fix sierra patches

SVN-Revision: 11909

2 files changed, 0 insertions, 1508 deletions

diff --git a/target/linux/brcm-2.4/patches/014-sierra_support.patch b/target/linux/brcm-2.4/patches/014-sierra_support.patch
index ca76bb5..93ed7af 100644
--- a/target/linux/brcm-2.4/patches/014-sierra_support.patch
+++ b/target/linux/brcm-2.4/patches/014-sierra_support.patch
@@ -1484,1489 +1484,3 @@ diff -Naur linux-2.4.35.4-old/drivers/usb/serial/sierra.h linux-2.4.35.4/drivers
 +#define ACM_CTRL_DTR            0x01
 +#define ACM_CTRL_RTS            0x02
 +
-diff -Naur linux-2.4.35.4-old/drivers/usb/serial/sierra.c linux-2.4.35.4/drivers/usb/serial/sierra.c
---- linux-2.4.35.4-old/drivers/usb/serial/sierra.c	1969-12-31 17:00:00.000000000 -0700
-+++ linux-2.4.35.4/drivers/usb/serial/sierra.c	2008-01-25 10:21:25.747868456 -0700
-@@ -0,0 +1,1446 @@
-+/*
-+ * Sierra Wireless CDMA Wireless Serial USB drive
-+ * 
-+ * Current Copy modified by: Kevin Lloyd <linux@sierrawireless.com>
-+ * Original Copy written by: 2005 Greg Kroah-Hartman <gregkh <at> 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.
-+ *
-+ * Version history:
-+  Version 1.03 (Lloyd):
-+  Included support for DTR control and enhanced buffering (should help
-+  speed).
-+ */
-+
-+#include <linux/config.h>
-+#include <linux/kernel.h>
-+#include <linux/init.h>
-+#include <linux/slab.h>
-+#include <linux/tty.h>
-+#include <linux/tty_driver.h>
-+#include <linux/tty_flip.h>
-+#include <linux/module.h>
-+#include <linux/usb.h>
-+#include <linux/mm.h>
-+#include <asm/uaccess.h>
-+#include <linux/errno.h>
-+#include <linux/list.h>
-+#include <linux/spinlock.h>
-+#include <linux/smp_lock.h>
-+
-+#ifdef CONFIG_USB_SERIAL_DEBUG
-+	static int debug = 1;
-+#else
-+	static int debug;
-+#endif
-+
-+#include "usb-serial.h"
-+#include "sierra.h"
-+#if defined(CONFIG_USB_SERIAL_PL2303) || defined(CONFIG_USB_SERIAL_PL2303_MODULE)
-+#include "pl2303.h"  // see /* BEGIN HORRIBLE HACK FOR PL2303 */ below
-+#endif
-+
-+#define DRIVER_VERSION "v1.03"
-+
-+#if 0
-+#define USB_VENDER_REQUEST_SET_DEVICE_POWER_STATE 0
-+
-+#define USB_DEVICE_POWER_STATE_D0	0x0000
-+#define USB_DEVICE_POWER_STATE_D1	0x0001
-+#define USB_DEVICE_POWER_STATE_D2	0x0002
-+#define USB_DEVICE_POWER_STATE_D3	0x0003
-+
-+#define SET_CONTROL_LINE_STATE		0x22
-+/*
-+ * Output control lines.
-+ */
-+
-+#define ACM_CTRL_DTR		0x01
-+#define ACM_CTRL_RTS		0x02
-+#endif
-+
-+//static int sw_attach(struct usb_serial *serial);
-+static void sw_usb_serial_generic_shutdown(struct usb_serial *serial);
-+
-+static int  sw_usb_serial_generic_open(struct usb_serial_port *port, struct file *filp);
-+static void sw_usb_serial_generic_close(struct usb_serial_port *port, struct file *filp);
-+
-+#if 1
-+/*-----------------------------------------------------------*/
-+static int                      serial_refcount;
-+static struct tty_driver        serial_tty_driver;
-+static struct tty_struct *      serial_tty[SERIAL_TTY_MINORS];
-+static struct termios *         serial_termios[SERIAL_TTY_MINORS];
-+static struct termios *         serial_termios_locked[SERIAL_TTY_MINORS];
-+static struct usb_serial        *serial_table[SERIAL_TTY_MINORS];       /* initially all NULL */
-+
-+static LIST_HEAD(usb_serial_driver_list);
-+static struct usb_serial *get_free_serial (int num_ports, int *minor);
-+static void generic_write_bulk_callback (struct urb *urb);
-+static void * usb_serial_probe(struct usb_device *dev, unsigned int ifnum,const struct usb_device_id *id);
-+static void usb_serial_disconnect(struct usb_device *dev, void *ptr);
-+static void sw_usb_serial_generic_read_bulk_callback (struct urb *urb);
-+static void port_softint(void *private);
-+static void return_serial (struct usb_serial *serial);
-+static struct usb_serial *get_free_serial (int num_ports, int *minor);
-+static int serial_read_proc (char *page, char **start, off_t off, int count, int *eof, void *data);
-+/*-----------------------------------------------------------*/
-+
-+#endif
-+
-+
-+static struct usb_device_id id_table [] = {
-+	{ USB_DEVICE(0x1199, 0x0017) },	/* Sierra Wireless EM5625 */
-+	{ USB_DEVICE(0x1199, 0x0018) },	/* Sierra Wireless MC5720 */
-+	{ USB_DEVICE(0x1199, 0x0218) },	/* Sierra Wireless MC5720 */
-+	{ USB_DEVICE(0x0f30, 0x1b1d) },	/* Sierra Wireless MC5720 */
-+	{ USB_DEVICE(0x1199, 0x0020) },	/* Sierra Wireless MC5725 */
-+	{ USB_DEVICE(0x1199, 0x0220) },	/* Sierra Wireless MC5725 */
-+	{ USB_DEVICE(0x1199, 0x0019) },	/* Sierra Wireless AirCard 595 */
-+	{ USB_DEVICE(0x1199, 0x0021) },	/* Sierra Wireless AirCard 597E */
-+	{ USB_DEVICE(0x1199, 0x0120) },	/* Sierra Wireless USB Dongle 595U */
-+	{ USB_DEVICE(0x1199, 0x0023) },	/* Sierra Wireless C597 */
-+
-+	{ USB_DEVICE(0x1199, 0x6802) },	/* Sierra Wireless MC8755 */
-+	{ USB_DEVICE(0x1199, 0x6804) },	/* Sierra Wireless MC8755 */
-+	{ USB_DEVICE(0x1199, 0x6803) },	/* Sierra Wireless MC8765 */
-+	{ USB_DEVICE(0x1199, 0x6812) },	/* Sierra Wireless MC8775 & AC 875U */
-+	{ USB_DEVICE(0x1199, 0x6813) },	/* Sierra Wireless MC8775 (Thinkpad internal) */
-+	{ USB_DEVICE(0x1199, 0x6815) }, /* Sierra Wireless MC8775 */
-+	{ USB_DEVICE(0x03f0, 0x1e1d) }, /* HP hs2300 a.k.a MC8775 */
-+	{ USB_DEVICE(0x1199, 0x6820) },	/* Sierra Wireless AirCard 875 */
-+	{ USB_DEVICE(0x1199, 0x6821) },	/* Sierra Wireless AirCard 875U */
-+	{ USB_DEVICE(0x1199, 0x6832) },	/* Sierra Wireless MC8780*/
-+	{ USB_DEVICE(0x1199, 0x6833) },	/* Sierra Wireless MC8781*/
-+	{ USB_DEVICE(0x1199, 0x683B) },	/* Sierra Wireless MC8785 Composite*/
-+	{ USB_DEVICE(0x1199, 0x6850) },	/* Sierra Wireless AirCard 880 */
-+	{ USB_DEVICE(0x1199, 0x6851) },	/* Sierra Wireless AirCard 881 */
-+	{ USB_DEVICE(0x1199, 0x6852) },	/* Sierra Wireless AirCard 880 E */
-+	{ USB_DEVICE(0x1199, 0x6853) },	/* Sierra Wireless AirCard 881 E */
-+	{ USB_DEVICE(0x1199, 0x6855) },	/* Sierra Wireless AirCard 880 U */
-+	{ USB_DEVICE(0x1199, 0x6856) },	/* Sierra Wireless AirCard 881 U */
-+	{ USB_DEVICE(0x1199, 0x6859) },	/* Sierra Wireless AirCard 885 E */
-+	{ USB_DEVICE(0x1199, 0x685A) },	/* Sierra Wireless AirCard 885 E */
-+
-+	{ USB_DEVICE(0x1199, 0x6468) }, /* Sierra Wireless MP3G - EVDO */
-+	{ USB_DEVICE(0x1199, 0x6469) }, /* Sierra Wireless MP3G - UMTS/HSPA */
-+
-+	{ USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */
-+	{ USB_DEVICE(0x0F3D, 0x0112) }, /* AirPrime/Sierra Wireless PC 5220 */
-+	{ USB_DEVICE(0x05C6, 0x6613) }, /* Onda H600/ZTE MF330 */
-+	{ }
-+};
-+
-+MODULE_DEVICE_TABLE(usb, id_table);
-+
-+static struct usb_driver sierra_driver = {
-+//	.owner =	THIS_MODULE,
-+	.name =		"Sierra wireless",
-+	.probe =	usb_serial_probe,
-+	.disconnect =	usb_serial_disconnect,
-+	.id_table =	id_table,
-+};
-+
-+static struct usb_serial_device_type sierra_device = {
-+//	.driver = {
-+	.owner =		THIS_MODULE,
-+	.name =			"Sierra Wireless",
-+//	},
-+	.id_table =		id_table,
-+	.num_interrupt_in =	NUM_DONT_CARE,
-+	.num_bulk_in =		NUM_DONT_CARE,
-+	.num_bulk_out =		NUM_DONT_CARE,
-+	.num_ports =		3,
-+	//.startup =		sw_attach,
-+	.shutdown =		sw_usb_serial_generic_shutdown,
