From patchwork Mon Apr 1 09:49:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Balakrishna Godavarthi X-Patchwork-Id: 10879517 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 DE9A91805 for ; Mon, 1 Apr 2019 09:49:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C385428161 for ; Mon, 1 Apr 2019 09:49:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B3FFE28334; Mon, 1 Apr 2019 09:49:31 +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 5F5FF28161 for ; Mon, 1 Apr 2019 09:49:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725868AbfDAJtZ (ORCPT ); Mon, 1 Apr 2019 05:49:25 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:36176 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725820AbfDAJtZ (ORCPT ); Mon, 1 Apr 2019 05:49:25 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 6A2B161B99; Mon, 1 Apr 2019 09:49:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1554112164; bh=VG3TqCxnl22+Ls83Eg0BsM79wjR3v/RdDX0Zthgp6pQ=; h=From:To:Cc:Subject:Date:From; b=cCke353Trlq+wRsFl7mgkDdb97SZFfNz31kV3velgd5onDKm37afgO4aij0H7NMAh MY24CdGVGs8onscetkwGdCVgIVqgicwvNnNkZ1NkpP3XijT9l54BgvO6adEGRDCKSH sip5lXurqTUkaA8swSbwAECFozNuj5xGQKk0L40o= 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 E6E4A61B89; Mon, 1 Apr 2019 09:49:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1554112162; bh=VG3TqCxnl22+Ls83Eg0BsM79wjR3v/RdDX0Zthgp6pQ=; h=From:To:Cc:Subject:Date:From; b=lqFL9USfwO3J62/FlGCjo8qtQ9Sr8xFfcXNEgATbkokbtq+pXDBtrxnkKBfkRHsSd lTF5yAiAI93+eYyjll7CC4nUY+hQyGQiDJhC3L00OZP5lCAerbWolgmmrUPFtuZ6Mi LfwHKSpWTgYEcCA4QzknVggfQMfOuyxzJylci0H8= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org E6E4A61B89 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, Balakrishna Godavarthi , Rocky Liao , Claire Chang Subject: [PATCH v2] Bluetooth: hci_qca: Give enough time to ROME controller to bootup. Date: Mon, 1 Apr 2019 15:19:08 +0530 Message-Id: <20190401094908.11460-1-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 pin out of reset. Fixes: 05ba533c5c11 ("Bluetooth: hci_qca: Add serdev support"). Signed-off-by: Balakrishna Godavarthi Reviewed-by: Rocky Liao Tested-by: Rocky Liao Tested-by: Claire Chang --- Changes in v2: * added fixes tag in the commit text. --- 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 4ea995d610d2..a80c3bc90904 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -523,6 +523,8 @@ 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;