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SubjectRe: Fwd: [Proposal] PM sleep children of inactive I2C bus segments off Masters in multi-master systems
On Wed, Oct 01, 2014 at 11:10:47PM +0200, Wolfram Sang wrote:
>
> > Maybe you can find an error code which with some level of confidence
> > reflects "lost mastership". Then you can implement whatever makes sense
> > for your use case in your user space application(s).
>
> We have a documented fault code for ArbitrationLost and that is -EAGAIN
> (see Documentation/i2c/fault-codes). If a driver does use something
> else, patches are very welcome.
>
> Other than that, I find this thread very confusing. Of course can
> another master modify the clients, this is what multi-master is all
> about, no?
>
That is the point I was trying to make in one of my earlier replies.

Guenter


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