Merge pull request #2224 from chenyingchun0312/master

Update serial.c

Merge pull request #2224 from chenyingchun0312/master
Update serial.c
d189b686 · Bernard Xiong · GitHub · 3fb926e0 · e45d7da5 · d189b686
隐藏空白更改
内联并排

Showing with 0 addition and 2 deletion

components/drivers/serial/serial.c components/drivers/serial/serial.c +0 -2

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--- a/components/drivers/serial/serial.c
+++ b/components/drivers/serial/serial.c
@@ -566,13 +566,11 @@ static rt_err_t rt_serial_open(struct rt_device *dev, rt_uint16_t oflag)

    LOG_D("open serial device: 0x%08x with open flag: 0x%04x",
        dev, oflag);
-#ifdef RT_SERIAL_USING_DMA
    /* check device flag with the open flag */
    if ((oflag & RT_DEVICE_FLAG_DMA_RX) && !(dev->flag & RT_DEVICE_FLAG_DMA_RX))
        return -RT_EIO;
    if ((oflag & RT_DEVICE_FLAG_DMA_TX) && !(dev->flag & RT_DEVICE_FLAG_DMA_TX))
        return -RT_EIO;
-#endif /* RT_SERIAL_USING_DMA */
    if ((oflag & RT_DEVICE_FLAG_INT_RX) && !(dev->flag & RT_DEVICE_FLAG_INT_RX))
        return -RT_EIO;
    if ((oflag & RT_DEVICE_FLAG_INT_TX) && !(dev->flag & RT_DEVICE_FLAG_INT_TX))