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Message-ID: <202411290611.AQz0KQ2z-lkp@intel.com>
Date: Fri, 29 Nov 2024 06:50:24 +0800
From: kernel test robot <lkp@...el.com>
To: Armin Wolf <W_Armin@....de>, jlee@...e.com, farhan.anwar8@...il.com,
	rayanmargham4@...il.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	hdegoede@...hat.com, ilpo.jarvinen@...ux.intel.com,
	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/5] platform/x86: acer-wmi: Implement proper hwmon
 support

Hi Armin,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.12 next-20241128]
[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/Armin-Wolf/platform-x86-acer-wmi-Add-support-for-Acer-PH14-51/20241128-225534
base:   linus/master
patch link:    https://lore.kernel.org/r/20241128145104.13538-5-W_Armin%40gmx.de
patch subject: [PATCH v2 4/5] platform/x86: acer-wmi: Implement proper hwmon support
config: i386-buildonly-randconfig-004-20241129 (https://download.01.org/0day-ci/archive/20241129/202411290611.AQz0KQ2z-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241129/202411290611.AQz0KQ2z-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/202411290611.AQz0KQ2z-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/platform/x86/acer-wmi.c:19:
   In file included from include/linux/backlight.h:13:
   In file included from include/linux/fb.h:5:
   In file included from include/uapi/linux/fb.h:6:
   In file included from include/linux/i2c.h:19:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:21:
   In file included from include/linux/mm.h:2223:
   include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     518 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
>> drivers/platform/x86/acer-wmi.c:2786:32: warning: shift count is negative [-Wshift-count-negative]
    2786 |         supported_sensors = FIELD_GET(ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK, result);
         |                             ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/platform/x86/acer-wmi.c:77:53: note: expanded from macro 'ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK'
      77 | #define ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK GENMASK(40, 24)
         |                                                     ^
   include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
      35 |         (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                                      ^
   include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
       9 |          (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
         |                   ^
   note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:542:22: note: expanded from macro 'compiletime_assert'
     542 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:530:23: note: expanded from macro '_compiletime_assert'
     530 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:522:9: note: expanded from macro '__compiletime_assert'
     522 |                 if (!(condition))                                       \
         |                       ^~~~~~~~~
>> drivers/platform/x86/acer-wmi.c:2786:32: warning: shift count is negative [-Wshift-count-negative]
    2786 |         supported_sensors = FIELD_GET(ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK, result);
         |                             ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/platform/x86/acer-wmi.c:77:53: note: expanded from macro 'ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK'
      77 | #define ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK GENMASK(40, 24)
         |                                                     ^
   include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
      35 |         (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                                      ^
   include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
       9 |          (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
         |                   ^
   note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:542:22: note: expanded from macro 'compiletime_assert'
     542 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:530:23: note: expanded from macro '_compiletime_assert'
     530 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:522:9: note: expanded from macro '__compiletime_assert'
     522 |                 if (!(condition))                                       \
         |                       ^~~~~~~~~
>> drivers/platform/x86/acer-wmi.c:2786:32: warning: shift count is negative [-Wshift-count-negative]
    2786 |         supported_sensors = FIELD_GET(ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK, result);
         |                             ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/platform/x86/acer-wmi.c:77:53: note: expanded from macro 'ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK'
      77 | #define ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK GENMASK(40, 24)
         |                                                     ^
   include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
      35 |         (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                                      ^
   include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
       9 |          (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
         |                   ^
   note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:542:22: note: expanded from macro 'compiletime_assert'
     542 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:530:23: note: expanded from macro '_compiletime_assert'
     530 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:522:9: note: expanded from macro '__compiletime_assert'
     522 |                 if (!(condition))                                       \
         |                       ^~~~~~~~~
>> drivers/platform/x86/acer-wmi.c:2786:32: warning: shift count is negative [-Wshift-count-negative]
    2786 |         supported_sensors = FIELD_GET(ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK, result);
         |                             ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/platform/x86/acer-wmi.c:77:53: note: expanded from macro 'ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK'
      77 | #define ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK GENMASK(40, 24)
         |                                                     ^
   include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
      35 |         (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                                      ^
   include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
       9 |          (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
         |                   ^
   note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:542:22: note: expanded from macro 'compiletime_assert'
     542 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:530:23: note: expanded from macro '_compiletime_assert'
     530 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:522:9: note: expanded from macro '__compiletime_assert'
     522 |                 if (!(condition))                                       \
         |                       ^~~~~~~~~
>> drivers/platform/x86/acer-wmi.c:2786:32: warning: shift count is negative [-Wshift-count-negative]
    2786 |         supported_sensors = FIELD_GET(ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK, result);
         |                             ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/platform/x86/acer-wmi.c:77:53: note: expanded from macro 'ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK'
      77 | #define ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK GENMASK(40, 24)
         |                                                     ^
   include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
      35 |         (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                                      ^
   include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
       9 |          (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
         |                   ^
   note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:542:22: note: expanded from macro 'compiletime_assert'
     542 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:530:23: note: expanded from macro '_compiletime_assert'
     530 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:522:9: note: expanded from macro '__compiletime_assert'
     522 |                 if (!(condition))                                       \
         |                       ^~~~~~~~~
>> drivers/platform/x86/acer-wmi.c:2786:32: warning: shift count is negative [-Wshift-count-negative]
    2786 |         supported_sensors = FIELD_GET(ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK, result);
