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,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 C474FC43603 for ; Tue, 10 Dec 2019 22:41:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9011520828 for ; Tue, 10 Dec 2019 22:41:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576017712; bh=9JZTUZ8XZbtS5hmjle0IXCzfwZyXHuzrQkrAN6BuoOw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=HmDDMxrkBj6oyLRblaC319a7lYSKkVLfJFF7AtW1xCHXc9HHUsrxRA+6Is5P4Jqrq 8NsoWIjjtKEBj3unuDAtw1VudmLBQDxNvcbd+oqdWpQWY8k4ltLzo2nJQbIc6tgNZb PJg/B9T/0uUvoNzVBlyPrn1iB+5T80zEsiBZD8Ko= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728721AbfLJWbh (ORCPT ); Tue, 10 Dec 2019 17:31:37 -0500 Received: from mail.kernel.org ([198.145.29.99]:51526 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728496AbfLJWb2 (ORCPT ); Tue, 10 Dec 2019 17:31:28 -0500 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 EE72F20836; Tue, 10 Dec 2019 22:31:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576017087; bh=9JZTUZ8XZbtS5hmjle0IXCzfwZyXHuzrQkrAN6BuoOw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=I7FFyzuAZd5+f7Cu6dT8VinVBzV32tqHoPl+bQphLQ6c/FQPUYrQIomcDaMxxJNrG 2XVoR7waO+P1vqRKMyO7vgR1TiUGRIKeuR4vAFLDe6vAXuzq+YYMYsJ7T9S0B9cxpU n9+l4Kk792sduLDOCS7eTHCEz8G8Q7zOHaERfbbs= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Takashi Iwai , Chris Wilson , Sasha Levin , alsa-devel@alsa-project.org Subject: [PATCH AUTOSEL 4.9 43/91] ALSA: hda - Fix pending unsol events at shutdown Date: Tue, 10 Dec 2019 17:29:47 -0500 Message-Id: <20191210223035.14270-43-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191210223035.14270-1-sashal@kernel.org> References: <20191210223035.14270-1-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: Takashi Iwai [ Upstream commit ca58f55108fee41d87c9123f85ad4863e5de7f45 ] This is an alternative fix attemp for the issue reported in the commit caa8422d01e9 ("ALSA: hda: Flush interrupts on disabling") that was reverted later due to regressions. Instead of tweaking the hardware disablement order and the enforced irq flushing, do calling cancel_work_sync() of the unsol work early enough, and explicitly ignore the unsol events during the shutdown by checking the bus->shutdown flag. Fixes: caa8422d01e9 ("ALSA: hda: Flush interrupts on disabling") Cc: Chris Wilson Link: https://lore.kernel.org/r/s5h1ruxt9cz.wl-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/pci/hda/hda_bind.c | 4 ++++ sound/pci/hda/hda_intel.c | 3 +++ 2 files changed, 7 insertions(+) diff --git a/sound/pci/hda/hda_bind.c b/sound/pci/hda/hda_bind.c index 7ea201c05e5da..d0d6dfbfcfdf8 100644 --- a/sound/pci/hda/hda_bind.c +++ b/sound/pci/hda/hda_bind.c @@ -42,6 +42,10 @@ static void hda_codec_unsol_event(struct hdac_device *dev, unsigned int ev) { struct hda_codec *codec = container_of(dev, struct hda_codec, core); + /* ignore unsol events during shutdown */ + if (codec->bus->shutdown) + return; + if (codec->patch_ops.unsol_event) codec->patch_ops.unsol_event(codec, ev); } diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index f2f1d9fd848c8..3234e9ca02cec 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1275,8 +1275,11 @@ static int azx_free(struct azx *chip) static int azx_dev_disconnect(struct snd_device *device) { struct azx *chip = device->device_data; + struct hdac_bus *bus = azx_bus(chip); chip->bus.shutdown = 1; + cancel_work_sync(&bus->unsol_work); + return 0; } -- 2.20.1