Hi Irina, [auto build test ERROR on tip/x86/core] [also build test ERROR on v4.9-rc8] [cannot apply to platform-drivers-x86/for-next next-20161207] [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/Irina-Tirdea/Add-platform-clock-for-BayTrail-platforms/20161208-024855 config: x86_64-randconfig-b0-12080241 (attached as .config) compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/built-in.o: In function `lpss_iosf_enter_d3_state': >> acpi_lpss.c:(.text+0x67797): undefined reference to `pmc_atom_read' acpi_lpss.c:(.text+0x677bb): undefined reference to `pmc_atom_read' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation