Re: [RFC PATCH 1/1] iommu/arm-smmu: Add support for multiple TBU child devices

2017-09-27 Thread Vivek Gautam
Hi Rob, On 09/19/2017 07:40 PM, Rob Herring wrote: Thanks for reviewing the patch. On Tue, Sep 12, 2017 at 05:31:07PM +0530, Vivek Gautam wrote: ARM MMU-500 implements a TBU (uTLB) for each connected master besides a single TCU which controls and manages the address translations. Each of

Re: [RFC PATCH 1/1] iommu/arm-smmu: Add support for multiple TBU child devices

2017-09-19 Thread Rob Herring
On Tue, Sep 12, 2017 at 05:31:07PM +0530, Vivek Gautam wrote: > ARM MMU-500 implements a TBU (uTLB) for each connected master > besides a single TCU which controls and manages the address > translations. Each of these TBUs can either be in the same > power domain as the master, or they can have a

[RFC PATCH 1/1] iommu/arm-smmu: Add support for multiple TBU child devices

2017-09-12 Thread Vivek Gautam
ARM MMU-500 implements a TBU (uTLB) for each connected master besides a single TCU which controls and manages the address translations. Each of these TBUs can either be in the same power domain as the master, or they can have a independent power switch. This design addresses the challenges to