tree: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge head: 1cc7a914a31bd41feb404b644539a007f99b4f00 commit: af0c508eaaf052006a183dab9c3a2994615942d1 thermal: core: Store zone ops in struct thermal_zone_device date: 13 hours ago config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20240211/202402111258.zSHkL26j-lkp@xxxxxxxxx/config) compiler: sh4-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240211/202402111258.zSHkL26j-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/202402111258.zSHkL26j-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/thermal/thermal_of.c: In function 'thermal_of_zone_register': >> drivers/thermal/thermal_of.c:487:24: warning: returning 'long int' from a function with return type 'struct thermal_zone_device *' makes pointer from integer without a cast [-Wint-conversion] 487 | return PTR_ERR(np); | ^~~~~~~~~~~ drivers/thermal/thermal_of.c:493:24: warning: returning 'long int' from a function with return type 'struct thermal_zone_device *' makes pointer from integer without a cast [-Wint-conversion] 493 | return PTR_ERR(trips); | ^~~~~~~~~~~~~~ vim +487 drivers/thermal/thermal_of.c 449 450 /** 451 * thermal_of_zone_register - Register a thermal zone with device node 452 * sensor 453 * 454 * The thermal_of_zone_register() parses a device tree given a device 455 * node sensor and identifier. It searches for the thermal zone 456 * associated to the couple sensor/id and retrieves all the thermal 457 * zone properties and registers new thermal zone with those 458 * properties. 459 * 460 * @sensor: A device node pointer corresponding to the sensor in the device tree 461 * @id: An integer as sensor identifier 462 * @data: A private data to be stored in the thermal zone dedicated private area 463 * @ops: A set of thermal sensor ops 464 * 465 * Return: a valid thermal zone structure pointer on success. 466 * - EINVAL: if the device tree thermal description is malformed 467 * - ENOMEM: if one structure can not be allocated 468 * - Other negative errors are returned by the underlying called functions 469 */ 470 static struct thermal_zone_device *thermal_of_zone_register(struct device_node *sensor, int id, void *data, 471 const struct thermal_zone_device_ops *ops) 472 { 473 struct thermal_zone_device_ops of_ops = *ops; 474 struct thermal_zone_device *tz; 475 struct thermal_trip *trips; 476 struct thermal_zone_params tzp = {}; 477 struct device_node *np; 478 const char *action; 479 int delay, pdelay; 480 int ntrips; 481 int ret; 482 483 np = of_thermal_zone_find(sensor, id); 484 if (IS_ERR(np)) { 485 if (PTR_ERR(np) != -ENODEV) 486 pr_err("Failed to find thermal zone for %pOFn id=%d\n", sensor, id); > 487 return PTR_ERR(np); 488 } 489 490 trips = thermal_of_trips_init(np, &ntrips); 491 if (IS_ERR(trips)) { 492 pr_err("Failed to find trip points for %pOFn id=%d\n", sensor, id); 493 return PTR_ERR(trips); 494 } 495 496 ret = thermal_of_monitor_init(np, &delay, &pdelay); 497 if (ret) { 498 pr_err("Failed to initialize monitoring delays from %pOFn\n", np); 499 goto out_kfree_trips; 500 } 501 502 thermal_of_parameters_init(np, &tzp); 503 504 of_ops.bind = thermal_of_bind; 505 of_ops.unbind = thermal_of_unbind; 506 507 ret = of_property_read_string(np, "critical-action", &action); 508 if (!ret) 509 if (!of_ops.critical && !strcasecmp(action, "reboot")) 510 of_ops.critical = thermal_zone_device_critical_reboot; 511 512 tz = thermal_zone_device_register_with_trips(np->name, trips, ntrips, 513 data, &of_ops, &tzp, 514 pdelay, delay); 515 if (IS_ERR(tz)) { 516 ret = PTR_ERR(tz); 517 pr_err("Failed to register thermal zone %pOFn: %d\n", np, ret); 518 goto out_kfree_trips; 519 } 520 521 ret = thermal_zone_device_enable(tz); 522 if (ret) { 523 pr_err("Failed to enabled thermal zone '%s', id=%d: %d\n", 524 tz->type, tz->id, ret); 525 thermal_of_zone_unregister(tz); 526 return ERR_PTR(ret); 527 } 528 529 return tz; 530 531 out_kfree_trips: 532 kfree(trips); 533 534 return ERR_PTR(ret); 535 } 536 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki