Hi Balakrishna, > During hci down we are sending reset command to chip, which > is not required for wcn3990, as hdev->shutdown() will turn off the > regulators. > > Signed-off-by: Balakrishna Godavarthi <bgodavar@xxxxxxxxxxxxxx> > --- > drivers/bluetooth/hci_qca.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c > index 8301663f0004..97b57e0f4725 100644 > --- a/drivers/bluetooth/hci_qca.c > +++ b/drivers/bluetooth/hci_qca.c > @@ -1190,6 +1190,7 @@ static int qca_setup(struct hci_uart *hu) > */ > set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks); > set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks); > + clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); > hu->hdev->shutdown = qca_power_off; > ret = qca_wcn3990_init(hu); > if (ret) I am pretty certain that you didn’t want this quirk: /* When this quirk is set, the HCI Reset command is send when * closing the transport instead of when opening it. This quirk is for Bluetooth 1.0b devices where the HCI_Reset behavior was not clear or for devices that actually misbehave with the initial HCI_Reset. In addition, you commit message is totally misleading. That is not what is happening with this quirk. Regards Marcel