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Message-ID: <EE11001F9E5DDD47B7634E2F8A612F2E1F7D72BF@lhreml507-mbx>
Date:	Tue, 12 Jul 2016 10:21:30 +0000
From:	Gabriele Paoloni <gabriele.paoloni@...wei.com>
To:	Arnd Bergmann <arnd@...db.de>,
	"liudongdong (C)" <liudongdong3@...wei.com>
CC:	"helgaas@...nel.org" <helgaas@...nel.org>,
	"rafael@...nel.org" <rafael@...nel.org>,
	"Lorenzo.Pieralisi@....com" <Lorenzo.Pieralisi@....com>,
	"tn@...ihalf.com" <tn@...ihalf.com>,
	"Wangzhou (B)" <wangzhou1@...ilicon.com>,
	"pratyush.anand@...il.com" <pratyush.anand@...il.com>,
	"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>,
	"jcm@...hat.com" <jcm@...hat.com>,
	"Chenxin (Charles)" <charles.chenxin@...wei.com>,
	Linuxarm <linuxarm@...wei.com>
Subject: RE: [RFC PATCH 3/3] PCI/ACPI: hisi: Add ACPI support for HiSilicon
 SoCs Host Controllers

> -----Original Message-----
> From: Arnd Bergmann [mailto:arnd@...db.de]
> Sent: 12 July 2016 16:35
> To: liudongdong (C)
> Cc: helgaas@...nel.org; rafael@...nel.org; Lorenzo.Pieralisi@....com;
> tn@...ihalf.com; Wangzhou (B); pratyush.anand@...il.com; linux-
> pci@...r.kernel.org; linux-acpi@...r.kernel.org; linux-
> kernel@...r.kernel.org; jcm@...hat.com; Gabriele Paoloni; Chenxin
> (Charles); Linuxarm
> Subject: Re: [RFC PATCH 3/3] PCI/ACPI: hisi: Add ACPI support for
> HiSilicon SoCs Host Controllers
> 
> On Tuesday, July 12, 2016 10:42:24 AM CEST Dongdong Liu wrote:
> >  MAINTAINERS                       |   1 +
> >  drivers/pci/host/Kconfig          |   7 ++
> >  drivers/pci/host/Makefile         |   1 +
> >  drivers/pci/host/mcfg-quirks.c    |   8 ++
> >  drivers/pci/host/mcfg-quirks.h    |   8 ++
> >  drivers/pci/host/pcie-hisi-acpi.c | 151
> ++++++++++++++++++++++++++++++++++++++
> >  drivers/pci/host/pcie-hisi.c      |   2 -
> >  drivers/pci/host/pcie-hisi.h      |   2 +
> >  8 files changed, 178 insertions(+), 2 deletions(-)
> >  create mode 100644 drivers/pci/host/pcie-hisi-acpi.c
> >
> >
> 
> Please keep the quirks separate from the PCI host drivers.
> 
> The ACPI code includes its own host driver and the only thing
> you need to override here is the config space access, so just put that
> into drivers/acpi/

Hi Arnd, thanks for replying.

Basically we just followed what Tomasz has done in
"[RFC PATCH v4 0/5] ECAM quirks handling for ARM64 platforms"

In this case the ThunderX quirks have been defined in
"drivers/pci/host/pci-thunder-pem.c".

Cheers
Gab

> 
> 	Arnd

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