tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 9803fb968c8c2e1283f67b3baeb88e0adba435b4 commit: e5f31552674e88bff3a4e3ca3e5357668b5f2973 [7380/8516] ethernet: fix PTP_1588_CLOCK dependencies config: x86_64-randconfig-s021-20210817 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-348-gf0e6938b-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout e5f31552674e88bff3a4e3ca3e5357668b5f2973 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_resume_worker': drivers/gpu/drm/drm_fb_helper.c:370: undefined reference to `fb_set_suspend' ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_fini': drivers/gpu/drm/drm_fb_helper.c:634: undefined reference to `framebuffer_release' ld: drivers/gpu/drm/drm_fb_helper.c:633: undefined reference to `fb_dealloc_cmap' ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_write': drivers/gpu/drm/drm_fb_helper.c:746: undefined reference to `fb_sys_write' ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_fillrect': drivers/gpu/drm/drm_fb_helper.c:764: undefined reference to `sys_fillrect' ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_copyarea': drivers/gpu/drm/drm_fb_helper.c:779: undefined reference to `sys_copyarea' ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_imageblit': drivers/gpu/drm/drm_fb_helper.c:794: undefined reference to `sys_imageblit' ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_fillrect': drivers/gpu/drm/drm_fb_helper.c:809: undefined reference to `cfb_fillrect' ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_copyarea': drivers/gpu/drm/drm_fb_helper.c:824: undefined reference to `cfb_copyarea' ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_imageblit': drivers/gpu/drm/drm_fb_helper.c:839: undefined reference to `cfb_imageblit' ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_set_suspend_unlocked': drivers/gpu/drm/drm_fb_helper.c:901: undefined reference to `fb_set_suspend' ld: drivers/gpu/drm/drm_fb_helper.o: in function `__drm_fb_helper_initial_config_and_unlock': drivers/gpu/drm/drm_fb_helper.c:1855: undefined reference to `register_framebuffer' ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fbdev_cleanup': drivers/gpu/drm/drm_fb_helper.c:2042: undefined reference to `fb_deferred_io_cleanup' ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_alloc_fbi': drivers/gpu/drm/drm_fb_helper.c:559: undefined reference to `framebuffer_alloc' ld: drivers/gpu/drm/drm_fb_helper.c:563: undefined reference to `fb_alloc_cmap' ld: drivers/gpu/drm/drm_fb_helper.c:589: undefined reference to `framebuffer_release' ld: drivers/gpu/drm/drm_fb_helper.c:587: undefined reference to `fb_dealloc_cmap' ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_generic_probe': drivers/gpu/drm/drm_fb_helper.c:2347: undefined reference to `fb_deferred_io_init' ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_set_suspend': drivers/gpu/drm/drm_fb_helper.c:856: undefined reference to `fb_set_suspend' ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_unregister_fbi': drivers/gpu/drm/drm_fb_helper.c:605: undefined reference to `unregister_framebuffer' ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_read': drivers/gpu/drm/drm_fb_helper.c:728: undefined reference to `fb_sys_read' ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_unregister_fbi': drivers/gpu/drm/drm_fb_helper.c:605: undefined reference to `unregister_framebuffer' ld: drivers/net/ethernet/intel/igc/igc_main.o: in function `igc_tsync_interrupt': ld: drivers/net/ethernet/intel/igc/igc_main.c:5038: undefined reference to `ptp_clock_event' ld: drivers/net/ethernet/intel/igc/igc_ethtool.o: in function `igc_ethtool_get_ts_info': ld: drivers/net/ethernet/intel/igc/igc_ptp.o: in function `igc_ptp_feature_enable_i225': ld: drivers/net/ethernet/intel/igc/igc_ptp.o: in function `igc_ptp_init': ld: drivers/net/ethernet/intel/igc/igc_ptp.o: in function `igc_ptp_stop': vim +4994 drivers/net/ethernet/intel/igc/igc_main.c 3df25e4c1e66a6 Sasha Neftin 2018-10-11 4980 2c344ae2450155 Vinicius Costa Gomes 2019-12-02 4981 static void igc_tsync_interrupt(struct igc_adapter *adapter) 2c344ae2450155 Vinicius Costa Gomes 2019-12-02 4982 { 87938851b6efb6 Ederson de Souza 2021-02-18 4983 u32 ack, tsauxc, sec, nsec, tsicr; 2c344ae2450155 Vinicius Costa Gomes 2019-12-02 4984 struct igc_hw *hw = &adapter->hw; 64433e5bf40abf Ederson de Souza 2021-02-18 4985 struct ptp_clock_event event; 87938851b6efb6 Ederson de Souza 2021-02-18 4986 struct timespec64 ts; 87938851b6efb6 Ederson de Souza 2021-02-18 4987 87938851b6efb6 Ederson de Souza 2021-02-18 4988 tsicr = rd32(IGC_TSICR); 87938851b6efb6 Ederson de Souza 2021-02-18 4989 ack = 0; 2c344ae2450155 Vinicius Costa Gomes 2019-12-02 4990 64433e5bf40abf Ederson de Souza 2021-02-18 4991 if (tsicr & IGC_TSICR_SYS_WRAP) { 64433e5bf40abf Ederson de Souza 2021-02-18 4992 event.type = PTP_CLOCK_PPS; 64433e5bf40abf Ederson de Souza 2021-02-18 4993 if (adapter->ptp_caps.pps) 64433e5bf40abf Ederson de Souza 2021-02-18 @4994 ptp_clock_event(adapter->ptp_clock, &event); 64433e5bf40abf Ederson de Souza 2021-02-18 4995 ack |= IGC_TSICR_SYS_WRAP; 64433e5bf40abf Ederson de Souza 2021-02-18 4996 } 64433e5bf40abf Ederson de Souza 2021-02-18 4997 2c344ae2450155 Vinicius Costa Gomes 2019-12-02 4998 if (tsicr & IGC_TSICR_TXTS) { 2c344ae2450155 Vinicius Costa Gomes 2019-12-02 4999 /* retrieve hardware timestamp */ 2c344ae2450155 Vinicius Costa Gomes 2019-12-02 5000 schedule_work(&adapter->ptp_tx_work); 2c344ae2450155 Vinicius Costa Gomes 2019-12-02 5001 ack |= IGC_TSICR_TXTS; 2c344ae2450155 Vinicius Costa Gomes 2019-12-02 5002 } 2c344ae2450155 Vinicius Costa Gomes 2019-12-02 5003 87938851b6efb6 Ederson de Souza 2021-02-18 5004 if (tsicr & IGC_TSICR_TT0) { 87938851b6efb6 Ederson de Souza 2021-02-18 5005 spin_lock(&adapter->tmreg_lock); 87938851b6efb6 Ederson de Souza 2021-02-18 5006 ts = timespec64_add(adapter->perout[0].start, 87938851b6efb6 Ederson de Souza 2021-02-18 5007 adapter->perout[0].period); 87938851b6efb6 Ederson de Souza 2021-02-18 5008 wr32(IGC_TRGTTIML0, ts.tv_nsec | IGC_TT_IO_TIMER_SEL_SYSTIM0); 87938851b6efb6 Ederson de Souza 2021-02-18 5009 wr32(IGC_TRGTTIMH0, (u32)ts.tv_sec); 87938851b6efb6 Ederson de Souza 2021-02-18 5010 tsauxc = rd32(IGC_TSAUXC); 87938851b6efb6 Ederson de Souza 2021-02-18 5011 tsauxc |= IGC_TSAUXC_EN_TT0; 87938851b6efb6 Ederson de Souza 2021-02-18 5012 wr32(IGC_TSAUXC, tsauxc); 87938851b6efb6 Ederson de Souza 2021-02-18 5013 adapter->perout[0].start = ts; 87938851b6efb6 Ederson de Souza 2021-02-18 5014 spin_unlock(&adapter->tmreg_lock); 