libi2c: Claiming driver slot failed

[Chris Johns]

Nick Withers wrote:
>
> It seems to me like there's an inversion of the App ->  BSP ->  RTEMS
> abstraction going on here, where the app effectively needs to know
> "black-box" details of the BSP, making maintenence and portability more
> difficult and error prone than needs be...?
>

I would like to see the drivers and the device table become unlimited 
just like the other unlimited resources in the kernel. The value becomes 
an allocation unit.

Chris