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 <ala...@chromium.org>
Signed-off-by: Abhishek Pandit-Subedi <abhishekpan...@chromium.org>
---
net/bluetooth/hci_request.c | 25 ++++++++-----------------
1 file changed, 8 insertions(+), 17 deletions(-)
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;
--
2.29.2.576.ga3fc446d84-goog
