From patchwork Thu Aug 8 09:25:53 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Harish Bandi X-Patchwork-Id: 11083719 X-Patchwork-Delegate: agross@codeaurora.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5E43114DB for ; Thu, 8 Aug 2019 09:26:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4CD72289FC for ; Thu, 8 Aug 2019 09:26:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3DF4628AAE; Thu, 8 Aug 2019 09:26:14 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DC180289FC for ; Thu, 8 Aug 2019 09:26:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732076AbfHHJ0N (ORCPT ); Thu, 8 Aug 2019 05:26:13 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:45730 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732015AbfHHJ0N (ORCPT ); Thu, 8 Aug 2019 05:26:13 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 062FC6076C; Thu, 8 Aug 2019 09:26:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1565256372; bh=qW0uP162zlYE8xU1hw5SqjXMNqEdcyrHvoeLU0oMTIA=; h=From:To:Cc:Subject:Date:From; b=mMu35nz54piFBL/h67jSWXUdpMIk6mArY6CO8JMhrLCW/FVMLQ3I/FS4qUM8W6VGa SweaxcPBnKc2nI5hQVDMW9P48/3XpTTBQ4tfEIL4dj6XPVhG2FNtiUiixas42UCPfd voMCfJajwE+xUS9GL3GErW4Vcf55sj1jaDgWfLmE= Received: from c-hbandi-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: c-hbandi@codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 6E622602FC; Thu, 8 Aug 2019 09:26:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1565256370; bh=qW0uP162zlYE8xU1hw5SqjXMNqEdcyrHvoeLU0oMTIA=; h=From:To:Cc:Subject:Date:From; b=N/T9SlauS1Yj35CIxdcCCsSm4nIgzMx+f+mgSd81XlVpsniBmWeHGNTjPZyp32KGU Wrq55hHNH+KFqlBlxuidorCissNbveydEgzH6wIY/nr0Ql+HXCv93jqv5dsoPpdJFu uylbDGuOkonN+0/kTBprnW1FdYkxUAWGtUK+HhWw= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 6E622602FC Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=c-hbandi@codeaurora.org From: Harish Bandi 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, anubhavg@codeaurora.org, Harish Bandi Subject: [PATCH v1] Bluetooth: hci_qca: wait for Pre shutdown to command complete event before sending the Power off pulse Date: Thu, 8 Aug 2019 14:55:53 +0530 Message-Id: <1565256353-4476-1-git-send-email-c-hbandi@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP When SoC receives pre shut down command, it share the same with other COEX shared clients. So SoC needs a short time after sending VS pre shutdown command before turning off the regulators and sending the power off pulse. Signed-off-by: Harish Bandi Reviewed-by: Balakrishna Godavarthi --- drivers/bluetooth/btqca.c | 5 +++-- drivers/bluetooth/hci_qca.c | 2 ++ 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c index 2221935..f20991e 100644 --- a/drivers/bluetooth/btqca.c +++ b/drivers/bluetooth/btqca.c @@ -106,8 +106,9 @@ int qca_send_pre_shutdown_cmd(struct hci_dev *hdev) bt_dev_dbg(hdev, "QCA pre shutdown cmd"); - skb = __hci_cmd_sync(hdev, QCA_PRE_SHUTDOWN_CMD, 0, - NULL, HCI_INIT_TIMEOUT); + skb = __hci_cmd_sync_ev(hdev, QCA_PRE_SHUTDOWN_CMD, 0, + NULL, HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { err = PTR_ERR(skb); bt_dev_err(hdev, "QCA preshutdown_cmd failed (%d)", err); diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 16db6c0..566aa28 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -1386,6 +1386,8 @@ static int qca_power_off(struct hci_dev *hdev) /* Perform pre shutdown command */ qca_send_pre_shutdown_cmd(hdev); + usleep_range(8000, 10000); + qca_power_shutdown(hu); return 0; }