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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C469C433FE for ; Wed, 13 Oct 2021 14:33:13 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 6AA6F610FB for ; Wed, 13 Oct 2021 14:33:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 6AA6F610FB 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=lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4HTw4Q5YKjz3bg4 for ; Thu, 14 Oct 2021 01:33:10 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=linux.intel.com (client-ip=134.134.136.24; helo=mga09.intel.com; envelope-from=pierre-louis.bossart@linux.intel.com; receiver=) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4HTw3y6371z2y0B for ; Thu, 14 Oct 2021 01:32:45 +1100 (AEDT) X-IronPort-AV: E=McAfee;i="6200,9189,10135"; a="227336349" X-IronPort-AV: E=Sophos;i="5.85,371,1624345200"; d="scan'208";a="227336349" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Oct 2021 07:31:25 -0700 X-IronPort-AV: E=Sophos;i="5.85,371,1624345200"; d="scan'208";a="524649589" Received: from ssafavib-mobl.amr.corp.intel.com (HELO pbossart-mobl3.intel.com) ([10.209.164.198]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Oct 2021 07:31:23 -0700 From: Pierre-Louis Bossart To: alsa-devel@alsa-project.org Subject: [RFC PATCH v3 10/13] ASoC: fsl: asrc_dma: protect for_each_dpcm_be() loops Date: Wed, 13 Oct 2021 09:30:47 -0500 Message-Id: <20211013143050.244444-11-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211013143050.244444-1-pierre-louis.bossart@linux.intel.com> References: <20211013143050.244444-1-pierre-louis.bossart@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Shengjiu Wang , "open list:FREESCALE SOC SOUND DRIVERS" , Kuninori Morimoto , Xiubo Li , tiwai@suse.de, Fabio Estevam , Sameer Pujar , Takashi Iwai , Pierre-Louis Bossart , Liam Girdwood , Nicolin Chen , vkoul@kernel.org, broonie@kernel.org, Gyeongtaek Lee , Jaroslav Kysela , Peter Ujfalusi , open list Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Follow the locking model used within soc-pcm.c Signed-off-by: Pierre-Louis Bossart --- sound/soc/fsl/fsl_asrc_dma.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c index cd9b36ec0ecb..b67097503836 100644 --- a/sound/soc/fsl/fsl_asrc_dma.c +++ b/sound/soc/fsl/fsl_asrc_dma.c @@ -151,6 +151,7 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, int ret, width; /* Fetch the Back-End dma_data from DPCM */ + snd_soc_dpcm_fe_lock_irq(rtd, stream); for_each_dpcm_be(rtd, stream, dpcm) { struct snd_soc_pcm_runtime *be = dpcm->be; struct snd_pcm_substream *substream_be; @@ -164,6 +165,7 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, dev_be = dai->dev; break; } + snd_soc_dpcm_fe_unlock_irq(rtd, stream); if (!dma_params_be) { dev_err(dev, "failed to get the substream of Back-End\n"); -- 2.25.1