[U-Boot] [PATCH] dm: serial: Move a carriage return before a line feed

[Alison Wang]

In general, a carriage return needs to execute before a line feed.
The patch is to change serial DM driver based on this rule.

Signed-off-by: Alison Wang <alison.wang at nxp.com>
---
 drivers/serial/serial-uclass.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/serial/serial-uclass.c b/drivers/serial/serial-uclass.c
index 1c447ff..f154eb1 100644
--- a/drivers/serial/serial-uclass.c
+++ b/drivers/serial/serial-uclass.c
@@ -123,11 +123,12 @@ static void _serial_putc(struct udevice *dev, char ch)
 	struct dm_serial_ops *ops = serial_get_ops(dev);
 	int err;
 
+	if (ch == '\n')
+		_serial_putc(dev, '\r');
+
 	do {
 		err = ops->putc(dev, ch);
 	} while (err == -EAGAIN);
-	if (ch == '\n')
-		_serial_putc(dev, '\r');
 }
 
 static void _serial_puts(struct udevice *dev, const char *str)
-- 
2.1.0.27.g96db324