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Thermal: core: Ask .get_trip_temp() to register thermal zone device.

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This patch adds a requirement needing .get_trip_temp() callback
function for registering thermal zone device. This function is
used when thermal zone is updated and essential where thermal core
handles thermal trip based only polling way not hw interrupt.

Signed-off-by: Jonghwa Lee <[email protected]>
Signed-off-by: MyungJoo Ham <[email protected]>
Acked-by: Durgadoss R <[email protected]>
Signed-off-by: Zhang Rui <[email protected]>
This commit is contained in:
Jonghwa Lee 2013-05-18 09:50:26 +00:00 • committed by Zhang Rui
commit 83720d0b79
1 changed files with 1 additions and 1 deletions
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2
drivers/thermal/thermal_core.c
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@ -1628,7 +1628,7 @@ struct thermal_zone_device *thermal_zone_device_register(const char *type,
if (!ops || !ops->get_temp)
return ERR_PTR(-EINVAL);
if (trips > 0 && !ops->get_trip_type)
if (trips > 0 && (!ops->get_trip_type || !ops->get_trip_temp))
return ERR_PTR(-EINVAL);
tz = kzalloc(sizeof(struct thermal_zone_device), GFP_KERNEL);