diff options
Diffstat (limited to 'drivers/usb/serial')
-rw-r--r-- | drivers/usb/serial/digi_acceleport.c | 17 | ||||
-rw-r--r-- | drivers/usb/serial/io_edgeport.c | 28 | ||||
-rw-r--r-- | drivers/usb/serial/keyspan.c | 43 | ||||
-rw-r--r-- | drivers/usb/serial/keyspan_pda.c | 6 | ||||
-rw-r--r-- | drivers/usb/serial/mos7720.c | 8 | ||||
-rw-r--r-- | drivers/usb/serial/mos7840.c | 7 | ||||
-rw-r--r-- | drivers/usb/serial/option.c | 9 | ||||
-rw-r--r-- | drivers/usb/serial/quatech2.c | 17 | ||||
-rw-r--r-- | drivers/usb/serial/sierra.c | 8 | ||||
-rw-r--r-- | drivers/usb/serial/ti_usb_3410_5052.c | 7 | ||||
-rw-r--r-- | drivers/usb/serial/usb-serial.c | 10 |
11 files changed, 33 insertions, 127 deletions
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index ebe45fa0ed5..31191581060 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -210,7 +210,6 @@ struct digi_port { /* Local Function Declarations */ -static void digi_wakeup_write(struct usb_serial_port *port); 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); @@ -374,20 +373,10 @@ static void digi_wakeup_write_lock(struct work_struct *work) unsigned long flags; spin_lock_irqsave(&priv->dp_port_lock, flags); - digi_wakeup_write(port); + tty_port_tty_wakeup(&port->port); spin_unlock_irqrestore(&priv->dp_port_lock, flags); } -static void digi_wakeup_write(struct usb_serial_port *port) -{ - struct tty_struct *tty = tty_port_tty_get(&port->port); - if (tty) { - tty_wakeup(tty); - tty_kref_put(tty); - } -} - - /* * Digi Write OOB Command * @@ -1044,7 +1033,7 @@ static void digi_write_bulk_callback(struct urb *urb) } } /* wake up processes sleeping on writes immediately */ - digi_wakeup_write(port); + tty_port_tty_wakeup(&port->port); /* also queue up a wakeup at scheduler time, in case we */ /* lost the race in write_chan(). */ schedule_work(&priv->dp_wakeup_work); @@ -1522,7 +1511,7 @@ static int digi_read_oob_callback(struct urb *urb) /* port must be open to use tty struct */ if (rts) { tty->hw_stopped = 0; - digi_wakeup_write(port); + tty_port_tty_wakeup(&port->port); } } else { priv->dp_modem_signals &= ~TIOCM_CTS; diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index efd8b978128..cf0b0a2f7b5 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -564,7 +564,6 @@ static void edge_interrupt_callback(struct urb *urb) struct device *dev; struct edgeport_port *edge_port; struct usb_serial_port *port; - struct tty_struct *tty; unsigned char *data = urb->transfer_buffer; int length = urb->actual_length; int bytes_avail; @@ -643,12 +642,7 @@ static void edge_interrupt_callback(struct urb *urb) /* tell the tty driver that something has changed */ - tty = tty_port_tty_get( - &edge_port->port->port); - if (tty) { - tty_wakeup(tty); - tty_kref_put(tty); - } + tty_port_tty_wakeup(&edge_port->port->port); /* Since we have more credit, check if more data can be sent */ send_more_port_data(edge_serial, @@ -737,7 +731,6 @@ static void edge_bulk_in_callback(struct urb *urb) static void edge_bulk_out_data_callback(struct urb *urb) { struct edgeport_port *edge_port = urb->context; - struct tty_struct *tty; int status = urb->status; if (status) { @@ -746,14 +739,8 @@ static void edge_bulk_out_data_callback(struct urb *urb) __func__, status); } - tty = tty_port_tty_get(&edge_port->port->port); - - if (tty && edge_port->open) { - /* let the tty driver wakeup if it has a special - write_wakeup function */ - tty_wakeup(tty); - } - tty_kref_put(tty); + if (edge_port->open) + tty_port_tty_wakeup(&edge_port->port->port); /* Release the Write URB */ edge_port->write_in_progress = false; @@ -772,7 +759,6 @@ static void edge_bulk_out_data_callback(struct urb *urb) static void edge_bulk_out_cmd_callback(struct urb *urb) { struct edgeport_port *edge_port = urb->context; - struct tty_struct *tty; int status = urb->status; atomic_dec(&CmdUrbs); @@ -793,13 +779,9 @@ static void edge_bulk_out_cmd_callback(struct urb *urb) return; } - /* Get pointer to tty */ - tty = tty_port_tty_get(&edge_port->port->port); - /* tell the tty driver that something has changed */ - if (tty && edge_port->open) - tty_wakeup(tty); - tty_kref_put(tty); + if (edge_port->open) + tty_port_tty_wakeup(&edge_port->port->port); /* we have completed the command */ edge_port->commandPending = false; diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index 1fd1935c831..b011478d2e5 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -378,7 +378,6 @@ static void usa26_instat_callback(struct urb *urb) struct usb_serial *serial; struct usb_serial_port *port; struct keyspan_port_private *p_priv; - struct tty_struct *tty; int old_dcd_state, err; int status = urb->status; @@ -421,12 +420,8 @@ static void usa26_instat_callback(struct urb *urb) p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); p_priv->ri_state = ((msg->ri) ? 1 : 0); - if (old_dcd_state != p_priv->dcd_state) { - tty = tty_port_tty_get(&port->port); - if (tty && !C_CLOCAL(tty)) - tty_hangup(tty); - tty_kref_put(tty); - } + if (old_dcd_state != p_priv->dcd_state) + tty_port_tty_hangup(&port->port, true); /* Resubmit urb so we continue receiving */ err = usb_submit_urb(urb, GFP_ATOMIC); @@ -510,7 +505,6 @@ static void usa28_instat_callback(struct urb *urb) struct usb_serial *serial; struct usb_serial_port *port; struct keyspan_port_private *p_priv; - struct tty_struct *tty; int old_dcd_state; int status = urb->status; @@ -551,12 +545,8 @@ static void usa28_instat_callback(struct urb *urb) p_priv->dcd_state = ((msg->dcd) ? 1 : 0); p_priv->ri_state = ((msg->ri) ? 1 : 0); - if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { - tty = tty_port_tty_get(&port->port); - if (tty && !C_CLOCAL(tty)) - tty_hangup(tty); - tty_kref_put(tty); - } + if (old_dcd_state != p_priv->dcd_state && old_dcd_state) + tty_port_tty_hangup(&port->port, true); /* Resubmit urb so we continue receiving */ err = usb_submit_urb(urb, GFP_ATOMIC); @@ -642,12 +632,8 @@ static void usa49_instat_callback(struct urb *urb) p_priv->dcd_state = ((msg->dcd) ? 1 : 0); p_priv->ri_state = ((msg->ri) ? 1 : 0); - if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { - struct tty_struct *tty = tty_port_tty_get(&port->port); - if (tty && !C_CLOCAL(tty)) - tty_hangup(tty); - tty_kref_put(tty); - } + if (old_dcd_state != p_priv->dcd_state && old_dcd_state) + tty_port_tty_hangup(&port->port, true); /* Resubmit urb so we continue receiving */ err = usb_submit_urb(urb, GFP_ATOMIC); @@ -851,7 +837,6 @@ static void usa90_instat_callback(struct urb *urb) struct usb_serial *serial; struct usb_serial_port *port; struct keyspan_port_private *p_priv; - struct tty_struct *tty; int old_dcd_state, err; int status = urb->status; @@ -880,12 +865,8 @@ static void usa90_instat_callback(struct urb *urb) p_priv->dcd_state = ((msg->dcd) ? 1 : 0); p_priv->ri_state = ((msg->ri) ? 