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=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 1206BCA9EA0 for ; Mon, 4 Nov 2019 11:43:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DA18A222C2 for ; Mon, 4 Nov 2019 11:43:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="eJ2t/pG6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727782AbfKDLn6 (ORCPT ); Mon, 4 Nov 2019 06:43:58 -0500 Received: from hqemgate16.nvidia.com ([216.228.121.65]:13413 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726441AbfKDLn6 (ORCPT ); Mon, 4 Nov 2019 06:43:58 -0500 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 04 Nov 2019 03:44:03 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Mon, 04 Nov 2019 03:43:57 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Mon, 04 Nov 2019 03:43:57 -0800 Received: from [10.25.75.8] (10.124.1.5) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 4 Nov 2019 11:43:53 +0000 Subject: Re: [PATCH] PCI: Add CRS timeout for pci_device_is_present() To: Sinan Kaya , "Rafael J. Wysocki" , CC: Thierry Reding , , , , , , , References: <20191005182129.32538-1-vidyas@nvidia.com> <20191014082023.GA232162@ulmo> <20191015093053.GA5778@ulmo> <4953b718-8818-575e-2ec1-8197e6b32593@kernel.org> <85267afb-c08e-5625-d3ee-bd32af9ecb12@nvidia.com> <4424cd45-e441-0d8d-548e-5c025f48bb03@kernel.org> X-Nvconfidentiality: public From: Vidya Sagar Message-ID: <065d1b8a-29e1-9282-27ba-5512f9f4f1d4@nvidia.com> Date: Mon, 4 Nov 2019 17:13:50 +0530 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.2.1 MIME-Version: 1.0 In-Reply-To: <4424cd45-e441-0d8d-548e-5c025f48bb03@kernel.org> X-Originating-IP: [10.124.1.5] X-ClientProxiedBy: HQMAIL111.nvidia.com (172.20.187.18) To HQMAIL107.nvidia.com (172.20.187.13) Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1572867843; bh=gcy2haXpNW5l0d5bnASisCYz6bV/g3KmIK8t0wh0Pjs=; h=X-PGP-Universal:Subject:To:CC:References:X-Nvconfidentiality:From: Message-ID:Date:User-Agent:MIME-Version:In-Reply-To: X-Originating-IP:X-ClientProxiedBy:Content-Type:Content-Language: Content-Transfer-Encoding; b=eJ2t/pG6AtJ3pZAw84zry50ncfS++CgjZ+sawxj7CgRuWOV59SQ00NHCkEQfxxeNM ekFuZK4PPNbdHYxwAJjYi5FXIuA1d6jpklX6PxlKr/O6FOgDxUWIS6qEzG0xVmtBLA HtMRLKONlrkLwfnjT47xBMHvX3GKZaaNLP5P85pvDu0wn0bLAhspLDVPKYcc5FlOHT 2BQve3GeQnygDfJI1vt9qKlMaQzMiMh2lrAmVjB/a0KfoWZ0xgTaUCmjWviCZR0z/o H7WAl6QsB7XJz4E8zqBLe90xFCI6SqJnbRIlpw2PL1TUpajaju3U925PlKLCSbytKv XZMYAboxUNwHQ== Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On 10/26/2019 7:29 PM, Sinan Kaya wrote: > On 10/25/2019 7:58 AM, Vidya Sagar wrote: >> On 10/21/2019 11:13 AM, Vidya Sagar wrote: >> >> Hi Sinan / Rafael, >> Apologies for the ping again. >> Do you guys have any further comments on this? >> >> -Vidya Sagar > > I think you'll need some attention from Bjorn here to see the complete > picture. > > As I said, changing pci_device_is_present() is not right. This needs to > be done at one level higher. Hi Bjorn, Could you please help me understand why this change can't be done in pci_device_is_present() API? - Vidya Sagar >