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=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH,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 A67E3C4646D for ; Fri, 10 Aug 2018 04:32:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 47DF9223E3 for ; Fri, 10 Aug 2018 04:32:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="ip2IuisG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 47DF9223E3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727109AbeHJHAY (ORCPT ); Fri, 10 Aug 2018 03:00:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:43506 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725907AbeHJHAY (ORCPT ); Fri, 10 Aug 2018 03:00:24 -0400 Received: from sinanubuntu1604.mkjiurmyylmellclgttazegk5f.bx.internal.cloudapp.net (unknown [104.41.132.238]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EC783223E3; Fri, 10 Aug 2018 04:32:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1533875538; bh=2dSskBhdu2Vbmhu0cPHC0rb0tSue/ctBzCANTdsgo1c=; h=From:To:Cc:Subject:Date:From; b=ip2IuisGTRj7GMu+IbmC1e8F1LGwHyy0yfMgrIKKU5AzKLoULpNHmfP4D4SnRQl+C k5V0tu0W4OnDaoP3CwToInXibIRBK6RGCkgqXWFe5xXk1cURu3U2i7/m2NAOCIMwfY ljHG4yoSWtQqYYcWETaQF5WYi9BBbYhBIhtNifBg= From: Sinan Kaya To: linux-pci@vger.kernel.org Cc: Sinan Kaya , Bjorn Helgaas , "Rafael J. Wysocki" , Len Brown , linux-acpi@vger.kernel.org (open list:ACPI), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2 1/2] PCI/ACPI: correct error message for ASPM disabling Date: Fri, 10 Aug 2018 04:32:11 +0000 Message-Id: <1533875532-24954-1-git-send-email-okaya@kernel.org> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If _OSC execution fails today for platforms without an _OSC entry, code is printing a misleading message saying disabling ASPM as follows: acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM We need to ensure that platform supports ASPM to begin with. Signed-off-by: Sinan Kaya Reported-by: Michael Kelley --- drivers/acpi/pci_root.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 7433035..e465e72 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -455,8 +455,9 @@ static void negotiate_os_control(struct acpi_pci_root *root, int *no_aspm) decode_osc_support(root, "OS supports", support); status = acpi_pci_osc_support(root, support); if (ACPI_FAILURE(status)) { - dev_info(&device->dev, "_OSC failed (%s); disabling ASPM\n", - acpi_format_exception(status)); + dev_info(&device->dev, "_OSC failed (%s)%s\n", + acpi_format_exception(status), + pcie_aspm_support_enabled() ? "; disabling ASPM" : ""); *no_aspm = 1; return; } -- 2.7.4