After SSR, host will not download the firmware, causing
controller to remain in the IBS_WAKE state. Host needs
to synchronize with the controller to maintain proper operation.
Signed-off-by: Shuai Zhang <quic_shuaz@xxxxxxxxxxx>
---
drivers/bluetooth/hci_qca.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 791f8d472..a17d3f7ae 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -1658,10 +1658,14 @@ static void qca_hw_error(struct hci_dev *hdev, u8 code)
* the QCA_SSR_TRIGGERED and QCA_IBS_DISABLED bits cannot be cleared.
* This leads to a reset command timeout failure.
* Also, add msleep delay to wait for controller to complete SSR.
+ *
+ * Host will not download the firmware after SSR, controller to remain
+ * in the IBS_WAKE state, and the host needs to synchronize with it
*/
if (!test_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks)) {
clear_bit(QCA_SSR_TRIGGERED, &qca->flags);
clear_bit(QCA_IBS_DISABLED, &qca->flags);
+ qca->tx_ibs_state = HCI_IBS_TX_AWAKE;
msleep(50);
}
--
2.34.1
