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Diffstat (limited to 'cpu/nios/serial.c')
-rw-r--r--cpu/nios/serial.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/cpu/nios/serial.c b/cpu/nios/serial.c
index 61b26ab..34257a2 100644
--- a/cpu/nios/serial.c
+++ b/cpu/nios/serial.c
@@ -23,6 +23,7 @@
#include <common.h>
+#include <watchdog.h>
#include <nios-io.h>
@@ -62,7 +63,7 @@ void serial_putc( char c )
if (c == '\n')
serial_putc('\r');
while( (uart->status & NIOS_UART_TRDY) == 0 )
- ;
+ WATCHDOG_RESET ();
uart->txdata = (unsigned char)c;
}
@@ -81,6 +82,6 @@ int serial_tstc( void )
int serial_getc( void )
{
while( serial_tstc() == 0 )
- ;
+ WATCHDOG_RESET ();
return( uart->rxdata & 0x00ff );
}