change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/block/blk-stat.c
..
..
@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0
1
2
 /*
2
3
  * Block stat tracking code
3
4
  *
..
..
@@ -52,7 +53,7 @@
52
53
 	struct request_queue *q = rq->q;
53
54
 	struct blk_stat_callback *cb;
54
55
 	struct blk_rq_stat *stat;
55
-	int bucket;
56
+	int bucket, cpu;
56
57
 	u64 value;
57
58
 
58
59
 	value = (now >= rq->io_start_time_ns) ? now - rq->io_start_time_ns : 0;
..
..
@@ -60,6 +61,7 @@
60
61
 	blk_throtl_stat_add(rq, value);
61
62
 
62
63
 	rcu_read_lock();
64
+	cpu = get_cpu();
63
65
 	list_for_each_entry_rcu(cb, &q->stats->callbacks, list) {
64
66
 		if (!blk_stat_is_active(cb))
65
67
 			continue;
..
..
@@ -68,10 +70,10 @@
68
70
 		if (bucket < 0)
69
71
 			continue;
70
72
 
71
-		stat = &get_cpu_ptr(cb->cpu_stat)[bucket];
73
+		stat = &per_cpu_ptr(cb->cpu_stat, cpu)[bucket];
72
74
 		blk_rq_stat_add(stat, value);
73
-		put_cpu_ptr(cb->cpu_stat);
74
75
 	}
76
+	put_cpu();
75
77
 	rcu_read_unlock();
76
78
 }
77
79
 
..
..
@@ -130,12 +132,12 @@
130
132
 
131
133
 	return cb;
132
134
 }
133
-EXPORT_SYMBOL_GPL(blk_stat_alloc_callback);
134
135
 
135
136
 void blk_stat_add_callback(struct request_queue *q,
136
137
 			   struct blk_stat_callback *cb)
137
138
 {
138
139
 	unsigned int bucket;
140
+	unsigned long flags;
139
141
 	int cpu;
140
142
 
141
143
 	for_each_possible_cpu(cpu) {
..
..
@@ -146,25 +148,25 @@
146
148
 			blk_rq_stat_init(&cpu_stat[bucket]);
147
149
 	}
148
150
 
149
-	spin_lock(&q->stats->lock);
151
+	spin_lock_irqsave(&q->stats->lock, flags);
150
152
 	list_add_tail_rcu(&cb->list, &q->stats->callbacks);
151
153
 	blk_queue_flag_set(QUEUE_FLAG_STATS, q);
152
-	spin_unlock(&q->stats->lock);
154
+	spin_unlock_irqrestore(&q->stats->lock, flags);
153
155
 }
154
-EXPORT_SYMBOL_GPL(blk_stat_add_callback);
155
156
 
156
157
 void blk_stat_remove_callback(struct request_queue *q,
157
158
 			      struct blk_stat_callback *cb)
158
159
 {
159
-	spin_lock(&q->stats->lock);
160
+	unsigned long flags;
161
+
162
+	spin_lock_irqsave(&q->stats->lock, flags);
160
163
 	list_del_rcu(&cb->list);
161
164
 	if (list_empty(&q->stats->callbacks) && !q->stats->enable_accounting)
162
165
 		blk_queue_flag_clear(QUEUE_FLAG_STATS, q);
163
-	spin_unlock(&q->stats->lock);
166
+	spin_unlock_irqrestore(&q->stats->lock, flags);
164
167
 
165
168
 	del_timer_sync(&cb->timer);
166
169
 }
167
-EXPORT_SYMBOL_GPL(blk_stat_remove_callback);
168
170
 
169
171
 static void blk_stat_free_callback_rcu(struct rcu_head *head)
170
172
 {
..
..
@@ -181,15 +183,17 @@
181
183
 	if (cb)
182
184
 		call_rcu(&cb->rcu, blk_stat_free_callback_rcu);
183
185
 }
184
-EXPORT_SYMBOL_GPL(blk_stat_free_callback);
185
186
 
186
187
 void blk_stat_enable_accounting(struct request_queue *q)
187
188
 {
188
-	spin_lock(&q->stats->lock);
189
+	unsigned long flags;
190
+
191
+	spin_lock_irqsave(&q->stats->lock, flags);
189
192
 	q->stats->enable_accounting = true;
190
193
 	blk_queue_flag_set(QUEUE_FLAG_STATS, q);
191
-	spin_unlock(&q->stats->lock);
194
+	spin_unlock_irqrestore(&q->stats->lock, flags);
192
195
 }
196
+EXPORT_SYMBOL_GPL(blk_stat_enable_accounting);
193
197
 
194
198
 struct blk_queue_stats *blk_alloc_queue_stats(void)
195
199
 {