Merge branch 'master' of /home/aia21/ntfs-2.6/

23 files changed, 309 insertions, 61 deletions

diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index be5dc80836c3..5a8a2c91c2b2 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -403,6 +403,13 @@ config USB_SERIAL_MCT_U232
 	  To compile this driver as a module, choose M here: the
 	  module will be called mct_u232.
 
+config USB_SERIAL_NAVMAN
+	tristate "USB Navman GPS device"
+	depends on USB_SERIAL
+	help
+	  To compile this driver as a module, choose M here: the
+	  module will be called navman.
+
 config USB_SERIAL_PL2303
 	tristate "USB Prolific 2303 Single Port Serial Driver"
 	depends on USB_SERIAL
diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile
index f0b04420cea1..f7fe4172efed 100644
--- a/drivers/usb/serial/Makefile
+++ b/drivers/usb/serial/Makefile
@@ -32,6 +32,7 @@ obj-$(CONFIG_USB_SERIAL_KEYSPAN_PDA)		+= keyspan_pda.o
 obj-$(CONFIG_USB_SERIAL_KLSI)			+= kl5kusb105.o
 obj-$(CONFIG_USB_SERIAL_KOBIL_SCT)		+= kobil_sct.o
 obj-$(CONFIG_USB_SERIAL_MCT_U232)		+= mct_u232.o
+obj-$(CONFIG_USB_SERIAL_NAVMAN)			+= navman.o
 obj-$(CONFIG_USB_SERIAL_OMNINET)		+= omninet.o
 obj-$(CONFIG_USB_SERIAL_OPTION)			+= option.o
 obj-$(CONFIG_USB_SERIAL_PL2303)			+= pl2303.o
diff --git a/drivers/usb/serial/cp2101.c b/drivers/usb/serial/cp2101.c
index dc7a069503e0..e0c2acdb3f06 100644
--- a/drivers/usb/serial/cp2101.c
+++ b/drivers/usb/serial/cp2101.c
@@ -32,7 +32,7 @@
 /*
  * Version Information
  */
-#define DRIVER_VERSION "v0.06"
+#define DRIVER_VERSION "v0.07"
 #define DRIVER_DESC "Silicon Labs CP2101/CP2102 RS232 serial adaptor driver"
 
 /*
@@ -58,6 +58,7 @@ static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(0x10A6, 0xAA26) }, /* Knock-off DCU-11 cable */
 	{ USB_DEVICE(0x10AB, 0x10C5) }, /* Siemens MC60 Cable */
 	{ USB_DEVICE(0x10B5, 0xAC70) }, /* Nokia CA-42 USB */
+	{ USB_DEVICE(0x10C4, 0x803B) }, /* Pololu USB-serial converter */
 	{ USB_DEVICE(0x10C4, 0x807A) }, /* Crumb128 board */
 	{ USB_DEVICE(0x10C4, 0x80CA) }, /* Degree Controls Inc */
 	{ USB_DEVICE(0x10C4, 0x80F6) }, /* Suunto sports instrument */
@@ -169,9 +170,7 @@ static int cp2101_get_config(struct usb_serial_port* port, u8 request,
 	/* Number of integers required to contain the array */
 	length = (((size - 1) | 3) + 1)/4;
 
-	buf = kmalloc (length * sizeof(u32), GFP_KERNEL);
-	memset(buf, 0, length * sizeof(u32));
-
+	buf = kcalloc(length, sizeof(u32), GFP_KERNEL);
 	if (!buf) {
 		dev_err(&port->dev, "%s - out of memory.\n", __FUNCTION__);
 		return -ENOMEM;
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 68067fe117a4..7212fbe3b6f2 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -98,10 +98,16 @@ static struct usb_device_id id_table_cyphidcomrs232 [] = {
 	{ }						/* Terminating entry */
 };
 
+static struct usb_device_id id_table_nokiaca42v2 [] = {
+	{ USB_DEVICE(VENDOR_ID_DAZZLE, PRODUCT_ID_CA42) },
+	{ }						/* Terminating entry */
+};
+
 static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB) },
 	{ USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB_LT20) },
 	{ USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) },
+	{ USB_DEVICE(VENDOR_ID_DAZZLE, PRODUCT_ID_CA42) },
 	{ }						/* Terminating entry */
 };
 
@@ -149,6 +155,7 @@ struct cypress_buf {
 /* function prototypes for the Cypress USB to serial device */
 static int  cypress_earthmate_startup	(struct usb_serial *serial);
 static int  cypress_hidcom_startup	(struct usb_serial *serial);
+static int  cypress_ca42v2_startup	(struct usb_serial *serial);
 static void cypress_shutdown		(struct usb_serial *serial);
 static int  cypress_open		(struct usb_serial_port *port, struct file *filp);
 static void cypress_close		(struct usb_serial_port *port, struct file *filp);
@@ -235,6 +242,34 @@ static struct usb_serial_driver cypress_hidcom_device = {
 	.write_int_callback =		cypress_write_int_callback,
 };
 
