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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 AE497C07E95 for ; Wed, 14 Jul 2021 01:42:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8356B61360 for ; Wed, 14 Jul 2021 01:42:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237349AbhGNBpX (ORCPT ); Tue, 13 Jul 2021 21:45:23 -0400 Received: from mga07.intel.com ([134.134.136.100]:50663 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229843AbhGNBpW (ORCPT ); Tue, 13 Jul 2021 21:45:22 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10044"; a="274100597" X-IronPort-AV: E=Sophos;i="5.84,237,1620716400"; d="scan'208";a="274100597" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jul 2021 18:42:20 -0700 X-IronPort-AV: E=Sophos;i="5.84,237,1620716400"; d="scan'208";a="459796564" Received: from bard-ubuntu.sh.intel.com ([10.239.185.57]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jul 2021 18:42:17 -0700 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Cc: vinod.koul@linaro.org, linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org, srinivas.kandagatla@linaro.org, rander.wang@linux.intel.com, pierre-louis.bossart@linux.intel.com, sanyog.r.kale@intel.com, bard.liao@intel.com Subject: [PATCH] soundwire: bus: filter out more -EDATA errors on clock stop Date: Wed, 14 Jul 2021 09:42:09 +0800 Message-Id: <20210714014209.17357-1-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Pierre-Louis Bossart We've added quite a few filters to avoid throwing errors if a Device does not respond to commands during the clock stop sequences, but we missed one. This will lead to an isolated message [ 6115.294412] soundwire sdw-master-1: SDW_SCP_STAT bread failed:-61 The callers already filter this error code, so there's no point in keeping it at the lower level. Since this is a recoverable error, make this dev_err() conditional and only log cases with Command Failed. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Guennadi Liakhovetski Signed-off-by: Bard Liao --- drivers/soundwire/bus.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index 3e6d4addac2f..278a4fbdb88d 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -896,7 +896,8 @@ static int sdw_bus_wait_for_clk_prep_deprep(struct sdw_bus *bus, u16 dev_num) do { val = sdw_bread_no_pm(bus, dev_num, SDW_SCP_STAT); if (val < 0) { - dev_err(bus->dev, "SDW_SCP_STAT bread failed:%d\n", val); + if (val != -ENODATA) + dev_err(bus->dev, "SDW_SCP_STAT bread failed:%d\n", val); return val; } val &= SDW_SCP_STAT_CLK_STP_NF; -- 2.17.1