[U-Boot] [PATCH 4/9 v3] 83xx, i2c: add mux support for fsl_i2c

[Kim Phillips]

On Wed, 25 Feb 2009 09:00:39 +0100
Heiko Schocher <hs at denx.de> wrote:

> > so instead of naming it "i2c_bus_num_mux" it should be renamed
> > "i2c_adapter_num"?, or does i2c_get_bus_num() still imply that it will
> 
> No, i2c_adapter_num should be 0 or 1 for Controller 0 or 1, I think,
> and i2c_bus_num_mux can be greater then 1.
> 
> If we would do a rename, we should rename "i2c_bus_num" to "i2c_adapter_num".
> In case, we don;t use i2c mux, i2c_bus_num = i2c_adapter_num.
> else i2c_bus_num >= i2c_adapter_num (=0 or 1)

sigh..that's not really that better either.

> > altogether?
> 
> We should rework this "i2c multibus" instead complete, so we can remove
> all this instances from i2c_get_bus_num()/i2c_set_bus_num() in every
> i2c driver ... such an attempt was in discussion, but unfortunately
> failed ... but I hope I can retrigger it.

ok - looking forward to it.

Thanks,

Kim