From 85e5f5b7a7f8d889271f94791606cde62d81d53f Mon Sep 17 00:00:00 2001
From: kunhuahuang <huangkunhua@gmail.com>
Date: Tue, 28 Apr 2015 02:25:45 +0800
Subject: [PATCH] stm32f4: fix serial output
This patch fix the serial output.
The source is from Kamil Lulko's "stm32f429-discovery board support"
Thanks, Varcain. I learned a lot.
Signed-off-by: kunhuahuang <huangkunhua@gmail.com>
---
drivers/serial/serial_stm32.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/serial/serial_stm32.c b/drivers/serial/serial_stm32.c
index 3c800961d1..8c613db95d 100644
--- a/drivers/serial/serial_stm32.c
+++ b/drivers/serial/serial_stm32.c
@@ -81,6 +81,10 @@ static int stm32_serial_getc(void)
static void stm32_serial_putc(const char c)
{
struct stm32_serial *usart = (struct stm32_serial *)USART_BASE;
+
+ if (c == '\n')
+ stm32_serial_putc('\r');
+
while ((readl(&usart->sr) & USART_SR_FLAG_TXE) == 0)
;
writel(c, &usart->dr);
--
2.39.5