-+	.open = 		sw_usb_serial_generic_open,
-+	.close = 		sw_usb_serial_generic_close,
-+};
-+
-+#define MAX_NUM_PORTS 8
-+
-+/* local function prototypes */
-+static int  serial_open (struct tty_struct *tty, struct file * filp);
-+static void serial_close (struct tty_struct *tty, struct file * filp);
-+static int  serial_write (struct tty_struct * tty, int from_user, const unsigned char *buf, int count);
-+static int  serial_write_room (struct tty_struct *tty);
-+static int  serial_chars_in_buffer (struct tty_struct *tty);
-+static void serial_throttle (struct tty_struct * tty);
-+static void serial_unthrottle (struct tty_struct * tty);
-+static int  serial_ioctl (struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg);
-+static void serial_set_termios (struct tty_struct *tty, struct termios * old);
-+//static void serial_shutdown (struct usb_serial *serial);
-+static void serial_break (struct tty_struct *tty, int break_state);
-+static int generic_write (struct usb_serial_port *port, int from_user, const unsigned char *buf, int count);
-+static int generic_write_room (struct usb_serial_port *port);
-+static void generic_cleanup (struct usb_serial_port *port);
-+static int generic_chars_in_buffer (struct usb_serial_port *port);
-+//static void generic_shutdown (struct usb_serial *serial);
-+
-+#if 1
-+static struct tty_driver serial_tty_driver = {
-+        .magic =                TTY_DRIVER_MAGIC,
-+        .driver_name =          "usb-serial",
-+#ifndef CONFIG_DEVFS_FS
-+        .name =                 "ttyUSB",
-+#else
-+        .name =                 "usb/tts/%d",
-+#endif
-+        .major =                SERIAL_TTY_MAJOR,
-+        .minor_start =          0,
-+        .num =                  SERIAL_TTY_MINORS,
-+        .type =                 TTY_DRIVER_TYPE_SERIAL,
-+        .subtype =              SERIAL_TYPE_NORMAL,
-+        .flags =                TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS,
-+
-+        .refcount =             &serial_refcount,
-+        .table =                serial_tty,
-+        .termios =              serial_termios,
-+        .termios_locked =       serial_termios_locked,
-+
-+        .open =                 serial_open,
-+        .close =                serial_close,
-+        .write =                serial_write,
-+        .write_room =           serial_write_room,
-+        .ioctl =                serial_ioctl,
-+        .set_termios =          serial_set_termios,
-+        .throttle =             serial_throttle,
-+        .unthrottle =           serial_unthrottle,
-+        .break_ctl =            serial_break,
-+        .chars_in_buffer =      serial_chars_in_buffer,
-+        .read_proc =            serial_read_proc,
-+};
-+#endif
-+
-+
-+/*****************************************************************************
-+ * Driver tty interface functions
-+ *****************************************************************************/
-+static struct usb_serial *get_serial_by_minor (unsigned int minor)
-+{
-+        return serial_table[minor];
-+}
-+
-+static int serial_open (struct tty_struct *tty, struct file * filp)
-+{
-+	struct usb_serial *serial;
-+	struct usb_serial_port *port;
-+	unsigned int portNumber;
-+	int retval = 0;
-+	
-+	dbg("%s", __FUNCTION__);
-+
-+	/* initialize the pointer incase something fails */
-+	tty->driver_data = NULL;
-+
-+	/* get the serial object associated with this tty pointer */
-+	serial = get_serial_by_minor (MINOR(tty->device));
-+
-+	if (serial_paranoia_check (serial, __FUNCTION__))
-+		return -ENODEV;
-+
-+	/* set up our port structure making the tty driver remember our port object, and us it */
-+	portNumber = MINOR(tty->device) - serial->minor;
-+	port = &serial->port[portNumber];
-+	tty->driver_data = port;
-+
-+	down (&port->sem);
-+	port->tty = tty;
-+	 
-+	/* lock this module before we call it */
-+	if (serial->type->owner)
-+		__MOD_INC_USE_COUNT(serial->type->owner);
-+
-+	++port->open_count;
-+	if (port->open_count == 1) {
-+		/* only call the device specific open if this 
-+		 * is the first time the port is opened */
-+		if (serial->type->open)
-+			retval = serial->type->open(port, filp);
-+		else
-+			retval = sw_usb_serial_generic_open(port, filp);//@.@
-+	}
-+
-+	if (retval) {
-+		port->open_count = 0;
-+		if (serial->type->owner)
-+			__MOD_DEC_USE_COUNT(serial->type->owner);
-+	}
-+
-+	up (&port->sem);
-+	return retval;
-+}
-+
-+static void __serial_close(struct usb_serial_port *port, struct file *filp)
-+{
-+	if (!port->open_count) {
-+		dbg ("%s - port not opened", __FUNCTION__);
-+		return;
-+	}
-+
-+	--port->open_count;
-+	if (port->open_count <= 0) {
-+		/* only call the device specific close if this 
-+		 * port is being closed by the last owner */
-+		if (port->serial->type->close)
-+			port->serial->type->close(port, filp);
-+		else
-+			//generic_close(port, filp);
-+			sw_usb_serial_generic_close(port, filp);
-+		port->open_count = 0;
-+	}
-+
-+	if (port->serial->type->owner)
-+		__MOD_DEC_USE_COUNT(port->serial->type->owner);
-+}
-+
-+static void serial_close(struct tty_struct *tty, struct file * filp)
-+{
-+	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
-+	struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
-+
-+	if (!serial)
-+		return;
-+
-+	down (&port->sem);
-+
-+	dbg("%s - port %d", __FUNCTION__, port->number);
-+
-+	/* if disconnect beat us to the punch here, there's nothing to do */
-+	if (tty->driver_data) {
-+		__serial_close(port, filp);
-+	}
-+
-+	up (&port->sem);
-+}
-+
-+static int serial_write (struct tty_struct * tty, int from_user, const unsigned char *buf, int count)
-+{
-+	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
-+	struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
-+	int retval = -EINVAL;
-+
-+	if (!serial)
-+		return -ENODEV;
-+
-+	down (&port->sem);
-+
-+	dbg("%s - port %d, %d byte(s)", __FUNCTION__, port->number, count);
-+
-+	if (!port->open_count) {
-+		dbg("%s - port not opened", __FUNCTION__);
-+		goto exit;
-+	}
-+
-+	/* pass on to the driver specific version of this function if it is available */
-+	if (serial->type->write)
-+		retval = serial->type->write(port, from_user, buf, count);
-+	else
-+		retval = generic_write(port, from_user, buf, count);
-+
-+exit:
-+	up (&port->sem);
-+	return retval;
-+}
-+
-+static int serial_write_room (struct tty_struct *tty) 
-+{
-+	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
-+	struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
-+	int retval = -EINVAL;
-+
-+	if (!serial)
-+		return -ENODEV;
-+
-+	down (&port->sem);
-+
-+	dbg("%s - port %d", __FUNCTION__, port->number);
-+
-+	if (!port->open_count) {
-+		dbg("%s - port not open", __FUNCTION__);
-+		goto exit;
-+	}
-+
-+	/* pass on to the driver specific version of this function if it is available */
-+	if (serial->type->write_room)
-+		retval = serial->type->write_room(port);
-+	else
-+		retval = generic_write_room(port);
-+
-+exit:
-+	up (&port->sem);
-+	return retval;
-+}
-+
-+static int serial_chars_in_buffer (struct tty_struct *tty) 
