[PATCH] devfs: Remove the mode field from usb_class_driver as it's no longer needed

Also fixes all drivers that set this field, and removes some other devfs
specfic USB logic.

Signed-off-by: Greg Kroah-Hartman <[email protected]>

 drivers/usb/class/usblp.c           |    3 +--
 drivers/usb/core/file.c             |   19 ++++---------------
 drivers/usb/image/mdc800.c          |    3 +--
 drivers/usb/input/aiptek.c          |    2 +-
 drivers/usb/input/hiddev.c          |    3 +--
 drivers/usb/media/dabusb.c          |    3 +--
 drivers/usb/misc/auerswald.c        |    3 +--
 drivers/usb/misc/idmouse.c          |    5 ++---
 drivers/usb/misc/legousbtower.c     |    5 ++---
 drivers/usb/misc/rio500.c           |    3 +--
 drivers/usb/misc/sisusbvga/sisusb.c |    5 -----
 drivers/usb/misc/usblcd.c           |    9 ++++-----
 drivers/usb/usb-skeleton.c          |    3 +--
 include/linux/usb.h                 |    7 ++-----
 14 files changed, 22 insertions(+), 51 deletions(-)

Author: gregkh

drivers/usb/class/usblp.c

@@ -844,9 +844,8 @@ static struct file_operations usblp_fops = {
 };
 
 static struct usb_class_driver usblp_class = {
-	.name =		"usb/lp%d",
+	.name =		"lp%d",
 	.fops =		&usblp_fops,
-	.mode =		S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP,
 	.minor_base =	USBLP_MINOR_BASE,
 };
 

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>
 
@@ -88,16 +87,13 @@ int usb_major_init(void)
 		goto out;
 	}
 
-	devfs_mk_dir("usb");
-
 out:
 	return error;
 }
 
 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.
@@ -162,11 +157,8 @@ 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;
@@ -179,7 +171,6 @@ int usb_register_dev(struct usb_interface *intf,
 		spin_lock (&minor_lock);
 		usb_minors[intf->minor] = NULL;
 		spin_unlock (&minor_lock);
-		devfs_remove (name);
 		retval = PTR_ERR(intf->class_dev);
 	}
 exit:
@@ -197,9 +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,
@@ -222,7 +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;

drivers/usb/image/mdc800.c

@@ -425,9 +425,8 @@ static void mdc800_usb_download_notify (struct urb *urb, struct pt_regs *res)
 static struct usb_driver mdc800_usb_driver;
 static struct file_operations mdc800_device_ops;
 static struct usb_class_driver mdc800_class = {
-	.name =		"usb/mdc800%d",
+	.name =		"mdc800%d",
 	.fops =		&mdc800_device_ops,
-	.mode =		S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP,
 	.minor_base =	MDC800_DEVICE_MINOR_BASE,
 };
 

drivers/usb/input/aiptek.c

@@ -2154,7 +2154,7 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	 * input_handles associated with this input device.
 	 * What identifies an evdev input_handler is that it begins
 	 * with 'event', continues with a digit, and that in turn
-	 * is mapped to /{devfs}/input/eventN.
+	 * is mapped to input/eventN.
 	 */
 	list_for_each_safe(node, next, &inputdev->h_list) {
 		inputhandle = to_handle(node);

drivers/usb/input/hiddev.c

@@ -732,9 +732,8 @@ static struct file_operations hiddev_fops = {
 };
 
 static struct usb_class_driver hiddev_class = {
-	.name =		"usb/hid/hiddev%d",
+	.name =		"hiddev%d",
 	.fops =		&hiddev_fops,
-	.mode =		S_IFCHR | S_IRUGO | S_IWUSR,
 	.minor_base =	HIDDEV_MINOR_BASE,
 };
 

drivers/usb/media/dabusb.c

@@ -707,9 +707,8 @@ static struct file_operations dabusb_fops =
 };
 
 static struct usb_class_driver dabusb_class = {
-	.name =		"usb/dabusb%d",
+	.name =		"dabusb%d",
 	.fops =		&dabusb_fops,
-	.mode =		S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP,
 	.minor_base =	DABUSB_MINOR,
 };
 

drivers/usb/misc/auerswald.c

@@ -1873,9 +1873,8 @@ static struct file_operations auerswald_fops =
 };
 
 static struct usb_class_driver auerswald_class = {
-	.name =		"usb/auer%d",
+	.name =		"auer%d",
 	.fops =		&auerswald_fops,
-	.mode =		S_IFCHR | S_IRUGO | S_IWUGO,
 	.minor_base =	AUER_MINOR_BASE,
 };
 

drivers/usb/misc/idmouse.c

@@ -105,11 +105,10 @@ static struct file_operations idmouse_fops = {
 	.release = idmouse_release,
 };
 
