[PATCH v3 0/5] iommu/arm-smmu: add support for non-pci devices

Will Deacon will.deacon at arm.com
Wed Aug 5 03:45:24 PDT 2015


On Tue, Aug 04, 2015 at 11:50:45PM +0100, Laurent Pinchart wrote:
> Hi Will,

Hi Laurent,

> On Tuesday 28 July 2015 13:48:47 Will Deacon wrote:
> > On Tue, Jul 21, 2015 at 11:30:07AM +0100, Robin Murphy wrote:
> > > On 21/07/15 08:30, Zhen Lei wrote:
> > > > Changelog:
> > > > v2 -> v3:
> > > > 1. add support for pci device hotplug, which missed in patch v2.
> > > > 2. only support #iommu-cells = <1>, add corresponding description in
> > > > arm,smmu-v3.txt. 3. add function find_smmu_by_device which extracted
> > > > from find_smmu_by_node, to resolve> > 
> > > >     the problem mentioned by Robin Murphy in [PATCH v2 7/9].
> > > >     Additionally:
> > > >     +    platform_set_drvdata(pdev, smmu);       //Patch v2
> > > >     +	dev->archdata.iommu = smmu;             //Patch v3, dev =
> > > >     &pdev->dev
> > > 
> > > I didn't give any Reviewed-by tags, much less to revised patches that
> > > I've not even looked at yet; please see section 13 of
> > > Documentation/SubmittingPatches for what the Reviewed-by tag means.
> > 
> > That said, it would be great if you could review the patches anyway ;)
> > 
> > Also, it looks like this is all based on Laurent's IOMMU probe deferral
> > series which hasn't seen any movement for a while.
> > 
> > Laurent: are you planning to repost that, or is it worth us picking up
> > the original version and bashing it into shape ourselves?
> 
> I'd really appreciate if you could take it where I left it and get into shape 
> for upstream. I have no time to work on IOMMU at the moment I'm afraid :-( 

No problem at all. It will probably be Robin doing most of the hacking,
since he's the platform_device guy and I'm the PCI guy in the office at
the moment :)

I think he's also currently got a rebased version of your series with
some changes on top, so stay tuned.

> I'll try to review patches though.

That would certainly be appreciated, cheers!

Will



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