Re: [PATCH v2 05/22] ARM: dt: tegra30: iommu: Add "nvidia,memory-client"

[Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>]

On 07/29/2013 05:06 AM, Hiroshi Doyu wrote:
> Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org> wrote @ Wed, 17 Jul 2013 01:14:33 +0200:
> 
>> On 07/05/2013 04:44 AM, Hiroshi Doyu wrote:
>>> Add "nvidia,memory-client" to identify which swgroup ID a device
>>> belongs to.
>>
>> This property also isn't in the documentation.
>>
>> Again, if client devices are required to have this new property, the DT
>> isn't backwards-compatible; fail:-(
> 
> If there's no this property, just falling back to use the system
> default address space. I think that this won't break the
> compatibility basically. Only problem may be the inconsistency of
> setting this property among the HWs in the same group.

When you say "group" there, what kind of group? I thought that each HW
module had its own "SWGROUP ID", and hence there are no "HWs in the same
group"?