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Bluetooth: hci_sync: Rework hci_suspend_notifier

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This makes hci_suspend_notifier use the hci_*_sync which can be
executed synchronously which is allowed in the suspend_notifier and
simplifies a lot of the handling since the status of each command can
be checked inline so no other work need to be scheduled thus can be
performed without using of a state machine.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Luiz Augusto von Dentz
2021-10-27 16:59:00 -07:00
committed by Marcel Holtmann
parent d0b137062b
commit 182ee45da0
10 changed files with 651 additions and 639 deletions
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4
include/net/bluetooth/hci_core.h
View File

@@ -523,7 +523,6 @@ struct hci_dev {
bool advertising_paused;
struct notifier_block suspend_notifier;
struct work_struct suspend_prepare;
enum suspended_state suspend_state_next;
enum suspended_state suspend_state;
bool scanning_paused;
@@ -532,9 +531,6 @@ struct hci_dev {
bdaddr_t wake_addr;
u8 wake_addr_type;
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;

3
include/net/bluetooth/hci_sync.h
View File

@@ -92,3 +92,6 @@ int hci_set_powered_sync(struct hci_dev *hdev, u8 val);
int hci_start_discovery_sync(struct hci_dev *hdev);
int hci_stop_discovery_sync(struct hci_dev *hdev);
int hci_suspend_sync(struct hci_dev *hdev);
int hci_resume_sync(struct hci_dev *hdev);