Guenter Roeck said the following: > Hi all, > > I am trying to use the new GPIO based I2C multiplexer. Unfortunately, I > have an initialization problem with it. > > Some time after registering the multiplexer as platform driver, its > probe function is called. Unfortunately, that does not happen in sync > with I2C adapter initialization. The GPIO mux probe function is called > before the parent's (ie the multiplexed I2C adapter) probe function is > called. As a result, the GPIO mux driver does not find its parent i2c > adapter, and the probe function aborts with an error. > > Any idea how I I can fix the problem, ie how I can ensure that the GPIO > mux probe function is only called after its parent I2C adapter is > initialized ? > Well, I assume your GPIO-Mux is registered as an GPIO device? Can't you add it as an I2C-device? This way the right sequence should be kept. HTH -- Michael -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
