Hi Feng, kernel test robot noticed the following build warnings: [auto build test WARNING on pci/next] [also build test WARNING on pci/for-linus linus/master v6.14-rc3 next-20250218] [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/Feng-Tang/PCI-Disable-PCIE-hotplug-interrupts-early-when-msi-is-disabled/20250218-115134 base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next patch link: https://lore.kernel.org/r/20250218034859.40397-1-feng.tang%40linux.alibaba.com patch subject: [PATCH v2 1/2] PCI/portdrv: Add necessary wait for disabling hotplug events config: csky-randconfig-002-20250219 (https://download.01.org/0day-ci/archive/20250219/202502191308.uQbXkZna-lkp@xxxxxxxxx/config) compiler: csky-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250219/202502191308.uQbXkZna-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/202502191308.uQbXkZna-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/pci/pcie/portdrv.c: In function 'pcie_wait_sltctl_cmd_raw': >> drivers/pci/pcie/portdrv.c:212:18: warning: variable 'ret1' set but not used [-Wunused-but-set-variable] 212 | int ret, ret1, timeout_us; | ^~~~ vim +/ret1 +212 drivers/pci/pcie/portdrv.c 208 209 static int pcie_wait_sltctl_cmd_raw(struct pci_dev *dev) 210 { 211 u16 slot_status = 0; > 212 int ret, ret1, timeout_us; 213 214 /* 1 second, according to PCIe spec 6.1, section 6.7.3.2 */ 215 timeout_us = 1000000; 216 ret = read_poll_timeout(pcie_capability_read_word, ret1, 217 (slot_status & PCI_EXP_SLTSTA_CC), 10000, 218 timeout_us, true, dev, PCI_EXP_SLTSTA, 219 &slot_status); 220 if (!ret) 221 pcie_capability_write_word(dev, PCI_EXP_SLTSTA, 222 PCI_EXP_SLTSTA_CC); 223 224 return ret; 225 } 226 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
