serial: make local functions static
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>
diff --git a/common/stdio.c b/common/stdio.c
index 8232815..68c595d 100644
--- a/common/stdio.c
+++ b/common/stdio.c
@@ -39,39 +39,39 @@
#endif
#ifdef CONFIG_SYS_DEVICE_NULLDEV
-void nulldev_putc(struct stdio_dev *dev, const char c)
+static void nulldev_putc(struct stdio_dev *dev, const char c)
{
/* nulldev is empty! */
}
-void nulldev_puts(struct stdio_dev *dev, const char *s)
+static void nulldev_puts(struct stdio_dev *dev, const char *s)
{
/* nulldev is empty! */
}
-int nulldev_input(struct stdio_dev *dev)
+static int nulldev_input(struct stdio_dev *dev)
{
/* nulldev is empty! */
return 0;
}
#endif
-void stdio_serial_putc(struct stdio_dev *dev, const char c)
+static void stdio_serial_putc(struct stdio_dev *dev, const char c)
{
serial_putc(c);
}
-void stdio_serial_puts(struct stdio_dev *dev, const char *s)
+static void stdio_serial_puts(struct stdio_dev *dev, const char *s)
{
serial_puts(s);
}
-int stdio_serial_getc(struct stdio_dev *dev)
+static int stdio_serial_getc(struct stdio_dev *dev)
{
return serial_getc();
}
-int stdio_serial_tstc(struct stdio_dev *dev)
+static int stdio_serial_tstc(struct stdio_dev *dev)
{
return serial_tstc();
}