Merge ../linux-2.6

5 files changed, 16 insertions, 65 deletions

diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c
index 37b13368c81..b263a54a13c 100644
--- a/drivers/usb/core/file.c
+++ b/drivers/usb/core/file.c
@@ -24,15 +24,15 @@
 #include "usb.h"
 
 #define MAX_USB_MINORS	256
-static struct file_operations *usb_minors[MAX_USB_MINORS];
+static const struct file_operations *usb_minors[MAX_USB_MINORS];
 static DEFINE_SPINLOCK(minor_lock);
 
 static int usb_open(struct inode * inode, struct file * file)
 {
 	int minor = iminor(inode);
-	struct file_operations *c;
+	const struct file_operations *c;
 	int err = -ENODEV;
-	struct file_operations *old_fops, *new_fops = NULL;
+	const struct file_operations *old_fops, *new_fops = NULL;
 
 	spin_lock (&minor_lock);
 	c = usb_minors[minor];
diff --git a/drivers/usb/core/notify.c b/drivers/usb/core/notify.c
index 4b55285de9a..fe0ed54fa0a 100644
--- a/drivers/usb/core/notify.c
+++ b/drivers/usb/core/notify.c
@@ -16,57 +16,7 @@
 #include <linux/mutex.h>
 #include "usb.h"
 
-
-static struct notifier_block *usb_notifier_list;
-static DEFINE_MUTEX(usb_notifier_lock);
-
-static void usb_notifier_chain_register(struct notifier_block **list,
-					struct notifier_block *n)
-{
-	mutex_lock(&usb_notifier_lock);
-	while (*list) {
-		if (n->priority > (*list)->priority)
-			break;
-		list = &((*list)->next);
-	}
-	n->next = *list;
-	*list = n;
-	mutex_unlock(&usb_notifier_lock);
-}
-
-static void usb_notifier_chain_unregister(struct notifier_block **nl,
-				   struct notifier_block *n)
-{
-	mutex_lock(&usb_notifier_lock);
-	while ((*nl)!=NULL) {
-		if ((*nl)==n) {
-			*nl = n->next;
-			goto exit;
-		}
-		nl=&((*nl)->next);
-	}
-exit:
-	mutex_unlock(&usb_notifier_lock);
-}
-
-static int usb_notifier_call_chain(struct notifier_block **n,
-				   unsigned long val, void *v)
-{
-	int ret=NOTIFY_DONE;
-	struct notifier_block *nb = *n;
-
-	mutex_lock(&usb_notifier_lock);
-	while (nb) {
-		ret = nb->notifier_call(nb,val,v);
-		if (ret&NOTIFY_STOP_MASK) {
-			goto exit;
-		}
-		nb = nb->next;
-	}
-exit:
-	mutex_unlock(&usb_notifier_lock);
-	return ret;
-}
+static BLOCKING_NOTIFIER_HEAD(usb_notifier_list);
 
 /**
  * usb_register_notify - register a notifier callback whenever a usb change happens
@@ -76,7 +26,7 @@ exit:
  */
 void usb_register_notify(struct notifier_block *nb)
 {
-	usb_notifier_chain_register(&usb_notifier_list, nb);
+	blocking_notifier_chain_register(&usb_notifier_list, nb);
 }
 EXPORT_SYMBOL_GPL(usb_register_notify);
 
@@ -89,27 +39,28 @@ EXPORT_SYMBOL_GPL(usb_register_notify);
  */
 void usb_unregister_notify(struct notifier_block *nb)
 {
-	usb_notifier_chain_unregister(&usb_notifier_list, nb);
+	blocking_notifier_chain_unregister(&usb_notifier_list, nb);
 }
 EXPORT_SYMBOL_GPL(usb_unregister_notify);
 
 
 void usb_notify_add_device(struct usb_device *udev)
 {
-	usb_notifier_call_chain(&usb_notifier_list, USB_DEVICE_ADD, udev);
+	blocking_notifier_call_chain(&usb_notifier_list, USB_DEVICE_ADD, udev);
 }
 
 void usb_notify_remove_device(struct usb_device *udev)
 {
-	usb_notifier_call_chain(&usb_notifier_list, USB_DEVICE_REMOVE, udev);
+	blocking_notifier_call_chain(&usb_notifier_list,
+			USB_DEVICE_REMOVE, udev);
 }
 
 void usb_notify_add_bus(struct usb_bus *ubus)
 {
-	usb_notifier_call_chain(&usb_notifier_list, USB_BUS_ADD, ubus);
+	blocking_notifier_call_chain(&usb_notifier_list, USB_BUS_ADD, ubus);
 }
 
 void usb_notify_remove_bus(struct usb_bus *ubus)
 {
-	usb_notifier_call_chain(&usb_notifier_list, USB_BUS_REMOVE, ubus);
+	blocking_notifier_call_chain(&usb_notifier_list, USB_BUS_REMOVE, ubus);
 }
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index b44cfda76b6..3f618ce6998 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1581,7 +1581,7 @@ restart:
 
 static struct inode *
 gadgetfs_create_file (struct super_block *sb, char const *name,
-		void *data, struct file_operations *fops,
+		void *data, const struct file_operations *fops,
 		struct dentry **dentry_p);
 
 static int activate_ep_files (struct dev_data *dev)
@@ -1955,7 +1955,7 @@ module_param (default_perm, uint, 0644);
 
 static struct inode *
 gadgetfs_make_inode (struct super_block *sb,
-		void *data, struct file_operations *fops,
+		void *data, const struct file_operations *fops,
 		int mode)
 {
 	struct inode *inode = new_inode (sb);
@@ -1979,7 +1979,7 @@ gadgetfs_make_inode (struct super_block *sb,
  */
 static struct inode *
 gadgetfs_create_file (struct super_block *sb, char const *name,
-		void *data, struct file_operations *fops,
+		void *data, const struct file_operations *fops,
 		struct dentry **dentry_p)
 {
 	struct dentry	*dentry;
diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c
index 372527a8359..682bf221566 100644
--- a/drivers/usb/host/ohci-s3c2410.c
+++ b/drivers/usb/host/ohci-s3c2410.c
@@ -158,7 +158,7 @@ static int ohci_s3c2410_hub_control (
 		"s3c2410_hub_control(%p,0x%04x,0x%04x,0x%04x,%p,%04x)\n",
 		hcd, typeReq, wValue, wIndex, buf, wLength);
 
-	/* if we are only an humble host without any special capabilites
+	/* if we are only an humble host without any special capabilities
 	 * process the request straight away and exit */
 
 	if (info == NULL) {
diff --git a/drivers/usb/net/zaurus.c b/drivers/usb/net/zaurus.c
index 9c5ab251370..f7ac9d6b985 100644
--- a/drivers/usb/net/zaurus.c
+++ b/drivers/usb/net/zaurus.c
@@ -217,7 +217,7 @@ static int blan_mdlm_bind(struct usbnet *dev, struct usb_interface *intf)
 			 * with devices that use it and those that don't.
 			 */
 			if ((detail->bDetailData[1] & ~0x02) != 0x01) {
-				/* bmDataCapabilites == 0 would be fine too,
+				/* bmDataCapabilities == 0 would be fine too,
 				 * but framing is minidriver-coupled for now.
 				 */
 bad_detail: