Re: [PATCH 4/8] iommu/arm-smmu-v3: Add support for Substream IDs

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On 11/06/2019 11:19, Jonathan Cameron wrote:
>> +static int arm_smmu_alloc_cd_tables(struct arm_smmu_domain *smmu_domain,
>> +				    struct arm_smmu_master *master)
>> +{
>> +	struct arm_smmu_device *smmu = smmu_domain->smmu;
>> +	struct arm_smmu_s1_cfg *cfg = &smmu_domain->s1_cfg;
>>  
>> -	cfg->cdptr[0] = cpu_to_le64(val);
>> +	cfg->s1fmt = STRTAB_STE_0_S1FMT_LINEAR;
>> +	cfg->s1cdmax = master->ssid_bits;
>> +	return arm_smmu_alloc_cd_leaf_table(smmu, &cfg->table, 1 << cfg->s1cdmax);
>> +}
>>  
>> -	val = cfg->cd.ttbr & CTXDESC_CD_1_TTB0_MASK;
>> -	cfg->cdptr[1] = cpu_to_le64(val);
> 
> Hmm. Diff was having a field day in trying to make the patch as unreadable as possible..

Ugh, yes. This part is a bit more readable with --patience, but I'll
also try to split the patch as you suggest

Thanks,
Jean




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