linux-kernel - Re: [RFC PATCH] iommu: add ARM short descriptor page table allocator.

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Message-ID: <1431408637.31603.4.camel@mhfsdcap03>
Date:	Tue, 12 May 2015 13:30:37 +0800
From:	Yong Wu <yong.wu@...iatek.com>
To:	Will Deacon <will.deacon@....com>, Joerg Roedel <joro@...tes.org>
CC:	Joerg Roedel <joro@...tes.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Robin Murphy <Robin.Murphy@....com>,
	Tomasz Figa <tfiga@...gle.com>,
	Lucas Stach <l.stach@...gutronix.de>,
	"linux-mediatek@...ts.infradead.org" 
	<linux-mediatek@...ts.infradead.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	"srv_heupstream@...iatek.com" <srv_heupstream@...iatek.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>
Subject: Re: [RFC PATCH] iommu: add ARM short descriptor page table
 allocator.

On Mon, 2015-05-11 at 11:40 +0100, Will Deacon wrote:
> On Mon, May 11, 2015 at 11:13:09AM +0100, Joerg Roedel wrote:
> > On Tue, May 05, 2015 at 06:05:41PM +0100, Will Deacon wrote:
> > > I think the MT8173 IOMMU [1] uses this format and, since it's part of
> > > the ARM architecture, the ARM SMMU can make use of it too if the
> > > implementation supports it.
> > 
> > I think it makes more sense to merge this with a driver actually using
> > it. I guess a driver for the above mentioned IOMMU will be submitted
> > soon?
> 
> I completely agree; since there are already patches floating around for
> that IOMMU, it's probably worth them being put into a single series.
> 
> Will
Hi Joerg, Will, 
     Thanks. We will put this into the mtk-iommu patch series and
prepare to send in this week.


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