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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 681BCC282DD for ; Wed, 22 May 2019 19:42:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 30A3120862 for ; Wed, 22 May 2019 19:42:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558554172; bh=9gu/ehZ6l8f0SZ+JITBMqr2JTBHP/QbQzVgj0ArK6VU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=zpBU9NmADLVw3zdiMcgH1NFbmmeOtT4Wk9liZbJ0dDULBQoCZnrGCQIr0YpSesitL pReRML2HqrJgK9HR7pxZqKpLeOBFUhaODd8ecG0i/+n825/573tBjyqvqjXrM8eYNu TsV4bvEMukjfUPUvw1JKpwMSAjD/Du7qaoDyRHms= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732504AbfEVTms (ORCPT ); Wed, 22 May 2019 15:42:48 -0400 Received: from mail.kernel.org ([198.145.29.99]:51314 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732254AbfEVT2g (ORCPT ); Wed, 22 May 2019 15:28:36 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 841DF204FD; Wed, 22 May 2019 19:28:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558553316; bh=9gu/ehZ6l8f0SZ+JITBMqr2JTBHP/QbQzVgj0ArK6VU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pf+9DVJRsDjODhezZpISX61jFRnKKF5RMYBs8Lu3dw40X8tkX6QW8Q3dIrYi28Ad9 i/3A4ZjLd8mXQbIiUJl0A1FGy1aiRRQkni7/Rx8Qd0SnQ90+aheoDWSaONEPStUE8w IfPZR2j0U06IP/448QAKbVm73UAvIcykTN5yTRIA= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Balakrishna Godavarthi , Rocky Liao , Claire Chang , Marcel Holtmann , Sasha Levin , linux-bluetooth@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 079/244] Bluetooth: hci_qca: Give enough time to ROME controller to bootup. Date: Wed, 22 May 2019 15:23:45 -0400 Message-Id: <20190522192630.24917-79-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190522192630.24917-1-sashal@kernel.org> References: <20190522192630.24917-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Balakrishna Godavarthi [ 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