diff options
| author | Nagarjuna Kristam <nkristam@nvidia.com> | 2012-06-06 15:10:08 +0530 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2012-06-12 23:44:13 -0700 |
| commit | bd7a4f33e8f0cb5cb9b78471e635c59d0fad6570 (patch) | |
| tree | 13193c77b92e51f8bd659cc60e50003308eb7ade /net | |
| parent | c9a598f40f303dd9ec61080f5bff7b74996f83f3 (diff) | |
bluetooth: Re-add HCI notifier handling
Perform partial revert of 040030ef7d907107e6489b39da518bdf94136d68
(Bluetooth: Remove HCI notifier handling). HCI notifier is being used by
bluetooth power management driver(bluesleep).
Re-use atomic notifier chain to notify HCI events
bug 999221
Change-Id: Ifbd95f7e679d3cac577785cb7a9eda5736e1fa7b
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: http://git-master/r/106729
Reviewed-by: Varun Wadekar <vwadekar@nvidia.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/bluetooth/hci_core.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 70a398ed4011..a07800fdb16c 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -40,6 +40,7 @@ #include <linux/skbuff.h> #include <linux/workqueue.h> #include <linux/interrupt.h> +#include <linux/notifier.h> #include <linux/rfkill.h> #include <linux/timer.h> #include <linux/crypto.h> @@ -65,10 +66,23 @@ DEFINE_RWLOCK(hci_dev_list_lock); LIST_HEAD(hci_cb_list); DEFINE_RWLOCK(hci_cb_list_lock); +/* HCI notifiers list */ +static ATOMIC_NOTIFIER_HEAD(hci_notifier); /* ---- HCI notifications ---- */ +int hci_register_notifier(struct notifier_block *nb) +{ + return atomic_notifier_chain_register(&hci_notifier, nb); +} + +int hci_unregister_notifier(struct notifier_block *nb) +{ + return atomic_notifier_chain_unregister(&hci_notifier, nb); +} + static void hci_notify(struct hci_dev *hdev, int event) { + atomic_notifier_call_chain(&hci_notifier, event, hdev); hci_sock_dev_event(hdev, event); } |