diff options
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index c186b4e73c72..88ed5c1d236c 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -559,7 +559,8 @@ struct ftdi_private { char prev_status, diff_status; /* Used for TIOCMIWAIT */ __u8 rx_flags; /* receive state flags (throttling) */ spinlock_t rx_lock; /* spinlock for receive state */ - struct work_struct rx_work; + struct delayed_work rx_work; + struct usb_serial_port *port; int rx_processed; unsigned long rx_bytes; @@ -593,7 +594,7 @@ static int ftdi_write_room (struct usb_serial_port *port); static int ftdi_chars_in_buffer (struct usb_serial_port *port); static void ftdi_write_bulk_callback (struct urb *urb); static void ftdi_read_bulk_callback (struct urb *urb); -static void ftdi_process_read (void *param); +static void ftdi_process_read (struct work_struct *work); static void ftdi_set_termios (struct usb_serial_port *port, struct termios * old); static int ftdi_tiocmget (struct usb_serial_port *port, struct file *file); static int ftdi_tiocmset (struct usb_serial_port *port, struct file * file, unsigned int set, unsigned int clear); @@ -1201,7 +1202,8 @@ static int ftdi_sio_attach (struct usb_serial *serial) port->read_urb->transfer_buffer_length = BUFSZ; } - INIT_WORK(&priv->rx_work, ftdi_process_read, port); + INIT_DELAYED_WORK(&priv->rx_work, ftdi_process_read); + priv->port = port; /* Free port's existing write urb and transfer buffer. */ if (port->write_urb) { @@ -1641,17 +1643,18 @@ static void ftdi_read_bulk_callback (struct urb *urb) priv->rx_bytes += countread; spin_unlock_irqrestore(&priv->rx_lock, flags); - ftdi_process_read(port); + ftdi_process_read(&priv->rx_work.work); } /* ftdi_read_bulk_callback */ -static void ftdi_process_read (void *param) +static void ftdi_process_read (struct work_struct *work) { /* ftdi_process_read */ - struct usb_serial_port *port = (struct usb_serial_port*)param; + struct ftdi_private *priv = + container_of(work, struct ftdi_private, rx_work.work); + struct usb_serial_port *port = priv->port; struct urb *urb; struct tty_struct *tty; - struct ftdi_private *priv; char error_flag; unsigned char *data; @@ -2180,7 +2183,7 @@ static void ftdi_unthrottle (struct usb_serial_port *port) spin_unlock_irqrestore(&priv->rx_lock, flags); if (actually_throttled) - schedule_work(&priv->rx_work); + schedule_delayed_work(&priv->rx_work, 0); } static int __init ftdi_init (void) |