[PATCH v2 1/3] i2c: cadence: Handle > 252 byte transfers

[Wolfram Sang]

> +		/*
> +		 * If the device is sending data If there is further
> +		 * data to be sent. Calculate the available space
> +		 * in FIFO and fill the FIFO with that many bytes.
> +		 */

This comment looks broken. In general, I think there should be more
comments explaining why things have to be done this way.

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