[PATCH v1 1/4] drm/tiny/repaper: Make driver OF-independent

[Andy Shevchenko]

On Fri, Jan 24, 2020 at 05:42:33PM +0100, Sam Ravnborg wrote:
> On Wed, Jan 22, 2020 at 12:54:00PM +0200, Andy Shevchenko wrote:
> > There is one OF call in the driver that limits its area of use.
> > Replace it to generic device_get_match_data() and get rid of OF dependency.
> > 
> > While here, cast SPI driver data to certain enumerator type.

> >  enum repaper_model {
> > +	EXXXXCSXXX = 0,
> >  	E1144CS021 = 1,
> >  	E1190CS021,
> >  	E2200CS021,
> The new enum value is not used in the following - is it necessary?

Yes. It explicitly prevents to use 0 for real device.

This is due to device_get_match_data() returns content of data pointer and thus
we may not distinguish 0 from NULL pointer.

-- 
With Best Regards,
Andy Shevchenko