1common-obj-y += tpm_util.o 2common-obj-$(CONFIG_TPM_TIS) += tpm_tis.o 3common-obj-$(CONFIG_TPM_CRB) += tpm_crb.o 4common-obj-$(CONFIG_TPM_PASSTHROUGH) += tpm_passthrough.o 5common-obj-$(CONFIG_TPM_EMULATOR) += tpm_emulator.o 6