> > Hi Felipe, > > > > How to make sure it works? Except for enabling CONFIG_COMPLIE_TEST, > > what else I need to do? Thanks. > > Felipe's suggestion is you should change your config dependency as: > depends on ARCH_MXC || COMPILE_TEST > > Then user can compile your driver to find warning or something else though the > ARCH_MXC config is not enabled. Hi Baolin, I know that, I have already changed that, unset ARCH_MXC and enable CONFIG_COMPILE_TEST. What else I could do to make sure it could compile OK at every architecture? Peter