1 files changed, 0 insertions, 3 deletions

diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 308704566948..4e453fa966ae 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -299,13 +299,10 @@ static void sunsu_start_tx(struct uart_port *port)
 static void sunsu_stop_rx(struct uart_port *port)
 {
         struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
-        unsigned long flags;
 
-        spin_lock_irqsave(&up->port.lock, flags);
         up->ier &= ~UART_IER_RLSI;
         up->port.read_status_mask &= ~UART_LSR_DR;
         serial_out(up, UART_IER, up->ier);
-        spin_unlock_irqrestore(&up->port.lock, flags);
 }
 
 static void sunsu_enable_ms(struct uart_port *port)