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 2AD0CC433EF for ; Wed, 13 Oct 2021 14:33:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 10277610CB for ; Wed, 13 Oct 2021 14:33:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237349AbhJMOfB (ORCPT ); Wed, 13 Oct 2021 10:35:01 -0400 Received: from mga12.intel.com ([192.55.52.136]:5095 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237030AbhJMOdo (ORCPT ); Wed, 13 Oct 2021 10:33:44 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10135"; a="207554882" X-IronPort-AV: E=Sophos;i="5.85,371,1624345200"; d="scan'208";a="207554882" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga106.fm.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 Cc: tiwai@suse.de, broonie@kernel.org, vkoul@kernel.org, Sameer Pujar , Gyeongtaek Lee , Peter Ujfalusi , Kuninori Morimoto , Pierre-Louis Bossart , Nicolin Chen , Xiubo Li , Fabio Estevam , Shengjiu Wang , Liam Girdwood , Jaroslav Kysela , Takashi Iwai , linuxppc-dev@lists.ozlabs.org (open list:FREESCALE SOC SOUND DRIVERS), linux-kernel@vger.kernel.org (open list) 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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