Hi Mario, kernel test robot noticed the following build errors: [auto build test ERROR on rafael-pm/linux-next] [also build test ERROR on rafael-pm/bleeding-edge linus/master v6.12-rc5 next-20241101] [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/Mario-Limonciello/ACPI-platform-profile-Add-a-name-member-to-handlers/20241031-121650 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next patch link: https://lore.kernel.org/r/20241031040952.109057-21-mario.limonciello%40amd.com patch subject: [PATCH v3 20/22] ACPI: platform_profile: Register class device for platform profile handlers config: i386-buildonly-randconfig-005-20241101 (https://download.01.org/0day-ci/archive/20241101/202411012227.46a4WcxB-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241101/202411012227.46a4WcxB-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/202411012227.46a4WcxB-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/acpi/platform_profile.c:303:7: error: call to undeclared function 'MKDEV'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 303 | MKDEV(0, pprof->minor), NULL, "platform-profile-%s", | ^ drivers/acpi/platform_profile.c:344:42: error: call to undeclared function 'MKDEV'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 344 | device_destroy(&platform_profile_class, MKDEV(0, pprof->minor)); | ^ 2 errors generated. vim +/MKDEV +303 drivers/acpi/platform_profile.c 261 262 int platform_profile_register(struct platform_profile_handler *pprof) 263 { 264 bool registered; 265 int err; 266 267 /* Sanity check the profile handler */ 268 if (!pprof || bitmap_empty(pprof->choices, PLATFORM_PROFILE_LAST) || 269 !pprof->profile_set || !pprof->profile_get) { 270 pr_err("platform_profile: handler is invalid\n"); 271 return -EINVAL; 272 } 273 if (!test_bit(PLATFORM_PROFILE_BALANCED, pprof->choices)) { 274 pr_err("platform_profile: handler does not support balanced profile\n"); 275 return -EINVAL; 276 } 277 if (!pprof->dev) { 278 pr_err("platform_profile: handler device is not set\n"); 279 return -EINVAL; 280 } 281 282 guard(mutex)(&profile_lock); 283 /* We can only have one active profile */ 284 if (cur_profile) 285 return -EEXIST; 286 287 registered = platform_profile_is_registered(); 288 if (!registered) { 289 /* class for individual handlers */ 290 err = class_register(&platform_profile_class); 291 if (err) 292 return err; 293 /* legacy sysfs files */ 294 err = sysfs_create_group(acpi_kobj, &platform_profile_group); 295 if (err) 296 goto cleanup_class; 297 298 } 299 300 /* create class interface for individual handler */ 301 pprof->minor = idr_alloc(&platform_profile_minor_idr, pprof, 0, 0, GFP_KERNEL); 302 pprof->class_dev = device_create(&platform_profile_class, pprof->dev, > 303 MKDEV(0, pprof->minor), NULL, "platform-profile-%s", 304 pprof->name); 305 if (IS_ERR(pprof->class_dev)) { 306 err = PTR_ERR(pprof->class_dev); 307 goto cleanup_legacy; 308 } 309 err = sysfs_create_group(&pprof->class_dev->kobj, &platform_profile_group); 310 if (err) 311 goto cleanup_device; 312 313 list_add_tail(&pprof->list, &platform_profile_handler_list); 314 sysfs_notify(acpi_kobj, NULL, "platform_profile"); 315 316 cur_profile = pprof; 317 return 0; 318 319 cleanup_device: 320 device_destroy(&platform_profile_class, MKDEV(0, pprof->minor)); 321 322 cleanup_legacy: 323 if (!registered) 324 sysfs_remove_group(acpi_kobj, &platform_profile_group); 325 cleanup_class: 326 if (!registered) 327 class_unregister(&platform_profile_class); 328 329 return err; 330 } 331 EXPORT_SYMBOL_GPL(platform_profile_register); 332 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
