Re: [PATCH v14.b 7/7] ACPI: x86: s2idle: Add a function to get constraints for a device

From: kernel test robot
Date: Fri Aug 25 2023 - 01:29:42 EST


Hi Mario,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.5-rc7]
[cannot apply to next-20230824]
[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/Mario-Limonciello/ACPI-Adjust-ifdef-for-_lps0_dev-use/20230821-113922
base: linus/master
patch link: https://lore.kernel.org/r/20230818194007.27410-8-mario.limonciello%40amd.com
patch subject: [PATCH v14.b 7/7] ACPI: x86: s2idle: Add a function to get constraints for a device
config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20230825/202308251347.C2sdb28f-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230825/202308251347.C2sdb28f-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/202308251347.C2sdb28f-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/acpi/x86/s2idle.c:311: warning: Function parameter or member 'adev' not described in 'acpi_get_lps0_constraint'
>> drivers/acpi/x86/s2idle.c:311: warning: Excess function parameter 'dev' description in 'acpi_get_lps0_constraint'


vim +311 drivers/acpi/x86/s2idle.c

301
302 /**
303 * acpi_get_lps0_constraint - get the LPS0 constraint for a device
304 * @dev: device to get constraints for
305 *
306 * Returns:
307 * - ACPI state value for constraint.
308 * - Otherwise, ACPI_STATE_UNKNOWN.
309 */
310 int acpi_get_lps0_constraint(struct acpi_device *adev)
> 311 {
312 struct lpi_constraints *entry;
313
314 for_each_lpi_constraint(entry) {
315 if (adev->handle != entry->handle)
316 continue;
317 return entry->min_dstate;
318 }
319
320 return ACPI_STATE_UNKNOWN;
321 }
322

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