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

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Date: Fri, 17 May 2024 05:35:10 +0000
From: Vidya Sagar <vidyas@...dia.com>
To: "bhelgaas@...gle.com" <bhelgaas@...gle.com>, "rafael@...nel.org"
	<rafael@...nel.org>, "lenb@...nel.org" <lenb@...nel.org>, "will@...nel.org"
	<will@...nel.org>, "lpieralisi@...nel.org" <lpieralisi@...nel.org>,
	"kw@...ux.com" <kw@...ux.com>, "robh@...nel.org" <robh@...nel.org>,
	"frowand.list@...il.com" <frowand.list@...il.com>
CC: "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "devicetree@...r.kernel.org"
	<devicetree@...r.kernel.org>, Thierry Reding <treding@...dia.com>, Jon Hunter
	<jonathanh@...dia.com>, Krishna Thota <kthota@...dia.com>, Manikanta
 Maddireddy <mmaddireddy@...dia.com>, "sagar.tv@...il.com"
	<sagar.tv@...il.com>
Subject: RE: [PATCH V7 0/4] PCI: Add support for preserving boot configuration

Hi Bjorn,
Thanks for reviewing and refactoring V6 patch.
Could you please review this V7 series as well?

Thanks,
Vidya Sagar

> -----Original Message-----
> From: Vidya Sagar <vidyas@...dia.com>
> Sent: Wednesday, May 8, 2024 11:12 PM
> To: 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
> Cc: 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; Thierry Reding <treding@...dia.com>; Jon Hunter
> <jonathanh@...dia.com>; Krishna Thota <kthota@...dia.com>; Manikanta
> Maddireddy <mmaddireddy@...dia.com>; Vidya Sagar <vidyas@...dia.com>;
> sagar.tv@...il.com
> Subject: [PATCH V7 0/4] PCI: Add support for preserving boot configuration
> 
> 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@...nel.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@...dia.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(-)
> 
> --
> 2.25.1