-+{
-+	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
-+	struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
-+	int retval = -EINVAL;
-+
-+	if (!serial)
-+		return -ENODEV;
-+
-+	down (&port->sem);
-+
-+	dbg("%s = port %d", __FUNCTION__, port->number);
-+
-+	if (!port->open_count) {
-+		dbg("%s - port not open", __FUNCTION__);
-+		goto exit;
-+	}
-+
-+	/* pass on to the driver specific version of this function if it is available */
-+	if (serial->type->chars_in_buffer)
-+		retval = serial->type->chars_in_buffer(port);
-+	else
-+		retval = generic_chars_in_buffer(port);
-+
-+exit:
-+	up (&port->sem);
-+	return retval;
-+}
-+
-+static void serial_throttle (struct tty_struct * tty)
-+{
-+	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
-+	struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
-+
-+	if (!serial)
-+		return;
-+
-+	down (&port->sem);
-+
-+	dbg("%s - port %d", __FUNCTION__, port->number);
-+
-+	if (!port->open_count) {
-+		dbg ("%s - port not open", __FUNCTION__);
-+		goto exit;
-+	}
-+
-+	/* pass on to the driver specific version of this function */
-+	if (serial->type->throttle)
-+		serial->type->throttle(port);
-+
-+exit:
-+	up (&port->sem);
-+}
-+
-+static void serial_unthrottle (struct tty_struct * tty)
-+{
-+	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
-+	struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
-+
-+	if (!serial)
-+		return;
-+
-+	down (&port->sem);
-+
-+	dbg("%s - port %d", __FUNCTION__, port->number);
-+
-+	if (!port->open_count) {
-+		dbg("%s - port not open", __FUNCTION__);
-+		goto exit;
-+	}
-+
-+	/* pass on to the driver specific version of this function */
-+	if (serial->type->unthrottle)
-+		serial->type->unthrottle(port);
-+
-+exit:
-+	up (&port->sem);
-+}
-+
-+static int serial_ioctl (struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg)
-+{
-+	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
-+	struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
-+	int retval = -ENODEV;
-+
-+	if (!serial)
-+		return -ENODEV;
-+
-+	down (&port->sem);
-+
-+	dbg("%s - port %d, cmd 0x%.4x", __FUNCTION__, port->number, cmd);
-+
-+	if (!port->open_count) {
-+		dbg ("%s - port not open", __FUNCTION__);
-+		goto exit;
-+	}
-+
-+	/* pass on to the driver specific version of this function if it is available */
-+	if (serial->type->ioctl)
-+		retval = serial->type->ioctl(port, file, cmd, arg);
-+	else
-+		retval = -ENOIOCTLCMD;
-+
-+exit:
-+	up (&port->sem);
-+	return retval;
-+}
-+
-+static void serial_set_termios (struct tty_struct *tty, struct termios * old)
-+{
-+	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
-+	struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
-+
-+	if (!serial)
-+		return;
-+
-+	down (&port->sem);
-+
-+	dbg("%s - port %d", __FUNCTION__, port->number);
-+
-+	if (!port->open_count) {
-+		dbg("%s - port not open", __FUNCTION__);
-+		goto exit;
-+	}
-+
-+	/* pass on to the driver specific version of this function if it is available */
-+	if (serial->type->set_termios)
-+		serial->type->set_termios(port, old);
-+
-+exit:
-+	up (&port->sem);
-+}
-+
-+static void serial_break (struct tty_struct *tty, int break_state)
-+{
-+	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
-+	struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
-+
-+	if (!serial)
-+		return;
-+
-+	down (&port->sem);
-+
-+	dbg("%s - port %d", __FUNCTION__, port->number);
-+
-+	if (!port->open_count) {
-+		dbg("%s - port not open", __FUNCTION__);
-+		goto exit;
-+	}
-+
-+	/* pass on to the driver specific version of this function if it is available */
-+	if (serial->type->break_ctl)
-+		serial->type->break_ctl(port, break_state);
-+
-+exit:
-+	up (&port->sem);
-+}
-+#if 0
-+static void serial_shutdown (struct usb_serial *serial)
-+{
-+	dbg ("%s", __FUNCTION__);
-+
-+	if (serial->type->shutdown)
-+		serial->type->shutdown(serial);
-+	else
-+		generic_shutdown(serial);
-+}
-+#endif
-+static int serial_read_proc (char *page, char **start, off_t off, int count, int *eof, void *data)
-+{
-+	struct usb_serial *serial;
-+	int length = 0;
-+	int i;
-+	off_t begin = 0;
-+	char tmp[40];
-+
-+	dbg("%s", __FUNCTION__);
-+	length += sprintf (page, "usbserinfo:1.0 driver:%s\n", DRIVER_VERSION);
-+	for (i = 0; i < SERIAL_TTY_MINORS && length < PAGE_SIZE; ++i) {
-+		serial = get_serial_by_minor(i);
-+		if (serial == NULL)
-+			continue;
-+
-+		length += sprintf (page+length, "%d:", i);
-+		if (serial->type->owner)
-+			length += sprintf (page+length, " module:%s", serial->type->owner->name);
-+		length += sprintf (page+length, " name:\"%s\"", serial->type->name);
-+		length += sprintf (page+length, " vendor:%04x product:%04x", serial->vendor, serial->product);
-+		length += sprintf (page+length, " num_ports:%d", serial->num_ports);
-+		length += sprintf (page+length, " port:%d", i - serial->minor + 1);
-+
-+		usb_make_path(serial->dev, tmp, sizeof(tmp));
-+		length += sprintf (page+length, " path:%s", tmp);
-+			
-+		length += sprintf (page+length, "\n");
-+		if ((length + begin) > (off + count))
-+			goto done;
-+		if ((length + begin) < off) {
-+			begin += length;
-+			length = 0;
-+		}
-+	}
-+	*eof = 1;
-+done:
-+	if (off >= (length + begin))
-+		return 0;
-+	*start = page + (off-begin);
-+	return ((count < begin+length-off) ? count : begin+length-off);
-+}
-+
-+
-+/*-----------------------------------------------------------*/
-+static int generic_write (struct usb_serial_port *port, int from_user, const unsigned char *buf, int count)
-+{
-+        struct usb_serial *serial = port->serial;
-+        int result;
-+
-+        dbg("%s - port %d", __FUNCTION__, port->number);
-+
-+        if (count == 0) {
-+                dbg("%s - write request of 0 bytes", __FUNCTION__);
-+                return (0);
-+        }
-+
-+        /* only do something if we have a bulk out endpoint */
-+        if (serial->num_bulk_out) {
-+                if (port->write_urb->status == -EINPROGRESS) {
-+                        dbg("%s - already writing", __FUNCTION__);
-+                        return (0);
-+                }
-+
-+                count = (count > port->bulk_out_size) ? port->bulk_out_size : count;
-+
-+                if (from_user) {
-+                        if (copy_from_user(port->write_urb->transfer_buffer, buf, count))
-+                                return -EFAULT;
-+                }
-+                else {
-+                        memcpy (port->write_urb->transfer_buffer, buf, count);
-+                }
-+
-+                usb_serial_debug_data (__FILE__, __FUNCTION__, count, port->write_urb->transfer_buffer);
-+
-+                /* set up our urb */
-+                usb_fill_bulk_urb (port->write_urb, serial->dev,
-+                                   usb_sndbulkpipe (serial->dev,
-+                                                    port->bulk_out_endpointAddress),
-+                                   port->write_urb->transfer_buffer, count,
-+                                   ((serial->type->write_bulk_callback) ?
