From patchwork Tue Nov 10 10:17:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yun-hao Chung X-Patchwork-Id: 321163 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=-20.4 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=unavailable 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 1ED05C4741F for ; Tue, 10 Nov 2020 10:19:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A98D420639 for ; Tue, 10 Nov 2020 10:19:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="Yybuizz6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730242AbgKJKSu (ORCPT ); Tue, 10 Nov 2020 05:18:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49708 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729630AbgKJKSs (ORCPT ); Tue, 10 Nov 2020 05:18:48 -0500 Received: from mail-pf1-x44a.google.com (mail-pf1-x44a.google.com [IPv6:2607:f8b0:4864:20::44a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B5EFDC0613D3 for ; Tue, 10 Nov 2020 02:18:48 -0800 (PST) Received: by mail-pf1-x44a.google.com with SMTP id l188so8945198pfl.23 for ; Tue, 10 Nov 2020 02:18:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=/ezy6lAqc7MUpQhd7aVdTsjzC/c2bjGSDjWe3QgakvQ=; b=Yybuizz6Mc33yHPec9FElLcYFRiTkf1aiM2CvR0ktL7KzOSRcV1EUd13NWQYKcgjth k/z9RoC4BvYZnVprvkFJnxbcC7jPYLSKr5o9x8JTiqOVDN/XbxinyH/QFjWPBLxRJUiq pdIK/Pf+WRRKrh4C7aQv9oIssB+aI+qiGK3f4e6TgCwpm62QQtogpDPx+XXbFJcgHBOk ABxC8JtX8UODMqGw1L4b1X7iyGFHjKfTIaIjxtmjT+YVNny8S8Kr9clHEQ2jJiJ6yq9I Ltas9d24vQ5N/dfDcnuUIZp6VyJm4BHX6mscE6cAo8ha+e2/ycACkuyIEhBSIcN6n8HI QOpw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=/ezy6lAqc7MUpQhd7aVdTsjzC/c2bjGSDjWe3QgakvQ=; b=hxqhOPgp2n0/YmxmqP/c98uHknVpZpRZb0ZZLrE9ZjQC0jFYrlaQY7k/zfWVEum13O Bugdbh4eClAqKo4OkMlctIRGl4sRFJfOHPYsHdmmXCd49vuD1mSaJ4jcKTKVLbfDVjHo ND+75dbvxOdqNE3gBSf50l/yiTdeYSrABfiOAK0wEgB7HRMmZ5GT0Xxhs7Mn81l0DmjV aDV7EJnimhziBrJiTVM5jKSUuJUNSUYUn3yYx3NpGD5TEo6vNjjUP+RfXWsxfs5tOMuw zpH5Uqt/UtHFKGDuXfa/D8P0UybgsIAnI//rBmbEaKmIrLon9Ion1d9nMtXh94Xl/HwG QoDg== X-Gm-Message-State: AOAM532FIU5er013HiTwDMEALe1xhLdyE6qwltLdcfN1ujWiurYkqNi4 EIqr1Vj1u4Tu+GOdXFCgscAiHP2Tq+l9QV256FvSr7QOrC7dFcpCepcdjrK0Q1b/fR5qTMobUfH mHIZOaeZNe8aEU+7ENp8bFnzhyVfIhpnWBoZxOl3eBqjrD2W0ZNvo+N6GSRRfVuiAKXWZW6d7JV n5zLUYNW4XYkE= X-Google-Smtp-Source: ABdhPJwHkpKNrKFUFMOYgnQsqYxdKy56iUBJN/YTKnaGpMPdfnI8Y8AqTrIkm02d8C1B5pRTr8rM/OLutcE/QTwGeA== Sender: "howardchung via sendgmr" X-Received: from howardchung-p920.tpe.corp.google.com ([2401:fa00:1:10:f693:9fff:fef4:4e45]) (user=howardchung job=sendgmr) by 2002:a05:6a00:16c7:b029:163:ce86:1d5d with SMTP id l7-20020a056a0016c7b0290163ce861d5dmr17262650pfc.80.1605003528100; Tue, 10 Nov 2020 02:18:48 -0800 (PST) Date: Tue, 10 Nov 2020 18:17:52 +0800 In-Reply-To: <20201110181740.v8.1.I55fa38874edc240d726c1de6e82b2ce57b64f5eb@changeid> Message-Id: <20201110181740.v8.3.I3774a8f0d748c7c6ec3402c4adcead32810c9164@changeid> Mime-Version: 1.0 References: <20201110181740.v8.1.I55fa38874edc240d726c1de6e82b2ce57b64f5eb@changeid> X-Mailer: git-send-email 2.29.2.222.g5d2a92d10f8-goog Subject: [PATCH v8 3/6] Bluetooth: Handle system suspend resume case From: Howard Chung To: linux-bluetooth@vger.kernel.org, marcel@holtmann.org, luiz.dentz@gmail.com Cc: mmandlik@chromium.org, mcchou@chromium.org, alainm@chromium.org, Howard Chung , Abhishek Pandit-Subedi , "David S. Miller" , Jakub Kicinski , Johan Hedberg , linux-kernel@vger.kernel.org, netdev@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org This patch adds code to handle the system suspension during interleave scan. The interleave scan will be canceled when the system is going to sleep, and will be restarted after waking up. Signed-off-by: Howard Chung Reviewed-by: Alain Michaud Reviewed-by: Manish Mandlik Reviewed-by: Abhishek Pandit-Subedi Reviewed-by: Miao-chen Chou --- (no changes since v5) Changes in v5: - Remove the change in hci_req_config_le_suspend_scan net/bluetooth/hci_request.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c index 2fd56ee21d31f..d943ad2885aa0 100644 --- a/net/bluetooth/hci_request.c +++ b/net/bluetooth/hci_request.c @@ -1293,8 +1293,10 @@ void hci_req_prepare_suspend(struct hci_dev *hdev, enum suspended_state next) hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &page_scan); /* Disable LE passive scan if enabled */ - if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) + if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) { + cancel_interleave_scan(hdev); hci_req_add_le_scan_disable(&req, false); + } /* Mark task needing completion */ set_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks);