"qipeng.zha" <qipeng.zha@xxxxxxxxx> writes: > +#ifdef CONFIG_INTEL_PMC_IPC .. > +config INTEL_PMC_IPC > + tristate "Intel PMC IPC Driver" This still won't work. Hint: Use the IS_ENABLED macro. See include/linux/kconfig.h for details. Or simply test your new tristate driver with *both* the 'y' and 'm' alternatives.... Bjørn -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html