From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E639015B135; Mon, 7 Jul 2025 11:29:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751887770; cv=none; b=jB+YNOgUTKlhImPc7RP08DPpxoN537KI4s2QEYowOv3ER1AIUZSNs+Ux/RHFdkvNgozxpCEabmgo1SIEFrVA4+2fT8UgzKXcWWzKwrA6qKBF4LxOLAzKOEM/rAmZFmbJkxI8PLV/f3nttDOK1bPcw4bW7tP60RhzH+PqUrs2F4U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751887770; c=relaxed/simple; bh=pvrgPbujdZyNCnqS0MoPZy4z92NtoD/434IVrBGaRNc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=mUF5K6KXvEZoSnO8lZOWkHwwu66LQN9adKQYSaxDB1ljMcNS6qIvgz4KlAZt0PmQMySB/WXAVoFQchYXbCjcNm6/SggggnNbDLRr0wCJ+QKXSOzSmBPplj9bXLcN+QWvSDys8+wDtdaAzAxCjTfiQkNZ57TA4ycsix01KLHZGlY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nzQ9mSTl; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="nzQ9mSTl" 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> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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