From patchwork Wed Mar 6 16:21:13 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Balakrishna Godavarthi X-Patchwork-Id: 10841455 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 AF47A1515 for ; Wed, 6 Mar 2019 16:21:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9B3382DE47 for ; Wed, 6 Mar 2019 16:21:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8F59C2E7F5; Wed, 6 Mar 2019 16:21:28 +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 3BFB22DE47 for ; Wed, 6 Mar 2019 16:21:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726978AbfCFQV1 (ORCPT ); Wed, 6 Mar 2019 11:21:27 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:50126 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726912AbfCFQV1 (ORCPT ); Wed, 6 Mar 2019 11:21:27 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 397D76118D; Wed, 6 Mar 2019 16:21:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1551889286; bh=Ep3Q5zPZhCzIJLT4Gg/hqPo6crzurFgXTohdFArXVV4=; h=From:To:Cc:Subject:Date:From; b=e7Z80az3JxwO58ikGDQIvcUjO5pGTXMF0dFIYl2a0Yz8ftLvQ/l2ZVZZq3CyYqf86 d9BnPsnLMg5+ONj/2hcc83FRADkKJxi384EAvd+06kIX5F3F+6vWHePWoD3iqsHrF8 Lc2+uuLo79qKrXG7qju1ipa5gM84Niiu8hchrG8s= Received: from bgodavar-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: bgodavar@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 724636115B; Wed, 6 Mar 2019 16:21:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1551889283; bh=Ep3Q5zPZhCzIJLT4Gg/hqPo6crzurFgXTohdFArXVV4=; h=From:To:Cc:Subject:Date:From; b=Ao8LyDPTEC/e5a5zdc+4sWuv+m9WXLMrXofjFIFNbMJ0ZNEYHFB21ox1tz2V9zEia ITxYZ0FhmxdfvOvsm/jhNx/srpfLTdtWGaJVDvU1zeZ7e80hcLrK3tOtOHnFT/GA0p dcpB2trU8YlJO8I/V42ijHNfKak/o7imWY0FWIiA= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 724636115B 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=bgodavar@codeaurora.org From: Balakrishna Godavarthi 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, rjliao@codeaurora.org, Balakrishna Godavarthi Subject: [PATCH v1] Bluetooth: hci_qca: Give enough time to ROME controller to bootup. Date: Wed, 6 Mar 2019 21:51:13 +0530 Message-Id: <20190306162113.8585-1-bgodavar@codeaurora.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 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 This patch enables enough time to ROME controller to bootup after we bring the enable ping out of reset. Signed-off-by: Balakrishna Godavarthi Reviewed-by: Rocky Liao Tested-by: Rocky Liao Tested-by: Claire Chang --- drivers/bluetooth/hci_qca.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 237aea34b69f..1953b13511e7 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -508,6 +508,8 @@ static int qca_open(struct hci_uart *hu) qcadev = serdev_device_get_drvdata(hu->serdev); if (qcadev->btsoc_type != QCA_WCN3990) { gpiod_set_value_cansleep(qcadev->bt_en, 1); + /* Controller needs time to bootup. */ + msleep(150); } else { hu->init_speed = qcadev->init_speed; hu->oper_speed = qcadev->oper_speed;