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It may have been fixed somewhere. All errors (new ones prefixed by >>): In file included from arch/sparc/kernel/of_device_common.c:10: >> include/linux/of_address.h:111:12: error: 'of_property_read_reg' defined but not used [-Werror=unused-function] 111 | static int of_property_read_reg(struct device_node *np, int idx, u64 *addr, u64 *size) | ^~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/of_property_read_reg +111 include/linux/of_address.h 110 > 111 static int of_property_read_reg(struct device_node *np, int idx, u64 *addr, u64 *size) 112 { 113 return -ENOSYS; 114 } 115 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests