tree: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-mergewindow head: 4aa908fe4704ef9c09a6b2c19b4b49855a3d6055 commit: 010e765b406f8e08685ea5b687c63a5ea234719a [25/31] i2c: riic: Add RZ/G2L support config: x86_64-randconfig-b001-20210620 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project e1adf90826a57b674eee79b071fb46c1f5683cd0) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git/commit/?id=... git remote add wsa https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git git fetch --no-tags wsa i2c/for-mergewindow git checkout 010e765b406f8e08685ea5b687c63a5ea234719a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): type = (enum riic_type)of_device_get_match_data(&pdev->dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +424 drivers/i2c/busses/i2c-riic.c 398 399 static int riic_i2c_probe(struct platform_device *pdev) 400 { 401 struct riic_dev *riic; 402 struct i2c_adapter *adap; 403 struct resource *res; 404 struct i2c_timings i2c_t; 405 struct reset_control *rstc; 406 int i, ret; 407 enum riic_type type; 408 409 riic = devm_kzalloc(&pdev->dev, sizeof(*riic), GFP_KERNEL); 410 if (!riic) 411 return -ENOMEM; 412 413 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 414 riic->base = devm_ioremap_resource(&pdev->dev, res); 415 if (IS_ERR(riic->base)) 416 return PTR_ERR(riic->base); 417 418 riic->clk = devm_clk_get(&pdev->dev, NULL); 419 if (IS_ERR(riic->clk)) { 420 dev_err(&pdev->dev, "missing controller clock"); 421 return PTR_ERR(riic->clk); 422 } 423 425 if (type == RIIC_RZ_G2L) { 426 rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL); 427 if (IS_ERR(rstc)) { 428 dev_err(&pdev->dev, "Error: missing reset ctrl\n"); 429 return PTR_ERR(rstc); 430 } 431 432 reset_control_deassert(rstc); 433 } 434 435 for (i = 0; i < ARRAY_SIZE(riic_irqs); i++) { 436 res = platform_get_resource(pdev, IORESOURCE_IRQ, riic_irqs[i].res_num); 437 if (!res) 438 return -ENODEV; 439 440 ret = devm_request_irq(&pdev->dev, res->start, riic_irqs[i].isr, 441 0, riic_irqs[i].name, riic); 442 if (ret) { 443 dev_err(&pdev->dev, "failed to request irq %s\n", riic_irqs[i].name); 444 return ret; 445 } 446 } 447 448 adap = &riic->adapter; 449 i2c_set_adapdata(adap, riic); 450 strlcpy(adap->name, "Renesas RIIC adapter", sizeof(adap->name)); 451 adap->owner = THIS_MODULE; 452 adap->algo = &riic_algo; 453 adap->dev.parent = &pdev->dev; 454 adap->dev.of_node = pdev->dev.of_node; 455 456 init_completion(&riic->msg_done); 457 458 i2c_parse_fw_timings(&pdev->dev, &i2c_t, true); 459 460 pm_runtime_enable(&pdev->dev); 461 462 ret = riic_init_hw(riic, &i2c_t); 463 if (ret) 464 goto out; 465 466 ret = i2c_add_adapter(adap); 467 if (ret) 468 goto out; 469 470 platform_set_drvdata(pdev, riic); 471 472 dev_info(&pdev->dev, "registered with %dHz bus speed\n", 473 i2c_t.bus_freq_hz); 474 return 0; 475 476 out: 477 pm_runtime_disable(&pdev->dev); 478 return ret; 479 } 480 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org