diff options
Diffstat (limited to 'drivers/serial/sunsu.c')
| -rw-r--r-- | drivers/serial/sunsu.c | 3 |
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) | |||
| 572 | static unsigned int sunsu_get_mctrl(struct uart_port *port) | 572 | static unsigned int sunsu_get_mctrl(struct uart_port *port) |
| 573 | { | 573 | { |
| 574 | struct uart_sunsu_port *up = (struct uart_sunsu_port *) port; | 574 | struct uart_sunsu_port *up = (struct uart_sunsu_port *) port; |
| 575 | unsigned long flags; | ||
| 576 | unsigned char status; | 575 | unsigned char status; |
| 577 | unsigned int ret; | 576 | unsigned int ret; |
| 578 | 577 | ||
| 579 | spin_lock_irqsave(&up->port.lock, flags); | ||
| 580 | status = serial_in(up, UART_MSR); | 578 | status = serial_in(up, UART_MSR); |
| 581 | spin_unlock_irqrestore(&up->port.lock, flags); | ||
| 582 | 579 | ||
| 583 | ret = 0; | 580 | ret = 0; |
| 584 | if (status & UART_MSR_DCD) | 581 | if (status & UART_MSR_DCD) |
