up (&usb_bus_list_lock);
usb_notify_add_bus(bus);
- usbfs_add_bus (bus);
usbmon_notify_bus_add (bus);
dev_info (bus->controller, "new USB bus registered, assigned bus number %d\n", bus->busnum);
usb_notify_remove_bus(bus);
usbmon_notify_bus_remove (bus);
- usbfs_remove_bus (bus);
clear_bit (bus->busnum, busmap.busmap);
* these are expected to be called from the USB core/hub thread
* with the kernel lock held
*/
-extern void usbfs_add_bus(struct usb_bus *bus);
-extern void usbfs_remove_bus(struct usb_bus *bus);
-extern void usbfs_add_device(struct usb_device *dev);
-extern void usbfs_remove_device(struct usb_device *dev);
extern void usbfs_update_special (void);
-
extern int usbfs_init(void);
extern void usbfs_cleanup(void);
#else /* CONFIG_USB_DEVICEFS */
-static inline void usbfs_add_bus(struct usb_bus *bus) {}
-static inline void usbfs_remove_bus(struct usb_bus *bus) {}
-static inline void usbfs_add_device(struct usb_device *dev) {}
-static inline void usbfs_remove_device(struct usb_device *dev) {}
static inline void usbfs_update_special (void) {}
-
static inline int usbfs_init(void) { return 0; }
static inline void usbfs_cleanup(void) { }
*/
dev_dbg (&udev->dev, "unregistering device\n");
release_address(udev);
- usbfs_remove_device(udev);
usb_remove_sysfs_dev_files(udev);
/* Avoid races with recursively_mark_NOTATTACHED() */
/* USB device state == configured ... usable */
usb_notify_add_device(udev);
- /* add a /proc/bus/usb entry */
- usbfs_add_device(udev);
return 0;
fail:
#include <linux/usbdevice_fs.h>
#include <linux/smp_lock.h>
#include <linux/parser.h>
+#include <linux/notifier.h>
#include <asm/byteorder.h>
#include "usb.h"
#include "hcd.h"
}
}
-void usbfs_add_bus(struct usb_bus *bus)
+static void usbfs_add_bus(struct usb_bus *bus)
{
struct dentry *parent;
char name[8];
err ("error creating usbfs bus entry");
return;
}
-
- usbfs_update_special();
- usbfs_conn_disc_event();
}
-void usbfs_remove_bus(struct usb_bus *bus)
+static void usbfs_remove_bus(struct usb_bus *bus)
{
if (bus->usbfs_dentry) {
fs_remove_file (bus->usbfs_dentry);
remove_special_files();
num_buses = 0;
}
-
- usbfs_update_special();
- usbfs_conn_disc_event();
}
-void usbfs_add_device(struct usb_device *dev)
+static void usbfs_add_device(struct usb_device *dev)
{
char name[8];
int i;
}
if (dev->usbfs_dentry->d_inode)
dev->usbfs_dentry->d_inode->i_size = i_size;
-
- usbfs_update_special();
- usbfs_conn_disc_event();
}
-void usbfs_remove_device(struct usb_device *dev)
+static void usbfs_remove_device(struct usb_device *dev)
{
struct dev_state *ds;
struct siginfo sinfo;
kill_proc_info_as_uid(ds->discsignr, &sinfo, ds->disc_pid, ds->disc_uid, ds->disc_euid);
}
}
+}
+
+static int usbfs_notify(struct notifier_block *self, unsigned long action, void *dev)
+{
+ switch (action) {
+ case USB_DEVICE_ADD:
+ usbfs_add_device(dev);
+ break;
+ case USB_DEVICE_REMOVE:
+ usbfs_remove_device(dev);
+ break;
+ case USB_BUS_ADD:
+ usbfs_add_bus(dev);
+ break;
+ case USB_BUS_REMOVE:
+ usbfs_remove_bus(dev);
+ }
+
usbfs_update_special();
usbfs_conn_disc_event();
+ return NOTIFY_OK;
}
+static struct notifier_block usbfs_nb = {
+ .notifier_call = usbfs_notify,
+};
+
/* --------------------------------------------------------------------- */
static struct proc_dir_entry *usbdir = NULL;
if (retval)
return retval;
+ usb_register_notify(&usbfs_nb);
+
/* create mount point for usbfs */
usbdir = proc_mkdir("usb", proc_bus);
void usbfs_cleanup(void)
{
+ usb_unregister_notify(&usbfs_nb);
unregister_filesystem(&usb_fs_type);
if (usbdir)
remove_proc_entry("usb", proc_bus);