From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6CF3EC433E2 for ; Fri, 11 Sep 2020 07:10:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 27C2621D81 for ; Fri, 11 Sep 2020 07:10:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725810AbgIKHKo (ORCPT ); Fri, 11 Sep 2020 03:10:44 -0400 Received: from coyote.holtmann.net ([212.227.132.17]:36124 "EHLO mail.holtmann.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725468AbgIKHKl (ORCPT ); Fri, 11 Sep 2020 03:10:41 -0400 Received: from marcel-macbook.fritz.box (p4ff9f430.dip0.t-ipconnect.de [79.249.244.48]) by mail.holtmann.org (Postfix) with ESMTPSA id 8C07CCED19; Fri, 11 Sep 2020 09:17:35 +0200 (CEST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.1\)) Subject: Re: [RESEND v1 0/2] Close UART port if NON_PERSISTENT_SETUP is set From: Marcel Holtmann In-Reply-To: <1599733843-20311-1-git-send-email-gubbaven@codeaurora.org> Date: Fri, 11 Sep 2020 09:10:39 +0200 Cc: Johan Hedberg , Matthias Kaehlcke , open list , linux-bluetooth , Hemantg , MSM , Balakrishna Godavarthi , rjliao@codeaurora.org, hbandi@codeaurora.org, abhishekpandit@chromium.org Content-Transfer-Encoding: 7bit Message-Id: References: <1599733843-20311-1-git-send-email-gubbaven@codeaurora.org> To: Venkata Lakshmi Narayana Gubba X-Mailer: Apple Mail (2.3608.120.23.2.1) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. Regards Marcel