+static struct usb_serial_driver cypress_ca42v2_device = {
+	.driver = {
+		.owner =		THIS_MODULE,
+                .name =			"nokiaca42v2",
+	},
+	.description =			"Nokia CA-42 V2 Adapter",
+	.id_table =			id_table_nokiaca42v2,
+	.num_interrupt_in =		1,
+	.num_interrupt_out =		1,
+	.num_bulk_in =			NUM_DONT_CARE,
+	.num_bulk_out =			NUM_DONT_CARE,
+	.num_ports =			1,
+	.attach =			cypress_ca42v2_startup,
+	.shutdown =			cypress_shutdown,
+	.open =				cypress_open,
+	.close =			cypress_close,
+	.write =			cypress_write,
+	.write_room =			cypress_write_room,
+	.ioctl =			cypress_ioctl,
+	.set_termios =			cypress_set_termios,
+	.tiocmget =			cypress_tiocmget,
+	.tiocmset =			cypress_tiocmset,
+	.chars_in_buffer =		cypress_chars_in_buffer,
+	.throttle =			cypress_throttle,
+	.unthrottle =			cypress_unthrottle,
+	.read_int_callback =		cypress_read_int_callback,
+	.write_int_callback =		cypress_write_int_callback,
+};
 
 /*****************************************************************************
  * Cypress serial helper functions
@@ -286,6 +321,12 @@ static int cypress_serial_control (struct usb_serial_port *port, unsigned baud_m
 						    __FUNCTION__);
 						new_baudrate = priv->baud_rate;
 					}
+				} else if (priv->chiptype == CT_CA42V2) {
+					if ( (new_baudrate = mask_to_rate(baud_mask)) == -1) {
+						err("%s - failed setting baud rate, unsupported speed",
+						    __FUNCTION__);
+						new_baudrate = priv->baud_rate;
+					}
 				} else if (priv->chiptype == CT_GENERIC) {
 					if ( (new_baudrate = mask_to_rate(baud_mask)) == -1) {
 						err("%s - failed setting baud rate, unsupported speed",
@@ -435,11 +476,10 @@ static int generic_startup (struct usb_serial *serial)
 
 	dbg("%s - port %d", __FUNCTION__, serial->port[0]->number);
 
-	priv = kmalloc(sizeof (struct cypress_private), GFP_KERNEL);
+	priv = kzalloc(sizeof (struct cypress_private), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
-	memset(priv, 0x00, sizeof (struct cypress_private));
 	spin_lock_init(&priv->lock);
 	priv->buf = cypress_buf_alloc(CYPRESS_BUF_SIZE);
 	if (priv->buf == NULL) {
@@ -500,6 +540,25 @@ static int cypress_hidcom_startup (struct usb_serial *serial)
 } /* cypress_hidcom_startup */
 
 
+static int cypress_ca42v2_startup (struct usb_serial *serial)
+{
+	struct cypress_private *priv;
+
+	dbg("%s", __FUNCTION__);
+
+	if (generic_startup(serial)) {
+		dbg("%s - Failed setting up port %d", __FUNCTION__,
+				serial->port[0]->number);
+		return 1;
+	}
+
+	priv = usb_get_serial_port_data(serial->port[0]);
+	priv->chiptype = CT_CA42V2;
+
+	return 0;
+} /* cypress_ca42v2_startup */
+
+
 static void cypress_shutdown (struct usb_serial *serial)
 {
 	struct cypress_private *priv;
@@ -944,6 +1003,10 @@ static void cypress_set_termios (struct usb_serial_port *port,
 			*(tty->termios) = tty_std_termios;
 			tty->termios->c_cflag = B9600 | CS8 | CREAD | HUPCL |
 				CLOCAL;
+		} else if (priv->chiptype == CT_CA42V2) {
+			*(tty->termios) = tty_std_termios;
+			tty->termios->c_cflag = B9600 | CS8 | CREAD | HUPCL |
+				CLOCAL;
 		}
 		priv->termios_initialized = 1;
 	}
@@ -1542,6 +1605,9 @@ static int __init cypress_init(void)
 	retval = usb_serial_register(&cypress_hidcom_device);
 	if (retval)
 		goto failed_hidcom_register;
+	retval = usb_serial_register(&cypress_ca42v2_device);
+	if (retval)
+		goto failed_ca42v2_register;
 	retval = usb_register(&cypress_driver);
 	if (retval)
 		goto failed_usb_register;
@@ -1550,6 +1616,8 @@ static int __init cypress_init(void)
 	return 0;
 failed_usb_register:
 	usb_deregister(&cypress_driver);
+failed_ca42v2_register:
+	usb_serial_deregister(&cypress_ca42v2_device);
 failed_hidcom_register:
 	usb_serial_deregister(&cypress_hidcom_device);
 failed_em_register:
@@ -1566,6 +1634,7 @@ static void __exit cypress_exit (void)
 	usb_deregister (&cypress_driver);
 	usb_serial_deregister (&cypress_earthmate_device);
 	usb_serial_deregister (&cypress_hidcom_device);
+	usb_serial_deregister (&cypress_ca42v2_device);
 }
 
