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authorAlan Cox <alan@redhat.com>2009-01-02 13:45:19 +0000
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-02 10:19:38 -0800
commit5d951fb458f847e5485b5251597fbf326000bb3b (patch)
treef668a015282f657f258995a1e5a85e145ca8251a /drivers/char/synclink_gt.c
parentd0c9873addc1f18e7becb50094dad07df8cc4694 (diff)
tty: Pull the dtr raise into tty port
This moves another per device special out of what should be shared open wait paths into private methods Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/synclink_gt.c')
-rw-r--r--drivers/char/synclink_gt.c21
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index 39ccaba8ca3..625c9bde3be 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -3143,6 +3143,18 @@ static int carrier_raised(struct tty_port *port)
return (info->signals & SerialSignal_DCD) ? 1 : 0;
}
+static void raise_dtr_rts(struct tty_port *port)
+{
+ 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;
+ set_signals(info);
+ spin_unlock_irqrestore(&info->lock,flags);
+}
+
+
/*
* block current process until the device is ready to open
*/
@@ -3187,12 +3199,8 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
port->blocked_open++;
while (1) {
- if ((tty->termios->c_cflag & CBAUD)) {
- spin_lock_irqsave(&info->lock,flags);
- info->signals |= SerialSignal_RTS + SerialSignal_DTR;
- set_signals(info);
- spin_unlock_irqrestore(&info->lock,flags);
- }
+ if ((tty->termios->c_cflag & CBAUD))
+ tty_port_raise_dtr_rts(port);
set_current_state(TASK_INTERRUPTIBLE);
@@ -3455,6 +3463,7 @@ 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,
};
/*