> > I've been doing my recent work with a P2040 and prior to that I did test > > out the recovery on a T2081 (which isn't documented to have this > > erratum) when I was re-working the driver. The "new" recovery actually > > seems better but I don't have a reliably faulty i2c device so that's > > only based on me writing some code to manually trigger the recovery > > (using the snippet below) and observing it with an oscilloscope. > > You don't need a faulty device, just an aborted I2C read/write op. If you can wire GPIOs to the bus, you can use the I2C fault injector: Documentation/i2c/gpio-fault-injection.rst There are already two "incomplete transfer" injectors.
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