 
diff --git a/drivers/usb/serial/cypress_m8.h b/drivers/usb/serial/cypress_m8.h
index 1fa119efe41a..e1c7c27e18b7 100644
--- a/drivers/usb/serial/cypress_m8.h
+++ b/drivers/usb/serial/cypress_m8.h
@@ -18,6 +18,10 @@
 /* Cypress HID->COM RS232 Adapter */
 #define VENDOR_ID_CYPRESS		 0x04b4
 #define PRODUCT_ID_CYPHIDCOM		 0x5500
+
+/* Nokia CA-42 USB to serial cable */
+#define VENDOR_ID_DAZZLE		0x07d0
+#define PRODUCT_ID_CA42			0x4101
 /* End of device listing */
 
 /* Used for setting / requesting serial line settings */
@@ -34,6 +38,7 @@
 
 #define CT_EARTHMATE	0x01
 #define CT_CYPHIDCOM	0x02
+#define CT_CA42V2	0x03
 #define CT_GENERIC	0x0F
 /* End of chiptype definitions */
 
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index f2b4ca8692d8..f3af81b4dd29 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -469,8 +469,14 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
 	{ USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
 	{ USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
@@ -486,6 +492,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
+	{ USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) },
 	{ },					/* Optional parameter entry */
 	{ }					/* Terminating entry */
 };
@@ -1135,12 +1142,11 @@ static int ftdi_sio_attach (struct usb_serial *serial)
 	
 	dbg("%s",__FUNCTION__);
 
-	priv = kmalloc(sizeof(struct ftdi_private), GFP_KERNEL);
+	priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
 	if (!priv){
 		err("%s- kmalloc(%Zd) failed.", __FUNCTION__, sizeof(struct ftdi_private));
 		return -ENOMEM;
 	}
-	memset(priv, 0, sizeof(*priv));
 
 	spin_lock_init(&priv->rx_lock);
         init_waitqueue_head(&priv->delta_msr_wait);
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index ca40f16370f1..8da773c2744d 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -146,6 +146,13 @@
 #define KOBIL_CONV_KAAN_PID	0x2021	/* KOBIL_Konverter for KAAN */
 
 /*
+ * Icom ID-1 digital transceiver
+ */
+
+#define ICOM_ID1_VID            0x0C26
+#define ICOM_ID1_PID            0x0004
+
+/*
  * DSS-20 Sync Station for Sony Ericsson P800
  */
  
@@ -333,10 +340,18 @@
 
 /*
  * microHAM product IDs (http://www.microham.com).
- * Submitted by Justin Burket (KL1RL) <zorton@jtan.com>.
+ * Submitted by Justin Burket (KL1RL) <zorton@jtan.com>
+ * and Mike Studer (K6EEP) <k6eep@hamsoftware.org>.
+ * Ian Abbott <abbotti@mev.co.uk> added a few more from the driver INF file.
  */
+#define FTDI_MHAM_KW_PID 0xEEE8		/* USB-KW interface */
+#define FTDI_MHAM_YS_PID 0xEEE9		/* USB-YS interface */
 #define FTDI_MHAM_Y6_PID 0xEEEA		/* USB-Y6 interface */
 #define FTDI_MHAM_Y8_PID 0xEEEB		/* USB-Y8 interface */
+#define FTDI_MHAM_IC_PID 0xEEEC		/* USB-IC interface */
+#define FTDI_MHAM_DB9_PID 0xEEED	/* USB-DB9 interface */
+#define FTDI_MHAM_RS232_PID 0xEEEE	/* USB-RS232 interface */
+#define FTDI_MHAM_Y9_PID 0xEEEF		/* USB-Y9 interface */
 
 /*
  * Active Robots product ids.
diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index d6f55e9dccae..5ec9bf5bac8d 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -1422,12 +1422,11 @@ static int garmin_attach (struct usb_serial *serial)
 
 	dbg("%s", __FUNCTION__);
 
