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

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Message-ID: <20170512102459.GF26181@arm.com>
Date:   Fri, 12 May 2017 11:24:59 +0100
From:   Will Deacon <will.deacon@....com>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:     Geetha sowjanya <gakula@...iumnetworks.com>,
        Lv Zheng <lv.zheng@...el.com>,
        Robert Moore <robert.moore@...el.com>, robin.murphy@....com,
        lorenzo.pieralisi@....com, hanjun.guo@...aro.org,
        sudeep.holla@....com, iommu@...ts.linux-foundation.org,
        jcm@...hat.com, linux-kernel@...r.kernel.org,
        robert.richter@...ium.com, catalin.marinas@....com,
        sgoutham@...ium.com, linux-arm-kernel@...ts.infradead.org,
        linux-acpi@...r.kernel.org, geethasowjanya.akula@...il.com,
        linu.cherian@...ium.com, Charles.Garcia-Tobin@....com,
        Geetha Sowjanya <geethasowjanya.akula@...ium.com>
Subject: Re: [v5 1/4] ACPICA: IORT: Add Cavium ThunderX2 SMMUv3 model
 definition.

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