5 files changed, 21 insertions, 6 deletions
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index bbad1207c..7a9d2da3c 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -411,7 +411,7 @@ int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver)
 		return PTR_ERR(skb);
 	}
 
-	if (skb->len != sizeof(*ver)) {
+	if (!skb || skb->len != sizeof(*ver)) {
 		bt_dev_err(hdev, "Intel version event size mismatch");
 		kfree_skb(skb);
 		return -EILSEQ;
diff --git a/drivers/bluetooth/btmtk.c b/drivers/bluetooth/btmtk.c
index 809762d64..b77e33777 100644
--- a/drivers/bluetooth/btmtk.c
+++ b/drivers/bluetooth/btmtk.c
@@ -288,4 +288,5 @@ MODULE_LICENSE("GPL");
 MODULE_FIRMWARE(FIRMWARE_MT7622);
 MODULE_FIRMWARE(FIRMWARE_MT7663);
 MODULE_FIRMWARE(FIRMWARE_MT7668);
+MODULE_FIRMWARE(FIRMWARE_MT7922);
 MODULE_FIRMWARE(FIRMWARE_MT7961);
diff --git a/drivers/bluetooth/btmtk.h b/drivers/bluetooth/btmtk.h
index 2a88ea8e4..ee0b1d27a 100644
--- a/drivers/bluetooth/btmtk.h
+++ b/drivers/bluetooth/btmtk.h
@@ -4,6 +4,7 @@
 #define FIRMWARE_MT7622		"mediatek/mt7622pr2h.bin"
 #define FIRMWARE_MT7663		"mediatek/mt7663pr2h.bin"
 #define FIRMWARE_MT7668		"mediatek/mt7668pr2h.bin"
+#define FIRMWARE_MT7922		"mediatek/BT_RAM_CODE_MT7922_1_1_hdr.bin"
 #define FIRMWARE_MT7961		"mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin"
 
 #define HCI_EV_WMT 0xe4
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 954f7f3b5..6a772b955 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -535,6 +535,8 @@ static const struct usb_device_id blacklist_table[] = {
 	/* Realtek 8852BE Bluetooth devices */
 	{ USB_DEVICE(0x0cb8, 0xc559), .driver_info = BTUSB_REALTEK |
 						     BTUSB_WIDEBAND_SPEECH },
+	{ USB_DEVICE(0x0bda, 0x4853), .driver_info = BTUSB_REALTEK |
+						     BTUSB_WIDEBAND_SPEECH },
 	{ USB_DEVICE(0x0bda, 0x887b), .driver_info = BTUSB_REALTEK |
 						     BTUSB_WIDEBAND_SPEECH },
 	{ USB_DEVICE(0x0bda, 0xb85b), .driver_info = BTUSB_REALTEK |
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 33956ddec..179278b80 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -1645,6 +1645,9 @@ static bool qca_wakeup(struct hci_dev *hdev)
 	struct hci_uart *hu = hci_get_drvdata(hdev);
 	bool wakeup;
 
+	if (!hu->serdev)
+		return true;
+
 	/* BT SoC attached through the serial bus is handled by the serdev driver.
 	 * So we need to use the device handle of the serdev driver to get the
 	 * status of device may wakeup.
@@ -2257,16 +2260,21 @@ static int qca_serdev_probe(struct serdev_device *serdev)
 		    (data->soc_type == QCA_WCN6750 ||
 		     data->soc_type == QCA_WCN6855)) {
 			dev_err(&serdev->dev, "failed to acquire BT_EN gpio\n");
-			power_ctrl_enabled = false;
+			return PTR_ERR(qcadev->bt_en);
 		}
 
+		if (!qcadev->bt_en)
+			power_ctrl_enabled = false;
+
 		qcadev->sw_ctrl = devm_gpiod_get_optional(&serdev->dev, "swctrl",
 					       GPIOD_IN);
 		if (IS_ERR(qcadev->sw_ctrl) &&
 		    (data->soc_type == QCA_WCN6750 ||
 		     data->soc_type == QCA_WCN6855 ||
-		     data->soc_type == QCA_WCN7850))
-			dev_warn(&serdev->dev, "failed to acquire SW_CTRL gpio\n");
+		     data->soc_type == QCA_WCN7850)) {
+			dev_err(&serdev->dev, "failed to acquire SW_CTRL gpio\n");
+			return PTR_ERR(qcadev->sw_ctrl);
+		}
 
 		qcadev->susclk = devm_clk_get_optional(&serdev->dev, NULL);
 		if (IS_ERR(qcadev->susclk)) {
@@ -2285,10 +2293,13 @@ static int qca_serdev_probe(struct serdev_device *serdev)
 		qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",
 					       GPIOD_OUT_LOW);
 		if (IS_ERR(qcadev->bt_en)) {
-			dev_warn(&serdev->dev, "failed to acquire enable gpio\n");
-			power_ctrl_enabled = false;
+			dev_err(&serdev->dev, "failed to acquire enable gpio\n");
+			return PTR_ERR(qcadev->bt_en);
 		}
 
+		if (!qcadev->bt_en)
+			power_ctrl_enabled = false;
+
 		qcadev->susclk = devm_clk_get_optional(&serdev->dev, NULL);
 		if (IS_ERR(qcadev->susclk)) {
 			dev_warn(&serdev->dev, "failed to acquire clk\n");