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[2604:1380:4601:e00::3]) by mx.google.com with ESMTPS id f4-20020a17090624c400b00a4df0767a31si5593025ejb.328.2024.04.02.09.01.56 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Apr 2024 09:01:56 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-128309-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=aSLA4esj; arc=pass (i=1 dkim=pass dkdomain=kernel.org); spf=pass (google.com: domain of linux-kernel+bounces-128309-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-128309-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id 3527C1F23627 for ; Tue, 2 Apr 2024 16:01:56 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 2A3CB13175A; Tue, 2 Apr 2024 16:01:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="aSLA4esj" 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 D91AB133422; Tue, 2 Apr 2024 16:01:37 +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=1712073698; cv=none; b=qihu3l16+ZPgvQdtp153znlotydyIKZ3M/b5zVfefKH0YH1HcUjlLNEh8gukuZwKu0ewHXsgUTgEvPKaAXmjhK2E/RspNiz54VK4VbknY1s6CBUQzzdSGvS/KHgO0k4oDXwk3jsDTLmgriOWdsJXF75vizoHq4dqi8djkYdQORo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712073698; c=relaxed/simple; bh=piAeRL8jL5H//bWXatXO+ZkDRSotyneYNOXg1rYkXlU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=PpJk4bENlLm86kCAYz8/zif2ZST+rJTnvpbrLjphja03INuoMqc+sXxeN3nIbShukjz3AjeiAEkHl20fn3wqLUHTVp+8tvPEGkZQUZRJ67w7q5bW/yVfTFlmjF/rh6qfBweyXPnYJ105+XIFiOckuRBBpD7swZUMbJU6r/OB9nA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aSLA4esj; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 36B04C433F1; Tue, 2 Apr 2024 16:01:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712073697; bh=piAeRL8jL5H//bWXatXO+ZkDRSotyneYNOXg1rYkXlU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=aSLA4esj25B6Ow9aAFy65xp2uv+GjcvwJVWZJpNlI4qQX93hI9VMBj9DB5pnefXCl Z5R2qfqGdYil99aiGgFNQIfd+8Gu0mV8X3a7Ti5pw5ZqXiBvnDnJjn54qU6TEdLj3c fnvjiOLwNPj2sXiwJLxnlIPpzwK5ns6clE5kms1wEp+0HkgQL36ALQc7aZqXCcYERo QPjPhY1citXxJ7N2/I1kxnrX89IeSHQqzr/4hvCiXuyVjbjUnhGOTQk3F+OLrsGu5O PBf/CVoGi2mT+YAd2KqzxYFXrsnN29t7LWbTPq/ZYhaSHLHIYcEFI5JRJmLT4hrI13 8odU9toOF8e3Q== Date: Tue, 2 Apr 2024 11:01:35 -0500 From: Rob Herring To: Vidya Sagar Cc: lpieralisi@kernel.org, mmaddireddy@nvidia.com, linux-kernel@vger.kernel.org, will@kernel.org, jonathanh@nvidia.com, kthota@nvidia.com, frowand.list@gmail.com, kw@linux.com, linux-arm-kernel@lists.infradead.org, lenb@kernel.org, devicetree@vger.kernel.org, sagar.tv@gmail.com, rafael@kernel.org, bhelgaas@google.com, linux-pci@vger.kernel.org, treding@nvidia.com, linux-acpi@vger.kernel.org Subject: Re: [PATCH V5] PCI: Add support for preserving boot configuration Message-ID: <171207369295.222743.17702844066682854972.robh@kernel.org> References: <20240223080021.1692996-1-vidyas@nvidia.com> <20240401075031.3337211-1-vidyas@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <20240401075031.3337211-1-vidyas@nvidia.com> On Mon, 01 Apr 2024 13:20:31 +0530, Vidya Sagar wrote: > Add support for preserving the boot configuration done by the > platform firmware per host bridge basis, based on the presence of > 'linux,pci-probe-only' property in the respective PCI host bridge > device-tree node. It also unifies the ACPI and DT based boot flows > in this regard. > > Signed-off-by: Vidya Sagar > --- > V5: > * Addressed Rob's review comments > > V4: > * Addressed Bjorn's review comments > > V3: > * Unified ACPI and DT flows as part of addressing Bjorn's review comments > > V2: > * Addressed issues reported by kernel test robot > > drivers/acpi/pci_root.c | 12 ----- > drivers/pci/controller/pci-host-common.c | 4 -- > drivers/pci/of.c | 57 +++++++++++++++++++----- > drivers/pci/probe.c | 46 ++++++++++++++----- > include/linux/of_pci.h | 6 +++ > 5 files changed, 88 insertions(+), 37 deletions(-) > Reviewed-by: Rob Herring