tree: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next head: 47b0952d60828200779a75c213fc963791e1a6e5 commit: 47b0952d60828200779a75c213fc963791e1a6e5 [3/3] hwmon: (lm70) Add support for ACPI config: nios2-randconfig-a001-20200426 (attached as .config) compiler: nios2-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 47b0952d60828200779a75c213fc963791e1a6e5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=nios2 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot All error/warnings (new ones prefixed by >>): In file included from drivers/hwmon/lm70.c:29: >> include/acpi/acpi_bus.h:52:20: error: conflicting types for 'acpi_evaluate_dsm' 52 | union acpi_object *acpi_evaluate_dsm(acpi_handle handle, const guid_t *guid, | ^~~~~~~~~~~~~~~~~ In file included from drivers/hwmon/lm70.c:28: include/linux/acpi.h:866:34: note: previous definition of 'acpi_evaluate_dsm' was here 866 | static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, | ^~~~~~~~~~~~~~~~~ In file included from drivers/hwmon/lm70.c:30: >> include/acpi/acpi_drivers.h:89:43: warning: 'struct acpi_pci_root' declared inside parameter list will not be visible outside of this definition or declaration 89 | struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root); | ^~~~~~~~~~~~~ drivers/hwmon/lm70.c: In function 'lm70_probe': >> drivers/hwmon/lm70.c:189:34: error: 'lm70_acpi_ids' undeclared (first use in this function); did you mean 'lm70_of_ids'? 189 | acpi_match = acpi_match_device(lm70_acpi_ids, &spi->dev); | ^~~~~~~~~~~~~ | lm70_of_ids drivers/hwmon/lm70.c:189:34: note: each undeclared identifier is reported only once for each function it appears in vim +/acpi_evaluate_dsm +52 include/acpi/acpi_bus.h 952c63e9512b63 Jiang Liu 2013-06-29 50 94116f8126de97 Andy Shevchenko 2017-06-05 51 bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, u64 rev, u64 funcs); 94116f8126de97 Andy Shevchenko 2017-06-05 @52 union acpi_object *acpi_evaluate_dsm(acpi_handle handle, const guid_t *guid, c7e16e5257ec46 Jerry Hoemann 2016-04-11 53 u64 rev, u64 func, union acpi_object *argv4); a65ac52041ccca Jiang Liu 2013-12-19 54 :::::: The code at line 52 was first introduced by commit :::::: 94116f8126de9762751fd92731581b73b56292e5 ACPI: Switch to use generic guid_t in acpi_evaluate_dsm() :::::: TO: Andy Shevchenko :::::: CC: Christoph Hellwig --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org