From patchwork Wed Nov 11 07:02:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Howard Chung X-Patchwork-Id: 11896513 X-Patchwork-Delegate: kuba@kernel.org 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 2D5A8C388F9 for ; Wed, 11 Nov 2020 07:03:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CBF55207BB for ; Wed, 11 Nov 2020 07:03:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="s/H6zmoL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726071AbgKKHCt (ORCPT ); Wed, 11 Nov 2020 02:02:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47304 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726070AbgKKHCq (ORCPT ); Wed, 11 Nov 2020 02:02:46 -0500 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 63C6FC0613D4 for ; Tue, 10 Nov 2020 23:02:46 -0800 (PST) Received: by mail-yb1-xb49.google.com with SMTP id c9so1442654ybs.8 for ; Tue, 10 Nov 2020 23:02:46 -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=s/H6zmoLfEXRQNcRx7zUFU8wfrx5RJAaSHfdhk84w3Dqq1BpMLRQQLcnGQe7KGOzyD a67A2Hhljl2ShnN7/NFTvFO4b9IN55IAl9CcULX3/Y7h8Mg2pjSQLNdnWj923uJ4O459 PublNtsKunIM7vnIfav+d11sNkZSJrFwRvtXcs81MrFGxeeBXS1noHnZLKF+yvqE9igb bY/TddyyNVGasiZRr9W2AFqbC9yoP6vNSqqQq9wejOVFbx52F6/yuevdhURow/hva6mu Au8f5v9OY4A8Vpcm2Iz3RTmNWgSCanNrWhEF9P6TEOG7Gz2qGx5ofh+rdJqUbWiTqwGn vyvg== 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=BRzmF6zzuLnSzYBp0gSWLK2fKTweUzgMVe3ThsI9zl1DLzoMj2CfgzZyciJBxoDxHl cj7x+KlNyLiwc3ff6a5xOCbsM65e4MGSlByMOWdLajC3BgHKYMBuEfmk9mTzhRRsa1ON iHLjXxF7yuRQdsmEu9JteJJ9gK1vFhmvwW0vSlqZ63P+lmzSaRyWm7prPPnI3psRf8i7 AoGxYY3Y5OKQttUFbdK7UMx/i8M6U1YF5TZCnQpcqVqDRvgwFIvorYRyFaE+Jwficxi8 inFvf/zBFKrMnZXU7il2qlm/NOW0VyCWm+rQeP9GTaUaqNjm6/Hy4mq38e1giK5Mjbjw 4Prg== X-Gm-Message-State: AOAM531yRKiQSbhRd1C+QYd3WRhZcVjPELLcvfqaPvVZ5l5vPw4Ihn4Y f7CL+EnuA848Hyhwk8hgj2H2UGN3ns8OK/K8vw== X-Google-Smtp-Source: ABdhPJzpTsl4TADfaUaX6uWEna/KkVxRUWr84P5WsPegWiLLwekP/jEttU9YuVCUBO9RwOFpxEZ5A6nPk+JgDefg7g== 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:a25:be90:: with SMTP id i16mr28501321ybk.189.1605078165464; Tue, 10 Nov 2020 23:02:45 -0800 (PST) Date: Wed, 11 Nov 2020 15:02:21 +0800 In-Reply-To: <20201111150115.v9.1.I55fa38874edc240d726c1de6e82b2ce57b64f5eb@changeid> Message-Id: <20201111150115.v9.3.I3774a8f0d748c7c6ec3402c4adcead32810c9164@changeid> Mime-Version: 1.0 References: <20201111150115.v9.1.I55fa38874edc240d726c1de6e82b2ce57b64f5eb@changeid> X-Mailer: git-send-email 2.29.2.222.g5d2a92d10f8-goog Subject: [PATCH v9 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: alainm@chromium.org, mmandlik@chromium.org, mcchou@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: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@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);