RE: [PATCH 0/2] Use demuxer for i2c1 and i2c5

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> Subject: Re: [PATCH 0/2] Use demuxer for i2c1 and i2c5
>
> On Mon, Jan 22, 2018 at 11:29:21AM +0000, Biju Das wrote:
> > We have observed that on iWave RZ/G1E boards, randomly HDMI slave
> > device is holding data line after a soft reboot.
> >
> > We applied demuxer patch for i2c1 and using an oscilloscope verified
> > that i2c recovery works on the failure condition.
>
> Do you really need the demuxer for that?

How do i2c-bus gets details of gpio lines associated with i2c bus for bus recovery?

For eg:- i2c1 scl line --> gpio0 11
                I2c1 sda line --> gpio0 12

> I posted and just merged bus recovery to the i2c-rcar driver. Did you test that?
> In theory, this should be enough.

On top of renesas-dev branch, I am using the below i2c-rcar driver related patches.

https://www.mail-archive.com/linux-renesas-soc@xxxxxxxxxxxxxxx/msg22278.html






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