Re: [PATCH] iommu/arm-smmu-v3: Fix L1 stream table index calculation for AmpereOne

[Yang Shi]

On 10/1/24 2:02 PM, Jason Gunthorpe wrote:
> On Tue, Oct 01, 2024 at 01:47:24PM -0700, Yang Shi wrote:
> > diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
> > b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
> > index 1e9952ca989f..de9f14293485 100644
> > --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
> > +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
> > @@ -235,6 +235,11 @@ static inline u32 arm_smmu_strtab_l2_idx(u32 sid)
> >          return sid % STRTAB_NUM_L2_STES;
> >   }
> >
> > +static inline unsigned int arm_smmu_strtab_max_sid(unsigned int sid_bits)
> > +{
> Can we take the smmu struct here instead of the int?

No problem.

> But yes, this looks OK

Thank you.

> Jason