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authorGreg Kroah-Hartman <gregkh@suse.de>2009-04-27 13:17:21 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2009-06-15 21:44:43 -0700
commit820d7a253c5e59a786d5b608f6e8d0419fdc2f6e (patch)
treead4c0a7eb64f3b42f84633e4beaea3b0f7cb6f48
parented14f0340a4954c1a9ffaff01c261428b5753e9d (diff)
USB: remove unused usb_host class
The usb_host class isn't used for anything anymore (it was used for debug files, but they have moved to debugfs a few kernel releases ago), so let's delete it before someone accidentally puts a file in it. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/usb/core/hcd.c27
-rw-r--r--drivers/usb/core/usb.c6
-rw-r--r--drivers/usb/core/usb.h2
-rw-r--r--include/linux/usb.h1
4 files changed, 0 insertions, 36 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 42b93da1085..c65d9560402 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -755,23 +755,6 @@ static struct attribute_group usb_bus_attr_group = {
/*-------------------------------------------------------------------------*/
-static struct class *usb_host_class;
-
-int usb_host_init(void)
-{
- int retval = 0;
-
- usb_host_class = class_create(THIS_MODULE, "usb_host");
- if (IS_ERR(usb_host_class))
- retval = PTR_ERR(usb_host_class);
- return retval;
-}
-
-void usb_host_cleanup(void)
-{
- class_destroy(usb_host_class);
-}
-
/**
* usb_bus_init - shared initialization code
* @bus: the bus structure being initialized
@@ -818,12 +801,6 @@ static int usb_register_bus(struct usb_bus *bus)
set_bit (busnum, busmap.busmap);
bus->busnum = busnum;
- bus->dev = device_create(usb_host_class, bus->controller, MKDEV(0, 0),
- bus, "usb_host%d", busnum);
- result = PTR_ERR(bus->dev);
- if (IS_ERR(bus->dev))
- goto error_create_class_dev;
-
/* Add it to the local list of buses */
list_add (&bus->bus_list, &usb_bus_list);
mutex_unlock(&usb_bus_list_lock);
@@ -834,8 +811,6 @@ static int usb_register_bus(struct usb_bus *bus)
"number %d\n", bus->busnum);
return 0;
-error_create_class_dev:
- clear_bit(busnum, busmap.busmap);
error_find_busnum:
mutex_unlock(&usb_bus_list_lock);
return result;
@@ -865,8 +840,6 @@ static void usb_deregister_bus (struct usb_bus *bus)
usb_notify_remove_bus(bus);
clear_bit (bus->busnum, busmap.busmap);
-
- device_unregister(bus->dev);
}
/**
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index c71590666ad..eb810bbe7bb 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -1055,9 +1055,6 @@ static int __init usb_init(void)
retval = bus_register_notifier(&usb_bus_type, &usb_bus_nb);
if (retval)
goto bus_notifier_failed;
- retval = usb_host_init();
- if (retval)
- goto host_init_failed;
retval = usb_major_init();
if (retval)
goto major_init_failed;
@@ -1087,8 +1084,6 @@ usb_devio_init_failed:
driver_register_failed:
usb_major_cleanup();
major_init_failed:
- usb_host_cleanup();
-host_init_failed:
bus_unregister_notifier(&usb_bus_type, &usb_bus_nb);
bus_notifier_failed:
bus_unregister(&usb_bus_type);
@@ -1113,7 +1108,6 @@ static void __exit usb_exit(void)
usb_deregister(&usbfs_driver);
usb_devio_cleanup();
usb_hub_cleanup();
- usb_host_cleanup();
bus_unregister_notifier(&usb_bus_type, &usb_bus_nb);
bus_unregister(&usb_bus_type);
ksuspend_usb_cleanup();
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index 79d8a9ea559..dabf9255a10 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -41,8 +41,6 @@ extern int usb_hub_init(void);
extern void usb_hub_cleanup(void);
extern int usb_major_init(void);
extern void usb_major_cleanup(void);
-extern int usb_host_init(void);
-extern void usb_host_cleanup(void);
#ifdef CONFIG_PM
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 29060dad81e..606e0aa5bbe 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -336,7 +336,6 @@ struct usb_bus {
#ifdef CONFIG_USB_DEVICEFS
struct dentry *usbfs_dentry; /* usbfs dentry entry for the bus */
#endif
- struct device *dev; /* device for this bus */
#if defined(CONFIG_USB_MON) || defined(CONFIG_USB_MON_MODULE)
struct mon_bus *mon_bus; /* non-null when associated */