-+                                     serial->type->write_bulk_callback :
-+                                     generic_write_bulk_callback), port);
-+
-+                /* send the data out the bulk port */
-+                result = usb_submit_urb(port->write_urb);
-+                if (result)
-+                        err("%s - failed submitting write urb, error %d", __FUNCTION__, result);
-+                else
-+                        result = count;
-+
-+                return result;
-+        }
-+
-+        /* no bulk out, so return 0 bytes written */
-+        return (0);
-+}
-+
-+static int generic_write_room (struct usb_serial_port *port)
-+{
-+        struct usb_serial *serial = port->serial;
-+        int room = 0;
-+
-+        dbg("%s - port %d", __FUNCTION__, port->number);
-+
-+        if (serial->num_bulk_out) {
-+                if (port->write_urb->status != -EINPROGRESS)
-+                        room = port->bulk_out_size;
-+        }
-+
-+        dbg("%s - returns %d", __FUNCTION__, room);
-+        return (room);
-+}
-+
-+static int generic_chars_in_buffer (struct usb_serial_port *port)
-+{
-+        struct usb_serial *serial = port->serial;
-+        int chars = 0;
-+
-+        dbg("%s - port %d", __FUNCTION__, port->number);
-+
-+        if (serial->num_bulk_out) {
-+                if (port->write_urb->status == -EINPROGRESS)
-+                        chars = port->write_urb->transfer_buffer_length;
-+        }
-+
-+        dbg("%s - returns %d", __FUNCTION__, chars);
-+        return (chars);
-+}
-+#if 0
-+static void generic_shutdown (struct usb_serial *serial)
-+{
-+        int i;
-+
-+        dbg("%s", __FUNCTION__);
-+
-+        /* stop reads and writes on all ports */
-+        for (i=0; i < serial->num_ports; ++i) {
-+                generic_cleanup (&serial->port[i]);
-+        }
-+}
-+static void generic_cleanup (struct usb_serial_port *port)
-+{
-+        struct usb_serial *serial = port->serial;
-+
-+        dbg("%s - port %d", __FUNCTION__, port->number);
-+
-+        if (serial->dev) {
-+                /* shutdown any bulk reads that might be going on */
-+                if (serial->num_bulk_out)
-+                        usb_unlink_urb (port->write_urb);
-+                if (serial->num_bulk_in)
-+                        usb_unlink_urb (port->read_urb);
-+        }
-+}
-+#endif
-+/*----------------------------------------------------------*/
-+static void generic_write_bulk_callback (struct urb *urb)
-+{
-+        struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
-+        struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
-+
-+        dbg("%s - port %d", __FUNCTION__, port->number);
-+
-+        if (!serial) {
-+                dbg("%s - bad serial pointer, exiting", __FUNCTION__);
-+                return;
-+        }
-+
-+        if (urb->status) {
-+                dbg("%s - nonzero write bulk status received: %d", __FUNCTION__, urb->status);
-+                return;
-+        }
-+
-+        queue_task(&port->tqueue, &tq_immediate);
-+        mark_bh(IMMEDIATE_BH);
-+
-+        return;
-+}
-+
-+static struct usb_serial *get_free_serial (int num_ports, int *minor)
-+{
-+        struct usb_serial *serial = NULL;
-+        int i, j;
-+        int good_spot;
-+
-+        dbg("%s %d", __FUNCTION__, num_ports);
-+
-+        *minor = 0;
-+        for (i = 0; i < SERIAL_TTY_MINORS; ++i) {
-+                if (serial_table[i])
-+                        continue;
-+
-+                good_spot = 1;
-+                for (j = 1; j <= num_ports-1; ++j)
-+                        if (serial_table[i+j])
-+                                good_spot = 0;
-+                if (good_spot == 0)
-+                        continue;
-+
-+                if (!(serial = kmalloc(sizeof(struct usb_serial), GFP_KERNEL))) {
-+                        err("%s - Out of memory", __FUNCTION__);
-+                        return NULL;
-+                }
-+                memset(serial, 0, sizeof(struct usb_serial));
-+                serial->magic = USB_SERIAL_MAGIC;
-+                serial_table[i] = serial;
-+                *minor = i;
-+                dbg("%s - minor base = %d", __FUNCTION__, *minor);
-+                for (i = *minor+1; (i < (*minor + num_ports)) && (i < SERIAL_TTY_MINORS); ++i)
-+                        serial_table[i] = serial;
-+                return serial;
-+        }
-+        return NULL;
-+}
-+
-+static void return_serial (struct usb_serial *serial)
-+{
-+        int i;
-+
-+        dbg("%s", __FUNCTION__);
-+
-+        if (serial == NULL)
-+                return;
-+
-+        for (i = 0; i < serial->num_ports; ++i) {
-+                serial_table[serial->minor + i] = NULL;
-+        }
-+
-+        return;
-+}
-+
-+static void port_softint(void *private)
-+{
-+        struct usb_serial_port *port = (struct usb_serial_port *)private;
-+        struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
-+        struct tty_struct *tty;
-+
-+        dbg("%s - port %d", __FUNCTION__, port->number);
-+
-+        if (!serial)
-+                return;
-+
-+        tty = port->tty;
-+        if (!tty)
-+                return;
-+
-+        if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) && tty->ldisc.write_wakeup) {
-+                dbg("%s - write wakeup call.", __FUNCTION__);
-+                (tty->ldisc.write_wakeup)(tty);
-+        }
-+
-+        wake_up_interruptible(&tty->write_wait);
-+}
-+
-+
-+static void * usb_serial_probe(struct usb_device *dev, unsigned int ifnum,
-+                               const struct usb_device_id *id)
-+{
-+        struct usb_serial *serial = NULL;
-+        struct usb_serial_port *port;
-+        struct usb_interface *interface;
-+        struct usb_interface_descriptor *iface_desc;
-+        struct usb_endpoint_descriptor *endpoint;
-+        struct usb_endpoint_descriptor *interrupt_in_endpoint[MAX_NUM_PORTS];
-+        struct usb_endpoint_descriptor *bulk_in_endpoint[MAX_NUM_PORTS];
-+        struct usb_endpoint_descriptor *bulk_out_endpoint[MAX_NUM_PORTS];
-+        struct usb_serial_device_type *type = NULL;
-+        struct list_head *tmp;
-+        int found;
-+        int minor;
-+        int buffer_size;
-+        int i;
-+        int num_interrupt_in = 0;
-+        int num_bulk_in = 0;
-+        int num_bulk_out = 0;
-+        int num_ports;
-+        int max_endpoints;
-+        const struct usb_device_id *id_pattern = NULL;
-+
-+        /* loop through our list of known serial converters, and see if this
-+           device matches. */
-+        found = 0;
-+        interface = &dev->actconfig->interface[ifnum];
-+        list_for_each (tmp, &usb_serial_driver_list) {
-+                type = list_entry(tmp, struct usb_serial_device_type, driver_list);
-+                id_pattern = usb_match_id(dev, interface, type->id_table);
-+                if (id_pattern != NULL) {
-+                        dbg("descriptor matches");
-+                        found = 1;
-+                        break;
-+                }
-+        }
-+        if (!found) {
-+                /* no match */
-+                dbg("none matched");
-+                return(NULL);
-+        }
