linux-kernel - Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller

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Date:   Tue, 6 Dec 2016 14:18:35 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Jon Masters <jcm@...hat.com>
Cc:     Duc Dang <dhdang@....com>, Mark Salter <msalter@...hat.com>,
        Rafael Wysocki <rafael@...nel.org>,
        Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
        Arnd Bergmann <arnd@...db.de>, linux-pci@...r.kernel.org,
        linux-arm <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Tomasz Nowicki <tn@...ihalf.com>, patches <patches@....com>
Subject: Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe
 controller

On Tue, Dec 06, 2016 at 02:46:00PM -0500, Jon Masters wrote:
> On 12/05/2016 04:21 PM, Bjorn Helgaas wrote:
> > On Fri, Dec 02, 2016 at 07:33:46PM -0500, Jon Masters wrote:
> 
> >>> Even without this patch, I don't think it's a show-stopper to have
> >>> Linux mistakenly thinking this region is routed to PCI, because the
> >>> driver does reserve it and the PCI core will never try to use it.
> >>
> >> Ok. So are you happy with pulling in Duc's v4 patch and retaining
> >> status quo on the bridge resources for 4.10?
> > 
> > Yes, I think it looks good.  I'll finish packaging things up and
> > repost the current series.
> 
> Ok, great. So you're still pretty confident we'll have "out of the box"
> booting on these machines for 4.10? :)

I just merged pci/ecam into my "next" branch, so as long as tomorrow's
linux-next boots out of the box, we should be set.  I made the following
changes compared to v11:

  - dropped the x86 change to use acpi_resource_consumer()
  - added parens around macro args used in arithmetic expressions
  - renamed "seg" to "node" in THUNDER_PEM_RES and THUNDER_PEM_QUIRK
  - incorporated (u64) cast and dropped "UL" postfix for THUNDER_PEM_QUIRK

Let me know if you see any issues.

Bjorn