diff options
Diffstat (limited to 'drivers/serial/8250.c')
| -rw-r--r-- | drivers/serial/8250.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 34e75bc8f4c..b53b53bb147 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -1376,13 +1376,10 @@ static unsigned int serial8250_tx_empty(struct uart_port *port) static unsigned int serial8250_get_mctrl(struct uart_port *port) { struct uart_8250_port *up = (struct uart_8250_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) |