Re: [PATCH 1/2] i2c: recovery: add get_bus_free callback

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> > More importantly, isn't a ->get_bus_free implementation a sufficient requirement
> > for recovery? I.e. even if both ->get_sda and ->set_sda are missing?
> 
> In my case, it isn't. It needs set_sda (== STOP) to achieve a useful
> result. Hmm, I think this needs better documentation...

On a second thought, it may be possible to simply merge get_sda and
get_bus_free in the future. For now, I'd like to keep them seperate
until we have implemented bus recovery for some more hardware.

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