From 223bc17df962aff7554e5475604e356b8e945ca6 Mon Sep 17 00:00:00 2001
From: HubretXie <xiexianbin@gmail.com>
Date: Thu, 4 Aug 2022 10:42:20 +0800
Subject: [PATCH] [serial_v2] fixed bug (#6213)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* [kernel][timer] fixed bug serial_v2 驱动问题，导致所有写入都使用阻塞方式写入
---
 components/drivers/serial/serial_v2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/drivers/serial/serial_v2.c b/components/drivers/serial/serial_v2.c
index 5925a9eb6c..d0d0f6f722 100644
--- a/components/drivers/serial/serial_v2.c
+++ b/components/drivers/serial/serial_v2.c
@@ -1389,7 +1389,7 @@ static rt_size_t rt_serial_write(struct rt_device *dev,
         return _serial_poll_tx(dev, pos, buffer, size);
     }
 
-    if (dev->open_flag | RT_SERIAL_TX_BLOCKING)
+    if (dev->open_flag & RT_SERIAL_TX_BLOCKING)
     {
         if ((tx_fifo->rb.buffer_ptr) == RT_NULL)
         {