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 18CD1C072B1 for ; Thu, 30 May 2019 04:10:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E738425130 for ; Thu, 30 May 2019 04:10:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559189419; bh=mSKlZux6lezkQaiVAF7+TsAapDtrd6W5CepR/4mSkWc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=JOBwNkdrFoxoMXVfwlZz3iKrqpBpKwG4+VgOW7glRgFPUVTJm2b6gjqxcEqsWuOHX r1Id6uWG8WPBoOdGwCXy68T3Xma+OkIvEeHj689DveUmxMhGr30vmnc4y5+7GZobv0 dwkrNnzE7vWKcpPY3lIPizoj2p5vVF8qUH4h5aH8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726942AbfE3EKM (ORCPT ); Thu, 30 May 2019 00:10:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:44776 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730895AbfE3DRC (ORCPT ); Wed, 29 May 2019 23:17:02 -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 B4951245EB; Thu, 30 May 2019 03:17:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559186221; bh=mSKlZux6lezkQaiVAF7+TsAapDtrd6W5CepR/4mSkWc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yOSPnBHonlfAf0MlKGC+cqdaRmaHTc7MeOQiD4bDcaLOS4tsBw5rGc4qOljmMNBFw t7ec6BH22ePlTmY4uxdrq8qpkFeiaQaXHmhov0N+KuVmLhUFi5ZN3ClWh0ZD3jPu+9 bUM9lkxdXknOgM5fIDXiCjbQOY+i5f/RCYLvXHQE= 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 4.19 114/276] Bluetooth: hci_qca: Give enough time to ROME controller to bootup. Date: Wed, 29 May 2019 20:04:32 -0700 Message-Id: <20190530030533.070327189@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030523.133519668@linuxfoundation.org> References: <20190530030523.133519668@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 f0d593c3fa728..77004c29da089 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -504,6 +504,8 @@ 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