linux-kernel - Re: [PATCH V3 00/21] MMCONFIG refactoring and support for ARM64 PCI hostbridge init based on ACPI

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Date:	Mon, 18 Jan 2016 22:37:48 +0800
From:	Hanjun Guo <hanjun.guo@...aro.org>
To:	Tomasz Nowicki <tn@...ihalf.com>, bhelgaas@...gle.com,
	arnd@...db.de, will.deacon@....com, catalin.marinas@....com,
	rjw@...ysocki.net, Lorenzo.Pieralisi@....com, okaya@...eaurora.org,
	jiang.liu@...ux.intel.com, Stefano.Stabellini@...citrix.com
Cc:	robert.richter@...iumnetworks.com, mw@...ihalf.com,
	Liviu.Dudau@....com, ddaney@...iumnetworks.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,
	jchandra@...adcom.com, jcm@...hat.com
Subject: Re: [PATCH V3 00/21] MMCONFIG refactoring and support for ARM64 PCI
 hostbridge init based on ACPI

On 2016/1/15 19:00, Hanjun Guo wrote:
> On 2016/1/13 21:20, Tomasz Nowicki wrote:
>>  From the functionality point of view this series might be split into the
>> following logic parts:
>> 1. Make MMCONFIG code arch-agnostic which allows all architectures to
>> collect
>>     PCI config regions and used when necessary.
>> 2. Move non-arch specific bits to the core code.
>> 3. Use MMCONFIG code and implement generic ACPI based PCI host
>> controller driver.
>> 4. Enable above driver on ARM64
>>
>> Patches has been built on top of 4.4 and can be found here:
>> git@...hub.com:semihalf-nowicki-tomasz/linux.git (pci-acpi-v3)
>>
>> NOTE, this patch set depends on Matthew's patches:
>> http://www.spinics.net/lists/linux-pci/msg45950.html
>> https://github.com/Vality/linux/tree/pci-fixes
>>
>> This has been tested on Cavium ThunderX server and QEMU.
>> Any help in reviewing and testing is very appreciated.
>>
>> v2 -> v3
>> - fix legacy IRQ assigning and IO ports registration
>> - remove reference to arch specific companion device for ia64
>> - move ACPI PCI host controller driver to pci_root.c
>> - drop generic domain assignment for x86 and ia64 as I am not
>>    able to run all necessary test variants
>> - drop patch which cleaned legacy IRQ assignment since it belongs to
>>    Mathew's series:
>>    https://patchwork.ozlabs.org/patch/557504/
>> - extend MCFG quirk code
>> - rebased to 4.4
>
> Tested this patch set (and Matthew's) on a HP RX2660 IA64 machine,
> with the CONFIG_ACPI_PCI_HOST_GENERIC disabled on IA64 ( it's a minor
> comment needs to be addressed in my previous email), it can boot
> the system ok with NIC working properly, with the /pro/ioports [1] and
> the boot log [2] if anyone needs refer to it.
>
> For this patch set, on IA64 machine,
>
> Tested-by: Hanjun Guo <hanjun.guo@...aro.org>

I tested this patch set on x86 server with CONFIG_ACPI_PCI_HOST_GENERIC
disabled today, also booted ok with NIC working properly.

Thanks
Hanjun