Re: [PATCH v3] backlight: pwm_bl: Disable PWM on shutdown and suspend

[kernel test robot <lkp@intel.com>]

Hi Uwe,

kernel test robot noticed the following build errors:

[auto build test ERROR on 8fff9184d1b5810dca5dd1a02726d4f844af88fc]

url:    https://github.com/intel-lab-lkp/linux/commits/Uwe-Kleine-K-nig/backlight-pwm_bl-Disable-PWM-on-shutdown-and-suspend/20230926-230323
base:   8fff9184d1b5810dca5dd1a02726d4f844af88fc
patch link:    https://lore.kernel.org/r/20230926150116.2124384-1-u.kleine-koenig%40pengutronix.de
patch subject: [PATCH v3] backlight: pwm_bl: Disable PWM on shutdown and suspend
config: mips-allmodconfig (https://download.01.org/0day-ci/archive/20230930/202309301206.OT7dbPq7-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230930/202309301206.OT7dbPq7-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/oe-kbuild-all/202309301206.OT7dbPq7-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/video/backlight/pwm_bl.c: In function 'pwm_backlight_remove':
>> drivers/video/backlight/pwm_bl.c:632:33: error: 'state' undeclared (first use in this function); did you mean 'statx'?
     632 |         pwm_get_state(pb->pwm, &state);
         |                                 ^~~~~
         |                                 statx
   drivers/video/backlight/pwm_bl.c:632:33: note: each undeclared identifier is reported only once for each function it appears in


vim +632 drivers/video/backlight/pwm_bl.c

   624	
   625	static void pwm_backlight_remove(struct platform_device *pdev)
   626	{
   627		struct backlight_device *bl = platform_get_drvdata(pdev);
   628		struct pwm_bl_data *pb = bl_get_data(bl);
   629	
   630		backlight_device_unregister(bl);
   631		pwm_backlight_power_off(pb);
 > 632		pwm_get_state(pb->pwm, &state);
   633		state.duty_cycle = 0;
   634		state.enabled = false;
   635		pwm_apply_state(pb->pwm, &state);
   636	
   637		if (pb->exit)
   638			pb->exit(&pdev->dev);
   639	}
   640	

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