1 : 0); - if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { - tty = tty_port_tty_get(&port->port); - if (tty && !C_CLOCAL(tty)) - tty_hangup(tty); - tty_kref_put(tty); - } + if (old_dcd_state != p_priv->dcd_state && old_dcd_state) + tty_port_tty_hangup(&port->port, true); /* Resubmit urb so we continue receiving */ err = usb_submit_urb(urb, GFP_ATOMIC); @@ -953,12 +934,8 @@ static void usa67_instat_callback(struct urb *urb) p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); - if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { - struct tty_struct *tty = tty_port_tty_get(&port->port); - if (tty && !C_CLOCAL(tty)) - tty_hangup(tty); - tty_kref_put(tty); - } + if (old_dcd_state != p_priv->dcd_state && old_dcd_state) + tty_port_tty_hangup(&port->port, true); /* Resubmit urb so we continue receiving */ err = usb_submit_urb(urb, GFP_ATOMIC); diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c index 3b17d5d13dc..2230223978c 100644 --- a/drivers/usb/serial/keyspan_pda.c +++ b/drivers/usb/serial/keyspan_pda.c @@ -104,10 +104,8 @@ 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 = tty_port_tty_get(&port->port); - if (tty) - tty_wakeup(tty); - tty_kref_put(tty); + + tty_port_tty_wakeup(&port->port); } static void keyspan_pda_request_unthrottle(struct work_struct *work) diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index e0ebec3b5d6..e956eae198f 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -932,7 +932,6 @@ static void mos7720_bulk_in_callback(struct urb *urb) static void mos7720_bulk_out_data_callback(struct urb *urb) { struct moschip_port *mos7720_port; - struct tty_struct *tty; int status = urb->status; if (status) { @@ -946,11 +945,8 @@ static void mos7720_bulk_out_data_callback(struct urb *urb) return ; } - tty = tty_port_tty_get(&mos7720_port->port->port); - - if (tty && mos7720_port->open) - tty_wakeup(tty); - tty_kref_put(tty); + if (mos7720_port->open) + tty_port_tty_wakeup(&mos7720_port->port->port); } /* diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index b8051fa6191..2be376a2e0e 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -816,7 +816,6 @@ static void mos7840_bulk_out_data_callback(struct urb *urb) { struct moschip_port *mos7840_port; struct usb_serial_port *port; - struct tty_struct *tty; int status = urb->status; int i; @@ -839,10 +838,8 @@ static void mos7840_bulk_out_data_callback(struct urb *urb) if (mos7840_port_paranoia_check(port, __func__)) return; - tty = tty_port_tty_get(&port->port); - if (tty && mos7840_port->open) - tty_wakeup(tty); - tty_kref_put(tty); + if (mos7840_port->open) + tty_port_tty_wakeup(&port->port); } diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 558adfc0500..09cd3967b8d 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1537,13 +1537,8 @@ static void option_instat_callback(struct urb *urb) portdata->dsr_state = ((signals & 0x02) ? 1 : 0); portdata->ri_state = ((signals & 0x08) ? 1 : 0); - if (old_dcd_state && !portdata->dcd_state) { - struct tty_struct *tty = - tty_port_tty_get(&port->port); - if (tty && !C_CLOCAL(tty)) - tty_hangup(tty); - tty_kref_put(tty); - } + if (old_dcd_state && !portdata->dcd_state) + tty_port_tty_hangup(&port->port, true); } else { dev_dbg(dev, "%s: type %x req %x\n", __func__, req_pkt->bRequestType, req_pkt->bRequest); diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c index 75f125ddb0c..ef3a7d5eaab 100644 --- a/drivers/usb/serial/quatech2.c +++ b/drivers/usb/serial/quatech2.c @@ -116,7 +116,6 @@ struct qt2_serial_private { }; struct qt2_port_private { - bool is_open; u8 device_port; spinlock_t urb_lock; @@ -397,7 +396,6 @@ static