linux-kernel - Re: [PATCH V1 00/11] MMCONFIG refactoring and ARM64 PCI hostbridge init based on ACPI

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Message-ID: <20151216140556.GC22916@red-moon>
Date:	Wed, 16 Dec 2015 14:05:56 +0000
From:	Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:	"Jayachandran C." <jchandra@...adcom.com>, tn@...ihalf.com
Cc:	Bjorn Helgaas <helgaas@...nel.org>, bhelgaas@...gle.com,
	arnd@...db.de, rjw@...ysocki.net, hanjun.guo@...aro.org,
	jiang.liu@...ux.intel.com, ddaney@...iumnetworks.com,
	Liviu.Dudau@....com, tglx@...utronix.de, wangyijing@...wei.com,
	Suravee.Suthikulpanit@....com, msalter@...hat.com,
	linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linaro-acpi@...ts.linaro.org
Subject: Re: [PATCH V1 00/11] MMCONFIG refactoring and ARM64 PCI hostbridge
 init based on ACPI

On Wed, Dec 16, 2015 at 06:21:37PM +0530, Jayachandran C. wrote:

[...]

> > That list is there to manage hotplug bridges, what makes you think
> > it is not necessary ? Jiang (in CC) can certainly comment on that and
> > how that list handling can be updated/simplified, if possible.
> 
> Looking thru the code, I think moving the MCFG code to common can be
> done in a simpler way. I have posted a new patchset for this.
> (And I don't see how the hotplug case needs the list, but that is not
>  relevant now)

You must work with Tomasz and come up with a unified patchset that
implements ACPI PCIe support for ARM64. We do not need more churn, we
need a working set, period. Posting separate RFCs just adds to the
confusion and to maintainers' review backlog, with the end result of
confusing everyone and achieving nothing.

Lorenzo
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