tree: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git controller/dwc-stm32 head: 5a972a01e24b278f7302a834c6eaee5bdac12843 commit: 633f42f48af5a55abbdb92b036f23b428c5fb59b [2/5] PCI: stm32: Add PCIe host support for STM32MP25 config: um-allmodconfig (https://download.01.org/0day-ci/archive/20250626/202506260920.bmQ9hQ9s-lkp@xxxxxxxxx/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250626/202506260920.bmQ9hQ9s-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/202506260920.bmQ9hQ9s-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/pci/controller/dwc/pcie-stm32.c:12: In file included from include/linux/phy/phy.h:17: In file included from include/linux/regulator/consumer.h:35: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:27: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from arch/um/include/asm/hardirq.h:5: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:12: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:1175:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 1175 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; | ~~~~~~~~~~ ^ >> drivers/pci/controller/dwc/pcie-stm32.c:96:23: error: incomplete definition of type 'struct dev_pin_info' 96 | if (!IS_ERR(dev->pins->init_state)) | ~~~~~~~~~^ include/linux/device.h:46:8: note: forward declaration of 'struct dev_pin_info' 46 | struct dev_pin_info; | ^ drivers/pci/controller/dwc/pcie-stm32.c:97:39: error: incomplete definition of type 'struct dev_pin_info' 97 | ret = pinctrl_select_state(dev->pins->p, dev->pins->init_state); | ~~~~~~~~~^ include/linux/device.h:46:8: note: forward declaration of 'struct dev_pin_info' 46 | struct dev_pin_info; | ^ drivers/pci/controller/dwc/pcie-stm32.c:97:53: error: incomplete definition of type 'struct dev_pin_info' 97 | ret = pinctrl_select_state(dev->pins->p, dev->pins->init_state); | ~~~~~~~~~^ include/linux/device.h:46:8: note: forward declaration of 'struct dev_pin_info' 46 | struct dev_pin_info; | ^ 1 warning and 3 errors generated. vim +96 drivers/pci/controller/dwc/pcie-stm32.c 85 86 static int stm32_pcie_resume_noirq(struct device *dev) 87 { 88 struct stm32_pcie *stm32_pcie = dev_get_drvdata(dev); 89 int ret; 90 91 /* 92 * The core clock is gated with CLKREQ# from the COMBOPHY REFCLK, 93 * thus if no device is present, must force it low with an init pinmux 94 * to be able to access the DBI registers. 95 */ > 96 if (!IS_ERR(dev->pins->init_state)) 97 ret = pinctrl_select_state(dev->pins->p, dev->pins->init_state); 98 else 99 ret = pinctrl_pm_select_default_state(dev); 100 101 if (ret) { 102 dev_err(dev, "Failed to activate pinctrl pm state: %d\n", ret); 103 return ret; 104 } 105 106 if (!device_wakeup_path(dev)) { 107 ret = phy_init(stm32_pcie->phy); 108 if (ret) { 109 pinctrl_pm_select_default_state(dev); 110 return ret; 111 } 112 } 113 114 ret = clk_prepare_enable(stm32_pcie->clk); 115 if (ret) 116 goto err_phy_exit; 117 118 stm32_pcie_deassert_perst(stm32_pcie); 119 120 ret = dw_pcie_resume_noirq(&stm32_pcie->pci); 121 if (ret) 122 goto err_disable_clk; 123 124 pinctrl_pm_select_default_state(dev); 125 126 return 0; 127 128 err_disable_clk: 129 stm32_pcie_assert_perst(stm32_pcie); 130 clk_disable_unprepare(stm32_pcie->clk); 131 132 err_phy_exit: 133 phy_exit(stm32_pcie->phy); 134 pinctrl_pm_select_default_state(dev); 135 136 return ret; 137 } 138 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
