linux-kernel - Re: [RFC PATCH 0/3] ECAM quirks handling for ARM64 platforms

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Message-ID: <20160719211753.GA17840@localhost>
Date:	Tue, 19 Jul 2016 16:17:53 -0500
From:	Bjorn Helgaas <helgaas@...nel.org>
To:	Tomasz Nowicki <tn@...ihalf.com>
Cc:	arnd@...db.de, will.deacon@....com, catalin.marinas@....com,
	rafael@...nel.org, hanjun.guo@...aro.org,
	Lorenzo.Pieralisi@....com, okaya@...eaurora.org,
	jchandra@...adcom.com, robert.richter@...iumnetworks.com,
	mw@...ihalf.com, Liviu.Dudau@....com, ddaney@...iumnetworks.com,
	wangyijing@...wei.com, Suravee.Suthikulpanit@....com,
	msalter@...hat.com, linux-pci@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, linaro-acpi@...ts.linaro.org,
	jcm@...hat.com, andrea.gallo@...aro.org, dhdang@....com,
	jeremy.linton@....com, liudongdong3@...wei.com, cov@...eaurora.org
Subject: Re: [RFC PATCH 0/3] ECAM quirks handling for ARM64 platforms

On Thu, Jun 02, 2016 at 10:41:00AM +0200, Tomasz Nowicki wrote:
> This series bases on pending ACPI PCI support for ARM64:
> https://lkml.org/lkml/2016/5/30/468
> 
> Quirk handling relies on an idea of matching MCFG OEM ID and OEM revision
> (the ones from standard header of MCFG table). Linker section is used
> so that quirks can be registered using special macro (see patches) and
> kept self contained.
> 
> As an example, last patch presents above mechanism usage for ThunderX PEM driver.
> 
> Tomasz Nowicki (3):
>   pci, acpi: Match PCI config space accessors against platfrom specific
>     ECAM quirks.
>   arm64, pci: Start using quirks handling for ACPI based PCI host
>     controller.
>   pci, pci-thunder-pem: Add ACPI support for ThunderX PEM.
> 
>  arch/arm64/kernel/pci.c            |   7 +-
>  drivers/acpi/pci_mcfg.c            |  32 +++++++++
>  drivers/pci/host/pci-thunder-pem.c | 132 +++++++++++++++++++++++++++++++++----
>  include/asm-generic/vmlinux.lds.h  |   7 ++
>  include/linux/pci-acpi.h           |  19 ++++++
>  5 files changed, 181 insertions(+), 16 deletions(-)

Is this series superceded by Dongdong's series of 6/13 ("[RFC,V2,1/2]
ACPI/PCI: Match PCI config space accessors against platfrom specific ECAM
quirks")?