linux-kernel - Re: [PATCH v10 00/21] Introduce ACPI for ARM64 based on ACPI 5.1

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Message-ID: <20150318190509.GM10863@arm.com>
Date:	Wed, 18 Mar 2015 19:05:09 +0000
From:	Will Deacon <will.deacon@....com>
To:	Hanjun Guo <hanjun.guo@...aro.org>
Cc:	Catalin Marinas <Catalin.Marinas@....com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Olof Johansson <olof@...om.net>,
	"grant.likely@...aro.org" <grant.likely@...aro.org>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Mark Rutland <Mark.Rutland@....com>,
	"graeme.gregory@...aro.org" <graeme.gregory@...aro.org>,
	Sudeep Holla <Sudeep.Holla@....com>,
	"jcm@...hat.com" <jcm@...hat.com>,
	Marc Zyngier <Marc.Zyngier@....com>,
	Mark Brown <broonie@...nel.org>,
	Robert Richter <rric@...nel.org>,
	Timur Tabi <timur@...eaurora.org>,
	Ashwin Chaugule <ashwinc@...eaurora.org>,
	"suravee.suthikulpanit@....com" <suravee.suthikulpanit@....com>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linaro-acpi@...ts.linaro.org" <linaro-acpi@...ts.linaro.org>
Subject: Re: [PATCH v10 00/21] Introduce ACPI for ARM64 based on ACPI 5.1

Hanjun,

On Wed, Mar 11, 2015 at 12:39:26PM +0000, Hanjun Guo wrote:
> This patch set already tested on multi platforms:
>  - AMD Seattle board;
>  - Cavium Thunder board;
>  - Huawei D02 board;
>  - Qualcomm ARM64 platform
> 
> This version 10 patch set address some minor comments and collect ACKs and
> Reviewed-bys for v9:
> 
>  - new Acks from Rafael, Olof, Grant, Lorenzo
>  - new way to handle typdef phys_cpuid_t which suggested by Rafael,
>    but no functional change
>  - Remove if(!phys) for early ioremappings
>  - Rework sleep function for ARM64
>  - Introduce linux/acpi_irq.h to hold acpi_irq_init()
>  - Disable ACPI if not HW_REDUCED_ACPI compliant
>  - Remove the doc of why ACPI on ARM

So I've had a look at the current state of this series and I think there
are a few immediate things left to do:

  (1) Resolve the acpi=force cmdline issue highlighted by Lorenzo and
      Catalin

  (2) I believe Sudeep and Lorenzo have concerns about patch 13 (SMP init),
      so I'm assuming there will be additional patches from them that are
      required.

  (3) I have an open comment about moving the IRQ domain code into the
      core, which I'd like to see addressed.

  (4) We need an ack from Daniel on the arch-timer patch

If you can get that in place, I'm not opposed to putting this into
linux-next ahead of the firmware summit in San Jose next week. Note that
this is not a commitment for 4.1, since I'm keen to see the outcomes of
next week before setting anything in stone.

Also, there's no need to repost patches if you're just adding Acks. I
think I'm up to speed with those on my local branch and the Tested-by
party is starting to look a little silly.

Will
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