         |                             ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/platform/x86/acer-wmi.c:77:53: note: expanded from macro 'ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK'
      77 | #define ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK GENMASK(40, 24)
         |                                                     ^
   include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
      35 |         (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                                      ^
   include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
       9 |          (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
         |                   ^
   note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:542:22: note: expanded from macro 'compiletime_assert'
     542 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:530:23: note: expanded from macro '_compiletime_assert'
     530 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:522:9: note: expanded from macro '__compiletime_assert'
     522 |                 if (!(condition))                                       \
         |                       ^~~~~~~~~
>> drivers/platform/x86/acer-wmi.c:2786:32: warning: shift count is negative [-Wshift-count-negative]
    2786 |         supported_sensors = FIELD_GET(ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK, result);
         |                             ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/platform/x86/acer-wmi.c:77:53: note: expanded from macro 'ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK'
      77 | #define ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK GENMASK(40, 24)
         |                                                     ^
   include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
      35 |         (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                                      ^
   include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
       9 |          (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
         |                   ^
   note: (skipping 6 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:542:22: note: expanded from macro 'compiletime_assert'
     542 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:530:23: note: expanded from macro '_compiletime_assert'
     530 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:522:9: note: expanded from macro '__compiletime_assert'
     522 |                 if (!(condition))                                       \
         |                       ^~~~~~~~~
>> drivers/platform/x86/acer-wmi.c:2786:32: warning: shift count is negative [-Wshift-count-negative]
    2786 |         supported_sensors = FIELD_GET(ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK, result);
         |                             ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/platform/x86/acer-wmi.c:77:53: note: expanded from macro 'ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK'
      77 | #define ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK GENMASK(40, 24)
         |                                                     ^
   include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
      35 |         (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                                      ^
   include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
       9 |          (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
         |                   ^
   note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:542:22: note: expanded from macro 'compiletime_assert'
     542 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:530:23: note: expanded from macro '_compiletime_assert'
     530 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:522:9: note: expanded from macro '__compiletime_assert'
     522 |                 if (!(condition))                                       \
         |                       ^~~~~~~~~
>> drivers/platform/x86/acer-wmi.c:2786:32: warning: shift count is negative [-Wshift-count-negative]
    2786 |         supported_sensors = FIELD_GET(ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK, result);
         |                             ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/platform/x86/acer-wmi.c:77:53: note: expanded from macro 'ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK'
      77 | #define ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK GENMASK(40, 24)
         |                                                     ^
   include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
      35 |         (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                                      ^
   include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
       9 |          (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
         |                   ^
   note: (skipping 6 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:542:22: note: expanded from macro 'compiletime_assert'
     542 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:530:23: note: expanded from macro '_compiletime_assert'
     530 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:522:9: note: expanded from macro '__compiletime_assert'
     522 |                 if (!(condition))                                       \
         |                       ^~~~~~~~~
>> drivers/platform/x86/acer-wmi.c:2786:32: warning: shift count is negative [-Wshift-count-negative]
    2786 |         supported_sensors = FIELD_GET(ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK, result);
         |                             ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/platform/x86/acer-wmi.c:77:53: note: expanded from macro 'ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK'
      77 | #define ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK GENMASK(40, 24)
         |                                                     ^
   include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
      35 |         (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                                      ^
   include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
       9 |          (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
         |                   ^
   include/linux/bitfield.h:156:30: note: expanded from macro 'FIELD_GET'
     156 |                 (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \
         |                                            ^~~~~
>> drivers/platform/x86/acer-wmi.c:2786:32: warning: shift count is negative [-Wshift-count-negative]
    2786 |         supported_sensors = FIELD_GET(ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK, result);
         |                             ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/platform/x86/acer-wmi.c:77:53: note: expanded from macro 'ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK'
      77 | #define ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK GENMASK(40, 24)
         |                                                     ^
   include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
      35 |         (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                                      ^
   include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
       9 |          (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
         |                   ^
   include/linux/bitfield.h:156:50: note: expanded from macro 'FIELD_GET'
     156 |                 (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \
         |                                                       ~~~~~~~~~^~~~~~
   include/linux/bitfield.h:45:38: note: expanded from macro '__bf_shf'
      45 | #define __bf_shf(x) (__builtin_ffsll(x) - 1)
         |                                      ^
   12 warnings generated.


vim +2786 drivers/platform/x86/acer-wmi.c

  2773	
  2774	static int acer_wmi_hwmon_init(void)
  2775	{
  2776		struct device *dev = &acer_platform_device->dev;
  2777		struct device *hwmon;
  2778		u64 result;
  2779		int ret;
  2780	
  2781		ret = WMID_gaming_get_sys_info(ACER_WMID_CMD_GET_PREDATOR_V4_SUPPORTED_SENSORS, &result);
  2782		if (ret < 0)
  2783			return ret;
  2784	
  2785		/* Return early if no sensors are available */
> 2786		supported_sensors = FIELD_GET(ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK, result);
  2787		if (!supported_sensors)
  2788			return 0;
  2789	
  2790		hwmon = devm_hwmon_device_register_with_info(dev, "acer",
  2791							     &supported_sensors,
  2792							     &acer_wmi_hwmon_chip_info,
  2793							     NULL);
  2794	
  2795		if (IS_ERR(hwmon)) {
  2796			dev_err(dev, "Could not register acer hwmon device\n");
  2797			return PTR_ERR(hwmon);
  2798		}
  2799	
  2800		return 0;
  2801	}
  2802	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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