3 files changed, 5 insertions, 3 deletions

diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index 1a9a24b82636..00d1255e4c12 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -167,8 +167,9 @@ static void pl010_rx_chars(struct uart_amba_port *uap)
         ignore_char:
                 status = readb(uap->port.membase + UART01x_FR);
         }
+        spin_unlock(&port->lock);
         tty_flip_buffer_push(tty);
-        return;
+        spin_lock(&port->lock);
 }
 
 static void pl010_tx_chars(struct uart_amba_port *uap)
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index 44639e71372a..954073c6ce3a 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -153,8 +153,9 @@ static void pl011_rx_chars(struct uart_amba_port *uap)
         ignore_char:
                 status = readw(uap->port.membase + UART01x_FR);
         }
+        spin_unlock(&uap->port.lock);
         tty_flip_buffer_push(tty);
-        return;
+        spin_lock(&uap->port.lock);
 }
 
 static void pl011_tx_chars(struct uart_amba_port *uap)
diff --git a/drivers/serial/serial_ks8695.c b/drivers/serial/serial_ks8695.c
index 698763b28ddd..8721afe1ae4f 100644
--- a/drivers/serial/serial_ks8695.c
+++ b/drivers/serial/serial_ks8695.c
@@ -589,7 +589,7 @@ static int __init ks8695_console_setup(struct console *co, char *options)
         return uart_set_options(port, co, baud, parity, bits, flow);
 }
 
-extern struct uart_driver ks8695_reg;
+static struct uart_driver ks8695_reg;
 
 static struct console ks8695_console = {
         .name           = SERIAL_KS8695_DEVNAME,