-/* class driver information for devfs */
+/* class driver information */
 static struct usb_class_driver idmouse_class = {
-	.name = "usb/idmouse%d",
+	.name = "idmouse%d",
 	.fops = &idmouse_fops,
-	.mode = S_IFCHR | S_IRUSR | S_IRGRP | S_IROTH, /* filemode (char, 444) */
 	.minor_base = USB_IDMOUSE_MINOR_BASE,
 };
 

drivers/usb/misc/legousbtower.c

@@ -271,12 +271,11 @@ static struct file_operations tower_fops = {
 
 /*
  * usb class driver info in order to get a minor number from the usb core,
- * and to have the device registered with devfs and the driver core
+ * and to have the device registered with the driver core
  */
 static struct usb_class_driver tower_class = {
-	.name =		"usb/legousbtower%d",
+	.name =		"legousbtower%d",
 	.fops =		&tower_fops,
-	.mode =		S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH,
 	.minor_base =	LEGO_USB_TOWER_MINOR_BASE,
 };
 

drivers/usb/misc/rio500.c

@@ -443,9 +443,8 @@ file_operations usb_rio_fops = {
 };
 
 static struct usb_class_driver usb_rio_class = {
-	.name =		"usb/rio500%d",
+	.name =		"rio500%d",
 	.fops =		&usb_rio_fops,
-	.mode =		S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP,
 	.minor_base =	RIO_MINOR,
 };
 

drivers/usb/misc/sisusbvga/sisusb.c

@@ -3239,12 +3239,7 @@ static struct file_operations usb_sisusb_fops = {
 };
 
 static struct usb_class_driver usb_sisusb_class = {
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,13)
-	.name =		"usb/sisusbvga%d",
-	.mode =		S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP,
-#else
 	.name =		"sisusbvga%d",
-#endif
 	.fops =		&usb_sisusb_fops,
 	.minor_base =	SISUSB_MINOR
 };

drivers/usb/misc/usblcd.c

@@ -251,13 +251,12 @@ static struct file_operations lcd_fops = {
 };
 
 /*
- *  * usb class driver info in order to get a minor number from the usb core,
- *   * and to have the device registered with devfs and the driver core
- *    */
+ * usb class driver info in order to get a minor number from the usb core,
+ * and to have the device registered with the driver core
+ */
 static struct usb_class_driver lcd_class = {
-        .name =         "usb/lcd%d",
+        .name =         "lcd%d",
         .fops =         &lcd_fops,
-        .mode =         S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH,
         .minor_base =   USBLCD_MINOR,
 };
 

drivers/usb/usb-skeleton.c

@@ -223,9 +223,8 @@ static struct file_operations skel_fops = {
  * and to have the device registered with devfs and the driver core
  */
 static struct usb_class_driver skel_class = {
-	.name =		"usb/skel%d",
+	.name =		"skel%d",
 	.fops =		&skel_fops,
-	.mode =		S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH,
 	.minor_base =	USB_SKEL_MINOR_BASE,
 };
 

include/linux/usb.h

@@ -576,10 +576,8 @@ extern struct bus_type usb_bus_type;
 
 /**
  * struct usb_class_driver - identifies a USB driver that wants to use the USB major number
- * @name: devfs name for this driver.  Will also be used by the driver
- *	class code to create a usb class device.
+ * @name: the usb class device name for this driver.  Will show up in sysfs.
  * @fops: pointer to the struct file_operations of this driver.
- * @mode: the mode for the devfs file to be created for this driver.
  * @minor_base: the start of the minor range for this driver.
  *
  * This structure is used for the usb_register_dev() and
@@ -589,8 +587,7 @@ extern struct bus_type usb_bus_type;
 struct usb_class_driver {
 	char *name;
 	struct file_operations *fops;
-	mode_t mode;
-	int minor_base;	
+	int minor_base;
 };
 
 /*