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USB: pl2303: use generic close 

Use usb_serial_generic_close to kill the read and write urbs and to
reset the write fifo.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Johan Hovold 2010-03-17 23:06:04 +01:00 committed by Greg Kroah-Hartman
parent 684c6e30d3
commit 8b0127b208
1 changed files with 1 additions and 12 deletions
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13
drivers/usb/serial/pl2303.c
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@ -456,21 +456,10 @@ static void pl2303_dtr_rts(struct usb_serial_port *port, int on)
static void pl2303_close(struct usb_serial_port *port)
{
unsigned long flags;
dbg("%s - port %d", __func__, port->number);
spin_lock_irqsave(&port->lock, flags);
/* clear out any remaining data in the buffer */
kfifo_reset_out(&port->write_fifo);
spin_unlock_irqrestore(&port->lock, flags);
/* shutdown our urbs */
dbg("%s - shutting down urbs", __func__);
usb_kill_urb(port->write_urb);
usb_kill_urb(port->read_urb);
usb_serial_generic_close(port);
usb_kill_urb(port->interrupt_in_urb);
}
static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)