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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 0B859C433ED for ; Tue, 4 May 2021 12:59:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D3260613C0 for ; Tue, 4 May 2021 12:59:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230444AbhEDNAT (ORCPT ); Tue, 4 May 2021 09:00:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37882 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230433AbhEDNAS (ORCPT ); Tue, 4 May 2021 09:00:18 -0400 Received: from mail-wm1-x32b.google.com (mail-wm1-x32b.google.com [IPv6:2a00:1450:4864:20::32b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 52171C061574 for ; Tue, 4 May 2021 05:59:22 -0700 (PDT) Received: by mail-wm1-x32b.google.com with SMTP id 82-20020a1c01550000b0290142562ff7c9so1277540wmb.3 for ; Tue, 04 May 2021 05:59:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=8wApOpJhCU9tfgd/Dj9rvLGUlH1ua1FJRVoJ9b+ybUY=; b=mSZKtm0qtHgXPjNZf3T0OZd79W0shIJ+8mLIAsRgiJy5fOBwwTgG+2TSjTTD8uC3pS /NpdjVstmh8JBPVlnHnyUMBWn+7rC2MibquiBJeYaP/tnSol66mn/xw5jTSs1rUwWLWq pKORykqgkqocPNnoZ/qcke2nsEo6rBzf4C6S8ETfAEVfN50eSuKQvM1yDHNYRWewbr8V 4sy4+qOVCs5qW3/c1Uw78dgzKdavwi3Vlzge+uRdfloyl7hdimORq7CNylSv4vXWpRTm H4IVPyu6cXgQINNdE2nEPLuSR4VzQJSdrygVJCfM2yLyvy09ImmU2Z5QV3Ch1JgSpiv3 MHOg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=8wApOpJhCU9tfgd/Dj9rvLGUlH1ua1FJRVoJ9b+ybUY=; b=U7El8d73Ve1NSTxrDNbp1CvMOj7f5SQC8PgwLBivyRRwVHJzu2/qf2vnoERPuYRMuu cGtL5U2MoiFBgHAiLZcxErqp94t+4iNVqBb+COVc5KmsynlK4VEgojOr+nsCF0t5BsB3 j8enYctjuJLLb4mUygTWj2deiekBfDQv9CX62faMR4i2PwcgzwIeoX5CO7J3WTPBCTnR mtuTvHrQ5laufL329g4wsHG5AakjcilxUtEz2SGF9gFOavCTnkPxsmdm2pHnaXp4WlaG 6ydBO8kzE92kRXOq+XiGze/VJ6iBUS+55l8ruueMQnl4p7ljZbmnt4rgwQfts+P3vrBA Awmw== X-Gm-Message-State: AOAM530YFcblcu7eKVUH7NTmREPm+9mMkGv7RSjAIz1y29gOKUH/+OR/ AKV2z3/mqVnSrp+rWEYcVx7qzw== X-Google-Smtp-Source: ABdhPJxYrJ5SvegT6/GQLBTJhJ+E6KkApAj5p70zLOSyZs9P4mRlQIFu8+K2HzTCbfng9oSHJJu4Qw== X-Received: by 2002:a1c:cc0e:: with SMTP id h14mr27637427wmb.4.1620133161053; Tue, 04 May 2021 05:59:21 -0700 (PDT) Received: from srini-hackbox.lan (cpc86377-aztw32-2-0-cust226.18-1.cable.virginm.net. [92.233.226.227]) by smtp.gmail.com with ESMTPSA id a21sm2483055wmj.34.2021.05.04.05.59.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 May 2021 05:59:20 -0700 (PDT) From: Srinivas Kandagatla To: vkoul@kernel.org Cc: yung-chuan.liao@linux.intel.com, pierre-louis.bossart@linux.intel.com, sanyog.r.kale@intel.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, bjorn.andersson@linaro.org, amit.pundir@linaro.org, Srinivas Kandagatla Subject: [PATCH] soundwire: qcom: fix handling of qcom,ports-block-pack-mode Date: Tue, 4 May 2021 13:59:09 +0100 Message-Id: <20210504125909.16108-1-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Support to "qcom,ports-block-pack-mode" was added at later stages to support a variant of Qualcomm SoundWire controllers available on Apps processor. However the older versions of the SoundWire controller which are embedded in WCD Codecs do not need this property. So returning on error for those cases will break boards like DragonBoard DB845c and Lenovo Yoga C630. This patch fixes error handling on this property considering older usecases. Fixes: 5943e4fb14e3 ("soundwire: qcom: check of_property_read status") Reported-by: Amit Pundir Signed-off-by: Srinivas Kandagatla --- drivers/soundwire/qcom.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c index 2827085a323b..0ef79d60e88e 100644 --- a/drivers/soundwire/qcom.c +++ b/drivers/soundwire/qcom.c @@ -1150,8 +1150,16 @@ static int qcom_swrm_get_port_config(struct qcom_swrm_ctrl *ctrl) ret = of_property_read_u8_array(np, "qcom,ports-block-pack-mode", bp_mode, nports); - if (ret) - return ret; + if (ret) { + u32 version; + + ctrl->reg_read(ctrl, SWRM_COMP_HW_VERSION, &version); + + if (version <= 0x01030000) + memset(bp_mode, SWR_INVALID_PARAM, QCOM_SDW_MAX_PORTS); + else + return ret; + } memset(hstart, SWR_INVALID_PARAM, QCOM_SDW_MAX_PORTS); of_property_read_u8_array(np, "qcom,ports-hstart", hstart, nports); -- 2.21.0