Re: [PATCH v2] i2c: omap: Fix standard mode false ACK readings

Tony Lindgren
2023-04-28T07:46:06Z

* Raghavendra, Vignesh <vigneshr@ti.com> [230427 13:18]:
> On 4/27/2023 1:19 AM, Reid Tonking wrote:
> > Using standard mode, rare false ACK responses were appearing with
> > i2cdetect tool. This was happening due to NACK interrupt triggering
> > ISR thread before register access interrupt was ready. Removing the
> > NACK interrupt's ability to trigger ISR thread lets register access
> > ready interrupt do this instead.

So is it safe to leave NACK interrupt unhandled until we get the next
interrupt, does the ARDY always trigger after hitting this?

Regards,

Tony