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path: root/drivers/char/synclink_gt.c
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Diffstat (limited to 'drivers/char/synclink_gt.c')
-rw-r--r--drivers/char/synclink_gt.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index 5e256494686a..67986ea0d479 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -3099,13 +3099,16 @@ static int carrier_raised(struct tty_port *port)
return (info->signals & SerialSignal_DCD) ? 1 : 0;
}
-static void raise_dtr_rts(struct tty_port *port)
+static void dtr_rts(struct tty_port *port, int on)
{
unsigned long flags;
struct slgt_info *info = container_of(port, struct slgt_info, port);
spin_lock_irqsave(&info->lock,flags);
- info->signals |= SerialSignal_RTS + SerialSignal_DTR;
+ if (on)
+ info->signals |= SerialSignal_RTS + SerialSignal_DTR;
+ else
+ info->signals &= ~(SerialSignal_RTS + SerialSignal_DTR);
set_signals(info);
spin_unlock_irqrestore(&info->lock,flags);
}
@@ -3419,7 +3422,7 @@ static void add_device(struct slgt_info *info)
static const struct tty_port_operations slgt_port_ops = {
.carrier_raised = carrier_raised,
- .raise_dtr_rts = raise_dtr_rts,
+ .dtr_rts = dtr_rts,
};
/*