[PATCHv7 3/3] iommu: arm-smmu-impl: Add sdm845 implementation hook

2019-09-20 Thread Sai Prakash Ranjan
From: Vivek Gautam Add reset hook for sdm845 based platforms to turn off the wait-for-safe sequence. Understanding how wait-for-safe logic affects USB and UFS performance on MTP845 and DB845 boards: Qcom's implementation of arm,mmu-500 adds a WAIT-FOR-SAFE logic to address under-performance iss

Re: [PATCHv7 3/3] iommu: arm-smmu-impl: Add sdm845 implementation hook

2019-09-20 Thread Stephen Boyd
Quoting Sai Prakash Ranjan (2019-09-20 01:04:29) > From: Vivek Gautam > > Add reset hook for sdm845 based platforms to turn off > the wait-for-safe sequence. > > Understanding how wait-for-safe logic affects USB and UFS performance > on MTP845 and DB845 boards: > > Qcom's implementation of arm,

Re: [PATCHv7 3/3] iommu: arm-smmu-impl: Add sdm845 implementation hook

2019-10-04 Thread Bjorn Andersson
On Fri 20 Sep 01:04 PDT 2019, Sai Prakash Ranjan wrote: > From: Vivek Gautam > > Add reset hook for sdm845 based platforms to turn off > the wait-for-safe sequence. > > Understanding how wait-for-safe logic affects USB and UFS performance > on MTP845 and DB845 boards: > > Qcom's implementation