From patchwork Wed Mar 10 11:41:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Venkata Lakshmi Narayana Gubba X-Patchwork-Id: 12127863 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 D7242C433DB for ; Wed, 10 Mar 2021 11:42:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 88F1764FE5 for ; Wed, 10 Mar 2021 11:42:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231151AbhCJLmT (ORCPT ); Wed, 10 Mar 2021 06:42:19 -0500 Received: from alexa-out.qualcomm.com ([129.46.98.28]:63318 "EHLO alexa-out.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230214AbhCJLmI (ORCPT ); Wed, 10 Mar 2021 06:42:08 -0500 Received: from ironmsg09-lv.qualcomm.com ([10.47.202.153]) by alexa-out.qualcomm.com with ESMTP; 10 Mar 2021 03:42:07 -0800 X-QCInternal: smtphost Received: from ironmsg01-blr.qualcomm.com ([10.86.208.130]) by ironmsg09-lv.qualcomm.com with ESMTP/TLS/AES256-SHA; 10 Mar 2021 03:42:05 -0800 X-QCInternal: smtphost Received: from gubbaven-linux.qualcomm.com ([10.206.64.32]) by ironmsg01-blr.qualcomm.com with ESMTP; 10 Mar 2021 17:11:39 +0530 Received: by gubbaven-linux.qualcomm.com (Postfix, from userid 2365015) id 7098820F0F; Wed, 10 Mar 2021 17:11:38 +0530 (IST) From: Venkata Lakshmi Narayana Gubba To: marcel@holtmann.org, johan.hedberg@gmail.com Cc: mka@chromium.org, linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org, hemantg@codeaurora.org, linux-arm-msm@vger.kernel.org, bgodavar@codeaurora.org, rjliao@codeaurora.org, hbandi@codeaurora.org, abhishekpandit@chromium.org, Venkata Lakshmi Narayana Gubba Subject: [RFC PATCH v1] Bluetooth: hci_qca: Add device_may_wakeup support Date: Wed, 10 Mar 2021 17:11:36 +0530 Message-Id: <1615376496-13577-1-git-send-email-gubbaven@codeaurora.org> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Added device_may_wakeup() support. Signed-off-by: Venkata Lakshmi Narayana Gubba --- drivers/bluetooth/hci_qca.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index de36af6..73af901 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -1571,6 +1571,20 @@ static void qca_cmd_timeout(struct hci_dev *hdev) mutex_unlock(&qca->hci_memdump_lock); } +static bool qca_prevent_wake(struct hci_dev *hdev) +{ + struct hci_uart *hu = hci_get_drvdata(hdev); + bool wakeup; + + /* UART driver handles the interrupt from BT SoC.So we need to use + * device handle of UART driver to get the status of device may wakeup. + */ + wakeup = device_may_wakeup(hu->serdev->ctrl->dev.parent); + bt_dev_dbg(hu->hdev, "wakeup status : %d", wakeup); + + return !wakeup; +} + static int qca_wcn3990_init(struct hci_uart *hu) { struct qca_serdev *qcadev; @@ -1721,6 +1735,7 @@ static int qca_setup(struct hci_uart *hu) qca_debugfs_init(hdev); hu->hdev->hw_error = qca_hw_error; hu->hdev->cmd_timeout = qca_cmd_timeout; + hu->hdev->prevent_wake = qca_prevent_wake; } else if (ret == -ENOENT) { /* No patch/nvm-config found, run with original fw/config */ set_bit(QCA_ROM_FW, &qca->flags);