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-rw-r--r--drivers/serial/8250.c6
-rw-r--r--include/linux/serial_reg.h4
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 244e8ff1197..7aca22c9976 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2326,6 +2326,12 @@ static struct uart_driver serial8250_reg = {
.cons = SERIAL8250_CONSOLE,
};
+/*
+ * early_serial_setup - early registration for 8250 ports
+ *
+ * Setup an 8250 port structure prior to console initialisation. Use
+ * after console initialisation will cause undefined behaviour.
+ */
int __init early_serial_setup(struct uart_port *port)
{
if (port->line >= ARRAY_SIZE(serial8250_ports))
diff --git a/include/linux/serial_reg.h b/include/linux/serial_reg.h
index 6a2bb955844..3c8a6aa7741 100644
--- a/include/linux/serial_reg.h
+++ b/include/linux/serial_reg.h
@@ -247,10 +247,10 @@
#define UART_CTR 0xFF
/*
- * The 16C950 Additional Control Reigster
+ * The 16C950 Additional Control Register
*/
#define UART_ACR_RXDIS 0x01 /* Receiver disable */
-#define UART_ACR_TXDIS 0x02 /* Receiver disable */
+#define UART_ACR_TXDIS 0x02 /* Transmitter disable */
#define UART_ACR_DSRFC 0x04 /* DSR Flow Control */
#define UART_ACR_TLENB 0x20 /* 950 trigger levels enable */
#define UART_ACR_ICRRD 0x40 /* ICR Read enable */