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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 32E5FC433EF for ; Thu, 17 Feb 2022 06:45:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=C6263DjMA8Ryzb1aZeAxR7nM1UBs9qXTaV2YXwbnjjA=; b=QyJrA2DekG/+B4qZLHe/iG6HHV zfgEuQaGWZD07zU8UMEmFs/hQlKvGHvmow3jKKITLOEt+ekUlBJYJBb3iZsp5PXgcMoDOxql/oZEu nP3uAY6aTIZLmHLyJ8coL7+YEAOf3rpJPFNHlXgLNtLdNXgNqk4zmIRg8iSJTs6Eubf7Yo0Yn2KIB jOXABfQ2mGmDMmK2hJ4sxVXeJZ4kB0uSPtIzSBUKOGJk1imaz1BSioCmmyDbqUf/Gq97Y0CVpUWfz iGnF/9BRcfRvgziQinxkJvApHeekUiHq3dDwUCixOJXFvGNAt/gtHS8ELSApAbkEIIZcWSzB1UYC7 LR3pZbHA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nKaXo-009948-74; Thu, 17 Feb 2022 06:45:36 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nKaXl-00993V-DI for linux-nvme@lists.infradead.org; Thu, 17 Feb 2022 06:45:35 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 4AFD768B05; Thu, 17 Feb 2022 07:45:25 +0100 (CET) Date: Thu, 17 Feb 2022 07:45:24 +0100 From: Christoph Hellwig To: Vidya Sagar Cc: kbusch@kernel.org, axboe@fb.com, hch@lst.de, sagi@grimberg.me, nitirawa@codeaurora.org, thierry.reding@gmail.com, jonathanh@nvidia.com, linux-nvme@lists.infradead.org Subject: Re: [PATCH] nvme/pci: Add QUICK_SIMPLE_SUSPEND for Tegra platforms Message-ID: <20220217064524.GA444@lst.de> References: <20220217023635.8963-1-vidyas@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220217023635.8963-1-vidyas@nvidia.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220216_224533_639523_CF4E9D22 X-CRM114-Status: GOOD ( 10.28 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Thu, Feb 17, 2022 at 08:06:35AM +0530, Vidya Sagar wrote: > All Tegra platforms remove power to the endpoint devices, hence, enable > the simple suspend path to avoid issues during resume. As repeated about half a dozen times: NAK. We can't quirk every driver for PCIe slot misbhehavior. This needs to go into the PCI/PM core.