-	garmin_data_p = kmalloc (sizeof(struct garmin_data), GFP_KERNEL);
+	garmin_data_p = kzalloc(sizeof(struct garmin_data), GFP_KERNEL);
 	if (garmin_data_p == NULL) {
 		dev_err(&port->dev, "%s - Out of memory\n", __FUNCTION__);
 		return -ENOMEM;
 	}
-	memset (garmin_data_p, 0, sizeof(struct garmin_data));
 	init_timer(&garmin_data_p->timer);
 	spin_lock_init(&garmin_data_p->lock);
 	INIT_LIST_HEAD(&garmin_data_p->pktlist);
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index 3f29e6b0fd19..b606c5968102 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -2725,12 +2725,11 @@ static int edge_startup (struct usb_serial *serial)
 	dev = serial->dev;
 
 	/* create our private serial structure */
-	edge_serial = kmalloc (sizeof(struct edgeport_serial), GFP_KERNEL);
+	edge_serial = kzalloc(sizeof(struct edgeport_serial), GFP_KERNEL);
 	if (edge_serial == NULL) {
 		dev_err(&serial->dev->dev, "%s - Out of memory\n", __FUNCTION__);
 		return -ENOMEM;
 	}
-	memset (edge_serial, 0, sizeof(struct edgeport_serial));
 	spin_lock_init(&edge_serial->es_lock);
 	edge_serial->serial = serial;
 	usb_set_serial_data(serial, edge_serial);
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index afc0f34b3a46..8e1e2253748b 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -2727,12 +2727,11 @@ static int edge_startup (struct usb_serial *serial)
 	dev = serial->dev;
 
 	/* create our private serial structure */
-	edge_serial = kmalloc (sizeof(struct edgeport_serial), GFP_KERNEL);
+	edge_serial = kzalloc(sizeof(struct edgeport_serial), GFP_KERNEL);
 	if (edge_serial == NULL) {
 		dev_err(&serial->dev->dev, "%s - Out of memory\n", __FUNCTION__);
 		return -ENOMEM;
 	}
-	memset (edge_serial, 0, sizeof(struct edgeport_serial));
 	sema_init(&edge_serial->es_sem, 1);
 	edge_serial->serial = serial;
 	usb_set_serial_data(serial, edge_serial);
@@ -2745,12 +2744,11 @@ static int edge_startup (struct usb_serial *serial)
 
 	/* set up our port private structures */
 	for (i = 0; i < serial->num_ports; ++i) {
-		edge_port = kmalloc (sizeof(struct edgeport_port), GFP_KERNEL);
+		edge_port = kzalloc(sizeof(struct edgeport_port), GFP_KERNEL);
 		if (edge_port == NULL) {
 			dev_err(&serial->dev->dev, "%s - Out of memory\n", __FUNCTION__);
 			goto cleanup;
 		}
-		memset (edge_port, 0, sizeof(struct edgeport_port));
 		spin_lock_init(&edge_port->ep_lock);
 		edge_port->ep_out_buf = edge_buf_alloc(EDGE_OUT_BUF_SIZE);
 		if (edge_port->ep_out_buf == NULL) {
diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index a59010421444..426182ddc42a 100644
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -184,10 +184,9 @@ static struct irda_class_desc *irda_usb_find_class_desc(struct usb_device *dev,
 	struct irda_class_desc *desc;
 	int ret;
 		
-	desc = kmalloc(sizeof (struct irda_class_desc), GFP_KERNEL);
+	desc = kzalloc(sizeof (struct irda_class_desc), GFP_KERNEL);
 	if (desc == NULL) 
 		return NULL;
-	memset(desc, 0, sizeof(struct irda_class_desc));
 	
 	ret = usb_control_msg(dev, usb_rcvctrlpipe(dev,0),
 			IU_REQ_GET_CLASS_DESC,
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 3b958e60f5e8..052b735c4fbd 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -2250,12 +2250,11 @@ static int keyspan_startup (struct usb_serial *serial)
 	}
 
