Hi Kunihiko, Thank you for the patch! Yet something to improve: [auto build test ERROR on robh/for-next] [also build test ERROR on v4.15-rc9 next-20180119] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Kunihiko-Hayashi/usb-dwc3-add-UniPhier-dwc3-glue-layer-support/20180126-035928 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=ia64 All errors (new ones prefixed by >>): drivers/usb//dwc3/dwc3-uniphier.c: In function 'dwc3u_probe': >> drivers/usb//dwc3/dwc3-uniphier.c:428:12: error: implicit declaration of function 'of_clk_get_parent_count'; did you mean 'clk_get_parent'? [-Werror=implicit-function-declaration] nr_clks = of_clk_get_parent_count(node); ^~~~~~~~~~~~~~~~~~~~~~~ clk_get_parent cc1: some warnings being treated as errors vim +428 drivers/usb//dwc3/dwc3-uniphier.c 401 402 static int dwc3u_probe(struct platform_device *pdev) 403 { 404 struct device *dev = &pdev->dev; 405 struct device_node *node; 406 struct dwc3u_priv *priv; 407 struct resource *res; 408 struct clk *clk; 409 int i, nr_clks; 410 int ret = 0; 411 412 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); 413 if (!priv) 414 return -ENOMEM; 415 416 priv->data = of_device_get_match_data(dev); 417 if (WARN_ON(!priv->data)) 418 return -EINVAL; 419 420 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 421 priv->base = devm_ioremap_resource(dev, res); 422 if (IS_ERR(priv->base)) 423 return PTR_ERR(priv->base); 424 425 priv->dev = dev; 426 427 node = dev->of_node; > 428 nr_clks = of_clk_get_parent_count(node); 429 if (!nr_clks) { 430 dev_err(dev, "failed to get clock property\n"); 431 return -ENODEV; 432 } 433 434 priv->clks = devm_kcalloc(priv->dev, nr_clks, sizeof(struct clk *), 435 GFP_KERNEL); 436 if (!priv->clks) 437 return -ENOMEM; 438 439 for (i = 0; i < nr_clks; i++) { 440 clk = of_clk_get(node, i); 441 if (IS_ERR(clk)) { 442 ret = PTR_ERR(clk); 443 goto out_clk_disable; 444 } 445 ret = clk_prepare_enable(clk); 446 if (ret < 0) { 447 clk_put(clk); 448 goto out_clk_disable; 449 } 450 priv->clks[i] = clk; 451 priv->nclks = i; 452 } 453 454 priv->rst = devm_reset_control_array_get_optional_shared(priv->dev); 455 if (IS_ERR(priv->rst)) { 456 ret = PTR_ERR(priv->rst); 457 goto out_clk_disable; 458 } 459 ret = reset_control_deassert(priv->rst); 460 if (ret) 461 goto out_clk_disable; 462 463 ret = dwc3u_init(priv); 464 if (ret) 465 goto out_rst_assert; 466 467 platform_set_drvdata(pdev, priv); 468 469 ret = of_platform_populate(node, NULL, NULL, priv->dev); 470 if (ret) 471 goto out_exit; 472 473 return 0; 474 475 out_exit: 476 dwc3u_exit(priv); 477 out_rst_assert: 478 reset_control_assert(priv->rst); 479 out_clk_disable: 480 dwc3u_disable_clk(priv); 481 482 return ret; 483 } 484 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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