From e3e12f52b214121840b44c91de5b3e5af5d3eb84 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 06 Nov 2023 03:04:41 +0000
Subject: [PATCH] rk3568 rt init
---
kernel/kernel/sched/swait.c | 22 +++++++++++++++++++++-
1 files changed, 21 insertions(+), 1 deletions(-)
diff --git a/kernel/kernel/sched/swait.c b/kernel/kernel/sched/swait.c
index 66b59ac..119a56d 100644
--- a/kernel/kernel/sched/swait.c
+++ b/kernel/kernel/sched/swait.c
@@ -32,6 +32,25 @@
}
EXPORT_SYMBOL(swake_up_locked);
+void swake_up_all_locked(struct swait_queue_head *q)
+{
+ struct swait_queue *curr;
+ int wakes = 0;
+
+ while (!list_empty(&q->task_list)) {
+
+ curr = list_first_entry(&q->task_list, typeof(*curr),
+ task_list);
+ wake_up_process(curr->task);
+ list_del_init(&curr->task_list);
+ wakes++;
+ }
+ if (pm_in_action)
+ return;
+ WARN(wakes > 2, "complete_all() with %d waiters\n", wakes);
+}
+EXPORT_SYMBOL(swake_up_all_locked);
+
void swake_up_one(struct swait_queue_head *q)
{
unsigned long flags;
@@ -51,6 +70,7 @@
struct swait_queue *curr;
LIST_HEAD(tmp);
+ WARN_ON(irqs_disabled());
raw_spin_lock_irq(&q->lock);
list_splice_init(&q->task_list, &tmp);
while (!list_empty(&tmp)) {
@@ -69,7 +89,7 @@
}
EXPORT_SYMBOL(swake_up_all);
-static void __prepare_to_swait(struct swait_queue_head *q, struct swait_queue *wait)
+void __prepare_to_swait(struct swait_queue_head *q, struct swait_queue *wait)
{
wait->task = current;
if (list_empty(&wait->task_list))
--
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