USB: remove CONFIG_USB_DEVICEFS
This option has been deprecated for many years now, and no userspace
tools use it anymore, so it should be safe to finally remove it.
Reported-by: Kay Sievers <kay@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 9a56635..112a7ae 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -726,16 +726,6 @@
return -ENODEV;
}
-#ifdef CONFIG_USB_DEVICEFS
- /* If this is available, userspace programs can directly read
- * all the device descriptors we don't tell them about. Or
- * act as usermode drivers.
- */
- if (add_uevent_var(env, "DEVICE=/proc/bus/usb/%03d/%03d",
- usb_dev->bus->busnum, usb_dev->devnum))
- return -ENOMEM;
-#endif
-
/* per-device configurations are common */
if (add_uevent_var(env, "PRODUCT=%x/%x/%x",
le16_to_cpu(usb_dev->descriptor.idVendor),
@@ -788,15 +778,13 @@
retval = driver_register(&new_udriver->drvwrap.driver);
- if (!retval) {
+ if (!retval)
pr_info("%s: registered new device driver %s\n",
usbcore_name, new_udriver->name);
- usbfs_update_special();
- } else {
+ else
printk(KERN_ERR "%s: error %d registering device "
" driver %s\n",
usbcore_name, retval, new_udriver->name);
- }
return retval;
}
@@ -815,7 +803,6 @@
usbcore_name, udriver->name);
driver_unregister(&udriver->drvwrap.driver);
- usbfs_update_special();
}
EXPORT_SYMBOL_GPL(usb_deregister_device_driver);
@@ -856,8 +843,6 @@
if (retval)
goto out;
- usbfs_update_special();
-
retval = usb_create_newid_files(new_driver);
if (retval)
goto out_newid;
@@ -897,8 +882,6 @@
usb_remove_newid_files(driver);
driver_unregister(&driver->drvwrap.driver);
usb_free_dynids(driver);
-
- usbfs_update_special();
}
EXPORT_SYMBOL_GPL(usb_deregister);