Re: [PATCH 0/6] iommu/arm-smmu: misc features, new DT bindings

2014-08-15 Thread Will Deacon
On Wed, Aug 13, 2014 at 06:22:32PM +0100, Mitchel Humpherys wrote: > On Tue, Aug 12 2014 at 05:51:33 PM, Mitchel Humpherys > wrote: > > This series is based on on Will's iommu/pci branch. > > Incredibly, I also neglected to base this on top of Olav's recent patch > ("iommu/arm-smmu: Do not acces

Re: [PATCH v5] devicetree: Add generic IOMMU device tree bindings

2014-08-15 Thread Will Deacon
On Fri, Aug 15, 2014 at 01:29:41PM +0100, Hiroshi Doyu wrote: > Will Deacon writes: > > I think there's some confusion here. The ARM architected SMMU does not > > perform any StreamID translation -- it sees an incoming ID and uses that to > > lookup a set of translation tables. However, for hotplu

Re: [PATCH v5] devicetree: Add generic IOMMU device tree bindings

2014-08-15 Thread Hiroshi Doyu
Will Deacon writes: > On Thu, Aug 14, 2014 at 07:47:42AM +0100, Hiroshi Doyu wrote: >> Thierry Reding writes: >> >> > +Multiple-master IOMMU: >> > +-- >> > + >> > + iommu { >> > + /* the specifier represents the ID of the master */ >> > + #

Re: [PATCH v5] devicetree: Add generic IOMMU device tree bindings

2014-08-15 Thread Will Deacon
On Thu, Aug 14, 2014 at 07:47:42AM +0100, Hiroshi Doyu wrote: > Thierry Reding writes: > > > +Multiple-master IOMMU: > > +-- > > + > > + iommu { > > + /* the specifier represents the ID of the master */ > > + #iommu-cells = <1>; > > + };