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yaml
---
r: 334547
b: refs/heads/master
c: bf90ff5
h: refs/heads/master
i:
  334545: dac9341
  334543: 24ee09b
v: v3
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Johan Hovold authored and Greg Kroah-Hartman committed Oct 17, 2012
1 parent 8cb92fd commit 834bc98
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Showing 2 changed files with 19 additions and 29 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 638b9e15233c9570bce65301aa9877235316b9f0
refs/heads/master: bf90ff5f3b8f67e5b42df4ea4fd543f8010a2676
46 changes: 18 additions & 28 deletions trunk/drivers/usb/serial/spcp8x5.c
Original file line number Diff line number Diff line change
Expand Up @@ -157,13 +157,10 @@ struct spcp8x5_private {
u8 line_status;
};

/* desc : when device plug in,this function would be called.
* thanks to usb_serial subsystem,then do almost every things for us. And what
* we should do just alloc the buffer */
static int spcp8x5_startup(struct usb_serial *serial)
static int spcp8x5_port_probe(struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
struct spcp8x5_private *priv;
int i;
enum spcp8x5_type type = SPCP825_007_TYPE;
u16 product = le16_to_cpu(serial->dev->descriptor.idProduct);

Expand All @@ -180,34 +177,27 @@ static int spcp8x5_startup(struct usb_serial *serial)
type = SPCP825_PHILIP_TYPE;
dev_dbg(&serial->dev->dev, "device type = %d\n", (int)type);

for (i = 0; i < serial->num_ports; ++i) {
priv = kzalloc(sizeof(struct spcp8x5_private), GFP_KERNEL);
if (!priv)
goto cleanup;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;

spin_lock_init(&priv->lock);
init_waitqueue_head(&priv->delta_msr_wait);
priv->type = type;
usb_set_serial_port_data(serial->port[i] , priv);
}
spin_lock_init(&priv->lock);
init_waitqueue_head(&priv->delta_msr_wait);
priv->type = type;

usb_set_serial_port_data(port , priv);

return 0;
cleanup:
for (--i; i >= 0; --i) {
priv = usb_get_serial_port_data(serial->port[i]);
kfree(priv);
usb_set_serial_port_data(serial->port[i] , NULL);
}
return -ENOMEM;
}

/* call when the device plug out. free all the memory alloced by probe */
static void spcp8x5_release(struct usb_serial *serial)
static int spcp8x5_port_remove(struct usb_serial_port *port)
{
int i;
struct spcp8x5_private *priv;

for (i = 0; i < serial->num_ports; i++)
kfree(usb_get_serial_port_data(serial->port[i]));
priv = usb_get_serial_port_data(port);
kfree(priv);

return 0;
}

/* set the modem control line of the device.
Expand Down Expand Up @@ -649,8 +639,8 @@ static struct usb_serial_driver spcp8x5_device = {
.ioctl = spcp8x5_ioctl,
.tiocmget = spcp8x5_tiocmget,
.tiocmset = spcp8x5_tiocmset,
.attach = spcp8x5_startup,
.release = spcp8x5_release,
.port_probe = spcp8x5_port_probe,
.port_remove = spcp8x5_port_remove,
.process_read_urb = spcp8x5_process_read_urb,
};

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