Re: [PATCH V3 0/5] firmware: Add support for TI System Control Interface (TI-SCI) protocol driver

Tero Kristo
2016-09-08T18:20:30Z

On 08/09/16 20:31, Kevin Hilman wrote:
> Nishanth Menon <nm@ti.com> writes:
>
>> On 09/07/2016 01:55 PM, Kevin Hilman wrote:
>>> Nishanth Menon <nm@ti.com> writes:
>>
>> [...] full mail thread in https://lkml.org/lkml/2016/9/6/747
>>
>>>> Overall architecture is very similar to SCPI[4] as follows:
>>>
>>> Dumb Q: I'm curious about the limitations in SCPI that were found that
>>> made TI decided to implement its own version.
>
> [...]
>
>> Long story short, investigation was done into what SCPI was providing
>> (TI internal ofcourse) and SCPI did not fit our SoC generation needs -
>
> Thanks for the detailed explanation. Very helpful.
>
> To be clear, I'm not a proponent of always using ARM "standards"
> (especially when it's not exactly clear if it's a standard or a Juno
> thing) but I'm seeing several SoCs come out with SCPI derivatives, or
> old ARM versions etc., so was just curious about the decision making
> process.
>
> Thanks for sharing,
>
> Kevin

So, any other comments for this series or shall we still try to get it
merged for 4.9? We are -rc5 so it might be too late already and probably
better to push this for 4.10.

-Tero