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authorGreg Kroah-Hartman <gregkh@suse.de>2005-06-20 21:15:16 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2005-10-28 16:47:46 -0700
commit72adaa962741e8e910300b66bb123b1a9c31a8a8 (patch)
tree3847dca1d8dadc31df3c7e3275cac8592603be33
parent54a5c4cd2e4ec0b27c2c3731727f52591456086c (diff)
[PATCH] USB: convert usbmon to use usb notifiers
This also removes 2 usbmon callbacks. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/usb/core/hcd.c2
-rw-r--r--drivers/usb/core/hcd.h16
-rw-r--r--drivers/usb/mon/mon_main.c23
3 files changed, 21 insertions, 20 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 16790ad0e2e..e8f2b8d8f14 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -793,7 +793,6 @@ static int usb_register_bus(struct usb_bus *bus)
up (&usb_bus_list_lock);
usb_notify_add_bus(bus);
- usbmon_notify_bus_add (bus);
dev_info (bus->controller, "new USB bus registered, assigned bus number %d\n", bus->busnum);
return 0;
@@ -821,7 +820,6 @@ static void usb_deregister_bus (struct usb_bus *bus)
up (&usb_bus_list_lock);
usb_notify_remove_bus(bus);
- usbmon_notify_bus_remove (bus);
clear_bit (bus->busnum, busmap.busmap);
diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h
index cc33886260c..a5d92943ff9 100644
--- a/drivers/usb/core/hcd.h
+++ b/drivers/usb/core/hcd.h
@@ -421,8 +421,6 @@ struct usb_mon_operations {
void (*urb_submit_error)(struct usb_bus *bus, struct urb *urb, int err);
void (*urb_complete)(struct usb_bus *bus, struct urb *urb);
/* void (*urb_unlink)(struct usb_bus *bus, struct urb *urb); */
- void (*bus_add)(struct usb_bus *bus);
- void (*bus_remove)(struct usb_bus *bus);
};
extern struct usb_mon_operations *mon_ops;
@@ -445,18 +443,6 @@ static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb)
if (bus->monitored)
(*mon_ops->urb_complete)(bus, urb);
}
-
-static inline void usbmon_notify_bus_add(struct usb_bus *bus)
-{
- if (mon_ops)
- (*mon_ops->bus_add)(bus);
-}
-
-static inline void usbmon_notify_bus_remove(struct usb_bus *bus)
-{
- if (mon_ops)
- (*mon_ops->bus_remove)(bus);
-}
int usb_mon_register(struct usb_mon_operations *ops);
void usb_mon_deregister(void);
@@ -467,8 +453,6 @@ static inline void usbmon_urb_submit(struct usb_bus *bus, struct urb *urb) {}
static inline void usbmon_urb_submit_error(struct usb_bus *bus, struct urb *urb,
int error) {}
static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb) {}
-static inline void usbmon_notify_bus_add(struct usb_bus *bus) {}
-static inline void usbmon_notify_bus_remove(struct usb_bus *bus) {}
#endif /* CONFIG_USB_MON */
diff --git a/drivers/usb/mon/mon_main.c b/drivers/usb/mon/mon_main.c
index 508a21028db..c34944c7504 100644
--- a/drivers/usb/mon/mon_main.c
+++ b/drivers/usb/mon/mon_main.c
@@ -11,6 +11,7 @@
#include <linux/usb.h>
#include <linux/debugfs.h>
#include <linux/smp_lock.h>
+#include <linux/notifier.h>
#include "usb_mon.h"
#include "../core/hcd.h"
@@ -205,6 +206,23 @@ static void mon_bus_remove(struct usb_bus *ubus)
up(&mon_lock);
}
+static int mon_notify(struct notifier_block *self, unsigned long action,
+ void *dev)
+{
+ switch (action) {
+ case USB_BUS_ADD:
+ mon_bus_add(dev);
+ break;
+ case USB_BUS_REMOVE:
+ mon_bus_remove(dev);
+ }
+ return NOTIFY_OK;
+}
+
+static struct notifier_block mon_nb = {
+ .notifier_call = mon_notify,
+};
+
/*
* Ops
*/
@@ -212,8 +230,6 @@ static struct usb_mon_operations mon_ops_0 = {
.urb_submit = mon_submit,
.urb_submit_error = mon_submit_error,
.urb_complete = mon_complete,
- .bus_add = mon_bus_add,
- .bus_remove = mon_bus_remove,
};
/*
@@ -329,6 +345,8 @@ static int __init mon_init(void)
}
// MOD_INC_USE_COUNT(which_module?);
+ usb_register_notify(&mon_nb);
+
down(&usb_bus_list_lock);
list_for_each_entry (ubus, &usb_bus_list, bus_list) {
mon_bus_init(mondir, ubus);
@@ -342,6 +360,7 @@ static void __exit mon_exit(void)
struct mon_bus *mbus;
struct list_head *p;
+ usb_unregister_notify(&mon_nb);
usb_mon_deregister();
down(&mon_lock);