 	/* Setup private data for serial driver */
-	s_priv = kmalloc(sizeof(struct keyspan_serial_private), GFP_KERNEL);
+	s_priv = kzalloc(sizeof(struct keyspan_serial_private), GFP_KERNEL);
 	if (!s_priv) {
 		dbg("%s - kmalloc for keyspan_serial_private failed.", __FUNCTION__);
 		return -ENOMEM;
 	}
-	memset(s_priv, 0, sizeof(struct keyspan_serial_private));
 
 	s_priv->device_details = d_details;
 	usb_set_serial_data(serial, s_priv);
@@ -2263,12 +2262,11 @@ static int keyspan_startup (struct usb_serial *serial)
 	/* Now setup per port private data */
 	for (i = 0; i < serial->num_ports; i++) {
 		port = serial->port[i];
-		p_priv = kmalloc(sizeof(struct keyspan_port_private), GFP_KERNEL);
+		p_priv = kzalloc(sizeof(struct keyspan_port_private), GFP_KERNEL);
 		if (!p_priv) {
 			dbg("%s - kmalloc for keyspan_port_private (%d) failed!.", __FUNCTION__, i);
 			return (1);
 		}
-		memset(p_priv, 0, sizeof(struct keyspan_port_private));
 		p_priv->device_details = d_details;
 		usb_set_serial_port_data(port, p_priv);
 	}
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index b8b213185d0f..87dfcd89ffab 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -255,11 +255,9 @@ static int kobil_open (struct usb_serial_port *port, struct file *filp)
 	}
 	
 	// allocate memory for transfer buffer
-	transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);  
+	transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL);
 	if (! transfer_buffer) {
 		return -ENOMEM;
-	} else {
-		memset(transfer_buffer, 0, transfer_buffer_length);
 	}
 	
 	// allocate write_urb
@@ -383,11 +381,10 @@ static void kobil_read_int_callback( struct urb *purb, struct pt_regs *regs)
 		
 		// BEGIN DEBUG
 		/*
-		  dbg_data = (unsigned char *) kmalloc((3 *  purb->actual_length + 10) * sizeof(char), GFP_KERNEL);
+		  dbg_data = kzalloc((3 *  purb->actual_length + 10) * sizeof(char), GFP_KERNEL);
 		  if (! dbg_data) {
 		  return;
 		  }
-		  memset(dbg_data, 0, (3 *  purb->actual_length + 10));
 		  for (i = 0; i < purb->actual_length; i++) { 
 		  sprintf(dbg_data +3*i, "%02X ", data[i]); 
 		  }
@@ -518,11 +515,10 @@ static int kobil_tiocmget(struct usb_serial_port *port, struct file *file)
 	}
 
 	// allocate memory for transfer buffer
-	transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);  
+	transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL);
 	if (!transfer_buffer) {
 		return -ENOMEM;
 	}
-	memset(transfer_buffer, 0, transfer_buffer_length);
 
 	result = usb_control_msg( port->serial->dev, 
 				  usb_rcvctrlpipe(port->serial->dev, 0 ), 
@@ -564,11 +560,10 @@ static int  kobil_tiocmset(struct usb_serial_port *port, struct file *file,
 	}
 
 	// allocate memory for transfer buffer
-	transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);
+	transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL);
 	if (! transfer_buffer) {
 		return -ENOMEM;
 	}
-	memset(transfer_buffer, 0, transfer_buffer_length);
 
 	if (set & TIOCM_RTS)
 		rts = 1;
@@ -655,11 +650,10 @@ static int  kobil_ioctl(struct usb_serial_port *port, struct file *file,
 						   (struct termios __user *)arg))
 			return -EFAULT;
 		
-		settings = (unsigned char *) kmalloc(50, GFP_KERNEL);  
+		settings = kzalloc(50, GFP_KERNEL);
 		if (! settings) {
 			return -ENOBUFS;
 		}
-		memset(settings, 0, 50);
 
 		switch (priv->internal_termios.c_cflag & CBAUD) {
 		case B1200:
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index b6d6cab9c859..35bd29b6c408 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -348,10 +348,9 @@ static int mct_u232_startup (struct usb_serial *serial)
 	struct mct_u232_private *priv;
 	struct usb_serial_port *port, *rport;
 
-	priv = kmalloc(sizeof(struct mct_u232_private), GFP_KERNEL);
+	priv = kzalloc(sizeof(struct mct_u232_private), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
-	memset(priv, 0, sizeof(struct mct_u232_private));
 	spin_lock_init(&priv->lock);
 	usb_set_serial_port_data(serial->port[0], priv);
 
diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c
new file mode 100644
index 000000000000..7f544081032e
--- /dev/null
+++ b/drivers/usb/serial/navman.c
@@ -0,0 +1,157 @@
+/*
+ * Navman Serial USB driver
+ *
+ * Copyright (C) 2006 Greg Kroah-Hartman <gregkh@suse.de>
+ *
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU General Public License
+ *	version 2 as published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include "usb-serial.h"
+
+static int debug;
+
+static struct usb_device_id id_table [] = {
+	{ USB_DEVICE(0x0a99, 0x0001) },	/* Talon Technology device */
+	{ },
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+
+static struct usb_driver navman_driver = {
+	.name =		"navman",
+	.probe =	usb_serial_probe,
+	.disconnect =	usb_serial_disconnect,
+	.id_table =	id_table,
+	.no_dynamic_id = 	1,
+};
+
+static void navman_read_int_callback(struct urb *urb, struct pt_regs *regs)
+{
+	struct usb_serial_port *port = urb->context;
+	unsigned char *data = urb->transfer_buffer;
+	struct tty_struct *tty;
+	int result;
+
+	switch (urb->status) {
+	case 0:
+		/* success */
+		break;
+	case -ECONNRESET:
+	case -ENOENT:
+	case -ESHUTDOWN:
+		/* this urb is terminated, clean up */
+		dbg("%s - urb shutting down with status: %d",
+		    __FUNCTION__, urb->status);
+		return;
+	default:
+		dbg("%s - nonzero urb status received: %d",
+		    __FUNCTION__, urb->status);
+		goto exit;
+	}
+
+	usb_serial_debug_data(debug, &port->dev, __FUNCTION__,
+			      urb->actual_length, data);
+
+	tty = port->tty;
+	if (tty && urb->actual_length) {
+		tty_buffer_request_room(tty, urb->actual_length);
+		tty_insert_flip_string(tty, data, urb->actual_length);
+		tty_flip_buffer_push(tty);
+	}
+
+exit:
+	result = usb_submit_urb(urb, GFP_ATOMIC);
+	if (result)
+		dev_err(&urb->dev->dev,
+			"%s - Error %d submitting interrupt urb\n",
+			__FUNCTION__, result);
+}
+
+static int navman_open(struct usb_serial_port *port, struct file *filp)
+{
+	int result = 0;
+
+	dbg("%s - port %d", __FUNCTION__, port->number);
+
+	if (port->interrupt_in_urb) {
+		dbg("%s - adding interrupt input for treo", __FUNCTION__);
+		result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
+		if (result)
+			dev_err(&port->dev,
+				"%s - failed submitting interrupt urb, error %d\n",
+				__FUNCTION__, result);
+	}
+	return result;
+}
+
+static void navman_close(struct usb_serial_port *port, struct file *filp)
+{
+	dbg("%s - port %d", __FUNCTION__, port->number);
+
+	if (port->interrupt_in_urb)
+		usb_kill_urb(port->interrupt_in_urb);
+}
+
+static int navman_write(struct usb_serial_port *port,
+			const unsigned char *buf, int count)
+{
+	dbg("%s - port %d", __FUNCTION__, port->number);
+
+	/*
+	 * This device can't write any data, only read from the device
+	 * so we just silently eat all data sent to us and say it was
+	 * successfully sent.
+	 * Evil, I know, but do you have a better idea?
+	 */
+
+	return count;
+}
+
+static struct usb_serial_driver navman_device = {
+	.driver = {
+		.owner =	THIS_MODULE,
+		.name =		"navman",
+	},
+	.id_table =		id_table,
+	.num_interrupt_in =	NUM_DONT_CARE,
+	.num_bulk_in =		NUM_DONT_CARE,
+	.num_bulk_out =		NUM_DONT_CARE,
+	.num_ports =		1,
+	.open =			navman_open,
+	.close = 		navman_close,
+	.write = 		navman_write,
+	.read_int_callback =	navman_read_int_callback,
+};
+
+static int __init navman_init(void)
+{
+	int retval;
+
+	retval = usb_serial_register(&navman_device);
+	if (retval)
+		return retval;
+	retval = usb_register(&navman_driver);
+	if (retval)
+		usb_serial_deregister(&navman_device);
+	return retval;
+}
+
+static void __exit navman_exit(void)
+{
+	usb_deregister(&navman_driver);
+	usb_serial_deregister(&navman_device);
+}
+
+module_init(navman_init);
+module_exit(navman_exit);
+MODULE_LICENSE("GPL");
+
+module_param(debug, bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(debug, "Debug enabled or not");
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index 762d8ff9a1e4..4d40704dea2c 100644
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -204,7 +204,7 @@ static void omninet_read_bulk_callback (struct urb *urb, struct pt_regs *regs)
 	int i;
 	int result;
 
-//	dbg("omninet_read_bulk_callback");
+	dbg("%s - port %d", __FUNCTION__, port->number);
 
 	if (urb->status) {
 		dbg("%s - nonzero read bulk status received: %d", __FUNCTION__, urb->status);
@@ -250,7 +250,7 @@ static int omninet_write (struct usb_serial_port *port, const unsigned char *buf
 
 	int			result;
 
