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path: root/drivers/usb/serial/ftdi_sio.c
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Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
-rw-r--r--drivers/usb/serial/ftdi_sio.c107
1 files changed, 64 insertions, 43 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 3dc93b542b3..51d7bdea286 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -578,6 +578,7 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
{ USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
{ USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
@@ -860,7 +861,7 @@ static int update_mctrl(struct usb_serial_port *port, unsigned int set,
kfree(buf);
if (rv < 0) {
- err("%s Error from MODEM_CTRL urb: DTR %s, RTS %s",
+ dbg("%s Error from MODEM_CTRL urb: DTR %s, RTS %s",
__func__,
(set & TIOCM_DTR) ? "HIGH" :
(clear & TIOCM_DTR) ? "LOW" : "unchanged",
@@ -1153,7 +1154,7 @@ static void ftdi_determine_type(struct usb_serial_port *port)
/* Assume its an FT232R */
priv->chip_type = FT232RL;
}
- info("Detected %s", ftdi_chip_name[priv->chip_type]);
+ dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
}
@@ -1326,7 +1327,7 @@ static int ftdi_sio_port_probe(struct usb_serial_port *port)
priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
if (!priv) {
- err("%s- kmalloc(%Zd) failed.", __func__,
+ dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
sizeof(struct ftdi_private));
return -ENOMEM;
}
@@ -1409,7 +1410,8 @@ static int ftdi_jtag_probe(struct usb_serial *serial)
dbg("%s", __func__);
if (interface == udev->actconfig->interface[0]) {
- info("Ignoring serial port reserved for JTAG");
+ dev_info(&udev->dev,
+ "Ignoring serial port reserved for JTAG\n");
return -ENODEV;
}
@@ -1427,7 +1429,8 @@ static int ftdi_mtxorb_hack_setup(struct usb_serial *serial)
if (ep->enabled && ep_desc->wMaxPacketSize == 0) {
ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
- info("Fixing invalid wMaxPacketSize on read pipe");
+ dev_info(&serial->dev->dev,
+ "Fixing invalid wMaxPacketSize on read pipe\n");
}
return 0;
@@ -1521,8 +1524,9 @@ static int ftdi_open(struct tty_struct *tty,
ftdi_read_bulk_callback, port);
result = usb_submit_urb(port->read_urb, GFP_KERNEL);
if (result)
- err("%s - failed submitting read urb, error %d",
- __func__, result);
+ dev_err(&port->dev,
+ "%s - failed submitting read urb, error %d\n",
+ __func__, result);
return result;
@@ -1556,7 +1560,7 @@ static void ftdi_close(struct tty_struct *tty,
FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
0, priv->interface, buf, 0,
WDR_TIMEOUT) < 0) {
- err("error from flowcontrol urb");
+ dev_err(&port->dev, "error from flowcontrol urb\n");
}
/* drop RTS and DTR */
@@ -1621,14 +1625,15 @@ static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
buffer = kmalloc(transfer_size, GFP_ATOMIC);
if (!buffer) {
- err("%s ran out of kernel memory for urb ...", __func__);
+ dev_err(&port->dev,
+ "%s ran out of kernel memory for urb ...\n", __func__);
count = -ENOMEM;
goto error_no_buffer;
}
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb) {
- err("%s - no more free urbs", __func__);
+ dev_err(&port->dev, "%s - no more free urbs\n", __func__);
count = -ENOMEM;
goto error_no_urb;
}
@@ -1672,8 +1677,9 @@ static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
status = usb_submit_urb(urb, GFP_ATOMIC);
if (status) {
- err("%s - failed submitting write urb, error %d",
- __func__, status);
+ dev_err(&port->dev,
+ "%s - failed submitting write urb, error %d\n",
+ __func__, status);
count = status;
goto error;
} else {
@@ -1780,7 +1786,8 @@ static int ftdi_chars_in_buffer(struct tty_struct *tty)
