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=-12.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 AD89BC433E2 for ; Wed, 9 Sep 2020 01:01:55 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 63B9F21D42 for ; Wed, 9 Sep 2020 01:01:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Y9wXPvGO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 63B9F21D42 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=CkI6xmvTr4FBpIKBbXkty5qWY8CVklvpg62SLQAFTL0=; b=Y9wXPvGOIu5tp2s+lOjfPAgCe iEqkuXcJ7AAMczaYNBhXorrxmZjra1zA1EfRzNY9v8tvbJTTHdtz1eSBNcsrGenlulRC0wpJz9pcG fQKrP4iAOjEDPf1NLWCkpJNf6FKNgqIdlnvQaE+RAUGIcZoTh1HaaYTA8pprMV7Tel5CxgjNkfnOO We3Kk4YqJPS/TUwIAWAONOYsDSMw4MilnMMqocA7UXNRqO3M8Wr2wN+LW69FZxr+gHfcOk3DJa8ZT CU0ughRnEsc1A/6jPePatnDU2b/iQbX03VRaujPkHdUQPLkKRqU6hrsWNGHJzYs9oDkNn8fAHulmZ CSfe+G9Gg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kFoTC-0003ew-3c; Wed, 09 Sep 2020 01:00:18 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190] helo=huawei.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kFoT9-0003eF-8Q for linux-arm-kernel@lists.infradead.org; Wed, 09 Sep 2020 01:00:16 +0000 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id DACEB96FF17F7E8EE840; Wed, 9 Sep 2020 09:00:02 +0800 (CST) Received: from [127.0.0.1] (10.174.179.33) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.487.0; Wed, 9 Sep 2020 09:00:00 +0800 Subject: Re: [PATCH v2] PCI/ACPI: Suppress missing MCFG message To: Jeremy Linton , References: <20200908210359.569294-1-jeremy.linton@arm.com> From: Hanjun Guo Message-ID: Date: Wed, 9 Sep 2020 08:59:59 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <20200908210359.569294-1-jeremy.linton@arm.com> Content-Language: en-GB X-Originating-IP: [10.174.179.33] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200908_210015_535119_2B0F8449 X-CRM114-Status: GOOD ( 16.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lorenzo.pieralisi@arm.com, linux-pci@vger.kernel.org, tn@semihalf.com, rjw@rjwysocki.net, steven.price@arm.com, sudeep.holla@arm.com, bhelgaas@google.com, linux-arm-kernel@lists.infradead.org, lenb@kernel.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2020/9/9 5:03, Jeremy Linton wrote: > MCFG is an optional ACPI table. Given there are machines > without PCI(e) (or it is hidden) we have been receiving > queries/complaints about what this message means given > its being presented as an error. > > Lets reduce the severity, the ACPI table list printed at > boot will continue to provide another way to detect when > the table is missing. > > Signed-off-by: Jeremy Linton > --- > drivers/acpi/pci_mcfg.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/acpi/pci_mcfg.c b/drivers/acpi/pci_mcfg.c > index 54b36b7ad47d..c8ef3bb5aa00 100644 > --- a/drivers/acpi/pci_mcfg.c > +++ b/drivers/acpi/pci_mcfg.c > @@ -280,5 +280,5 @@ void __init pci_mmcfg_late_init(void) > { > int err = acpi_table_parse(ACPI_SIG_MCFG, pci_mcfg_parse); > if (err) > - pr_err("Failed to parse MCFG (%d)\n", err); > + pr_debug("Failed to parse MCFG (%d)\n", err); > } > Reviewed-by: Hanjun Guo _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel