RE: [RFC PATCH 3/4] iommu/arm-smmu: Add support for specifying clocks

2015-07-24 Thread Sricharan
nux-foundation.org; > devicet...@vger.kernel.org; linux-arm-...@vger.kernel.org; > mitch...@codeaurora.org > Subject: Re: [RFC PATCH 3/4] iommu/arm-smmu: Add support for specifying > clocks > > On Fri, Jul 17, 2015 at 05:53:24PM +0100, Sricharan R wrote: > > From: Mitchel Humpherys

Re: [RFC PATCH 3/4] iommu/arm-smmu: Add support for specifying clocks

2015-07-21 Thread Will Deacon
On Fri, Jul 17, 2015 at 05:53:24PM +0100, Sricharan R wrote: > From: Mitchel Humpherys > > On some platforms with tight power constraints it is polite to only > leave your clocks on for as long as you absolutely need them. Currently > we assume that all clocks necessary for SMMU register access a