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=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 283C4C43603 for ; Tue, 10 Dec 2019 22:36:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E43772053B for ; Tue, 10 Dec 2019 22:36:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576017403; bh=MfkPB+3mgjzOlIIfBKi6A47gBvuFAvcm/AU/f2h8Kzc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=okiHijVLlgTVLz5ihmcMq62EeMPm8ydx5QrDUyd7sD59JxYuItTN2JLaN78irpmQ0 QILgddSv5C6XmcUhDiTgYhD+guhyDMqiFNOJ3+sKN3kBjgJ7p0x4+LmtvJiBbkhiUs rJmRDAyVdzBkIoCjaGSltk+gLqkkEOIBMK4ll8hY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730197AbfLJWeP (ORCPT ); Tue, 10 Dec 2019 17:34:15 -0500 Received: from mail.kernel.org ([198.145.29.99]:55090 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729445AbfLJWd4 (ORCPT ); Tue, 10 Dec 2019 17:33:56 -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 5DA682073D; Tue, 10 Dec 2019 22:33:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576017236; bh=MfkPB+3mgjzOlIIfBKi6A47gBvuFAvcm/AU/f2h8Kzc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=n+NvDoksCZttz1LjPGXoUkKkDtMpF4Q1zTamhLCanVkFJH7f6rAg4zySa+u6H9Mgk 1Jow17LEeLSzWxyevGtwDQ0+QuGUhmorPAH6nHsWyRAML5ujpVKY/85FlHwBSGZD7Z m13Ktq4eSoW1iIuuBUeJ7TVzuA8ntNLwgBqbBQZw= 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 4.4 33/71] ALSA: hda - Fix pending unsol events at shutdown Date: Tue, 10 Dec 2019 17:32:38 -0500 Message-Id: <20191210223316.14988-33-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191210223316.14988-1-sashal@kernel.org> References: <20191210223316.14988-1-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 ef8955abd9186..3e3277100f08a 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1310,8 +1310,11 @@ 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