manual update from upstream:

Applied Al's change 06a544971fad0992fe8b92c5647538d573089dd4
to new location of swiotlb.c

Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 7 insertions, 16 deletions

diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c
index 65ca131cc44..e695308095a 100644
--- a/drivers/usb/core/file.c
+++ b/drivers/usb/core/file.c
@@ -17,7 +17,6 @@
 
 #include <linux/config.h>
 #include <linux/module.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/spinlock.h>
 #include <linux/errno.h>
 
@@ -88,8 +87,6 @@ int usb_major_init(void)
 		goto out;
 	}
 
-	devfs_mk_dir("usb");
-
 out:
 	return error;
 }
@@ -97,7 +94,6 @@ out:
 void usb_major_cleanup(void)
 {
 	class_destroy(usb_class);
-	devfs_remove("usb");
 	unregister_chrdev(USB_MAJOR, "usb");
 }
 
@@ -112,8 +108,7 @@ void usb_major_cleanup(void)
  * enabled, the minor number will be based on the next available free minor,
  * starting at the class_driver->minor_base.
  *
- * This function also creates the devfs file for the usb device, if devfs
- * is enabled, and creates a usb class device in the sysfs tree.
+ * This function also creates a usb class device in the sysfs tree.
  *
  * usb_deregister_dev() must be called when the driver is done with
  * the minor numbers given out by this function.
@@ -162,22 +157,20 @@ int usb_register_dev(struct usb_interface *intf,
 
 	intf->minor = minor;
 
-	/* handle the devfs registration */
-	snprintf(name, BUS_ID_SIZE, class_driver->name, minor - minor_base);
-	devfs_mk_cdev(MKDEV(USB_MAJOR, minor), class_driver->mode, name);
-
 	/* create a usb class device for this usb interface */
+	snprintf(name, BUS_ID_SIZE, class_driver->name, minor - minor_base);
 	temp = strrchr(name, '/');
 	if (temp && (temp[1] != 0x00))
 		++temp;
 	else
 		temp = name;
-	intf->class_dev = class_device_create(usb_class, MKDEV(USB_MAJOR, minor), &intf->dev, "%s", temp);
+	intf->class_dev = class_device_create(usb_class, NULL,
+					      MKDEV(USB_MAJOR, minor),
+					      &intf->dev, "%s", temp);
 	if (IS_ERR(intf->class_dev)) {
 		spin_lock (&minor_lock);
 		usb_minors[intf->minor] = NULL;
 		spin_unlock (&minor_lock);
-		devfs_remove (name);
 		retval = PTR_ERR(intf->class_dev);
 	}
 exit:
@@ -195,9 +188,8 @@ EXPORT_SYMBOL(usb_register_dev);
  * call to usb_register_dev() (usually when the device is disconnected
  * from the system.)
  *
- * This function also cleans up the devfs file for the usb device, if devfs
- * is enabled, and removes the usb class device from the sysfs tree.
- * 
+ * This function also removes the usb class device from the sysfs tree.
+ *
  * This should be called by all drivers that use the USB major number.
  */
 void usb_deregister_dev(struct usb_interface *intf,
@@ -220,7 +212,6 @@ void usb_deregister_dev(struct usb_interface *intf,
 	spin_unlock (&minor_lock);
 
 	snprintf(name, BUS_ID_SIZE, class_driver->name, intf->minor - minor_base);
-	devfs_remove (name);
 	class_device_destroy(usb_class, MKDEV(USB_MAJOR, intf->minor));
 	intf->class_dev = NULL;
 	intf->minor = -1;