tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 05477f3653b82d8b3bcf39d2937d9893124976db commit: d04807b80691c6041ca8e3dcf1870d1bf1082c22 [1921/2594] net: ethernet: ti: davinci_mdio: Add workaround for errata i2329 config: arm-omap2plus_defconfig (https://download.01.org/0day-ci/archive/20220824/202208240807.91DnMomx-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0 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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=d04807b80691c6041ca8e3dcf1870d1bf1082c22 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout d04807b80691c6041ca8e3dcf1870d1bf1082c22 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): arm-linux-gnueabi-ld: drivers/net/ethernet/ti/davinci_mdio.o: in function `davinci_mdio_remove': >> drivers/net/ethernet/ti/davinci_mdio.c:649: undefined reference to `free_mdio_bitbang' arm-linux-gnueabi-ld: drivers/net/ethernet/ti/davinci_mdio.o: in function `davinci_mdio_probe': >> drivers/net/ethernet/ti/davinci_mdio.c:545: undefined reference to `alloc_mdio_bitbang' arm-linux-gnueabi-ld: drivers/net/ethernet/ti/davinci_mdio.o: in function `davinci_mdiobb_read': >> drivers/net/ethernet/ti/davinci_mdio.c:236: undefined reference to `mdiobb_read' arm-linux-gnueabi-ld: drivers/net/ethernet/ti/davinci_mdio.o: in function `davinci_mdiobb_write': >> drivers/net/ethernet/ti/davinci_mdio.c:253: undefined reference to `mdiobb_write' vim +649 drivers/net/ethernet/ti/davinci_mdio.c 514 515 static int davinci_mdio_probe(struct platform_device *pdev) 516 { 517 struct mdio_platform_data *pdata = dev_get_platdata(&pdev->dev); 518 struct device *dev = &pdev->dev; 519 struct davinci_mdio_data *data; 520 struct resource *res; 521 struct phy_device *phy; 522 int ret, addr; 523 int autosuspend_delay_ms = -1; 524 525 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); 526 if (!data) 527 return -ENOMEM; 528 529 data->manual_mode = false; 530 data->bb_ctrl.ops = &davinci_mdiobb_ops; 531 532 if (IS_ENABLED(CONFIG_OF) && dev->of_node) { 533 const struct soc_device_attribute *soc_match_data; 534 535 soc_match_data = soc_device_match(k3_mdio_socinfo); 536 if (soc_match_data && soc_match_data->data) { 537 const struct k3_mdio_soc_data *socdata = 538 soc_match_data->data; 539 540 data->manual_mode = socdata->manual_mode; 541 } 542 } 543 544 if (data->manual_mode) > 545 data->bus = alloc_mdio_bitbang(&data->bb_ctrl); 546 else 547 data->bus = devm_mdiobus_alloc(dev); 548 549 if (!data->bus) { 550 dev_err(dev, "failed to alloc mii bus\n"); 551 return -ENOMEM; 552 } 553 554 if (IS_ENABLED(CONFIG_OF) && dev->of_node) { 555 const struct davinci_mdio_of_param *of_mdio_data; 556 557 ret = davinci_mdio_probe_dt(&data->pdata, pdev); 558 if (ret) 559 return ret; 560 snprintf(data->bus->id, MII_BUS_ID_SIZE, "%s", pdev->name); 561 562 of_mdio_data = of_device_get_match_data(&pdev->dev); 563 if (of_mdio_data) { 564 autosuspend_delay_ms = 565 of_mdio_data->autosuspend_delay_ms; 566 } 567 } else { 568 data->pdata = pdata ? (*pdata) : default_pdata; 569 snprintf(data->bus->id, MII_BUS_ID_SIZE, "%s-%x", 570 pdev->name, pdev->id); 571 } 572 573 data->bus->name = dev_name(dev); 574 575 if (data->manual_mode) { 576 data->bus->read = davinci_mdiobb_read; 577 data->bus->write = davinci_mdiobb_write; 578 data->bus->reset = davinci_mdiobb_reset; 579 580 dev_info(dev, "Configuring MDIO in manual mode\n"); 581 } else { 582 data->bus->read = davinci_mdio_read; 583 data->bus->write = davinci_mdio_write; 584 data->bus->reset = davinci_mdio_reset; 585 data->bus->priv = data; 586 } 587 data->bus->parent = dev; 588 589 data->clk = devm_clk_get(dev, "fck"); 590 if (IS_ERR(data->clk)) { 591 dev_err(dev, "failed to get device clock\n"); 592 return PTR_ERR(data->clk); 593 } 594 595 dev_set_drvdata(dev, data); 596 data->dev = dev; 597 598 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 599 if (!res) 600 return -EINVAL; 601 data->regs = devm_ioremap(dev, res->start, resource_size(res)); 602 if (!data->regs) 603 return -ENOMEM; 604 605 davinci_mdio_init_clk(data); 606 607 pm_runtime_set_autosuspend_delay(&pdev->dev, autosuspend_delay_ms); 608 pm_runtime_use_autosuspend(&pdev->dev); 609 pm_runtime_enable(&pdev->dev); 610 611 /* register the mii bus 612 * Create PHYs from DT only in case if PHY child nodes are explicitly 613 * defined to support backward compatibility with DTs which assume that 614 * Davinci MDIO will always scan the bus for PHYs detection. 615 */ 616 if (dev->of_node && of_get_child_count(dev->of_node)) 617 data->skip_scan = true; 618 619 ret = of_mdiobus_register(data->bus, dev->of_node); 620 if (ret) 621 goto bail_out; 622 623 /* scan and dump the bus */ 624 for (addr = 0; addr < PHY_MAX_ADDR; addr++) { 625 phy = mdiobus_get_phy(data->bus, addr); 626 if (phy) { 627 dev_info(dev, "phy[%d]: device %s, driver %s\n", 628 phy->mdio.addr, phydev_name(phy), 629 phy->drv ? phy->drv->name : "unknown"); 630 } 631 } 632 633 return 0; 634 635 bail_out: 636 pm_runtime_dont_use_autosuspend(&pdev->dev); 637 pm_runtime_disable(&pdev->dev); 638 return ret; 639 } 640 641 static int davinci_mdio_remove(struct platform_device *pdev) 642 { 643 struct davinci_mdio_data *data = platform_get_drvdata(pdev); 644 645 if (data->bus) { 646 mdiobus_unregister(data->bus); 647 648 if (data->manual_mode) > 649 free_mdio_bitbang(data->bus); 650 } 651 652 pm_runtime_dont_use_autosuspend(&pdev->dev); 653 pm_runtime_disable(&pdev->dev); 654 655 return 0; 656 } 657 -- 0-DAY CI Kernel Test Service https://01.org/lkp
