Re: [PATCH 11/11] ARM64 / PCI / ACPI: support for ACPI based PCI hostbridge init

[Hanjun Guo]

On 2015å05æ26æ 23:12, Tomasz Nowicki wrote:
> On 26.05.2015 14:49, Hanjun Guo wrote:
> > Based on Jiang Liu's common interface to support PCI host bridge
> > init and refactoring of MMCONFIG, this patch using information
> > from ACPI MCFG table and IO/irq resources from _CRS to init
> > ARM64 PCI hostbridge, then PCI will work on ARM64.
> >
> > This patch is based on Mark Salter and Tomasz Nowicki's work.
> >
> > Signed-off-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
> > Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@xxxxxxx>
> > CC: Arnd Bergmann <arnd@xxxxxxxx>
> > CC: Catalin Marinas <catalin.marinas@xxxxxxx>
> > CC: Liviu Dudau <Liviu.Dudau@xxxxxxx>
> > CC: Lorenzo Pieralisi <Lorenzo.Pieralisi@xxxxxxx>
> > CC: Will Deacon <will.deacon@xxxxxxx>
> > ---
> >   arch/arm64/Kconfig      |   7 ++
> >   arch/arm64/kernel/pci.c | 245
> > +++++++++++++++++++++++++++++++++++++++++++++---
> >   drivers/pci/pci.c       |  26 +++--
> >   3 files changed, 257 insertions(+), 21 deletions(-)
> >
> > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> > index 9b80428..8e4b789 100644
> > --- a/arch/arm64/Kconfig
> > +++ b/arch/arm64/Kconfig
> > @@ -276,6 +276,13 @@ config PCI_DOMAINS_GENERIC
> >   config PCI_SYSCALL
> >       def_bool PCI
> >
> > +config PCI_MMCONFIG
> > +    def_bool y
> > +    select PCI_ECAM
> > +    select HAVE_PCI_ECAM
> > +    select GENERIC_PCI_ECAM
> HAVE_PCI_ECAM and GENERIC_PCI_ECAM should be selected by platform.

OK.

> > +    depends on ACPI
> I think we should depend on PCI too.

Since ACPI depends on PCI, denpends on
PCI is duplicate I think.

Thanks
Hanjun
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