Hi Laurent,

On Wed, Jun 8, 2016 at 2:18 AM, Laurent Pinchart
<laurent.pinch...@ideasonboard.com> wrote:
>> --- 0031/drivers/iommu/ipmmu-vmsa.c
>> +++ work/drivers/iommu/ipmmu-vmsa.c   2016-06-06 11:19:40.210607110 +0900
>> @@ -1074,7 +1074,7 @@ static const struct ipmmu_features ipmmu
>>       .twobit_imttbcr_sl0 = false,
>>  };
>>
>> -static const struct ipmmu_features ipmmu_features_r8a7795 = {
>> +static const struct ipmmu_features ipmmu_features_rcar_gen3 = {
>>       .use_ns_alias_offset = false,
>>       .has_cache_leaf_nodes = true,
>>       .has_eight_ctx = true,
>> @@ -1088,7 +1088,10 @@ static const struct of_device_id ipmmu_o
>>               .data = &ipmmu_features_default,
>>       }, {
>>               .compatible = "renesas,ipmmu-r8a7795",
>> -             .data = &ipmmu_features_r8a7795,
>> +             .data = &ipmmu_features_rcar_gen3,
>> +     }, {
>> +             .compatible = "renesas,ipmmu-r8a7796",
>> +             .data = &ipmmu_features_rcar_gen3,
>>       }, {
>>               /* Terminator */
>>       },
>> @@ -1268,6 +1271,8 @@ IOMMU_OF_DECLARE(ipmmu_vmsa_iommu_of, "r
>>                ipmmu_vmsa_iommu_of_setup);
>>  IOMMU_OF_DECLARE(ipmmu_r8a7795_iommu_of, "renesas,ipmmu-r8a7795",
>>                ipmmu_vmsa_iommu_of_setup);
>> +IOMMU_OF_DECLARE(ipmmu_r8a7796_iommu_of, "renesas,ipmmu-r8a7796",
>> +              ipmmu_vmsa_iommu_of_setup);
>
> How about a Gen3 generic compatible string in addition to the SoC-specific
> ones ?

Do we want to specify the number of utlbs here?
Does it differ between r8a7795, r8a7796, and future members?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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