buffered = (int)priv->tx_outstanding_bytes;
spin_unlock_irqrestore(&priv->tx_lock, flags);
if (buffered < 0) {
- err("%s outstanding tx bytes is negative!", __func__);
+ dev_err(&port->dev, "%s outstanding tx bytes is negative!\n",
+ __func__);
buffered = 0;
}
return buffered;
@@ -1796,11 +1803,12 @@ static void ftdi_read_bulk_callback(struct urb *urb)
int status = urb->status;
if (urb->number_of_packets > 0) {
- err("%s transfer_buffer_length %d actual_length %d number of packets %d",
- __func__,
- urb->transfer_buffer_length,
- urb->actual_length, urb->number_of_packets);
- err("%s transfer_flags %x ", __func__, urb->transfer_flags);
+ dev_err(&port->dev, "%s transfer_buffer_length %d "
+ "actual_length %d number of packets %d\n", __func__,
+ urb->transfer_buffer_length,
+ urb->actual_length, urb->number_of_packets);
+ dev_err(&port->dev, "%s transfer_flags %x\n", __func__,
+ urb->transfer_flags);
}
dbg("%s - port %d", __func__, port->number);
@@ -1808,7 +1816,7 @@ static void ftdi_read_bulk_callback(struct urb *urb)
if (port->port.count <= 0)
return;
- tty = port->port.tty;
+ tty = tty_port_tty_get(&port->port);
if (!tty) {
dbg("%s - bad tty pointer - exiting", __func__);
return;
@@ -1817,17 +1825,17 @@ static void ftdi_read_bulk_callback(struct urb *urb)
priv = usb_get_serial_port_data(port);
if (!priv) {
dbg("%s - bad port private data pointer - exiting", __func__);
- return;
+ goto out;
}
if (urb != port->read_urb)
- err("%s - Not my urb!", __func__);
+ dev_err(&port->dev, "%s - Not my urb!\n", __func__);
if (status) {
/* This will happen at close every time so it is a dbg not an
err */
dbg("(this is ok on close) nonzero read bulk status received: %d", status);
- return;
+ goto out;
}
/* count data bytes, but not status bytes */
@@ -1838,7 +1846,8 @@ static void ftdi_read_bulk_callback(struct urb *urb)
spin_unlock_irqrestore(&priv->rx_lock, flags);
ftdi_process_read(&priv->rx_work.work);
-
+out:
+ tty_kref_put(tty);
} /* ftdi_read_bulk_callback */
@@ -1863,7 +1872,7 @@ static void ftdi_process_read(struct work_struct *work)
if (port->port.count <= 0)
return;
- tty = port->port.tty;
+ tty = tty_port_tty_get(&port->port);
if (!tty) {
dbg("%s - bad tty pointer - exiting", __func__);
return;
@@ -1872,13 +1881,13 @@ static void ftdi_process_read(struct work_struct *work)
priv = usb_get_serial_port_data(port);
if (!priv) {
dbg("%s - bad port private data pointer - exiting", __func__);
- return;
+ goto out;
}
urb = port->read_urb;
if (!urb) {
dbg("%s - bad read_urb pointer - exiting", __func__);
- return;
+ goto out;
}
data = urb->transfer_buffer;
@@ -1923,7 +1932,8 @@ static void ftdi_process_read(struct work_struct *work)
length = min(PKTSZ, urb->actual_length-packet_offset)-2;
if (length < 0) {
- err("%s - bad packet length: %d", __func__, length+2);
+ dev_err(&port->dev, "%s - bad packet length: %d\n",
+ __func__, length+2);
length = 0;
}
@@ -2020,7 +2030,7 @@ static void ftdi_process_read(struct work_struct *work)
schedule_delayed_work(&priv->rx_work, 1);
else
dbg("%s - port is closed", __func__);
- return;
+ goto out;
}
/* urb is completely processed */
@@ -2038,9 +2048,12 @@ static void ftdi_process_read(struct work_struct *work)
result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
if (result)
- err("%s - failed resubmitting read urb, error %d",
- __func__, result);
+ dev_err(&port->dev,
+ "%s - failed resubmitting read urb, error %d\n",
+ __func__, result);
}
+out:
+ tty_kref_put(tty);
} /* ftdi_process_read */
@@ -2066,8 +2079,8 @@ static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
FTDI_SIO_SET_DATA_REQUEST_TYPE,
urb_value , priv->interface,
buf, 0, WDR_TIMEOUT) < 0) {
- err("%s FAILED to enable/disable break state (state was %d)",
