Hi Keith, I love your patch! Perhaps something to improve: [auto build test WARNING on pci/next] [also build test WARNING on next-20201217] [cannot apply to v5.10] [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] url: https://github.com/0day-ci/linux/commits/Keith-Busch/PCI-ERR-Clear-status-of-the-reporting-device/20201218-011952 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: parisc-randconfig-r014-20201217 (attached as .config) compiler: hppa64-linux-gcc (GCC) 9.3.0 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://github.com/0day-ci/linux/commit/8f1a820daa9ec2e25dfbdd5b4752df01e849b3aa git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Keith-Busch/PCI-ERR-Clear-status-of-the-reporting-device/20201218-011952 git checkout 8f1a820daa9ec2e25dfbdd5b4752df01e849b3aa # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): drivers/pci/pcie/aer.c: In function 'aer_root_reset': >> drivers/pci/pcie/aer.c:15:21: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'int' [-Wformat=] 15 | #define pr_fmt(fmt) "AER: " fmt | ^~~~~~~ drivers/pci/pcie/aer.c:16:17: note: in expansion of macro 'pr_fmt' 16 | #define dev_fmt pr_fmt | ^~~~~~ include/linux/dev_printk.h:118:17: note: in expansion of macro 'dev_fmt' 118 | _dev_info(dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ include/linux/pci.h:2417:37: note: in expansion of macro 'dev_info' 2417 | #define pci_info(pdev, fmt, arg...) dev_info(&(pdev)->dev, fmt, ##arg) | ^~~~~~~~ drivers/pci/pcie/aer.c:1417:3: note: in expansion of macro 'pci_info' 1417 | pci_info(dev, "%s Port link has been reset (%d)\n", rc, | ^~~~~~~~ drivers/pci/pcie/aer.c:1417:19: note: format string is defined here 1417 | pci_info(dev, "%s Port link has been reset (%d)\n", rc, | ~^ | | | char * | %d >> drivers/pci/pcie/aer.c:15:21: warning: format '%d' expects argument of type 'int', but argument 4 has type 'char *' [-Wformat=] 15 | #define pr_fmt(fmt) "AER: " fmt | ^~~~~~~ drivers/pci/pcie/aer.c:16:17: note: in expansion of macro 'pr_fmt' 16 | #define dev_fmt pr_fmt | ^~~~~~ include/linux/dev_printk.h:118:17: note: in expansion of macro 'dev_fmt' 118 | _dev_info(dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ include/linux/pci.h:2417:37: note: in expansion of macro 'dev_info' 2417 | #define pci_info(pdev, fmt, arg...) dev_info(&(pdev)->dev, fmt, ##arg) | ^~~~~~~~ drivers/pci/pcie/aer.c:1417:3: note: in expansion of macro 'pci_info' 1417 | pci_info(dev, "%s Port link has been reset (%d)\n", rc, | ^~~~~~~~ drivers/pci/pcie/aer.c:1417:48: note: format string is defined here 1417 | pci_info(dev, "%s Port link has been reset (%d)\n", rc, | ~^ | | | int | %s vim +15 drivers/pci/pcie/aer.c 9cc6f75b27e76d3 Frederick Lawler 2019-05-07 @15 #define pr_fmt(fmt) "AER: " fmt 9cc6f75b27e76d3 Frederick Lawler 2019-05-07 16 #define dev_fmt pr_fmt 9cc6f75b27e76d3 Frederick Lawler 2019-05-07 17 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org