Hi Krishna, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on helgaas-pci/next] [also build test WARNING on next-20220804] [cannot apply to linus/master v5.19] [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/Krishna-chaitanya-chundru/PCI-Restrict-pci-transactions-after-pci-suspend/20220803-193033 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: arm64-randconfig-r024-20220804 (https://download.01.org/0day-ci/archive/20220805/202208051112.qnLsiuff-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 26dd42705c2af0b8f6e5d6cdb32c9bd5ed9524eb) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/64b4ad561ad4a28aa8840303f29669bf7af77757 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Krishna-chaitanya-chundru/PCI-Restrict-pci-transactions-after-pci-suspend/20220803-193033 git checkout 64b4ad561ad4a28aa8840303f29669bf7af77757 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/pci/controller/dwc/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/pci/controller/dwc/pcie-qcom.c:1847:6: warning: format specifies type 'int' but the argument has type 's64' (aka 'long long') [-Wformat] ktime_to_ms(ktime_get() - start)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:150:67: note: expanded from macro 'dev_info' dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap' _p_func(dev, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ 1 warning generated. vim +1847 drivers/pci/controller/dwc/pcie-qcom.c 1827 1828 static int __maybe_unused qcom_pcie_pm_suspend(struct device *dev) 1829 { 1830 struct qcom_pcie *pcie = dev_get_drvdata(dev); 1831 u32 val; 1832 ktime_t timeout, start; 1833 1834 if (!pcie->cfg->supports_system_suspend) 1835 return 0; 1836 1837 start = ktime_get(); 1838 /* Wait max 100 ms */ 1839 timeout = ktime_add_ms(start, 100); 1840 while (1) { 1841 bool timedout = ktime_after(ktime_get(), timeout); 1842 1843 /* if the link is not in l1ss don't turn off clocks */ 1844 val = readl(pcie->parf + PCIE20_PARF_PM_STTS); 1845 if ((val & PCIE20_PARF_PM_STTS_LINKST_IN_L1SUB)) { 1846 dev_info(dev, "Link enters L1ss after %d ms\n", > 1847 ktime_to_ms(ktime_get() - start)); 1848 break; 1849 } 1850 1851 if (timedout) { 1852 dev_warn(dev, "Link is not in L1ss\n"); 1853 return 0; 1854 } 1855 usleep_range(1000, 1200); 1856 } 1857 1858 if (pcie->cfg->ops->suspend) 1859 pcie->cfg->ops->suspend(pcie); 1860 1861 pcie->is_suspended = true; 1862 1863 return 0; 1864 } 1865 -- 0-DAY CI Kernel Test Service https://01.org/lkp