Hi Songjun,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.17 next-20180612]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Songjun-Wu/MIPS-intel-add-initial-support-for-Intel-MIPS-SoCs/20180612-134457
config: s390-allmodconfig (attached as .config)
compiler: s390x-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=s390 

All errors (new ones prefixed by >>):

>> drivers/tty/serial/lantiq.c:28:10: fatal error: lantiq_soc.h: No such file or directory
    #include <lantiq_soc.h>
             ^~~~~~~~~~~~~~
   compilation terminated.

vim +28 drivers/tty/serial/lantiq.c

2f0fc415 John Crispin 2011-04-05  26  
c17405a9 Songjun Wu   2018-06-12  27  #ifndef CONFIG_COMMON_CLK
2f0fc415 John Crispin 2011-04-05 @28  #include <lantiq_soc.h>
c17405a9 Songjun Wu   2018-06-12  29  #endif
2f0fc415 John Crispin 2011-04-05  30  

:::::: The code at line 28 was first introduced by commit
:::::: 2f0fc4159a6abc20b13569522c545150b99485cf SERIAL: Lantiq: Add driver for MIPS Lantiq SOCs.

:::::: TO: John Crispin <blogic@openwrt.org>
:::::: CC: Ralf Baechle <ralf@linux-mips.org>

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