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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 02252C433E0 for ; Thu, 21 Jan 2021 08:29:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A9F4723976 for ; Thu, 21 Jan 2021 08:28:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727798AbhAUI2z (ORCPT ); Thu, 21 Jan 2021 03:28:55 -0500 Received: from mail.kernel.org ([198.145.29.99]:55374 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725922AbhAUI2U (ORCPT ); Thu, 21 Jan 2021 03:28:20 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 64C9F23976; Thu, 21 Jan 2021 08:27:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1611217660; bh=9GHkPoKU7YkckCkJQxzTRA5qEkvV7woYB8UWDbqK4WA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=PMqrrIxrCL45N1tcR6tvsdCmNnpPN0fNoTXIimsYg/R6Z8nPAxWiEIpPTMG5HtXC6 /PEAp1uc+eG3eCxqmm99YnWS2gM4bM2Cywoyx4BTdwBuUyi3mLVcdhGNYBkx/nkuoR 4RhQp+tSU9MQvKRVzNY+RutuFdeV2Su2CIJfe88A= Date: Thu, 21 Jan 2021 09:27:37 +0100 From: "gregkh@linuxfoundation.org" To: =?utf-8?B?5ZCz5piK5r6E?= Ricky Cc: "arnd@arndb.de" , "ricky_wu@realtek.corp-partner.google.com" , "sashal@kernel.org" , "levinale@google.com" , "keitasuzuki.park@sslab.ics.keio.ac.jp" , "kdlnx@doth.eu" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] rtsx: pci: fix device aspm state bug Message-ID: References: <20210121072858.32028-1-ricky_wu@realtek.com> <8563fc3264ad4f46bfa05a3cbdb7d644@realtek.com> <46473ff62a284bf1bdb703e13884beac@realtek.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <46473ff62a284bf1bdb703e13884beac@realtek.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 21, 2021 at 08:15:46AM +0000, 吳昊澄 Ricky wrote: > > -----Original Message----- > > From: gregkh@linuxfoundation.org > > Sent: Thursday, January 21, 2021 4:07 PM > > To: 吳昊澄 Ricky > > Cc: arnd@arndb.de; ricky_wu@realtek.corp-partner.google.com; > > sashal@kernel.org; levinale@google.com; keitasuzuki.park@sslab.ics.keio.ac.jp; > > kdlnx@doth.eu; linux-kernel@vger.kernel.org > > Subject: Re: [PATCH] rtsx: pci: fix device aspm state bug > > > > On Thu, Jan 21, 2021 at 07:33:03AM +0000, 吳昊澄 Ricky wrote: > > > Hi Greg kh, > > > > > > This patch to fix misc: rtsx bug for kernel 5.4 > > > > I do not understand what this means, sorry. Can you please explain it? > > > On the newest upstream we don’t set config space for en/disable aspm, > so it will not happen this issue > but on kernel 5.4 longterm version we need to fix it Please read https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to submit patches to the stable tree properly. And if this is not an issue in Linus's tree, why not just backport the commits that fixed this issue? That's the best way to do this. thanks, greg k-h