-//	dbg("omninet_write port %d", port->number);
+	dbg("%s - port %d", __FUNCTION__, port->number);
 
 	if (count == 0) {
 		dbg("%s - write request of 0 bytes", __FUNCTION__);
@@ -302,7 +302,7 @@ static int omninet_write_room (struct usb_serial_port *port)
 	if (wport->write_urb_busy)
 		room = wport->bulk_out_size - OMNINET_HEADERLEN;
 
-//	dbg("omninet_write_room returns %d", room);
+	dbg("%s - returns %d", __FUNCTION__, room);
 
 	return (room);
 }
@@ -312,7 +312,7 @@ static void omninet_write_bulk_callback (struct urb *urb, struct pt_regs *regs)
 /*	struct omninet_header	*header = (struct omninet_header  *) urb->transfer_buffer; */
 	struct usb_serial_port 	*port   = (struct usb_serial_port *) urb->context;
 
-//	dbg("omninet_write_bulk_callback, port %0x\n", port);
+	dbg("%s - port %0x\n", __FUNCTION__, port->number);
 
 	port->write_urb_busy = 0;
 	if (urb->status) {
@@ -321,8 +321,6 @@ static void omninet_write_bulk_callback (struct urb *urb, struct pt_regs *regs)
 	}
 
 	schedule_work(&port->work);
-
-//	dbg("omninet_write_bulk_callback, tty %0x\n", tty);
 }
 
 
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 52bdf6fe46f2..a8455c9e79dd 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -631,13 +631,12 @@ static int option_startup(struct usb_serial *serial)
 	/* Now setup per port private data */
 	for (i = 0; i < serial->num_ports; i++) {
 		port = serial->port[i];
-		portdata = kmalloc(sizeof(*portdata), GFP_KERNEL);
+		portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
 		if (!portdata) {
 			dbg("%s: kmalloc for option_port_private (%d) failed!.",
 					__FUNCTION__, i);
 			return (1);
 		}
-		memset(portdata, 0, sizeof(struct option_port_private));
 
 		usb_set_serial_port_data(port, portdata);
 
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 37c81c08faad..b3014fda645c 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -77,6 +77,7 @@ static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(CA_42_CA42_VENDOR_ID, CA_42_CA42_PRODUCT_ID) },
 	{ USB_DEVICE(SAGEM_VENDOR_ID, SAGEM_PRODUCT_ID) },
 	{ USB_DEVICE(LEADTEK_VENDOR_ID, LEADTEK_9531_PRODUCT_ID) },
+	{ USB_DEVICE(SPEEDDRAGON_VENDOR_ID, SPEEDDRAGON_PRODUCT_ID) },
 	{ }					/* Terminating entry */
 };
 
@@ -218,10 +219,9 @@ static int pl2303_startup (struct usb_serial *serial)
 	dbg("device type: %d", type);
 
 	for (i = 0; i < serial->num_ports; ++i) {
-		priv = kmalloc (sizeof (struct pl2303_private), GFP_KERNEL);
+		priv = kzalloc(sizeof(struct pl2303_private), GFP_KERNEL);
 		if (!priv)
 			goto cleanup;
-		memset (priv, 0x00, sizeof (struct pl2303_private));
 		spin_lock_init(&priv->lock);
 		priv->buf = pl2303_buf_alloc(PL2303_BUF_SIZE);
 		if (priv->buf == NULL) {
@@ -383,12 +383,11 @@ static void pl2303_set_termios (struct usb_serial_port *port, struct termios *ol
 		}
 	}
 
-	buf = kmalloc (7, GFP_KERNEL);
+	buf = kzalloc (7, GFP_KERNEL);
 	if (!buf) {
 		dev_err(&port->dev, "%s - out of memory.\n", __FUNCTION__);
 		return;
 	}
-	memset (buf, 0x00, 0x07);
 	
 	i = usb_control_msg (serial->dev, usb_rcvctrlpipe (serial->dev, 0),
 			     GET_LINE_REQUEST, GET_LINE_REQUEST_TYPE,
@@ -828,6 +827,7 @@ static void pl2303_update_line_status(struct usb_serial_port *port,
 	spin_lock_irqsave(&priv->lock, flags);
 	priv->line_status = data[status_idx];
 	spin_unlock_irqrestore(&priv->lock, flags);
+	wake_up_interruptible (&priv->delta_msr_wait);
 
 exit:
 	return;
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 9bc4755162ad..77901d143979 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -75,3 +75,7 @@
 /* Leadtek GPS 9531 (ID 0413:2101) */
 #define LEADTEK_VENDOR_ID	0x0413
 #define LEADTEK_9531_PRODUCT_ID	0x2101
+
+/* USB GSM cable from Speed Dragon Multimedia, Ltd */
+#define SPEEDDRAGON_VENDOR_ID	0x0e55
+#define SPEEDDRAGON_PRODUCT_ID	0x110b
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index c18db3257073..c3a2071b802d 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -416,12 +416,11 @@ static int ti_startup(struct usb_serial *serial)
 	    dev->actconfig->desc.bConfigurationValue);
 
