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path: root/drivers/usb/serial/whiteheat.c
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Diffstat (limited to 'drivers/usb/serial/whiteheat.c')
-rw-r--r--drivers/usb/serial/whiteheat.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 62424eec33e..1093d2eb046 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -949,13 +949,12 @@ static void whiteheat_throttle(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
struct whiteheat_private *info = usb_get_serial_port_data(port);
- unsigned long flags;
dbg("%s - port %d", __func__, port->number);
- spin_lock_irqsave(&info->lock, flags);
+ spin_lock_irq(&info->lock);
info->flags |= THROTTLED;
- spin_unlock_irqrestore(&info->lock, flags);
+ spin_unlock_irq(&info->lock);
return;
}
@@ -966,14 +965,13 @@ static void whiteheat_unthrottle(struct tty_struct *tty)
struct usb_serial_port *port = tty->driver_data;
struct whiteheat_private *info = usb_get_serial_port_data(port);
int actually_throttled;
- unsigned long flags;
dbg("%s - port %d", __func__, port->number);
- spin_lock_irqsave(&info->lock, flags);
+ spin_lock_irq(&info->lock);
actually_throttled = info->flags & ACTUALLY_THROTTLED;
info->flags &= ~(THROTTLED | ACTUALLY_THROTTLED);
- spin_unlock_irqrestore(&info->lock, flags);
+ spin_unlock_irq(&info->lock);
if (actually_throttled)
rx_data_softint(&info->rx_work);