linux-kernel - Re: [PATCH v7 04/16] drivers: iommu: make of_iommu_set/get

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Date:   Tue, 29 Nov 2016 17:06:40 +0000
From:   Will Deacon <will.deacon@....com>
To:     Joerg Roedel <joro@...tes.org>
Cc:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Robin Murphy <robin.murphy@....com>,
        iommu@...ts.linux-foundation.org,
        Hanjun Guo <hanjun.guo@...aro.org>,
        Marc Zyngier <marc.zyngier@....com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Tomasz Nowicki <tn@...ihalf.com>, Jon Masters <jcm@...hat.com>,
        Eric Auger <eric.auger@...hat.com>,
        Sinan Kaya <okaya@...eaurora.org>,
        Nate Watterson <nwatters@...eaurora.org>,
        Prem Mallappa <prem.mallappa@...adcom.com>,
        Dennis Chen <dennis.chen@....com>, linux-acpi@...r.kernel.org,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v7 04/16] drivers: iommu: make of_iommu_set/get_ops() DT
 agnostic

On Tue, Nov 29, 2016 at 05:05:49PM +0100, Joerg Roedel wrote:
> On Wed, Nov 16, 2016 at 09:56:15AM +0000, Lorenzo Pieralisi wrote:
> > I can easily make the changes Robin suggests above, I need to know
> > what to do with this patch it is the last blocking point for this
> > series and time is running out I can revert to using dev->bus to
> > retrieve iommu_ops (even though I do not think it makes sense given
> > what Robin outlines below) but I need to know please, we can't gate
> > an entire series for this patch that is just syntactic sugar.
> 
> Well, I didn't really object to the approach per-se, I just wanted to
> know the rationale behind the need for the iommu-ops pointer. So through
> which tree should this series be merged?

I was just about to send a pull request to you, since it conflicts with
my ARM SMMU patches and the PCI/ACPI bits are acked by Rafael and Bjorn.

My for-joerg/arm-smmu/updates is ready to go; just need to write the
pull request.

Will