Re: [PATCH 1/4] hwtracing: Add trace function support for HiSilicon PCIe Tune and Trace device

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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

Attachment: .config.gz
Description: application/gzip


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