tree fe74c7504043119b2f4f1ba67adf8d8ef224f220
parent 922a9f936e40001f9b921379aab90047d5990923
author Mark Brown <broonie@kernel.org> 1454360954 +0000
committer Mark Brown <broonie@kernel.org> 1454361098 +0000

regmap: Return an error if a caller attempts to do an unsupported raw read

regmaps without raw I/O access can't implement raw I/O operations,
return an error if someone tries to do that rather than crashing.

Signed-off-by: Mark Brown <broonie@kernel.org>