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=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 31A96C433E2 for ; Tue, 8 Sep 2020 19:51:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F40AF20658 for ; Tue, 8 Sep 2020 19:51:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599594692; bh=A9XxeSx4gLbQ57W6xTa9i3Eig3LYh+sF9DfLdrC6e/w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=fx8HrtVYkIBMRpXTv5rMbUxDCoTD8WIvRhmLvDHUjr7B/zeUjhoAZdzvlBHiHXyOF Q/Ov3UiCOX6Gi0BH4u0MZPYZgpZCvaeQe24XsCLsknpxbx7uM1228mdJnhOSs3vvGA PyO+xIlKTg2cBkacCKb5/7SImGVi3oP6e5+ZzHV0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732355AbgIHTvZ (ORCPT ); Tue, 8 Sep 2020 15:51:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:39004 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730522AbgIHPt5 (ORCPT ); Tue, 8 Sep 2020 11:49:57 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (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 24D902485A; Tue, 8 Sep 2020 15:45:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599579924; bh=A9XxeSx4gLbQ57W6xTa9i3Eig3LYh+sF9DfLdrC6e/w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CJJWa0YKcbtCqLN3QbEpKVphyV4xiTtAzrjmb9alxaE7XBbIQcF0kye4Hxqr0WbSS 1pO0/daHUOrW9Su+UlKaLVyBJqSargJkmhFJLJiiGT/gt31SOcr3Vxc8m/s9Wnye1s 0jS3QM3juuVwiWNfvSbaCDh/7OOrFzJopn8112Fk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Tiezhu Yang , Takashi Iwai Subject: [PATCH 5.4 089/129] Revert "ALSA: hda: Add support for Loongson 7A1000 controller" Date: Tue, 8 Sep 2020 17:25:30 +0200 Message-Id: <20200908152234.167102224@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200908152229.689878733@linuxfoundation.org> References: <20200908152229.689878733@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: Tiezhu Yang commit eed8f88b109aa927fbf0d0c80ff9f8d00444ca7f upstream. This reverts commit 61eee4a7fc40 ("ALSA: hda: Add support for Loongson 7A1000 controller") to fix the following error on the Loongson LS7A platform: rcu: INFO: rcu_preempt self-detected stall on CPU NMI backtrace for cpu 0 CPU: 0 PID: 68 Comm: kworker/0:2 Not tainted 5.8.0+ #3 Hardware name: , BIOS Workqueue: events azx_probe_work [snd_hda_intel] Call Trace: [] show_stack+0x9c/0x130 [] dump_stack+0xb0/0xf0 [] nmi_cpu_backtrace+0x134/0x140 [] nmi_trigger_cpumask_backtrace+0x190/0x200 [] rcu_dump_cpu_stacks+0x12c/0x190 [] rcu_sched_clock_irq+0xa2c/0xfc8 [] update_process_times+0x2c/0xb8 [] tick_sched_timer+0x40/0xb8 [] __hrtimer_run_queues+0x118/0x1d0 [] hrtimer_interrupt+0x12c/0x2d8 [] c0_compare_interrupt+0x74/0xa0 [] __handle_irq_event_percpu+0xa8/0x198 [] handle_irq_event_percpu+0x30/0x90 [] handle_percpu_irq+0x88/0xb8 [] generic_handle_irq+0x44/0x60 [] do_IRQ+0x18/0x28 [] plat_irq_dispatch+0x64/0x100 [] handle_int+0x140/0x14c [] irq_exit+0xf8/0x100 Because AZX_DRIVER_GENERIC can not work well for Loongson LS7A HDA controller, it needs some workarounds which are not merged into the upstream kernel at this time, so it should revert this patch now. Fixes: 61eee4a7fc40 ("ALSA: hda: Add support for Loongson 7A1000 controller") Cc: # 5.9-rc1+ Signed-off-by: Tiezhu Yang Link: https://lore.kernel.org/r/1598348388-2518-1-git-send-email-yangtiezhu@loongson.cn Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/pci/hda/hda_intel.c | 2 -- 1 file changed, 2 deletions(-) --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2671,8 +2671,6 @@ static const struct pci_device_id azx_id .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI }, /* Zhaoxin */ { PCI_DEVICE(0x1d17, 0x3288), .driver_data = AZX_DRIVER_ZHAOXIN }, - /* Loongson */ - { PCI_DEVICE(0x0014, 0x7a07), .driver_data = AZX_DRIVER_GENERIC }, { 0, } }; MODULE_DEVICE_TABLE(pci, azx_ids);