[U-Boot] [PATCH 1/3] i2c: add i2c_core and prepare for new multibus support

[Timur Tabi]

Mike Frysinger wrote:
> that's only needed if you expect the pointer to stay valid across calls.  i 
> don't think it does for most (all?) drivers.

True, but it's hard to know sometimes when it's needed.  I do it in my
code just to be sure.

Regardless, I still think the idea of a "current" i2c bus is flawed.

-- 
Timur Tabi
Linux kernel developer at Freescale