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=-20.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 70996C433EF for ; Mon, 20 Sep 2021 18:52:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5397E60EE4 for ; Mon, 20 Sep 2021 18:52:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1386128AbhITSxn (ORCPT ); Mon, 20 Sep 2021 14:53:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:33542 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1385511AbhITSue (ORCPT ); Mon, 20 Sep 2021 14:50:34 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id E49E76338A; Mon, 20 Sep 2021 17:34:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1632159298; bh=PANFbJcVPUudqr+Gw+EufyPkfBUZLsahUaC5/LKz4c0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G5xuQTAxb6KoQ+Sc629j9/hXYwhFr4Y8bmcfTiKulNksqJ1K07a7gUE5s0irHA43N xo0xilNWlcQKUwtVjfqqEZkmGpxLePo5QGZP3eq8M8SJ0bu20S7JTVNcyod/GNzQfw PRXvDEs+3b2Cy+igAY1kzWyP9sFezUoXixehkLYE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jakub Kicinski , Bjorn Helgaas , "David E. Box" , Sasha Levin Subject: [PATCH 5.14 135/168] PCI/PTM: Remove error message at boot Date: Mon, 20 Sep 2021 18:44:33 +0200 Message-Id: <20210920163926.101528761@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210920163921.633181900@linuxfoundation.org> References: <20210920163921.633181900@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jakub Kicinski [ Upstream commit ff3a52ab9cab01a53b168dc667fe789f56b90aa9 ] Since 39850ed51062 ("PCI/PTM: Save/restore Precision Time Measurement Capability for suspend/resume"), devices that have PTM capability but don't enable it see this message on calls to pci_save_state(): no suspend buffer for PTM Drop the message, it's perfectly fine not to use a capability. Fixes: 39850ed51062 ("PCI/PTM: Save/restore Precision Time Measurement Capability for suspend/resume") Link: https://lore.kernel.org/r/20210811185955.3112534-1-kuba@kernel.org Signed-off-by: Jakub Kicinski Signed-off-by: Bjorn Helgaas Acked-by: David E. Box Signed-off-by: Sasha Levin --- drivers/pci/pcie/ptm.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/pci/pcie/ptm.c b/drivers/pci/pcie/ptm.c index 95d4eef2c9e8..4810faa67f52 100644 --- a/drivers/pci/pcie/ptm.c +++ b/drivers/pci/pcie/ptm.c @@ -60,10 +60,8 @@ void pci_save_ptm_state(struct pci_dev *dev) return; save_state = pci_find_saved_ext_cap(dev, PCI_EXT_CAP_ID_PTM); - if (!save_state) { - pci_err(dev, "no suspend buffer for PTM\n"); + if (!save_state) return; - } cap = (u16 *)&save_state->cap.data[0]; pci_read_config_word(dev, ptm + PCI_PTM_CTRL, cap); -- 2.30.2