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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 A6DCEC8303C for ; Mon, 7 Jul 2025 11:29:33 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4bbMTS2MVWz30W5; Mon, 7 Jul 2025 21:29:32 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=172.234.252.31 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1751887772; cv=none; b=dnNIHzcJ5gYhausohAGZCi09wS+aoYfhq85O7q8pSB7KY76oXincwZ62taZMueMsEMqPF4Vm3lfMgsWthYzLGUPOpPYUAhiA3dTsrwOhD8VEj9rLzF8uqfrpnIGGE/qTLi8hQpD9ARB7bOYrNOnfVjXa0gUfs6MqExZyfh/VnIV6OshxmyjbYuRgDndJFIyO5ZqwktOoUgLeHDuiqyAkx9LspVmUlAKDWFoWcJwzJ7nBX8H5rBCwbMM3Faz9n2KxxkIIyW7PRX2kyGEyX31bJwIHT73B83IrYVkivdzcYyI9BFndlWm283jkyDpYKBaQ4DGNO1Dvxpf9cqEtcIXetg== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1751887772; c=relaxed/relaxed; bh=EsfHI0Bbse/F6dgnNQP7Uv/3935LWj8bh0rxNiYRUk8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=W4Uf0pIMfWZzptjWlJvVqG301MyoK7Mtz51nHV+JXNm/KSFsvkAYhe05BnJ5v3p85Gw4kX7loz2ej0XHVSZceJ7l/hsU4hku7WK2hvgLACQfdXcKHugPV7xgsFU+PnX/JAg9aLsFoepYpritSk/eeQMAsT0LNjtM7MP7VG3x9v/5anCGKIGu69xoqvtDg7xANeLjgcBXEqCHG72gJGE0YyrYzdmSdI1RtvkIj0noeNrKZbqDw+WnC2JymX2EZmNLPu0uj4PrGNmSOFdtI7Mmq8JRdZIMrH/40PETLqWkQjX1lj9zm3yTJCmf9sk/coIWIq7+6ucTFrlwpw8AAudJBQ== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=nzQ9mSTl; dkim-atps=neutral; spf=pass (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=cassel@kernel.org; receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=nzQ9mSTl; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=cassel@kernel.org; receiver=lists.ozlabs.org) Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4bbMTR4PzTz30TG for ; Mon, 7 Jul 2025 21:29:31 +1000 (AEST) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 98AAA46259; Mon, 7 Jul 2025 11:29:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D4ADBC4CEE3; Mon, 7 Jul 2025 11:29:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751887769; bh=pvrgPbujdZyNCnqS0MoPZy4z92NtoD/434IVrBGaRNc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=nzQ9mSTlqbjPryIzU8C3XJ2bHMoEKQ4PGiXh5kPvsK61snx3Ko7sg4bDQvAmsjNyn VjBlyc7OVsGY2nwbPevisTcnOZK72lB3PDlNakMUad5FcfmPBbVvdvDypLIGh5uRc9 Q0bIaDP6yBFVAoBnE5RPw0SrJ4O16orY4aRAURr38XAqFX3GWO0SokyG/y9LHLARxi hG7GbGWrC4zCJmvhUjqO8RheFBQ9GYnPogZwKq6XTG1kRXJ0oXeWcwj/OUXhvcw5+i eI4LdHoFj/fSjCgPFR2upUo2YoxS57r/w2/C75umpqC6zf9X7F5LaM4bg7gRmYrh9F /minS3KOUu35Q== Date: Mon, 7 Jul 2025 13:29:22 +0200 From: Niklas Cassel To: Manivannan Sadhasivam Cc: Bjorn Helgaas , Mahesh J Salgaonkar , Oliver O'Halloran , Bjorn Helgaas , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Rob Herring , Zhou Wang , Will Deacon , Robert Richter , Alyssa Rosenzweig , Marc Zyngier , Conor Dooley , Daire McNamara , dingwei@marvell.com, Lukas Wunner , Krishna Chaitanya Chundru , linuxppc-dev@lists.ozlabs.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org Subject: Re: [PATCH v4 4/5] PCI: host-common: Add link down handling for host bridges Message-ID: References: <20250530113404.GA138859@bhelgaas> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: + Mani's kernel.org email. On Mon, Jul 07, 2025 at 01:05:39PM +0200, Niklas Cassel wrote: > Hello Mani, > > On Fri, May 30, 2025 at 09:39:28PM +0530, Manivannan Sadhasivam wrote: > > On Fri, May 30, 2025 at 06:34:04AM -0500, Bjorn Helgaas wrote: > > > > > I think pci_host_handle_link_down() should take a Root Port, not a > > > host bridge, and the controller driver should figure out which port > > > needs to be recovered, or the controller driver can have its own loop > > > to recover all of them if it can't figure out which one needs it. > > > > > > > This should also work. Feel free to drop the relevant commits for v6.16, I can > > resubmit them (including dw-rockchip after -rc1). > > What is the current status of this? > > I assume that there is not much time left before 6.17 cut-off. > > > Kind regards, > Niklas