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USB: io_ti: move write-fifo flushing to close

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Move write-fifo flushing from chase_port to close where it belongs.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2013-01-14 16:52:54 +01:00 committed by Greg Kroah-Hartman
parent cbf50a4125
commit 77de2518e8
1 changed files with 7 additions and 7 deletions
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14
drivers/usb/serial/io_ti.c
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@ -521,8 +521,7 @@ exit_is_tx_active:
return bytes_left;
}
static void chase_port(struct edgeport_port *port, unsigned long timeout,
int flush)
static void chase_port(struct edgeport_port *port, unsigned long timeout)
{
int baud_rate;
struct tty_struct *tty = tty_port_tty_get(&port->port->port);
@ -550,8 +549,6 @@ static void chase_port(struct edgeport_port *port, unsigned long timeout,
}
set_current_state(TASK_RUNNING);
remove_wait_queue(&tty->write_wait, &wait);
if (flush)
kfifo_reset_out(&port->write_fifo);
spin_unlock_irqrestore(&port->ep_lock, flags);
tty_kref_put(tty);
@ -1956,6 +1953,7 @@ static void edge_close(struct usb_serial_port *port)
struct edgeport_serial *edge_serial;
struct edgeport_port *edge_port;
struct usb_serial *serial = port->serial;
unsigned long flags;
int port_number;
edge_serial = usb_get_serial_data(port->serial);
@ -1967,12 +1965,14 @@ static void edge_close(struct usb_serial_port *port)
* this flag and dump add read data */
edge_port->close_pending = 1;
/* chase the port close and flush */
chase_port(edge_port, (HZ * closing_wait) / 100, 1);
chase_port(edge_port, (HZ * closing_wait) / 100);
usb_kill_urb(port->read_urb);
usb_kill_urb(port->write_urb);
edge_port->ep_write_urb_in_use = 0;
spin_lock_irqsave(&edge_port->ep_lock, flags);
kfifo_reset_out(&edge_port->write_fifo);
spin_unlock_irqrestore(&edge_port->ep_lock, flags);
/* assuming we can still talk to the device,
* send a close port command to it */
@ -2515,7 +2515,7 @@ static void edge_break(struct tty_struct *tty, int break_state)
int bv = 0; /* Off */
/* chase the port close */
chase_port(edge_port, 0, 0);
chase_port(edge_port, 0);
if (break_state == -1)
bv = 1; /* On */