On Wed, Aug 26, 2020 at 11:09:18PM +0800, Tang Bin wrote:
> The function fsl_spdif_probe() is only called with an openfirmware
> platform device. Therefore there is no need to check that the passed
> in device is NULL.

Why is this an issue - the check will make things more robust if someone
manages to load the driver on a non-DT system and otherwise costs us a
couple of instructions?