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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 0E436C10F29 for ; Tue, 17 Mar 2020 16:34:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E02ED20663 for ; Tue, 17 Mar 2020 16:34:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726879AbgCQQek (ORCPT ); Tue, 17 Mar 2020 12:34:40 -0400 Received: from mga06.intel.com ([134.134.136.31]:47605 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726851AbgCQQeh (ORCPT ); Tue, 17 Mar 2020 12:34:37 -0400 IronPort-SDR: hPrKUynSiH7LnzV3OMA/RVEEDRTSQDJCW7TEIUytot311wMEx5LB5epO5Xx+GsvMdpOWIo3Kou gXxqxxPV4Mhw== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Mar 2020 09:34:37 -0700 IronPort-SDR: HMVawEQNbBT8kacidLvo6qJzq9uhT5CITFLmPpD471IAH6Mfy74IQMhHTsZ3yTO0HxX8W0/iQV wfP2Xj7qSMew== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,565,1574150400"; d="scan'208";a="244533251" Received: from aavila-mobl1.amr.corp.intel.com (HELO pbossart-mobl3.amr.corp.intel.com) ([10.255.36.39]) by orsmga003.jf.intel.com with ESMTP; 17 Mar 2020 09:34:34 -0700 From: Pierre-Louis Bossart To: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org, tiwai@suse.de, broonie@kernel.org, vkoul@kernel.org, gregkh@linuxfoundation.org, jank@cadence.com, srinivas.kandagatla@linaro.org, slawomir.blauciak@intel.com, Bard liao , Rander Wang , Ranjani Sridharan , Hui Wang , Pierre-Louis Bossart , Sanyog Kale Subject: [PATCH v2 12/17] soundwire: cadence: enable NORMAL operation in cdns_init() Date: Tue, 17 Mar 2020 11:33:24 -0500 Message-Id: <20200317163329.25501-13-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200317163329.25501-1-pierre-louis.bossart@linux.intel.com> References: <20200317163329.25501-1-pierre-louis.bossart@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Follow recommended programming sequences, this needs to be enabled before the reset sequence. Signed-off-by: Pierre-Louis Bossart --- drivers/soundwire/cadence_master.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c index 9afce1f32076..6adf41e3fdcf 100644 --- a/drivers/soundwire/cadence_master.c +++ b/drivers/soundwire/cadence_master.c @@ -842,11 +842,6 @@ int sdw_cdns_exit_reset(struct sdw_cdns *cdns) CDNS_MCP_CONTROL_HW_RST, CDNS_MCP_CONTROL_HW_RST); - /* enable bus operations with clock and data */ - cdns_updatel(cdns, CDNS_MCP_CONFIG, - CDNS_MCP_CONFIG_OP, - CDNS_MCP_CONFIG_OP_NORMAL); - /* commit changes */ return cdns_config_update(cdns); } @@ -1097,6 +1092,10 @@ int sdw_cdns_init(struct sdw_cdns *cdns) /* Configure mcp config */ val = cdns_readl(cdns, CDNS_MCP_CONFIG); + /* enable bus operations with clock and data */ + val &= ~CDNS_MCP_CONFIG_OP; + val |= CDNS_MCP_CONFIG_OP_NORMAL; + /* Set cmd mode for Tx and Rx cmds */ val &= ~CDNS_MCP_CONFIG_CMD; -- 2.20.1