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

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Message-ID: <578F067C.7080509@semihalf.com>
Date:	Wed, 20 Jul 2016 07:05:00 +0200
From:	Tomasz Nowicki <tn@...ihalf.com>
To:	Bjorn Helgaas <helgaas@...nel.org>
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 19.07.2016 23:17, Bjorn Helgaas wrote:
> 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 Is this series superceded by Dongdong's series of 6/13 ("[RFC,V2,1/2]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")?
>

Yes this series had two another versions (v2,v3) posted by someone else. 
However, I posted another v4 which is the latest one:
[RFC PATCH v4 0/5] ECAM quirks handling for ARM64 platforms
https://lkml.org/lkml/2016/6/28/165

In v4 there is one minor thing to be fixed. Do you want me to resend it 
as v5 including mentioned fix ?

Thanks,
Tomasz