aboutsummaryrefslogtreecommitdiff
path: root/drivers/usb/serial/ftdi_sio.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
-rw-r--r--drivers/usb/serial/ftdi_sio.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index c186b4e73c7..6986e756f7c 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -452,6 +452,7 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
{ USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
{ USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
{ USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
@@ -559,7 +560,8 @@ 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;
@@ -593,8 +595,8 @@ 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_set_termios (struct usb_serial_port *port, struct termios * old);
+static void ftdi_process_read (struct work_struct *work);
+static void ftdi_set_termios (struct usb_serial_port *port, struct ktermios * 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);
static int ftdi_ioctl (struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg);
@@ -1201,7 +1203,8 @@ 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) {
@@ -1388,8 +1391,7 @@ static void ftdi_close (struct usb_serial_port *port, struct file *filp)
flush_scheduled_work();
/* shutdown our bulk read */
- if (port->read_urb)
- usb_kill_urb(port->read_urb);
+ usb_kill_urb(port->read_urb);
} /* ftdi_close */
@@ -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;
@@ -1878,7 +1881,7 @@ static void ftdi_break_ctl( struct usb_serial_port *port, int break_state )
* WARNING: set_termios calls this with old_termios in kernel space
*/
-static void ftdi_set_termios (struct usb_serial_port *port, struct termios *old_termios)
+static void ftdi_set_termios (struct usb_serial_port *port, struct ktermios *old_termios)
{ /* ftdi_termios */
struct usb_device *dev = port->serial->dev;
unsigned int cflag = port->tty->termios->c_cflag;
@@ -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)