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Message-ID: <202310212220.81UIgoDf-lkp@intel.com>
Date: Sat, 21 Oct 2023 22:15:04 +0800
From: kernel test robot <lkp@...el.com>
To: "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: drivers/acpi/sleep.c:1208: warning: Function parameter or member
'stage' not described in 'acpi_hibernation_begin_old'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9c5d00cb7b6bbc5a7965d9ab7d223b5402d1f02c
commit: bb1869012d7b78d1474808cb4c8bd8b272645876 ACPI: PM: Call pm_set_suspend_via_firmware() during hibernation
date: 4 years, 5 months ago
config: x86_64-alldefconfig (https://download.01.org/0day-ci/archive/20231021/202310212220.81UIgoDf-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231021/202310212220.81UIgoDf-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/202310212220.81UIgoDf-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/acpi/sleep.c:516: warning: Function parameter or member 'acpi_state' not described in 'acpi_pm_start'
drivers/acpi/sleep.c:555: warning: Function parameter or member 'pm_state' not described in 'acpi_suspend_begin'
drivers/acpi/sleep.c:682: warning: Function parameter or member 'pm_state' not described in 'acpi_suspend_begin_old'
>> drivers/acpi/sleep.c:1208: warning: Function parameter or member 'stage' not described in 'acpi_hibernation_begin_old'
vim +1208 drivers/acpi/sleep.c
caea99ef339af8e drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-01-08 1200
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 1201 /**
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 1202 * acpi_hibernation_begin_old - Set the target system sleep state to
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 1203 * ACPI_STATE_S4 and execute the _PTS control method. This
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 1204 * function is used if the pre-ACPI 2.0 suspend ordering has been
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 1205 * requested.
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 1206 */
bb1869012d7b78d drivers/acpi/sleep.c Rafael J. Wysocki 2019-05-16 1207 static int acpi_hibernation_begin_old(pm_message_t stage)
a634cc10164d1c2 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-19 @1208 {
e49f711cc8f3bf8 drivers/acpi/sleep/main.c Zhao Yakui 2008-08-12 1209 int error;
e49f711cc8f3bf8 drivers/acpi/sleep/main.c Zhao Yakui 2008-08-12 1210 /*
e49f711cc8f3bf8 drivers/acpi/sleep/main.c Zhao Yakui 2008-08-12 1211 * The _TTS object should always be evaluated before the _PTS object.
e49f711cc8f3bf8 drivers/acpi/sleep/main.c Zhao Yakui 2008-08-12 1212 * When the old_suspended_ordering is true, the _PTS object is
e49f711cc8f3bf8 drivers/acpi/sleep/main.c Zhao Yakui 2008-08-12 1213 * evaluated in the acpi_sleep_prepare.
e49f711cc8f3bf8 drivers/acpi/sleep/main.c Zhao Yakui 2008-08-12 1214 */
e49f711cc8f3bf8 drivers/acpi/sleep/main.c Zhao Yakui 2008-08-12 1215 acpi_sleep_tts_switch(ACPI_STATE_S4);
e49f711cc8f3bf8 drivers/acpi/sleep/main.c Zhao Yakui 2008-08-12 1216
e49f711cc8f3bf8 drivers/acpi/sleep/main.c Zhao Yakui 2008-08-12 1217 error = acpi_sleep_prepare(ACPI_STATE_S4);
bb1869012d7b78d drivers/acpi/sleep.c Rafael J. Wysocki 2019-05-16 1218 if (error)
bb1869012d7b78d drivers/acpi/sleep.c Rafael J. Wysocki 2019-05-16 1219 return error;
a634cc10164d1c2 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-19 1220
bb1869012d7b78d drivers/acpi/sleep.c Rafael J. Wysocki 2019-05-16 1221 if (!nvs_nosave) {
dd4c4f17d722ffe drivers/acpi/sleep.c Matthew Garrett 2010-05-28 1222 error = suspend_nvs_alloc();
bb1869012d7b78d drivers/acpi/sleep.c Rafael J. Wysocki 2019-05-16 1223 if (error)
bb1869012d7b78d drivers/acpi/sleep.c Rafael J. Wysocki 2019-05-16 1224 return error;
bb1869012d7b78d drivers/acpi/sleep.c Rafael J. Wysocki 2019-05-16 1225 }
bb1869012d7b78d drivers/acpi/sleep.c Rafael J. Wysocki 2019-05-16 1226
bb1869012d7b78d drivers/acpi/sleep.c Rafael J. Wysocki 2019-05-16 1227 if (stage.event == PM_EVENT_HIBERNATE)
bb1869012d7b78d drivers/acpi/sleep.c Rafael J. Wysocki 2019-05-16 1228 pm_set_suspend_via_firmware();
bb1869012d7b78d drivers/acpi/sleep.c Rafael J. Wysocki 2019-05-16 1229
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 1230 acpi_target_sleep_state = ACPI_STATE_S4;
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 1231 acpi_scan_lock_acquire();
bb1869012d7b78d drivers/acpi/sleep.c Rafael J. Wysocki 2019-05-16 1232 return 0;
3f4b0ef7f2899c9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-10-26 1233 }
3f4b0ef7f2899c9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-10-26 1234
:::::: The code at line 1208 was first introduced by commit
:::::: a634cc10164d1c229fbeca33923e6a0ed939e894 swsusp: introduce restore platform operations
:::::: TO: Rafael J. Wysocki <rjw@...k.pl>
:::::: CC: Linus Torvalds <torvalds@...dy.linux-foundation.org>
--
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https://github.com/intel/lkp-tests/wiki
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