浏览代码

spi: Move queue data structure initialisation to main master init

Since most devices now do use the standard queue and in order to avoid
initialisation ordering issues being introduced by further refactorings
to improve performance move the initialisation of the queue and the lock
for it to the main master allocation.

Signed-off-by: Mark Brown <broonie@kernel.org>
Mark Brown 11 年之前
父节点
当前提交
5424d43e4d
共有 1 个文件被更改,包括 2 次插入3 次删除
  1. 2 3
      drivers/spi/spi.c

+ 2 - 3
drivers/spi/spi.c

@@ -989,9 +989,6 @@ static int spi_init_queue(struct spi_master *master)
 {
 	struct sched_param param = { .sched_priority = MAX_RT_PRIO - 1 };
 
-	INIT_LIST_HEAD(&master->queue);
-	spin_lock_init(&master->queue_lock);
-
 	master->running = false;
 	master->busy = false;
 
@@ -1595,6 +1592,8 @@ int spi_register_master(struct spi_master *master)
 		dynamic = 1;
 	}
 
+	INIT_LIST_HEAD(&master->queue);
+	spin_lock_init(&master->queue_lock);
 	spin_lock_init(&master->bus_lock_spinlock);
 	mutex_init(&master->bus_lock_mutex);
 	master->bus_lock_flag = 0;