linux-kernel - Re: [PATCH V7 0/4] PCI: Add support for preserving boot configuration

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Date: Mon, 3 Jun 2024 16:21:46 -0500
From: Bjorn Helgaas <helgaas@...nel.org>
To: Vidya Sagar <vidyas@...dia.com>
Cc: bhelgaas@...gle.com, rafael@...nel.org, lenb@...nel.org,
	will@...nel.org, lpieralisi@...nel.org, kw@...ux.com,
	robh@...nel.org, frowand.list@...il.com, linux-pci@...r.kernel.org,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	treding@...dia.com, jonathanh@...dia.com, kthota@...dia.com,
	mmaddireddy@...dia.com, sagar.tv@...il.com
Subject: Re: [PATCH V7 0/4] PCI: Add support for preserving boot configuration

On Wed, May 08, 2024 at 11:11:34PM +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.
> 
> This patch series is a complete version of the incomplete series
> ( https://lore.kernel.org/linux-pci/20240421190914.374399-1-helgaas@kernel.org/ )
> posted by Bjorn which in turn was an attempted split work of the single V6 patch
> ( https://lore.kernel.org/linux-pci/20240418174043.3750240-1-vidyas@nvidia.com/ )
> posted by me.
> 
> Vidya Sagar (4):
>   PCI: Move PRESERVE_BOOT_CONFIG _DSM evaluation to
>     pci_register_host_bridge()
>   PCI: of: Add of_pci_preserve_config() for per-host bridge support
>   PCI: Unify ACPI and DT 'preserve config' support
>   PCI: Use preserve_config in place of pci_flags
> 
>  drivers/acpi/pci_root.c                  | 12 ------
>  drivers/pci/controller/pci-host-common.c |  4 --
>  drivers/pci/of.c                         | 54 +++++++++++++++++++-----
>  drivers/pci/pci-acpi.c                   | 22 ++++++++++
>  drivers/pci/pci.h                        | 12 ++++++
>  drivers/pci/probe.c                      | 34 ++++++++++-----
>  6 files changed, 101 insertions(+), 37 deletions(-)

Applied to pci/enumeration for v6.11, thanks!