- __func__, break_state);
+ dev_err(&port->dev, "%s FAILED to enable/disable break state "
+ "(state was %d)\n", __func__, break_state);
}
dbg("%s break state is %d - urb is %d", __func__,
@@ -2139,7 +2152,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
case CS7: urb_value |= 7; dbg("Setting CS7"); break;
case CS8: urb_value |= 8; dbg("Setting CS8"); break;
default:
- err("CSIZE was set but not CS5-CS8");
+ dev_err(&port->dev, "CSIZE was set but not CS5-CS8\n");
}
}
@@ -2152,7 +2165,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
FTDI_SIO_SET_DATA_REQUEST_TYPE,
urb_value , priv->interface,
buf, 0, WDR_SHORT_TIMEOUT) < 0) {
- err("%s FAILED to set databits/stopbits/parity", __func__);
+ dev_err(&port->dev, "%s FAILED to set "
+ "databits/stopbits/parity\n", __func__);
}
/* Now do the baudrate */
@@ -2163,14 +2177,17 @@ static void ftdi_set_termios(struct tty_struct *tty,
FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
0, priv->interface,
buf, 0, WDR_TIMEOUT) < 0) {
- err("%s error from disable flowcontrol urb", __func__);
+ dev_err(&port->dev,
+ "%s error from disable flowcontrol urb\n",
+ __func__);
}
/* Drop RTS and DTR */
clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
} else {
/* set the baudrate determined before */
if (change_speed(tty, port))
- err("%s urb failed to set baudrate", __func__);
+ dev_err(&port->dev, "%s urb failed to set baudrate\n",
+ __func__);
/* Ensure RTS and DTR are raised when baudrate changed from 0 */
if (!old_termios || (old_termios->c_cflag & CBAUD) == B0)
set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
@@ -2186,7 +2203,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
buf, 0, WDR_TIMEOUT) < 0) {
- err("urb failed to set to rts/cts flow control");
+ dev_err(&port->dev,
+ "urb failed to set to rts/cts flow control\n");
}
} else {
@@ -2217,7 +2235,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
urb_value , (FTDI_SIO_XON_XOFF_HS
| priv->interface),
buf, 0, WDR_TIMEOUT) < 0) {
- err("urb failed to set to xon/xoff flow control");
+ dev_err(&port->dev, "urb failed to set to "
+ "xon/xoff flow control\n");
}
} else {
/* else clause to only run if cflag ! CRTSCTS and iflag
@@ -2230,7 +2249,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
0, priv->interface,
buf, 0, WDR_TIMEOUT) < 0) {
- err("urb failed to clear flow control");
+ dev_err(&port->dev,
+ "urb failed to clear flow control\n");
}
}
@@ -2256,7 +2276,7 @@ static int ftdi_tiocmget(struct tty_struct *tty, struct file *file)
0, 0,
buf, 1, WDR_TIMEOUT);
if (ret < 0) {
- err("%s Could not get modem status of device - err: %d", __func__,
+ dbg("%s Could not get modem status of device - err: %d", __func__,
ret);
return ret;
}
@@ -2275,7 +2295,7 @@ static int ftdi_tiocmget(struct tty_struct *tty, struct file *file)
0, priv->interface,
buf, 2, WDR_TIMEOUT);
if (ret < 0) {
- err("%s Could not get modem status of device - err: %d", __func__,
+ dbg("%s Could not get modem status of device - err: %d", __func__,
ret);
return ret;
}
@@ -2422,7 +2442,8 @@ static int __init ftdi_init(void)
if (retval)
goto failed_usb_register;
- info(DRIVER_VERSION ":" DRIVER_DESC);
+ printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+ DRIVER_DESC "\n");
return 0;
failed_usb_register:
usb_serial_deregister(&ftdi_sio_device);
@@ -2455,5 +2476,5 @@ module_param(vendor, ushort, 0);
MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
__MODULE_STRING(FTDI_VID)")");
module_param(product, ushort, 0);
-MODULE_PARM_DESC(vendor, "User specified product ID");
+MODULE_PARM_DESC(product, "User specified product ID");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 12:50:57 +0000