[hid:for-6.6/nvidia 2/3] drivers/hid/hid-nvidia-shield.c:121:1: sparse: sparse: static assertion failed: "sizeof(enum thunderstrike_charger_type) == 1"

[hid:for-6.6/nvidia 2/3] drivers/hid/hid-nvidia-shield.c:121:1: sparse: sparse: static assertion failed: "sizeof(enum thunderstrike_charger_type) == 1"

[kernel test robot]

:::::: 
:::::: Manual check reason: "low confidence static check warning: drivers/hid/hid-nvidia-shield.c:121:1: sparse: sparse: static assertion failed: "sizeof(enum thunderstrike_charger_type) == 1""
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-input@vger.kernel.org
TO: Rahul Rameshbabu <rrameshbabu@nvidia.com>
CC: Jiri Kosina <jkosina@suse.cz>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-6.6/nvidia
head:   77fe1fed4741b14ccf5abf19dc794cc5928c1ac8
commit: 3ab196f882377ed5c2a946cf9f7ede8be4727f44 [2/3] HID: nvidia-shield: Add battery support for Thunderstrike
:::::: branch date: 25 hours ago
:::::: commit date: 25 hours ago
config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20230815/202308151816.bcZbOG9c-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230815/202308151816.bcZbOG9c-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@intel.com>
| Closes: https://lore.kernel.org/r/202308151816.bcZbOG9c-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   drivers/hid/hid-nvidia-shield.c:104:1: sparse: sparse: static assertion failed: "sizeof(enum thunderstrike_led_state) == 1"
>> drivers/hid/hid-nvidia-shield.c:121:1: sparse: sparse: static assertion failed: "sizeof(enum thunderstrike_charger_type) == 1"
>> drivers/hid/hid-nvidia-shield.c:130:1: sparse: sparse: static assertion failed: "sizeof(enum thunderstrike_charger_state) == 1"
   drivers/hid/hid-nvidia-shield.c:183:1: sparse: sparse: static assertion failed: "sizeof(struct thunderstrike_hostcmd_req_report) == THUNDERSTRIKE_HOSTCMD_REPORT_SIZE"

vim +121 drivers/hid/hid-nvidia-shield.c

09308562d4afb1 Rahul Rameshbabu 2023-06-08   99  
f88af60e74a5b3 Rahul Rameshbabu 2023-05-29  100  enum thunderstrike_led_state {
f88af60e74a5b3 Rahul Rameshbabu 2023-05-29  101  	THUNDERSTRIKE_LED_OFF = 1,
f88af60e74a5b3 Rahul Rameshbabu 2023-05-29  102  	THUNDERSTRIKE_LED_ON = 8,
f88af60e74a5b3 Rahul Rameshbabu 2023-05-29  103  } __packed;
f88af60e74a5b3 Rahul Rameshbabu 2023-05-29 @104  static_assert(sizeof(enum thunderstrike_led_state) == 1);
f88af60e74a5b3 Rahul Rameshbabu 2023-05-29  105  
3ab196f882377e Rahul Rameshbabu 2023-08-07  106  struct thunderstrike_hostcmd_battery {
3ab196f882377e Rahul Rameshbabu 2023-08-07  107  	__le16 voltage_avg;
3ab196f882377e Rahul Rameshbabu 2023-08-07  108  	u8 reserved_at_10;
3ab196f882377e Rahul Rameshbabu 2023-08-07  109  	__le16 thermistor;
3ab196f882377e Rahul Rameshbabu 2023-08-07  110  	__le16 voltage_min;
3ab196f882377e Rahul Rameshbabu 2023-08-07  111  	__le16 voltage_boot;
3ab196f882377e Rahul Rameshbabu 2023-08-07  112  	__le16 voltage_now;
3ab196f882377e Rahul Rameshbabu 2023-08-07  113  	u8 capacity;
3ab196f882377e Rahul Rameshbabu 2023-08-07  114  } __packed;
3ab196f882377e Rahul Rameshbabu 2023-08-07  115  
3ab196f882377e Rahul Rameshbabu 2023-08-07  116  enum thunderstrike_charger_type {
3ab196f882377e Rahul Rameshbabu 2023-08-07  117  	THUNDERSTRIKE_CHARGER_TYPE_NONE = 0,
3ab196f882377e Rahul Rameshbabu 2023-08-07  118  	THUNDERSTRIKE_CHARGER_TYPE_TRICKLE,
3ab196f882377e Rahul Rameshbabu 2023-08-07  119  	THUNDERSTRIKE_CHARGER_TYPE_NORMAL,
3ab196f882377e Rahul Rameshbabu 2023-08-07  120  } __packed;
3ab196f882377e Rahul Rameshbabu 2023-08-07 @121  static_assert(sizeof(enum thunderstrike_charger_type) == 1);
3ab196f882377e Rahul Rameshbabu 2023-08-07  122  
3ab196f882377e Rahul Rameshbabu 2023-08-07  123  enum thunderstrike_charger_state {
3ab196f882377e Rahul Rameshbabu 2023-08-07  124  	THUNDERSTRIKE_CHARGER_STATE_UNKNOWN = 0,
3ab196f882377e Rahul Rameshbabu 2023-08-07  125  	THUNDERSTRIKE_CHARGER_STATE_DISABLED,
3ab196f882377e Rahul Rameshbabu 2023-08-07  126  	THUNDERSTRIKE_CHARGER_STATE_CHARGING,
3ab196f882377e Rahul Rameshbabu 2023-08-07  127  	THUNDERSTRIKE_CHARGER_STATE_FULL,
3ab196f882377e Rahul Rameshbabu 2023-08-07  128  	THUNDERSTRIKE_CHARGER_STATE_FAILED = 8,
3ab196f882377e Rahul Rameshbabu 2023-08-07  129  } __packed;
3ab196f882377e Rahul Rameshbabu 2023-08-07 @130  static_assert(sizeof(enum thunderstrike_charger_state) == 1);
3ab196f882377e Rahul Rameshbabu 2023-08-07  131  

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