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=-9.7 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,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 19908C5DF65 for ; Wed, 6 Nov 2019 20:30:16 +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 8C4E72187F for ; Wed, 6 Nov 2019 20:30:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="pNViy146" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8C4E72187F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=tempfail 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 25E131677; Wed, 6 Nov 2019 20:34:50 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 25E131677 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1573068940; bh=wFEuZwi8Mi8hPsxVAyBaB/Od84yi8pX5d1mYNYalCWc=; h=From:To:Date:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=pNViy146XR5cEzOFZ05i49T8QDnu0lo98y+hgcAiQbs7TR0UWiAaLGjv1lTPPahsN o6uoau6CUtfarQBx2jAZNrSYTQ9SLM73Nd/dEp3ekkI1nb7Jwd6h8Ql4NAs74ytreg 19pZ5DV6dLNT4hjtfoh8+G9w/5BZORKBTvVA9fV8= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 941AEF8076D; Wed, 6 Nov 2019 20:23:06 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 35DADF806E8; Wed, 6 Nov 2019 20:22:54 +0100 (CET) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) (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 5908AF80611 for ; Wed, 6 Nov 2019 20:22:50 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 5908AF80611 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Nov 2019 11:22:50 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,275,1569308400"; d="scan'208";a="403835162" Received: from vidhipat-mobl1.amr.corp.intel.com (HELO pbossart-mobl3.amr.corp.intel.com) ([10.254.33.70]) by fmsmga006.fm.intel.com with ESMTP; 06 Nov 2019 11:22:48 -0800 From: Pierre-Louis Bossart To: alsa-devel@alsa-project.org Date: Wed, 6 Nov 2019 13:22:18 -0600 Message-Id: <20191106192223.6003-15-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191106192223.6003-1-pierre-louis.bossart@linux.intel.com> References: <20191106192223.6003-1-pierre-louis.bossart@linux.intel.com> MIME-Version: 1.0 Cc: Pierre-Louis Bossart , tiwai@suse.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, Ranjani Sridharan , vkoul@kernel.org, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, slawomir.blauciak@intel.com, Sanyog Kale , Bard liao , Rander Wang Subject: [alsa-devel] [PATCH v2 14/19] soundwire: intel: disable pm_runtime when removing a master 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Prevent race conditions between remove and resume by disabling pm_runtime. Note that this only takes care of pm_runtime at the Master level, the same precautions are needed when removing a Slave device. Signed-off-by: Pierre-Louis Bossart --- drivers/soundwire/intel.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 36e09e273eda..f0f9a6252522 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -1275,6 +1275,8 @@ static int intel_master_remove(struct sdw_master_device *md) { struct sdw_intel *sdw; + pm_runtime_disable(&md->dev); + sdw = md->pdata; if (!sdw->cdns.bus.prop.hw_disabled) { -- 2.20.1 _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel