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

From: Bjorn Helgaas
Date: Mon Jun 03 2024 - 17:22:00 EST


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@xxxxxxxxxx/ )
> 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@xxxxxxxxxx/ )
> 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!