diff options
author | Abhishek Pandit-Subedi <abhishekpandit@chromium.org> | 2020-03-11 08:54:00 -0700 |
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committer | Marcel Holtmann <marcel@holtmann.org> | 2020-03-11 18:00:48 +0100 |
commit | 9952d90ea2885d7cbf80cd233f694f09a9c0eaec (patch) | |
tree | 9b954ac288ac5dbcc782127c2b964012034fd2f6 /include | |
parent | 72da7b2ccabd5fd93d6b8d0093936e980602652b (diff) |
Bluetooth: Handle PM_SUSPEND_PREPARE and PM_POST_SUSPEND
Register for PM_SUSPEND_PREPARE and PM_POST_SUSPEND to make sure the
Bluetooth controller is prepared correctly for suspend/resume. Implement
the registration, scheduling and task handling portions only in this
patch.
Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'include')
-rw-r--r-- | include/net/bluetooth/hci_core.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index c498ac113930..d6f694b436bf 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -88,6 +88,20 @@ struct discovery_state { unsigned long scan_duration; }; +#define SUSPEND_NOTIFIER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ + +enum suspend_tasks { + SUSPEND_POWERING_DOWN, + + SUSPEND_PREPARE_NOTIFIER, + __SUSPEND_NUM_TASKS +}; + +enum suspended_state { + BT_RUNNING = 0, + BT_SUSPENDED, +}; + struct hci_conn_hash { struct list_head list; unsigned int acl_num; @@ -390,6 +404,15 @@ struct hci_dev { void *smp_bredr_data; struct discovery_state discovery; + + struct notifier_block suspend_notifier; + struct work_struct suspend_prepare; + enum suspended_state suspend_state_next; + enum suspended_state suspend_state; + + wait_queue_head_t suspend_wait_q; + DECLARE_BITMAP(suspend_tasks, __SUSPEND_NUM_TASKS); + struct hci_conn_hash conn_hash; struct list_head mgmt_pending; |