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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 A0FFEC10F14 for ; Thu, 3 Oct 2019 15:58:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6622420700 for ; Thu, 3 Oct 2019 15:58:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570118302; bh=+/ggtlj+xPS8v3mnbHptst9iFj5utmAfBdLGqH5i4lc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=nW/O7XX07NirT+xJ78CG5Lz6Gq50EP7tDq0HZtfeyYCQ9cHd0ElmuLcpIjBPlyyDI jLWjdnoCxksVThRM18j5830s/j4WEZY13bpqAqS14K8JkAzFYTfiArwm9F1+Ek7zxj piyJINtSo9JDXAZHpDiTPT1iCSoP6Cib27gcTgNk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731113AbfJCP6V (ORCPT ); Thu, 3 Oct 2019 11:58:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:40994 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726119AbfJCP6S (ORCPT ); Thu, 3 Oct 2019 11:58:18 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1E23820830; Thu, 3 Oct 2019 15:58:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570118297; bh=+/ggtlj+xPS8v3mnbHptst9iFj5utmAfBdLGqH5i4lc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VK9g2ZFsvCIdE6U8ce5pT0a2ZTYEwOBT19mYquoDgNGAuv8RS5BhKgH4b8Mje/6TC h0+qoTkvZtlDMPEnrTDrYcAjjoZdD6pxR7sOQSqRs9PUZnmwojzfuxCANVT39yTRxv nYIoBRB4mcXzLOg9GlPdiXAnBqqqYnazsTnrC4is= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Takashi Iwai , Sasha Levin Subject: [PATCH 4.4 43/99] ALSA: hda - Show the fatal CORB/RIRB error more clearly Date: Thu, 3 Oct 2019 17:53:06 +0200 Message-Id: <20191003154316.351539452@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191003154252.297991283@linuxfoundation.org> References: <20191003154252.297991283@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Takashi Iwai [ Upstream commit dd65f7e19c6961ba6a69f7c925021b7a270cb950 ] The last fallback of CORB/RIRB communication error recovery is to turn on the single command mode, and this last resort usually means that something is really screwed up. Instead of a normal dev_err(), show the error more clearly with dev_WARN() with the caller stack trace. Also, show the bus-reset fallback also as an error, too. Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/pci/hda/hda_controller.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c index 273364c39171c..9cdf86f04e037 100644 --- a/sound/pci/hda/hda_controller.c +++ b/sound/pci/hda/hda_controller.c @@ -667,10 +667,13 @@ static int azx_rirb_get_response(struct hdac_bus *bus, unsigned int addr, */ if (hbus->allow_bus_reset && !hbus->response_reset && !hbus->in_reset) { hbus->response_reset = 1; + dev_err(chip->card->dev, + "No response from codec, resetting bus: last cmd=0x%08x\n", + bus->last_cmd[addr]); return -EAGAIN; /* give a chance to retry */ } - dev_err(chip->card->dev, + dev_WARN(chip->card->dev, "azx_get_response timeout, switching to single_cmd mode: last cmd=0x%08x\n", bus->last_cmd[addr]); chip->single_cmd = 1; -- 2.20.1