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path: root/drivers/char/synclinkmp.c
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Diffstat (limited to 'drivers/char/synclinkmp.c')
-rw-r--r--drivers/char/synclinkmp.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c
index 26de60efe4b..6f727e3c53a 100644
--- a/drivers/char/synclinkmp.c
+++ b/drivers/char/synclinkmp.c
@@ -3277,13 +3277,16 @@ static int carrier_raised(struct tty_port *port)
return (info->serial_signals & SerialSignal_DCD) ? 1 : 0;
}
-static void raise_dtr_rts(struct tty_port *port)
+static void dtr_rts(struct tty_port *port, int on)
{
SLMP_INFO *info = container_of(port, SLMP_INFO, port);
unsigned long flags;
spin_lock_irqsave(&info->lock,flags);
- info->serial_signals |= SerialSignal_RTS + SerialSignal_DTR;
+ if (on)
+ info->serial_signals |= SerialSignal_RTS + SerialSignal_DTR;
+ else
+ info->serial_signals &= ~(SerialSignal_RTS + SerialSignal_DTR);
set_signals(info);
spin_unlock_irqrestore(&info->lock,flags);
}
@@ -3746,7 +3749,7 @@ static void add_device(SLMP_INFO *info)
static const struct tty_port_operations port_ops = {
.carrier_raised = carrier_raised,
- .raise_dtr_rts = raise_dtr_rts,
+ .dtr_rts = dtr_rts,
};
/* Allocate and initialize a device instance structure