[U-Boot] [PATCH 2/2] WIP: tegra: i2c: Enable new CONFIG_SYS_I2C framework

[Wolfgang Denk]

Dear Heiko,

In message <50A1E780.4090807 at denx.de> you wrote:
> 
> > Equally, I think this model can work very well for manually coded board
> > files; the board file can directly instantiate all top-level I2C
> > adapters, and pass information to the I2C driver for those adapters
> > indicating which I2C devices are attached to the buses. Then, if one of
> > those devices happens to be an I2C bus mux, it can instantiate further
> > I2C buses, which in turn instantiate more devices based on the
> > parameters passed to the I2C bus mux driver.
> 
> Yep, possible ... but another approach ...

Thanks for pointing this out.

Stephen, the old design principle [1] to initialize devices only when
they are needed within U-Boot itself still applies.  We do not want to
initialize everything we can, but only what we really need ourself.

Quote:
Perfection is reached, not when there is no longer anything  to  add,
but when there is no longer anything to take away.
                                           - Antoine de Saint-Exupery

[1] See bullet # 2 at
    http://www.denx.de/wiki/view/U-Boot/DesignPrinciples#2_Keep_it_Fast

Best regards,

Wolfgang Denk

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