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 3792BC433F5 for ; Mon, 15 Nov 2021 23:56:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 153F661BF8 for ; Mon, 15 Nov 2021 23:56:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242366AbhKOX6J (ORCPT ); Mon, 15 Nov 2021 18:58:09 -0500 Received: from mail.kernel.org ([198.145.29.99]:45400 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344338AbhKOTYc (ORCPT ); Mon, 15 Nov 2021 14:24:32 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7021A63661; Mon, 15 Nov 2021 18:56:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1637002561; bh=Zw90p/ZsdLRxko2E62WUIDtJM/Fhg1ws1f5Ep9Yi2X4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=K16UGhuFci4/Y05qqTuLoWgRZKbPyFMp6+IVedGdy8hLMhxKaWoyR+7/LUkUaIvRI izFXKdUbOpbzwSubDMOPa9eAZJngCkJ1uqZHM/6HynIieER50+VC90a1QOB8NnMHo4 433+s7ZYgI9YrQD+5aM/iGUjAV0T+3Des4fUsmZ4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ranjani Sridharan , Pierre-Louis Bossart , Kai Vehmanen , Peter Ujfalusi , Mark Brown , Sasha Levin Subject: [PATCH 5.15 614/917] ASoC: SOF: topology: do not power down primary core during topology removal Date: Mon, 15 Nov 2021 18:01:49 +0100 Message-Id: <20211115165449.614889659@linuxfoundation.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211115165428.722074685@linuxfoundation.org> References: <20211115165428.722074685@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: Ranjani Sridharan [ Upstream commit ec626334eaffe101df9ed79e161eba95124e64ad ] When removing the topology components, do not power down the primary core. Doing so will result in an IPC timeout when the SOF PCI device runtime suspends. Fixes: 0dcdf84289fb ("ASoC: SOF: add a "core" parameter to widget loading functions") Signed-off-by: Ranjani Sridharan Reviewed-by: Pierre-Louis Bossart Reviewed-by: Kai Vehmanen Signed-off-by: Peter Ujfalusi Link: https://lore.kernel.org/r/20211006104041.27183-1-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/sof/topology.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c index cc9585bfa4e9f..1bb2dcf37ffe9 100644 --- a/sound/soc/sof/topology.c +++ b/sound/soc/sof/topology.c @@ -2598,6 +2598,15 @@ static int sof_widget_unload(struct snd_soc_component *scomp, /* power down the pipeline schedule core */ pipeline = swidget->private; + + /* + * Runtime PM should still function normally if topology loading fails and + * it's components are unloaded. Do not power down the primary core so that the + * CTX_SAVE IPC can succeed during runtime suspend. + */ + if (pipeline->core == SOF_DSP_PRIMARY_CORE) + break; + ret = snd_sof_dsp_core_power_down(sdev, 1 << pipeline->core); if (ret < 0) dev_err(scomp->dev, "error: powering down pipeline schedule core %d\n", -- 2.33.0