Re: [PATCH repost] i2c: rcar: Fix order of restart and clear status

[Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>]

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On Wed, Aug 19, 2015 at 12:20:06AM +0900, Yoshihiro Kaneko wrote:
> From: Ryo Kataoka <ryo.kataoka.wt-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
> 
> In case of repeated START condition, the restart has to be kicked
> before clear status (MSR register). If it is kicked after clear status,
> R-Car I2C may transfer data (TXD register) or receive data (RXD register)
> instead of transferring slave address (MAR register).
> 
> Signed-off-by: Ryo Kataoka <ryo.kataoka.wt-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
> Signed-off-by: Yoshihiro Kaneko <ykaneko0929-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

I think I could reproduce the issue but changing the order of clearing
and kicking did not change anything for me. I have CCed you in my new
series regarding the i2c-rcar driver. That made the issue for me go
away. Can you kindly check, too?

Thanks,

   Wolfram


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