Re: [PATCH] i2c: ocores: set IACK bit after core is enabled

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On Mon, May 20, 2024 at 03:30:43PM +0200, grygorii tertychnyi wrote:
> On Sun, May 19, 2024 at 7:25 AM Markus Elfring <Markus.Elfring@xxxxxx> wrote:
> >
> > …
> > > Sometimes it causes failure for the very first message transfer, …
> >
> > Does such an information indicate the need for the tag “Fixes”?
> 
> I'm not sure: the original initialization order was introduced by the
> very first commit
> 18f98b1e3147 ("[PATCH] i2c: New bus driver for the OpenCores I2C controller").

https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html

  It fixes a problem like an oops, a hang, data corruption, a real
  security issue, a hardware quirk, a build error (but not for things
  marked CONFIG_BROKEN), or some “oh, that’s not good” issue.

Your description of the very first message transfer failing sounds
like a data corruption? Using the commit which adds the driver is also
fine, some bugs have been there all the time.

Remember to add a

Cc: stable@xxxxxxxxxxxxxxx

    Andrew




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