diff options
author | Greg Kroah-Hartman <gregkh@suse.de> | 2005-06-20 21:15:16 -0700 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-10-28 16:47:46 -0700 |
commit | 72adaa962741e8e910300b66bb123b1a9c31a8a8 (patch) | |
tree | 3847dca1d8dadc31df3c7e3275cac8592603be33 /drivers | |
parent | 54a5c4cd2e4ec0b27c2c3731727f52591456086c (diff) | |
download | linux-stable-72adaa962741e8e910300b66bb123b1a9c31a8a8.tar.gz linux-stable-72adaa962741e8e910300b66bb123b1a9c31a8a8.tar.bz2 linux-stable-72adaa962741e8e910300b66bb123b1a9c31a8a8.zip |
[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')
-rw-r--r-- | drivers/usb/core/hcd.c | 2 | ||||
-rw-r--r-- | drivers/usb/core/hcd.h | 16 | ||||
-rw-r--r-- | drivers/usb/mon/mon_main.c | 23 |
3 files changed, 21 insertions, 20 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 16790ad0e2e4..e8f2b8d8f14d 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 cc33886260cd..a5d92943ff95 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 508a21028db4..c34944c75047 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); |