Hi Sanrio, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on helgaas-pci/next] [also build test WARNING on v5.16-rc8 next-20220107] [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/Sanrio-Alvares/PCI-thunderbolt-Add-quirk-to-handle-incorrect-Supported-Link-Speeds/20220107-064444 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: riscv-randconfig-s032-20220106 (https://download.01.org/0day-ci/archive/20220108/202201082217.CMkPI5k2-lkp@xxxxxxxxx/config) compiler: riscv64-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/0day-ci/linux/commit/98f8f42acd1b8f46f3e6778fa58dd0d1cd005369 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Sanrio-Alvares/PCI-thunderbolt-Add-quirk-to-handle-incorrect-Supported-Link-Speeds/20220107-064444 git checkout 98f8f42acd1b8f46f3e6778fa58dd0d1cd005369 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=riscv SHELL=/bin/bash drivers/pci/ kernel/bpf/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) drivers/pci/quirks.c:2323:57: sparse: sparse: restricted pci_power_t degrades to integer >> drivers/pci/quirks.c:5304:6: sparse: sparse: symbol 'quirk_intel_tbt_supported_link_speeds' was not declared. Should it be static? vim +/quirk_intel_tbt_supported_link_speeds +5304 drivers/pci/quirks.c 5298 5299 /* 5300 * Intel Titan Ridge returns incorrect Supported Link Speeds Vector 5301 * when max Link Speed is 2.5GT/s. This results in an extra 1s delay during 5302 * resume_noirq with pcie tunneling enabled. Override that value: 5303 */ > 5304 void quirk_intel_tbt_supported_link_speeds(struct pci_dev *pdev) 5305 { 5306 pci_info(pdev, "applying Supported Link Speeds quirk\n"); 5307 pdev->supported_link_speed = PCIE_SPEED_2_5GT; 5308 } 5309 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x15e7, quirk_intel_tbt_supported_link_speeds); 5310 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x15ea, quirk_intel_tbt_supported_link_speeds); 5311 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x15ef, quirk_intel_tbt_supported_link_speeds); 5312 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx