将模块代码放到指定位置
drivers/char/vtcm/
然后添加Makefile
obj-$(CONFIG_VTCM) += vtcm.o
添加Kconfig
config VTCM
tristate “VTCM Driver Support”
depends on TCG_TPM
default m
help
This enables support for VTCM driver.
If unsure, say N.
修改 drivers/char/Makefile，添加
obj-$(CONFIG_VTCM) += vtcm/
修改 drivers/char/Kconfig，添加
source “drivers/char/vtcm/Kconfig”