Re: [PATCH v7] i2c: riic: Implement bus recovery

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Hi Wolfram

On Tue, Feb 18, 2025 at 9:07 PM Lad, Prabhakar
<prabhakar.csengg@xxxxxxxxx> wrote:
>
> Hi Wolfram,
>
> On Mon, Feb 3, 2025 at 2:35 PM Prabhakar <prabhakar.csengg@xxxxxxxxx> wrote:
> >
> > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> >
> > Implement bus recovery by reinitializing the hardware to reset the bus
> > state and generating 9 clock cycles (and a stop condition) to release
> > the SDA line.
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > Tested-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
> > Reviewed-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
> > ---
> > Resending this patch which was part of v6 [0] series.
> >
> > [0] https://lore.kernel.org/lkml/Z4ZCJYPgvS0Ke39g@shikoro/T/
> >
> > Hi Wolfram,
> >
> > Ive replied to your comments on v2 here [1] as to why the generic
> > recovery algorithm was not used.
> >
> > [1] https://lore.kernel.org/all/CA+V-a8s4-g9vxyfYMgnKMK=Oej9kDBwWsWehWLYTkxw-06w-2g@xxxxxxxxxxxxxx/
> >
> > Cheers,
> > Prabhakar
> >
> > v6->v7
> > - None
> >
> > v2->v6
> > - Included RB and TB from Claudiu.
> >
> > v1->v2
> > - Used single register read to check SDA/SCL lines
> > ---
> >  drivers/i2c/busses/i2c-riic.c | 100 ++++++++++++++++++++++++++++++----
> >  1 file changed, 90 insertions(+), 10 deletions(-)
> >
Gentle ping.

Cheers,
Prabhakar





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