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Date: Thu, 4 Jan 2024 02:24:52 +0800
From: kernel test robot <lkp@...el.com>
To: Huacai Chen <chenhuacai@...ngson.cn>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: kernel/power/autosleep.c:46:13: sparse: sparse: restricted
suspend_state_t degrades to integer
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 610a9b8f49fbcf1100716370d3b5f6f884a2835a
commit: 366bb35a8e48198cefcd3484ac6b2374d1347873 LoongArch: Add suspend (ACPI S3) support
date: 1 year, 1 month ago
config: loongarch-randconfig-r035-20230529 (https://download.01.org/0day-ci/archive/20240104/202401040029.M1sKZhsV-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20240104/202401040029.M1sKZhsV-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/202401040029.M1sKZhsV-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> kernel/power/autosleep.c:46:13: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/autosleep.c:46:32: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/autosleep.c:71:13: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/autosleep.c:71:31: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/autosleep.c:94:13: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/autosleep.c:94:22: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/autosleep.c:106:13: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/autosleep.c:106:21: sparse: sparse: restricted suspend_state_t degrades to integer
--
>> kernel/power/suspend.c:92:54: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int val @@ got restricted suspend_state_t [usertype] @@
kernel/power/suspend.c:92:54: sparse: expected int val
kernel/power/suspend.c:92:54: sparse: got restricted suspend_state_t [usertype]
kernel/power/suspend.c:117:54: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int val @@ got restricted suspend_state_t [usertype] @@
kernel/power/suspend.c:117:54: sparse: expected int val
kernel/power/suspend.c:117:54: sparse: got restricted suspend_state_t [usertype]
>> kernel/power/suspend.c:178:19: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:178:47: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:179:19: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:179:51: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:184:26: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:184:65: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:191:42: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:191:51: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:192:38: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:193:51: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:191:72: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:215:34: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:215:73: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:216:27: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:216:59: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:221:34: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:221:69: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:222:21: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:222:42: sparse: sparse: restricted suspend_state_t degrades to integer
>> kernel/power/suspend.c:445:33: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int val @@ got restricted suspend_state_t [usertype] state @@
kernel/power/suspend.c:445:33: sparse: expected int val
kernel/power/suspend.c:445:33: sparse: got restricted suspend_state_t [usertype] state
kernel/power/suspend.c:448:33: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int val @@ got restricted suspend_state_t [usertype] state @@
kernel/power/suspend.c:448:33: sparse: expected int val
kernel/power/suspend.c:448:33: sparse: got restricted suspend_state_t [usertype] state
kernel/power/suspend.c:518:53: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int val @@ got restricted suspend_state_t [usertype] state @@
kernel/power/suspend.c:518:53: sparse: expected int val
kernel/power/suspend.c:518:53: sparse: got restricted suspend_state_t [usertype] state
kernel/power/suspend.c:520:53: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int val @@ got restricted suspend_state_t [usertype] state @@
kernel/power/suspend.c:520:53: sparse: expected int val
kernel/power/suspend.c:520:53: sparse: got restricted suspend_state_t [usertype] state
kernel/power/suspend.c:557:52: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int val @@ got restricted suspend_state_t [usertype] state @@
kernel/power/suspend.c:557:52: sparse: expected int val
kernel/power/suspend.c:557:52: sparse: got restricted suspend_state_t [usertype] state
kernel/power/suspend.c:580:9: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:589:52: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int val @@ got restricted suspend_state_t [usertype] state @@
kernel/power/suspend.c:589:52: sparse: expected int val
kernel/power/suspend.c:589:52: sparse: got restricted suspend_state_t [usertype] state
kernel/power/suspend.c:590:9: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:615:13: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:615:22: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:615:39: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:615:48: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:618:9: sparse: sparse: restricted suspend_state_t degrades to integer
vim +46 kernel/power/autosleep.c
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 26
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 27 static void try_to_suspend(struct work_struct *work)
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 28 {
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 29 unsigned int initial_count, final_count;
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 30
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 31 if (!pm_get_wakeup_count(&initial_count, true))
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 32 goto out;
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 33
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 34 mutex_lock(&autosleep_lock);
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 35
e5248a111bf404 Liu ShuoX 2013-07-11 36 if (!pm_save_wakeup_count(initial_count) ||
e5248a111bf404 Liu ShuoX 2013-07-11 37 system_state != SYSTEM_RUNNING) {
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 38 mutex_unlock(&autosleep_lock);
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 39 goto out;
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 40 }
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 41
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 42 if (autosleep_state == PM_SUSPEND_ON) {
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 43 mutex_unlock(&autosleep_lock);
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 44 return;
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 45 }
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 @46 if (autosleep_state >= PM_SUSPEND_MAX)
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 47 hibernate();
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 48 else
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 49 pm_suspend(autosleep_state);
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 50
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 51 mutex_unlock(&autosleep_lock);
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 52
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 53 if (!pm_get_wakeup_count(&final_count, false))
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 54 goto out;
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 55
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 56 /*
e4b2897ae1a81c Lu Jialin 2021-04-08 57 * If the wakeup occurred for an unknown reason, wait to prevent the
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 58 * system from trying to suspend and waking up in a tight loop.
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 59 */
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 60 if (final_count == initial_count)
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 61 schedule_timeout_uninterruptible(HZ / 2);
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 62
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 63 out:
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 64 queue_up_suspend_work();
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 65 }
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 66
:::::: The code at line 46 was first introduced by commit
:::::: 7483b4a4d9abf9dcf1ffe6e805ead2847ec3264e PM / Sleep: Implement opportunistic sleep, v2
:::::: TO: Rafael J. Wysocki <rjw@...k.pl>
:::::: CC: Rafael J. Wysocki <rjw@...k.pl>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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