Hi Luiz, > This prints warnings for controllers setting broken quirks to increase > their visibility and warn about broken controllers firmware that > probably needs updates to behave properly. > > Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> > --- > net/bluetooth/hci_sync.c | 44 ++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 44 insertions(+) > > diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c > index 8f4c5698913d..089500136096 100644 > --- a/net/bluetooth/hci_sync.c > +++ b/net/bluetooth/hci_sync.c > @@ -3825,6 +3825,48 @@ static int hci_init_sync(struct hci_dev *hdev) > return 0; > } > > +#define HCI_BROKEN(_quirk, _desc) \ > +{ \ > + .quirk = _quirk, \ > + .desc = _desc, \ > +} > + > +struct hci_broken { > + unsigned long quirk; > + const char *desc; > +} hci_broken_table[] = { > + HCI_BROKEN(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, > + "HCI Read Local Supported Commands not supported"), > + HCI_BROKEN(HCI_QUIRK_BROKEN_STORED_LINK_KEY, > + "HCI Delete Stored Link Key command is advertised, " > + "but not supported."), > + HCI_BROKEN(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, > + "HCI Read Default Erroneous Data Reporting command is " > + "advertised, but not supported."), > + HCI_BROKEN(HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER, > + "HCI Read Transmit Power Level command is advertised, " > + "but not supported."), > + HCI_BROKEN(HCI_QUIRK_BROKEN_FILTER_CLEAR_ALL, > + "HCI Set Event Filter command not supported."), > + HCI_BROKEN(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, > + "HCI Enhanced Setup Synchronous Connection command is " > + "advertised, but not supported.") > +}; static const hci_quirk_broken And then HCI_QUIRK_BROKEN(LOCAL_COMMANDS, “text”), > + > +static void hci_dev_print_broken(struct hci_dev *hdev) > +{ > + int i; > + > + bt_dev_dbg(hdev, ""); > + > + for (i = 0; i < ARRAY_SIZE(hci_broken_table); i++) { > + struct hci_broken *broken = &hci_broken_table[i]; > + > + if (test_bit(broken->quirk, &hdev->quirks)) > + bt_dev_warn(hdev, "%s", broken->desc); > + } > +} > + > int hci_dev_open_sync(struct hci_dev *hdev) > { > int ret = 0; > @@ -4031,6 +4073,8 @@ int hci_dev_open_sync(struct hci_dev *hdev) > } > > done: > + hci_dev_print_broken(hdev); > + This is wrong. It gets printed all the time and no matter if success or failure. This needs to go after hdev->setup. Regards Marcel