-+        /* descriptor matches, let's find the endpoints needed */
-+        /* check out the endpoints */
-+        iface_desc = &interface->altsetting[0];
-+        for (i = 0; i < iface_desc->bNumEndpoints; ++i) {
-+                endpoint = &iface_desc->endpoint[i];
-+
-+                if ((endpoint->bEndpointAddress & 0x80) &&
-+                    ((endpoint->bmAttributes & 3) == 0x02)) {
-+                        /* we found a bulk in endpoint */
-+                        dbg("found bulk in");
-+                        bulk_in_endpoint[num_bulk_in] = endpoint;
-+                        ++num_bulk_in;
-+                }
-+
-+                if (((endpoint->bEndpointAddress & 0x80) == 0x00) &&
-+                    ((endpoint->bmAttributes & 3) == 0x02)) {
-+                        /* we found a bulk out endpoint */
-+                        dbg("found bulk out");
-+                        bulk_out_endpoint[num_bulk_out] = endpoint;
-+                        ++num_bulk_out;
-+                }
-+
-+                if ((endpoint->bEndpointAddress & 0x80) &&
-+                    ((endpoint->bmAttributes & 3) == 0x03)) {
-+                        /* we found a interrupt in endpoint */
-+                        dbg("found interrupt in");
-+                        interrupt_in_endpoint[num_interrupt_in] = endpoint;
-+                        ++num_interrupt_in;
-+                }
-+        }
-+
-+#if defined(CONFIG_USB_SERIAL_PL2303) || defined(CONFIG_USB_SERIAL_PL2303_MODULE)
-+        /* BEGIN HORRIBLE HACK FOR PL2303 */
-+        /* this is needed due to the looney way its endpoints are set up */
-+        if (((dev->descriptor.idVendor == PL2303_VENDOR_ID) &&
-+             (dev->descriptor.idProduct == PL2303_PRODUCT_ID)) ||
-+            ((dev->descriptor.idVendor == ATEN_VENDOR_ID) &&
-+             (dev->descriptor.idProduct == ATEN_PRODUCT_ID))) {
-+                if (ifnum == 1) {
-+                        /* check out the endpoints of the other interface*/
-+                        interface = &dev->actconfig->interface[ifnum ^ 1];
-+                        iface_desc = &interface->altsetting[0];
-+                        for (i = 0; i < iface_desc->bNumEndpoints; ++i) {
-+                                endpoint = &iface_desc->endpoint[i];
-+                                if ((endpoint->bEndpointAddress & 0x80) &&
-+                                    ((endpoint->bmAttributes & 3) == 0x03)) {
-+                                        /* we found a interrupt in endpoint */
-+                                        dbg("found interrupt in for Prolific device on separate interface");
-+                                        interrupt_in_endpoint[num_interrupt_in] = endpoint;
-+                                        ++num_interrupt_in;
-+                                }
-+                        }
-+                }
-+
-+                /* Now make sure the PL-2303 is configured correctly.
-+                 * If not, give up now and hope this hack will work
-+                 * properly during a later invocation of usb_serial_probe
-+                 */
-+                if (num_bulk_in == 0 || num_bulk_out == 0) {
-+                        info("PL-2303 hack: descriptors matched but endpoints did not");
-+                        return NULL;
-+                }
-+        }
-+        /* END HORRIBLE HACK FOR PL2303 */
-+#endif
-+
-+        /* found all that we need */
-+        info("%s converter detected", type->name);
-+
-+#ifdef CONFIG_USB_SERIAL_SIERRAWIRELESS
-+        if (type == &sierra_driver) {
-+                num_ports = num_bulk_out;
-+                if (num_ports == 0) {
-+                        err("Sierra 3G device with no bulk out, not allowed.");
-+                        return NULL;
-+                }
-+        } else
-+#endif
-+                num_ports = type->num_ports;
-+
-+        serial = get_free_serial (num_ports, &minor);
-+        if (serial == NULL) {
-+                err("No more free serial devices");
-+                return NULL;
-+        }
-+
-+        serial->dev = dev;
-+        serial->type = type;
-+        serial->interface = interface;
-+        serial->minor = minor;
-+        serial->num_ports = num_ports;
-+        serial->num_bulk_in = num_bulk_in;
-+        serial->num_bulk_out = num_bulk_out;
-+        serial->num_interrupt_in = num_interrupt_in;
-+        serial->vendor = dev->descriptor.idVendor;
-+        serial->product = dev->descriptor.idProduct;
-+
-+        /* set up the endpoint information */
-+        for (i = 0; i < num_bulk_in; ++i) {
-+                endpoint = bulk_in_endpoint[i];
-+                port = &serial->port[i];
-+                port->read_urb = usb_alloc_urb (0);
-+                if (!port->read_urb) {
-+                        err("No free urbs available");
-+                        goto probe_error;
-+                }
-+//Amin marked           buffer_size = endpoint->wMaxPacketSize;
-+// ===> 20060310 Amin modify for improve EVDO and HSDPA Card
-+                buffer_size = 2048;
-+                printk("KERNEL DEBUG => USBSERIAL.O buffer_size = 2048\n");
-+// <=== 20060310 Amin modify for improve EVDO and HSDPA Card
-+                port->bulk_in_endpointAddress = endpoint->bEndpointAddress;
-+                port->bulk_in_buffer = kmalloc (buffer_size, GFP_KERNEL);
-+                if (!port->bulk_in_buffer) {
-+                        err("Couldn't allocate bulk_in_buffer");
-+                        goto probe_error;
-+                }
-+                usb_fill_bulk_urb (port->read_urb, dev,
-+                                   usb_rcvbulkpipe (dev,
-+                                                    endpoint->bEndpointAddress),
-+                                   port->bulk_in_buffer, buffer_size,
-+                                   ((serial->type->read_bulk_callback) ?
-+                                     serial->type->read_bulk_callback :
-+                                     sw_usb_serial_generic_read_bulk_callback),
-+                                   port);
-+        }
-+
-+        for (i = 0; i < num_bulk_out; ++i) {
-+                endpoint = bulk_out_endpoint[i];
-+                port = &serial->port[i];
-+                port->write_urb = usb_alloc_urb(0);
-+                if (!port->write_urb) {
-+                        err("No free urbs available");
-+                        goto probe_error;
-+                }
-+                buffer_size = endpoint->wMaxPacketSize;
-+                port->bulk_out_size = buffer_size;
-+                port->bulk_out_endpointAddress = endpoint->bEndpointAddress;
-+                port->bulk_out_buffer = kmalloc (buffer_size, GFP_KERNEL);
-+                if (!port->bulk_out_buffer) {
-+                        err("Couldn't allocate bulk_out_buffer");
-+                        goto probe_error;
-+                }
-+                usb_fill_bulk_urb (port->write_urb, dev,
-+                                   usb_sndbulkpipe (dev,
-+                                                    endpoint->bEndpointAddress),
-+                                   port->bulk_out_buffer, buffer_size,
-+                                   ((serial->type->write_bulk_callback) ?
-+                                     serial->type->write_bulk_callback :
-+                                     generic_write_bulk_callback),
-+                                   port);
-+        }
-+
-+        for (i = 0; i < num_interrupt_in; ++i) {
-+                endpoint = interrupt_in_endpoint[i];
-+                port = &serial->port[i];
-+                port->interrupt_in_urb = usb_alloc_urb(0);
-+                if (!port->interrupt_in_urb) {
-+                        err("No free urbs available");
-+                        goto probe_error;
-+                }
-+                buffer_size = endpoint->wMaxPacketSize;
-+                port->interrupt_in_endpointAddress = endpoint->bEndpointAddress;
-+                port->interrupt_in_buffer = kmalloc (buffer_size, GFP_KERNEL);
-+                if (!port->interrupt_in_buffer) {
-+                        err("Couldn't allocate interrupt_in_buffer");
-+                        goto probe_error;
-+                }
-+                usb_fill_int_urb (port->interrupt_in_urb, dev,
-+                                  usb_rcvintpipe (dev,
-+                                                  endpoint->bEndpointAddress),
-+                                  port->interrupt_in_buffer, buffer_size,
-+                                  serial->type->read_int_callback, port,
-+                                  endpoint->bInterval);
-+        }
-+
-+        /* initialize some parts of the port structures */
-+        /* we don't use num_ports here cauz some devices have more endpoint pairs than ports */
-+        max_endpoints = max(num_bulk_in, num_bulk_out);
-+        max_endpoints = max(max_endpoints, num_interrupt_in);
-+        max_endpoints = max(max_endpoints, (int)serial->num_ports);
-+        dbg("%s - setting up %d port structures for this device", __FUNCTION__, max_endpoints);
-+        for (i = 0; i < max_endpoints; ++i) {
-+                port = &serial->port[i];
-+                port->number = i + serial->minor;
-+                port->serial = serial;
-+                port->magic = USB_SERIAL_PORT_MAGIC;
-+                port->tqueue.routine = port_softint;
-+                port->tqueue.data = port;
-+                init_MUTEX (&port->sem);
-+        }
-+
-+        /* if this device type has a startup function, call it */
-+        if (type->startup) {
-+                i = type->startup (serial);
-+                if (i < 0)
-+                        goto probe_error;
-+                if (i > 0)
-+                        return serial;
-+        }
-+
-+        /* initialize the devfs nodes for this device and let the user know what ports we are bound to */
-+        for (i = 0; i < serial->num_ports; ++i) {
-+                tty_register_devfs (&serial_tty_driver, 0, serial->port[i].number);
-+                info("%s converter now attached to ttyUSB%d (or usb/tts/%d for devfs)",
-+                     type->name, serial->port[i].number, serial->port[i].number);
-+        }
-+
-+        return serial; /* success */
-+
-+
-+probe_error:
-+        for (i = 0; i < num_bulk_in; ++i) {
-+                port = &serial->port[i];
-+                if (port->read_urb)
-+                        usb_free_urb (port->read_urb);
-+                if (port->bulk_in_buffer)
-+                        kfree (port->bulk_in_buffer);
-+        }
-+        for (i = 0; i < num_bulk_out; ++i) {
-+                port = &serial->port[i];
-+                if (port->write_urb)
-+                        usb_free_urb (port->write_urb);
-+                if (port->bulk_out_buffer)
-+                        kfree (port->bulk_out_buffer);
-+        }
-+        for (i = 0; i < num_interrupt_in; ++i) {
-+                port = &serial->port[i];
-+                if (port->interrupt_in_urb)
-+                        usb_free_urb (port->interrupt_in_urb);
-+                if (port->interrupt_in_buffer)
-+                        kfree (port->interrupt_in_buffer);
-+        }
-+
-+        /* return the minor range that this device had */
-+        return_serial (serial);
-+
-+        /* free up any memory that we allocated */
-+        kfree (serial);
-+        return NULL;
-+}
-+
-+static void usb_serial_disconnect(struct usb_device *dev, void *ptr)
-+{
-+        struct usb_serial *serial = (struct usb_serial *) ptr;
-+        struct usb_serial_port *port;
-+        int i;
-+
-+        dbg ("%s", __FUNCTION__);
-+        if (serial) {
-+                /* fail all future close/read/write/ioctl/etc calls */
-+                for (i = 0; i < serial->num_ports; ++i) {
-+                        port = &serial->port[i];
-+                        down (&port->sem);
-+                        if (port->tty != NULL) {
-+                                while (port->open_count > 0) {
-+                                        //__serial_close(port, NULL);
-+					sw_usb_serial_generic_close(port,NULL);
-+                                }
-+                                port->tty->driver_data = NULL;
-+                        }
-+                        up (&port->sem);
-+                }
-+
-+                serial->dev = NULL;
-+                //serial_shutdown (serial);
-+		sw_usb_serial_generic_shutdown(serial);
-+
-+                for (i = 0; i < serial->num_ports; ++i)
-+                        serial->port[i].open_count = 0;
-+
-+                for (i = 0; i < serial->num_bulk_in; ++i) {
-+                        port = &serial->port[i];
-+                        if (port->read_urb) {
-+                                usb_unlink_urb (port->read_urb);
-+                                usb_free_urb (port->read_urb);
-+                        }
-+                        if (port->bulk_in_buffer)
-+                                kfree (port->bulk_in_buffer);
-+                }
-+                for (i = 0; i < serial->num_bulk_out; ++i) {
-+                        port = &serial->port[i];
-+                        if (port->write_urb) {
-+                                usb_unlink_urb (port->write_urb);
-+                                usb_free_urb (port->write_urb);
-+                        }
-+                        if (port->bulk_out_buffer)
-+                                kfree (port->bulk_out_buffer);
-+                }
-+                for (i = 0; i < serial->num_interrupt_in; ++i) {
-+                        port = &serial->port[i];
-+                        if (port->interrupt_in_urb) {
-+                                usb_unlink_urb (port->interrupt_in_urb);
