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USB: serial: refactor generic close

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Export usb_serial_generic_close so that drivers can easily kill the read
and write urb and make sure that the write fifo is reset.

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 23:00:45 +01:00
committed by Greg Kroah-Hartman
parent ec3ee5086c
commit f26788da3b
6 changed files with 8 additions and 21 deletions
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7
drivers/usb/serial/ark3116.c
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@@ -355,14 +355,11 @@ static void ark3116_close(struct usb_serial_port *port)
/* deactivate interrupts */
ark3116_write_reg(serial, UART_IER, 0);
/* shutdown any bulk reads that might be going on */
if (serial->num_bulk_out)
usb_kill_urb(port->write_urb);
if (serial->num_bulk_in)
usb_kill_urb(port->read_urb);
usb_serial_generic_close(port);
if (serial->num_interrupt_in)
usb_kill_urb(port->interrupt_in_urb);
}
}
static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port)