Messages in this thread | | | Subject | Re: [PATCH v7 1/3] iommu/arm-smmu: add NVIDIA implementation for dual ARM MMU-500 usage | From | Jon Hunter <> | Date | Tue, 30 Jun 2020 11:23:30 +0100 |
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On 29/06/2020 23:49, Krishna Reddy wrote: >>> + if (!nvidia_smmu->bases[0]) >>> + nvidia_smmu->bases[0] = smmu->base; >>> + >>> + return nvidia_smmu->bases[inst] + (page << smmu->pgshift); } > >> Not critical -- just a nit: why not put the bases[0] in init()? > > smmu->base is not available during nvidia_smmu_impl_init() call. It is set afterwards in arm-smmu.c. > It can't be avoided without changing the devm_ioremap() and impl_init() call order in arm-smmu.c.
Why don't we move the call to devm_ioremap_resource() to before arm_smmu_impl_init() in arm_smmu_device_probe()? From a quick look I don't see why we cannot do this and seems better than what we are currently doing which is quite confusing and hard to understand.
Jon
-- nvpublic
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