-+                                usb_free_urb (port->interrupt_in_urb);
-+                        }
-+                        if (port->interrupt_in_buffer)
-+                                kfree (port->interrupt_in_buffer);
-+                }
-+
-+                for (i = 0; i < serial->num_ports; ++i) {
-+                        tty_unregister_devfs (&serial_tty_driver, serial->port[i].number);
-+                        info("%s converter now disconnected from ttyUSB%d", serial->type->name, serial->port[i].number);
-+                }
-+
-+                /* return the minor range that this device had */
-+                return_serial (serial);
-+
-+                /* free up any memory that we allocated */
-+                kfree (serial);
-+
-+        } else {
-+                info("device disconnected");
-+        }
-+
-+}
-+
-+#if 0
-+static int sw_attach(struct usb_serial *serial)
-+{
-+	struct usb_device *hdev = serial->dev;
-+	int rc;
-+
-+	dbg("%s - serial(0x%p)", __FUNCTION__, serial);
-+	
-+	rc = usb_control_msg(
-+		hdev, 
-+		usb_sndctrlpipe(hdev, 0),
-+		USB_VENDER_REQUEST_SET_DEVICE_POWER_STATE,	/* bRequest */ 
-+		USB_TYPE_VENDOR|USB_RECIP_DEVICE, 		/* bmRequestType */
-+		USB_DEVICE_POWER_STATE_D0, 			/* wValue */
-+		0,						/* wIndex */
-+		NULL, 						/* Data */
-+		0, 						/* wLength */
-+		1000);						/* Timeout */
-+
-+	err("%s - rc(%d)", __FUNCTION__, rc);
-+	return rc;
-+}
-+#endif
-+//void sw_usb_serial_generic_read_bulk_callback (struct urb *urb, struct pt_regs *regs)
-+static void sw_usb_serial_generic_read_bulk_callback (struct urb *urb)
-+{
-+	struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
-+	struct usb_serial *serial = port->serial;
-+	struct tty_struct *tty;
-+	unsigned char *data = urb->transfer_buffer;
-+	int result;
-+	int i;
-+
-+	dbg("%s - port %d", __FUNCTION__, port->number);
-+
-+	if (urb->status) {
-+		dbg("%s - nonzero read bulk status received: %d", __FUNCTION__, urb->status);
-+		return;
-+	}
-+
-+	//usb_serial_dbg_data(__FILE__,  __FUNCTION__, urb->actual_length, data);
-+
-+	tty = port->tty;
-+	if (tty && urb->actual_length) {
-+	   #if 0
-+		tty_buffer_request_room(tty, urb->actual_length);
-+		tty_insert_flip_string(tty, data, urb->actual_length);
-+	  	tty_flip_buffer_push(tty);
-+           #endif
-+           #if 1
-+                for (i = 0; i < urb->actual_length ; ++i) {
-+                        /* if we insert more than TTY_FLIPBUF_SIZE characters, we drop them. */
-+                        if(tty->flip.count >= TTY_FLIPBUF_SIZE) {
-+                                tty_flip_buffer_push(tty);
-+                        }
-+                        /* this doesn't actually push the data through unless tty->low_latency is set */
-+                        tty_insert_flip_char(tty, data[i], 0);
-+                }
-+                tty_flip_buffer_push(tty);
-+           #endif
-+
-+	}
-+	else
-+		dbg("%s: empty read urb received", __FUNCTION__);
-+
-+	/* Continue trying to always read  */
-+	usb_fill_bulk_urb (port->read_urb, serial->dev,
-+			   usb_rcvbulkpipe (serial->dev,
-+				   	    port->bulk_in_endpointAddress),
-+			   port->read_urb->transfer_buffer,
-+			   port->read_urb->transfer_buffer_length,
-+			   ((serial->type->read_bulk_callback) ? 
-+			     serial->type->read_bulk_callback : 
-+			     sw_usb_serial_generic_read_bulk_callback), port);
-+	result = usb_submit_urb(port->read_urb);
-+        //result = usb_submit_urb(port->read_urb, GFP_ATOMIC); //for kernel 2.6
-+	if (result)
-+		dbg("%s - failed resubmitting read urb, error %d\n", __FUNCTION__, result);
-+}
-+#if 1
-+static int generic_open (struct usb_serial_port *port, struct file *filp)
-+{
-+	struct usb_serial *serial = port->serial;
-+	int result = 0;
-+
-+	dbg("%s - port %d", __FUNCTION__, port->number);
-+
-+	/* force low_latency on so that our tty_push actually forces the data through, 
-+	   otherwise it is scheduled, and with high data rates (like with OHCI) data
-+	   can get lost. */
-+	if (port->tty)
-+		port->tty->low_latency = 1;
-+
-+	/* if we have a bulk interrupt, start reading from it */
-+	if (serial->num_bulk_in) {
-+		/* Start reading from the device */
-+		usb_fill_bulk_urb (port->read_urb, serial->dev,
-+				   usb_rcvbulkpipe(serial->dev, port->bulk_in_endpointAddress),
-+				   port->read_urb->transfer_buffer,
-+				   port->read_urb->transfer_buffer_length,
-+				   ((serial->type->read_bulk_callback) ?
-+				     serial->type->read_bulk_callback :
-+				     sw_usb_serial_generic_read_bulk_callback),
-+				   port);
-+		result = usb_submit_urb(port->read_urb); //, GFP_KERNEL);
-+		if (result)
-+			//dev_err(&port->dev, "%s - failed resubmitting read urb, error %d\n", __FUNCTION__, result);
-+			dbg("%s - failed resubmitting read urb, error %d\n", __FUNCTION__, result);
-+
-+	}
-+
-+	return result;
-+}
-+#endif
-+int sw_usb_serial_generic_open (struct usb_serial_port *port, struct file *filp)
-+{
-+	int rc;
-+	struct usb_serial *serial = port->serial;
-+	struct usb_device *hdev = serial->dev;
-+
-+	dbg("%s - port %d", __FUNCTION__, port->number);
-+
-+	rc = generic_open(port, filp);
-+	err("%s - rc(%d)", __FUNCTION__, rc);
-+
-+	if(0 == rc)
-+	{
-+		rc = usb_control_msg(
-+			hdev, 
-+			usb_sndctrlpipe(hdev, 0),
-+			SET_CONTROL_LINE_STATE,				/* bRequest */ 
-+			USB_TYPE_CLASS|USB_RECIP_INTERFACE, 		/* bmRequestType */
-+			ACM_CTRL_DTR|ACM_CTRL_RTS,			/* wValue */
-+			0,						/* wIndex */
-+			NULL, 						/* Data */
-+			0, 						/* wLength */
-+			1000);						/* Timeout */
-+		err("%s - usb_control_msg: rc(%d)", __FUNCTION__, rc);
-+	}
-+
-+	return rc;
-+}
-+
-+static void generic_cleanup (struct usb_serial_port *port)
-+{
-+	struct usb_serial *serial = port->serial;
-+
-+	dbg("%s - port %d", __FUNCTION__, port->number);
-+
-+	if (serial->dev) {
-+		/* shutdown any bulk reads that might be going on */
-+		if (serial->num_bulk_out)
-+			usb_unlink_urb(port->write_urb);
-+			//usb_kill_urb(port->write_urb);
-+		if (serial->num_bulk_in)
-+			usb_unlink_urb(port->read_urb);
-+			//usb_kill_urb(port->read_urb);
-+	}
-+}
-+
-+static void sw_usb_serial_generic_close (struct usb_serial_port *port, struct file * filp)
-+{
-+	int rc;
-+	struct usb_serial *serial = port->serial;
-+	struct usb_device *hdev = serial->dev;
-+
-+	dbg("%s - port %d", __FUNCTION__, port->number);
-+
-+	rc = usb_control_msg(
-+		hdev, 
-+		usb_sndctrlpipe(hdev, 0),
-+		SET_CONTROL_LINE_STATE,				/* bRequest */ 
-+		USB_TYPE_CLASS|USB_RECIP_INTERFACE, 		/* bmRequestType */
-+		0, 						/* wValue */
