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path: root/drivers/usb/serial
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Diffstat (limited to 'drivers/usb/serial')
-rw-r--r--drivers/usb/serial/aircable.c13
-rw-r--r--drivers/usb/serial/digi_acceleport.c14
-rw-r--r--drivers/usb/serial/ftdi_sio.c19
-rw-r--r--drivers/usb/serial/keyspan_pda.c22
-rw-r--r--drivers/usb/serial/usb-serial.c7
-rw-r--r--drivers/usb/serial/whiteheat.c15
6 files changed, 54 insertions, 36 deletions
diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c
index b1b5707bc99..86bcf63b6ba 100644
--- a/drivers/usb/serial/aircable.c
+++ b/drivers/usb/serial/aircable.c
@@ -92,6 +92,7 @@ struct aircable_private {
struct circ_buf *rx_buf; /* read buffer */
int rx_flags; /* for throttilng */
struct work_struct rx_work; /* work cue for the receiving line */
+ struct usb_serial_port *port; /* USB port with which associated */
};
/* Private methods */
@@ -251,10 +252,11 @@ static void aircable_send(struct usb_serial_port *port)
schedule_work(&port->work);
}
-static void aircable_read(void *params)
+static void aircable_read(struct work_struct *work)
{
- struct usb_serial_port *port = params;
- struct aircable_private *priv = usb_get_serial_port_data(port);
+ struct aircable_private *priv =
+ container_of(work, struct aircable_private, rx_work);
+ struct usb_serial_port *port = priv->port;
struct tty_struct *tty;
unsigned char *data;
int count;
@@ -349,7 +351,8 @@ static int aircable_attach (struct usb_serial *serial)
}
priv->rx_flags &= ~(THROTTLED | ACTUALLY_THROTTLED);
- INIT_WORK(&priv->rx_work, aircable_read, port);
+ priv->port = port;
+ INIT_WORK(&priv->rx_work, aircable_read);
usb_set_serial_port_data(serial->port[0], priv);
@@ -516,7 +519,7 @@ static void aircable_read_bulk_callback(struct urb *urb)
package_length - shift);
}
}
- aircable_read(port);
+ aircable_read(&priv->rx_work);
}
/* Schedule the next read _if_ we are still open */
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 5e3ac281a2f..83d0e21145b 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 );
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 89ce2775be1..72e4d48f51e 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) {
@@ -1640,17 +1642,18 @@ 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;
@@ -2179,7 +2182,7 @@ 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)
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index 909005107ea..e09a0bfe623 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -120,6 +120,8 @@ struct keyspan_pda_private {
int tx_throttled;
struct work_struct wakeup_work;
struct work_struct unthrottle_work;
+ struct usb_serial *serial;
+ struct usb_serial_port *port;
};
@@ -175,9 +177,11 @@ static struct usb_device_id id_table_fake_xircom [] = {
};
#endif
-static void keyspan_pda_wakeup_write( struct usb_serial_port *port )
+static void keyspan_pda_wakeup_write(struct work_struct *work)
{
-
+ struct keyspan_pda_private *priv =
+ container_of(work, struct keyspan_pda_private, wakeup_work);
+ struct usb_serial_port *port = priv->port;
struct tty_struct *tty = port->tty;
/* wake up port processes */
@@ -187,8 +191,11 @@ static void keyspan_pda_wakeup_write( struct usb_serial_port *port )
tty_wakeup(tty);
}
-static void keyspan_pda_request_unthrottle( struct usb_serial *serial )
+static void keyspan_pda_request_unthrottle(struct work_struct *work)
{
+ struct keyspan_pda_private *priv =
+ container_of(work, struct keyspan_pda_private, unthrottle_work);
+ struct usb_serial *serial = priv->serial;
int result;
dbg(" request_unthrottle");
@@ -765,11 +772,10 @@ static int keyspan_pda_startup (struct usb_serial *serial)
return (1); /* error */
usb_set_serial_port_data(serial->port[0], priv);
init_waitqueue_head(&serial->port[0]->write_wait);
- INIT_WORK(&priv->wakeup_work, (void *)keyspan_pda_wakeup_write,
- (void *)(serial->port[0]));
- INIT_WORK(&priv->unthrottle_work,
- (void *)keyspan_pda_request_unthrottle,
- (void *)(serial));
+ INIT_WORK(&priv->wakeup_work, keyspan_pda_wakeup_write);
+ INIT_WORK(&priv->unthrottle_work, keyspan_pda_request_unthrottle);
+ priv->serial = serial;
+ priv->port = serial->port[0];
return (0);
}
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index c1257d5292f..3d5072f14b8 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -533,9 +533,10 @@ void usb_serial_port_softint(struct usb_serial_port *port)
schedule_work(&port->work);
}
-static void usb_serial_port_work(void *private)
+static void usb_serial_port_work(struct work_struct *work)
{
- struct usb_serial_port *port = private;
+ struct usb_serial_port *port =
+ container_of(work, struct usb_serial_port, work);
struct tty_struct *tty;
dbg("%s - port %d", __FUNCTION__, port->number);
@@ -799,7 +800,7 @@ int usb_serial_probe(struct usb_interface *interface,
port->serial = serial;
spin_lock_init(&port->lock);
mutex_init(&port->mutex);
- INIT_WORK(&port->work, usb_serial_port_work, port);
+ INIT_WORK(&port->work, usb_serial_port_work);
serial->port[i] = port;
}
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 4d1cd7aeccd..154c7d29059 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -227,6 +227,7 @@ struct whiteheat_private {
struct list_head rx_urbs_submitted;
struct list_head rx_urb_q;
struct work_struct rx_work;
+ struct usb_serial_port *port;
struct list_head tx_urbs_free;
struct list_head tx_urbs_submitted;
};
@@ -241,7 +242,7 @@ static void command_port_read_callback(struct urb *urb);
static int start_port_read(struct usb_serial_port *port);
static struct whiteheat_urb_wrap *urb_to_wrap(struct urb *urb, struct list_head *head);
static struct list_head *list_first(struct list_head *head);
-static void rx_data_softint(void *private);
+static void rx_data_softint(struct work_struct *work);
static int firm_send_command(struct usb_serial_port *port, __u8 command, __u8 *data, __u8 datasize);
static int firm_open(struct usb_serial_port *port);
@@ -424,7 +425,8 @@ static int whiteheat_attach (struct usb_serial *serial)
spin_lock_init(&info->lock);
info->flags = 0;
info->mcr = 0;
- INIT_WORK(&info->rx_work, rx_data_softint, port);
+ INIT_WORK(&info->rx_work, rx_data_softint);
+ info->port = port;
INIT_LIST_HEAD(&info->rx_urbs_free);
INIT_LIST_HEAD(&info->rx_urbs_submitted);
@@ -949,7 +951,7 @@ static void whiteheat_unthrottle (struct usb_serial_port *port)
spin_unlock_irqrestore(&info->lock, flags);
if (actually_throttled)
- rx_data_softint(port);
+ rx_data_softint(&info->rx_work);
return;
}
@@ -1400,10 +1402,11 @@ static struct list_head *list_first(struct list_head *head)
}
-static void rx_data_softint(void *private)
+static void rx_data_softint(struct work_struct *work)
{
- struct usb_serial_port *port = (struct usb_serial_port *)private;
- struct whiteheat_private *info = usb_get_serial_port_data(port);
+ struct whiteheat_private *info =
+ container_of(work, struct whiteheat_private, rx_work);
+ struct usb_serial_port *port = info->port;
struct tty_struct *tty = port->tty;
struct whiteheat_urb_wrap *wrap;
struct urb *urb;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 04:12:09 +0000