87938851b6efb6 Ederson de Souza 2021-02-18 5015 ack |= IGC_TSICR_TT0; 87938851b6efb6 Ederson de Souza 2021-02-18 5016 } 87938851b6efb6 Ederson de Souza 2021-02-18 5017 87938851b6efb6 Ederson de Souza 2021-02-18 5018 if (tsicr & IGC_TSICR_TT1) { 87938851b6efb6 Ederson de Souza 2021-02-18 5019 spin_lock(&adapter->tmreg_lock); 87938851b6efb6 Ederson de Souza 2021-02-18 5020 ts = timespec64_add(adapter->perout[1].start, 87938851b6efb6 Ederson de Souza 2021-02-18 5021 adapter->perout[1].period); 87938851b6efb6 Ederson de Souza 2021-02-18 5022 wr32(IGC_TRGTTIML1, ts.tv_nsec | IGC_TT_IO_TIMER_SEL_SYSTIM0); 87938851b6efb6 Ederson de Souza 2021-02-18 5023 wr32(IGC_TRGTTIMH1, (u32)ts.tv_sec); 87938851b6efb6 Ederson de Souza 2021-02-18 5024 tsauxc = rd32(IGC_TSAUXC); 87938851b6efb6 Ederson de Souza 2021-02-18 5025 tsauxc |= IGC_TSAUXC_EN_TT1; 87938851b6efb6 Ederson de Souza 2021-02-18 5026 wr32(IGC_TSAUXC, tsauxc); 87938851b6efb6 Ederson de Souza 2021-02-18 5027 adapter->perout[1].start = ts; 87938851b6efb6 Ederson de Souza 2021-02-18 5028 spin_unlock(&adapter->tmreg_lock); 87938851b6efb6 Ederson de Souza 2021-02-18 5029 ack |= IGC_TSICR_TT1; 87938851b6efb6 Ederson de Souza 2021-02-18 5030 } 87938851b6efb6 Ederson de Souza 2021-02-18 5031 87938851b6efb6 Ederson de Souza 2021-02-18 5032 if (tsicr & IGC_TSICR_AUTT0) { 87938851b6efb6 Ederson de Souza 2021-02-18 5033 nsec = rd32(IGC_AUXSTMPL0); 87938851b6efb6 Ederson de Souza 2021-02-18 5034 sec = rd32(IGC_AUXSTMPH0); 87938851b6efb6 Ederson de Souza 2021-02-18 5035 event.type = PTP_CLOCK_EXTTS; 87938851b6efb6 Ederson de Souza 2021-02-18 5036 event.index = 0; 87938851b6efb6 Ederson de Souza 2021-02-18 5037 event.timestamp = sec * NSEC_PER_SEC + nsec; 87938851b6efb6 Ederson de Souza 2021-02-18 5038 ptp_clock_event(adapter->ptp_clock, &event); 87938851b6efb6 Ederson de Souza 2021-02-18 5039 ack |= IGC_TSICR_AUTT0; 87938851b6efb6 Ederson de Souza 2021-02-18 5040 } 87938851b6efb6 Ederson de Souza 2021-02-18 5041 87938851b6efb6 Ederson de Souza 2021-02-18 5042 if (tsicr & IGC_TSICR_AUTT1) { 87938851b6efb6 Ederson de Souza 2021-02-18 5043 nsec = rd32(IGC_AUXSTMPL1); 87938851b6efb6 Ederson de Souza 2021-02-18 5044 sec = rd32(IGC_AUXSTMPH1); 87938851b6efb6 Ederson de Souza 2021-02-18 5045 event.type = PTP_CLOCK_EXTTS; 87938851b6efb6 Ederson de Souza 2021-02-18 5046 event.index = 1; 87938851b6efb6 Ederson de Souza 2021-02-18 5047 event.timestamp = sec * NSEC_PER_SEC + nsec; 87938851b6efb6 Ederson de Souza 2021-02-18 @5048 ptp_clock_event(adapter->ptp_clock, &event); 87938851b6efb6 Ederson de Souza 2021-02-18 5049 ack |= IGC_TSICR_AUTT1; 87938851b6efb6 Ederson de Souza 2021-02-18 5050 } 87938851b6efb6 Ederson de Souza 2021-02-18 5051 2c344ae2450155 Vinicius Costa Gomes 2019-12-02 5052 /* acknowledge the interrupts */ 2c344ae2450155 Vinicius Costa Gomes 2019-12-02 5053 wr32(IGC_TSICR, ack); 2c344ae2450155 Vinicius Costa Gomes 2019-12-02 5054 } 2c344ae2450155 Vinicius Costa Gomes 2019-12-02 5055 :::::: The code at line 4994 was first introduced by commit :::::: 64433e5bf40abf893c7edbc60899bdcdd7c70b76 igc: Enable internal i225 PPS :::::: TO: Ederson de Souza <ederson.desouza(a)intel.com&gt; :::::: CC: Tony Nguyen <anthony.l.nguyen(a)intel.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org