Re: [PATCH 2/2] iommu/arm-smmu: Add support for non-coherent page table mappings

2019-01-29 Thread Vivek Gautam
Hi Will, On Tue, Jan 22, 2019 at 11:14 AM Will Deacon wrote: > > On Mon, Jan 21, 2019 at 11:35:30AM +0530, Vivek Gautam wrote: > > On Sun, Jan 20, 2019 at 5:31 AM Will Deacon wrote: > > > On Thu, Jan 17, 2019 at 02:57:18PM +0530, Vivek Gautam wrote: > > > > Adding a device tree option for arm

Re: [PATCH 2/2] iommu/arm-smmu: Add support for non-coherent page table mappings

2019-01-21 Thread Will Deacon
On Mon, Jan 21, 2019 at 11:35:30AM +0530, Vivek Gautam wrote: > On Sun, Jan 20, 2019 at 5:31 AM Will Deacon wrote: > > On Thu, Jan 17, 2019 at 02:57:18PM +0530, Vivek Gautam wrote: > > > Adding a device tree option for arm smmu to enable non-cacheable > > > memory for page tables. > > > We

Re: [PATCH 2/2] iommu/arm-smmu: Add support for non-coherent page table mappings

2019-01-20 Thread Vivek Gautam
Hi Will, On Sun, Jan 20, 2019 at 5:31 AM Will Deacon wrote: > > On Thu, Jan 17, 2019 at 02:57:18PM +0530, Vivek Gautam wrote: > > Adding a device tree option for arm smmu to enable non-cacheable > > memory for page tables. > > We already enable a smmu feature for coherent walk based on > >

Re: [PATCH 2/2] iommu/arm-smmu: Add support for non-coherent page table mappings

2019-01-19 Thread Will Deacon
On Thu, Jan 17, 2019 at 02:57:18PM +0530, Vivek Gautam wrote: > Adding a device tree option for arm smmu to enable non-cacheable > memory for page tables. > We already enable a smmu feature for coherent walk based on > whether the smmu device is dma-coherent or not. Have an option > to enable