Hi Daniel, Thank you for the patch! Yet something to improve:
[auto build test ERROR on v4.16-rc4] [also build test ERROR on next-20180316] [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/Daniel-Kurtz/Add-earlycon-support-for-AMD-Carrizo-Stoneyridge/20180318-024830 config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 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 make.cross ARCH=ia64 All errors (new ones prefixed by >>): drivers/acpi/spcr.o: In function `acpi_parse_spcr': >> spcr.c:(.init.text+0x540): undefined reference to `serial8250_skip_old_ports' spcr.c:(.init.text+0x560): undefined reference to `serial8250_skip_old_ports' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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