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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 /drivers/usb/mon
parent54a5c4cd2e4ec0b27c2c3731727f52591456086c (diff)
downloadop-kernel-dev-72adaa962741e8e910300b66bb123b1a9c31a8a8.zip
op-kernel-dev-72adaa962741e8e910300b66bb123b1a9c31a8a8.tar.gz
[PATCH] USB: convert usbmon to use usb notifiers
This also removes 2 usbmon callbacks. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/mon')
-rw-r--r--drivers/usb/mon/mon_main.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/usb/mon/mon_main.c b/drivers/usb/mon/mon_main.c
index 508a210..c34944c 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);
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