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Message-ID: <202508062201.bWDZGD03-lkp@intel.com>
Date: Wed, 6 Aug 2025 23:12:01 +0800
From: kernel test robot <lkp@...el.com>
To: "a.shimko" <artyom.shimko@...il.com>, linux-hwmon@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, "a.shimko" <artyom.shimko@...il.com>,
linux-kernel@...r.kernel.org, sudeep.holla@....com,
cristian.marussi@....com, jdelvare@...e.com,
guenter.roeck@...ux.com
Subject: Re: [PATCH 1/3] hwmon: scmi: Add default case with debug output
Hi a.shimko,
kernel test robot noticed the following build errors:
[auto build test ERROR on groeck-staging/hwmon-next]
[also build test ERROR on linus/master v6.16 next-20250806]
[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/a-shimko/hwmon-scmi-Add-default-case-with-debug-output/20250806-122638
base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next
patch link: https://lore.kernel.org/r/20250805125003.12573-2-artyom.shimko%40gmail.com
patch subject: [PATCH 1/3] hwmon: scmi: Add default case with debug output
config: arc-randconfig-001-20250806 (https://download.01.org/0day-ci/archive/20250806/202508062201.bWDZGD03-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 12.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250806/202508062201.bWDZGD03-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202508062201.bWDZGD03-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/hwmon/scmi-hwmon.c: In function 'scmi_hwmon_probe':
>> drivers/hwmon/scmi-hwmon.c:278:17: error: 'default' label not within a switch statement
278 | default:
| ^~~~~~~
vim +/default +278 drivers/hwmon/scmi-hwmon.c
228
229 static int scmi_hwmon_probe(struct scmi_device *sdev)
230 {
231 int i, idx;
232 u16 nr_sensors;
233 enum hwmon_sensor_types type;
234 struct scmi_sensors *scmi_sensors;
235 const struct scmi_sensor_info *sensor;
236 int nr_count[hwmon_max] = {0}, nr_types = 0, nr_count_temp = 0;
237 const struct hwmon_chip_info *chip_info;
238 struct device *hwdev, *dev = &sdev->dev;
239 struct hwmon_channel_info *scmi_hwmon_chan;
240 const struct hwmon_channel_info **ptr_scmi_ci;
241 const struct scmi_handle *handle = sdev->handle;
242 struct scmi_protocol_handle *ph;
243
244 if (!handle)
245 return -ENODEV;
246
247 sensor_ops = handle->devm_protocol_get(sdev, SCMI_PROTOCOL_SENSOR, &ph);
248 if (IS_ERR(sensor_ops))
249 return PTR_ERR(sensor_ops);
250
251 nr_sensors = sensor_ops->count_get(ph);
252 if (!nr_sensors)
253 return -EIO;
254
255 scmi_sensors = devm_kzalloc(dev, sizeof(*scmi_sensors), GFP_KERNEL);
256 if (!scmi_sensors)
257 return -ENOMEM;
258
259 scmi_sensors->ph = ph;
260
261 for (i = 0; i < nr_sensors; i++) {
262 sensor = sensor_ops->info_get(ph, i);
263 if (!sensor)
264 return -EINVAL;
265
266 switch (sensor->type) {
267 case TEMPERATURE_C:
268 case VOLTAGE:
269 case CURRENT:
270 case POWER:
271 case ENERGY:
272 type = scmi_types[sensor->type];
273 if (!nr_count[type])
274 nr_types++;
275 nr_count[type]++;
276 break;
277 }
> 278 default:
279 dev_dbg(dev, "Skipping unsupported sensor ID:%d Type:%d (%s)\n",
280 i, sensor->type, sensor->name ? sensor->name : "unnamed");
281 continue;
282 }
283
284 if (nr_count[hwmon_temp])
285 nr_count_temp = nr_count[hwmon_temp];
286
287 scmi_hwmon_chan = devm_kcalloc(dev, nr_types, sizeof(*scmi_hwmon_chan),
288 GFP_KERNEL);
289 if (!scmi_hwmon_chan)
290 return -ENOMEM;
291
292 ptr_scmi_ci = devm_kcalloc(dev, nr_types + 1, sizeof(*ptr_scmi_ci),
293 GFP_KERNEL);
294 if (!ptr_scmi_ci)
295 return -ENOMEM;
296
297 scmi_chip_info.info = ptr_scmi_ci;
298 chip_info = &scmi_chip_info;
299
300 for (type = 0; type < hwmon_max; type++) {
301 if (!nr_count[type])
302 continue;
303
304 scmi_hwmon_add_chan_info(scmi_hwmon_chan, dev, nr_count[type],
305 type, hwmon_attributes[type]);
306 *ptr_scmi_ci++ = scmi_hwmon_chan++;
307
308 scmi_sensors->info[type] =
309 devm_kcalloc(dev, nr_count[type],
310 sizeof(*scmi_sensors->info), GFP_KERNEL);
311 if (!scmi_sensors->info[type])
312 return -ENOMEM;
313 }
314
315 for (i = nr_sensors - 1; i >= 0 ; i--) {
316 sensor = sensor_ops->info_get(ph, i);
317 if (!sensor)
318 continue;
319
320 switch (sensor->type) {
321 case TEMPERATURE_C:
322 case VOLTAGE:
323 case CURRENT:
324 case POWER:
325 case ENERGY:
326 type = scmi_types[sensor->type];
327 idx = --nr_count[type];
328 *(scmi_sensors->info[type] + idx) = sensor;
329 break;
330 default:
331 dev_dbg(dev, "Skipping unsupported sensor ID:%d Type:%d (%s)\n",
332 i, sensor->type, sensor->name ? sensor->name : "unnamed");
333 continue;
334 }
335 }
336
337 hwdev = devm_hwmon_device_register_with_info(dev, "scmi_sensors",
338 scmi_sensors, chip_info,
339 NULL);
340 if (IS_ERR(hwdev))
341 return PTR_ERR(hwdev);
342
343 for (i = 0; i < nr_count_temp; i++) {
344 int ret;
345
346 sensor = *(scmi_sensors->info[hwmon_temp] + i);
347 if (!sensor)
348 continue;
349
350 /*
351 * Warn on any misconfiguration related to thermal zones but
352 * bail out of probing only on memory errors.
353 */
354 ret = scmi_thermal_sensor_register(dev, ph, sensor);
355 if (ret) {
356 if (ret == -ENOMEM)
357 return ret;
358 dev_warn(dev,
359 "Thermal zone misconfigured for %s. err=%d\n",
360 sensor->name, ret);
361 }
362 }
363
364 return 0;
365 }
366
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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