-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
-+
projects / openwrt.git / blobdiff