linux-kernel - Re: [PATCH v6 00/16] ACPI IORT ARM SMMU support

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Message-ID: <20161027165150.GA18680@red-moon>
Date:   Thu, 27 Oct 2016 17:51:50 +0100
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     "open list:AMD IOMMU (AMD-VI)" <iommu@...ts.linux-foundation.org>,
        Will Deacon <will.deacon@....com>,
        Marc Zyngier <marc.zyngier@....com>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Tomasz Nowicki <tn@...ihalf.com>,
        Hanjun Guo <hanjun.guo@...aro.org>,
        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>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux PCI <linux-pci@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v6 00/16] ACPI IORT ARM SMMU support

On Thu, Oct 27, 2016 at 12:24:48PM +0200, Rafael J. Wysocki wrote:
> On Wed, Oct 26, 2016 at 1:04 PM, Lorenzo Pieralisi
> <lorenzo.pieralisi@....com> wrote:
> > Rafael, Joerg (and anyone else CC'ed),
> >
> > On Tue, Oct 18, 2016 at 05:03:58PM +0100, Lorenzo Pieralisi wrote:
> >> This patch series is v6 of a previous posting:
> >>
> >> https://lkml.org/lkml/2016/9/9/418
> >>
> >> v5 -> v6
> >>       - Rebased against v4.9-rc1
> >>       - Changed FWNODE_IOMMU to FWNODE_ACPI_STATIC
> >>       - Moved platform devices creation into IORT code
> >>       - Updated fwnode handling
> >>       - Added default dma masks initialization
> >
> > Any comments on v6 ? Patches touching generic ACPI code
> > are {1, 2, 7}, patch 4 updates the IOMMU of_iommu_{set/get}_ops()
> > API to make it work on ACPI systems too, by replacing the
> > device_node with a fwnode_handle pointer as look-up token;
> > the remainder of patches are ARM specific and creates the
> > infrastructure to probe ARM SMMU devices through ACPI,
> > ARM IORT table in particular. Given the generic bits changes
> > above I would not leave it to late -rc to reach an agreement
> > please, thank you.
> 
> I'll do my best to look at these in the next few days, but please also
> note what I wrote before:
> 
> http://marc.info/?l=linux-acpi&m=147744344531599&w=2

Thanks, understood, I asked because if I have to respin it I'd like
to do it asap and the generic ACPI patches are simple but fundamental
to the series, anyway I think it is something we can manage next week
at LPC.

Thanks !
Lorenzo