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thermal_hwmon: Pass the originating device down to hwmon_device_register_with_info 

When registering the hwmon device, we pass NULL as the device.
While this doesn't result in any immediate breakage, it leaves
the hwmon device at the root of the virtual devices, rather than
attached to the thermal zone hierarchy.

Instead, let's pass the actual device, which is part of the
thermal_zone_device structure. This also avoids the rather
unpleasant ""NULL device *" which can be generated by dev_{err,info}
in the hwmon subsystem.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Marc Zyngier 2018-07-10 16:40:35 +01:00 committed by Eduardo Valentin
parent 409ef0baca
commit f6b6b52ef7
1 changed files with 1 additions and 1 deletions
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2
drivers/thermal/thermal_hwmon.c
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@ -143,7 +143,7 @@ int thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
INIT_LIST_HEAD(&hwmon->tz_list);
strlcpy(hwmon->type, tz->type, THERMAL_NAME_LENGTH);
strreplace(hwmon->type, '-', '_');
hwmon->device = hwmon_device_register_with_info(NULL, hwmon->type,
hwmon->device = hwmon_device_register_with_info(&tz->device, hwmon->type,
hwmon, NULL, NULL);
if (IS_ERR(hwmon->device)) {
result = PTR_ERR(hwmon->device);