From patchwork Tue Sep 1 15:05:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bard Liao X-Patchwork-Id: 11749757 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 045AE722 for ; Wed, 2 Sep 2020 03:03:21 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 86C032068F for ; Wed, 2 Sep 2020 03:03:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="WHByAV3z" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 86C032068F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 157151804; Wed, 2 Sep 2020 05:02:35 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 157151804 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1599015799; bh=Kr1EqmC85REUP8dvbiw7/Pb6aA9VoEE7OgAiQLEzBlU=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=WHByAV3zqH2HUBr3RWN8pbrTT4xwEMHS5vpEOprgfbjItCIcBbwU7vL2CCLAhFK/S fzPQ9rQuRLKiQ8C/+KnbqL8LZwCVSkZlAFp4QYNb/408nouHCLiv5evzWtRVqMylRj 5VfrtX+dUPm0cmcYPIPIaS33vjlhAxCUjZamto/A= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 127D1F802D2; Wed, 2 Sep 2020 05:00:31 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id C842CF802C4; Wed, 2 Sep 2020 04:59:56 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: * X-Spam-Status: No, score=1.1 required=5.0 tests=DATE_IN_PAST_06_12, SPF_HELO_NONE,SPF_NONE,URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 2928EF8024A for ; Wed, 2 Sep 2020 04:59:49 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 2928EF8024A IronPort-SDR: fVMtZbLFG6U+thwGnhw6HgMTcFL/6FgBirBsFBbF65DNlWSk5uf/wJFwJNjg1egwJsGyTjgQ0F 4jP7l1/2t5Eg== X-IronPort-AV: E=McAfee;i="6000,8403,9731"; a="156570745" X-IronPort-AV: E=Sophos;i="5.76,381,1592895600"; d="scan'208";a="156570745" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2020 19:59:48 -0700 IronPort-SDR: t/4o2WIi7zbA9Ewe+xfjwMTGNw9BQoqjh1zWryWFpOJ6DnzO2qQHZKuDSHS8p2a7UISIoEljtf FIHIeVO/9XzA== X-IronPort-AV: E=Sophos;i="5.76,381,1592895600"; d="scan'208";a="283588068" Received: from bard-ubuntu.sh.intel.com ([10.239.13.33]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2020 19:59:45 -0700 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Subject: [PATCH v2 02/10] soundwire: intel: ignore software command retries Date: Tue, 1 Sep 2020 23:05:48 +0800 Message-Id: <20200901150556.19432-3-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200901150556.19432-1-yung-chuan.liao@linux.intel.com> References: <20200901150556.19432-1-yung-chuan.liao@linux.intel.com> Cc: pierre-louis.bossart@linux.intel.com, vinod.koul@linaro.org, tiwai@suse.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, ranjani.sridharan@linux.intel.com, hui.wang@canonical.com, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, mengdong.lin@intel.com, sanyog.r.kale@intel.com, rander.wang@linux.intel.com, bard.liao@intel.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Pierre-Louis Bossart with multiple links synchronized in hardware, retrying commands in software is not recommended. Signed-off-by: Pierre-Louis Bossart Signed-off-by: Bard Liao --- drivers/soundwire/intel.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index aa8484366c95..94a659e65f86 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -1355,6 +1355,11 @@ static int intel_master_probe(struct platform_device *pdev) dev_info(dev, "SoundWire master %d is disabled, will be ignored\n", bus->link_id); + /* + * Ignore BIOS err_threshold, it's a really bad idea when dealing + * with multiple hardware synchronized links + */ + bus->prop.err_threshold = 0; return 0; }