[PATCH 1/2] i2c-core: Add gpio based bus arbitration implementation

[Mark Brown]

On Wed, Dec 19, 2012 at 12:32:01PM +0000, Grant Likely wrote:

> I'm not convinced on the design of this protocol. It won't scale beyond
> 2 bus masters and it seems very specific to the design of a specific
> piece of hardware. I don't think it is mature enough to bake into the

I ought to point out that the original patch would've baked this into
the Samsung I2C driver but I asked for it to be split out as it's
nothing to do with the controller really and I'm sure I've seen it
before.
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