RE: RFC: extend iommu-map binding to support #iommu-cells > 1

2016-12-16 Thread Stuart Yoder
> <bharat.bhus...@nxp.com>; Nipun Gupta > <nipun.gu...@nxp.com>; Diana Madalina Craciun <diana.crac...@nxp.com>; > devicet...@vger.kernel.org; > iommu@lists.linux-foundation.org > Subject: Re: RFC: extend iommu-map binding to support #iommu-cells > 1 > >

Re: RFC: extend iommu-map binding to support #iommu-cells > 1

2016-12-16 Thread Robin Murphy
On 16/12/16 15:56, Stuart Yoder wrote: > The existing iommu-map binding did not account for the situation where > #iommu-cells == 2, as permitted in the ARM SMMU binding. The 2nd cell > of the IOMMU specifier being the SMR mask. The existing binding defines > the mapping as:

RE: RFC: extend iommu-map binding to support #iommu-cells > 1

2016-12-16 Thread Stuart Yoder
> >>> The existing iommu-map binding did not account for the situation where > >>> #iommu-cells == 2, as permitted in the ARM SMMU binding. The 2nd cell > >>> of the IOMMU specifier being the SMR mask. The existing binding defines > >>> the mapping as: > >>>Any RID r in the interval

RE: RFC: extend iommu-map binding to support #iommu-cells > 1

2016-12-16 Thread Bharat Bhushan
shan > <bharat.bhus...@nxp.com>; Nipun Gupta <nipun.gu...@nxp.com>; Diana > Madalina Craciun <diana.crac...@nxp.com>; devicet...@vger.kernel.org; > iommu@lists.linux-foundation.org > Subject: Re: RFC: extend iommu-map binding to support #iommu-cells > 1 > > On 1

RE: RFC: extend iommu-map binding to support #iommu-cells > 1

2016-12-16 Thread Stuart Yoder
upta <nipun.gu...@nxp.com>; Diana Madalina > Craciun > <diana.crac...@nxp.com>; devicet...@vger.kernel.org; > iommu@lists.linux-foundation.org > Subject: RE: RFC: extend iommu-map binding to support #iommu-cells > 1 > > > > > -Original Message- >

Re: RFC: extend iommu-map binding to support #iommu-cells > 1

2016-12-16 Thread Robin Murphy
dea...@arm.com; robh...@kernel.org; Bharat >> Bhushan >> <bharat.bhus...@nxp.com>; Nipun Gupta <nipun.gu...@nxp.com>; Diana Madalina >> Craciun >> <diana.crac...@nxp.com>; devicet...@vger.kernel.org; >> iommu@lists.linux-foundation.org >> Subject: R

Re: RFC: extend iommu-map binding to support #iommu-cells > 1

2016-12-16 Thread Mark Rutland
On Fri, Dec 16, 2016 at 02:36:57AM +, Stuart Yoder wrote: > For context, please see the thread: > https://www.spinics.net/lists/arm-kernel/msg539066.html > > The existing iommu-map binding did not account for the situation where > #iommu-cells == 2, as permitted in the ARM SMMU binding. The

Re: RFC: extend iommu-map binding to support #iommu-cells > 1

2016-12-16 Thread Robin Murphy
On 16/12/16 02:36, Stuart Yoder wrote: > For context, please see the thread: > https://www.spinics.net/lists/arm-kernel/msg539066.html > > The existing iommu-map binding did not account for the situation where > #iommu-cells == 2, as permitted in the ARM SMMU binding. The 2nd cell > of the IOMMU

RE: RFC: extend iommu-map binding to support #iommu-cells > 1

2016-12-15 Thread Bharat Bhushan
> -Original Message- > From: Stuart Yoder > Sent: Friday, December 16, 2016 8:07 AM > To: Mark Rutland ; robin.mur...@arm.com; > will.dea...@arm.com > Cc: robh...@kernel.org; Bharat Bhushan ; > Nipun Gupta ; Diana