[Bug 60824] [PATCH][regression] Cambridge Silicon Radio, Ltd Bluetooth Dongle unusable

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=60824

--- Comment #256 from Zijun Hu (quic_zijuhu@quicinc.com) ---
it seems there are indeed CSR devices which say they support
HCI_Read_Default_-Erroneous_Data_Reporting from output of both
HCI_Read_Local_Supported_-Commands
and HCI_Read_Local_Supported_Features. but  they don't support the command
actually.

but is it worth for such getting info commands error to cause BT initialization 
failure?

/* HCI Controller init stage 3 command sequence */
static const struct hci_init_stage hci_init3[] = {
        /* HCI_OP_SET_EVENT_MASK */
        HCI_INIT(hci_set_event_mask_sync),
        /* HCI_OP_READ_STORED_LINK_KEY */
        HCI_INIT(hci_read_stored_link_key_sync),
        /* HCI_OP_WRITE_DEF_LINK_POLICY */
        HCI_INIT(hci_setup_link_policy_sync),
        /* HCI_OP_READ_PAGE_SCAN_ACTIVITY */
        HCI_INIT(hci_read_page_scan_activity_sync),
        /* HCI_OP_READ_DEF_ERR_DATA_REPORTING */
        HCI_INIT(hci_read_def_err_data_reporting_sync),
        /* HCI_OP_READ_PAGE_SCAN_TYPE */
        HCI_INIT(hci_read_page_scan_type_sync),
        /* HCI_OP_READ_LOCAL_EXT_FEATURES */
        HCI_INIT(hci_read_local_ext_features_all_sync),
        {}
};

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