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hwmon fixes for v5.17-rc6

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Fix two old bugs and one new bug in hwmon subsystem.
 
 - In pmbus core, clear pmbus fault/warning status bits after read
   to follow PMBus standard
 - In hwmon core, handle failure to register sensor with thermal
   zone correctly
 - In ntc_thermal driver, use valid thermistor names for Samsung
   thermistors
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Merge tag 'hwmon-for-v5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:
 "Fix two old bugs and one new bug in the hwmon subsystem:

   - In pmbus core, clear pmbus fault/warning status bits after read to
     follow PMBus standard

   - In hwmon core, handle failure to register sensor with thermal zone
     correctly

   - In ntc_thermal driver, use valid thermistor names for Samsung
     thermistors"

* tag 'hwmon-for-v5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (pmbus) Clear pmbus fault/warning bits after read
  hwmon: Handle failure to register sensor with thermal zone correctly
  hwmon: (ntc_thermistor) Underscore Samsung thermistor
This commit is contained in:
Linus Torvalds 2022-02-23 11:51:35 -08:00
commit 6f5738db96
3 changed files with 14 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/hwmon/hwmon.c
View File

@ -214,12 +214,14 @@ static int hwmon_thermal_add_sensor(struct device *dev, int index)
tzd = devm_thermal_zone_of_sensor_register(dev, index, tdata,
&hwmon_thermal_ops);
/*
* If CONFIG_THERMAL_OF is disabled, this returns -ENODEV,
* so ignore that error but forward any other error.
*/
if (IS_ERR(tzd) && (PTR_ERR(tzd) != -ENODEV))
return PTR_ERR(tzd);
if (IS_ERR(tzd)) {
if (PTR_ERR(tzd) != -ENODEV)
return PTR_ERR(tzd);
dev_info(dev, "temp%d_input not attached to any thermal zone\n",
index + 1);
devm_kfree(dev, tdata);
return 0;
}
err = devm_add_action(dev, hwmon_thermal_remove_sensor, &tdata->node);
if (err)

2
drivers/hwmon/ntc_thermistor.c
View File

@ -59,7 +59,7 @@ static const struct platform_device_id ntc_thermistor_id[] = {
[NTC_NCP15XH103] = { "ncp15xh103", TYPE_NCPXXXH103 },
[NTC_NCP18WB473] = { "ncp18wb473", TYPE_NCPXXWB473 },
[NTC_NCP21WB473] = { "ncp21wb473", TYPE_NCPXXWB473 },
[NTC_SSG1404001221] = { "ssg1404-001221", TYPE_NCPXXWB473 },
[NTC_SSG1404001221] = { "ssg1404_001221", TYPE_NCPXXWB473 },
[NTC_LAST] = { },
};

5
drivers/hwmon/pmbus/pmbus_core.c
View File

@ -911,6 +911,11 @@ static int pmbus_get_boolean(struct i2c_client *client, struct pmbus_boolean *b,
pmbus_update_sensor_data(client, s2);
regval = status & mask;
if (regval) {
ret = pmbus_write_byte_data(client, page, reg, regval);
if (ret)
goto unlock;
}
if (s1 && s2) {
s64 v1, v2;