1 files changed, 8 insertions, 6 deletions

diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 5e3ac281a2f8..83d0e21145b0 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -430,13 +430,14 @@ struct digi_port {
         int dp_in_close;                        /* close in progress */
         wait_queue_head_t dp_close_wait;        /* wait queue for close */
         struct work_struct dp_wakeup_work;
+        struct usb_serial_port *dp_port;
 };
 
 
 /* Local Function Declarations */
 
 static void digi_wakeup_write( struct usb_serial_port *port );
-static void digi_wakeup_write_lock(void *);
+static void digi_wakeup_write_lock(struct work_struct *work);
 static int digi_write_oob_command( struct usb_serial_port *port,
         unsigned char *buf, int count, int interruptible );
 static int digi_write_inb_command( struct usb_serial_port *port,
@@ -598,11 +599,12 @@ static inline long cond_wait_interruptible_timeout_irqrestore(
 *  on writes.
 */
 
-static void digi_wakeup_write_lock(void *arg)
+static void digi_wakeup_write_lock(struct work_struct *work)
 {
-        struct usb_serial_port *port = arg;
+        struct digi_port *priv =
+                container_of(work, struct digi_port, dp_wakeup_work);
+        struct usb_serial_port *port = priv->dp_port;
         unsigned long flags;
-        struct digi_port *priv = usb_get_serial_port_data(port);
 
 
         spin_lock_irqsave( &priv->dp_port_lock, flags );
@@ -1702,8 +1704,8 @@ dbg( "digi_startup: TOP" );
                 init_waitqueue_head( &priv->dp_flush_wait );
                 priv->dp_in_close = 0;
                 init_waitqueue_head( &priv->dp_close_wait );
-                INIT_WORK(&priv->dp_wakeup_work,
-                                digi_wakeup_write_lock, serial->port[i]);
+                INIT_WORK(&priv->dp_wakeup_work, digi_wakeup_write_lock);
+                priv->dp_port = serial->port[i];
 
                 /* initialize write wait queue for this port */
                 init_waitqueue_head( &serial->port[i]->write_wait );