Re: [PATCH] Fixed a bug related to thermal framework boundary conditions: trip points do not need to be updated when polling is active, whereas they must be update to re-enable the irq when polling is inactive

From: kernel test robot

Date: Mon Jul 27 2026 - 04:17:58 EST


Hi jipinghuang,

kernel test robot noticed the following build errors:

[auto build test ERROR on rafael-pm/thermal]
[also build test ERROR on linus/master v7.2-rc5 next-20260726]
[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/jipinghuang/Fixed-a-bug-related-to-thermal-framework-boundary-conditions-trip-points-do-not-need-to-be-updated-when-polling-is-activ/20260727-115235
base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git thermal
patch link: https://lore.kernel.org/r/20260727035037.554303-1-jipihuan%40qti.qualcomm.com
patch subject: [PATCH] Fixed a bug related to thermal framework boundary conditions: trip points do not need to be updated when polling is active, whereas they must be update to re-enable the irq when polling is inactive
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260727/202607271050.J6ZhMOwT-lkp@xxxxxxxxx/config)
compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260727/202607271050.J6ZhMOwT-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202607271050.J6ZhMOwT-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> drivers/thermal/thermal_trip.c:64:83: error: use of undeclared identifier 'trip_temp'
64 | if (tz->prev_low_trip == low && tz->prev_high_trip == high && tz->temperature >= trip_temp)
| ^~~~~~~~~
1 error generated.


vim +/trip_temp +64 drivers/thermal/thermal_trip.c

53
54 void thermal_zone_set_trips(struct thermal_zone_device *tz, int low, int high)
55 {
56 int ret;
57
58 lockdep_assert_held(&tz->lock);
59
60 if (!tz->ops.set_trips)
61 return;
62
63 /* No need to change trip points */
> 64 if (tz->prev_low_trip == low && tz->prev_high_trip == high && tz->temperature >= trip_temp)
65 return;
66
67 tz->prev_low_trip = low;
68 tz->prev_high_trip = high;
69
70 dev_dbg(&tz->device,
71 "new temperature boundaries: %d < x < %d\n", low, high);
72
73 /*
74 * Set a temperature window. When this window is left the driver
75 * must inform the thermal core via thermal_zone_device_update.
76 */
77 ret = tz->ops.set_trips(tz, low, high);
78 if (ret)
79 dev_err(&tz->device, "Failed to set trips: %d\n", ret);
80 }
81

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