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=ham 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 86B0DC28CC2 for ; Thu, 30 May 2019 03:10:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 56E54244D5 for ; Thu, 30 May 2019 03:10:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559185855; bh=bh69YsHtzTJbjKtJ69s0EM3tDRjqnXOmqDjMzuLdUnc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=jTmr7OQNCSoXpHGvG8cnPwmDcHMJTSMAC3QDbQxmgMwR5YeSZS/gi+y5kwzWLIttA Vv5tjskdJdaIhsE4ogmJxAElbguBV22ToVM3iTOs27FPIpRJfyFJ/Vc4x/Zx9VviWI Mz4Qpf6rg8rgSYNSLaqJGNxvu0Tqz6DcVEl/nM4U= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728280AbfE3DKy (ORCPT ); Wed, 29 May 2019 23:10:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:49172 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728269AbfE3DKy (ORCPT ); Wed, 29 May 2019 23:10:54 -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 14DD4244BB; Thu, 30 May 2019 03:10:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559185853; bh=bh69YsHtzTJbjKtJ69s0EM3tDRjqnXOmqDjMzuLdUnc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZgGMGK0BXYB+6g4KoRWGemCOQhQCAief+lJZglUJURJeF3vvG5HTZ/1XXwtlbE072 Fd7Qo4KqDwF5Arzf9TcCUScWVgNzPsjCW7KtHSUCN2tTo47OFMhKiJ/BAakWOGSByL ZsUGH4fVNvu0uQ+WhcvE+5Q6ZtQXqi1N7QeXpKws= 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 5.1 143/405] Bluetooth: hci_qca: Give enough time to ROME controller to bootup. Date: Wed, 29 May 2019 20:02:21 -0700 Message-Id: <20190530030548.365186139@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030540.291644921@linuxfoundation.org> References: <20190530030540.291644921@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 340c3c750b180..d3b467792eb3d 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