Hi Mao, kernel test robot noticed the following build errors: [auto build test ERROR on robh/for-next] [also build test ERROR on linus/master v6.4-rc3 next-20230525] [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/Mao-Jinlong/Coresight-Add-driver-to-support-for-CSR/20230526-233705 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20230526153508.6208-3-quic_jinlmao%40quicinc.com patch subject: [PATCH v1 2/3] coresight-tmc: byte-cntr: Add support for streaming interface for ETR config: arm-randconfig-r034-20230526 (https://download.01.org/0day-ci/archive/20230528/202305280032.8rkzzoXH-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 4faf3aaf28226a4e950c103a14f6fc1d1fdabb1b) reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/intel-lab-lkp/linux/commit/3c44cc3f9a93e12d206b9428b5ed959c46cf08b5 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Mao-Jinlong/Coresight-Add-driver-to-support-for-CSR/20230526-233705 git checkout 3c44cc3f9a93e12d206b9428b5ed959c46cf08b5 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/hwtracing/coresight/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202305280032.8rkzzoXH-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): >> drivers/hwtracing/coresight/coresight-tmc-core.c:527:9: error: call to undeclared function 'of_get_coresight_csr_name'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] ret = of_get_coresight_csr_name(adev->dev.of_node, &drvdata->csr_name); ^ 1 error generated. -- >> drivers/hwtracing/coresight/coresight-byte-cntr.c:139:48: error: too few arguments to function call, expected 3, have 2 coresight_csr_set_byte_cntr(tmcdrvdata->csr, 0); ~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ drivers/hwtracing/coresight/coresight-csr.h:53:20: note: 'coresight_csr_set_byte_cntr' declared here static inline void coresight_csr_set_byte_cntr(struct coresight_csr *csr, int irqctrl_offset, ^ drivers/hwtracing/coresight/coresight-byte-cntr.c:154:49: error: too few arguments to function call, expected 3, have 2 coresight_csr_set_byte_cntr(tmcdrvdata->csr, 0); ~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ drivers/hwtracing/coresight/coresight-csr.h:53:20: note: 'coresight_csr_set_byte_cntr' declared here static inline void coresight_csr_set_byte_cntr(struct coresight_csr *csr, int irqctrl_offset, ^ drivers/hwtracing/coresight/coresight-byte-cntr.c:187:79: error: too few arguments to function call, expected 3, have 2 coresight_csr_set_byte_cntr(tmcdrvdata->csr, (byte_cntr_data->block_size) / 8); ~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ drivers/hwtracing/coresight/coresight-csr.h:53:20: note: 'coresight_csr_set_byte_cntr' declared here static inline void coresight_csr_set_byte_cntr(struct coresight_csr *csr, int irqctrl_offset, ^ >> drivers/hwtracing/coresight/coresight-byte-cntr.c:297:6: warning: no previous prototype for function 'byte_cntr_remove' [-Wmissing-prototypes] void byte_cntr_remove(struct byte_cntr *byte_cntr_data) ^ drivers/hwtracing/coresight/coresight-byte-cntr.c:297:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void byte_cntr_remove(struct byte_cntr *byte_cntr_data) ^ static 1 warning and 3 errors generated. vim +/of_get_coresight_csr_name +527 drivers/hwtracing/coresight/coresight-tmc-core.c 481 482 static int tmc_probe(struct amba_device *adev, const struct amba_id *id) 483 { 484 int ret = 0; 485 u32 devid; 486 void __iomem *base; 487 struct device *dev = &adev->dev; 488 struct coresight_platform_data *pdata = NULL; 489 struct tmc_drvdata *drvdata; 490 struct resource *res = &adev->res; 491 struct coresight_desc desc = { 0 }; 492 struct coresight_dev_list *dev_list = NULL; 493 494 ret = -ENOMEM; 495 drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL); 496 if (!drvdata) 497 goto out; 498 499 dev_set_drvdata(dev, drvdata); 500 501 /* Validity for the resource is already checked by the AMBA core */ 502 base = devm_ioremap_resource(dev, res); 503 if (IS_ERR(base)) { 504 ret = PTR_ERR(base); 505 goto out; 506 } 507 508 drvdata->base = base; 509 desc.access = CSDEV_ACCESS_IOMEM(base); 510 511 spin_lock_init(&drvdata->spinlock); 512 513 devid = readl_relaxed(drvdata->base + CORESIGHT_DEVID); 514 drvdata->config_type = BMVAL(devid, 6, 7); 515 drvdata->memwidth = tmc_get_memwidth(devid); 516 /* This device is not associated with a session */ 517 drvdata->pid = -1; 518 519 if (drvdata->config_type == TMC_CONFIG_TYPE_ETR) { 520 drvdata->size = tmc_etr_get_default_buffer_size(dev); 521 drvdata->max_burst_size = tmc_etr_get_max_burst_size(dev); 522 } else { 523 drvdata->size = readl_relaxed(drvdata->base + TMC_RSZ) * 4; 524 } 525 526 if (drvdata->config_type == TMC_CONFIG_TYPE_ETR) { > 527 ret = of_get_coresight_csr_name(adev->dev.of_node, &drvdata->csr_name); 528 if (ret) 529 dev_dbg(dev, "No csr data\n"); 530 else { 531 drvdata->csr = coresight_csr_get(drvdata->csr_name); 532 if (IS_ERR(drvdata->csr)) { 533 dev_dbg(dev, "failed to get csr, defer probe\n"); 534 return -EPROBE_DEFER; 535 } 536 537 } 538 539 } 540 541 desc.dev = dev; 542 desc.groups = coresight_tmc_groups; 543 544 switch (drvdata->config_type) { 545 case TMC_CONFIG_TYPE_ETB: 546 desc.type = CORESIGHT_DEV_TYPE_SINK; 547 desc.subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_BUFFER; 548 desc.ops = &tmc_etb_cs_ops; 549 dev_list = &etb_devs; 550 break; 551 case TMC_CONFIG_TYPE_ETR: 552 desc.type = CORESIGHT_DEV_TYPE_SINK; 553 desc.subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_SYSMEM; 554 desc.ops = &tmc_etr_cs_ops; 555 ret = tmc_etr_setup_caps(dev, devid, 556 coresight_get_uci_data(id)); 557 if (ret) 558 goto out; 559 idr_init(&drvdata->idr); 560 drvdata->byte_cntr = byte_cntr_init(adev, drvdata); 561 mutex_init(&drvdata->idr_mutex); 562 dev_list = &etr_devs; 563 break; 564 case TMC_CONFIG_TYPE_ETF: 565 desc.type = CORESIGHT_DEV_TYPE_LINKSINK; 566 desc.subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_BUFFER; 567 desc.subtype.link_subtype = CORESIGHT_DEV_SUBTYPE_LINK_FIFO; 568 desc.ops = &tmc_etf_cs_ops; 569 dev_list = &etf_devs; 570 break; 571 default: 572 pr_err("%s: Unsupported TMC config\n", desc.name); 573 ret = -EINVAL; 574 goto out; 575 } 576 577 desc.name = coresight_alloc_device_name(dev_list, dev); 578 if (!desc.name) { 579 ret = -ENOMEM; 580 goto out; 581 } 582 583 pdata = coresight_get_platform_data(dev); 584 if (IS_ERR(pdata)) { 585 ret = PTR_ERR(pdata); 586 goto out; 587 } 588 adev->dev.platform_data = pdata; 589 desc.pdata = pdata; 590 591 drvdata->csdev = coresight_register(&desc); 592 if (IS_ERR(drvdata->csdev)) { 593 ret = PTR_ERR(drvdata->csdev); 594 goto out; 595 } 596 597 drvdata->miscdev.name = desc.name; 598 drvdata->miscdev.minor = MISC_DYNAMIC_MINOR; 599 drvdata->miscdev.fops = &tmc_fops; 600 ret = misc_register(&drvdata->miscdev); 601 if (ret) 602 coresight_unregister(drvdata->csdev); 603 else 604 pm_runtime_put(&adev->dev); 605 out: 606 return ret; 607 } 608 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki