[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