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Message-ID: <202503182046.kOuLXxTn-lkp@intel.com>
Date: Tue, 18 Mar 2025 20:36:20 +0800
From: kernel test robot <lkp@...el.com>
To: Oleksij Rempel <o.rempel@...gutronix.de>,
	Sebastian Reichel <sre@...nel.org>,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc: oe-kbuild-all@...ts.linux.dev, Oleksij Rempel <o.rempel@...gutronix.de>,
	Mark Brown <broonie@...nel.org>, kernel@...gutronix.de,
	linux-kernel@...r.kernel.org, Liam Girdwood <lgirdwood@...il.com>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Zhang Rui <rui.zhang@...el.com>, Lukasz Luba <lukasz.luba@....com>,
	linux-pm@...r.kernel.org,
	Søren Andersen <san@...v.dk>
Subject: Re: [PATCH v5 6/7] regulator: set Power State Change Reason before
 hw_protection_shutdown()

Hi Oleksij,

kernel test robot noticed the following build errors:

[auto build test ERROR on sre-power-supply/for-next]
[also build test ERROR on broonie-regulator/for-next rafael-pm/thermal linus/master v6.14-rc7]
[cannot apply to next-20250317]
[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/Oleksij-Rempel/power-Extend-power_on_reason-h-for-upcoming-PSCRR-framework/20250310-184319
base:   https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git for-next
patch link:    https://lore.kernel.org/r/20250310103732.423542-7-o.rempel%40pengutronix.de
patch subject: [PATCH v5 6/7] regulator: set Power State Change Reason before hw_protection_shutdown()
config: m68k-randconfig-r073-20250314 (https://download.01.org/0day-ci/archive/20250318/202503182046.kOuLXxTn-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250318/202503182046.kOuLXxTn-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/202503182046.kOuLXxTn-lkp@intel.com/

All errors (new ones prefixed by >>):

   m68k-linux-ld: drivers/regulator/core.o: in function `regulator_handle_critical':
>> drivers/regulator/core.c:5270:(.text+0x20c6): undefined reference to `set_power_state_change_reason'


vim +5270 drivers/regulator/core.c

  5234	
  5235	/**
  5236	 * regulator_handle_critical - Handle events for system-critical regulators.
  5237	 * @rdev: The regulator device.
  5238	 * @event: The event being handled.
  5239	 *
  5240	 * This function handles critical events such as under-voltage, over-current,
  5241	 * and unknown errors for regulators deemed system-critical. On detecting such
  5242	 * events, it triggers a hardware protection shutdown with a defined timeout.
  5243	 */
  5244	static void regulator_handle_critical(struct regulator_dev *rdev,
  5245					      unsigned long event)
  5246	{
  5247		enum pscr_reason pscr;
  5248		const char *reason = NULL;
  5249	
  5250		if (!rdev->constraints->system_critical)
  5251			return;
  5252	
  5253		switch (event) {
  5254		case REGULATOR_EVENT_UNDER_VOLTAGE:
  5255			reason = "System critical regulator: voltage drop detected";
  5256			pscr = PSCR_UNDER_VOLTAGE;
  5257			break;
  5258		case REGULATOR_EVENT_OVER_CURRENT:
  5259			reason = "System critical regulator: over-current detected";
  5260			pscr = PSCR_OVER_CURRENT;
  5261			break;
  5262		case REGULATOR_EVENT_FAIL:
  5263			reason = "System critical regulator: unknown error";
  5264			pscr = PSCR_REGULATOR_FAILURE;
  5265		}
  5266	
  5267		if (!reason)
  5268			return;
  5269	
> 5270		set_power_state_change_reason(pscr);
  5271		hw_protection_shutdown(reason,
  5272				       rdev->constraints->uv_less_critical_window_ms);
  5273	}
  5274	

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

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