diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c
index 88d065718e9905f20f4c97a58f5618ba46c01f29..22126d4077c0c32ffbadb9ba7ba512e31da81e27 100644
--- a/drivers/net/can/spi/mcp251x.c
+++ b/drivers/net/can/spi/mcp251x.c
@@ -1223,16 +1223,36 @@ static int mcp251x_open(struct net_device *net)
 	priv->tx_skb = NULL;
 	priv->tx_len = 0;
 
-	if (!dev_fwnode(&spi->dev))
-		flags = IRQF_TRIGGER_FALLING;
+    if (!dev_fwnode(&spi->dev))
+        flags = IRQF_TRIGGER_FALLING;
 
-	ret = request_threaded_irq(spi->irq, NULL, mcp251x_can_ist,
-				   flags | IRQF_ONESHOT, dev_name(&spi->dev),
-				   priv);
-	if (ret) {
-		dev_err(&spi->dev, "failed to acquire irq %d\n", spi->irq);
-		goto out_close;
-	}
+    ret = mcp251x_hw_wake(spi);
+    if (ret)
+        goto out_free_irq;
+
+    ret = mcp251x_setup(net, spi);
+    if (ret)
+        goto out_free_irq;
+
+    ret = mcp251x_set_normal_mode(spi);
+    if (ret)
+        goto out_free_irq;
+
+    can_led_event(net, CAN_LED_EVENT_OPEN);
+
+    netif_wake_queue(net);
+
+    // 在此处释放锁
+    mutex_unlock(&priv->mcp_lock);
+
+    // 请求中断
+    ret = request_threaded_irq(spi->irq, NULL, mcp251x_can_ist,
+                flags | IRQF_ONESHOT, dev_name(&spi->dev),
+                priv);
+    if (ret) {
+        dev_err(&spi->dev, "failed to acquire irq %d\n", spi->irq);
+        goto out_close;
+    }
 
 	ret = mcp251x_hw_wake(spi);
 	if (ret)