Re: [BK PATCH] More USB changes for 2.5.38

From: Greg KH (greg@kroah.com)
Date: Fri Sep 27 2002 - 14:40:25 EST


# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
# ChangeSet 1.611.1.1 -> 1.611.1.2
# drivers/usb/usb-skeleton.c 1.15 -> 1.16
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 02/09/26 greg@kroah.com 1.611.1.2
# USB: convert the usb-skeleton.c driver to work with the latest USB core changes.
# --------------------------------------------
#
diff -Nru a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c
--- a/drivers/usb/usb-skeleton.c Fri Sep 27 12:30:25 2002
+++ b/drivers/usb/usb-skeleton.c Fri Sep 27 12:30:25 2002
@@ -1,12 +1,11 @@
 /*
- * USB Skeleton driver - 0.7
+ * USB Skeleton driver - 0.8
  *
- * Copyright (c) 2001 Greg Kroah-Hartman (greg@kroah.com)
+ * Copyright (c) 2001-2002 Greg Kroah-Hartman (greg@kroah.com)
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
+ * published by the Free Software Foundation, version 2.
  *
  *
  * This driver is to be used as a skeleton driver to be able to create a
@@ -22,6 +21,8 @@
  *
  * History:
  *
+ * 2002_09_26 - 0.8 - changes due to USB core conversion to struct device
+ * driver.
  * 2002_02_12 - 0.7 - zero out dev in probe function for devices that do
  * not have both a bulk in and bulk out endpoint.
  * Thanks to Holger Waechtler for the fix.
@@ -133,8 +134,8 @@
 static int skel_open (struct inode *inode, struct file *file);
 static int skel_release (struct inode *inode, struct file *file);
         
-static void * skel_probe (struct usb_device *dev, unsigned int ifnum, const struct usb_device_id *id);
-static void skel_disconnect (struct usb_device *dev, void *ptr);
+static int skel_probe (struct usb_interface *intf, const struct usb_device_id *id);
+static void skel_disconnect (struct usb_interface *intf);
 
 static void skel_write_bulk_callback (struct urb *urb);
 
@@ -509,10 +510,10 @@
  * Called by the usb core when a new device is connected that it thinks
  * this driver might be interested in.
  */
-static void * skel_probe(struct usb_device *udev, unsigned int ifnum, const struct usb_device_id *id)
+static int skel_probe(struct usb_interface *interface, const struct usb_device_id *id)
 {
+ struct usb_device *udev = interface_to_usbdev(interface);
         struct usb_skel *dev = NULL;
- struct usb_interface *interface;
         struct usb_interface_descriptor *iface_desc;
         struct usb_endpoint_descriptor *endpoint;
         int minor;
@@ -525,7 +526,7 @@
         /* See if the device offered us matches what we can accept */
         if ((udev->descriptor.idVendor != USB_SKEL_VENDOR_ID) ||
             (udev->descriptor.idProduct != USB_SKEL_PRODUCT_ID)) {
- return NULL;
+ return -ENODEV;
         }
 
         down (&minor_table_mutex);
@@ -545,8 +546,6 @@
         memset (dev, 0x00, sizeof (*dev));
         minor_table[minor] = dev;
 
- interface = &udev->actconfig->interface[ifnum];
-
         init_MUTEX (&dev->sem);
         dev->udev = udev;
         dev->interface = interface;
@@ -619,7 +618,11 @@
 
 exit:
         up (&minor_table_mutex);
- return dev;
+ if (dev) {
+ dev_set_drvdata (&interface->dev, dev);
+ return 0;
+ }
+ return -ENODEV;
 }
 
 
@@ -628,13 +631,17 @@
  *
  * Called by the usb core when the device is removed from the system.
  */
-static void skel_disconnect(struct usb_device *udev, void *ptr)
+static void skel_disconnect(struct usb_interface *interface)
 {
         struct usb_skel *dev;
         int minor;
 
- dev = (struct usb_skel *)ptr;
-
+ dev = dev_get_drvdata (&interface->dev);
+ dev_set_drvdata (&interface->dev, NULL);
+
+ if (!dev)
+ return;
+
         down (&minor_table_mutex);
         down (&dev->sem);
                 
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Mon Sep 30 2002 - 22:00:32 EST