diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index eea18aed17f8ab86cee100604960656e518f4e40..096a604ef47f0a3cfe6fc50f7d664df532e7ff8e 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -50,6 +50,8 @@
 #define IBS_HOST_TX_IDLE_TIMEOUT_MS	2000
 #define CMD_TRANS_TIMEOUT_MS		100
 #define MEMDUMP_TIMEOUT_MS		8000
+#define IBS_DISABLE_SSR_TIMEOUT_MS	(MEMDUMP_TIMEOUT_MS + 1000)
+#define FW_DOWNLOAD_TIMEOUT_MS		3000
 
 /* susclk rate */
 #define SUSCLK_RATE_32KHZ	32768
@@ -68,12 +70,13 @@
 #define QCA_MEMDUMP_BYTE		0xFB
 
 enum qca_flags {
-	QCA_IBS_ENABLED,
+	QCA_IBS_DISABLED,
 	QCA_DROP_VENDOR_EVENT,
 	QCA_SUSPENDING,
 	QCA_MEMDUMP_COLLECTION,
 	QCA_HW_ERROR_EVENT,
-	QCA_SSR_TRIGGERED
+	QCA_SSR_TRIGGERED,
+	QCA_BT_OFF
 };
 
 enum qca_capabilities {
@@ -870,7 +873,7 @@ static int qca_enqueue(struct hci_uart *hu, struct sk_buff *skb)
 	 * Out-Of-Band(GPIOs control) sleep is selected.
 	 * Don't wake the device up when suspending.
 	 */
-	if (!test_bit(QCA_IBS_ENABLED, &qca->flags) ||
+	if (test_bit(QCA_IBS_DISABLED, &qca->flags) ||
 	    test_bit(QCA_SUSPENDING, &qca->flags)) {
 		skb_queue_tail(&qca->txq, skb);
 		spin_unlock_irqrestore(&qca->hci_ibs_lock, flags);
@@ -905,7 +908,7 @@ static int qca_enqueue(struct hci_uart *hu, struct sk_buff *skb)
 	default:
 		BT_ERR("Illegal tx state: %d (losing packet)",
 		       qca->tx_ibs_state);
-		kfree_skb(skb);
+		dev_kfree_skb_irq(skb);
 		break;
 	}
 
@@ -1015,7 +1018,7 @@ static void qca_controller_memdump(struct work_struct *work)
 			 * the controller to send the dump is 8 seconds. let us
 			 * start timer to handle this asynchronous activity.
 			 */
-			clear_bit(QCA_IBS_ENABLED, &qca->flags);
+			set_bit(QCA_IBS_DISABLED, &qca->flags);
 			set_bit(QCA_MEMDUMP_COLLECTION, &qca->flags);
 			dump = (void *) skb->data;
 			dump_size = __le32_to_cpu(dump->dump_size);
@@ -1621,6 +1624,7 @@ static int qca_power_on(struct hci_dev *hdev)
 	struct hci_uart *hu = hci_get_drvdata(hdev);
 	enum qca_btsoc_type soc_type = qca_soc_type(hu);
 	struct qca_serdev *qcadev;
+	struct qca_data *qca = hu->priv;
 	int ret = 0;
 
 	/* Non-serdev device usually is powered by external power
@@ -1640,6 +1644,7 @@ static int qca_power_on(struct hci_dev *hdev)
 		}
 	}
 
+	clear_bit(QCA_BT_OFF, &qca->flags);
 	return ret;
 }
 
@@ -1659,7 +1664,7 @@ static int qca_setup(struct hci_uart *hu)
 		return ret;
 
 	/* Patch downloading has to be done without IBS mode */
-	clear_bit(QCA_IBS_ENABLED, &qca->flags);
+	set_bit(QCA_IBS_DISABLED, &qca->flags);
 
