Hi Sven, kernel test robot noticed the following build errors: [auto build test ERROR on s390/features] [also build test ERROR on linus/master v6.12-rc3 next-20241015] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Sven-Schnelle/s390-time-Add-clocksource-id-to-TOD-clock/20241015-185651 base: https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features patch link: https://lore.kernel.org/r/20241015105414.2825635-4-svens%40linux.ibm.com patch subject: [PATCH 3/3] s390/time: Add PtP driver config: x86_64-buildonly-randconfig-003-20241016 (https://download.01.org/0day-ci/archive/20241016/202410161414.jC5t2eWE-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241016/202410161414.jC5t2eWE-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202410161414.jC5t2eWE-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): >> drivers/ptp/ptp_s390.c:21:52: warning: declaration of 'union tod_clock' will not be visible outside of this function [-Wvisibility] 21 | static struct timespec64 eitod_to_timespec64(union tod_clock *clk) | ^ >> drivers/ptp/ptp_s390.c:23:26: error: call to undeclared function 'eitod_to_ns'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 23 | return ns_to_timespec64(eitod_to_ns(clk)); | ^ >> drivers/ptp/ptp_s390.c:28:26: error: call to undeclared function 'tod_to_ns'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 28 | return ns_to_timespec64(tod_to_ns(tod - TOD_UNIX_EPOCH)); | ^ >> drivers/ptp/ptp_s390.c:28:42: error: use of undeclared identifier 'TOD_UNIX_EPOCH' 28 | return ns_to_timespec64(tod_to_ns(tod - TOD_UNIX_EPOCH)); | ^ >> drivers/ptp/ptp_s390.c:34:18: error: variable has incomplete type 'union tod_clock' 34 | union tod_clock tod; | ^ drivers/ptp/ptp_s390.c:34:8: note: forward declaration of 'union tod_clock' 34 | union tod_clock tod; | ^ >> drivers/ptp/ptp_s390.c:36:7: error: call to undeclared function 'stp_enabled'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 36 | if (!stp_enabled()) | ^ >> drivers/ptp/ptp_s390.c:39:2: error: call to undeclared function 'store_tod_clock_ext_cc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 39 | store_tod_clock_ext_cc(&tod); | ^ >> drivers/ptp/ptp_s390.c:49:2: error: call to undeclared function 'ptff'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 49 | ptff(&tod, sizeof(tod), PTFF_QPT); | ^ >> drivers/ptp/ptp_s390.c:49:26: error: use of undeclared identifier 'PTFF_QPT' 49 | ptff(&tod, sizeof(tod), PTFF_QPT); | ^ drivers/ptp/ptp_s390.c:64:18: error: variable has incomplete type 'union tod_clock' 64 | union tod_clock clk; | ^ drivers/ptp/ptp_s390.c:64:8: note: forward declaration of 'union tod_clock' 64 | union tod_clock clk; | ^ drivers/ptp/ptp_s390.c:66:2: error: call to undeclared function 'store_tod_clock_ext_cc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 66 | store_tod_clock_ext_cc(&clk); | ^ drivers/ptp/ptp_s390.c:67:29: error: call to undeclared function 'tod_to_ns'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 67 | *device_time = ns_to_ktime(tod_to_ns(clk.tod - TOD_UNIX_EPOCH)); | ^ drivers/ptp/ptp_s390.c:67:49: error: use of undeclared identifier 'TOD_UNIX_EPOCH' 67 | *device_time = ns_to_ktime(tod_to_ns(clk.tod - TOD_UNIX_EPOCH)); | ^ drivers/ptp/ptp_s390.c:76:7: error: call to undeclared function 'stp_enabled'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 76 | if (!stp_enabled()) | ^ 1 warning and 13 errors generated. vim +/eitod_to_ns +23 drivers/ptp/ptp_s390.c 20 > 21 static struct timespec64 eitod_to_timespec64(union tod_clock *clk) 22 { > 23 return ns_to_timespec64(eitod_to_ns(clk)); 24 } 25 26 static struct timespec64 tod_to_timespec64(unsigned long tod) 27 { > 28 return ns_to_timespec64(tod_to_ns(tod - TOD_UNIX_EPOCH)); 29 } 30 31 static int ptp_s390_stcke_gettime(struct ptp_clock_info *ptp, 32 struct timespec64 *ts) 33 { > 34 union tod_clock tod; 35 > 36 if (!stp_enabled()) 37 return -EOPNOTSUPP; 38 > 39 store_tod_clock_ext_cc(&tod); 40 *ts = eitod_to_timespec64(&tod); 41 return 0; 42 } 43 44 static int ptp_s390_qpt_gettime(struct ptp_clock_info *ptp, 45 struct timespec64 *ts) 46 { 47 unsigned long tod; 48 > 49 ptff(&tod, sizeof(tod), PTFF_QPT); 50 *ts = tod_to_timespec64(tod); 51 return 0; 52 } 53 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
