Firmware download to the WCN3990 often fails with a 'TLV response size mismatch' error:
[ 133.064659] Bluetooth: hci0: setting up wcn3990 [ 133.489150] Bluetooth: hci0: QCA controller version 0x02140201 [ 133.495245] Bluetooth: hci0: QCA Downloading qca/crbtfw21.tlv [ 133.507214] Bluetooth: hci0: QCA TLV response size mismatch [ 133.513265] Bluetooth: hci0: QCA Failed to download patch (-84) This is caused by a vendor event 'without command' that is misinterpreted. Drop the event. Matthias Kaehlcke (2): Bluetooth: hci_qca: Rename STATE_<flags> to QCA_<flags> Bluetooth: hci_qca: wcn3990: Drop baudrate change vendor event drivers/bluetooth/hci_qca.c | 73 ++++++++++++++++++++++++++++++++----- 1 file changed, 63 insertions(+), 10 deletions(-) -- 2.21.0.360.g471c308f928-goog
