Re: [PATCH 3/4] devicetree: bindings: Add defeature-repeated-start property for Cadence I2C

From: Wolfram Sang
Date: Tue Dec 02 2014 - 09:16:10 EST


> > What do you do when disable repeated start? Sending STOP and START? If
> > so, this is really something different than repeated start. By using
> > I2C_FUNC_I2C a user expects repeated start, so if the HW does not
> > support it, we should say so and don't try to emulate it with something
> > different.
>
> Yes, we send stop.

As said before, this is wrong. Another master could interfere between
the messages when using stop+start. This is no replacement for repeated
start.

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