diff options
| author | Johan Hovold <jhovold@gmail.com> | 2012-11-18 16:23:34 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-22 01:33:55 +0400 |
| commit | 5ad473492ada0ab05bcf15791b7a41c587d831c7 (patch) | |
| tree | 784d331a54c4133177725a7580ea96a3e47d01a8 /drivers/usb | |
| parent | 333396fc703860e19eadcdc67def9caa4f3154f4 (diff) | |
| download | linux-5ad473492ada0ab05bcf15791b7a41c587d831c7.tar.xz | |
USB: opticon: use usb-serial bulk-in urb
Use the bulk-in urb provided by usb-serial core rather than allocating a
private one.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/serial/opticon.c | 31 |
1 files changed, 2 insertions, 29 deletions
diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c index 543d8c79b026..36fdab7b016f 100644 --- a/drivers/usb/serial/opticon.c +++ b/drivers/usb/serial/opticon.c @@ -40,10 +40,7 @@ MODULE_DEVICE_TABLE(usb, id_table); /* This structure holds all of the individual device information */ struct opticon_private { - unsigned char *bulk_in_buffer; struct urb *bulk_read_urb; - int buffer_size; - u8 bulk_address; spinlock_t lock; /* protects the following flags */ bool throttled; bool actually_throttled; @@ -478,49 +475,24 @@ static int opticon_startup(struct usb_serial *serial) static int opticon_port_probe(struct usb_serial_port *port) { - struct usb_serial *serial = port->serial; struct opticon_private *priv; - int retval = -ENOMEM; priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; spin_lock_init(&priv->lock); - - priv->bulk_read_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!priv->bulk_read_urb) - goto error; - - priv->buffer_size = port->bulk_in_size; - priv->bulk_in_buffer = kmalloc(priv->buffer_size, GFP_KERNEL); - if (!priv->bulk_in_buffer) - goto error; - - priv->bulk_address = port->bulk_in_endpointAddress; - - usb_fill_bulk_urb(priv->bulk_read_urb, serial->dev, - usb_rcvbulkpipe(serial->dev, - priv->bulk_address), - priv->bulk_in_buffer, priv->buffer_size, - opticon_read_bulk_callback, port); + priv->bulk_read_urb = port->read_urbs[0]; usb_set_serial_port_data(port, priv); return 0; -error: - usb_free_urb(priv->bulk_read_urb); - kfree(priv->bulk_in_buffer); - kfree(priv); - return retval; } static int opticon_port_remove(struct usb_serial_port *port) { struct opticon_private *priv = usb_get_serial_port_data(port); - usb_free_urb(priv->bulk_read_urb); - kfree(priv->bulk_in_buffer); kfree(priv); return 0; @@ -574,6 +546,7 @@ static struct usb_serial_driver opticon_device = { .tiocmset = opticon_tiocmset, .suspend = opticon_suspend, .resume = opticon_resume, + .read_bulk_callback = opticon_read_bulk_callback, }; static struct usb_serial_driver * const serial_drivers[] = { |