tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 52a3b0aa13aa2325ca2caf528fbcaba06ad3bab5 commit: 8733e7995bd92d8159ba0df49df547f4b9c4862b [13/13] ub:ubus: Add Ubus setting configuration space function config: arm64-randconfig-004-20251226 (https://download.01.org/0day-ci/archive/20251226/202512260743.vsk7cscA-lkp@i...) compiler: aarch64-linux-gcc (GCC) 13.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251226/202512260743.vsk7cscA-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512260743.vsk7cscA-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/ub/ubus/config.c:51:5: warning: no previous prototype for 'ub_cfg_read_byte' [-Wmissing-prototypes] 51 | int ub_cfg_read_byte(struct ub_entity *uent, u64 pos, u8 *val) | ^~~~~~~~~~~~~~~~ drivers/ub/ubus/config.c:60:5: warning: no previous prototype for 'ub_cfg_read_word' [-Wmissing-prototypes] 60 | int ub_cfg_read_word(struct ub_entity *uent, u64 pos, u16 *val) | ^~~~~~~~~~~~~~~~ drivers/ub/ubus/config.c:69:5: warning: no previous prototype for 'ub_cfg_read_dword' [-Wmissing-prototypes] 69 | int ub_cfg_read_dword(struct ub_entity *uent, u64 pos, u32 *val) | ^~~~~~~~~~~~~~~~~ drivers/ub/ubus/config.c:78:5: warning: no previous prototype for 'ub_cfg_write_byte' [-Wmissing-prototypes] 78 | int ub_cfg_write_byte(struct ub_entity *uent, u64 pos, u8 val) | ^~~~~~~~~~~~~~~~~ drivers/ub/ubus/config.c:87:5: warning: no previous prototype for 'ub_cfg_write_word' [-Wmissing-prototypes] 87 | int ub_cfg_write_word(struct ub_entity *uent, u64 pos, u16 val) | ^~~~~~~~~~~~~~~~~ drivers/ub/ubus/config.c:96:5: warning: no previous prototype for 'ub_cfg_write_dword' [-Wmissing-prototypes] 96 | int ub_cfg_write_dword(struct ub_entity *uent, u64 pos, u32 val) | ^~~~~~~~~~~~~~~~~~

...

drivers/ub/ubus/config.c:15:3: warning: 'cfg_ops_t' defined but not used [-Wunused-const-variable=] 15 | } cfg_ops_t; | ^~~~~~~~~

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for RESCTRL_FS Depends on [n]: MISC_FILESYSTEMS [=n] && ARCH_HAS_CPU_RESCTRL [=y] Selected by [y]: - ARM64_MPAM [=y] vim +/cfg_ops_t +15 drivers/ub/ubus/config.c 7 8 static const struct cfg_ops { 9 read_byte_f cfg_read_byte; 10 read_word_f cfg_read_word; 11 read_dword_f cfg_read_dword; 12 write_byte_f cfg_write_byte; 13 write_word_f cfg_write_word; 14 write_dword_f cfg_write_dword;

15 } cfg_ops_t; 16 17 static struct cfg_ops ub_cfg_ops = {}; 18 19 int register_ub_cfg_read_ops(read_byte_f rb, read_word_f rw, read_dword_f rdw) 20 { 21 if (rb && rw && rdw) { 22 ub_cfg_ops.cfg_read_byte = rb; 23 ub_cfg_ops.cfg_read_word = rw; 24 ub_cfg_ops.cfg_read_dword = rdw; 25 return 0; 26 } 27 28 return -EINVAL; 29 } 30 EXPORT_SYMBOL_GPL(register_ub_cfg_read_ops); 31 32 int register_ub_cfg_write_ops(write_byte_f wb, write_word_f ww, write_dword_f wdw) 33 { 34 if (wb && ww && wdw) { 35 ub_cfg_ops.cfg_write_byte = wb; 36 ub_cfg_ops.cfg_write_word = ww; 37 ub_cfg_ops.cfg_write_dword = wdw; 38 return 0; 39 } 40 41 return -EINVAL; 42 } 43 EXPORT_SYMBOL_GPL(register_ub_cfg_write_ops); 44 45 void unregister_ub_cfg_ops(void) 46 { 47 memset(&ub_cfg_ops, 0, sizeof(struct cfg_ops)); 48 } 49 EXPORT_SYMBOL_GPL(unregister_ub_cfg_ops); 50 51 int ub_cfg_read_byte(struct ub_entity *uent, u64 pos, u8 *val) 52 { 53 if (!ub_cfg_ops.cfg_read_byte) 54 return -ENODEV; 55 56 return ub_cfg_ops.cfg_read_byte(uent, pos, val); 57 } 58 EXPORT_SYMBOL_GPL(ub_cfg_read_byte); 59 60 int ub_cfg_read_word(struct ub_entity *uent, u64 pos, u16 *val) 61 { 62 if (!ub_cfg_ops.cfg_read_word) 63 return -ENODEV; 64 65 return ub_cfg_ops.cfg_read_word(uent, pos, val); 66 } 67 EXPORT_SYMBOL_GPL(ub_cfg_read_word); 68 69 int ub_cfg_read_dword(struct ub_entity *uent, u64 pos, u32 *val) 70 { 71 if (!ub_cfg_ops.cfg_read_dword) 72 return -ENODEV; 73 74 return ub_cfg_ops.cfg_read_dword(uent, pos, val); 75 } 76 EXPORT_SYMBOL_GPL(ub_cfg_read_dword); 77 78 int ub_cfg_write_byte(struct ub_entity *uent, u64 pos, u8 val) 79 { 80 if (!ub_cfg_ops.cfg_write_byte) 81 return -ENODEV; 82 83 return ub_cfg_ops.cfg_write_byte(uent, pos, val); 84 } 85 EXPORT_SYMBOL_GPL(ub_cfg_write_byte); 86

-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki