Hi.

On Tue, Dec 06, 2016 at 06:14:21PM -0600, Chris Bostic wrote:
> [...]
>
> Introduction of the IBM 'Flexible Support Interface' (FSI) bus device
> driver. FSI is a high fan out serial bus consisting of a clock and a serial
> data line capable of running at speeds up to 166 MHz.
> 
> [...]

I would expect, that this information is added to Documentation/
and there should be Documentation/ABI/<stable or testing>/sysfs-bus-fsi

P.S.: I'm not sure, why I'm Cc'd.

-- Sebastian