tree 6620db38318f08e25eec92e9e56a628cbf86ac38
parent efb8b49196c0cb0723024182e04072abaec96cdf
author Stefan Agner <stefan@agner.ch> 1447894255 -0800
committer Stefan Agner <stefan@agner.ch> 1456445596 -0800

drm/fsl-dcu: remove regmap return value checks

It is not common to do regmap return value checks, especially not
for memory mapped device. We can rule out most error returns since
the conditions are static and we know they are ok (e.g. offset
aligned to register stride). Also without proper error handling
they are not really valuable for the user. Hence remove most of
them.

The check in the interrupt handler is worth keeping since a
volatile register won't be readable in case register caching is
still enabled.

Signed-off-by: Stefan Agner <stefan@agner.ch>