Hi Yicong, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.12-rc6 next-20210406] [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] url: https://github.com/0day-ci/linux/commits/Yicong-Yang/Add-support-for-HiSilicon-PCIe-Tune-and-Trace-device/20210406-204959 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 0a50438c84363bd37fe18fe432888ae9a074dcab config: nios2-allyesconfig (attached as .config) compiler: nios2-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/8d755179573b25c8c165509321a32c3c04b10ab5 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Yicong-Yang/Add-support-for-HiSilicon-PCIe-Tune-and-Trace-device/20210406-204959 git checkout 8d755179573b25c8c165509321a32c3c04b10ab5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/hwtracing/hisilicon/hisi_ptt.c: In function 'hisi_ptt_irq_register': drivers/hwtracing/hisilicon/hisi_ptt.c:1067:3: error: implicit declaration of function 'pci_free_irq_vectors'; did you mean 'pci_alloc_irq_vectors'? [-Werror=implicit-function-declaration] 1067 | pci_free_irq_vectors(pdev); | ^~~~~~~~~~~~~~~~~~~~ | pci_alloc_irq_vectors drivers/hwtracing/hisilicon/hisi_ptt.c: In function 'hisi_ptt_init_ctrls': drivers/hwtracing/hisilicon/hisi_ptt.c:1231:8: error: implicit declaration of function 'pci_find_bus'; did you mean 'pci_find_next_bus'? [-Werror=implicit-function-declaration] 1231 | bus = pci_find_bus(pci_domain_nr(hisi_ptt->pdev->bus), | ^~~~~~~~~~~~ | pci_find_next_bus >> drivers/hwtracing/hisilicon/hisi_ptt.c:1231:6: warning: assignment to 'struct pci_bus *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 1231 | bus = pci_find_bus(pci_domain_nr(hisi_ptt->pdev->bus), | ^ drivers/hwtracing/hisilicon/hisi_ptt.c:1234:3: error: implicit declaration of function 'pci_walk_bus' [-Werror=implicit-function-declaration] 1234 | pci_walk_bus(bus, hisi_ptt_init_filters, hisi_ptt); | ^~~~~~~~~~~~ drivers/hwtracing/hisilicon/hisi_ptt.c: In function 'hisi_ptt_probe': drivers/hwtracing/hisilicon/hisi_ptt.c:1359:31: error: 'pci_bus_type' undeclared (first use in this function); did you mean 'pci_pcie_type'? 1359 | ret = bus_register_notifier(&pci_bus_type, &hisi_ptt->hisi_ptt_nb); | ^~~~~~~~~~~~ | pci_pcie_type drivers/hwtracing/hisilicon/hisi_ptt.c:1359:31: note: each undeclared identifier is reported only once for each function it appears in drivers/hwtracing/hisilicon/hisi_ptt.c: At top level: drivers/hwtracing/hisilicon/hisi_ptt.c:1366:6: warning: no previous prototype for 'hisi_ptt_remove' [-Wmissing-prototypes] 1366 | void hisi_ptt_remove(struct pci_dev *pdev) | ^~~~~~~~~~~~~~~ drivers/hwtracing/hisilicon/hisi_ptt.c: In function 'hisi_ptt_remove': drivers/hwtracing/hisilicon/hisi_ptt.c:1370:27: error: 'pci_bus_type' undeclared (first use in this function); did you mean 'pci_pcie_type'? 1370 | bus_unregister_notifier(&pci_bus_type, &hisi_ptt->hisi_ptt_nb); | ^~~~~~~~~~~~ | pci_pcie_type cc1: some warnings being treated as errors vim +1231 drivers/hwtracing/hisilicon/hisi_ptt.c 1209 1210 static void hisi_ptt_init_ctrls(struct hisi_ptt *hisi_ptt) 1211 { 1212 struct pci_bus *bus; 1213 u32 reg; 1214 1215 INIT_LIST_HEAD(&hisi_ptt->port_filters); 1216 INIT_LIST_HEAD(&hisi_ptt->req_filters); 1217 1218 /* 1219 * The device range register provides the information about the 1220 * root ports which the RCiEP can control and trace. The RCiEP 1221 * and the root ports it support are on the same PCIe core, with 1222 * same domain number but maybe different bus number. The device 1223 * range register will tell us which root ports we can support, 1224 * Bit[31:16] indicates the upper BDF numbers of the root port, 1225 * while Bit[15:0] indicates the lower. 1226 */ 1227 reg = readl(hisi_ptt->iobase + HISI_PTT_DEVICE_RANGE); 1228 hisi_ptt->upper = reg >> 16; 1229 hisi_ptt->lower = reg & 0xffff; 1230 > 1231 bus = pci_find_bus(pci_domain_nr(hisi_ptt->pdev->bus), 1232 PCI_BUS_NUM(hisi_ptt->upper)); 1233 if (bus) 1234 pci_walk_bus(bus, hisi_ptt_init_filters, hisi_ptt); 1235 1236 /* Initialize trace controls */ 1237 INIT_LIST_HEAD(&hisi_ptt->trace_ctrl.trace_buf); 1238 hisi_ptt->trace_ctrl.buflet_nums = HISI_PTT_DEFAULT_TRACE_BUF_CNT; 1239 hisi_ptt->trace_ctrl.buflet_size = HISI_PTT_TRACE_DEFAULT_BUFLET_SIZE; 1240 hisi_ptt->trace_ctrl.rxtx = HISI_PTT_TRACE_DEFAULT_RXTX.event_code; 1241 hisi_ptt->trace_ctrl.tr_event = HISI_PTT_TRACE_DEFAULT_EVENT.event_code; 1242 } 1243 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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