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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 7DA03C07E99 for ; Mon, 12 Jul 2021 09:01:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5843260FF0 for ; Mon, 12 Jul 2021 09:01:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357501AbhGLI7C (ORCPT ); Mon, 12 Jul 2021 04:59:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:55048 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353845AbhGLIDC (ORCPT ); Mon, 12 Jul 2021 04:03:02 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 845D96197B; Mon, 12 Jul 2021 07:57:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626076680; bh=9HLm1UMd4ET5mv916NAy10z2QUCLqQIwFit+BsH9Jyg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Th31q7oX+jpL4Z/RIKf5CcelKv2v/P0GPjbXCVdeTRSRJ9OdHRE0GSKZ6NCNtOlV9 TYjKtgs/Np+Y2/Usgld45g51Rdbl4VS/UzsqY30yFY1F46jqFyhfxNWrr935GHovBq oZlERRrtJpD0hLaINPZaus7bnYUL/uPplvOJOavQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Shengjiu Wang , Fabio Estevam , Mark Brown , Sasha Levin Subject: [PATCH 5.13 745/800] ASoC: fsl_spdif: Fix unexpected interrupt after suspend Date: Mon, 12 Jul 2021 08:12:48 +0200 Message-Id: <20210712061046.052141841@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060912.995381202@linuxfoundation.org> References: <20210712060912.995381202@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Shengjiu Wang [ Upstream commit a7a0a2feb957e446b2bcf732f245ba04fc8b6314 ] When system enter suspend, the machine driver suspend callback function will be called, then the cpu driver trigger callback (SNDRV_PCM_TRIGGER_SUSPEND) be called, it would disable the interrupt. But the machine driver suspend and cpu dai driver suspend order maybe changed, the cpu dai driver's suspend callback is called before machine driver's suppend callback, then the interrupt is not cleared successfully in trigger callback. So need to clear interrupts in cpu dai driver's suspend callback to avoid such issue. Fixes: 9cb2b3796e08 ("ASoC: fsl_spdif: Add pm runtime function") Signed-off-by: Shengjiu Wang Reviewed-by: Fabio Estevam Link: https://lore.kernel.org/r/1624365084-7934-1-git-send-email-shengjiu.wang@nxp.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/fsl/fsl_spdif.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c index 5636837eb511..53499bc71fa9 100644 --- a/sound/soc/fsl/fsl_spdif.c +++ b/sound/soc/fsl/fsl_spdif.c @@ -1404,6 +1404,9 @@ static int fsl_spdif_runtime_suspend(struct device *dev) struct fsl_spdif_priv *spdif_priv = dev_get_drvdata(dev); int i; + /* Disable all the interrupts */ + regmap_update_bits(spdif_priv->regmap, REG_SPDIF_SIE, 0xffffff, 0); + regmap_read(spdif_priv->regmap, REG_SPDIF_SRPC, &spdif_priv->regcache_srpc); regcache_cache_only(spdif_priv->regmap, true); -- 2.30.2