Bluetooth: btintel: Skip reading firmware file version while in bootloader mode

This skips parsing the firmware version information from the firmware
file while controller is in bootloader mode. As in bootloader mode,
we are supposed to patch unconditionally.
Signed-off-by: Lokendra Singh <lokendra.singh@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/btintel.c

@@ -1031,6 +1031,10 @@ int btintel_download_firmware(struct hci_dev *hdev,
 		/* Skip version checking */
 		break;
 	default:
+		/* Skip reading firmware file version in bootloader mode */
+		if (ver->fw_variant == 0x06)
+			break;
+
 		/* Skip download if firmware has the same version */
 		if (btintel_firmware_version(hdev, ver->fw_build_num,
 					     ver->fw_build_ww, ver->fw_build_yy,
@@ -1070,15 +1074,19 @@ int btintel_download_firmware_newgen(struct hci_dev *hdev,
 	int err;
 	u32 css_header_ver;
 
-	/* Skip download if firmware has the same version */
-	if (btintel_firmware_version(hdev, ver->min_fw_build_nn,
-				     ver->min_fw_build_cw, ver->min_fw_build_yy,
-				     fw, boot_param)) {
-		bt_dev_info(hdev, "Firmware already loaded");
-		/* Return -EALREADY to indicate that firmware has already been
-		 * loaded.
-		 */
-		return -EALREADY;
+	/* Skip reading firmware file version in bootloader mode */
+	if (ver->img_type != 0x01) {
+		/* Skip download if firmware has the same version */
+		if (btintel_firmware_version(hdev, ver->min_fw_build_nn,
+					     ver->min_fw_build_cw,
+					     ver->min_fw_build_yy,
+					     fw, boot_param)) {
+			bt_dev_info(hdev, "Firmware already loaded");
+			/* Return -EALREADY to indicate that firmware has
+			 * already been loaded.
+			 */
+			return -EALREADY;
+		}
 	}
 
 	/* The firmware variant determines if the device is in bootloader