RE: [RFC PATCH 3/3] PCI/ACPI: hisi: Add ACPI support for HiSilicon SoCs Host Controllers

[Gabriele Paoloni]

> -----Original Message-----
> From: Arnd Bergmann [mailto:arnd@xxxxxxxx]
> Sent: 12 July 2016 16:35
> To: liudongdong (C)
> Cc: helgaas@xxxxxxxxxx; rafael@xxxxxxxxxx; Lorenzo.Pieralisi@xxxxxxx;
> tn@xxxxxxxxxxxx; Wangzhou (B); pratyush.anand@xxxxxxxxx; linux-
> pci@xxxxxxxxxxxxxxx; linux-acpi@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; jcm@xxxxxxxxxx; 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