Re: [PATCH 2/4] iommu/exynos: Check if SysMMU v7 has VM registers

2022-07-09 Thread Sam Protsenko
On Sun, 3 Jul 2022 at 22:10, Krzysztof Kozlowski wrote: > > On 02/07/2022 23:37, Sam Protsenko wrote: > > SysMMU v7 can have Virtual Machine registers, which implement multiple > > translation domains. The driver should know if it's true or not, as VM > > registers shouldn't be accessed if not pre

Re: [PATCH 2/4] iommu/exynos: Check if SysMMU v7 has VM registers

2022-07-03 Thread Krzysztof Kozlowski
On 02/07/2022 23:37, Sam Protsenko wrote: > SysMMU v7 can have Virtual Machine registers, which implement multiple > translation domains. The driver should know if it's true or not, as VM > registers shouldn't be accessed if not present. Read corresponding > capabilities register to obtain that inf