Hi Koba, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.5 next-20230831] [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/Koba-Ko/ata-libata-add-workaround-to-flip-LPM-during-suspend-resume/20230901-030957 base: linus/master patch link: https://lore.kernel.org/r/20230831190828.1171119-1-koba.ko%40canonical.com patch subject: [PATCH] ata: libata: add workaround to flip LPM during suspend/resume config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20230901/202309010504.kO8lW46F-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230901/202309010504.kO8lW46F-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/202309010504.kO8lW46F-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/ata/ahci.c:98:12: warning: 'ahci_intel_port_suspend' declared 'static' but never defined [-Wunused-function] 98 | static int ahci_intel_port_suspend(struct ata_port *ap, pm_message_t mesg); | ^~~~~~~~~~~~~~~~~~~~~~~ >> drivers/ata/ahci.c:99:12: warning: 'ahci_intel_port_resume' declared 'static' but never defined [-Wunused-function] 99 | static int ahci_intel_port_resume(struct ata_port *ap); | ^~~~~~~~~~~~~~~~~~~~~~ vim +98 drivers/ata/ahci.c 82 83 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); 84 static void ahci_remove_one(struct pci_dev *dev); 85 static void ahci_shutdown_one(struct pci_dev *dev); 86 static void ahci_intel_pcs_quirk(struct pci_dev *pdev, struct ahci_host_priv *hpriv); 87 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class, 88 unsigned long deadline); 89 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class, 90 unsigned long deadline); 91 static void ahci_mcp89_apple_enable(struct pci_dev *pdev); 92 static bool is_mcp89_apple(struct pci_dev *pdev); 93 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class, 94 unsigned long deadline); 95 #ifdef CONFIG_PM 96 static int ahci_pci_device_runtime_suspend(struct device *dev); 97 static int ahci_pci_device_runtime_resume(struct device *dev); > 98 static int ahci_intel_port_suspend(struct ata_port *ap, pm_message_t mesg); > 99 static int ahci_intel_port_resume(struct ata_port *ap); 100 #ifdef CONFIG_PM_SLEEP 101 static int ahci_pci_device_suspend(struct device *dev); 102 static int ahci_pci_device_resume(struct device *dev); 103 #endif 104 #endif /* CONFIG_PM */ 105 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
