Hi Dinh, > This is recovery of the master and not the slave. We have a customer that This is a different issue then. bus_recovery_info is only for stuck clients, as I mentioned before. Resetting the controller can be done anytime inside the driver by calling some reset routine. You don't need an I2C core framework for that. But when to do this reset, and how this relates to real bus recovery, that you need to deal with the designware maintainers. I don't know the HW at all. All the best, Wolfram
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