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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/Manikanta-Maddireddy/PCI-dwc-Reuse-Endpoint-resources-after-fundamental-reset/20261021-114901 base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next patch link: https://lore.kernel.org/r/20261021061903.1269605-4-mmaddireddy%40nvidia.com patch subject: [PATCH v2 3/3] PCI: tegra194: Notify Endpoint functions on PERST# assert config: xtensa-randconfig-1001-20261022 (https://download.01.org/0day-ci/archive/20261023/202610230923.2lf3BsLs-lkp@intel.com/config) compiler: xtensa-linux-gcc (GCC) 15.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261023/202610230923.2lf3BsLs-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202610230923.2lf3BsLs-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/pci/controller/dwc/pcie-tegra194.c: In function 'pex_ep_event_pex_rst_assert': >> drivers/pci/controller/dwc/pcie-tegra194.c:1708:9: error: implicit declaration of function 'pci_epc_linkdown'; did you mean 'dw_pcie_ep_linkdown'? [-Wimplicit-function-declaration] 1708 | pci_epc_linkdown(pcie->pci.ep.epc); | ^~~~~~~~~~~~~~~~ | dw_pcie_ep_linkdown vim +1708 drivers/pci/controller/dwc/pcie-tegra194.c 1688 1689 static void pex_ep_event_pex_rst_assert(struct tegra_pcie_dw *pcie) 1690 { 1691 u32 val; 1692 int ret; 1693 1694 if (pcie->ep_state == EP_STATE_DISABLED) 1695 return; 1696 1697 ret = readl_poll_timeout(pcie->appl_base + APPL_DEBUG, val, 1698 ((val & APPL_DEBUG_LTSSM_STATE_MASK) == LTSSM_STATE_DETECT_QUIET) || 1699 ((val & APPL_DEBUG_LTSSM_STATE_MASK) == LTSSM_STATE_DETECT_ACT) || 1700 ((val & APPL_DEBUG_LTSSM_STATE_MASK) == LTSSM_STATE_PRE_DETECT_QUIET) || 1701 ((val & APPL_DEBUG_LTSSM_STATE_MASK) == LTSSM_STATE_DETECT_WAIT) || 1702 ((val & APPL_DEBUG_LTSSM_STATE_MASK) == LTSSM_STATE_L2_IDLE), 1703 LTSSM_DELAY_US, LTSSM_TIMEOUT_US); 1704 if (ret) 1705 dev_info(pcie->dev, "LTSSM state: 0x%x detect timeout: %d\n", val, ret); 1706 1707 /* Avoid the DBI register reinitialization in dw_pcie_ep_linkdown(). */ > 1708 pci_epc_linkdown(pcie->pci.ep.epc); 1709 1710 /* 1711 * Deassert LTSSM state to stop the state toggling between 1712 * Polling and Detect. 1713 */ 1714 val = appl_readl(pcie, APPL_CTRL); 1715 val &= ~APPL_CTRL_LTSSM_EN; 1716 appl_writel(pcie, val, APPL_CTRL); 1717 1718 reset_control_assert(pcie->core_rst); 1719 1720 tegra_pcie_disable_phy(pcie); 1721 1722 reset_control_assert(pcie->core_apb_rst); 1723 1724 clk_disable_unprepare(pcie->core_clk); 1725 1726 pm_runtime_put_sync(pcie->dev); 1727 1728 if (pcie->enable_ext_refclk) { 1729 ret = tegra_pcie_bpmp_set_pll_state(pcie, false); 1730 if (ret) 1731 dev_err(pcie->dev, "Failed to turn off UPHY: %d\n", 1732 ret); 1733 } 1734 1735 ret = tegra_pcie_bpmp_set_ctrl_state(pcie, false); 1736 if (ret) 1737 dev_err(pcie->dev, "Failed to disable controller: %d\n", ret); 1738 1739 pcie->ep_state = EP_STATE_DISABLED; 1740 dev_dbg(pcie->dev, "Uninitialization of endpoint is completed\n"); 1741 } 1742 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki