Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (148 commits)
  USB: serial: fix stalled writes
  USB: remove fake "address-of" expressions
  USB: fix thread-unsafe anchor utiliy routines
  USB: usbtest: support test device with only one iso-in or iso-out endpoint
  USB: usbtest: avoid to free coherent buffer in atomic context
  USB: xhci: Set DMA mask for host.
  USB: xhci: Don't flush doorbell writes.
  USB: xhci: Reduce reads and writes of interrupter registers.
  USB: xhci: Make xhci_set_hc_event_deq() static.
  USB: xhci: Minimize HW event ring dequeue pointer writes.
  USB: xhci: Make xhci_handle_event() static.
  USB: xhci: Remove unnecessary reads of IRQ_PENDING register.
  USB: xhci: Performance - move xhci_work() into xhci_irq()
  USB: xhci: Performance - move interrupt handlers into xhci-ring.c
  USB: xhci: Performance - move functions that find ep ring.
  USB:: fix linux/usb.h kernel-doc warnings
  USB: add USB serial ssu100 driver
  USB: usb-storage: implement autosuspend
  USB: ehci: fix remove of ehci debugfs dir
  USB: Add USB 2.0 to ssb ohci driver
  ...

1 files changed, 185 insertions, 186 deletions

diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 84f9e52327f2..e325162859b0 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -135,7 +135,7 @@ MFG:HEWLETT-PACKARD;MDL:DESKJET 970C;CMD:MLC,PCL,PML;CLASS:PRINTER;DESCRIPTION:H
  * ->lock locks what interrupt accesses.
  */
 struct usblp {
-        struct usb_device       *dev;                   /* USB device */
+        struct usb_device       *dev;                   /* USB device */
         struct mutex            wmut;
         struct mutex            mut;
         spinlock_t              lock;           /* locks rcomplete, wcomplete */
@@ -169,7 +169,8 @@ struct usblp {
 };
 
 #ifdef DEBUG
-static void usblp_dump(struct usblp *usblp) {
+static void usblp_dump(struct usblp *usblp)
+{
         int p;
 
         dbg("usblp=0x%p", usblp);
@@ -216,8 +217,8 @@ static const struct quirk_printer_struct quirk_printers[] = {
         { 0x03f0, 0x0304, USBLP_QUIRK_BIDIR }, /* HP DeskJet 810C/812C */
         { 0x03f0, 0x0404, USBLP_QUIRK_BIDIR }, /* HP DeskJet 830C */
         { 0x03f0, 0x0504, USBLP_QUIRK_BIDIR }, /* HP DeskJet 885C */
-        { 0x03f0, 0x0604, USBLP_QUIRK_BIDIR }, /* HP DeskJet 840C */   
-        { 0x03f0, 0x0804, USBLP_QUIRK_BIDIR }, /* HP DeskJet 816C */   
+        { 0x03f0, 0x0604, USBLP_QUIRK_BIDIR }, /* HP DeskJet 840C */
+        { 0x03f0, 0x0804, USBLP_QUIRK_BIDIR }, /* HP DeskJet 816C */
         { 0x03f0, 0x1104, USBLP_QUIRK_BIDIR }, /* HP Deskjet 959C */
         { 0x0409, 0xefbe, USBLP_QUIRK_BIDIR }, /* NEC Picty900 (HP OEM) */
         { 0x0409, 0xbef4, USBLP_QUIRK_BIDIR }, /* NEC Picty760 (HP OEM) */
@@ -254,9 +255,8 @@ static int usblp_ctrl_msg(struct usblp *usblp, int request, int type, int dir, i
         /* High byte has the interface index.
            Low byte has the alternate setting.
          */
-        if ((request == USBLP_REQ_GET_ID) && (type == USB_TYPE_CLASS)) {
-          index = (usblp->ifnum<<8)|usblp->protocol[usblp->current_protocol].alt_setting;
-        }
+        if ((request == USBLP_REQ_GET_ID) && (type == USB_TYPE_CLASS))
+                index = (usblp->ifnum<<8)|usblp->protocol[usblp->current_protocol].alt_setting;
 
         retval = usb_control_msg(usblp->dev,
                 dir ? usb_rcvctrlpipe(usblp->dev, 0) : usb_sndctrlpipe(usblp->dev, 0),
@@ -372,7 +372,7 @@ static int usblp_check_status(struct usblp *usblp, int err)
         return newerr;
 }
 
-static int handle_bidir (struct usblp *usblp)
+static int handle_bidir(struct usblp *usblp)
 {
         if (usblp->bidir && usblp->used) {
                 if (usblp_submit_read(usblp) < 0)
@@ -395,14 +395,13 @@ static int usblp_open(struct inode *inode, struct file *file)
         if (minor < 0)
                 return -ENODEV;
 
-        mutex_lock (&usblp_mutex);
+        mutex_lock(&usblp_mutex);
 
         retval = -ENODEV;
         intf = usb_find_interface(&usblp_driver, minor);
-        if (!intf) {
+        if (!intf)
                 goto out;
-        }
-        usblp = usb_get_intfdata (intf);
+        usblp = usb_get_intfdata(intf);
         if (!usblp || !usblp->dev || !usblp->present)
                 goto out;
 
@@ -433,18 +432,18 @@ static int usblp_open(struct inode *inode, struct file *file)
                 retval = -EIO;
         }
 out:
-        mutex_unlock (&usblp_mutex);
+        mutex_unlock(&usblp_mutex);
         return retval;
 }
 
-static void usblp_cleanup (struct usblp *usblp)
+static void usblp_cleanup(struct usblp *usblp)
 {
         printk(KERN_INFO "usblp%d: removed\n", usblp->minor);
 
         kfree(usblp->readbuf);
-        kfree (usblp->device_id_string);
-        kfree (usblp->statusbuf);
-        kfree (usblp);
+        kfree(usblp->device_id_string);
+        kfree(usblp->statusbuf);
+        kfree(usblp);
 }
 
 static void usblp_unlink_urbs(struct usblp *usblp)
@@ -458,14 +457,14 @@ static int usblp_release(struct inode *inode, struct file *file)
 
         usblp->flags &= ~LP_ABORT;
 
-        mutex_lock (&usblp_mutex);
+        mutex_lock(&usblp_mutex);
         usblp->used = 0;
         if (usblp->present) {
                 usblp_unlink_urbs(usblp);
                 usb_autopm_put_interface(usblp->intf);
-        } else          /* finish cleanup from disconnect */
-                usblp_cleanup (usblp);
-        mutex_unlock (&usblp_mutex);
+        } else          /* finish cleanup from disconnect */
+                usblp_cleanup(usblp);
+        mutex_unlock(&usblp_mutex);
         return 0;
 }
 
@@ -495,190 +494,190 @@ static long usblp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
         int twoints[2];
         int retval = 0;
 
-        mutex_lock (&usblp->mut);
+        mutex_lock(&usblp->mut);
         if (!usblp->present) {
                 retval = -ENODEV;
                 goto done;
         }
 
         dbg("usblp_ioctl: cmd=0x%x (%c nr=%d len=%d dir=%d)", cmd, _IOC_TYPE(cmd),
-                _IOC_NR(cmd), _IOC_SIZE(cmd), _IOC_DIR(cmd) );
+                _IOC_NR(cmd), _IOC_SIZE(cmd), _IOC_DIR(cmd));
 
         if (_IOC_TYPE(cmd) == 'P')      /* new-style ioctl number */
 
                 switch (_IOC_NR(cmd)) {
 
-                        case IOCNR_GET_DEVICE_ID: /* get the DEVICE_ID string */
-                                if (_IOC_DIR(cmd) != _IOC_READ) {
-                                        retval = -EINVAL;
-                                        goto done;
-                                }
+                case IOCNR_GET_DEVICE_ID: /* get the DEVICE_ID string */
+                        if (_IOC_DIR(cmd) != _IOC_READ) {
+                                retval = -EINVAL;
+                                goto done;
+                        }
 
-                                length = usblp_cache_device_id_string(usblp);
-                                if (length < 0) {
-                                        retval = length;
-                                        goto done;
-                                }
-                                if (length > _IOC_SIZE(cmd))
-                                        length = _IOC_SIZE(cmd); /* truncate */
-
-                                if (copy_to_user((void __user *) arg,
-                                                usblp->device_id_string,
-                                                (unsigned long) length)) {
-                                        retval = -EFAULT;
-                                        goto done;
-                                }
+                        length = usblp_cache_device_id_string(usblp);
+                        if (length < 0) {
+                                retval = length;
+                                goto done;
+                        }
+                        if (length > _IOC_SIZE(cmd))
+                                length = _IOC_SIZE(cmd); /* truncate */
+
+                        if (copy_to_user((void __user *) arg,
+                                        usblp->device_id_string,
+                                        (unsigned long) length)) {
+                                retval = -EFAULT;
+                                goto done;
+                        }
 
-                                break;
+                        break;
 
-                        case IOCNR_GET_PROTOCOLS:
-                                if (_IOC_DIR(cmd) != _IOC_READ ||
-                                    _IOC_SIZE(cmd) < sizeof(twoints)) {
-                                        retval = -EINVAL;
-                                        goto done;
-                                }
+                case IOCNR_GET_PROTOCOLS:
+                        if (_IOC_DIR(cmd) != _IOC_READ ||
+                            _IOC_SIZE(cmd) < sizeof(twoints)) {
+                                retval = -EINVAL;
+                                goto done;
+                        }
 
-                                twoints[0] = usblp->current_protocol;
-                                twoints[1] = 0;
-                                for (i = USBLP_FIRST_PROTOCOL;
-                                     i <= USBLP_LAST_PROTOCOL; i++) {
-                                        if (usblp->protocol[i].alt_setting >= 0)
-                                                twoints[1] |= (1<<i);
-                                }
+                        twoints[0] = usblp->current_protocol;
+                        twoints[1] = 0;
+                        for (i = USBLP_FIRST_PROTOCOL;
+                             i <= USBLP_LAST_PROTOCOL; i++) {
+                                if (usblp->protocol[i].alt_setting >= 0)
+                                        twoints[1] |= (1<<i);
+                        }
 
-                                if (copy_to_user((void __user *)arg,
-                                                (unsigned char *)twoints,
-                                                sizeof(twoints))) {
-                                        retval = -EFAULT;
-                                        goto done;
-                                }
+                        if (copy_to_user((void __user *)arg,
+                                        (unsigned char *)twoints,
+                                        sizeof(twoints))) {
+                                retval = -EFAULT;
+                                goto done;
+                        }
 
-                                break;
+                        break;
 
-                        case IOCNR_SET_PROTOCOL:
-                                if (_IOC_DIR(cmd) != _IOC_WRITE) {
-                                        retval = -EINVAL;
-                                        goto done;
-                                }
+                case IOCNR_SET_PROTOCOL:
+                        if (_IOC_DIR(cmd) != _IOC_WRITE) {
+                                retval = -EINVAL;
+                                goto done;
+                        }
 
 #ifdef DEBUG
-                                if (arg == -10) {
-                                        usblp_dump(usblp);
-                                        break;
-                                }
+                        if (arg == -10) {
+                                usblp_dump(usblp);
+                                break;
+                        }
 #endif
 
-                                usblp_unlink_urbs(usblp);
-                                retval = usblp_set_protocol(usblp, arg);
-                                if (retval < 0) {
-                                        usblp_set_protocol(usblp,
-                                                usblp->current_protocol);
-                                }
-                                break;
+                        usblp_unlink_urbs(usblp);
+                        retval = usblp_set_protocol(usblp, arg);
+                        if (retval < 0) {
+                                usblp_set_protocol(usblp,
+                                        usblp->current_protocol);
+                        }
+                        break;
 
-                        case IOCNR_HP_SET_CHANNEL:
-                                if (_IOC_DIR(cmd) != _IOC_WRITE ||
-                                    le16_to_cpu(usblp->dev->descriptor.idVendor) != 0x03F0 ||
-                                    usblp->quirks & USBLP_QUIRK_BIDIR) {
-                                        retval = -EINVAL;
-                                        goto done;
-                                }
+                case IOCNR_HP_SET_CHANNEL:
+                        if (_IOC_DIR(cmd) != _IOC_WRITE ||
+                            le16_to_cpu(usblp->dev->descriptor.idVendor) != 0x03F0 ||
+                            usblp->quirks & USBLP_QUIRK_BIDIR) {
+                                retval = -EINVAL;
+                                goto done;
+                        }
 
-                                err = usblp_hp_channel_change_request(usblp,
-                                        arg, &newChannel);
-                                if (err < 0) {
-                                        dev_err(&usblp->dev->dev,
-                                                "usblp%d: error = %d setting "
-                                                "HP channel\n",
-                                                usblp->minor, err);
-                                        retval = -EIO;
-                                        goto done;
-                                }
+                        err = usblp_hp_channel_change_request(usblp,
+                                arg, &newChannel);
+                        if (err < 0) {
+                                dev_err(&usblp->dev->dev,
+                                        "usblp%d: error = %d setting "
+                                        "HP channel\n",
+                                        usblp->minor, err);
+                                retval = -EIO;
+                                goto done;
+                        }
 
-                                dbg("usblp%d requested/got HP channel %ld/%d",
-                                        usblp->minor, arg, newChannel);
-                                break;
+                        dbg("usblp%d requested/got HP channel %ld/%d",
+                                usblp->minor, arg, newChannel);
+                        break;
 
-                        case IOCNR_GET_BUS_ADDRESS:
-                                if (_IOC_DIR(cmd) != _IOC_READ ||
-                                    _IOC_SIZE(cmd) < sizeof(twoints)) {
-                                        retval = -EINVAL;
-                                        goto done;
-                                }
+                case IOCNR_GET_BUS_ADDRESS:
+                        if (_IOC_DIR(cmd) != _IOC_READ ||
+                            _IOC_SIZE(cmd) < sizeof(twoints)) {
+                                retval = -EINVAL;
+                                goto done;
+                        }
 
-                                twoints[0] = usblp->dev->bus->busnum;
-                                twoints[1] = usblp->dev->devnum;
-                                if (copy_to_user((void __user *)arg,
-                                                (unsigned char *)twoints,
-                                                sizeof(twoints))) {
-                                        retval = -EFAULT;
-                                        goto done;
-                                }
+                        twoints[0] = usblp->dev->bus->busnum;
+                        twoints[1] = usblp->dev->devnum;
+                        if (copy_to_user((void __user *)arg,
+                                        (unsigned char *)twoints,
+                                        sizeof(twoints))) {
+                                retval = -EFAULT;
+                                goto done;
+                        }
 
-                                dbg("usblp%d is bus=%d, device=%d",
-                                        usblp->minor, twoints[0], twoints[1]);
-                                break;
+                        dbg("usblp%d is bus=%d, device=%d",
+                                usblp->minor, twoints[0], twoints[1]);
+                        break;
 
-                        case IOCNR_GET_VID_PID:
-                                if (_IOC_DIR(cmd) != _IOC_READ ||
-                                    _IOC_SIZE(cmd) < sizeof(twoints)) {
-                                        retval = -EINVAL;
-                                        goto done;
-                                }
+                case IOCNR_GET_VID_PID:
+                        if (_IOC_DIR(cmd) != _IOC_READ ||
+                            _IOC_SIZE(cmd) < sizeof(twoints)) {
+                                retval = -EINVAL;
+                                goto done;
+                        }
 
-                                twoints[0] = le16_to_cpu(usblp->dev->descriptor.idVendor);
-                                twoints[1] = le16_to_cpu(usblp->dev->descriptor.idProduct);
-                                if (copy_to_user((void __user *)arg,
-                                                (unsigned char *)twoints,
-                                                sizeof(twoints))) {
-                                        retval = -EFAULT;
-                                        goto done;
-                                }
+                        twoints[0] = le16_to_cpu(usblp->dev->descriptor.idVendor);
+                        twoints[1] = le16_to_cpu(usblp->dev->descriptor.idProduct);
+                        if (copy_to_user((void __user *)arg,
+                                        (unsigned char *)twoints,
+                                        sizeof(twoints))) {
+                                retval = -EFAULT;
+                                goto done;
+                        }
 
-                                dbg("usblp%d is VID=0x%4.4X, PID=0x%4.4X",
-                                        usblp->minor, twoints[0], twoints[1]);
-                                break;
+                        dbg("usblp%d is VID=0x%4.4X, PID=0x%4.4X",
+                                usblp->minor, twoints[0], twoints[1]);
+                        break;
 
-                        case IOCNR_SOFT_RESET:
-                                if (_IOC_DIR(cmd) != _IOC_NONE) {
-                                        retval = -EINVAL;
-                                        goto done;
-                                }
-                                retval = usblp_reset(usblp);
-                                break;
-                        default:
-                                retval = -ENOTTY;
+                case IOCNR_SOFT_RESET:
+                        if (_IOC_DIR(cmd) != _IOC_NONE) {
+                                retval = -EINVAL;
+                                goto done;
+                        }
+                        retval = usblp_reset(usblp);
+                        break;
+                default:
+                        retval = -ENOTTY;
                 }
         else    /* old-style ioctl value */
                 switch (cmd) {
 
-                        case LPGETSTATUS:
-                                if ((retval = usblp_read_status(usblp, usblp->statusbuf))) {
-                                        if (printk_ratelimit())
-                                                printk(KERN_ERR "usblp%d:"
-                                                    "failed reading printer status (%d)\n",
-                                                    usblp->minor, retval);
-                                        retval = -EIO;
-                                        goto done;
-                                }
-                                status = *usblp->statusbuf;
-                                if (copy_to_user ((void __user *)arg, &status, sizeof(int)))
-                                        retval = -EFAULT;
-                                break;
+                case LPGETSTATUS:
+                        if ((retval = usblp_read_status(usblp, usblp->statusbuf))) {
+                                if (printk_ratelimit())
+                                        printk(KERN_ERR "usblp%d:"
+                                            "failed reading printer status (%d)\n",
+                                            usblp->minor, retval);
+                                retval = -EIO;
+                                goto done;
+                        }
+                        status = *usblp->statusbuf;
+                        if (copy_to_user((void __user *)arg, &status, sizeof(int)))
+                                retval = -EFAULT;
+                        break;
 
-                        case LPABORT:
-                                if (arg)
-                                        usblp->flags |= LP_ABORT;
-                                else
-                                        usblp->flags &= ~LP_ABORT;
-                                break;
+                case LPABORT:
+                        if (arg)
+                                usblp->flags |= LP_ABORT;
+                        else
+                                usblp->flags &= ~LP_ABORT;
+                        break;
 
-                        default:
-                                retval = -ENOTTY;
+                default:
+                        retval = -ENOTTY;
                 }
 
 done:
-        mutex_unlock (&usblp->mut);
+        mutex_unlock(&usblp->mut);
         return retval;
 }
 
@@ -840,7 +839,7 @@ static ssize_t usblp_read(struct file *file, char __user *buffer, size_t len, lo
         }
 
 done:
-        mutex_unlock (&usblp->mut);
+        mutex_unlock(&usblp->mut);
         return count;
 }
 
@@ -1023,7 +1022,7 @@ raise_urb:
  * while you are sending print data, and you don't try to query the
  * printer status every couple of milliseconds, you will probably be OK.
  */
-static unsigned int usblp_quirks (__u16 vendor, __u16 product)
+static unsigned int usblp_quirks(__u16 vendor, __u16 product)
 {
         int i;
 
@@ -1031,7 +1030,7 @@ static unsigned int usblp_quirks (__u16 vendor, __u16 product)
                 if (vendor == quirk_printers[i].vendorId &&
                     product == quirk_printers[i].productId)
                         return quirk_printers[i].quirks;
-        }
+        }
         return 0;
 }
 
@@ -1061,7 +1060,7 @@ static struct usb_class_driver usblp_class = {
 static ssize_t usblp_show_ieee1284_id(struct device *dev, struct device_attribute *attr, char *buf)
 {
         struct usb_interface *intf = to_usb_interface(dev);
-        struct usblp *usblp = usb_get_intfdata (intf);
+        struct usblp *usblp = usb_get_intfdata(intf);
 
         if (usblp->device_id_string[0] == 0 &&
             usblp->device_id_string[1] == 0)
@@ -1075,7 +1074,7 @@ static DEVICE_ATTR(ieee1284_id, S_IRUGO, usblp_show_ieee1284_id, NULL);
 static int usblp_probe(struct usb_interface *intf,
                        const struct usb_device_id *id)
 {
-        struct usb_device *dev = interface_to_usbdev (intf);
+        struct usb_device *dev = interface_to_usbdev(intf);
         struct usblp *usblp;
         int protocol;
         int retval;
@@ -1089,7 +1088,7 @@ static int usblp_probe(struct usb_interface *intf,
         }
         usblp->dev = dev;
         mutex_init(&usblp->wmut);
-        mutex_init (&usblp->mut);
+        mutex_init(&usblp->mut);
         spin_lock_init(&usblp->lock);
         init_waitqueue_head(&usblp->rwait);
         init_waitqueue_head(&usblp->wwait);
@@ -1153,7 +1152,7 @@ static int usblp_probe(struct usb_interface *intf,
         usblp_check_status(usblp, 0);
 #endif
 
-        usb_set_intfdata (intf, usblp);
+        usb_set_intfdata(intf, usblp);
 
         usblp->present = 1;
 
@@ -1177,7 +1176,7 @@ static int usblp_probe(struct usb_interface *intf,
         return 0;
 
 abort_intfdata:
-        usb_set_intfdata (intf, NULL);
+        usb_set_intfdata(intf, NULL);
         device_remove_file(&intf->dev, &dev_attr_ieee1284_id);
 abort:
         kfree(usblp->readbuf);
@@ -1340,35 +1339,35 @@ static int usblp_cache_device_id_string(struct usblp *usblp)
 
 static void usblp_disconnect(struct usb_interface *intf)
 {
-        struct usblp *usblp = usb_get_intfdata (intf);
+        struct usblp *usblp = usb_get_intfdata(intf);
 
         usb_deregister_dev(intf, &usblp_class);
 
         if (!usblp || !usblp->dev) {
                 dev_err(&intf->dev, "bogus disconnect\n");
-                BUG ();
+                BUG();
         }
 
         device_remove_file(&intf->dev, &dev_attr_ieee1284_id);
 
-        mutex_lock (&usblp_mutex);
-        mutex_lock (&usblp->mut);
+        mutex_lock(&usblp_mutex);
+        mutex_lock(&usblp->mut);
         usblp->present = 0;
         wake_up(&usblp->wwait);
         wake_up(&usblp->rwait);
-        usb_set_intfdata (intf, NULL);
+        usb_set_intfdata(intf, NULL);
 
         usblp_unlink_urbs(usblp);
-        mutex_unlock (&usblp->mut);
+        mutex_unlock(&usblp->mut);
 
         if (!usblp->used)
-                usblp_cleanup (usblp);
-        mutex_unlock (&usblp_mutex);
+                usblp_cleanup(usblp);
+        mutex_unlock(&usblp_mutex);
 }
 
 static int usblp_suspend(struct usb_interface *intf, pm_message_t message)
 {
-        struct usblp *usblp = usb_get_intfdata (intf);
+        struct usblp *usblp = usb_get_intfdata(intf);
 
         usblp_unlink_urbs(usblp);
 #if 0 /* XXX Do we want this? What if someone is reading, should we fail? */
@@ -1382,10 +1381,10 @@ static int usblp_suspend(struct usb_interface *intf, pm_message_t message)
 
 static int usblp_resume(struct usb_interface *intf)
 {
-        struct usblp *usblp = usb_get_intfdata (intf);
+        struct usblp *usblp = usb_get_intfdata(intf);
         int r;
 
-        r = handle_bidir (usblp);
+        r = handle_bidir(usblp);
 
         return r;
 }
@@ -1401,7 +1400,7 @@ static const struct usb_device_id usblp_ids[] = {
         { }                                             /* Terminating entry */
 };
 
-MODULE_DEVICE_TABLE (usb, usblp_ids);
+MODULE_DEVICE_TABLE(usb, usblp_ids);
 
 static struct usb_driver usblp_driver = {
         .name =         "usblp",
@@ -1426,8 +1425,8 @@ static void __exit usblp_exit(void)
 module_init(usblp_init);
 module_exit(usblp_exit);
 
-MODULE_AUTHOR( DRIVER_AUTHOR );
-MODULE_DESCRIPTION( DRIVER_DESC );
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
 module_param(proto_bias, int, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(proto_bias, "Favourite protocol number");
 MODULE_LICENSE("GPL");