[PATCH v5 19/39] mtd: rawnand: add support for ts72xx

[Miquel Raynal]

Hi Andy,

> > +	int ret;
> > +
> > +	ret = mtd_device_unregister(nand_to_mtd(chip));
> > +	WARN_ON(ret);  
> 
> Is this a requirement by MTD to have return value being checked?

Yes, for now this is the preferred way, with the hope some day to turn
the return value into void.

Thanks,
Miquèl