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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 5B781C43381 for ; Mon, 4 Mar 2019 19:32:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 33885206BA for ; Mon, 4 Mar 2019 19:32:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726195AbfCDTcN (ORCPT ); Mon, 4 Mar 2019 14:32:13 -0500 Received: from shards.monkeyblade.net ([23.128.96.9]:38210 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726038AbfCDTcN (ORCPT ); Mon, 4 Mar 2019 14:32:13 -0500 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::d71]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 5252C147159E4; Mon, 4 Mar 2019 11:32:12 -0800 (PST) Date: Mon, 04 Mar 2019 11:32:11 -0800 (PST) Message-Id: <20190304.113211.1991255909321581564.davem@davemloft.net> To: kai.heng.feng@canonical.com Cc: mlindner@marvell.com, stephen@networkplumber.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] sky2: Disable MSI on Dell Inspiron 1545 and Gateway P-79 From: David Miller In-Reply-To: <20190304070003.30140-1-kai.heng.feng@canonical.com> References: <20190304070003.30140-1-kai.heng.feng@canonical.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Mon, 04 Mar 2019 11:32:13 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kai-Heng Feng Date: Mon, 4 Mar 2019 15:00:03 +0800 > Some sky2 chips fire IRQ after S3, before the driver is fully resumed: > [ 686.804877] do_IRQ: 1.37 No irq handler for vector > > This is likely a platform bug that device isn't fully quiesced during > S3. Use MSI-X, maskable MSI or INTx can prevent this issue from > happening. > > Since MSI-X and maskable MSI are not supported by this device, fallback > to use INTx on affected platforms. > > BugLink: https://bugs.launchpad.net/bugs/1807259 > BugLink: https://bugs.launchpad.net/bugs/1809843 > Signed-off-by: Kai-Heng Feng Applied and queued up for -stable, thanks.