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

[Heiko Schocher <hs@denx.de>]

Hello Kim,

Kim Phillips wrote:
> On Wed, 25 Feb 2009 09:00:39 +0100
> Heiko Schocher <hs@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.

yes, sorry.

>>> 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.

Yep, I hope to get this running on beginning of march, and this approach,
hopefully, solves a lot of this problems.

bye
Heiko
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