Re: [PATCH v5 6/7] regulator: set Power State Change Reason before hw_protection_shutdown()

From: kernel test robot
Date: Tue Mar 18 2025 - 08:41:08 EST


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@xxxxxxxxx/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@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/202503182046.kOuLXxTn-lkp@xxxxxxxxx/

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

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