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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 02F66C35242 for ; Wed, 12 Feb 2020 01:17:20 +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 E082020848 for ; Wed, 12 Feb 2020 01:17:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="gMvB7zEP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E082020848 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=renesas.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 CCF49847; Wed, 12 Feb 2020 02:16:26 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz CCF49847 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1581470236; bh=nCa56w3D34vcquUffRnFuFL0Nymian85qy8BuPgxwVI=; h=Date:From:To:In-Reply-To:References:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=gMvB7zEPsmc+CdEdcamMHWKJdrV7QcTNz2f/MZepkkttIk509UerjXrdliZgC0uTp BvdcaDSrENPlBonf5bYcPa/Ex9RfJQczrisZimYuFA1lFk2WoEvlifpzsTUs9RZrE2 tBiEBkZU6bCVoqIACnZ5GBTwuvSWJCq7SlsF/QQ8= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 4E5B9F8013E; Wed, 12 Feb 2020 02:16:26 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id CF31CF80145; Wed, 12 Feb 2020 02:16:24 +0100 (CET) Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by alsa1.perex.cz (Postfix) with ESMTP id 4F402F800F0 for ; Wed, 12 Feb 2020 02:16:19 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 4F402F800F0 Date: 12 Feb 2020 10:16:15 +0900 X-IronPort-AV: E=Sophos;i="5.70,428,1574089200"; d="scan'208";a="39025434" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 12 Feb 2020 10:16:15 +0900 Received: from mercury.renesas.com (unknown [10.166.252.133]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id A02414121513; Wed, 12 Feb 2020 10:16:15 +0900 (JST) Message-ID: <87d0akmwq1.wl-kuninori.morimoto.gx@renesas.com> From: Kuninori Morimoto To: Mark Brown , Pierre-Louis Bossart , Linux-ALSA In-Reply-To: <87ftfgmyro.wl-kuninori.morimoto.gx@renesas.com> References: <87d0anceze.wl-kuninori.morimoto.gx@renesas.com> <874kvzcey1.wl-kuninori.morimoto.gx@renesas.com> <095fdf34-5736-b79a-7bad-56f5a478e939@linux.intel.com> <20200211121616.GI4543@sirena.org.uk> <87ftfgmyro.wl-kuninori.morimoto.gx@renesas.com> User-Agent: Wanderlust/2.15.9 Emacs/25.2 Mule/6.0 MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Subject: Re: [alsa-devel] [PATCH v3 6/8] ASoC: soc-pcm: call snd_soc_component_open/close() once 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" Hi Pierre-Louis, Mark > > > Maybe a red-herring but is there a potential for race conditions here if > > > that function is called twice from different places? Don't we need some sort > > > of lock for all the new flags introduced here? > > > > The probe stuff is all going to get pretty upset if it's called from > > multiple paths already. > > Hmm.. indeed we need to consider about it. > But I think it can/should/will be incremental patch. > Thank you for pointing it. Is it OK for you ? Or, do we need v4 patch ? Thank you for your help !! Best regards --- Kuninori Morimoto _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel