Re: [PATCH v7 13/14] iommu/rockchip: Add runtime PM support

On Tue, Mar 6, 2018 at 7:07 PM, Tomasz Figa wrote: > Hi Jeffy, > > It looks like I missed some details of how runtime PM enable works > before, so we might be able to simplify things. Sorry for not getting > things right earlier. > > On Tue, Mar 6, 2018 at 12:27 PM, Jeffy Chen

Re: [PATCH v7 13/14] iommu/rockchip: Add runtime PM support

Hi Tomasz, Thanks for your reply. On 03/06/2018 06:07 PM, Tomasz Figa wrote: Hi Jeffy, It looks like I missed some details of how runtime PM enable works before, so we might be able to simplify things. Sorry for not getting things right earlier hmm, right, the enable state should be the

Re: [PATCH v7 13/14] iommu/rockchip: Add runtime PM support

Hi Jeffy, It looks like I missed some details of how runtime PM enable works before, so we might be able to simplify things. Sorry for not getting things right earlier. On Tue, Mar 6, 2018 at 12:27 PM, Jeffy Chen wrote: > When the power domain is powered off, the

[PATCH v7 13/14] iommu/rockchip: Add runtime PM support

When the power domain is powered off, the IOMMU cannot be accessed and register programming must be deferred until the power domain becomes enabled. Add runtime PM support, and use runtime PM device link from IOMMU to master to startup and shutdown IOMMU. Signed-off-by: Jeffy Chen