Re: [PATCH v6 2/6] iommu/arm-smmu: Add pm_runtime/sleep ops

2018-01-31 Thread Vivek Gautam
On 1/31/2018 5:53 PM, Robin Murphy wrote: On 19/01/18 11:43, Vivek Gautam wrote: From: Sricharan R The smmu needs to be functional only when the respective master's using it are active. The device_link feature helps to track such functional dependencies, so that the iommu gets powered when t

Re: [PATCH v6 2/6] iommu/arm-smmu: Add pm_runtime/sleep ops

2018-01-31 Thread Robin Murphy
On 19/01/18 11:43, Vivek Gautam wrote: From: Sricharan R The smmu needs to be functional only when the respective master's using it are active. The device_link feature helps to track such functional dependencies, so that the iommu gets powered when the master device enables itself using pm_runt

[PATCH v6 2/6] iommu/arm-smmu: Add pm_runtime/sleep ops

2018-01-19 Thread Vivek Gautam
From: Sricharan R The smmu needs to be functional only when the respective master's using it are active. The device_link feature helps to track such functional dependencies, so that the iommu gets powered when the master device enables itself using pm_runtime. So by adapting the smmu driver for r