RE: [PATCH V7 00/11] Support for generic ACPI based PCI host controller

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Hi Tomasz

> -----Original Message-----
> From: Tomasz Nowicki [mailto:tn@xxxxxxxxxxxx]
> Sent: 11 May 2016 12:08
> To: Gabriele Paoloni; helgaas@xxxxxxxxxx; arnd@xxxxxxxx;
> will.deacon@xxxxxxx; catalin.marinas@xxxxxxx; rafael@xxxxxxxxxx;
> hanjun.guo@xxxxxxxxxx; Lorenzo.Pieralisi@xxxxxxx; okaya@xxxxxxxxxxxxxx;
> jchandra@xxxxxxxxxxxx
> Cc: robert.richter@xxxxxxxxxxxxxxxxxx; mw@xxxxxxxxxxxx;
> Liviu.Dudau@xxxxxxx; ddaney@xxxxxxxxxxxxxxxxxx; Wangyijing;
> Suravee.Suthikulpanit@xxxxxxx; msalter@xxxxxxxxxx; linux-
> pci@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-
> acpi@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linaro-
> acpi@xxxxxxxxxxxxxxxx; jcm@xxxxxxxxxx; andrea.gallo@xxxxxxxxxx;
> dhdang@xxxxxxx; jeremy.linton@xxxxxxx; liudongdong (C);
> cov@xxxxxxxxxxxxxx
> Subject: Re: [PATCH V7 00/11] Support for generic ACPI based PCI host
> controller
> 
> Hi Gabriele,
> 
> On 11.05.2016 12:41, Gabriele Paoloni wrote:
> > Hi Tomasz
> >
> >> -----Original Message-----
> >> From: linux-kernel-owner@xxxxxxxxxxxxxxx [mailto:linux-kernel-
> >> owner@xxxxxxxxxxxxxxx] On Behalf Of Tomasz Nowicki
> >> Sent: 10 May 2016 16:20
> >> To: helgaas@xxxxxxxxxx; arnd@xxxxxxxx; will.deacon@xxxxxxx;
> >> catalin.marinas@xxxxxxx; rafael@xxxxxxxxxx; hanjun.guo@xxxxxxxxxx;
> >> Lorenzo.Pieralisi@xxxxxxx; okaya@xxxxxxxxxxxxxx;
> jchandra@xxxxxxxxxxxx
> >> Cc: robert.richter@xxxxxxxxxxxxxxxxxx; mw@xxxxxxxxxxxx;
> >> Liviu.Dudau@xxxxxxx; ddaney@xxxxxxxxxxxxxxxxxx; Wangyijing;
> >> Suravee.Suthikulpanit@xxxxxxx; msalter@xxxxxxxxxx; linux-
> >> pci@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-
> >> acpi@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linaro-
> >> acpi@xxxxxxxxxxxxxxxx; jcm@xxxxxxxxxx; andrea.gallo@xxxxxxxxxx;
> >> dhdang@xxxxxxx; jeremy.linton@xxxxxxx; liudongdong (C);
> >> cov@xxxxxxxxxxxxxx; Tomasz Nowicki
> >> Subject: [PATCH V7 00/11] Support for generic ACPI based PCI host
> >> controller
> >>
> >>  From the functionality point of view this series may be split into
> the
> >> following logic parts:
> >> 1. New ECAM API and update for users of the pci-host-common API
> >> 2. Necessary fixes as the preparation for using driver on ARM64.
> >> 3. Use new MCFG interface and implement generic ACPI based PCI host
> >> controller driver.
> >> 4. Enable above driver on ARM64
> >>
> >> Patches has been built on top of 4.6-rc7 and can be found here:
> >> git@xxxxxxxxxx:semihalf-nowicki-tomasz/linux.git (pci-acpi-v7)
> >>
> >> This has been tested on Cavium ThunderX server. Any help in
> reviewing
> >> and
> >> testing is very appreciated.
> >>
> >> v6 -> v7
> >> - drop quirks handling
> >
> > Maybe I missed something in the v6 discussion thread; when was it
> > decided to drop quirk handling?
> 
> I had such requests in previous series.
> 
> >
> > I think it is important to have this in place to accommodate
> different
> > vendors. If the intention is to keep this patchset "clean" maybe
> > we can add it as a separate patch on top later on...
> >
> > What's your view?
> 
> Yes, keeping these things separated should help in review. Obviously I
> agree that we need quirk handling but currently there is no
> implementation which we all agree upon. For the test, you can use quirk
> handling approach from the previous series until we sort out final
> solution.

Great

This explains perfectly

We will apply previous series quirks and try to test the patchset
from Huawei side

Many Thanks

Gab

> 
> Thanks,
> Tomasz
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