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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 1E721C433E0 for ; Thu, 18 Jun 2020 02:43:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EA37B21534 for ; Thu, 18 Jun 2020 02:43:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592448208; bh=lffGI+usafluNIt52bJY49hTytGuNJw+IaRZwkMO2Rs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=CFBkhafpHgEEFykyRTctEXKwwdaMMYfvQr2JEpJoFcCmboM6C29CPpbyTgxAuatxE /CQ9CMPA9X470tSqRQ/tldc6HV24if9R8qD/lknXCReJXv7CUHCHEKRFWyN+c2NyYq +KQGDlYFVPBhz8MUG5FIG2lcrtgwnPIZFu5wyDzE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387769AbgFRCnW (ORCPT ); Wed, 17 Jun 2020 22:43:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:39658 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728765AbgFRBLj (ORCPT ); Wed, 17 Jun 2020 21:11:39 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 83EB820CC7; Thu, 18 Jun 2020 01:11:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592442699; bh=lffGI+usafluNIt52bJY49hTytGuNJw+IaRZwkMO2Rs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mbDV9gjVCpCNQT6ZpeoEzqGzchqet5AiOmpDJRw0CatHmTnq9kPEJnTILr6jMJWTv Hky2d2KxN+dcOenYG9bIZWPdW5ifLfDJAluEHDahK9W/OJlrKgrWoZ3UuHo8z5CsVn qE7xZeu+h7EZEkNN4LrTXNPD53e6wO+ejgua5QVI= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Yong Zhi , Mark Brown , Sasha Levin , alsa-devel@alsa-project.org Subject: [PATCH AUTOSEL 5.7 162/388] ASoC: max98373: reorder max98373_reset() in resume Date: Wed, 17 Jun 2020 21:04:19 -0400 Message-Id: <20200618010805.600873-162-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200618010805.600873-1-sashal@kernel.org> References: <20200618010805.600873-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yong Zhi [ Upstream commit 1a446873d7dd3a450f685928ce7f1907bde4583d ] During S3 test, the following error was observed: [ 726.174237] i2c_designware i2c_designware.0: platform_pm_resume+0x0/0x3d returned 0 after 0 usecs [ 726.184187] max98373 i2c-MX98373:00: calling max98373_resume+0x0/0x30 [snd_soc_max98373] @ 12698, parent: i2c-11 [ 726.195589] max98373 i2c-MX98373:00: Reset command failed. (ret:-16) When calling regmap_update_bits(), since map->reg_update_bits is NULL, _regmap_read() is entered with the following logic: if (!map->cache_bypass) { ret = regcache_read(map, reg, val); if (ret == 0) return 0; } if (map->cache_only) return -EBUSY; regcache_read() hits -EINVAL because MAX98373_R2000_SW_RESET is volatile, as map->cache_only is set by codec suspend, thus -EBUSY is returned. Fix by moving max98373_reset() after cache_only set to false in max98373_resume(). Signed-off-by: Yong Zhi Link: https://lore.kernel.org/r/1588376661-29799-1-git-send-email-yong.zhi@intel.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/max98373.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/max98373.c b/sound/soc/codecs/max98373.c index cae1def8902d..96718e3a1ad0 100644 --- a/sound/soc/codecs/max98373.c +++ b/sound/soc/codecs/max98373.c @@ -850,8 +850,8 @@ static int max98373_resume(struct device *dev) { struct max98373_priv *max98373 = dev_get_drvdata(dev); - max98373_reset(max98373, dev); regcache_cache_only(max98373->regmap, false); + max98373_reset(max98373, dev); regcache_sync(max98373->regmap); return 0; } -- 2.25.1