diff options
Diffstat (limited to 'drivers/usb/serial/mos7840.c')
| -rw-r--r-- | drivers/usb/serial/mos7840.c | 42 |
1 files changed, 37 insertions, 5 deletions
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 5fe9fe3df772..c40f95c1951c 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -2633,16 +2633,16 @@ error: } /**************************************************************************** - * mos7840_shutdown + * mos7840_disconnect * This function is called whenever the device is removed from the usb bus. ****************************************************************************/ -static void mos7840_shutdown(struct usb_serial *serial) +static void mos7840_disconnect(struct usb_serial *serial) { int i; unsigned long flags; struct moschip_port *mos7840_port; - dbg("%s", " shutdown :entering.........."); + dbg("%s", " disconnect :entering.........."); if (!serial) { dbg("%s", "Invalid Handler"); @@ -2662,11 +2662,42 @@ static void mos7840_shutdown(struct usb_serial *serial) mos7840_port->zombie = 1; spin_unlock_irqrestore(&mos7840_port->pool_lock, flags); usb_kill_urb(mos7840_port->control_urb); + } + } + + dbg("%s", "Thank u :: "); + +} + +/**************************************************************************** + * mos7840_release + * This function is called when the usb_serial structure is freed. + ****************************************************************************/ + +static void mos7840_release(struct usb_serial *serial) +{ + int i; + struct moschip_port *mos7840_port; + dbg("%s", " release :entering.........."); + + if (!serial) { + dbg("%s", "Invalid Handler"); + return; + } + + /* check for the ports to be closed,close the ports and disconnect */ + + /* free private structure allocated for serial port * + * stop reads and writes on all ports */ + + for (i = 0; i < serial->num_ports; ++i) { + mos7840_port = mos7840_get_port_private(serial->port[i]); + dbg("mos7840_port %d = %p", i, mos7840_port); + if (mos7840_port) { kfree(mos7840_port->ctrl_buf); kfree(mos7840_port->dr); kfree(mos7840_port); } - mos7840_set_port_private(serial->port[i], NULL); } dbg("%s", "Thank u :: "); @@ -2707,7 +2738,8 @@ static struct usb_serial_driver moschip7840_4port_device = { .tiocmget = mos7840_tiocmget, .tiocmset = mos7840_tiocmset, .attach = mos7840_startup, - .shutdown = mos7840_shutdown, + .disconnect = mos7840_disconnect, + .release = mos7840_release, .read_bulk_callback = mos7840_bulk_in_callback, .read_int_callback = mos7840_interrupt_callback, }; |