 	/* create device structure */
-	tdev = kmalloc(sizeof(struct ti_device), GFP_KERNEL);
+	tdev = kzalloc(sizeof(struct ti_device), GFP_KERNEL);
 	if (tdev == NULL) {
 		dev_err(&dev->dev, "%s - out of memory\n", __FUNCTION__);
 		return -ENOMEM;
 	}
-	memset(tdev, 0, sizeof(struct ti_device));
 	sema_init(&tdev->td_open_close_sem, 1);
 	tdev->td_serial = serial;
 	usb_set_serial_data(serial, tdev);
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 4dd6865d32b0..097f4e8488fe 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -242,8 +242,10 @@ static void serial_close(struct tty_struct *tty, struct file * filp)
 
 	down(&port->sem);
 
-	if (port->open_count == 0)
-		goto out;
+	if (port->open_count == 0) {
+		up(&port->sem);
+		return;
+	}
 
 	--port->open_count;
 	if (port->open_count == 0) {
@@ -260,10 +262,8 @@ static void serial_close(struct tty_struct *tty, struct file * filp)
 		module_put(port->serial->type->driver.owner);
 	}
 
-	kref_put(&port->serial->kref, destroy_serial);
-
-out:
 	up(&port->sem);
+	kref_put(&port->serial->kref, destroy_serial);
 }
 
 static int serial_write (struct tty_struct * tty, const unsigned char *buf, int count)
@@ -564,12 +564,11 @@ static struct usb_serial * create_serial (struct usb_device *dev,
 {
 	struct usb_serial *serial;
 
-	serial = kmalloc (sizeof (*serial), GFP_KERNEL);
+	serial = kzalloc(sizeof(*serial), GFP_KERNEL);
 	if (!serial) {
 		dev_err(&dev->dev, "%s - out of memory\n", __FUNCTION__);
 		return NULL;
 	}
-	memset (serial, 0, sizeof(*serial));
 	serial->dev = usb_get_dev(dev);
 	serial->type = driver;
 	serial->interface = interface;
@@ -778,10 +777,9 @@ int usb_serial_probe(struct usb_interface *interface,
 	serial->num_port_pointers = max_endpoints;
 	dbg("%s - setting up %d port structures for this device", __FUNCTION__, max_endpoints);
 	for (i = 0; i < max_endpoints; ++i) {
-		port = kmalloc(sizeof(struct usb_serial_port), GFP_KERNEL);
+		port = kzalloc(sizeof(struct usb_serial_port), GFP_KERNEL);
 		if (!port)
 			goto probe_error;
-		memset(port, 0x00, sizeof(struct usb_serial_port));
 		port->number = i + serial->minor;
 		port->serial = serial;
 		spin_lock_init(&port->lock);
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index bce3d55affd8..f5c3841d4843 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -69,6 +69,8 @@ static struct usb_device_id id_table [] = {
 		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
 	{ USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID),
 		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
+	{ USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID),
+		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID),
 		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID),
@@ -139,6 +141,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID) },
 	{ USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID) },
 	{ USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID) },
+	{ USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID) },
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID) },
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID) },
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID) },
@@ -760,10 +763,9 @@ static int generic_startup(struct usb_serial *serial)
 	int i;
 
 	for (i = 0; i < serial->num_ports; ++i) {
-		priv = kmalloc (sizeof(*priv), GFP_KERNEL);
+		priv = kzalloc (sizeof(*priv), GFP_KERNEL);
 		if (!priv)
 			return -ENOMEM;
-		memset (priv, 0x00, sizeof(*priv));
 		spin_lock_init(&priv->lock);
 		usb_set_serial_port_data(serial->port[i], priv);
 	}
diff --git a/drivers/usb/serial/visor.h b/drivers/usb/serial/visor.h
index b84d1cb4c693..765118d83fb6 100644
--- a/drivers/usb/serial/visor.h
+++ b/drivers/usb/serial/visor.h
@@ -36,6 +36,9 @@
 #define PALM_ZIRE_ID			0x0070
 #define PALM_M100_ID			0x0080
 
+#define GSPDA_VENDOR_ID		0x115e
+#define GSPDA_XPLORE_M68_ID		0xf100
+
 #define SONY_VENDOR_ID			0x054C
 #define SONY_CLIE_3_5_ID		0x0038
 #define SONY_CLIE_4_0_ID		0x0066