Re: [RESEND v1 0/2] Close UART port if NON_PERSISTENT_SETUP is set

From: Marcel Holtmann
Date: Fri Sep 11 2020 - 03:10:46 EST

Hi Venkata,

> When HCI_QUIRK_NON_PERSISTENT_SETUP is set by drivers,
> it indicates that BT SoC will be completely powered OFF
> during BT OFF. On next BT ON firmware must be downloaded
> again. Holding UART port open during BT OFF is draining
> the battery. Now during BT OFF, UART port is closed if
> qurik HCI_QUIRK_NON_PERSISTENT_SETUP is set by clearing
> HCI_UART_PROTO_READY proto flag. On next BT ON, UART
> port is opened if HCI_UART_PROTO_READY proto flag is cleared.
> Venkata Lakshmi Narayana Gubba (2):
> Bluetooth: hci_serdev: Close UART port if NON_PERSISTENT_SETUP is set
> Bluetooth: hci_qca: Remove duplicate power off in proto close
> drivers/bluetooth/hci_qca.c | 5 ++---
> drivers/bluetooth/hci_serdev.c | 36 +++++++++++++++++++++++++++++++++---
> 2 files changed, 35 insertions(+), 6 deletions(-)

both patches have been applied to bluetooth-next tree.