Re: [PATCH] iommu/ipmmu-vmsa: IMUCTRn.TTSEL needs a special usage on R-Car Gen3

[Joerg Roedel <joro@xxxxxxxxxx>]

On Mon, Jul 09, 2018 at 11:53:31AM +0900, Yoshihiro Shimoda wrote:
> The TTSEL bit of IMUCTRn register of R-Car Gen3 needs to be set
> unused MMU context number even if uTLBs are disabled
> (The MMUEN bit of IMUCTRn register = 0).
> Since initial values of IMUCTRn.TTSEL on all IPMMU-domains are 0,
> this patch adds a new feature "reserved_context" to reserve IPMMU
> context number 0 as the unused MMU context.
> 
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> ---
>  drivers/iommu/ipmmu-vmsa.c | 8 ++++++++
>  1 file changed, 8 insertions(+)

Applied, thanks.