From patchwork Fri Dec 27 07:21:29 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rocky Liao X-Patchwork-Id: 11311011 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C255613A4 for ; Fri, 27 Dec 2019 07:21:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A093620CC7 for ; Fri, 27 Dec 2019 07:21:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="QnChPuWn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727044AbfL0HVo (ORCPT ); Fri, 27 Dec 2019 02:21:44 -0500 Received: from mail25.static.mailgun.info ([104.130.122.25]:10128 "EHLO mail25.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727028AbfL0HVm (ORCPT ); Fri, 27 Dec 2019 02:21:42 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1577431302; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=TpbkWdaDjhQ1TUyhTQjrHaVL5+FzHhxjQq2y/9mq47U=; b=QnChPuWnfu7Mh4N4TReBEUp+UVYGmVd8mTZr16QuK6wS7H3ImxYh2Z+S0/vl8ykjEuX8anne IT+t9gKNzP23GRBcLSp8uV69geLfXizYNLiI9J4sTs0TTXF/9469Hjdxd6vwPKqDHKnr4/uu ql9Nm603La45ABVEYERBaq3h+/M= X-Mailgun-Sending-Ip: 104.130.122.25 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e05b105.7f8a13cc01b8-smtp-out-n01; Fri, 27 Dec 2019 07:21:41 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 6DF68C433A2; Fri, 27 Dec 2019 07:21:41 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from rocky-Inspiron-7590.qca.qualcomm.com (unknown [180.166.53.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: rjliao) by smtp.codeaurora.org (Postfix) with ESMTPSA id 909D9C43383; Fri, 27 Dec 2019 07:21:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 909D9C43383 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=rjliao@codeaurora.org From: Rocky Liao To: marcel@holtmann.org, johan.hedberg@gmail.com Cc: linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-arm-msm@vger.kernel.org, Rocky Liao Subject: [PATCH v3 3/4] Bluetooth: hci_qca: Enable power off/on support during hci down/up for QCA Rome Date: Fri, 27 Dec 2019 15:21:29 +0800 Message-Id: <20191227072130.29431-3-rjliao@codeaurora.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191227072130.29431-1-rjliao@codeaurora.org> References: <20191225060317.5258-1-rjliao@codeaurora.org> <20191227072130.29431-1-rjliao@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This patch registers hdev->shutdown() callback and also sets HCI_QUIRK_NON_PERSISTENT_SETUP for QCA Rome. It will power-off the BT chip during hci down and power-on/initialize the chip again during hci up. Signed-off-by: Rocky Liao --- Changes in v2: None Changes in v3: - Move the quirk and callback register to probe() drivers/bluetooth/hci_qca.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 45042aa27fa4..ca0b38f065e5 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -1532,6 +1532,7 @@ static int qca_init_regulators(struct qca_power *qca, static int qca_serdev_probe(struct serdev_device *serdev) { struct qca_serdev *qcadev; + struct hci_dev *hdev; const struct qca_vreg_data *data; int err; @@ -1596,8 +1597,14 @@ static int qca_serdev_probe(struct serdev_device *serdev) return err; err = hci_uart_register_device(&qcadev->serdev_hu, &qca_proto); - if (err) + if (err) { clk_disable_unprepare(qcadev->susclk); + goto out; + } + + hdev = qcadev->serdev_hu.hdev; + set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks); + hdev->shutdown = qca_power_off; } out: return err;