rk3568 rt init

hc

2023-11-06 e3e12f52b214121840b44c91de5b3e5af5d3eb84

 kernel/kernel/sched/swait.c
..
..
@@ -32,6 +32,25 @@
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 }
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 EXPORT_SYMBOL(swake_up_locked);
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+void swake_up_all_locked(struct swait_queue_head *q)
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+{
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+	struct swait_queue *curr;
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+	int wakes = 0;
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+
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+	while (!list_empty(&q->task_list)) {
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+
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+		curr = list_first_entry(&q->task_list, typeof(*curr),
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+					task_list);
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+		wake_up_process(curr->task);
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+		list_del_init(&curr->task_list);
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+		wakes++;
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+	}
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+	if (pm_in_action)
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+		return;
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+	WARN(wakes > 2, "complete_all() with %d waiters\n", wakes);
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+}
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+EXPORT_SYMBOL(swake_up_all_locked);
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+
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 void swake_up_one(struct swait_queue_head *q)
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 {
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 	unsigned long flags;
..
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@@ -51,6 +70,7 @@
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 	struct swait_queue *curr;
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 	LIST_HEAD(tmp);
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+	WARN_ON(irqs_disabled());
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 	raw_spin_lock_irq(&q->lock);
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 	list_splice_init(&q->task_list, &tmp);
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 	while (!list_empty(&tmp)) {
..
..
@@ -69,7 +89,7 @@
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 }
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 EXPORT_SYMBOL(swake_up_all);
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-static void __prepare_to_swait(struct swait_queue_head *q, struct swait_queue *wait)
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+void __prepare_to_swait(struct swait_queue_head *q, struct swait_queue *wait)
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 {
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 	wait->task = current;
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 	if (list_empty(&wait->task_list))