o
-COBJS-$(CONFIG_TPM_TIS_LPC) += tpm_tis_lpc.o
-
-COBJS := $(COBJS-y)
-SRCS := $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS))
-
-all: $(LIB)
-
-$(LIB): $(obj).depend $(OBJS)
- $(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+obj-$(CONFIG_TPM_ATMEL_TWI) += tpm_atmel_twi.o
+obj-$(CONFIG_TPM_TIS_I2C) += tpm.o
+obj-$(CONFIG_TPM_TIS_I2C) += tpm_tis_i2c.o
+obj-$(CONFIG_TPM_TIS_LPC) += tpm_tis_lpc.o
+obj-$(CONFIG_TPM_TIS_SANDBOX) += tpm_tis_sandbox.o