linux-kernel - Re: [PATCH v2] PCI: al: Add Amazon Annapurna Labs PCIe host controller driver

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Date:   Wed, 27 Mar 2019 12:01:23 +0000
From:   David Woodhouse <dwmw2@...radead.org>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc:     Jonathan Chocron <jonnyc@...zon.com>, linux-pci@...r.kernel.org,
        bhelgaas@...gle.com, linux-kernel@...r.kernel.org,
        vaerov@...zon.com, benh@...nel.crashing.org, alisaidi@...zon.com,
        zeev@...zon.com, ronenk@...zon.com, barakw@...zon.com,
        Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
        Zhou Wang <wangzhou1@...ilicon.com>
Subject: Re: [PATCH v2] PCI: al: Add Amazon Annapurna Labs PCIe host
 controller driver

On Wed, 2019-03-27 at 11:39 +0000, Lorenzo Pieralisi wrote:
> I just want to keep MCFG ECAM quirks as simple as possible, code as it
> stands is horrible enough and I wish I could remove the mechanism in
> the future rather than adding more to it, hopefully we are getting
> there.

Obviously I cannot talk about future hardware or even admit that there
is such as thing as "future hardware".

But all the issues with the DW controller *have* already been worked
around by different implementations, in different combinations. And I
will be very sad if *we* somehow manage to make a new board which needs
a new and different combination of quirks.

Actively, percussively, sad.


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