From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 E0DF7C433FF for ; Thu, 8 Aug 2019 09:26:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B41532186A for ; Thu, 8 Aug 2019 09:26:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="mMu35nz5"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="N/T9Slau" 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 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 --- 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; } -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project