linux-kernel - Re: [PATCH V5 01/15] ACPI: MCFG: Move mmcfg

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Date:	Wed, 9 Mar 2016 10:14:53 +0100
From:	Tomasz Nowicki <tn@...ihalf.com>
To:	Bjorn Helgaas <helgaas@...nel.org>
Cc:	Jayachandran Chandrashekaran Nair 
	<jayachandran.chandrashekaran@...adcom.com>,
	Arnd Bergmann <arnd@...db.de>,
	Will Deacon <will.deacon@....com>,
	Catalin Marinas <catalin.marinas@....com>, rafael@...nel.org,
	Hanjun Guo <hanjun.guo@...aro.org>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	okaya@...eaurora.org, jiang.liu@...ux.intel.com,
	Jayachandran Chandrashekaran Nair <jchandra@...adcom.com>,
	Stefano Stabellini <Stefano.Stabellini@...citrix.com>,
	robert.richter@...iumnetworks.com, Marcin Wojtas <mw@...ihalf.com>,
	Liviu.Dudau@....com, David Daney <ddaney@...iumnetworks.com>,
	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,
	Jon Masters <jcm@...hat.com>
Subject: Re: [PATCH V5 01/15] ACPI: MCFG: Move mmcfg_list management to
 drivers/acpi

On 09.03.2016 10:13, Tomasz Nowicki wrote:
>> So I think we should write generic MCFG and ECAM support from scratch
>> for arm64.  Something like this:
>>
>>    - Add an acpi_mcfg_init(), maybe in drivers/acpi/pci_mcfg.c, to be
>>      called from acpi_init() to copy MCFG info to something we can
>>      access after __init.  This would not reserve resources, but
>>      probably does have to ioremap() the regions to support
>>      raw_pci_read().
>
> As said, ECAM and ACPI specific code was isolated in previous patch.

I meant to say, in my previous patch set (V4), sorry.

Tomasz