-+		0,						/* wIndex */
-+		NULL, 						/* Data */
-+		0, 						/* wLength */
-+		1000);						/* Timeout */
-+	err("%s - rc(%d)", __FUNCTION__, rc);
-+	
-+	generic_cleanup (port);
-+}
-+
-+static void sw_usb_serial_generic_shutdown(struct usb_serial *serial)
-+{
-+	int i, rc;
-+	struct usb_device *hdev = serial->dev;
-+
-+	dbg("%s serial(0x%p)", __FUNCTION__, serial);
-+
-+	if(hdev)
-+	{
-+		rc = usb_control_msg(
-+			hdev, 
-+			usb_sndctrlpipe(hdev, 0),
-+			USB_VENDER_REQUEST_SET_DEVICE_POWER_STATE,	/* bRequest */ 
-+			USB_TYPE_VENDOR|USB_RECIP_DEVICE, 		/* bmRequestType */
-+			USB_DEVICE_POWER_STATE_D3, 			/* wValue */
-+			0,						/* wIndex */
-+			NULL, 						/* Data */
-+			0, 						/* wLength */
-+			1000);						/* Timeout */
-+		err("%s - rc(%d)", __FUNCTION__, rc);
-+	}
-+
-+	/* stop reads and writes on all ports */
-+	for (i=0; i < serial->num_ports; ++i) {
-+		generic_cleanup(&serial->port[i]);
-+	}
-+}
-+int usb_serial_register(struct usb_serial_device_type *new_device)
-+{
-+        /* Add this device to our list of devices */
-+        list_add(&new_device->driver_list, &usb_serial_driver_list);
-+
-+        info ("USB Serial support registered for %s", new_device->name);
-+
-+        usb_scan_devices();
-+
-+        return 0;
-+}
-+
-+
-+void usb_serial_deregister(struct usb_serial_device_type *device)
-+{
-+        struct usb_serial *serial;
-+        int i;
-+
-+        info("USB Serial deregistering driver %s", device->name);
-+
-+        /* clear out the serial_table if the device is attached to a port */
-+        for(i = 0; i < SERIAL_TTY_MINORS; ++i) {
-+                serial = serial_table[i];
-+                if ((serial != NULL) && (serial->type == device)) {
-+                        usb_driver_release_interface (&sierra_driver, serial->interface);
-+                        usb_serial_disconnect (NULL, serial);
-+                }
-+        }
-+
-+        list_del(&device->driver_list);
-+}
-+
-+static int __init sierra_init(void)
-+{
-+	int retval;
-+	int i;
-+
-+        /* Initalize our global data */
-+        for (i = 0; i < SERIAL_TTY_MINORS; ++i) {
-+                serial_table[i] = NULL;
-+        }
-+
-+        /* register the tty driver */
-+        serial_tty_driver.init_termios          = tty_std_termios;
-+        serial_tty_driver.init_termios.c_cflag  = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
-+        if (tty_register_driver (&serial_tty_driver)) {
-+                err("%s - failed to register tty driver", __FUNCTION__);
-+                return -1;
-+        }
-+
-+	retval = usb_serial_register(&sierra_device);
-+	if (retval)
-+	{
-+		tty_unregister_driver(&serial_tty_driver);
-+		printk("%s return usb_serial_register. retval=[%d].\n",__FUNCTION__, retval);
-+		return retval;
-+	}
-+	retval = usb_register(&sierra_driver);
-+        if (retval){
-+		usb_serial_deregister(&sierra_device);
-+                tty_unregister_driver(&serial_tty_driver);
-+                err("usb_register failed for the Sierra 3G USB-Serial driver. Error number %d\n", retval);
-+                return -1;
-+        }
-+
-+	return retval;
-+}
-+
-+static void __exit sierra_exit(void)
-+{
-+	usb_deregister(&sierra_driver);
-+	usb_serial_deregister(&sierra_device);
-+}
-+
-+module_init(sierra_init);
-+module_exit(sierra_exit);
-+MODULE_LICENSE("GPL");
-diff -Naur linux-2.4.35.4-old/drivers/usb/serial/sierra.h linux-2.4.35.4/drivers/usb/serial/sierra.h
---- linux-2.4.35.4-old/drivers/usb/serial/sierra.h	1969-12-31 17:00:00.000000000 -0700
-+++ linux-2.4.35.4/drivers/usb/serial/sierra.h	2008-01-25 10:15:35.640743578 -0700
-@@ -0,0 +1,32 @@
-+/*
-+ * Sierra Wireless CDMA Wireless Serial USB drive
-+ * 
-+ * Current Copy modified by: Kevin Lloyd <linux@sierrawireless.com>
-+ * Original Copy written by: 2005 Greg Kroah-Hartman <gregkh <at> 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.
-+ *
-+ * Version history:
-+  Version 1.03 (Lloyd):
-+  Included support for DTR control and enhanced buffering (should help
-+  speed).
-+ */
-+
-+#define USB_VENDER_REQUEST_SET_DEVICE_POWER_STATE 0
-+
-+#define USB_DEVICE_POWER_STATE_D0       0x0000
-+#define USB_DEVICE_POWER_STATE_D1       0x0001
-+#define USB_DEVICE_POWER_STATE_D2       0x0002
-+#define USB_DEVICE_POWER_STATE_D3       0x0003
-+
-+#define SET_CONTROL_LINE_STATE          0x22
-+/*
-+ * Output control lines.
-+ */
-+
-+#define ACM_CTRL_DTR            0x01
-+#define ACM_CTRL_RTS            0x02
-+
diff --git a/target/linux/brcm-2.4/patches/015-sierra_kconfig.patch b/target/linux/brcm-2.4/patches/015-sierra_kconfig.patch
index ca9bf4a..ed31619 100644
--- a/target/linux/brcm-2.4/patches/015-sierra_kconfig.patch
+++ b/target/linux/brcm-2.4/patches/015-sierra_kconfig.patch
@@ -20,25 +20,3 @@ diff -Naur linux-2.4.35.4.orig/drivers/usb/serial/Makefile linux-2.4.35.4/driver
  
  # Objects that export symbols.
  export-objs	:= usbserial.o
-diff -Naur linux-2.4.35.4.orig/drivers/usb/serial/Config.in linux-2.4.35.4/drivers/usb/serial/Config.in
---- linux-2.4.35.4.orig/drivers/usb/serial/Config.in	2008-01-25 10:09:11.541747549 -0700
-+++ linux-2.4.35.4/drivers/usb/serial/Config.in	2008-01-25 10:17:01.890745265 -0700
-@@ -39,6 +39,7 @@
-    dep_tristate '  USB KOBIL chipcard reader (EXPERIMENTAL)' CONFIG_USB_SERIAL_KOBIL_SCT $CONFIG_USB_SERIAL $CONFIG_EXPERIMENTAL
-    dep_tristate '  USB Prolific 2303 Single Port Serial Driver' CONFIG_USB_SERIAL_PL2303 $CONFIG_USB_SERIAL
-    dep_tristate '  USB REINER SCT cyberJack pinpad/e-com chipcard reader (EXPERIMENTAL)' CONFIG_USB_SERIAL_CYBERJACK $CONFIG_USB_SERIAL $CONFIG_EXPERIMENTAL
-+   dep_tristate '  USB Sierra Wireless Driver' CONFIG_USB_SERIAL_SIERRAWIRELESS $CONFIG_USB_SERIAL
-    dep_tristate '  USB Xircom / Entregra Single Port Serial Driver (EXPERIMENTAL)' CONFIG_USB_SERIAL_XIRCOM $CONFIG_USB_SERIAL $CONFIG_EXPERIMENTAL
-    dep_tristate '  USB ZyXEL omni.net LCD Plus Driver (EXPERIMENTAL)' CONFIG_USB_SERIAL_OMNINET $CONFIG_USB_SERIAL $CONFIG_EXPERIMENTAL
- fi
-diff -Naur linux-2.4.35.4.orig/drivers/usb/serial/Makefile linux-2.4.35.4/drivers/usb/serial/Makefile
---- linux-2.4.35.4.orig/drivers/usb/serial/Makefile	2008-01-25 10:09:11.542749582 -0700
-+++ linux-2.4.35.4/drivers/usb/serial/Makefile	2008-01-25 10:17:37.412855271 -0700
-@@ -26,6 +26,7 @@
- obj-$(CONFIG_USB_SERIAL_IR)			+= ir-usb.o
- obj-$(CONFIG_USB_SERIAL_KLSI)			+= kl5kusb105.o
- obj-$(CONFIG_USB_SERIAL_KOBIL_SCT)		+= kobil_sct.o
-+obj-$(CONFIG_USB_SERIAL_SIERRAWIRELESS)	+= sierra.o
- 
- # Objects that export symbols.
- export-objs	:= usbserial.o