Hello, On Tue, Oct 17, 2017 at 12:56:24PM +0200, Juergen Fitschen wrote: > Currently I'm working on a driver adding I2C slave support to some Atmel / > Microchip MPUs. I already patched the i2c-at91.c and made the > i2c-slave-eeprom backend working on an ATSAMA5D27. But this is still in the > prototype status. My next steps are cleaning up the code and sharing the > patch with you for review and merge into Linux. <halfknowledge> Isn't the at91 i2c hardware broken or unreliable such that it's usually recommended to stick to i2c-gpio? If so maybe the same applies to client mode and someone should better extend i2c-gpio to handle the slave API? Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ |