[groeck-staging:hwmon 7/14] drivers/hwmon/hwmon.c:789:19: error: implicit declaration of function 'is_hwmon_device'; did you mean 'to_hwmon_device'?

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon
head:   ece58c6620869b5d7f0e1305370df473367c085d
commit: b6868a406c5b0bde10303f596fa95010ad68a456 [7/14] hwmon: Ensure that 'dev' passed to hwmon_notify_event() is a hwmon device
config: alpha-defconfig (https://download.01.org/0day-ci/archive/20260822/202608221934.fUKdfrxV-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260822/202608221934.fUKdfrxV-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608221934.fUKdfrxV-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from arch/alpha/include/asm/bug.h:23,
                    from include/linux/bug.h:5,
                    from include/linux/thread_info.h:13,
                    from include/asm-generic/current.h:6,
                    from ./arch/alpha/include/generated/asm/current.h:1,
                    from include/linux/sched.h:12,
                    from include/linux/ratelimit.h:6,
                    from include/linux/dev_printk.h:16,
                    from include/linux/device.h:15,
                    from drivers/hwmon/hwmon.c:13:
   drivers/hwmon/hwmon.c: In function 'hwmon_notify_event':
>> drivers/hwmon/hwmon.c:789:19: error: implicit declaration of function 'is_hwmon_device'; did you mean 'to_hwmon_device'? [-Wimplicit-function-declaration]
     789 |         if (WARN(!is_hwmon_device(dev), "%s is not a hardware monitoring device\n",
         |                   ^~~~~~~~~~~~~~~
   include/asm-generic/bug.h:164:32: note: in definition of macro 'WARN'
     164 |         int __ret_warn_on = !!(condition);                              \
         |                                ^~~~~~~~~


vim +789 drivers/hwmon/hwmon.c

   778	
   779	int hwmon_notify_event(struct device *dev, enum hwmon_sensor_types type,
   780			       u32 attr, int channel)
   781	{
   782		char event[MAX_SYSFS_ATTR_NAME_LENGTH + 5];
   783		char sattr[MAX_SYSFS_ATTR_NAME_LENGTH];
   784		char *envp[] = { event, NULL };
   785		const char * const *templates;
   786		const char *template;
   787		int base;
   788	
 > 789		if (WARN(!is_hwmon_device(dev), "%s is not a hardware monitoring device\n",
   790			 dev_name(dev)))
   791			return -EINVAL;
   792		if (type >= ARRAY_SIZE(__templates))
   793			return -EINVAL;
   794		if (attr >= __templates_size[type])
   795			return -EINVAL;
   796	
   797		templates = __templates[type];
   798		template = templates[attr];
   799	
   800		base = hwmon_attr_base(type);
   801	
   802		scnprintf(sattr, MAX_SYSFS_ATTR_NAME_LENGTH, template, base + channel);
   803		scnprintf(event, sizeof(event), "NAME=%s", sattr);
   804		sysfs_notify(&dev->kobj, NULL, sattr);
   805		kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp);
   806	
   807		if (type == hwmon_temp)
   808			hwmon_thermal_notify(dev, channel);
   809	
   810		return 0;
   811	}
   812	EXPORT_SYMBOL_GPL(hwmon_notify_event);
   813	

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