Re: [PATCH v3 3/3] iommu/arm-smmu-v3: Reserving the entire SMMU register space

2021-02-01 Thread Leizhen (ThunderTown)
On 2021/2/1 19:44, Robin Murphy wrote: > On 2021-01-30 01:54, Leizhen (ThunderTown) wrote: >> >> >> On 2021/1/29 23:27, Robin Murphy wrote: >>> On 2021-01-27 11:32, Zhen Lei wrote: commit 52f3fab0067d ("iommu/arm-smmu-v3: Don't reserve implementation defined register space") only

Re: [PATCH v3 3/3] iommu/arm-smmu-v3: Reserving the entire SMMU register space

2021-02-01 Thread Robin Murphy
On 2021-01-30 01:54, Leizhen (ThunderTown) wrote: On 2021/1/29 23:27, Robin Murphy wrote: On 2021-01-27 11:32, Zhen Lei wrote: commit 52f3fab0067d ("iommu/arm-smmu-v3: Don't reserve implementation defined register space") only reserves the basic SMMU register space. So the ECMDQ register

Re: [PATCH v3 3/3] iommu/arm-smmu-v3: Reserving the entire SMMU register space

2021-01-29 Thread Leizhen (ThunderTown)
On 2021/1/29 23:27, Robin Murphy wrote: > On 2021-01-27 11:32, Zhen Lei wrote: >> commit 52f3fab0067d ("iommu/arm-smmu-v3: Don't reserve implementation >> defined register space") only reserves the basic SMMU register space. So >> the ECMDQ register space is not covered, it should be mapped

Re: [PATCH v3 3/3] iommu/arm-smmu-v3: Reserving the entire SMMU register space

2021-01-29 Thread Robin Murphy
On 2021-01-27 11:32, Zhen Lei wrote: commit 52f3fab0067d ("iommu/arm-smmu-v3: Don't reserve implementation defined register space") only reserves the basic SMMU register space. So the ECMDQ register space is not covered, it should be mapped again. Due to the size of this ECMDQ resource is not