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=-9.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 4839CC072B1 for ; Thu, 30 May 2019 04:29:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1F3D22558C for ; Thu, 30 May 2019 04:29:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559190591; bh=C5z9Bk167e3r31mhrvlDOQ2kyyHohCiznWZsGsX1/50=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=zcA+cr7v26Aiwm2YJCxWuLh8cZRoHTt/hVUhBsduUBZKFXrK5PG1EALM+MV0i7WQ6 65ni1d7Sz4c/xnYyVq/n0xBtFr7xQ/oLN4+IUf6VVvdSrtUwejRlYuCykA/r1LjtxE f0zEk5PzFJsiEhbqlMvWFc/fWB7Jz7CWSO/GhsIM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729780AbfE3E3o (ORCPT ); Thu, 30 May 2019 00:29:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:60996 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729659AbfE3DOB (ORCPT ); Wed, 29 May 2019 23:14:01 -0400 Received: from localhost (ip67-88-213-2.z213-88-67.customer.algx.net [67.88.213.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 669DE24570; Thu, 30 May 2019 03:14:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559186040; bh=C5z9Bk167e3r31mhrvlDOQ2kyyHohCiznWZsGsX1/50=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sKXKGd2B2akp1fllsHHU7ha5fmv6yIYE0jReanuJRSEjEyokeCTXRxQGHrQIP3b96 YRKL6nyKp9+JqAZfc9zIbwpu3xWHSAdy4QwOGGFoJ0LlMs7Tn3TXZVXylBcUckM4MI O1TiRnPBxZu0+atO2vH8k71Cih2iZvX2YVCI7fM8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Balakrishna Godavarthi , Rocky Liao , Claire Chang , Marcel Holtmann , Sasha Levin Subject: [PATCH 5.0 129/346] Bluetooth: hci_qca: Give enough time to ROME controller to bootup. Date: Wed, 29 May 2019 20:03:22 -0700 Message-Id: <20190530030547.653264330@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030540.363386121@linuxfoundation.org> References: <20190530030540.363386121@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org [ Upstream commit 7f09d5a6c33be66a5ca19bf9dd1c2d90c5dfcf0d ] 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 Signed-off-by: Marcel Holtmann Signed-off-by: Sasha Levin --- 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 f036c8f98ea33..97bc17670b7aa 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; -- 2.20.1