Hi Vivek, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b7b275e60bcd5f89771e865a8239325f86d9927d commit: 0b56e9a7e8358e59b21d8a425e463072bfae523c phy: Group vendor specific phy drivers date: 5 years ago config: x86_64-buildonly-randconfig-r001-20221128 compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0b56e9a7e8358e59b21d8a425e463072bfae523c git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 0b56e9a7e8358e59b21d8a425e463072bfae523c # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash LDFLAGS=-z max-page-size=0x200000 drivers/i2c/muxes/ drivers/media/rc/ drivers/phy/st/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/phy/st/phy-spear1310-miphy.c:176:34: warning: 'spear1310_miphy_of_match' defined but not used [-Wunused-const-variable=] static const struct of_device_id spear1310_miphy_of_match[] = { ^~~~~~~~~~~~~~~~~~~~~~~~ vim +/spear1310_miphy_of_match +176 drivers/phy/st/phy-spear1310-miphy.c 64562e99477fc5 drivers/phy/phy-spear1310-miphy.c Pratyush Anand 2014-04-14 175 64562e99477fc5 drivers/phy/phy-spear1310-miphy.c Pratyush Anand 2014-04-14 @176 static const struct of_device_id spear1310_miphy_of_match[] = { 64562e99477fc5 drivers/phy/phy-spear1310-miphy.c Pratyush Anand 2014-04-14 177 { .compatible = "st,spear1310-miphy" }, 64562e99477fc5 drivers/phy/phy-spear1310-miphy.c Pratyush Anand 2014-04-14 178 { }, 64562e99477fc5 drivers/phy/phy-spear1310-miphy.c Pratyush Anand 2014-04-14 179 }; 64562e99477fc5 drivers/phy/phy-spear1310-miphy.c Pratyush Anand 2014-04-14 180 MODULE_DEVICE_TABLE(of, spear1310_miphy_of_match); 64562e99477fc5 drivers/phy/phy-spear1310-miphy.c Pratyush Anand 2014-04-14 181 :::::: The code at line 176 was first introduced by commit :::::: 64562e99477fc58a11e7f351f959c956586906e1 phy: Add drivers for PCIe and SATA phy on SPEAr13xx :::::: TO: Pratyush Anand :::::: CC: Viresh Kumar -- 0-DAY CI Kernel Test Service https://01.org/lkp