int qt2_open(struct tty_struct *tty, struct usb_serial_port *port) return status; } - port_priv->is_open = true; port_priv->device_port = (u8) device_port; if (tty) @@ -417,8 +415,6 @@ static void qt2_close(struct usb_serial_port *port) serial = port->serial; port_priv = usb_get_serial_port_data(port); - port_priv->is_open = false; - spin_lock_irqsave(&port_priv->urb_lock, flags); usb_kill_urb(port_priv->write_urb); port_priv->urb_in_use = false; @@ -664,9 +660,7 @@ void qt2_process_read_urb(struct urb *urb) __func__); break; } - - if (port_priv->is_open) - tty_flip_buffer_push(&port->port); + tty_flip_buffer_push(&port->port); newport = *(ch + 3); @@ -709,8 +703,7 @@ void qt2_process_read_urb(struct urb *urb) tty_insert_flip_string(&port->port, ch, 1); } - if (port_priv->is_open) - tty_flip_buffer_push(&port->port); + tty_flip_buffer_push(&port->port); } static void qt2_write_bulk_callback(struct urb *urb) @@ -910,12 +903,6 @@ static void qt2_break_ctl(struct tty_struct *tty, int break_state) port_priv = usb_get_serial_port_data(port); - if (!port_priv->is_open) { - dev_err(&port->dev, - "%s - port is not open\n", __func__); - return; - } - val = (break_state == -1) ? 1 : 0; status = qt2_control_msg(port->serial->dev, QT2_BREAK_CONTROL, diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index c13f6e74774..d66148a17fe 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -628,7 +628,6 @@ static void sierra_instat_callback(struct urb *urb) unsigned char signals = *((unsigned char *) urb->transfer_buffer + sizeof(struct usb_ctrlrequest)); - struct tty_struct *tty; dev_dbg(&port->dev, "%s: signal x%x\n", __func__, signals); @@ -639,11 +638,8 @@ static void sierra_instat_callback(struct urb *urb) portdata->dsr_state = ((signals & 0x02) ? 1 : 0); portdata->ri_state = ((signals & 0x08) ? 1 : 0); - tty = tty_port_tty_get(&port->port); - if (tty && !C_CLOCAL(tty) && - old_dcd_state && !portdata->dcd_state) - tty_hangup(tty); - tty_kref_put(tty); + if (old_dcd_state && !portdata->dcd_state) + tty_port_tty_hangup(&port->port, true); } else { dev_dbg(&port->dev, "%s: type %x req %x\n", __func__, req_pkt->bRequestType, diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 73deb029fc0..19a71a9eecf 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -1229,7 +1229,6 @@ static void ti_send(struct ti_port *tport) { int count, result; struct usb_serial_port *port = tport->tp_port; - struct tty_struct *tty = tty_port_tty_get(&port->port); /* FIXME */ unsigned long flags; spin_lock_irqsave(&tport->tp_lock, flags); @@ -1270,14 +1269,12 @@ static void ti_send(struct ti_port *tport) } /* more room in the buffer for new writes, wakeup */ - if (tty) - tty_wakeup(tty); - tty_kref_put(tty); + tty_port_tty_wakeup(&port->port); + wake_up_interruptible(&tport->tp_write_wait); return; unlock: spin_unlock_irqrestore(&tport->tp_lock, flags); - tty_kref_put(tty); return; } diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 5d9b178484f..650be17a68f 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -542,16 +542,8 @@ static void usb_serial_port_work(struct work_struct *work) { struct usb_serial_port *port = container_of(work, struct usb_serial_port, work); - struct tty_struct *tty; - tty = tty_port_tty_get(&port->port); - if (!tty) - return; - - dev_dbg(tty->dev, "%s - port %d\n", __func__, port->number); - - tty_wakeup(tty); - tty_kref_put(tty); + tty_port_tty_wakeup(&port->port); } static void kill_traffic(struct usb_serial_port *port) |