linux-kernel - Re: [v5 1/4] ACPICA: IORT: Add Cavium ThunderX2 SMMUv3 model definition.

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Date:   Fri, 12 May 2017 17:21:59 +0530
From:   Geetha Akula <geethasowjanya.akula@...il.com>
To:     Will Deacon <will.deacon@....com>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Geetha sowjanya <gakula@...iumnetworks.com>,
        Lv Zheng <lv.zheng@...el.com>,
        Robert Moore <robert.moore@...el.com>,
        Robin Murphy <robin.murphy@....com>, lorenzo.pieralisi@....com,
        Hanjun Guo <hanjun.guo@...aro.org>, sudeep.holla@....com,
        iommu@...ts.linux-foundation.org, jcm@...hat.com,
        linux-kernel@...r.kernel.org,
        Robert Richter <robert.richter@...ium.com>,
        catalin.marinas@....com, Sunil Goutham <sgoutham@...ium.com>,
        linux-arm-kernel@...ts.infradead.org, linux-acpi@...r.kernel.org,
        Linu Cherian <linu.cherian@...ium.com>,
        Charles Garcia-Tobin <Charles.Garcia-Tobin@....com>,
        Geetha Sowjanya <geethasowjanya.akula@...ium.com>
Subject: Re: [v5 1/4] ACPICA: IORT: Add Cavium ThunderX2 SMMUv3 model definition.

On Fri, May 12, 2017 at 3:54 PM, Will Deacon <will.deacon@....com> wrote:
> On Thu, May 11, 2017 at 04:40:51PM +0200, Rafael J. Wysocki wrote:
>> On Thursday, May 11, 2017 09:45:25 AM Will Deacon wrote:
>> > On Thu, May 11, 2017 at 02:26:02AM +0200, Rafael J. Wysocki wrote:
>> > > On Wednesday, May 10, 2017 05:01:55 PM Geetha sowjanya wrote:
>> > > > From: Linu Cherian <linu.cherian@...ium.com>
>> > > >
>> > > > Add SMMUv3 model definition for ThunderX2.
>> > > >
>> > > > Signed-off-by: Linu Cherian <linu.cherian@...ium.com>
>> > > > Signed-off-by: Geetha Sowjanya <geethasowjanya.akula@...ium.com>
>> > >
>> > > This is an ACPICA change, but you have not included the ACPICA maintainers
>> > > into your original CC list (added now).
>> > >
>> > > Bob, Lv, how should this be routed?
>> > >
>> > > Do you want to apply this patch upstream first or can we make this change in
>> > > Linux and upstream in parallel?  That shouldn't be a big deal, right?
>> >
>> > I think we're still waiting for the updated IORT document to be published (I
>> > think this should be in the next week or so), so I don't think we should
>> > commit the new ID before that happens.
>>
>> OK, thanks for the heads-up.
>>
>> I think it's better to submit the actbl2.h update directly to ACPICA
>> upstream when the doc is published and then work on top of that.
>
> The doc is now published:
>
> http://infocenter.arm.com/help/topic/com.arm.doc.den0049c/DEN0049C_IO_Remapping_Table.pdf
>
> so the new model numbers are confirmed.
>
> Cheers,
>
> Will

Thanks Will.

Will resubmit the patches based on Robin's latest patch "acpica: iort:
Update SMMU models for IORT rev. C",
as there is a miss match in the macro name used to define ThunderX2
iort model number.
https://lkml.org/lkml/2017/5/12/211



Thank you,
Geetha.