drivers/pci/controller/cadence/pci-j721e.c:648:undefined reference to `cdns_pcie_host_disable'
From: kernel test robot
Date: Tue Nov 11 2025 - 04:31:07 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 4427259cc7f7571a157fbc9b5011e1ef6fe0a4a8
commit: 1c72774df028429836eec3394212f2921bb830fc PCI: sg2042: Add Sophgo SG2042 PCIe driver
date: 8 weeks ago
config: loongarch-randconfig-r113-20251110 (https://download.01.org/0day-ci/archive/20251111/202511111705.MZ7ls8Hm-lkp@xxxxxxxxx/config)
compiler: loongarch64-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251111/202511111705.MZ7ls8Hm-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511111705.MZ7ls8Hm-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
loongarch64-linux-ld: drivers/pci/controller/cadence/pci-j721e.o: in function `j721e_pcie_remove':
>> drivers/pci/controller/cadence/pci-j721e.c:648:(.text+0x83c): undefined reference to `cdns_pcie_host_disable'
vim +648 drivers/pci/controller/cadence/pci-j721e.c
f3e25911a430ed Kishon Vijay Abraham I 2020-07-22 637
c86f4bd6008e7e Uwe Kleine-König 2023-03-21 638 static void j721e_pcie_remove(struct platform_device *pdev)
f3e25911a430ed Kishon Vijay Abraham I 2020-07-22 639 {
f3e25911a430ed Kishon Vijay Abraham I 2020-07-22 640 struct j721e_pcie *pcie = platform_get_drvdata(pdev);
f3e25911a430ed Kishon Vijay Abraham I 2020-07-22 641 struct cdns_pcie *cdns_pcie = pcie->cdns_pcie;
f3e25911a430ed Kishon Vijay Abraham I 2020-07-22 642 struct device *dev = &pdev->dev;
a2790bf81f0f7b Siddharth Vadapalli 2025-04-17 643 struct cdns_pcie_ep *ep;
a2790bf81f0f7b Siddharth Vadapalli 2025-04-17 644 struct cdns_pcie_rc *rc;
a2790bf81f0f7b Siddharth Vadapalli 2025-04-17 645
a2790bf81f0f7b Siddharth Vadapalli 2025-04-17 646 if (pcie->mode == PCI_MODE_RC) {
a2790bf81f0f7b Siddharth Vadapalli 2025-04-17 647 rc = container_of(cdns_pcie, struct cdns_pcie_rc, pcie);
a2790bf81f0f7b Siddharth Vadapalli 2025-04-17 @648 cdns_pcie_host_disable(rc);
a2790bf81f0f7b Siddharth Vadapalli 2025-04-17 649 } else {
a2790bf81f0f7b Siddharth Vadapalli 2025-04-17 650 ep = container_of(cdns_pcie, struct cdns_pcie_ep, pcie);
a2790bf81f0f7b Siddharth Vadapalli 2025-04-17 651 cdns_pcie_ep_disable(ep);
a2790bf81f0f7b Siddharth Vadapalli 2025-04-17 652 }
a2790bf81f0f7b Siddharth Vadapalli 2025-04-17 653
a2790bf81f0f7b Siddharth Vadapalli 2025-04-17 654 gpiod_set_value_cansleep(pcie->reset_gpio, 0);
f3e25911a430ed Kishon Vijay Abraham I 2020-07-22 655
49e0efdce79125 Kishon Vijay Abraham I 2021-03-08 656 clk_disable_unprepare(pcie->refclk);
f3e25911a430ed Kishon Vijay Abraham I 2020-07-22 657 cdns_pcie_disable_phy(cdns_pcie);
a2790bf81f0f7b Siddharth Vadapalli 2025-04-17 658 j721e_pcie_disable_link_irq(pcie);
f3e25911a430ed Kishon Vijay Abraham I 2020-07-22 659 pm_runtime_put(dev);
f3e25911a430ed Kishon Vijay Abraham I 2020-07-22 660 pm_runtime_disable(dev);
f3e25911a430ed Kishon Vijay Abraham I 2020-07-22 661 }
f3e25911a430ed Kishon Vijay Abraham I 2020-07-22 662
:::::: The code at line 648 was first introduced by commit
:::::: a2790bf81f0f7b0fb683204cd3bef07feecb9958 PCI: j721e: Add support to build as a loadable module
:::::: TO: Siddharth Vadapalli <s-vadapalli@xxxxxx>
:::::: CC: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
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