1 files changed, 0 insertions, 3 deletions

diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index ddc97c905e14..d57a3553aea3 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -572,13 +572,10 @@ static unsigned int sunsu_tx_empty(struct uart_port *port)
 static unsigned int sunsu_get_mctrl(struct uart_port *port)
 {
         struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
-        unsigned long flags;
         unsigned char status;
         unsigned int ret;
 
-        spin_lock_irqsave(&up->port.lock, flags);
         status = serial_in(up, UART_MSR);
-        spin_unlock_irqrestore(&up->port.lock, flags);
 
         ret = 0;
         if (status & UART_MSR_DCD)