Hi Philipp, kernel test robot noticed the following build errors: [auto build test ERROR on pci/next] [also build test ERROR on pci/for-linus arnd-asm-generic/master kees/for-next/pstore kees/for-next/kspp linus/master v6.7-rc4 next-20231205] [If your patch is applied to the wrong git tree, kindly drop us a note. 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/Philipp-Stanner/lib-pci_iomap-c-fix-cleanup-bugs-in-pci_iounmap/20231204-204128 base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next patch link: https://lore.kernel.org/r/20231204123834.29247-6-pstanner%40redhat.com patch subject: [PATCH v3 5/5] lib, pci: unify generic pci_iounmap() config: openrisc-virt_defconfig (https://download.01.org/0day-ci/archive/20231205/202312051813.09WbvusW-lkp@xxxxxxxxx/config) compiler: or1k-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231205/202312051813.09WbvusW-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/202312051813.09WbvusW-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/pci/iomap.c: In function 'pci_iounmap': >> drivers/pci/iomap.c:155:17: error: implicit declaration of function 'ioport_unmap'; did you mean 'devm_ioport_unmap'? [-Werror=implicit-function-declaration] 155 | ioport_unmap(addr); | ^~~~~~~~~~~~ | devm_ioport_unmap cc1: some warnings being treated as errors vim +155 drivers/pci/iomap.c 144 145 /** 146 * pci_iounmap - Unmapp a mapping 147 * @dev: PCI device the mapping belongs to 148 * @addr: start address of the mapping 149 * 150 * Unmapp a PIO or MMIO mapping. 151 */ 152 void pci_iounmap(struct pci_dev *dev, void __iomem *addr) 153 { 154 if (iomem_is_ioport(addr)) { > 155 ioport_unmap(addr); 156 return; 157 } 158 159 iounmap(addr); 160 } 161 EXPORT_SYMBOL(pci_iounmap); 162 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki