Re: [PATCH v4 13/24] iommu/mediatek: Add device link for smi-common and m4u

2020-11-11 Thread Yong Wu
On Thu, 2020-11-12 at 09:10 +0800, Nicolas Boichat wrote: > On Wed, Nov 11, 2020 at 8:40 PM Yong Wu wrote: > > > > In the lastest SoC, M4U has its special power domain. thus, If the engine > > begin to work, it should help enable the power for M4U firstly. > > Currently if the engine work, it

Re: [PATCH v4 13/24] iommu/mediatek: Add device link for smi-common and m4u

2020-11-11 Thread Nicolas Boichat
On Wed, Nov 11, 2020 at 8:40 PM Yong Wu wrote: > > In the lastest SoC, M4U has its special power domain. thus, If the engine > begin to work, it should help enable the power for M4U firstly. > Currently if the engine work, it always enable the power/clocks for > smi-larbs/smi-common. This patch

[PATCH v4 13/24] iommu/mediatek: Add device link for smi-common and m4u

2020-11-11 Thread Yong Wu
In the lastest SoC, M4U has its special power domain. thus, If the engine begin to work, it should help enable the power for M4U firstly. Currently if the engine work, it always enable the power/clocks for smi-larbs/smi-common. This patch adds device_link for smi-common and M4U. then, if