linux-kernel - Re: [PATCH V6 0/5] ECAM quirks handling for ARM64 platforms

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Message-ID: <304377c6-554d-60ea-30df-006e557c7279@codeaurora.org>
Date:   Wed, 21 Sep 2016 18:40:47 -0400
From:   Christopher Covington <cov@...eaurora.org>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     Tomasz Nowicki <tn@...ihalf.com>, will.deacon@....com,
        catalin.marinas@....com, rafael@...nel.org,
        Lorenzo.Pieralisi@....com, arnd@...db.de, hanjun.guo@...aro.org,
        okaya@...eaurora.org, jchandra@...adcom.com, dhdang@....com,
        ard.biesheuvel@...aro.org, robert.richter@...iumnetworks.com,
        mw@...ihalf.com, Liviu.Dudau@....com, ddaney@...iumnetworks.com,
        wangyijing@...wei.com, msalter@...hat.com,
        linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linaro-acpi@...ts.linaro.org, jcm@...hat.com,
        andrea.gallo@...aro.org, jeremy.linton@....com,
        liudongdong3@...wei.com, gabriele.paoloni@...wei.com,
        jhugo@...eaurora.org, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V6 0/5] ECAM quirks handling for ARM64 platforms

Hi Bjorn,

On 09/21/2016 09:11 AM, Bjorn Helgaas wrote:
> On Tue, Sep 20, 2016 at 09:15:14PM -0400, cov@...eaurora.org wrote:

>>> diff --git a/drivers/acpi/pci_mcfg.c b/drivers/acpi/pci_mcfg.c
>>> index eb14f74..bb3b8ad 100644
>>> --- a/drivers/acpi/pci_mcfg.c
>>> +++ b/drivers/acpi/pci_mcfg.c
>>> @@ -42,86 +42,59 @@ struct mcfg_fixup {
>>> 	struct resource cfgres;
>>> };
>>>
>>> -#define MCFG_DOM_ANY			(-1)
>>
>> Did you delete this because there were no current users, because you'd
>> prefer users just use "-1", or for some other reason?
> 
> I removed it because there were no users of it and, more importantly,
> the code doesn't implement support for it.

It looks like a stale "First match against PCI topology <domain:bus>..."
comment remains.

Thanks,
Cov

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