diff options
Diffstat (limited to 'drivers/bluetooth/btusb.c')
-rw-r--r-- | drivers/bluetooth/btusb.c | 56 |
1 files changed, 3 insertions, 53 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index a30f7ea9be36..f163f174185b 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2465,15 +2465,6 @@ static int btusb_intel_download_firmware_newgen(struct hci_dev *hdev, if (!ver || !boot_param) return -EINVAL; - /* The hardware platform number has a fixed value of 0x37 and - * for now only accept this single value. - */ - if (INTEL_HW_PLATFORM(ver->cnvi_bt) != 0x37) { - bt_dev_err(hdev, "Unsupported Intel hardware platform (0x%2x)", - INTEL_HW_PLATFORM(ver->cnvi_bt)); - return -EINVAL; - } - /* The firmware variant determines if the device is in bootloader * mode or is running operational firmware. The value 0x03 identifies * the bootloader and the value 0x23 identifies the operational @@ -2492,49 +2483,6 @@ static int btusb_intel_download_firmware_newgen(struct hci_dev *hdev, btintel_check_bdaddr(hdev); } - /* Check for supported iBT hardware variants of this firmware - * loading method. - * - * This check has been put in place to ensure correct forward - * compatibility options when newer hardware variants come along. - */ - switch (INTEL_HW_VARIANT(ver->cnvi_bt)) { - case 0x17: /* TyP */ - case 0x18: /* Slr */ - case 0x19: /* Slr-F */ - break; - default: - bt_dev_err(hdev, "Unsupported Intel hardware variant (0x%x)", - INTEL_HW_VARIANT(ver->cnvi_bt)); - return -EINVAL; - } - - /* If the device is not in bootloader mode, then the only possible - * choice is to return an error and abort the device initialization. - */ - if (ver->img_type != 0x01) { - bt_dev_err(hdev, "Unsupported Intel firmware variant (0x%x)", - ver->img_type); - return -ENODEV; - } - - /* It is required that every single firmware fragment is acknowledged - * with a command complete event. If the boot parameters indicate - * that this bootloader does not send them, then abort the setup. - */ - if (ver->limited_cce != 0x00) { - bt_dev_err(hdev, "Unsupported Intel firmware loading method (0x%x)", - ver->limited_cce); - return -EINVAL; - } - - /* Secure boot engine type should be either 1 (ECDSA) or 0 (RSA) */ - if (ver->sbe_type > 0x01) { - bt_dev_err(hdev, "Unsupported Intel secure boot engine type (0x%x)", - ver->sbe_type); - return -EINVAL; - } - /* If the OTP has no valid Bluetooth device address, then there will * also be no valid address for the operational firmware. */ @@ -2972,7 +2920,9 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev) return err; } - btintel_version_info_tlv(hdev, &version); + err = btintel_version_info_tlv(hdev, &version); + if (err) + return err; err = btusb_intel_download_firmware_newgen(hdev, &version, &boot_param); if (err) |