[1/1] Bluetooth: Remove hci_req_le_suspend_config

Commit Message

Abhishek Pandit-Subedi Dec. 8, 2020, 12:12 a.m. UTC

Add a missing SUSPEND_SCAN_ENABLE in passive scan, remove the separate
function for configuring le scan during suspend and update the request
complete function to clear both enable and disable tasks.

Fixes: dce0a4be8054 ("Bluetooth: Set missing suspend task bits")
Reviewed-by: Alain Michaud <[e-mail]>
Signed-off-by: Abhishek Pandit-Subedi <[e-mail]>
---

 net/bluetooth/hci_request.c | 25 ++++++++-----------------
 1 file changed, 8 insertions(+), 17 deletions(-)

Comments

Marcel Holtmann Dec. 18, 2020, 9:27 p.m. UTC | #1

Hi Abhishek,

> Add a missing SUSPEND_SCAN_ENABLE in passive scan, remove the separate
> function for configuring le scan during suspend and update the request
> complete function to clear both enable and disable tasks.
> 
> Fixes: dce0a4be8054 ("Bluetooth: Set missing suspend task bits")
> Reviewed-by: Alain Michaud <[e-mail]>
> Signed-off-by: Abhishek Pandit-Subedi <[e-mail]>
> ---
> 
> net/bluetooth/hci_request.c | 25 ++++++++-----------------
> 1 file changed, 8 insertions(+), 17 deletions(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel

Patch

diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index 71bffd745472043..5aa7bd5030a218c 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -1087,6 +1087,8 @@  void hci_req_add_le_passive_scan(struct hci_request *req)
 	if (hdev->suspended) {
 		window = hdev->le_scan_window_suspend;
 		interval = hdev->le_scan_int_suspend;
+
+		set_bit(SUSPEND_SCAN_ENABLE, hdev->suspend_tasks);
 	} else if (hci_is_le_conn_scanning(hdev)) {
 		window = hdev->le_scan_window_connect;
 		interval = hdev->le_scan_int_connect;
@@ -1170,19 +1172,6 @@  static void hci_req_set_event_filter(struct hci_request *req)
 	hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
 }
 
-static void hci_req_config_le_suspend_scan(struct hci_request *req)
-{
-	/* Before changing params disable scan if enabled */
-	if (hci_dev_test_flag(req->hdev, HCI_LE_SCAN))
-		hci_req_add_le_scan_disable(req, false);
-
-	/* Configure params and enable scanning */
-	hci_req_add_le_passive_scan(req);
-
-	/* Block suspend notifier on response */
-	set_bit(SUSPEND_SCAN_ENABLE, req->hdev->suspend_tasks);
-}
-
 static void cancel_adv_timeout(struct hci_dev *hdev)
 {
 	if (hdev->adv_instance_timeout) {
@@ -1245,8 +1234,10 @@  static void suspend_req_complete(struct hci_dev *hdev, u8 status, u16 opcode)
 {
 	bt_dev_dbg(hdev, "Request complete opcode=0x%x, status=0x%x", opcode,
 		   status);
-	if (test_and_clear_bit(SUSPEND_SCAN_ENABLE, hdev->suspend_tasks) ||
-	    test_and_clear_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks)) {
+	if (test_bit(SUSPEND_SCAN_ENABLE, hdev->suspend_tasks) ||
+	    test_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks)) {
+		clear_bit(SUSPEND_SCAN_ENABLE, hdev->suspend_tasks);
+		clear_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks);
 		wake_up(&hdev->suspend_wait_q);
 	}
 }
@@ -1336,7 +1327,7 @@  void hci_req_prepare_suspend(struct hci_dev *hdev, enum suspended_state next)
 		/* Enable event filter for paired devices */
 		hci_req_set_event_filter(&req);
 		/* Enable passive scan at lower duty cycle */
-		hci_req_config_le_suspend_scan(&req);
+		__hci_update_background_scan(&req);
 		/* Pause scan changes again. */
 		hdev->scanning_paused = true;
 		hci_req_run(&req, suspend_req_complete);
@@ -1346,7 +1337,7 @@  void hci_req_prepare_suspend(struct hci_dev *hdev, enum suspended_state next)
 
 		hci_req_clear_event_filter(&req);
 		/* Reset passive/background scanning to normal */
-		hci_req_config_le_suspend_scan(&req);
+		__hci_update_background_scan(&req);
 
 		/* Unpause directed advertising */
 		hdev->advertising_paused = false;