Merge branches 'release', 'acpi_pm_device_sleep_state' and 'battery' into release

[linux-2.6-omap-h63xx.git] / drivers / char / ipmi / ipmi_msghandler.c

diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 8435fba73dafdcd8e847403e25dee71d2feee90c..32b2b22996dc34efc189ccc71b5cdc2b6b3b4ba2 100644 (file)
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -221,10 +221,8 @@ struct ipmi_smi
        void                     *send_info;
 
 #ifdef CONFIG_PROC_FS
-       /* A list of proc entries for this interface.  This does not
-          need a lock, only one thread creates it and only one thread
-          destroys it. */
-       spinlock_t             proc_entry_lock;
+       /* A list of proc entries for this interface. */
+       struct mutex           proc_entry_lock;
        struct ipmi_proc_entry *proc_entries;
 #endif
 
@@ -367,12 +365,12 @@ static struct device_driver ipmidriver = {
 };
 static DEFINE_MUTEX(ipmidriver_mutex);
 
-static struct list_head ipmi_interfaces = LIST_HEAD_INIT(ipmi_interfaces);
+static LIST_HEAD(ipmi_interfaces);
 static DEFINE_MUTEX(ipmi_interfaces_mutex);
 
 /* List of watchers that want to know when smi's are added and
    deleted. */
-static struct list_head smi_watchers = LIST_HEAD_INIT(smi_watchers);
+static LIST_HEAD(smi_watchers);
 static DEFINE_MUTEX(smi_watchers_mutex);
 
 
@@ -443,7 +441,7 @@ struct watcher_entry {
 int ipmi_smi_watcher_register(struct ipmi_smi_watcher *watcher)
 {
        ipmi_smi_t intf;
-       struct list_head to_deliver = LIST_HEAD_INIT(to_deliver);
+       LIST_HEAD(to_deliver);
        struct watcher_entry *e, *e2;
 
        mutex_lock(&smi_watchers_mutex);
@@ -1891,11 +1889,11 @@ int ipmi_smi_add_proc_entry(ipmi_smi_t smi, char *name,
                file->write_proc = write_proc;
                file->owner = owner;
 
-               spin_lock(&smi->proc_entry_lock);
+               mutex_lock(&smi->proc_entry_lock);
                /* Stick it on the list. */
                entry->next = smi->proc_entries;
                smi->proc_entries = entry;
-               spin_unlock(&smi->proc_entry_lock);
+               mutex_unlock(&smi->proc_entry_lock);
        }
 #endif /* CONFIG_PROC_FS */
 
@@ -1939,7 +1937,7 @@ static void remove_proc_entries(ipmi_smi_t smi)
 #ifdef CONFIG_PROC_FS
        struct ipmi_proc_entry *entry;
 
-       spin_lock(&smi->proc_entry_lock);
+       mutex_lock(&smi->proc_entry_lock);
        while (smi->proc_entries) {
                entry = smi->proc_entries;
                smi->proc_entries = entry->next;
@@ -1948,7 +1946,7 @@ static void remove_proc_entries(ipmi_smi_t smi)
                kfree(entry->name);
                kfree(entry);
        }
-       spin_unlock(&smi->proc_entry_lock);
+       mutex_unlock(&smi->proc_entry_lock);
        remove_proc_entry(smi->proc_dir_name, proc_ipmi_root);
 #endif /* CONFIG_PROC_FS */
 }
@@ -2614,6 +2612,14 @@ channel_handler(ipmi_smi_t intf, struct ipmi_recv_msg *msg)
        return;
 }
 
+void ipmi_poll_interface(ipmi_user_t user)
+{
+       ipmi_smi_t intf = user->intf;
+
+       if (intf->handlers->poll)
+               intf->handlers->poll(intf->send_info);
+}
+
 int ipmi_register_smi(struct ipmi_smi_handlers *handlers,
                      void                     *send_info,
                      struct ipmi_device_id    *device_id,
@@ -2671,7 +2677,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers,
        }
        intf->curr_seq = 0;
 #ifdef CONFIG_PROC_FS
-       spin_lock_init(&intf->proc_entry_lock);
+       mutex_init(&intf->proc_entry_lock);
 #endif
        spin_lock_init(&intf->waiting_msgs_lock);
        INIT_LIST_HEAD(&intf->waiting_msgs);
@@ -4166,6 +4172,7 @@ EXPORT_SYMBOL(ipmi_destroy_user);
 EXPORT_SYMBOL(ipmi_get_version);
 EXPORT_SYMBOL(ipmi_request_settime);
 EXPORT_SYMBOL(ipmi_request_supply_msgs);
+EXPORT_SYMBOL(ipmi_poll_interface);
 EXPORT_SYMBOL(ipmi_register_smi);
 EXPORT_SYMBOL(ipmi_unregister_smi);
 EXPORT_SYMBOL(ipmi_register_for_cmd);