From patchwork Wed Feb 5 10:51:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Venkata Lakshmi Narayana Gubba X-Patchwork-Id: 11366081 X-Patchwork-Delegate: marcel@holtmann.org Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6CAFC92A for ; Wed, 5 Feb 2020 10:52:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 561D62085B for ; Wed, 5 Feb 2020 10:52:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728258AbgBEKwp (ORCPT ); Wed, 5 Feb 2020 05:52:45 -0500 Received: from alexa-out-blr-01.qualcomm.com ([103.229.18.197]:63844 "EHLO alexa-out-blr-01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727170AbgBEKwp (ORCPT ); Wed, 5 Feb 2020 05:52:45 -0500 Received: from ironmsg02-blr.qualcomm.com ([10.86.208.131]) by alexa-out-blr-01.qualcomm.com with ESMTP/TLS/AES256-SHA; 05 Feb 2020 16:22:42 +0530 Received: from gubbaven-linux.qualcomm.com ([10.206.64.32]) by ironmsg02-blr.qualcomm.com with ESMTP; 05 Feb 2020 16:22:14 +0530 Received: by gubbaven-linux.qualcomm.com (Postfix, from userid 2365015) id 7D108213F5; Wed, 5 Feb 2020 16:22:13 +0530 (IST) From: Venkata Lakshmi Narayana Gubba To: marcel@holtmann.org, johan.hedberg@gmail.com Cc: mka@chromium.org, linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org, robh@kernel.org, hemantg@codeaurora.org, linux-arm-msm@vger.kernel.org, bgodavar@codeaurora.org, tientzu@chromium.org, seanpaul@chromium.org, rjliao@codeaurora.org, yshavit@google.com, devicetree@vger.kernel.org, Venkata Lakshmi Narayana Gubba Subject: [PATCH v1] Bluetooth: hci_qca: Optimized code while enabling clocks for BT SOC Date: Wed, 5 Feb 2020 16:21:43 +0530 Message-Id: <1580899903-19032-1-git-send-email-gubbaven@codeaurora.org> X-Mailer: git-send-email 2.7.4 Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org * Directly passing clock pointer to clock code without checking for NULL as clock code takes care of it * Removed the comment which was not necessary * Updated code for return in qca_regulator_enable() Signed-off-by: Venkata Lakshmi Narayana Gubba --- drivers/bluetooth/hci_qca.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index eacc65b..8e95bfe 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -1756,13 +1756,10 @@ static int qca_regulator_enable(struct qca_serdev *qcadev) power->vregs_on = true; ret = clk_prepare_enable(qcadev->susclk); - if (ret) { - /* Turn off regulators to overcome power leakage */ + if (ret) qca_regulator_disable(qcadev); - return ret; - } - return 0; + return ret; } static void qca_regulator_disable(struct qca_serdev *qcadev) @@ -1781,8 +1778,7 @@ static void qca_regulator_disable(struct qca_serdev *qcadev) regulator_bulk_disable(power->num_vregs, power->vreg_bulk); power->vregs_on = false; - if (qcadev->susclk) - clk_disable_unprepare(qcadev->susclk); + clk_disable_unprepare(qcadev->susclk); } static int qca_init_regulators(struct qca_power *qca,