 	/* Enable controller to do both LE scan and BR/EDR inquiry
 	 * simultaneously.
@@ -1710,7 +1715,7 @@ static int qca_setup(struct hci_uart *hu)
 	ret = qca_uart_setup(hdev, qca_baudrate, soc_type, soc_ver,
 			firmware_name);
 	if (!ret) {
-		set_bit(QCA_IBS_ENABLED, &qca->flags);
+		clear_bit(QCA_IBS_DISABLED, &qca->flags);
 		qca_debugfs_init(hdev);
 		hu->hdev->hw_error = qca_hw_error;
 		hu->hdev->cmd_timeout = qca_cmd_timeout;
@@ -1814,7 +1819,7 @@ static void qca_power_shutdown(struct hci_uart *hu)
 	 * data in skb's.
 	 */
 	spin_lock_irqsave(&qca->hci_ibs_lock, flags);
-	clear_bit(QCA_IBS_ENABLED, &qca->flags);
+	set_bit(QCA_IBS_DISABLED, &qca->flags);
 	qca_flush(hu);
 	spin_unlock_irqrestore(&qca->hci_ibs_lock, flags);
 
@@ -1833,6 +1838,8 @@ static void qca_power_shutdown(struct hci_uart *hu)
 	} else if (qcadev->bt_en) {
 		gpiod_set_value_cansleep(qcadev->bt_en, 0);
 	}
+
+	set_bit(QCA_BT_OFF, &qca->flags);
 }
 
 static int qca_power_off(struct hci_dev *hdev)
@@ -2057,10 +2064,17 @@ static void qca_serdev_shutdown(struct device *dev)
 	int timeout = msecs_to_jiffies(CMD_TRANS_TIMEOUT_MS);
 	struct serdev_device *serdev = to_serdev_device(dev);
 	struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);
+	struct hci_uart *hu = &qcadev->serdev_hu;
+	struct hci_dev *hdev = hu->hdev;
+	struct qca_data *qca = hu->priv;
 	const u8 ibs_wake_cmd[] = { 0xFD };
 	const u8 edl_reset_soc_cmd[] = { 0x01, 0x00, 0xFC, 0x01, 0x05 };
 
 	if (qcadev->btsoc_type == QCA_QCA6390) {
+		if (test_bit(QCA_BT_OFF, &qca->flags) ||
+		    !test_bit(HCI_RUNNING, &hdev->flags))
+			return;
+
 		serdev_device_write_flush(serdev);
 		ret = serdev_device_write_buf(serdev, ibs_wake_cmd,
 					      sizeof(ibs_wake_cmd));
@@ -2093,11 +2107,34 @@ static int __maybe_unused qca_suspend(struct device *dev)
 	bool tx_pending = false;
 	int ret = 0;
 	u8 cmd;
+	u32 wait_timeout = 0;
 
 	set_bit(QCA_SUSPENDING, &qca->flags);
 
-	/* Device is downloading patch or doesn't support in-band sleep. */
-	if (!test_bit(QCA_IBS_ENABLED, &qca->flags))
+	if (test_bit(QCA_BT_OFF, &qca->flags))
+		return 0;
+
+	if (test_bit(QCA_IBS_DISABLED, &qca->flags)) {
+		wait_timeout = test_bit(QCA_SSR_TRIGGERED, &qca->flags) ?
+					IBS_DISABLE_SSR_TIMEOUT_MS :
+					FW_DOWNLOAD_TIMEOUT_MS;
+
+		/* QCA_IBS_DISABLED flag is set to true, During FW download
+		 * and during memory dump collection. It is reset to false,
+		 * After FW download complete and after memory dump collections.
+		 */
+		wait_on_bit_timeout(&qca->flags, QCA_IBS_DISABLED,
+			    TASK_UNINTERRUPTIBLE, msecs_to_jiffies(wait_timeout));
+
+		if (test_bit(QCA_IBS_DISABLED, &qca->flags)) {
+			bt_dev_err(hu->hdev, "SSR or FW download time out");
+			ret = -ETIMEDOUT;
+			goto error;
+		}
+	}
+
+	/* After memory dump collection, Controller is powered off.*/
+	if (test_bit(QCA_BT_OFF, &qca->flags))
 		return 0;
 
 	cancel_work_sync(&qca->ws_awake_device);