[PATCH V5] PCI: Add support for preserving boot configuration

[Rob Herring]

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 <vidyas at nvidia.com>
> ---
> 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 <lkp at intel.com>
> 
>  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 <robh at kernel.org>