firmware/br-ext-chip-allwinner/board/v83x/kernel/patches/00000-kernel_power_process....

74 lines
2.2 KiB
Diff

diff -drupN a/kernel/power/process.c b/kernel/power/process.c
--- a/kernel/power/process.c 2018-08-06 17:23:04.000000000 +0300
+++ b/kernel/power/process.c 2022-06-12 05:28:14.000000000 +0300
@@ -19,6 +19,7 @@
#include <linux/kmod.h>
#include <trace/events/power.h>
#include <linux/cpuset.h>
+#include <linux/wakeup_reason.h>
/*
* Timeout for stopping processes
@@ -35,6 +36,9 @@ static int try_to_freeze_tasks(bool user
unsigned int elapsed_msecs;
bool wakeup = false;
int sleep_usecs = USEC_PER_MSEC;
+#ifdef CONFIG_PM_SLEEP
+ char suspend_abort[MAX_SUSPEND_ABORT_LEN];
+#endif
start = ktime_get_boottime();
@@ -64,6 +68,11 @@ static int try_to_freeze_tasks(bool user
break;
if (pm_wakeup_pending()) {
+#ifdef CONFIG_PM_SLEEP
+ pm_get_active_wakeup_sources(suspend_abort,
+ MAX_SUSPEND_ABORT_LEN);
+ log_suspend_abort_reason(suspend_abort);
+#endif
wakeup = true;
break;
}
@@ -82,26 +91,27 @@ static int try_to_freeze_tasks(bool user
elapsed = ktime_sub(end, start);
elapsed_msecs = ktime_to_ms(elapsed);
- if (todo) {
+ if (wakeup) {
pr_cont("\n");
- pr_err("Freezing of tasks %s after %d.%03d seconds "
- "(%d tasks refusing to freeze, wq_busy=%d):\n",
- wakeup ? "aborted" : "failed",
+ pr_err("Freezing of tasks aborted after %d.%03d seconds",
+ elapsed_msecs / 1000, elapsed_msecs % 1000);
+ } else if (todo) {
+ pr_cont("\n");
+ pr_err("Freezing of tasks failed after %d.%03d seconds"
+ " (%d tasks refusing to freeze, wq_busy=%d):\n",
elapsed_msecs / 1000, elapsed_msecs % 1000,
todo - wq_busy, wq_busy);
if (wq_busy)
show_workqueue_state();
- if (!wakeup) {
- read_lock(&tasklist_lock);
- for_each_process_thread(g, p) {
- if (p != current && !freezer_should_skip(p)
- && freezing(p) && !frozen(p))
- sched_show_task(p);
- }
- read_unlock(&tasklist_lock);
+ read_lock(&tasklist_lock);
+ for_each_process_thread(g, p) {
+ if (p != current && !freezer_should_skip(p)
+ && freezing(p) && !frozen(p))
+ sched_show_task(p);
}
+ read_unlock(&tasklist_lock);
} else {
pr_cont("(elapsed %d.%03d seconds) ", elapsed_msecs / 1000,
elapsed_msecs % 1000);