summaryrefslogtreecommitdiff
path: root/drivers/serial
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/ns16550.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index 93c2243..1b347e9 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -39,6 +39,7 @@ void NS16550_init (NS16550_t com_port, int baud_divisor)
#endif
}
+#ifndef CONFIG_NS16550_MIN_FUNCTIONS
void NS16550_reinit (NS16550_t com_port, int baud_divisor)
{
com_port->ier = 0x00;
@@ -53,6 +54,7 @@ void NS16550_reinit (NS16550_t com_port, int baud_divisor)
com_port->dlm = (baud_divisor >> 8) & 0xff;
com_port->lcr = LCRVAL;
}
+#endif /* CONFIG_NS16550_MIN_FUNCTIONS */
void NS16550_putc (NS16550_t com_port, char c)
{
@@ -60,6 +62,7 @@ void NS16550_putc (NS16550_t com_port, char c)
com_port->thr = c;
}
+#ifndef CONFIG_NS16550_MIN_FUNCTIONS
char NS16550_getc (NS16550_t com_port)
{
while ((com_port->lsr & LSR_DR) == 0) {
@@ -76,4 +79,5 @@ int NS16550_tstc (NS16550_t com_port)
return ((com_port->lsr & LSR_DR) != 0);
}
+#endif /* CONFIG_NS16550_MIN_FUNCTIONS */
#endif